From a6d452c20b861b8fb3400d96726f0ffc8f536ca3 Mon Sep 17 00:00:00 2001
From: Daniel Grams <grams.daniel@gmail.com>
Date: Tue, 28 Mar 2023 22:50:07 +0200
Subject: [PATCH 1/2] Add newsletter functionality #391

---
 .flake8                                       |   2 +-
 .github/workflows/test.yml                    |  14 ++
 messages.pot                                  | 212 +++++++++++-------
 migrations/versions/47c334ba5b86_.py          |  31 +++
 project/base_tasks.py                         |   4 +-
 project/forms/admin.py                        |  17 +-
 project/forms/user.py                         |  13 ++
 project/models.py                             |   8 +
 project/templates/_macros.html                |   2 +
 project/templates/admin/admin.html            |   4 +
 project/templates/admin/email.html            |   4 +-
 project/templates/admin/newsletter.html       | 123 ++++++++++
 project/templates/email/newsletter.html       |   9 +
 project/templates/email/newsletter.txt        |   3 +
 project/templates/profile.html                |   4 +
 project/templates/user/notifications.html     |  16 ++
 .../translations/de/LC_MESSAGES/messages.mo   | Bin 35508 -> 36153 bytes
 .../translations/de/LC_MESSAGES/messages.po   | 204 ++++++++++-------
 .../translations/en/LC_MESSAGES/messages.mo   | Bin 3565 -> 3565 bytes
 .../translations/en/LC_MESSAGES/messages.po   | 212 +++++++++++-------
 project/views/admin.py                        |  47 ++++
 project/views/user.py                         |  32 ++-
 tests/conftest.py                             |   1 +
 tests/views/test_admin.py                     |  22 ++
 tests/views/test_user.py                      |  23 ++
 25 files changed, 754 insertions(+), 253 deletions(-)
 create mode 100644 migrations/versions/47c334ba5b86_.py
 create mode 100644 project/forms/user.py
 create mode 100644 project/templates/admin/newsletter.html
 create mode 100644 project/templates/email/newsletter.html
 create mode 100644 project/templates/email/newsletter.txt
 create mode 100644 project/templates/user/notifications.html

diff --git a/.flake8 b/.flake8
index 7663589..e44c8df 100644
--- a/.flake8
+++ b/.flake8
@@ -1,5 +1,5 @@
 [flake8]
-extend-ignore = E501, E203
+extend-ignore = E501, E203, E711
 exclude =
     .git,
     .github,
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1db9fdf..e8f251d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,6 +35,19 @@ jobs:
           # Maps tcp port 5432 on service container to the host
           - 5432:5432
 
+      redis:
+          # Docker Hub image
+          image: redis
+          # Set health checks to wait until redis has started
+          options: >-
+            --health-cmd "redis-cli ping"
+            --health-interval 10s
+            --health-timeout 5s
+            --health-retries 5
+          ports:
+            # Maps port 6379 on service container to the host
+            - 6379:6379
+
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2
@@ -53,6 +66,7 @@ jobs:
         run: pytest --cov=project --splits 4 --group ${{ matrix.group }}
         env:
           TEST_DATABASE_URL: postgresql://postgres:postgres@localhost/eventcally_tests
+          TEST_REDIS_URL: redis://redis:6379
 
       - name: Upload coverage
         uses: actions/upload-artifact@v2
diff --git a/messages.pot b/messages.pot
index 3306229..0240f75 100644
--- a/messages.pot
+++ b/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-03-24 21:24+0100\n"
+"POT-Creation-Date: 2023-03-28 17:04+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -208,7 +208,7 @@ msgstr ""
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1395
+#: project/forms/admin.py:13 project/templates/_macros.html:1397
 #: project/templates/layout.html:302
 #: project/templates/widget/event_suggestion/create.html:204
 #: project/views/admin_unit.py:73 project/views/root.py:69
@@ -225,6 +225,7 @@ msgid "Start page"
 msgstr ""
 
 #: project/forms/admin.py:17 project/forms/oauth2_client.py:24
+#: project/forms/user.py:13
 msgid "Save"
 msgstr ""
 
@@ -285,7 +286,7 @@ msgstr ""
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin.py:63
+#: project/forms/admin.py:63 project/forms/admin.py:70
 msgid "Recipient"
 msgstr ""
 
@@ -293,6 +294,22 @@ msgstr ""
 msgid "Send test mail synchronously"
 msgstr ""
 
+#: project/forms/admin.py:72 project/forms/admin.py:78
+msgid "Test recipient"
+msgstr ""
+
+#: project/forms/admin.py:73
+msgid "All users with enabled newsletter setting"
+msgstr ""
+
+#: project/forms/admin.py:79
+msgid "Message"
+msgstr ""
+
+#: project/forms/admin.py:80
+msgid "Send newsletter"
+msgstr ""
+
 #: project/forms/admin_unit.py:15 project/forms/event_place.py:12
 #: project/forms/organizer.py:12
 msgid "Street"
@@ -342,7 +359,7 @@ msgstr ""
 msgid "The short name is used to create a unique identifier for your events"
 msgstr ""
 
-#: project/forms/admin_unit.py:41 project/templates/_macros.html:1531
+#: project/forms/admin_unit.py:41 project/templates/_macros.html:1533
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
@@ -355,20 +372,21 @@ msgstr ""
 #: project/forms/admin_unit.py:48 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:107 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:235
-#: project/templates/_macros.html:1491 project/templates/admin/admin.html:27
+#: project/forms/organizer.py:27 project/templates/_macros.html:237
+#: project/templates/_macros.html:1493 project/templates/admin/admin.html:27
+#: project/templates/admin/email.html:4 project/templates/admin/email.html:66
 #: project/templates/admin/users.html:19
 msgid "Email"
 msgstr ""
 
 #: project/forms/admin_unit.py:49 project/forms/event.py:108
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:288
+#: project/templates/_macros.html:290
 msgid "Phone"
 msgstr ""
 
 #: project/forms/admin_unit.py:50 project/forms/event.py:109
-#: project/forms/organizer.py:29 project/templates/_macros.html:296
+#: project/forms/organizer.py:29 project/templates/_macros.html:298
 msgid "Fax"
 msgstr ""
 
@@ -566,16 +584,16 @@ msgstr ""
 msgid "All-day"
 msgstr ""
 
-#: project/forms/event.py:54 project/templates/_macros.html:1711
+#: project/forms/event.py:54 project/templates/_macros.html:1713
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr ""
 
-#: project/forms/event.py:61 project/templates/_macros.html:1252
+#: project/forms/event.py:61 project/templates/_macros.html:1254
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:67 project/templates/_macros.html:1269
+#: project/forms/event.py:67 project/templates/_macros.html:1271
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
@@ -609,7 +627,7 @@ msgstr ""
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:136 project/templates/_macros.html:217
+#: project/forms/event.py:136 project/templates/_macros.html:219
 msgid "Tags"
 msgstr ""
 
@@ -659,7 +677,7 @@ msgstr ""
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:170 project/templates/_macros.html:249
+#: project/forms/event.py:170 project/templates/_macros.html:251
 #: project/templates/layout.html:110
 msgid "Booked up"
 msgstr ""
@@ -739,8 +757,8 @@ msgid ""
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:242 project/templates/_macros.html:396
-#: project/templates/_macros.html:559
+#: project/forms/event.py:242 project/templates/_macros.html:398
+#: project/templates/_macros.html:561
 msgid "Previous start date"
 msgstr ""
 
@@ -786,7 +804,7 @@ msgstr ""
 
 #: project/forms/event.py:286 project/forms/event.py:295
 #: project/forms/event.py:368 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:436 project/templates/_macros.html:599
+#: project/templates/_macros.html:438 project/templates/_macros.html:601
 #: project/templates/event/create.html:284
 #: project/templates/event/update.html:166
 #: project/templates/event_place/create.html:31
@@ -805,8 +823,8 @@ msgstr ""
 
 #: project/forms/event.py:302 project/forms/event.py:311
 #: project/forms/event.py:376 project/forms/event.py:439
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:473
-#: project/templates/_macros.html:636 project/templates/event/create.html:253
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:475
+#: project/templates/_macros.html:638 project/templates/event/create.html:253
 #: project/templates/event/update.html:156
 #: project/templates/organizer/create.html:27
 #: project/templates/organizer/delete.html:13
@@ -891,7 +909,7 @@ msgstr ""
 msgid "PublicStatus.published"
 msgstr ""
 
-#: project/forms/event.py:402 project/templates/_macros.html:255
+#: project/forms/event.py:402 project/templates/_macros.html:257
 msgid "PublicStatus.draft"
 msgstr ""
 
@@ -904,7 +922,7 @@ msgstr ""
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:423 project/templates/_macros.html:1224
+#: project/forms/event.py:423 project/templates/_macros.html:1226
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -925,7 +943,7 @@ msgid "Keyword"
 msgstr ""
 
 #: project/forms/event.py:436 project/forms/event_date.py:21
-#: project/forms/planing.py:19 project/templates/_macros.html:369
+#: project/forms/planing.py:19 project/templates/_macros.html:371
 msgid "Category"
 msgstr ""
 
@@ -934,7 +952,7 @@ msgid "Find events"
 msgstr ""
 
 #: project/forms/event_date.py:24 project/forms/planing.py:22
-#: project/templates/_macros.html:303
+#: project/templates/_macros.html:305
 #: project/templates/admin_unit/create.html:38
 #: project/templates/admin_unit/update.html:39
 #: project/templates/event_place/create.html:40
@@ -1077,7 +1095,7 @@ msgid "Weekdays"
 msgstr ""
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:16
-#: project/templates/_macros.html:489 project/templates/_macros.html:652
+#: project/templates/_macros.html:491 project/templates/_macros.html:654
 #: project/templates/admin_unit/create.html:28
 #: project/templates/admin_unit/update.html:29
 #: project/templates/layout.html:242
@@ -1105,7 +1123,7 @@ msgstr ""
 msgid "Delete request"
 msgstr ""
 
-#: project/forms/reference_request.py:28 project/templates/_macros.html:1407
+#: project/forms/reference_request.py:28 project/templates/_macros.html:1409
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -1163,43 +1181,53 @@ msgstr ""
 msgid "Deny"
 msgstr ""
 
+#: project/forms/user.py:9 project/templates/admin/admin.html:31
+#: project/templates/admin/newsletter.html:4
+#: project/templates/admin/newsletter.html:93
+msgid "Newsletter"
+msgstr ""
+
+#: project/forms/user.py:10
+msgid "Information about new features and improvements."
+msgstr ""
+
 #: project/forms/widgets.py:154
 msgid "This field is required."
 msgstr ""
 
-#: project/templates/_macros.html:147
+#: project/templates/_macros.html:149
 msgid "Show on Google Maps"
 msgstr ""
 
-#: project/templates/_macros.html:226
+#: project/templates/_macros.html:228
 msgid "Link"
 msgstr ""
 
-#: project/templates/_macros.html:282
+#: project/templates/_macros.html:284
 msgid "Verified"
 msgstr ""
 
-#: project/templates/_macros.html:346
-#, python-format
-msgid "Created at %(created_at)s by %(created_by)s."
-msgstr ""
-
 #: project/templates/_macros.html:348
 #, python-format
-msgid "Created at %(created_at)s."
+msgid "Created at %(created_at)s by %(created_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:353
+#: project/templates/_macros.html:350
 #, python-format
-msgid "Last updated at %(updated_at)s by %(updated_by)s."
+msgid "Created at %(created_at)s."
 msgstr ""
 
 #: project/templates/_macros.html:355
 #, python-format
+msgid "Last updated at %(updated_at)s by %(updated_by)s."
+msgstr ""
+
+#: project/templates/_macros.html:357
+#, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:385 project/templates/_macros.html:555
+#: project/templates/_macros.html:387 project/templates/_macros.html:557
 #: project/templates/event/actions.html:25
 #: project/templates/event/create.html:230
 #: project/templates/event/update.html:122
@@ -1207,63 +1235,63 @@ msgstr ""
 msgid "Event"
 msgstr ""
 
-#: project/templates/_macros.html:391 project/templates/_macros.html:920
+#: project/templates/_macros.html:393 project/templates/_macros.html:922
 msgid "Date"
 msgstr ""
 
-#: project/templates/_macros.html:418 project/templates/_macros.html:577
-#: project/templates/_macros.html:1476 project/templates/event/actions.html:51
+#: project/templates/_macros.html:420 project/templates/_macros.html:579
+#: project/templates/_macros.html:1478 project/templates/event/actions.html:51
 msgid "Share"
 msgstr ""
 
-#: project/templates/_macros.html:422 project/templates/_macros.html:581
-#: project/templates/_macros.html:1506
+#: project/templates/_macros.html:424 project/templates/_macros.html:583
+#: project/templates/_macros.html:1508
 msgid "Add to calendar"
 msgstr ""
 
-#: project/templates/_macros.html:430 project/templates/_macros.html:592
+#: project/templates/_macros.html:432 project/templates/_macros.html:594
 #: project/templates/event/report.html:4
 msgid "Report event"
 msgstr ""
 
-#: project/templates/_macros.html:457 project/templates/_macros.html:618
+#: project/templates/_macros.html:459 project/templates/_macros.html:620
 msgid "Show directions"
 msgstr ""
 
-#: project/templates/_macros.html:462 project/templates/_macros.html:623
+#: project/templates/_macros.html:464 project/templates/_macros.html:625
 msgid "The event takes place online."
 msgstr ""
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:625
+#: project/templates/_macros.html:466 project/templates/_macros.html:627
 msgid "The event takes place both offline and online."
 msgstr ""
 
-#: project/templates/_macros.html:585 project/templates/layout.html:168
+#: project/templates/_macros.html:587 project/templates/layout.html:168
 #: project/templates/user/favorite_events.html:4
 msgid "Favorite events"
 msgstr ""
 
-#: project/templates/_macros.html:679 project/templates/event_date/list.html:5
+#: project/templates/_macros.html:681 project/templates/event_date/list.html:5
 #: project/templates/event_date/list.html:299
 #: project/templates/reference_request/review.html:32
 msgid "Event Dates"
 msgstr ""
 
-#: project/templates/_macros.html:771
+#: project/templates/_macros.html:773
 msgid "Search location on Google"
 msgstr ""
 
-#: project/templates/_macros.html:837
+#: project/templates/_macros.html:839
 #, python-format
 msgid "%(count)d event dates"
 msgstr ""
 
-#: project/templates/_macros.html:860 project/templates/_macros.html:862
+#: project/templates/_macros.html:862 project/templates/_macros.html:864
 #: project/templates/event_date/list.html:321
 msgid "First"
 msgstr ""
 
-#: project/templates/_macros.html:865 project/templates/_macros.html:867
+#: project/templates/_macros.html:867 project/templates/_macros.html:869
 #: project/templates/event_date/list.html:322
 #: project/templates/widget/event_suggestion/create.html:193
 #: project/templates/widget/event_suggestion/create.html:218
@@ -1274,12 +1302,12 @@ msgstr ""
 msgid "Previous"
 msgstr ""
 
-#: project/templates/_macros.html:869
+#: project/templates/_macros.html:871
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr ""
 
-#: project/templates/_macros.html:871 project/templates/_macros.html:873
+#: project/templates/_macros.html:873 project/templates/_macros.html:875
 #: project/templates/event_date/list.html:324
 #: project/templates/widget/event_suggestion/create.html:194
 #: project/templates/widget/event_suggestion/create.html:219
@@ -1289,88 +1317,88 @@ msgstr ""
 msgid "Next"
 msgstr ""
 
-#: project/templates/_macros.html:876 project/templates/_macros.html:878
+#: project/templates/_macros.html:878 project/templates/_macros.html:880
 #: project/templates/event_date/list.html:325
 msgid "Last"
 msgstr ""
 
-#: project/templates/_macros.html:943
+#: project/templates/_macros.html:945
 msgid "Radius"
 msgstr ""
 
-#: project/templates/_macros.html:1153
+#: project/templates/_macros.html:1155
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1174
+#: project/templates/_macros.html:1176
 msgid "Close"
 msgstr ""
 
-#: project/templates/_macros.html:1175
+#: project/templates/_macros.html:1177
 msgid "Okay"
 msgstr ""
 
-#: project/templates/_macros.html:1187
+#: project/templates/_macros.html:1189
 msgid "Choose image file"
 msgstr ""
 
-#: project/templates/_macros.html:1223 project/templates/event/actions.html:65
+#: project/templates/_macros.html:1225 project/templates/event/actions.html:65
 #: project/templates/event/delete.html:12
 msgid "Edit event"
 msgstr ""
 
-#: project/templates/_macros.html:1226 project/templates/manage/events.html:66
+#: project/templates/_macros.html:1228 project/templates/manage/events.html:66
 msgid "More"
 msgstr ""
 
-#: project/templates/_macros.html:1273
+#: project/templates/_macros.html:1275
 msgid "Please enter a valid time, between 00:00 and 23:59."
 msgstr ""
 
-#: project/templates/_macros.html:1301
+#: project/templates/_macros.html:1303
 #, python-format
 msgid "Just use %(term)s"
 msgstr ""
 
-#: project/templates/_macros.html:1367
+#: project/templates/_macros.html:1369
 msgid "Event suggestion"
 msgstr ""
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Link copied"
 msgstr ""
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Copy link"
 msgstr ""
 
-#: project/templates/_macros.html:1514
+#: project/templates/_macros.html:1516
 msgid "Google calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1515
+#: project/templates/_macros.html:1517
 msgid "Apple calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1516
+#: project/templates/_macros.html:1518
 msgid "Yahoo calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1517
+#: project/templates/_macros.html:1519
 msgid "Other calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1712
+#: project/templates/_macros.html:1714
 msgid "Remove event date"
 msgstr ""
 
-#: project/templates/_macros.html:1741 project/templates/event/create.html:176
+#: project/templates/_macros.html:1743 project/templates/event/create.html:176
 #: project/templates/event/update.html:99
 #: project/templates/widget/event_suggestion/create.html:129
 msgid "Enter organizer"
 msgstr ""
 
-#: project/templates/_macros.html:1765
+#: project/templates/_macros.html:1767
 msgid "Enter list name"
 msgstr ""
 
@@ -1414,6 +1442,7 @@ msgstr ""
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
+#: project/templates/admin/newsletter.html:92
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:171
 msgid "Admin"
@@ -1501,8 +1530,7 @@ msgstr ""
 msgid "Organization invitations"
 msgstr ""
 
-#: project/templates/admin/admin.html:15 project/templates/admin/email.html:4
-#: project/templates/admin/email.html:66
+#: project/templates/admin/admin.html:15
 #: project/templates/admin/settings.html:4
 #: project/templates/admin/settings.html:11
 #: project/templates/admin_unit/update.html:6
@@ -1528,18 +1556,24 @@ msgid "Switch organization"
 msgstr ""
 
 #: project/templates/developer/read.html:4 project/templates/layout.html:310
-#: project/templates/profile.html:29
+#: project/templates/profile.html:33
 msgid "Developer"
 msgstr ""
 
 #: project/templates/profile.html:23
+#: project/templates/user/notifications.html:4
+#: project/templates/user/notifications.html:8
+msgid "Notifications"
+msgstr ""
+
+#: project/templates/profile.html:27
 msgid "Applications"
 msgstr ""
 
 #: project/templates/oauth2_client/list.html:4
 #: project/templates/oauth2_client/list.html:11
 #: project/templates/oauth2_client/read.html:11
-#: project/templates/profile.html:33
+#: project/templates/profile.html:37
 msgid "OAuth2 clients"
 msgstr ""
 
@@ -1560,7 +1594,7 @@ msgstr ""
 msgid "Edit"
 msgstr ""
 
-#: project/templates/admin/email.html:47 project/views/admin.py:119
+#: project/templates/admin/email.html:47 project/views/admin.py:122
 msgid "Mail sent successfully"
 msgstr ""
 
@@ -1572,6 +1606,10 @@ msgstr ""
 msgid "Send test mail asynchronously"
 msgstr ""
 
+#: project/templates/admin/newsletter.html:59
+msgid "Mails sent successfully"
+msgstr ""
+
 #: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:59
 #: project/templates/event/create.html:347
@@ -1626,6 +1664,10 @@ msgstr ""
 msgid "this is a message from %(site_name)s."
 msgstr ""
 
+#: project/templates/email/newsletter.html:7
+msgid "Notification settings"
+msgstr ""
+
 #: project/templates/email/organization_invitation_accepted_notice.html:4
 #, python-format
 msgid ""
@@ -2035,20 +2077,26 @@ msgstr ""
 msgid "Preview"
 msgstr ""
 
-#: project/views/admin.py:55
+#: project/views/admin.py:58
 msgid "Organization successfully updated"
 msgstr ""
 
-#: project/views/admin.py:79 project/views/manage.py:361
+#: project/views/admin.py:82 project/views/manage.py:361
+#: project/views/user.py:27
 msgid "Settings successfully updated"
 msgstr ""
 
-#: project/views/admin.py:108
+#: project/views/admin.py:111
 #, python-format
 msgid "Test mail from %(site_name)s"
 msgstr ""
 
-#: project/views/admin.py:152
+#: project/views/admin.py:150
+#, python-format
+msgid "Newsletter from %(site_name)s"
+msgstr ""
+
+#: project/views/admin.py:200
 msgid "User successfully updated"
 msgstr ""
 
diff --git a/migrations/versions/47c334ba5b86_.py b/migrations/versions/47c334ba5b86_.py
new file mode 100644
index 0000000..db18259
--- /dev/null
+++ b/migrations/versions/47c334ba5b86_.py
@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: 47c334ba5b86
+Revises: 3f77c8693ae3
+Create Date: 2023-03-26 23:03:44.678745
+
+"""
+import sqlalchemy as sa
+import sqlalchemy_utils
+from alembic import op
+
+from project import dbtypes
+
+# revision identifiers, used by Alembic.
+revision = "47c334ba5b86"
+down_revision = "3f77c8693ae3"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column(
+        "user",
+        sa.Column(
+            "newsletter_enabled", sa.Boolean(), server_default="1", nullable=False
+        ),
+    )
+
+
+def downgrade():
+    op.drop_column("user", "newsletter_enabled")
diff --git a/project/base_tasks.py b/project/base_tasks.py
index 0280a39..cbdf04c 100644
--- a/project/base_tasks.py
+++ b/project/base_tasks.py
@@ -7,6 +7,6 @@ from project.views.utils import send_mail
     base=getattr(app, "celery_http_task_cls"),
     priority=0,
 )
-def send_mail_task(recipient, subject, template):
+def send_mail_task(recipient, subject, template, **context):
     with force_locale():
-        send_mail(recipient, subject, template)
+        send_mail(recipient, subject, template, **context)
diff --git a/project/forms/admin.py b/project/forms/admin.py
index e7251f3..2899fa8 100644
--- a/project/forms/admin.py
+++ b/project/forms/admin.py
@@ -1,6 +1,6 @@
 from flask_babelex import lazy_gettext
 from flask_wtf import FlaskForm
-from wtforms import BooleanField, SubmitField, TextAreaField
+from wtforms import BooleanField, RadioField, SubmitField, TextAreaField
 from wtforms.fields.html5 import EmailField
 from wtforms.validators import DataRequired, Optional
 
@@ -63,3 +63,18 @@ class AdminTestEmailForm(FlaskForm):
     recipient = EmailField(lazy_gettext("Recipient"), validators=[DataRequired()])
 
     submit = SubmitField(lazy_gettext("Send test mail synchronously"))
+
+
+class AdminNewsletterForm(FlaskForm):
+    recipient_choice = RadioField(
+        lazy_gettext("Recipient"),
+        choices=[
+            (1, lazy_gettext("Test recipient")),
+            (2, lazy_gettext("All users with enabled newsletter setting")),
+        ],
+        default=1,
+        coerce=int,
+    )
+    test_recipient = EmailField(lazy_gettext("Test recipient"), validators=[Optional()])
+    message = TextAreaField(lazy_gettext("Message"), validators=[DataRequired()])
+    submit = SubmitField(lazy_gettext("Send newsletter"))
diff --git a/project/forms/user.py b/project/forms/user.py
new file mode 100644
index 0000000..cd56c5b
--- /dev/null
+++ b/project/forms/user.py
@@ -0,0 +1,13 @@
+from flask_babelex import lazy_gettext
+from flask_wtf import FlaskForm
+from wtforms import BooleanField, SubmitField
+from wtforms.validators import Optional
+
+
+class NotificationForm(FlaskForm):
+    newsletter_enabled = BooleanField(
+        lazy_gettext("Newsletter"),
+        description=lazy_gettext("Information about new features and improvements."),
+        validators=[Optional()],
+    )
+    submit = SubmitField(lazy_gettext("Save"))
diff --git a/project/models.py b/project/models.py
index c361b2e..0d19a43 100644
--- a/project/models.py
+++ b/project/models.py
@@ -199,6 +199,14 @@ class User(db.Model, UserMixin):
         secondary="user_favoriteevents",
         backref=backref("favored_by_users", lazy=True),
     )
+    newsletter_enabled = deferred(
+        Column(
+            Boolean(),
+            nullable=True,
+            default=True,
+            server_default="1",
+        )
+    )
 
     def get_user_id(self):
         return self.id
diff --git a/project/templates/_macros.html b/project/templates/_macros.html
index d535743..8b3140c 100644
--- a/project/templates/_macros.html
+++ b/project/templates/_macros.html
@@ -70,6 +70,8 @@
                   </label>
               {% endfor %}
             </div>
+          {% elif 'ri' in kwargs and kwargs['ri'] == 'radio' %}
+            {{ render_radio_buttons(field) }}
           {% else %}
             {% if 'class' in kwargs %}
               {% set _dummy=kwargs.pop('class') %}
diff --git a/project/templates/admin/admin.html b/project/templates/admin/admin.html
index 024b0e1..adff26d 100644
--- a/project/templates/admin/admin.html
+++ b/project/templates/admin/admin.html
@@ -27,6 +27,10 @@
         {{ _('Email') }}
         <i class="fa fa-caret-right"></i>
     </a>
+    <a href="{{ url_for('admin_newsletter') }}" class="list-group-item">
+        {{ _('Newsletter') }}
+        <i class="fa fa-caret-right"></i>
+    </a>
 </div>
 
 {% endblock %}
\ No newline at end of file
diff --git a/project/templates/admin/email.html b/project/templates/admin/email.html
index 88ad55c..3b3297c 100644
--- a/project/templates/admin/email.html
+++ b/project/templates/admin/email.html
@@ -1,7 +1,7 @@
 {% extends "layout.html" %}
 {% from "_macros.html" import render_field, render_field_with_errors %}
 {%- block title -%}
-{{ _('Settings') }}
+{{ _('Email') }}
 {%- endblock -%}
 {% block header %}
 <script>
@@ -63,7 +63,7 @@
 <nav aria-label="breadcrumb">
     <ol class="breadcrumb">
         <li class="breadcrumb-item"><a href="{{ url_for('admin') }}">{{ _('Admin') }}</a></li>
-        <li class="breadcrumb-item active" aria-current="page">{{ _('Settings') }}</li>
+        <li class="breadcrumb-item active" aria-current="page">{{ _('Email') }}</li>
     </ol>
 </nav>
 
diff --git a/project/templates/admin/newsletter.html b/project/templates/admin/newsletter.html
new file mode 100644
index 0000000..e5cec95
--- /dev/null
+++ b/project/templates/admin/newsletter.html
@@ -0,0 +1,123 @@
+{% extends "layout.html" %}
+{% from "_macros.html" import render_field, render_field_with_errors, render_radio_buttons %}
+{%- block title -%}
+{{ _('Newsletter') }}
+{%- endblock -%}
+{% block header %}
+<script>
+    function update_progress_bar(completed, count, progressbar_id='#progressbar') {
+        var progress = count > 0 ? Math.round((completed/count)*100) : 0;
+        console.log('' + progress + '%');
+        var progressbar = $(progressbar_id);
+        progressbar.css('width', '' + progress + '%');
+        progressbar.attr("ariaValueNow", progress);
+        progressbar.html("" + progress + '%');
+    }
+
+    function submit_async() {
+        update_progress_bar(0, 0);
+        handle_request_start();
+        $.ajax({
+            url: "{{ url_for('admin_newsletter', async=1) }}",
+            type: "post",
+            dataType: "json",
+            data: $("#newsletter_form").serialize(),
+            error: function(xhr, status, error) {
+                handle_request_error(xhr, status, error);
+            },
+            success: function (data) {
+                poll(data["result_id"]);
+            }
+        });
+    }
+
+    function poll(result_id) {
+        $.ajax({
+            url: "{{ url_for('admin_newsletter') }}",
+            type: "get",
+            dataType: "json",
+            data: "poll=" + result_id,
+            error: function(xhr, status, error) {
+                handle_request_error(xhr, status, error);
+            },
+            success: function (data) {
+                update_progress_bar(data["completed"], data["count"]);
+
+                if (!data["ready"]) {
+                    setTimeout(function() {
+                        poll(result_id);
+                    }, 500);
+                    return;
+                }
+
+                if (!data["successful"]) {
+                  console.error(data);
+                  handle_request_error(null, JSON.stringify(data), data);
+                  return;
+                }
+
+                $("#success_message").text("{{ _('Mails sent successfully') }} (" + data["completed"] + ")");
+                handle_request_success();
+            }
+        });
+    }
+
+    $( function() {
+        $("#newsletter_form").submit(function(e){
+            e.stopPropagation();
+            submit_async();
+            return false;
+        });
+
+        $('label[for=test_recipient]').append(' *');
+        $('input[name=recipient_choice]').on('change', function() {
+            switch ($(this).val()) {
+                case '1':
+                    $('#test_recipient').attr("required", true);
+                    $('#test_recipient_container').show();
+                    break;
+                case '2':
+                    $('#test_recipient').attr("required", false);
+                    $('#test_recipient_container').hide();
+                    break;
+            }
+        });
+    });
+</script>
+{% endblock %}
+{% block content %}
+
+<nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+        <li class="breadcrumb-item"><a href="{{ url_for('admin') }}">{{ _('Admin') }}</a></li>
+        <li class="breadcrumb-item active" aria-current="page">{{ _('Newsletter') }}</li>
+    </ol>
+</nav>
+
+<form id="newsletter_form" action="" method="POST">
+    {{ form.hidden_tag() }}
+    <div class="my-4">
+        {{ render_field_with_errors(form.recipient_choice, ri='radio') }}
+    </div>
+    <div id="test_recipient_container">
+        {{ render_field_with_errors(form.test_recipient) }}
+    </div>
+    {{ render_field_with_errors(form.message) }}
+    {{ render_field(form.submit) }}
+</form>
+
+<p>
+    <div id="result_container" style="display: none;">
+        <div id="success_message" class="alert alert-success"></div>
+    </div>
+    <div id="spinner" style="display: none;">
+        <div class="progress">
+            <div id="progressbar" class="progress-bar" role="progressbar" style="width: 0%;" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
+        </div>
+    </div>
+    <div class="alert alert-danger m-3" role="alert" id="error_alert" style="display: none;"></div>
+</p>
+
+
+
+{% endblock %}
\ No newline at end of file
diff --git a/project/templates/email/newsletter.html b/project/templates/email/newsletter.html
new file mode 100644
index 0000000..fdedd25
--- /dev/null
+++ b/project/templates/email/newsletter.html
@@ -0,0 +1,9 @@
+{% extends "email/layout.html" %}
+{% block content %}
+<p>
+    {{ message|safe }}
+</p>
+<p>
+    <a href="{{ url_for('user_notifications', _external=True) }}" target="_blank" rel="noopener noreferrer">{{ _('Notification settings') }}</a>
+</p>
+{% endblock %}
\ No newline at end of file
diff --git a/project/templates/email/newsletter.txt b/project/templates/email/newsletter.txt
new file mode 100644
index 0000000..5e788d3
--- /dev/null
+++ b/project/templates/email/newsletter.txt
@@ -0,0 +1,3 @@
+{{ message|safe }}
+
+{{ _('Notification settings') }}: {{ url_for('user_notifications', _external=True) }}
diff --git a/project/templates/profile.html b/project/templates/profile.html
index 4472bcb..c864fcb 100644
--- a/project/templates/profile.html
+++ b/project/templates/profile.html
@@ -19,6 +19,10 @@
 <h2>{{ _('Settings') }}</h2>
 
 <div class="list-group">
+    <a href="{{ url_for('user_notifications') }}" class="list-group-item">
+        {{ _('Notifications') }}
+        <i class="fa fa-caret-right"></i>
+    </a>
     <a href="{{ url_for('oauth2_tokens') }}" class="list-group-item">
         {{ _('Applications') }}
         <i class="fa fa-caret-right"></i>
diff --git a/project/templates/user/notifications.html b/project/templates/user/notifications.html
new file mode 100644
index 0000000..04fdc24
--- /dev/null
+++ b/project/templates/user/notifications.html
@@ -0,0 +1,16 @@
+{% extends "layout.html" %}
+{% from "_macros.html" import render_field_with_errors, render_field %}
+{%- block title -%}
+{{ _('Notifications') }}
+{%- endblock -%}
+{% block content %}
+
+<h1>{{ _('Notifications') }}</h1>
+
+<form action="" method="POST">
+  {{ form.hidden_tag() }}
+  {{ render_field_with_errors(form.newsletter_enabled, ri="switch") }}
+  {{ render_field(form.submit) }}
+</form>
+
+{% endblock %}
diff --git a/project/translations/de/LC_MESSAGES/messages.mo b/project/translations/de/LC_MESSAGES/messages.mo
index 0f63114b2bdde6e381ea3668fc22f2e2e4e27e59..43c97226579deb75085b25250e18f18e946cc541 100644
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diff --git a/project/translations/de/LC_MESSAGES/messages.po b/project/translations/de/LC_MESSAGES/messages.po
index a94fbfa..9ff9549 100644
--- a/project/translations/de/LC_MESSAGES/messages.po
+++ b/project/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-03-24 21:24+0100\n"
+"POT-Creation-Date: 2023-03-28 17:04+0200\n"
 "PO-Revision-Date: 2020-06-07 18:51+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: de\n"
@@ -209,7 +209,7 @@ msgstr "Nutzungsbedingungen"
 msgid "Legal notice"
 msgstr "Impressum"
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1395
+#: project/forms/admin.py:13 project/templates/_macros.html:1397
 #: project/templates/layout.html:302
 #: project/templates/widget/event_suggestion/create.html:204
 #: project/views/admin_unit.py:73 project/views/root.py:69
@@ -226,6 +226,7 @@ msgid "Start page"
 msgstr "Startseite"
 
 #: project/forms/admin.py:17 project/forms/oauth2_client.py:24
+#: project/forms/user.py:13
 msgid "Save"
 msgstr "Speichern"
 
@@ -294,7 +295,7 @@ msgstr ""
 msgid "Update organization"
 msgstr "Organisation aktualisieren"
 
-#: project/forms/admin.py:63
+#: project/forms/admin.py:63 project/forms/admin.py:70
 msgid "Recipient"
 msgstr "Empfänger"
 
@@ -302,6 +303,22 @@ msgstr "Empfänger"
 msgid "Send test mail synchronously"
 msgstr "Test-Mail synchron senden"
 
+#: project/forms/admin.py:72 project/forms/admin.py:78
+msgid "Test recipient"
+msgstr "Test-Empfänger"
+
+#: project/forms/admin.py:73
+msgid "All users with enabled newsletter setting"
+msgstr "Alle Nutzer mit aktiviertem Newsletter"
+
+#: project/forms/admin.py:79
+msgid "Message"
+msgstr "Nachricht"
+
+#: project/forms/admin.py:80
+msgid "Send newsletter"
+msgstr "Newsletter senden"
+
 #: project/forms/admin_unit.py:15 project/forms/event_place.py:12
 #: project/forms/organizer.py:12
 msgid "Street"
@@ -354,7 +371,7 @@ msgstr ""
 "eindeutig zu identifizieren. Der Kurzname darf nur Buchstaben, Nummern "
 "und Unterstriche enthalten."
 
-#: project/forms/admin_unit.py:41 project/templates/_macros.html:1531
+#: project/forms/admin_unit.py:41 project/templates/_macros.html:1533
 msgid "Short name must contain only letters numbers or underscore"
 msgstr "Der Kurzname darf nur Buchstaben, Nummern und Unterstriche enthalten"
 
@@ -367,20 +384,21 @@ msgstr "Link URL"
 #: project/forms/admin_unit.py:48 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:107 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:235
-#: project/templates/_macros.html:1491 project/templates/admin/admin.html:27
+#: project/forms/organizer.py:27 project/templates/_macros.html:237
+#: project/templates/_macros.html:1493 project/templates/admin/admin.html:27
+#: project/templates/admin/email.html:4 project/templates/admin/email.html:66
 #: project/templates/admin/users.html:19
 msgid "Email"
 msgstr "Email"
 
 #: project/forms/admin_unit.py:49 project/forms/event.py:108
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:288
+#: project/templates/_macros.html:290
 msgid "Phone"
 msgstr "Telefon"
 
 #: project/forms/admin_unit.py:50 project/forms/event.py:109
-#: project/forms/organizer.py:29 project/templates/_macros.html:296
+#: project/forms/organizer.py:29 project/templates/_macros.html:298
 msgid "Fax"
 msgstr "Fax"
 
@@ -589,16 +607,16 @@ msgstr "Gib an, wann der Termin endet. Ein Termin darf maximal 14 Tage dauern."
 msgid "All-day"
 msgstr "Ganztägig"
 
-#: project/forms/event.py:54 project/templates/_macros.html:1711
+#: project/forms/event.py:54 project/templates/_macros.html:1713
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr "Serientermin"
 
-#: project/forms/event.py:61 project/templates/_macros.html:1252
+#: project/forms/event.py:61 project/templates/_macros.html:1254
 msgid "The start must be before the end."
 msgstr "Der Start muss vor dem Ende sein."
 
-#: project/forms/event.py:67 project/templates/_macros.html:1269
+#: project/forms/event.py:67 project/templates/_macros.html:1271
 msgid "An event can last a maximum of 14 days."
 msgstr "Eine Veranstaltung darf maximal 14 Tage dauern."
 
@@ -634,7 +652,7 @@ msgstr "Ticket Link"
 msgid "Enter a link where tickets can be purchased."
 msgstr "Gib einen Link ein, über den Tickets gekauft werden können."
 
-#: project/forms/event.py:136 project/templates/_macros.html:217
+#: project/forms/event.py:136 project/templates/_macros.html:219
 msgid "Tags"
 msgstr "Stichworte"
 
@@ -687,7 +705,7 @@ msgstr "Anmeldung erforderlich"
 msgid "If the participants needs to register for the event."
 msgstr "Wenn sich die Teilnehmer für die Veranstaltung anmelden müssen."
 
-#: project/forms/event.py:170 project/templates/_macros.html:249
+#: project/forms/event.py:170 project/templates/_macros.html:251
 #: project/templates/layout.html:110
 msgid "Booked up"
 msgstr "Ausgebucht"
@@ -773,8 +791,8 @@ msgstr ""
 "Wir empfehlen dir, ein Foto für die Veranstaltung hochzuladen. Es macht "
 "schon deutlich mehr her, aber es geht natürlich auch ohne."
 
-#: project/forms/event.py:242 project/templates/_macros.html:396
-#: project/templates/_macros.html:559
+#: project/forms/event.py:242 project/templates/_macros.html:398
+#: project/templates/_macros.html:561
 msgid "Previous start date"
 msgstr "Vorheriges Startdatum"
 
@@ -826,7 +844,7 @@ msgstr "Ungültiger Mitveranstalter."
 
 #: project/forms/event.py:286 project/forms/event.py:295
 #: project/forms/event.py:368 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:436 project/templates/_macros.html:599
+#: project/templates/_macros.html:438 project/templates/_macros.html:601
 #: project/templates/event/create.html:284
 #: project/templates/event/update.html:166
 #: project/templates/event_place/create.html:31
@@ -845,8 +863,8 @@ msgstr "Neuen Ort eingeben"
 
 #: project/forms/event.py:302 project/forms/event.py:311
 #: project/forms/event.py:376 project/forms/event.py:439
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:473
-#: project/templates/_macros.html:636 project/templates/event/create.html:253
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:475
+#: project/templates/_macros.html:638 project/templates/event/create.html:253
 #: project/templates/event/update.html:156
 #: project/templates/organizer/create.html:27
 #: project/templates/organizer/delete.html:13
@@ -935,7 +953,7 @@ msgstr "Öffentlicher Status"
 msgid "PublicStatus.published"
 msgstr "Veröffentlicht"
 
-#: project/forms/event.py:402 project/templates/_macros.html:255
+#: project/forms/event.py:402 project/templates/_macros.html:257
 msgid "PublicStatus.draft"
 msgstr "Entwurf"
 
@@ -948,7 +966,7 @@ msgstr "Wähle den öffentlichen Status der Veranstaltung."
 msgid "Update event"
 msgstr "Veranstaltung aktualisieren"
 
-#: project/forms/event.py:423 project/templates/_macros.html:1224
+#: project/forms/event.py:423 project/templates/_macros.html:1226
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -969,7 +987,7 @@ msgid "Keyword"
 msgstr "Stichwort"
 
 #: project/forms/event.py:436 project/forms/event_date.py:21
-#: project/forms/planing.py:19 project/templates/_macros.html:369
+#: project/forms/planing.py:19 project/templates/_macros.html:371
 msgid "Category"
 msgstr "Kategorie"
 
@@ -978,7 +996,7 @@ msgid "Find events"
 msgstr "Veranstaltungen finden"
 
 #: project/forms/event_date.py:24 project/forms/planing.py:22
-#: project/templates/_macros.html:303
+#: project/templates/_macros.html:305
 #: project/templates/admin_unit/create.html:38
 #: project/templates/admin_unit/update.html:39
 #: project/templates/event_place/create.html:40
@@ -1125,7 +1143,7 @@ msgid "Weekdays"
 msgstr "Wochentage"
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:16
-#: project/templates/_macros.html:489 project/templates/_macros.html:652
+#: project/templates/_macros.html:491 project/templates/_macros.html:654
 #: project/templates/admin_unit/create.html:28
 #: project/templates/admin_unit/update.html:29
 #: project/templates/layout.html:242
@@ -1153,7 +1171,7 @@ msgstr "Anfrage speichern"
 msgid "Delete request"
 msgstr "Anfrage löschen"
 
-#: project/forms/reference_request.py:28 project/templates/_macros.html:1407
+#: project/forms/reference_request.py:28 project/templates/_macros.html:1409
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -1211,43 +1229,53 @@ msgstr "Erlauben"
 msgid "Deny"
 msgstr "Ablehnen"
 
+#: project/forms/user.py:9 project/templates/admin/admin.html:31
+#: project/templates/admin/newsletter.html:4
+#: project/templates/admin/newsletter.html:93
+msgid "Newsletter"
+msgstr "Newsletter"
+
+#: project/forms/user.py:10
+msgid "Information about new features and improvements."
+msgstr "Informationen über neue Features und Verbesserungen."
+
 #: project/forms/widgets.py:154
 msgid "This field is required."
 msgstr "Dieses Feld ist erforderlich."
 
-#: project/templates/_macros.html:147
+#: project/templates/_macros.html:149
 msgid "Show on Google Maps"
 msgstr "Auf Google Maps anzeigen"
 
-#: project/templates/_macros.html:226
+#: project/templates/_macros.html:228
 msgid "Link"
 msgstr "Link"
 
-#: project/templates/_macros.html:282
+#: project/templates/_macros.html:284
 msgid "Verified"
 msgstr "Verifiziert"
 
-#: project/templates/_macros.html:346
+#: project/templates/_macros.html:348
 #, python-format
 msgid "Created at %(created_at)s by %(created_by)s."
 msgstr "Erstellt am %(created_at)s von %(created_by)s."
 
-#: project/templates/_macros.html:348
+#: project/templates/_macros.html:350
 #, python-format
 msgid "Created at %(created_at)s."
 msgstr "Erstellt am %(created_at)s."
 
-#: project/templates/_macros.html:353
+#: project/templates/_macros.html:355
 #, python-format
 msgid "Last updated at %(updated_at)s by %(updated_by)s."
 msgstr "Zuletzt aktualisiert am %(updated_at)s von %(updated_by)s."
 
-#: project/templates/_macros.html:355
+#: project/templates/_macros.html:357
 #, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr "Zuletzt aktualisiert am %(updated_at)s."
 
-#: project/templates/_macros.html:385 project/templates/_macros.html:555
+#: project/templates/_macros.html:387 project/templates/_macros.html:557
 #: project/templates/event/actions.html:25
 #: project/templates/event/create.html:230
 #: project/templates/event/update.html:122
@@ -1255,65 +1283,65 @@ msgstr "Zuletzt aktualisiert am %(updated_at)s."
 msgid "Event"
 msgstr "Veranstaltung"
 
-#: project/templates/_macros.html:391 project/templates/_macros.html:920
+#: project/templates/_macros.html:393 project/templates/_macros.html:922
 msgid "Date"
 msgstr "Datum"
 
-#: project/templates/_macros.html:418 project/templates/_macros.html:577
-#: project/templates/_macros.html:1476 project/templates/event/actions.html:51
+#: project/templates/_macros.html:420 project/templates/_macros.html:579
+#: project/templates/_macros.html:1478 project/templates/event/actions.html:51
 msgid "Share"
 msgstr "Teilen"
 
-#: project/templates/_macros.html:422 project/templates/_macros.html:581
-#: project/templates/_macros.html:1506
+#: project/templates/_macros.html:424 project/templates/_macros.html:583
+#: project/templates/_macros.html:1508
 msgid "Add to calendar"
 msgstr "Zum Kalender"
 
-#: project/templates/_macros.html:430 project/templates/_macros.html:592
+#: project/templates/_macros.html:432 project/templates/_macros.html:594
 #: project/templates/event/report.html:4
 msgid "Report event"
 msgstr "Veranstaltung melden"
 
-#: project/templates/_macros.html:457 project/templates/_macros.html:618
+#: project/templates/_macros.html:459 project/templates/_macros.html:620
 msgid "Show directions"
 msgstr "Anreise planen"
 
-#: project/templates/_macros.html:462 project/templates/_macros.html:623
+#: project/templates/_macros.html:464 project/templates/_macros.html:625
 msgid "The event takes place online."
 msgstr "Die Veranstaltung findet online statt."
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:625
+#: project/templates/_macros.html:466 project/templates/_macros.html:627
 msgid "The event takes place both offline and online."
 msgstr ""
 "Die Veranstaltung findet sowohl als Präsenzveranstaltung als auch online "
 "statt."
 
-#: project/templates/_macros.html:585 project/templates/layout.html:168
+#: project/templates/_macros.html:587 project/templates/layout.html:168
 #: project/templates/user/favorite_events.html:4
 msgid "Favorite events"
 msgstr "Merkzettel"
 
-#: project/templates/_macros.html:679 project/templates/event_date/list.html:5
+#: project/templates/_macros.html:681 project/templates/event_date/list.html:5
 #: project/templates/event_date/list.html:299
 #: project/templates/reference_request/review.html:32
 msgid "Event Dates"
 msgstr "Termine"
 
-#: project/templates/_macros.html:771
+#: project/templates/_macros.html:773
 msgid "Search location on Google"
 msgstr "Ort bei Google suchen"
 
-#: project/templates/_macros.html:837
+#: project/templates/_macros.html:839
 #, python-format
 msgid "%(count)d event dates"
 msgstr "%(count)d Termine"
 
-#: project/templates/_macros.html:860 project/templates/_macros.html:862
+#: project/templates/_macros.html:862 project/templates/_macros.html:864
 #: project/templates/event_date/list.html:321
 msgid "First"
 msgstr "Letzte"
 
-#: project/templates/_macros.html:865 project/templates/_macros.html:867
+#: project/templates/_macros.html:867 project/templates/_macros.html:869
 #: project/templates/event_date/list.html:322
 #: project/templates/widget/event_suggestion/create.html:193
 #: project/templates/widget/event_suggestion/create.html:218
@@ -1324,12 +1352,12 @@ msgstr "Letzte"
 msgid "Previous"
 msgstr "Zurück"
 
-#: project/templates/_macros.html:869
+#: project/templates/_macros.html:871
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr "Seite %(page)d von %(pages)d (%(total)d insgesamt)"
 
-#: project/templates/_macros.html:871 project/templates/_macros.html:873
+#: project/templates/_macros.html:873 project/templates/_macros.html:875
 #: project/templates/event_date/list.html:324
 #: project/templates/widget/event_suggestion/create.html:194
 #: project/templates/widget/event_suggestion/create.html:219
@@ -1339,88 +1367,88 @@ msgstr "Seite %(page)d von %(pages)d (%(total)d insgesamt)"
 msgid "Next"
 msgstr "Weiter"
 
-#: project/templates/_macros.html:876 project/templates/_macros.html:878
+#: project/templates/_macros.html:878 project/templates/_macros.html:880
 #: project/templates/event_date/list.html:325
 msgid "Last"
 msgstr "Erste"
 
-#: project/templates/_macros.html:943
+#: project/templates/_macros.html:945
 msgid "Radius"
 msgstr "Umkreis"
 
-#: project/templates/_macros.html:1153
+#: project/templates/_macros.html:1155
 msgid "Edit image"
 msgstr "Bild bearbeiten"
 
-#: project/templates/_macros.html:1174
+#: project/templates/_macros.html:1176
 msgid "Close"
 msgstr "Schließen"
 
-#: project/templates/_macros.html:1175
+#: project/templates/_macros.html:1177
 msgid "Okay"
 msgstr "OK"
 
-#: project/templates/_macros.html:1187
+#: project/templates/_macros.html:1189
 msgid "Choose image file"
 msgstr "Bild-Datei auswählen"
 
-#: project/templates/_macros.html:1223 project/templates/event/actions.html:65
+#: project/templates/_macros.html:1225 project/templates/event/actions.html:65
 #: project/templates/event/delete.html:12
 msgid "Edit event"
 msgstr "Veranstaltung bearbeiten"
 
-#: project/templates/_macros.html:1226 project/templates/manage/events.html:66
+#: project/templates/_macros.html:1228 project/templates/manage/events.html:66
 msgid "More"
 msgstr "Mehr"
 
-#: project/templates/_macros.html:1273
+#: project/templates/_macros.html:1275
 msgid "Please enter a valid time, between 00:00 and 23:59."
 msgstr "Bitte gib eine gültige Uhrzeit zwischen 00:00 und 23:59 ein."
 
-#: project/templates/_macros.html:1301
+#: project/templates/_macros.html:1303
 #, python-format
 msgid "Just use %(term)s"
 msgstr "Verwende einfach %(term)s"
 
-#: project/templates/_macros.html:1367
+#: project/templates/_macros.html:1369
 msgid "Event suggestion"
 msgstr "Veranstaltungsvorschlag"
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Link copied"
 msgstr "Link kopiert"
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Copy link"
 msgstr "Link kopieren"
 
-#: project/templates/_macros.html:1514
+#: project/templates/_macros.html:1516
 msgid "Google calendar"
 msgstr "Google Kalender"
 
-#: project/templates/_macros.html:1515
+#: project/templates/_macros.html:1517
 msgid "Apple calendar"
 msgstr "Apple Kalender"
 
-#: project/templates/_macros.html:1516
+#: project/templates/_macros.html:1518
 msgid "Yahoo calendar"
 msgstr "Yahoo Kalender"
 
-#: project/templates/_macros.html:1517
+#: project/templates/_macros.html:1519
 msgid "Other calendar"
 msgstr "Anderer Kalender"
 
-#: project/templates/_macros.html:1712
+#: project/templates/_macros.html:1714
 msgid "Remove event date"
 msgstr "Termin entfernen"
 
-#: project/templates/_macros.html:1741 project/templates/event/create.html:176
+#: project/templates/_macros.html:1743 project/templates/event/create.html:176
 #: project/templates/event/update.html:99
 #: project/templates/widget/event_suggestion/create.html:129
 msgid "Enter organizer"
 msgstr "Veranstalter eingeben"
 
-#: project/templates/_macros.html:1765
+#: project/templates/_macros.html:1767
 msgid "Enter list name"
 msgstr "Listenname eingeben"
 
@@ -1464,6 +1492,7 @@ msgstr "Profil"
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
+#: project/templates/admin/newsletter.html:92
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:171
 msgid "Admin"
@@ -1551,8 +1580,7 @@ msgstr "Beziehungen"
 msgid "Organization invitations"
 msgstr "Organisationseinladungen"
 
-#: project/templates/admin/admin.html:15 project/templates/admin/email.html:4
-#: project/templates/admin/email.html:66
+#: project/templates/admin/admin.html:15
 #: project/templates/admin/settings.html:4
 #: project/templates/admin/settings.html:11
 #: project/templates/admin_unit/update.html:6
@@ -1578,18 +1606,24 @@ msgid "Switch organization"
 msgstr "Organisation wechseln"
 
 #: project/templates/developer/read.html:4 project/templates/layout.html:310
-#: project/templates/profile.html:29
+#: project/templates/profile.html:33
 msgid "Developer"
 msgstr "Entwickler"
 
 #: project/templates/profile.html:23
+#: project/templates/user/notifications.html:4
+#: project/templates/user/notifications.html:8
+msgid "Notifications"
+msgstr "Benachrichtigungen"
+
+#: project/templates/profile.html:27
 msgid "Applications"
 msgstr "Apps"
 
 #: project/templates/oauth2_client/list.html:4
 #: project/templates/oauth2_client/list.html:11
 #: project/templates/oauth2_client/read.html:11
-#: project/templates/profile.html:33
+#: project/templates/profile.html:37
 msgid "OAuth2 clients"
 msgstr "OAuth2 Clients"
 
@@ -1610,7 +1644,7 @@ msgstr "Benutzer"
 msgid "Edit"
 msgstr "Bearbeiten"
 
-#: project/templates/admin/email.html:47 project/views/admin.py:119
+#: project/templates/admin/email.html:47 project/views/admin.py:122
 msgid "Mail sent successfully"
 msgstr "Mail erfolgreich gesendet"
 
@@ -1622,6 +1656,10 @@ msgstr "Test-Mail"
 msgid "Send test mail asynchronously"
 msgstr "Test-Mail asynchron senden"
 
+#: project/templates/admin/newsletter.html:59
+msgid "Mails sent successfully"
+msgstr "Mails erfolgreich gesendet"
+
 #: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:59
 #: project/templates/event/create.html:347
@@ -1676,6 +1714,10 @@ msgstr "Moin"
 msgid "this is a message from %(site_name)s."
 msgstr "das ist eine Nachricht von %(site_name)s."
 
+#: project/templates/email/newsletter.html:7
+msgid "Notification settings"
+msgstr "Benachrichtigungseinstellungen"
+
 #: project/templates/email/organization_invitation_accepted_notice.html:4
 #, python-format
 msgid ""
@@ -2096,20 +2138,26 @@ msgstr "Optionale Details"
 msgid "Preview"
 msgstr "Vorschau"
 
-#: project/views/admin.py:55
+#: project/views/admin.py:58
 msgid "Organization successfully updated"
 msgstr "Organisation erfolgreich aktualisiert"
 
-#: project/views/admin.py:79 project/views/manage.py:361
+#: project/views/admin.py:82 project/views/manage.py:361
+#: project/views/user.py:27
 msgid "Settings successfully updated"
 msgstr "Einstellungen erfolgreich aktualisiert"
 
-#: project/views/admin.py:108
+#: project/views/admin.py:111
 #, python-format
 msgid "Test mail from %(site_name)s"
 msgstr "Test-Mail von %(site_name)s"
 
-#: project/views/admin.py:152
+#: project/views/admin.py:150
+#, python-format
+msgid "Newsletter from %(site_name)s"
+msgstr "Newsletter von %(site_name)s"
+
+#: project/views/admin.py:200
 msgid "User successfully updated"
 msgstr "Nutzer erfolgreich aktualisiert"
 
diff --git a/project/translations/en/LC_MESSAGES/messages.mo b/project/translations/en/LC_MESSAGES/messages.mo
index f1fcd1de63b22f2729b92260be565e04a7704b17..bab21eea6c06486d7565ab6a2cf0334068daee1f 100644
GIT binary patch
delta 23
ecmaDW{Z@LzY)&o<1w(Ty0~2inqs>b>Jy-x?Q3nSA

delta 23
ecmaDW{Z@LzY)&o{1tUW%BNJ@{!_7-MJy-x>=m!4)

diff --git a/project/translations/en/LC_MESSAGES/messages.po b/project/translations/en/LC_MESSAGES/messages.po
index e38fe4b..fc96199 100644
--- a/project/translations/en/LC_MESSAGES/messages.po
+++ b/project/translations/en/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2023-03-24 21:24+0100\n"
+"POT-Creation-Date: 2023-03-28 17:04+0200\n"
 "PO-Revision-Date: 2021-04-30 15:04+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: en\n"
@@ -209,7 +209,7 @@ msgstr ""
 msgid "Legal notice"
 msgstr ""
 
-#: project/forms/admin.py:13 project/templates/_macros.html:1395
+#: project/forms/admin.py:13 project/templates/_macros.html:1397
 #: project/templates/layout.html:302
 #: project/templates/widget/event_suggestion/create.html:204
 #: project/views/admin_unit.py:73 project/views/root.py:69
@@ -226,6 +226,7 @@ msgid "Start page"
 msgstr ""
 
 #: project/forms/admin.py:17 project/forms/oauth2_client.py:24
+#: project/forms/user.py:13
 msgid "Save"
 msgstr ""
 
@@ -286,7 +287,7 @@ msgstr ""
 msgid "Update organization"
 msgstr ""
 
-#: project/forms/admin.py:63
+#: project/forms/admin.py:63 project/forms/admin.py:70
 msgid "Recipient"
 msgstr ""
 
@@ -294,6 +295,22 @@ msgstr ""
 msgid "Send test mail synchronously"
 msgstr ""
 
+#: project/forms/admin.py:72 project/forms/admin.py:78
+msgid "Test recipient"
+msgstr ""
+
+#: project/forms/admin.py:73
+msgid "All users with enabled newsletter setting"
+msgstr ""
+
+#: project/forms/admin.py:79
+msgid "Message"
+msgstr ""
+
+#: project/forms/admin.py:80
+msgid "Send newsletter"
+msgstr ""
+
 #: project/forms/admin_unit.py:15 project/forms/event_place.py:12
 #: project/forms/organizer.py:12
 msgid "Street"
@@ -343,7 +360,7 @@ msgstr ""
 msgid "The short name is used to create a unique identifier for your events"
 msgstr ""
 
-#: project/forms/admin_unit.py:41 project/templates/_macros.html:1531
+#: project/forms/admin_unit.py:41 project/templates/_macros.html:1533
 msgid "Short name must contain only letters numbers or underscore"
 msgstr ""
 
@@ -356,20 +373,21 @@ msgstr ""
 #: project/forms/admin_unit.py:48 project/forms/admin_unit_member.py:11
 #: project/forms/admin_unit_member.py:23 project/forms/admin_unit_member.py:28
 #: project/forms/event.py:107 project/forms/event_suggestion.py:38
-#: project/forms/organizer.py:27 project/templates/_macros.html:235
-#: project/templates/_macros.html:1491 project/templates/admin/admin.html:27
+#: project/forms/organizer.py:27 project/templates/_macros.html:237
+#: project/templates/_macros.html:1493 project/templates/admin/admin.html:27
+#: project/templates/admin/email.html:4 project/templates/admin/email.html:66
 #: project/templates/admin/users.html:19
 msgid "Email"
 msgstr ""
 
 #: project/forms/admin_unit.py:49 project/forms/event.py:108
 #: project/forms/event_suggestion.py:31 project/forms/organizer.py:28
-#: project/templates/_macros.html:288
+#: project/templates/_macros.html:290
 msgid "Phone"
 msgstr ""
 
 #: project/forms/admin_unit.py:50 project/forms/event.py:109
-#: project/forms/organizer.py:29 project/templates/_macros.html:296
+#: project/forms/organizer.py:29 project/templates/_macros.html:298
 msgid "Fax"
 msgstr ""
 
@@ -567,16 +585,16 @@ msgstr ""
 msgid "All-day"
 msgstr ""
 
-#: project/forms/event.py:54 project/templates/_macros.html:1711
+#: project/forms/event.py:54 project/templates/_macros.html:1713
 #: project/templates/widget/event_suggestion/create.html:240
 msgid "Recurring event"
 msgstr ""
 
-#: project/forms/event.py:61 project/templates/_macros.html:1252
+#: project/forms/event.py:61 project/templates/_macros.html:1254
 msgid "The start must be before the end."
 msgstr ""
 
-#: project/forms/event.py:67 project/templates/_macros.html:1269
+#: project/forms/event.py:67 project/templates/_macros.html:1271
 msgid "An event can last a maximum of 14 days."
 msgstr ""
 
@@ -610,7 +628,7 @@ msgstr ""
 msgid "Enter a link where tickets can be purchased."
 msgstr ""
 
-#: project/forms/event.py:136 project/templates/_macros.html:217
+#: project/forms/event.py:136 project/templates/_macros.html:219
 msgid "Tags"
 msgstr ""
 
@@ -660,7 +678,7 @@ msgstr ""
 msgid "If the participants needs to register for the event."
 msgstr ""
 
-#: project/forms/event.py:170 project/templates/_macros.html:249
+#: project/forms/event.py:170 project/templates/_macros.html:251
 #: project/templates/layout.html:110
 msgid "Booked up"
 msgstr ""
@@ -740,8 +758,8 @@ msgid ""
 " course it works without it."
 msgstr ""
 
-#: project/forms/event.py:242 project/templates/_macros.html:396
-#: project/templates/_macros.html:559
+#: project/forms/event.py:242 project/templates/_macros.html:398
+#: project/templates/_macros.html:561
 msgid "Previous start date"
 msgstr ""
 
@@ -787,7 +805,7 @@ msgstr ""
 
 #: project/forms/event.py:286 project/forms/event.py:295
 #: project/forms/event.py:368 project/forms/event_suggestion.py:50
-#: project/templates/_macros.html:436 project/templates/_macros.html:599
+#: project/templates/_macros.html:438 project/templates/_macros.html:601
 #: project/templates/event/create.html:284
 #: project/templates/event/update.html:166
 #: project/templates/event_place/create.html:31
@@ -806,8 +824,8 @@ msgstr ""
 
 #: project/forms/event.py:302 project/forms/event.py:311
 #: project/forms/event.py:376 project/forms/event.py:439
-#: project/forms/event_suggestion.py:60 project/templates/_macros.html:473
-#: project/templates/_macros.html:636 project/templates/event/create.html:253
+#: project/forms/event_suggestion.py:60 project/templates/_macros.html:475
+#: project/templates/_macros.html:638 project/templates/event/create.html:253
 #: project/templates/event/update.html:156
 #: project/templates/organizer/create.html:27
 #: project/templates/organizer/delete.html:13
@@ -892,7 +910,7 @@ msgstr ""
 msgid "PublicStatus.published"
 msgstr ""
 
-#: project/forms/event.py:402 project/templates/_macros.html:255
+#: project/forms/event.py:402 project/templates/_macros.html:257
 msgid "PublicStatus.draft"
 msgstr ""
 
@@ -905,7 +923,7 @@ msgstr ""
 msgid "Update event"
 msgstr ""
 
-#: project/forms/event.py:423 project/templates/_macros.html:1224
+#: project/forms/event.py:423 project/templates/_macros.html:1226
 #: project/templates/event/actions.html:66
 #: project/templates/event/delete.html:6
 msgid "Delete event"
@@ -926,7 +944,7 @@ msgid "Keyword"
 msgstr ""
 
 #: project/forms/event.py:436 project/forms/event_date.py:21
-#: project/forms/planing.py:19 project/templates/_macros.html:369
+#: project/forms/planing.py:19 project/templates/_macros.html:371
 msgid "Category"
 msgstr ""
 
@@ -935,7 +953,7 @@ msgid "Find events"
 msgstr ""
 
 #: project/forms/event_date.py:24 project/forms/planing.py:22
-#: project/templates/_macros.html:303
+#: project/templates/_macros.html:305
 #: project/templates/admin_unit/create.html:38
 #: project/templates/admin_unit/update.html:39
 #: project/templates/event_place/create.html:40
@@ -1078,7 +1096,7 @@ msgid "Weekdays"
 msgstr ""
 
 #: project/forms/reference.py:11 project/forms/reference_request.py:16
-#: project/templates/_macros.html:489 project/templates/_macros.html:652
+#: project/templates/_macros.html:491 project/templates/_macros.html:654
 #: project/templates/admin_unit/create.html:28
 #: project/templates/admin_unit/update.html:29
 #: project/templates/layout.html:242
@@ -1106,7 +1124,7 @@ msgstr ""
 msgid "Delete request"
 msgstr ""
 
-#: project/forms/reference_request.py:28 project/templates/_macros.html:1407
+#: project/forms/reference_request.py:28 project/templates/_macros.html:1409
 #: project/templates/event_suggestion/review_status.html:18
 #: project/templates/reference_request/review_status.html:12
 msgid "Review status"
@@ -1164,43 +1182,53 @@ msgstr ""
 msgid "Deny"
 msgstr ""
 
+#: project/forms/user.py:9 project/templates/admin/admin.html:31
+#: project/templates/admin/newsletter.html:4
+#: project/templates/admin/newsletter.html:93
+msgid "Newsletter"
+msgstr ""
+
+#: project/forms/user.py:10
+msgid "Information about new features and improvements."
+msgstr ""
+
 #: project/forms/widgets.py:154
 msgid "This field is required."
 msgstr ""
 
-#: project/templates/_macros.html:147
+#: project/templates/_macros.html:149
 msgid "Show on Google Maps"
 msgstr ""
 
-#: project/templates/_macros.html:226
+#: project/templates/_macros.html:228
 msgid "Link"
 msgstr ""
 
-#: project/templates/_macros.html:282
+#: project/templates/_macros.html:284
 msgid "Verified"
 msgstr ""
 
-#: project/templates/_macros.html:346
-#, python-format
-msgid "Created at %(created_at)s by %(created_by)s."
-msgstr ""
-
 #: project/templates/_macros.html:348
 #, python-format
-msgid "Created at %(created_at)s."
+msgid "Created at %(created_at)s by %(created_by)s."
 msgstr ""
 
-#: project/templates/_macros.html:353
+#: project/templates/_macros.html:350
 #, python-format
-msgid "Last updated at %(updated_at)s by %(updated_by)s."
+msgid "Created at %(created_at)s."
 msgstr ""
 
 #: project/templates/_macros.html:355
 #, python-format
+msgid "Last updated at %(updated_at)s by %(updated_by)s."
+msgstr ""
+
+#: project/templates/_macros.html:357
+#, python-format
 msgid "Last updated at %(updated_at)s."
 msgstr ""
 
-#: project/templates/_macros.html:385 project/templates/_macros.html:555
+#: project/templates/_macros.html:387 project/templates/_macros.html:557
 #: project/templates/event/actions.html:25
 #: project/templates/event/create.html:230
 #: project/templates/event/update.html:122
@@ -1208,63 +1236,63 @@ msgstr ""
 msgid "Event"
 msgstr ""
 
-#: project/templates/_macros.html:391 project/templates/_macros.html:920
+#: project/templates/_macros.html:393 project/templates/_macros.html:922
 msgid "Date"
 msgstr ""
 
-#: project/templates/_macros.html:418 project/templates/_macros.html:577
-#: project/templates/_macros.html:1476 project/templates/event/actions.html:51
+#: project/templates/_macros.html:420 project/templates/_macros.html:579
+#: project/templates/_macros.html:1478 project/templates/event/actions.html:51
 msgid "Share"
 msgstr ""
 
-#: project/templates/_macros.html:422 project/templates/_macros.html:581
-#: project/templates/_macros.html:1506
+#: project/templates/_macros.html:424 project/templates/_macros.html:583
+#: project/templates/_macros.html:1508
 msgid "Add to calendar"
 msgstr ""
 
-#: project/templates/_macros.html:430 project/templates/_macros.html:592
+#: project/templates/_macros.html:432 project/templates/_macros.html:594
 #: project/templates/event/report.html:4
 msgid "Report event"
 msgstr ""
 
-#: project/templates/_macros.html:457 project/templates/_macros.html:618
+#: project/templates/_macros.html:459 project/templates/_macros.html:620
 msgid "Show directions"
 msgstr ""
 
-#: project/templates/_macros.html:462 project/templates/_macros.html:623
+#: project/templates/_macros.html:464 project/templates/_macros.html:625
 msgid "The event takes place online."
 msgstr ""
 
-#: project/templates/_macros.html:464 project/templates/_macros.html:625
+#: project/templates/_macros.html:466 project/templates/_macros.html:627
 msgid "The event takes place both offline and online."
 msgstr ""
 
-#: project/templates/_macros.html:585 project/templates/layout.html:168
+#: project/templates/_macros.html:587 project/templates/layout.html:168
 #: project/templates/user/favorite_events.html:4
 msgid "Favorite events"
 msgstr ""
 
-#: project/templates/_macros.html:679 project/templates/event_date/list.html:5
+#: project/templates/_macros.html:681 project/templates/event_date/list.html:5
 #: project/templates/event_date/list.html:299
 #: project/templates/reference_request/review.html:32
 msgid "Event Dates"
 msgstr ""
 
-#: project/templates/_macros.html:771
+#: project/templates/_macros.html:773
 msgid "Search location on Google"
 msgstr ""
 
-#: project/templates/_macros.html:837
+#: project/templates/_macros.html:839
 #, python-format
 msgid "%(count)d event dates"
 msgstr ""
 
-#: project/templates/_macros.html:860 project/templates/_macros.html:862
+#: project/templates/_macros.html:862 project/templates/_macros.html:864
 #: project/templates/event_date/list.html:321
 msgid "First"
 msgstr ""
 
-#: project/templates/_macros.html:865 project/templates/_macros.html:867
+#: project/templates/_macros.html:867 project/templates/_macros.html:869
 #: project/templates/event_date/list.html:322
 #: project/templates/widget/event_suggestion/create.html:193
 #: project/templates/widget/event_suggestion/create.html:218
@@ -1275,12 +1303,12 @@ msgstr ""
 msgid "Previous"
 msgstr ""
 
-#: project/templates/_macros.html:869
+#: project/templates/_macros.html:871
 #, python-format
 msgid "Page %(page)d of %(pages)d (%(total)d total)"
 msgstr ""
 
-#: project/templates/_macros.html:871 project/templates/_macros.html:873
+#: project/templates/_macros.html:873 project/templates/_macros.html:875
 #: project/templates/event_date/list.html:324
 #: project/templates/widget/event_suggestion/create.html:194
 #: project/templates/widget/event_suggestion/create.html:219
@@ -1290,88 +1318,88 @@ msgstr ""
 msgid "Next"
 msgstr ""
 
-#: project/templates/_macros.html:876 project/templates/_macros.html:878
+#: project/templates/_macros.html:878 project/templates/_macros.html:880
 #: project/templates/event_date/list.html:325
 msgid "Last"
 msgstr ""
 
-#: project/templates/_macros.html:943
+#: project/templates/_macros.html:945
 msgid "Radius"
 msgstr ""
 
-#: project/templates/_macros.html:1153
+#: project/templates/_macros.html:1155
 msgid "Edit image"
 msgstr ""
 
-#: project/templates/_macros.html:1174
+#: project/templates/_macros.html:1176
 msgid "Close"
 msgstr ""
 
-#: project/templates/_macros.html:1175
+#: project/templates/_macros.html:1177
 msgid "Okay"
 msgstr ""
 
-#: project/templates/_macros.html:1187
+#: project/templates/_macros.html:1189
 msgid "Choose image file"
 msgstr ""
 
-#: project/templates/_macros.html:1223 project/templates/event/actions.html:65
+#: project/templates/_macros.html:1225 project/templates/event/actions.html:65
 #: project/templates/event/delete.html:12
 msgid "Edit event"
 msgstr ""
 
-#: project/templates/_macros.html:1226 project/templates/manage/events.html:66
+#: project/templates/_macros.html:1228 project/templates/manage/events.html:66
 msgid "More"
 msgstr ""
 
-#: project/templates/_macros.html:1273
+#: project/templates/_macros.html:1275
 msgid "Please enter a valid time, between 00:00 and 23:59."
 msgstr ""
 
-#: project/templates/_macros.html:1301
+#: project/templates/_macros.html:1303
 #, python-format
 msgid "Just use %(term)s"
 msgstr ""
 
-#: project/templates/_macros.html:1367
+#: project/templates/_macros.html:1369
 msgid "Event suggestion"
 msgstr ""
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Link copied"
 msgstr ""
 
-#: project/templates/_macros.html:1485
+#: project/templates/_macros.html:1487
 msgid "Copy link"
 msgstr ""
 
-#: project/templates/_macros.html:1514
+#: project/templates/_macros.html:1516
 msgid "Google calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1515
+#: project/templates/_macros.html:1517
 msgid "Apple calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1516
+#: project/templates/_macros.html:1518
 msgid "Yahoo calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1517
+#: project/templates/_macros.html:1519
 msgid "Other calendar"
 msgstr ""
 
-#: project/templates/_macros.html:1712
+#: project/templates/_macros.html:1714
 msgid "Remove event date"
 msgstr ""
 
-#: project/templates/_macros.html:1741 project/templates/event/create.html:176
+#: project/templates/_macros.html:1743 project/templates/event/create.html:176
 #: project/templates/event/update.html:99
 #: project/templates/widget/event_suggestion/create.html:129
 msgid "Enter organizer"
 msgstr ""
 
-#: project/templates/_macros.html:1765
+#: project/templates/_macros.html:1767
 msgid "Enter list name"
 msgstr ""
 
@@ -1415,6 +1443,7 @@ msgstr ""
 #: project/templates/admin/admin.html:3 project/templates/admin/admin.html:9
 #: project/templates/admin/admin_units.html:10
 #: project/templates/admin/email.html:65
+#: project/templates/admin/newsletter.html:92
 #: project/templates/admin/settings.html:10
 #: project/templates/admin/users.html:10 project/templates/layout.html:171
 msgid "Admin"
@@ -1502,8 +1531,7 @@ msgstr ""
 msgid "Organization invitations"
 msgstr ""
 
-#: project/templates/admin/admin.html:15 project/templates/admin/email.html:4
-#: project/templates/admin/email.html:66
+#: project/templates/admin/admin.html:15
 #: project/templates/admin/settings.html:4
 #: project/templates/admin/settings.html:11
 #: project/templates/admin_unit/update.html:6
@@ -1529,18 +1557,24 @@ msgid "Switch organization"
 msgstr ""
 
 #: project/templates/developer/read.html:4 project/templates/layout.html:310
-#: project/templates/profile.html:29
+#: project/templates/profile.html:33
 msgid "Developer"
 msgstr ""
 
 #: project/templates/profile.html:23
+#: project/templates/user/notifications.html:4
+#: project/templates/user/notifications.html:8
+msgid "Notifications"
+msgstr ""
+
+#: project/templates/profile.html:27
 msgid "Applications"
 msgstr ""
 
 #: project/templates/oauth2_client/list.html:4
 #: project/templates/oauth2_client/list.html:11
 #: project/templates/oauth2_client/read.html:11
-#: project/templates/profile.html:33
+#: project/templates/profile.html:37
 msgid "OAuth2 clients"
 msgstr ""
 
@@ -1561,7 +1595,7 @@ msgstr ""
 msgid "Edit"
 msgstr ""
 
-#: project/templates/admin/email.html:47 project/views/admin.py:119
+#: project/templates/admin/email.html:47 project/views/admin.py:122
 msgid "Mail sent successfully"
 msgstr ""
 
@@ -1573,6 +1607,10 @@ msgstr ""
 msgid "Send test mail asynchronously"
 msgstr ""
 
+#: project/templates/admin/newsletter.html:59
+msgid "Mails sent successfully"
+msgstr ""
+
 #: project/templates/admin_unit/create.html:58
 #: project/templates/admin_unit/update.html:59
 #: project/templates/event/create.html:347
@@ -1627,6 +1665,10 @@ msgstr ""
 msgid "this is a message from %(site_name)s."
 msgstr ""
 
+#: project/templates/email/newsletter.html:7
+msgid "Notification settings"
+msgstr ""
+
 #: project/templates/email/organization_invitation_accepted_notice.html:4
 #, python-format
 msgid ""
@@ -2036,20 +2078,26 @@ msgstr ""
 msgid "Preview"
 msgstr ""
 
-#: project/views/admin.py:55
+#: project/views/admin.py:58
 msgid "Organization successfully updated"
 msgstr ""
 
-#: project/views/admin.py:79 project/views/manage.py:361
+#: project/views/admin.py:82 project/views/manage.py:361
+#: project/views/user.py:27
 msgid "Settings successfully updated"
 msgstr ""
 
-#: project/views/admin.py:108
+#: project/views/admin.py:111
 #, python-format
 msgid "Test mail from %(site_name)s"
 msgstr ""
 
-#: project/views/admin.py:152
+#: project/views/admin.py:150
+#, python-format
+msgid "Newsletter from %(site_name)s"
+msgstr ""
+
+#: project/views/admin.py:200
 msgid "User successfully updated"
 msgstr ""
 
diff --git a/project/views/admin.py b/project/views/admin.py
index b31ba16..e36c89e 100644
--- a/project/views/admin.py
+++ b/project/views/admin.py
@@ -1,3 +1,4 @@
+from celery import group
 from flask import flash, redirect, render_template, request, url_for
 from flask_babelex import gettext
 from flask_security import roles_required
@@ -7,6 +8,7 @@ from sqlalchemy.sql import func
 from project import app, celery, db
 from project.base_tasks import send_mail_task
 from project.forms.admin import (
+    AdminNewsletterForm,
     AdminSettingsForm,
     AdminTestEmailForm,
     UpdateAdminUnitForm,
@@ -125,6 +127,51 @@ def admin_email():
     return render_template("admin/email.html", form=form)
 
 
+@app.route("/admin/newsletter", methods=["GET", "POST"])
+@roles_required("admin")
+def admin_newsletter():
+    form = AdminNewsletterForm()
+
+    if "poll" in request.args:  # pragma: no cover
+        try:
+            result = celery.GroupResult.restore(request.args["poll"])
+            ready = result.ready()
+            return {
+                "ready": ready,
+                "count": len(result.children),
+                "completed": result.completed_count(),
+                "successful": result.successful() if ready else None,
+            }
+        except Exception as e:
+            return {"ready": True, "successful": False, "error": str(e)}
+
+    if form.validate_on_submit():
+        subject = gettext(
+            "Newsletter from %(site_name)s",
+            site_name=app.config["SITE_NAME"],
+        )
+
+        if form.recipient_choice.data == 1:  # pragma: no cover
+            recipients = [form.test_recipient.data]
+        else:
+            users = (
+                User.query.filter(User.email != None)
+                .filter(User.confirmed_at != None)
+                .filter(User.newsletter_enabled)
+                .all()
+            )
+            recipients = [u.email for u in users]
+
+        result = group(
+            send_mail_task.s(r, subject, "newsletter", message=form.message.data)
+            for r in recipients
+        ).delay()
+        result.save()
+        return {"result_id": result.id}
+
+    return render_template("admin/newsletter.html", form=form)
+
+
 @app.route("/admin/users")
 @roles_required("admin")
 def admin_users():
diff --git a/project/views/user.py b/project/views/user.py
index f75e21d..4878dda 100644
--- a/project/views/user.py
+++ b/project/views/user.py
@@ -1,9 +1,12 @@
-from flask import render_template
-from flask_security import auth_required
+from flask import flash, redirect, render_template, url_for
+from flask_babelex import gettext
+from flask_security import auth_required, current_user
+from sqlalchemy.exc import SQLAlchemyError
 
-from project import app
-from project.models import AdminUnitInvitation
-from project.views.utils import get_invitation_access_result
+from project import app, db
+from project.forms.user import NotificationForm
+from project.models import AdminUnitInvitation, User
+from project.views.utils import get_invitation_access_result, handleSqlError
 
 
 @app.route("/profile")
@@ -12,6 +15,25 @@ def profile():
     return render_template("profile.html")
 
 
+@app.route("/user/notifications", methods=("GET", "POST"))
+@auth_required()
+def user_notifications():
+    user = User.query.get_or_404(current_user.id)
+    form = NotificationForm(obj=user)
+
+    if form.validate_on_submit():
+        try:
+            form.populate_obj(user)
+            db.session.commit()
+            flash(gettext("Settings successfully updated"), "success")
+            return redirect(url_for("profile"))
+        except SQLAlchemyError as e:  # pragma: no cover
+            db.session.rollback()
+            flash(handleSqlError(e), "danger")
+
+    return render_template("user/notifications.html", form=form)
+
+
 @app.route("/user/organization-invitations/<int:id>")
 def user_organization_invitation(id):
     invitation = AdminUnitInvitation.query.get_or_404(id)
diff --git a/tests/conftest.py b/tests/conftest.py
index d13c2df..fc462ab 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -14,6 +14,7 @@ def pytest_generate_tests(metafunc):
     os.environ["DATABASE_URL"] = os.environ.get(
         "TEST_DATABASE_URL", "postgresql://postgres@localhost/eventcally_tests"
     )
+    os.environ["REDIS_URL"] = os.environ.get("TEST_REDIS_URL", "redis://")
     os.environ["AUTHLIB_INSECURE_TRANSPORT"] = "1"
     os.environ[
         "JWT_PRIVATE_KEY"
diff --git a/tests/views/test_admin.py b/tests/views/test_admin.py
index 058971d..37aec2a 100644
--- a/tests/views/test_admin.py
+++ b/tests/views/test_admin.py
@@ -79,6 +79,28 @@ def test_admin_email(client, seeder, utils, app, mocker):
     utils.assert_send_mail_called(mail_mock, "test@test.de")
 
 
+def test_newsletter(app, utils, seeder):
+    user_id, admin_unit_id = seeder.setup_base(True)
+
+    for i in range(10):
+        seeder.create_user(f"test{i}@test.de")
+
+    url = utils.get_url("admin_newsletter")
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "recipient_choice": 2,
+            "message": "Message",
+        },
+    )
+
+    utils.assert_response_ok(response)
+    assert "result_id" in response.json
+
+
 def test_admin_users(client, seeder, utils, app):
     seeder.create_user(admin=True)
     user = utils.login()
diff --git a/tests/views/test_user.py b/tests/views/test_user.py
index b709df2..d9add97 100644
--- a/tests/views/test_user.py
+++ b/tests/views/test_user.py
@@ -65,3 +65,26 @@ def test_user_favorite_events(client, seeder, utils):
 
     url = utils.get_url("user_favorite_events")
     utils.get_ok(url)
+
+
+def test_user_notifications(client, seeder, utils, app):
+    user_id, admin_unit_id = seeder.setup_base()
+
+    url = utils.get_url("user_notifications")
+    response = utils.get_ok(url)
+
+    response = utils.post_form(
+        url,
+        response,
+        {
+            "newsletter_enabled": None,
+        },
+    )
+
+    utils.assert_response_redirect(response, "profile")
+
+    with app.app_context():
+        from project.models import User
+
+        place = User.query.get(user_id)
+        assert not place.newsletter_enabled

From 81f25446095bd8a75c9c3c72e8dd35fdfa703c4c Mon Sep 17 00:00:00 2001
From: Daniel Grams <grams.daniel@gmail.com>
Date: Tue, 28 Mar 2023 23:05:57 +0200
Subject: [PATCH 2/2] Add newsletter functionality #391

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e8f251d..6cefec5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -66,7 +66,7 @@ jobs:
         run: pytest --cov=project --splits 4 --group ${{ matrix.group }}
         env:
           TEST_DATABASE_URL: postgresql://postgres:postgres@localhost/eventcally_tests
-          TEST_REDIS_URL: redis://redis:6379
+          TEST_REDIS_URL: redis://localhost:6379
 
       - name: Upload coverage
         uses: actions/upload-artifact@v2