99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
import math
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from typing import Any
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from django.db import models
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from django.http.request import HttpRequest
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from django.utils.functional import cached_property, classproperty
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from wagtail.admin.panels import FieldPanel
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from wagtail.fields import StreamField
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from wagtail.images import get_image_model_string
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from wagtail.models import Page
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from website.common.utils import count_words
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from .streamfield import add_heading_anchors, get_blocks, get_content_html
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from .utils import TocEntry, extract_text, get_table_of_contents, truncate_string
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class BasePage(Page):
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show_in_menus_default = True
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HERO_IMAGE_SIZE = "width-1200"
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class Meta:
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abstract = True
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@classproperty
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def body_class(cls) -> str:
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return "page-" + cls._meta.db_table.replace("_", "-")
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def get_parent_pages(self) -> models.QuerySet[Page]:
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"""
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Shim over the fact everything is in 1 tree
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"""
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return self.get_ancestors().reverse().exclude(depth__lte=2)
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class BaseContentMixin(models.Model):
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subtitle = models.CharField(max_length=255, blank=True)
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hero_image = models.ForeignKey(
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get_image_model_string(), null=True, blank=True, on_delete=models.SET_NULL
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)
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body = StreamField(get_blocks(), blank=True, use_json_field=True)
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content_panels = [
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FieldPanel("subtitle"),
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FieldPanel("hero_image"),
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FieldPanel("body"),
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]
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class Meta:
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abstract = True
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@cached_property
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def table_of_contents(self) -> list[TocEntry]:
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return get_table_of_contents(self.content_html)
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@cached_property
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def reading_time(self) -> int:
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"""
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https://help.medium.com/hc/en-us/articles/214991667-Read-time
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"""
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return int(math.ceil(self.word_count / 265))
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@cached_property
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def word_count(self) -> int:
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return count_words(self.plain_text)
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@cached_property
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def summary(self) -> str:
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return truncate_string(self.plain_text, 50)
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@cached_property
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def body_html(self) -> str:
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return add_heading_anchors(str(self.body))
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@cached_property
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def content_html(self) -> str:
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return get_content_html(self.body_html)
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@cached_property
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def plain_text(self) -> str:
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return extract_text(self.content_html)
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class ContentPage(BasePage, BaseContentMixin): # type: ignore[misc]
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subpage_types: list[Any] = []
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content_panels = BasePage.content_panels + BaseContentMixin.content_panels
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class ListingPage(BasePage, BaseContentMixin): # type: ignore[misc]
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content_panels = BasePage.content_panels + BaseContentMixin.content_panels
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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_children().live().specific().select_related("hero_image")
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)
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return context
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