2022-06-19 19:24:29 +01:00
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from typing import Any
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2022-06-19 20:55:37 +01:00
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from django.db import models
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2022-07-10 18:42:16 +01:00
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from django.db.models.functions import TruncMonth
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2022-06-19 19:24:29 +01:00
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from django.http.request import HttpRequest
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2022-06-19 21:03:05 +01:00
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from django.utils import timezone
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2022-06-26 17:00:44 +01:00
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from django.utils.functional import cached_property
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2022-07-16 10:29:01 +01:00
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from modelcluster.fields import ParentalManyToManyField
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from wagtail.admin.panels import FieldPanel
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from wagtail.query import PageQuerySet
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from website.common.models import BaseContentMixin, BasePage
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from website.common.utils import TocEntry
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class BlogListPage(BaseContentMixin, BasePage): # type: ignore[misc]
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max_count = 1
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subpage_types = ["blog.BlogPostPage", "blog.BlogPostTagListPage"]
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content_panels = BasePage.content_panels + BaseContentMixin.content_panels
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@cached_property
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def reading_time(self) -> int:
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"""
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How does one read a list page?
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"""
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return 0
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@cached_property
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def table_of_contents(self) -> list[TocEntry]:
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post_months = [
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dt.strftime("%Y-%m")
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for dt in self.get_blog_posts()
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.annotate(post_month=TruncMonth("date", output_field=models.DateField()))
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.order_by("-post_month")
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.values_list("post_month", flat=True)
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.distinct()
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]
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return [TocEntry(post_month, post_month, 0, []) for post_month in post_months]
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def get_blog_posts(self) -> PageQuerySet:
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return BlogPostPage.objects.child_of(self).live() # type:ignore[attr-defined]
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def get_context(self, request: HttpRequest) -> dict:
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context = super().get_context(request)
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context["child_pages"] = (
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self.get_blog_posts()
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.select_related("hero_image")
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2022-07-12 22:45:50 +01:00
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.select_related("hero_unsplash_photo")
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.prefetch_related("tags")
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.order_by("-date")
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)
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return context
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class BlogPostPage(BaseContentMixin, BasePage): # type: ignore[misc]
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subpage_types: list[Any] = []
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parent_page_types = [BlogListPage]
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tags = ParentalManyToManyField("blog.BlogPostTagPage", blank=True)
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date = models.DateField(default=timezone.now)
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content_panels = (
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BasePage.content_panels
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+ BaseContentMixin.content_panels
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+ [FieldPanel("date"), FieldPanel("tags")]
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)
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class BlogPostTagListPage(BaseContentMixin, BasePage): # type: ignore[misc]
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max_count = 1
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parent_page_types = [BlogListPage]
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subpage_types = ["blog.BlogPostTagPage"]
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content_panels = BasePage.content_panels + BaseContentMixin.content_panels
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@cached_property
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def table_of_contents(self) -> list[TocEntry]:
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return [TocEntry(page.title, page.slug, 0, []) for page in self.get_tags()]
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def get_tags(self) -> PageQuerySet:
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return self.get_children().specific().live().order_by("title")
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def get_context(self, request: HttpRequest) -> dict:
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context = super().get_context(request)
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context["tags"] = self.get_children().specific().live().order_by("title")
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return context
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class BlogPostTagPage(BaseContentMixin, BasePage): # type: ignore[misc]
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subpage_types: list[Any] = []
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parent_page_types = [BlogPostTagListPage]
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content_panels = BasePage.content_panels + BaseContentMixin.content_panels
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@cached_property
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def table_of_contents(self) -> list[TocEntry]:
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return [
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TocEntry(page.title, page.slug, 0, []) for page in self.get_blog_posts()
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]
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def get_blog_posts(self) -> PageQuerySet:
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blog_list_page = (
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BlogListPage.objects.all().live().get() # type:ignore[attr-defined]
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)
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return blog_list_page.get_blog_posts().filter(tags=self).order_by("-date")
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def get_context(self, request: HttpRequest) -> dict:
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context = super().get_context(request)
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context["pages"] = self.get_blog_posts()
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return context
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