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79 lines
3.3 KiB
Python
79 lines
3.3 KiB
Python
from wtforms import DateTimeField, SelectMultipleField
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from wtforms.widgets import html_params, HTMLString, ListWidget, CheckboxInput
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import pytz
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from datetime import datetime
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from flask_babelex import to_user_timezone
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from dateutils import berlin_tz
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class MultiCheckboxField(SelectMultipleField):
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widget = ListWidget(prefix_label=False)
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option_widget = CheckboxInput()
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def create_option_string(count, value):
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result = ""
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for i in range(count):
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selected = " selected" if i == value else ""
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result = result + '<option value="%02d"%s>%02d</option>' % (i, selected, i)
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return result
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class CustomDateTimeWidget:
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def __call__(self, field, **kwargs):
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id = kwargs.pop('id', field.id)
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date = ''
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hour = minute = 0
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if field.data:
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date_value = to_user_timezone(field.data)
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date = date_value.strftime("%Y-%m-%d")
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hour = date_value.hour
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minute = date_value.minute
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date_params = html_params(name=field.name, id=id, value=date, **kwargs)
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time_hour_params = html_params(name=field.name, id=id + '-hour', **kwargs)
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time_minute_params = html_params(name=field.name, id=id + '-minute', **kwargs)
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clear_button_id = id + '-clear-button'
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return HTMLString('<div class="input-group-prepend mt-1"><input type="text" class="datepicker" {}/><button class="btn btn-outline-secondary" type="button" id="{}"><i class="fa fa-times"></i></button></div><div class="mx-2"></div><div class="input-group-append mt-1"><select {}>{}</select><span class="input-group-text">:</span><select {}>{}</select></div>'.format(date_params, clear_button_id, time_hour_params, create_option_string(24, hour), time_minute_params, create_option_string(60, minute)))
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class CustomDateTimeField(DateTimeField):
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widget = CustomDateTimeWidget()
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def process_formdata(self, valuelist):
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if valuelist:
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try:
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date_str, hour_str, minute_str = valuelist
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if not date_str:
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self.data = None
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return
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date = datetime.strptime(date_str, "%Y-%m-%d")
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date_time = datetime(date.year, date.month, date.day, int(hour_str), int(minute_str))
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self.data = berlin_tz.localize(date_time)
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except:
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raise ValueError('Not a valid datetime value. Looking for YYYY-MM-DD HH:mm.')
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class CustomDateWidget:
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def __call__(self, field, **kwargs):
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id = kwargs.pop('id', field.id)
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date = ''
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if field.data:
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date_value = to_user_timezone(field.data)
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date = date_value.strftime("%Y-%m-%d")
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date_params = html_params(name=field.name, id=id, value=date, **kwargs)
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return HTMLString('<input type="text" {}/>'.format(date_params))
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class CustomDateField(DateTimeField):
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widget = CustomDateWidget()
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def process_formdata(self, valuelist):
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if valuelist:
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try:
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date_str = valuelist[0]
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if not date_str:
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self.data = None
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return
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date = datetime.strptime(date_str, "%Y-%m-%d")
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self.data = berlin_tz.localize(date)
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except:
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raise ValueError('Not a valid date value. Looking for YYYY-MM-DD.')
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