add the ingest_community_events_calender cronjob

[hhio618]

Description

• Add a cron job to ingest Gitcoin Community events calendar into the marketing.models.upcomingdate model.
• Add the ingest_community_events_calender management command with a url argument set default to this iCal link).

Refers/Fixes

Fixes: #7499

[hhio618]

Not sure about the default value to populate existing records!

[owocki]

cdoe seems fairly sane to me; how did you test this?

[hhio618]

Hi @owocki, I have some ideas for test cases. Do we need any particular testes here?
I'll add another commit to the pr.

[owocki]

92 events are created
0 events are updated
35 events are skipped
DONE
root@48b5e4512227:/code/app# ./manage.py ingest_community_events_calender
/usr/local/lib/python3.6/dist-packages/sorl/thumbnail/conf/__init__.py:16: RemovedInDjango30Warning: The DEFAULT_CONTENT_TYPE setting is deprecated.
  setattr(self, attr, getattr(obj, attr))
System check identified some issues:

WARNINGS:
?: (debug_toolbar.W001) debug_toolbar.middleware.DebugToolbarMiddleware is missing from MIDDLEWARE.
	HINT: Add debug_toolbar.middleware.DebugToolbarMiddleware to MIDDLEWARE.
marketing.UpcomingDate.last_modified: (fields.W161) Fixed default value provided.
	HINT: It seems you set a fixed date / time / datetime value as default for this field. This may not be what you want. If you want to have the current date as default, use `django.utils.timezone.now`
0 events are created
0 events are updated
127 events are skipped

amazing! LGTM

[danlipert]

Hey @hhio618 - looks like the tests were either failing when we merged this PR in, or started failing shortly thereafter. Can you take a look at the tests I removed here and see whats up? Thanks! #7727

[hhio618]

@danlipert No worries, I'll check it out.