59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
from django.db.models import QuerySet
|
|
|
|
from Main.models import Solution
|
|
from SprintLib.BaseView import BaseView, AccessError
|
|
|
|
|
|
class SolutionsTableView(BaseView):
|
|
view_file = "solutions_table.html"
|
|
required_login = True
|
|
endpoint = "solutions_table"
|
|
page_size = 20
|
|
page = None
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.filters = [
|
|
self.filter_user,
|
|
self.filter_task,
|
|
self.filter_set,
|
|
]
|
|
self.queryset = Solution.objects.all()
|
|
|
|
def filter_user(self, queryset: QuerySet):
|
|
if 'username' in self.request.GET:
|
|
return queryset.filter(user__username=self.request.GET["username"])
|
|
return queryset
|
|
|
|
def filter_task(self, queryset: QuerySet):
|
|
if 'task_id' in self.request.GET:
|
|
return queryset.filter(task_id=int(self.request.GET['task_id']))
|
|
return queryset
|
|
|
|
def filter_set(self, queryset: QuerySet):
|
|
if 'set_id' in self.request.GET:
|
|
return queryset.filter()
|
|
return queryset
|
|
|
|
def pre_handle(self):
|
|
if 'page' not in self.request.GET:
|
|
raise AccessError()
|
|
self.page = int(self.request.GET['page'])
|
|
if "username" in self.request.GET and self.request.user.username == self.request.GET['username']:
|
|
return
|
|
if hasattr(self.entities, "set"):
|
|
if self.entities.set.creator != self.request.user:
|
|
raise AccessError()
|
|
if hasattr(self.entities, "task"):
|
|
if self.entities.task.creator != self.request.user and self.request.user.username not in self.entities.task.editors:
|
|
raise AccessError()
|
|
|
|
def get(self):
|
|
for fltr in self.filters:
|
|
self.queryset = fltr(self.queryset)
|
|
offset = self.page_size * (self.page - 1)
|
|
limit = self.page_size
|
|
self.context["solutions"] = self.queryset.order_by("-id")[offset:offset + limit]
|
|
self.context["count_pages"] = range(1, (len(self.queryset) - 1) // self.page_size + 2)
|
|
self.context["need_pagination"] = len(self.context["count_pages"]) > 1
|