I have a page that is a report, and at the top of that page is a form with
a 'from' and 'to' date field so that the user can select the date range to
report on. By default, the dates select and the first to the last of last
month. That works fine.
I want to add a combo that will allow the selection of a predefined period,
such as "last week". That works fine, too, but when selecting 'last week',
I want to update the 'to' and 'from' date fields accordingly, and I can't
make that work.
Here's an example with hardcoded dates for for simplicity:
def summary_report():
# Calculate default dates
last_day_last_month = (datetime.datetime.now().replace(day=1) -
datetime.timedelta(days=1)).date()
from_date = last_day_last_month.replace(day=1)
to_date = last_day_last_month
date_range_list = [
(0, "Select Date Range"),
(1, "Last Week"),
]
# Non-DB field definitions
from_date_field = Field('from_date', type='date', label=T('From date'))
to_date_field = Field('to_date', type='date', label=T('To date'))
date_range_field = Field('daterange', type='string', label=T('dr'))
date_range_field.requires = IS_IN_SET(date_range_list, zero=None)
# Build filter bar
filter_bar = SQLFORM.factory(
from_date_field, to_date_field, date_range_field,
formstyle='divs',
submit_button='Filter',
)
# Set defaults
filter_bar.vars.from_date = from_date
filter_bar.vars.to_date = to_date
# Submit form
filter_bar.validate(keepvalues=True,onvalidation=do_daterange)
from_date = filter_bar.vars.from_date
to_date = filter_bar.vars.to_date
# Build query
[...]
def do_daterange(filter_bar):
daterange = int(filter_bar.vars.daterange)
if daterange > 0:
filter_bar.vars.from_date = datetime.date(2017,1,1)
filter_bar.vars.to_date = datetime.date(2017,6,30)
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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