chore: another god module down
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167
lib/bds/rendering/post_rendering.ex
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167
lib/bds/rendering/post_rendering.ex
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defmodule BDS.Rendering.PostRendering do
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@moduledoc false
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alias BDS.Rendering.Filters
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alias BDS.Rendering.LinksAndLanguages
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alias BDS.Rendering.Metadata, as: RenderMetadata
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alias BDS.Rendering.TemplateSelection
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alias BDS.Posts.Post
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alias BDS.Posts.Translation
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alias BDS.Repo
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def post_assigns(project_id, assigns) do
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metadata = RenderMetadata.project_metadata(project_id)
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template_context = TemplateSelection.template_render_context(project_id)
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language =
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Map.get(assigns, :language, Map.get(assigns, "language", metadata.main_language || "en"))
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main_language = metadata.main_language || language
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post_record = load_post_record(assigns)
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canonical_post = canonical_post_record(post_record)
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post_id = canonical_post_id(post_record, assigns)
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post_categories = Map.get(post_record || %{}, :categories, []) || []
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post_tags = Map.get(post_record || %{}, :tags, []) || []
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canonical_post_paths = LinksAndLanguages.canonical_post_path_by_slug(project_id, main_language)
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canonical_media_paths = LinksAndLanguages.canonical_media_path_by_source_path(project_id)
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raw_content = Map.get(assigns, :content, Map.get(assigns, "content"))
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rendered_content = render_post_content(raw_content, canonical_post_paths, canonical_media_paths, language, template_context)
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incoming_links = LinksAndLanguages.link_contexts(project_id, post_id, :incoming, main_language)
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outgoing_links = LinksAndLanguages.link_contexts(project_id, post_id, :outgoing, main_language)
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post_assigns =
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assigns
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|> Map.put(:content, rendered_content)
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|> Map.put(:raw_content, raw_content)
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%{
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language: language,
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language_prefix:
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Map.get(
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assigns,
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:language_prefix,
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Map.get(assigns, "language_prefix", LinksAndLanguages.language_prefix(language, main_language))
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),
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page_title:
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Map.get(
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assigns,
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:page_title,
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Map.get(assigns, "page_title", Map.get(assigns, :title, Map.get(assigns, "title")))
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),
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pico_stylesheet_href:
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Map.get(
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assigns,
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:pico_stylesheet_href,
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Map.get(assigns, "pico_stylesheet_href", RenderMetadata.default_pico_stylesheet_href(metadata.pico_theme))
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),
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html_theme_attribute:
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Map.get(
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assigns,
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:html_theme_attribute,
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Map.get(assigns, "html_theme_attribute")
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),
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blog_languages: RenderMetadata.blog_languages(metadata, language),
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alternate_links: RenderMetadata.alternate_links(canonical_post, project_id, main_language),
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menu_items: RenderMetadata.menu_items(project_id),
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calendar_initial_year: RenderMetadata.calendar_initial_year(post_record),
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calendar_initial_month: RenderMetadata.calendar_initial_month(post_record),
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post_categories: post_categories,
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post_tags: post_tags,
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tag_color_by_name: RenderMetadata.tag_color_by_name(project_id),
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backlinks: RenderMetadata.backlinks(incoming_links),
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canonical_post_path_by_slug: canonical_post_paths,
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canonical_media_path_by_source_path: canonical_media_paths,
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post_data_json_by_id: post_data_json(post_assigns, post_record),
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post: build_post_context(post_assigns, post_record, incoming_links, outgoing_links)
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}
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end
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def load_post_record(assigns) do
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case Map.get(assigns, :id, Map.get(assigns, "id")) do
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nil -> nil
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post_id -> Repo.get(Post, post_id) || Repo.get(Translation, post_id)
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end
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end
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defp canonical_post_record(%Translation{translation_for: post_id}), do: Repo.get(Post, post_id)
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defp canonical_post_record(%Post{} = post), do: post
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defp canonical_post_record(_other), do: nil
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defp canonical_post_id(%Translation{translation_for: post_id}, _assigns), do: post_id
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defp canonical_post_id(%Post{id: post_id}, _assigns), do: post_id
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defp canonical_post_id(_post_record, assigns), do: Map.get(assigns, :id, Map.get(assigns, "id"))
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defp post_data_json(assigns, post_record) do
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id = Map.get(assigns, :id, Map.get(assigns, "id"))
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if is_binary(id) do
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incoming_links = LinksAndLanguages.link_contexts(Map.get(post_record || %{}, :project_id), canonical_post_id(post_record, assigns), :incoming, Map.get(post_record || %{}, :language))
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outgoing_links = LinksAndLanguages.link_contexts(Map.get(post_record || %{}, :project_id), canonical_post_id(post_record, assigns), :outgoing, Map.get(post_record || %{}, :language))
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%{
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id => post_data_json_value(build_post_context(assigns, post_record, incoming_links, outgoing_links))
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}
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else
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%{}
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end
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end
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def post_data_json_value(post_context) do
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Jason.encode!(%{
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id: Map.get(post_context, :id),
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title: Map.get(post_context, :title),
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slug: Map.get(post_context, :slug),
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excerpt: Map.get(post_context, :excerpt),
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author: Map.get(post_context, :author),
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language: Map.get(post_context, :language),
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published_at: Map.get(post_context, :published_at),
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created_at: Map.get(post_context, :created_at),
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updated_at: Map.get(post_context, :updated_at),
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tags: Map.get(post_context, :tags, []),
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categories: Map.get(post_context, :categories, [])
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})
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end
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defp build_post_context(assigns, post_record, incoming_links, outgoing_links) do
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%{
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id: Map.get(assigns, :id, Map.get(assigns, "id")),
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slug: Map.get(assigns, :slug, Map.get(assigns, "slug")),
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title: Map.get(assigns, :title, Map.get(assigns, "title")),
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content: Map.get(assigns, :content, Map.get(assigns, "content")),
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raw_content: Map.get(assigns, :raw_content, Map.get(assigns, "raw_content")),
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excerpt:
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Map.get(
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assigns,
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:excerpt,
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Map.get(assigns, "excerpt", Map.get(post_record || %{}, :excerpt))
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),
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author: Map.get(post_record || %{}, :author),
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language:
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Map.get(
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assigns,
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:language,
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Map.get(assigns, "language", Map.get(post_record || %{}, :language))
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),
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show_title: true,
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published_at: Map.get(post_record || %{}, :published_at),
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created_at: Map.get(post_record || %{}, :created_at),
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updated_at: Map.get(post_record || %{}, :updated_at),
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tags: Map.get(post_record || %{}, :tags, []) || [],
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categories: Map.get(post_record || %{}, :categories, []) || [],
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template_slug:
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Map.get(
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post_record || %{},
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:template_slug,
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Map.get(assigns, :template_slug, Map.get(assigns, "template_slug"))
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),
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do_not_translate: Map.get(post_record || %{}, :do_not_translate, false),
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linked_media: [],
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outgoing_links: outgoing_links,
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incoming_links: incoming_links
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}
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end
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def render_post_content(content, canonical_post_paths, canonical_media_paths, language, template_context) do
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Filters.render_markdown(content, canonical_post_paths, canonical_media_paths, language, template_context)
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end
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end
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