Source code for oioioi.programs.processors

from django.template.context_processors import csrf
from django.template.loader import render_to_string
from django.utils.functional import lazy

from oioioi.contests.utils import (
    can_enter_contest,
    contest_exists,
    has_any_submittable_problem,
)
from oioioi.programs.controllers import ProgrammingContestController


def drag_and_drop_processor(request):
    if request.resolver_match is None:
        return {}

    # here add names of named URLs (as in patterns in urls.py)
    # for which drag and drop zone will be hidden
    urls_to_hide = ['testrun_submit']
    current_url_name = request.resolver_match.url_name

    if current_url_name in urls_to_hide:
        return {}

    def ddzone_generator():
        # show drag and drop zone only for contest with submitting some files
        if (
            not hasattr(request, 'contest')
            or not hasattr(request.contest, 'controller')
            or not isinstance(request.contest.controller, ProgrammingContestController)
        ):
            return ''
        # do not show drag and drop zone when no available problems
        # (the following require controller in request)
        if (
            not has_any_submittable_problem(request)
            or not contest_exists(request)
            or not can_enter_contest(request)
            or getattr(request, 'hide_drag_and_drop', False)
        ):
            return ''

        c = {'contest_id': request.contest.id}
        c.update(csrf(request))
        return render_to_string('programs/drag_and_drop.html', c)

    return {'extra_footer_drag_and_drop': lazy(ddzone_generator, str)()}