Ross
90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
from typing import List
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from django.contrib.auth.mixins import UserPassesTestMixin
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from django.contrib.auth.models import User
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from django.db import models
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class SuperuserRequiredMixin(UserPassesTestMixin):
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def test_func(self):
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return self.request.user.is_superuser
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class CheckCanEditMixin():
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context["can_edit"] = self.object.check_user_can_edit(self.request.user)
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return context
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class QuestionMixin():
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def get_app_name(self):
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raise NotImplementedError("You must implement get_app_name in the derived class")
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def get_base_template(self):
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return f"{self.get_app_name()}/base.html"
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def get_link_headers(self):
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return f"{self.get_app_name()}/question_link_header.html"
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class AuthorMixin():
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"""Mixin class for models that have authors
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requires an author many to many field to be defined on the derived class
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"""
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author = models.ManyToManyField(User) # Corrected typing
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def get_author_objects(self) -> List[User]: # Updated type hint
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"""Returns list of author objects"""
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authors = [i for i in self.author.all()]
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return authors
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def get_authors(self):
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"""Returns a comma separated text list of authors as usernames.
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"""
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authors = ", ".join([i.username for i in self.author.all()])
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if not authors:
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return "None"
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return authors
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def add_authors(self, users : List[User]):
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"""Add an author to the object"""
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self.author.add(*users)
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def add_author(self, user: User):
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"""Add an author to the object"""
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self.author.add(user)
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def remove_author(self, user: User):
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"""Remove an author from the object"""
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self.author.remove(user)
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def is_author(self, user: User) -> bool:
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"""Returns True if the user is an author of the object"""
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if user.is_superuser:
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return True
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return self.author.filter(id=user.id).exists()
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class UserConfigurablePaginationMixin:
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default_per_page = 25
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allowed_per_page = [25, 50, 100, 250, 500]
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def get_table_pagination(self, table):
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try:
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per_page = int(self.request.GET.get("per_page", self.default_per_page))
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if per_page not in self.allowed_per_page:
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per_page = self.default_per_page
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except (TypeError, ValueError):
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per_page = self.default_per_page
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return {"per_page": per_page}
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context["page_sizes"] = [25, 50, 100, 250, 500]
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return context |