709 lines
25 KiB
Elixir
709 lines
25 KiB
Elixir
defmodule BDS.Rendering do
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@moduledoc false
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import Ecto.Query
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alias BDS.Frontmatter
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alias BDS.Media.Media, as: MediaAsset
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alias BDS.Menu
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alias BDS.Metadata
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alias BDS.PostLinks
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alias BDS.Projects
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alias BDS.I18n
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alias BDS.Rendering.FileSystem
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alias BDS.Rendering.Filters
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alias BDS.Repo
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alias BDS.Posts.Post
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alias BDS.Posts.Translation
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alias BDS.Tags.Tag
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alias BDS.Templates.Template
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def render_post_page(project_id, template_slug, assigns)
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when is_binary(project_id) and is_map(assigns) do
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with {:ok, template_source} <- load_template_source(project_id, :post, template_slug),
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{:ok, rendered} <-
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render_template(project_id, template_source, post_assigns(project_id, assigns)) do
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{:ok, rendered}
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end
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end
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def render_list_page(project_id, assigns) when is_binary(project_id) and is_map(assigns) do
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with {:ok, template_source} <- load_template_source(project_id, :list, nil),
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{:ok, rendered} <-
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render_template(project_id, template_source, list_assigns(project_id, assigns)) do
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{:ok, rendered}
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end
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end
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def render_not_found_page(project_id, assigns \\ %{})
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when is_binary(project_id) and is_map(assigns) do
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with {:ok, template_source} <- load_template_source(project_id, :not_found, nil),
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{:ok, rendered} <-
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render_template(project_id, template_source, not_found_assigns(project_id, assigns)) do
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{:ok, rendered}
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end
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end
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defp load_template_source(project_id, kind, slug) do
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case select_template(project_id, kind, slug) do
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nil -> {:error, :template_not_found}
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%Template{} = template -> published_template_body(template)
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end
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end
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defp select_template(project_id, kind, slug) when is_binary(slug) and slug != "" do
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Repo.one(
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from template in Template,
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where:
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template.project_id == ^project_id and template.kind == ^kind and
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template.status == :published and
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template.enabled == true and template.slug == ^slug,
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limit: 1
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) || select_template(project_id, kind, nil)
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end
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defp select_template(project_id, kind, nil) do
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Repo.one(
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from template in Template,
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where:
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template.project_id == ^project_id and template.kind == ^kind and
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template.status == :published and
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template.enabled == true,
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order_by: [asc: template.created_at, asc: template.slug],
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limit: 1
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)
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end
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defp published_template_body(%Template{content: content}) when is_binary(content),
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do: {:ok, content}
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defp published_template_body(%Template{} = template) do
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project = Projects.get_project!(template.project_id)
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full_path = Path.join(Projects.project_data_dir(project), template.file_path)
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case File.read(full_path) do
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{:ok, contents} ->
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case Frontmatter.parse_document(contents) do
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{:ok, %{body: body}} -> {:ok, body}
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{:error, reason} -> {:error, reason}
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end
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{:error, reason} ->
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{:error, reason}
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end
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end
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defp render_template(project_id, source, assigns) do
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with {:ok, template_ast} <- Liquex.parse(source) do
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project = Projects.get_project!(project_id)
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template_root = Path.join(Projects.project_data_dir(project), "templates")
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context =
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Liquex.Context.new(assigns,
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static_environment: assigns,
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filter_module: Filters,
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file_system: FileSystem.new(template_root)
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)
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{result, _context} = Liquex.render!(template_ast, context)
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{:ok, IO.iodata_to_binary(result)}
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end
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rescue
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error -> {:error, error}
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end
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defp post_assigns(project_id, assigns) do
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metadata = project_metadata(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 = canonical_post_path_by_slug(project_id, main_language)
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canonical_media_paths = canonical_media_path_by_source_path(project_id)
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incoming_links = link_contexts(project_id, post_id, :incoming, main_language)
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outgoing_links = link_contexts(project_id, post_id, :outgoing, main_language)
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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", 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: default_pico_stylesheet_href(),
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html_theme_attribute: html_theme_attribute(metadata.pico_theme),
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blog_languages: blog_languages(metadata, language),
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alternate_links: alternate_links(canonical_post, project_id, main_language),
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menu_items: menu_items(project_id),
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calendar_initial_year: calendar_initial_year(post_record),
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calendar_initial_month: 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: tag_color_by_name(project_id),
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backlinks: 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(assigns, post_record),
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post: build_post_context(assigns, post_record, incoming_links, outgoing_links)
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}
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end
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defp list_assigns(project_id, assigns) do
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metadata = project_metadata(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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posts = normalize_list_posts(Map.get(assigns, :posts, Map.get(assigns, "posts", [])))
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archive_context = Map.get(assigns, :archive_context, Map.get(assigns, "archive_context", %{}))
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pagination =
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normalize_pagination(Map.get(assigns, :pagination, Map.get(assigns, "pagination")), posts)
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canonical_post_paths = canonical_post_path_by_slug(project_id, main_language)
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canonical_media_paths = canonical_media_path_by_source_path(project_id)
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day_blocks = build_day_blocks(posts)
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min_date = min_date(posts)
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max_date = max_date(posts)
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normalized_archive_context = normalize_archive_context(archive_context)
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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", language_prefix(language, main_language))
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),
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page_title: Map.get(assigns, :page_title, Map.get(assigns, "page_title")),
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posts: posts,
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pico_stylesheet_href: default_pico_stylesheet_href(),
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html_theme_attribute: html_theme_attribute(metadata.pico_theme),
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blog_languages: blog_languages(metadata, language),
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alternate_links: [],
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menu_items: menu_items(project_id),
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calendar_initial_year: calendar_initial_year_from_posts(posts),
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calendar_initial_month: calendar_initial_month_from_posts(posts),
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archive_context: normalized_archive_context,
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show_archive_range_heading: show_archive_range_heading?(normalized_archive_context, day_blocks),
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min_date: min_date,
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max_date: max_date,
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is_list_page: true,
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is_first_page: pagination.current_page <= 1,
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is_last_page: pagination.current_page >= pagination.total_pages,
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has_prev_page: pagination.has_prev_page,
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has_next_page: pagination.has_next_page,
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prev_page_href: pagination.prev_page_href,
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next_page_href: pagination.next_page_href,
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current_page: pagination.current_page,
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total_pages: pagination.total_pages,
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total_items: pagination.total_items,
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items_per_page: pagination.items_per_page,
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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:
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Enum.into(posts, %{}, fn post -> {post.id, post_data_json_value(post)} end),
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day_blocks: day_blocks
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}
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end
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defp not_found_assigns(project_id, assigns) do
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metadata = project_metadata(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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%{
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page_title: Map.get(assigns, :page_title, Map.get(assigns, "page_title", "404")),
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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", language_prefix(language, main_language))
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),
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pico_stylesheet_href: default_pico_stylesheet_href(),
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html_theme_attribute: html_theme_attribute(metadata.pico_theme),
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blog_languages: blog_languages(metadata, language),
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menu_items: menu_items(project_id),
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alternate_links: [],
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not_found_message:
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Map.get(
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assigns,
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:not_found_message,
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Map.get(
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assigns,
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"not_found_message",
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I18n.translate(language, "render.notFound.message")
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)
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),
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not_found_back_label:
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Map.get(
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assigns,
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:not_found_back_label,
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Map.get(
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assigns,
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"not_found_back_label",
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I18n.translate(language, "render.notFound.back")
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)
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)
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}
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end
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defp project_metadata(project_id) do
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case Metadata.get_project_metadata(project_id) do
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{:ok, metadata} -> metadata
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_other -> %{main_language: "en", blog_languages: [], pico_theme: nil}
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end
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end
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defp menu_items(project_id) do
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case Menu.get_menu(project_id) do
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{:ok, %{items: items}} -> Enum.map(items, &to_template_menu_item/1)
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_other -> []
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end
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end
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defp to_template_menu_item(item) do
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kind = Map.get(item, :kind)
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children = Enum.map(Map.get(item, :children, []), &to_template_menu_item/1)
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%{
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title: Map.get(item, :label, ""),
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href: menu_item_href(item),
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has_children: children != [],
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children: children,
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kind: kind
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}
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end
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defp menu_item_href(%{kind: :home}), do: "/"
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defp menu_item_href(%{kind: :page, slug: slug}) when is_binary(slug) and slug != "",
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do: "/#{slug}/"
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defp menu_item_href(%{kind: :category_archive, slug: slug}) when is_binary(slug) and slug != "",
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do: "/category/#{URI.encode(slug)}/"
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defp menu_item_href(%{kind: :submenu}), do: "#"
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defp menu_item_href(_item), do: "#"
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defp blog_languages(metadata, current_language) do
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([metadata.main_language] ++ (metadata.blog_languages || []))
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|> Enum.reject(&(&1 in [nil, ""]))
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|> Enum.uniq()
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|> Enum.map(fn language ->
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normalized = I18n.normalize_language(language)
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href_prefix = language_prefix(normalized, metadata.main_language || current_language)
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%{
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code: normalized,
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flag: I18n.flag(normalized),
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href: href_for_language(href_prefix),
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href_prefix: href_prefix,
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is_current: normalized == I18n.normalize_language(current_language)
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}
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end)
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end
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defp tag_color_by_name(project_id) do
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Repo.all(from tag in Tag, where: tag.project_id == ^project_id, select: {tag.name, tag.color})
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|> Enum.into(%{}, fn {name, color} -> {name, color} end)
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end
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defp 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 = 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 = 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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defp 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 canonical_post_path_by_slug(project_id, main_language) do
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posts =
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Repo.all(
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from post in Post, where: post.project_id == ^project_id and post.status == :published
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)
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translations =
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Repo.all(
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from translation in Translation,
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where: translation.project_id == ^project_id and translation.status == :published
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)
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post_by_id = Map.new(posts, fn post -> {post.id, post} end)
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post_paths =
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Enum.into(posts, %{}, fn post ->
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{post.slug, post_path(post, nil)}
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end)
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Enum.reduce(translations, post_paths, fn translation, acc ->
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case Map.get(post_by_id, translation.translation_for) do
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nil -> acc
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post -> Map.put(acc, post.slug, post_path(post, translation.language, main_language))
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end
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end)
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end
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defp alternate_links(nil, _project_id, _main_language), do: []
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defp alternate_links(%Post{} = post, project_id, main_language) do
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translations =
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Repo.all(
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from translation in Translation,
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where:
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translation.project_id == ^project_id and
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translation.translation_for == ^post.id and
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translation.status == :published,
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order_by: [asc: translation.language]
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)
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[%{href: post_path(post, nil), hreflang: normalize_language(post.language, main_language)}] ++
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Enum.map(translations, fn translation ->
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%{href: post_path(post, translation.language, main_language), hreflang: translation.language}
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end)
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end
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defp backlinks(incoming_links) do
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Enum.map(incoming_links, fn link ->
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%{path: link.href, display_slug: link.display_slug, title: link.title}
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end)
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end
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defp link_contexts(_project_id, nil, _direction, _main_language), do: []
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defp link_contexts(project_id, post_id, :incoming, main_language) do
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PostLinks.list_incoming_links(post_id)
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|> Enum.map(&link_context(project_id, &1, :incoming, main_language))
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|> Enum.reject(&is_nil/1)
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end
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defp link_contexts(project_id, post_id, :outgoing, main_language) do
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PostLinks.list_outgoing_links(post_id)
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|> Enum.map(&link_context(project_id, &1, :outgoing, main_language))
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|> Enum.reject(&is_nil/1)
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end
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defp link_context(_project_id, link, direction, main_language) do
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linked_post_id =
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case direction do
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:incoming -> link.source_post_id
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:outgoing -> link.target_post_id
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end
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case Repo.get(Post, linked_post_id) do
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nil -> nil
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linked_post -> %{href: post_path(linked_post, nil), title: linked_post.title, display_slug: linked_post.slug, language: normalize_language(linked_post.language, main_language)}
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end
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end
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defp canonical_media_path_by_source_path(project_id) do
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Repo.all(from media in MediaAsset, where: media.project_id == ^project_id)
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|> Enum.reduce(%{}, fn media, acc ->
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datetime = DateTime.from_unix!(media.created_at)
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source_key =
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Path.join([
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"media",
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Integer.to_string(datetime.year),
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String.pad_leading(Integer.to_string(datetime.month), 2, "0"),
|
|
media.original_name
|
|
])
|
|
|> String.downcase()
|
|
|
|
Map.put(acc, source_key, "/" <> media.file_path)
|
|
end)
|
|
end
|
|
|
|
defp post_path(post, language_prefix)
|
|
when is_binary(language_prefix) and language_prefix != "" do
|
|
language_prefix <> post_path(post, nil)
|
|
end
|
|
|
|
defp post_path(post, nil) do
|
|
datetime = DateTime.from_unix!(post.created_at)
|
|
|
|
Path.join([
|
|
Integer.to_string(datetime.year),
|
|
String.pad_leading(Integer.to_string(datetime.month), 2, "0"),
|
|
String.pad_leading(Integer.to_string(datetime.day), 2, "0"),
|
|
post.slug,
|
|
"index.html"
|
|
])
|
|
|> then(&("/" <> String.trim_trailing(&1, "index.html")))
|
|
end
|
|
|
|
defp post_path(post, language, main_language) do
|
|
prefix = language_prefix(language, main_language)
|
|
post_path(post, prefix)
|
|
end
|
|
|
|
defp normalize_list_posts(posts) do
|
|
Enum.map(posts, fn post ->
|
|
post_record = load_post_record(post)
|
|
|
|
%{
|
|
id: Map.get(post, :id, Map.get(post, "id")),
|
|
slug: Map.get(post, :slug, Map.get(post, "slug")),
|
|
title: Map.get(post, :title, Map.get(post, "title")),
|
|
content:
|
|
Map.get(
|
|
post,
|
|
:content,
|
|
Map.get(post, "content", Map.get(post, :excerpt, Map.get(post, "excerpt", "")))
|
|
),
|
|
excerpt:
|
|
Map.get(post, :excerpt, Map.get(post, "excerpt", Map.get(post_record || %{}, :excerpt))),
|
|
author: Map.get(post, :author, Map.get(post, "author", Map.get(post_record || %{}, :author))),
|
|
language:
|
|
Map.get(
|
|
post,
|
|
:language,
|
|
Map.get(post, "language", Map.get(post_record || %{}, :language))
|
|
),
|
|
published_at:
|
|
Map.get(post, :published_at, Map.get(post, "published_at", Map.get(post_record || %{}, :published_at))),
|
|
created_at:
|
|
Map.get(post, :created_at, Map.get(post, "created_at", Map.get(post_record || %{}, :created_at))),
|
|
updated_at:
|
|
Map.get(post, :updated_at, Map.get(post, "updated_at", Map.get(post_record || %{}, :updated_at))),
|
|
tags: Map.get(post, :tags, Map.get(post, "tags", Map.get(post_record || %{}, :tags, []))) || [],
|
|
categories:
|
|
Map.get(post, :categories, Map.get(post, "categories", Map.get(post_record || %{}, :categories, []))) || [],
|
|
template_slug:
|
|
Map.get(post, :template_slug, Map.get(post, "template_slug", Map.get(post_record || %{}, :template_slug))),
|
|
do_not_translate:
|
|
Map.get(post, :do_not_translate, Map.get(post, "do_not_translate", Map.get(post_record || %{}, :do_not_translate, false))),
|
|
href: Map.get(post, :href, Map.get(post, "href")),
|
|
show_title: true,
|
|
linked_media: [],
|
|
outgoing_links: [],
|
|
incoming_links: []
|
|
}
|
|
end)
|
|
end
|
|
|
|
defp build_post_context(assigns, post_record, incoming_links, outgoing_links) do
|
|
%{
|
|
id: Map.get(assigns, :id, Map.get(assigns, "id")),
|
|
slug: Map.get(assigns, :slug, Map.get(assigns, "slug")),
|
|
title: Map.get(assigns, :title, Map.get(assigns, "title")),
|
|
content: Map.get(assigns, :content, Map.get(assigns, "content")),
|
|
excerpt:
|
|
Map.get(
|
|
assigns,
|
|
:excerpt,
|
|
Map.get(assigns, "excerpt", Map.get(post_record || %{}, :excerpt))
|
|
),
|
|
author: Map.get(post_record || %{}, :author),
|
|
language:
|
|
Map.get(
|
|
assigns,
|
|
:language,
|
|
Map.get(assigns, "language", Map.get(post_record || %{}, :language))
|
|
),
|
|
show_title: true,
|
|
published_at: Map.get(post_record || %{}, :published_at),
|
|
created_at: Map.get(post_record || %{}, :created_at),
|
|
updated_at: Map.get(post_record || %{}, :updated_at),
|
|
tags: Map.get(post_record || %{}, :tags, []) || [],
|
|
categories: Map.get(post_record || %{}, :categories, []) || [],
|
|
template_slug:
|
|
Map.get(
|
|
post_record || %{},
|
|
:template_slug,
|
|
Map.get(assigns, :template_slug, Map.get(assigns, "template_slug"))
|
|
),
|
|
do_not_translate: Map.get(post_record || %{}, :do_not_translate, false),
|
|
linked_media: [],
|
|
outgoing_links: outgoing_links,
|
|
incoming_links: incoming_links
|
|
}
|
|
end
|
|
|
|
defp normalize_pagination(nil, posts) do
|
|
total_items = length(posts)
|
|
|
|
%{
|
|
current_page: 1,
|
|
total_pages: 1,
|
|
total_items: total_items,
|
|
items_per_page: total_items,
|
|
has_prev_page: false,
|
|
prev_page_href: "",
|
|
has_next_page: false,
|
|
next_page_href: ""
|
|
}
|
|
end
|
|
|
|
defp normalize_pagination(%{} = pagination, posts) do
|
|
total_items =
|
|
Map.get(pagination, :total_items, Map.get(pagination, "total_items", length(posts)))
|
|
|
|
items_per_page =
|
|
Map.get(pagination, :items_per_page, Map.get(pagination, "items_per_page", total_items))
|
|
|
|
%{
|
|
current_page: Map.get(pagination, :current_page, Map.get(pagination, "current_page", 1)),
|
|
total_pages: Map.get(pagination, :total_pages, Map.get(pagination, "total_pages", 1)),
|
|
total_items: total_items,
|
|
items_per_page: items_per_page,
|
|
has_prev_page:
|
|
Map.get(pagination, :has_prev_page, Map.get(pagination, "has_prev_page", false)),
|
|
prev_page_href:
|
|
Map.get(pagination, :prev_page_href, Map.get(pagination, "prev_page_href", "")),
|
|
has_next_page:
|
|
Map.get(pagination, :has_next_page, Map.get(pagination, "has_next_page", false)),
|
|
next_page_href:
|
|
Map.get(pagination, :next_page_href, Map.get(pagination, "next_page_href", ""))
|
|
}
|
|
end
|
|
|
|
defp normalize_archive_context(nil), do: nil
|
|
|
|
defp normalize_archive_context(%{} = archive_context) do
|
|
%{
|
|
kind: Map.get(archive_context, :kind, Map.get(archive_context, "kind")),
|
|
name: Map.get(archive_context, :name, Map.get(archive_context, "name")),
|
|
month: Map.get(archive_context, :month, Map.get(archive_context, "month")),
|
|
year: Map.get(archive_context, :year, Map.get(archive_context, "year")),
|
|
day: Map.get(archive_context, :day, Map.get(archive_context, "day"))
|
|
}
|
|
end
|
|
|
|
defp build_day_blocks(posts) do
|
|
grouped_blocks =
|
|
posts
|
|
|> Enum.filter(&is_integer(Map.get(&1, :created_at)))
|
|
|> Enum.group_by(&DateTime.from_unix!(Map.get(&1, :created_at)) |> DateTime.to_date() |> Date.to_iso8601())
|
|
|> Enum.sort_by(fn {label, _posts} -> label end)
|
|
|
|
grouped_blocks
|
|
|> Enum.with_index()
|
|
|> Enum.map(fn {{date_label, grouped_posts}, index} ->
|
|
%{
|
|
date_label: date_label,
|
|
show_date_marker: true,
|
|
show_separator: index < length(grouped_blocks) - 1,
|
|
posts: Enum.sort_by(grouped_posts, &Map.get(&1, :created_at))
|
|
}
|
|
end)
|
|
|> case do
|
|
[] -> [%{date_label: "", show_date_marker: false, show_separator: false, posts: posts}]
|
|
blocks -> blocks
|
|
end
|
|
end
|
|
|
|
defp min_date(posts) do
|
|
posts
|
|
|> Enum.map(&Map.get(&1, :created_at))
|
|
|> Enum.filter(&is_integer/1)
|
|
|> Enum.min(fn -> nil end)
|
|
end
|
|
|
|
defp max_date(posts) do
|
|
posts
|
|
|> Enum.map(&Map.get(&1, :created_at))
|
|
|> Enum.filter(&is_integer/1)
|
|
|> Enum.max(fn -> nil end)
|
|
end
|
|
|
|
defp show_archive_range_heading?(%{kind: "date"}, _day_blocks), do: true
|
|
defp show_archive_range_heading?(_archive_context, _day_blocks), do: false
|
|
|
|
defp html_theme_attribute(nil), do: nil
|
|
defp html_theme_attribute(""), do: nil
|
|
defp html_theme_attribute(theme), do: ~s(data-theme="#{theme}")
|
|
|
|
defp default_pico_stylesheet_href, do: "/assets/pico.min.css"
|
|
|
|
defp href_for_language(""), do: "/"
|
|
defp href_for_language(prefix), do: prefix <> "/"
|
|
|
|
defp calendar_initial_year(%{created_at: created_at}) when is_integer(created_at),
|
|
do: DateTime.from_unix!(created_at).year
|
|
|
|
defp calendar_initial_year(_post), do: nil
|
|
|
|
defp calendar_initial_month(%{created_at: created_at}) when is_integer(created_at),
|
|
do: DateTime.from_unix!(created_at).month
|
|
|
|
defp calendar_initial_month(_post), do: nil
|
|
|
|
defp calendar_initial_year_from_posts([post | _rest]), do: calendar_initial_year(post)
|
|
defp calendar_initial_year_from_posts([]), do: nil
|
|
|
|
defp calendar_initial_month_from_posts([post | _rest]), do: calendar_initial_month(post)
|
|
defp calendar_initial_month_from_posts([]), do: nil
|
|
|
|
defp language_prefix(language, main_language) when language == main_language, do: ""
|
|
defp language_prefix(nil, _main_language), do: ""
|
|
defp language_prefix(language, _main_language), do: "/#{language}"
|
|
|
|
defp normalize_language(nil, fallback), do: fallback
|
|
defp normalize_language("", fallback), do: fallback
|
|
|
|
defp normalize_language(language, _fallback) do
|
|
language
|
|
|> to_string()
|
|
|> String.downcase()
|
|
|> String.split("-", parts: 2)
|
|
|> hd()
|
|
end
|
|
end
|