defmodule BDS.Generation do @moduledoc false import Ecto.Query alias BDS.DocumentFields alias BDS.Frontmatter alias BDS.Generation.GeneratedFileHash alias BDS.Metadata alias BDS.Persistence alias BDS.PreviewAssets alias BDS.Posts.Post alias BDS.Posts.Translation alias BDS.Projects alias BDS.Rendering alias BDS.Repo alias BDS.Slug @core_sections [:core, :single, :category, :tag, :date] @typedoc "A section identifier accepted by `generate_site/3` and friends." @type section :: :core | :single | :category | :tag | :date @typedoc "Options accepted by long-running generation operations." @type generation_opts :: keyword() @typedoc "Plan returned by `plan_generation/2`." @type plan :: map() @typedoc "Validation report returned by `validate_site/3`." @type validation_report :: map() @spec plan_generation(String.t(), [section()]) :: {:ok, plan()} def plan_generation(project_id, sections \\ [:core]) when is_binary(project_id) and is_list(sections) do project = Projects.get_project!(project_id) {:ok, metadata} = Metadata.get_project_metadata(project_id) {:ok, generated_files} = list_generated_files(project_id) {:ok, %{ project_id: project_id, project_name: project.name, base_url: normalize_base_url(metadata.public_url), language: metadata.main_language, blog_languages: normalize_blog_languages(metadata.main_language, metadata.blog_languages), max_posts_per_page: metadata.max_posts_per_page, categories: metadata.categories, category_settings: metadata.category_settings, pico_theme: metadata.pico_theme, sections: normalize_sections(sections), generated_files: generated_files }} end @spec generate_site(String.t(), [section()], generation_opts()) :: {:ok, %{sections: [section()], generated_files: [map()]}} | {:error, term()} def generate_site(project_id, sections \\ [:core], opts \\ []) def generate_site(project_id, sections, opts) when is_binary(project_id) and is_list(sections) and is_list(opts) do with {:ok, plan} <- plan_generation(project_id, sections) do outputs = build_outputs(plan) on_progress = progress_callback(opts) total_outputs = length(outputs) :ok = report_generation_started(on_progress, total_outputs, "generated files") outputs |> Enum.with_index(1) |> Enum.each(fn {{relative_path, content}, index} -> {:ok, _write} = write_generated_file(project_id, relative_path, content) :ok = report_generation_progress(on_progress, index, total_outputs, "generated files") end) {:ok, generated_files} = list_generated_files(project_id) {:ok, %{sections: plan.sections, generated_files: generated_files}} end end @spec validate_site(String.t(), [section()], generation_opts()) :: {:ok, validation_report()} | {:error, term()} def validate_site(project_id, sections \\ @core_sections, opts \\ []) def validate_site(project_id, sections, opts) when is_binary(project_id) and is_list(sections) and is_list(opts) do with {:ok, plan} <- plan_generation(project_id, sections) do on_progress = progress_callback(opts) :ok = report_validation_progress(on_progress, 0.0, "Collecting sitemap URLs...") data = generation_data(plan, on_snapshot_progress: fn stage, current, total -> report_validation_snapshot_progress(on_progress, stage, current, total) end ) generated_file_updated_at = generated_file_updated_at_map(project_id) additional_languages = additional_languages(plan) published_route_posts = suppress_subtree_translation_variants(data.published_route_posts, additional_languages) {sitemap_content, sitemap_to_write, additional_expected_paths, additional_post_timestamp_checks} = build_validation_sitemap_artifacts( plan, data, published_route_posts, generated_file_updated_at, on_progress ) {:ok, sitemap_write} = write_generated_file(project_id, "sitemap.xml", sitemap_to_write) :ok = report_validation_progress(on_progress, 0.5, "Comparing sitemap to html pages...") diff_result = compare_sitemap_to_html(%{ sitemap_xml: sitemap_content, base_url: plan.base_url, html_dir: output_path(data.project, ""), on_progress: on_progress, post_timestamp_checks: build_post_timestamp_checks( data.project_data_dir, published_route_posts, generated_file_updated_at ) ++ additional_post_timestamp_checks, additional_expected_paths: additional_expected_paths }) completion_message = "Validation complete (#{length(diff_result.missing_url_paths)} missing, #{length(diff_result.extra_url_paths)} extra, #{length(diff_result.updated_post_url_paths)} updated)" :ok = report_validation_progress(on_progress, 1.0, completion_message) {:ok, %{ sitemap_path: output_path(data.project, "sitemap.xml"), sitemap_changed: sitemap_write.written?, missing_url_paths: diff_result.missing_url_paths, extra_url_paths: diff_result.extra_url_paths, updated_post_url_paths: diff_result.updated_post_url_paths, expected_url_count: diff_result.expected_url_count, existing_html_url_count: diff_result.existing_html_url_count }} end end defp progress_callback(opts) do case Keyword.get(opts, :on_progress) do callback when is_function(callback, 2) -> callback _other -> nil end end defp report_generation_started(nil, _total, _label), do: :ok defp report_generation_started(callback, 0, label) do callback.(1.0, "No #{label} to process") :ok end defp report_generation_started(callback, total, label) do callback.(0.0, "Processing 0/#{total} #{label}") :ok end defp report_generation_progress(nil, _current, _total, _label), do: :ok defp report_generation_progress(_callback, _current, 0, _label), do: :ok defp report_generation_progress(callback, current, total, label) do callback.(current / total, "Processing #{current}/#{total} #{label}") :ok end defp report_validation_progress(nil, _progress, _message), do: :ok defp report_validation_progress(callback, progress, message) do callback.(progress, message) :ok end defp report_validation_snapshot_progress(nil, _stage, _current, _total), do: :ok defp report_validation_snapshot_progress(_callback, _stage, _current, total) when total <= 0, do: :ok defp report_validation_snapshot_progress(callback, :posts, current, total) do progress = min(0.18, current / total * 0.18) callback.(progress, "Collecting sitemap URLs... #{current}/#{total}") :ok end defp report_validation_snapshot_progress(callback, :translations, current, total) do progress = 0.18 + min(0.12, current / total * 0.12) callback.(progress, "Collecting sitemap URLs... #{current}/#{total}") :ok end defp report_validation_collection_progress(nil, _current, _total), do: :ok defp report_validation_collection_progress(_callback, _current, total) when total <= 0, do: :ok defp report_validation_collection_progress(callback, current, total) do progress = min(0.49, 0.30 + current / total * 0.19) callback.(progress, "Collecting sitemap URLs... #{current}/#{total}") :ok end @spec apply_validation(String.t(), [section()] | map()) :: {:ok, map()} | {:error, term()} def apply_validation(project_id, sections) when is_binary(project_id) and is_list(sections) do with {:ok, plan} <- plan_generation(project_id, sections) do expected_outputs = build_outputs(plan) expected_paths = MapSet.new(Enum.map(expected_outputs, &elem(&1, 0))) actual_files = disk_generated_files(project_id) project = Projects.get_project!(project_id) now = Persistence.now_ms() Enum.each(expected_outputs, fn {relative_path, content} -> expected_hash = sha256(content) case actual_files do %{^relative_path => ^expected_hash} -> :ok _other -> :ok = Persistence.atomic_write(output_path(project, relative_path), content) %GeneratedFileHash{} |> GeneratedFileHash.changeset(%{ project_id: project_id, relative_path: relative_path, content_hash: expected_hash, updated_at: now }) |> Repo.insert!( on_conflict: [set: [content_hash: expected_hash, updated_at: now]], conflict_target: [:project_id, :relative_path] ) end end) disk_generated_files(project_id) |> Map.keys() |> Enum.filter(fn relative_path -> path_section(relative_path) in plan.sections and not MapSet.member?(expected_paths, relative_path) end) |> Enum.each(fn relative_path -> _ = File.rm(output_path(project, relative_path)) Repo.delete_all( from generated_file in GeneratedFileHash, where: generated_file.project_id == ^project_id and generated_file.relative_path == ^relative_path ) end) {:ok, generated_files} = list_generated_files(project_id) {:ok, %{sections: plan.sections, generated_files: generated_files}} end end def apply_validation(project_id, report) when is_binary(project_id) and is_map(report) do with {:ok, plan} <- plan_generation(project_id, @core_sections) do expected_outputs = build_outputs(plan) expected_output_map = Map.new(expected_outputs) project = Projects.get_project!(project_id) published_posts = list_published_posts(project_id) targeted_plan = build_targeted_validation_plan( plan_validation_paths(report_paths(report), additional_languages(plan)), published_posts ) outputs_to_render = expected_outputs |> Enum.filter(fn {relative_path, _content} -> targeted_output?(relative_path, targeted_plan, plan.language, additional_languages(plan)) end) Enum.each(outputs_to_render, fn {relative_path, content} -> _ = write_generated_file(project_id, relative_path, content, refresh_timestamp_on_unchanged: route_html_path?(relative_path) ) end) {deleted_url_count, removed_empty_dir_count} = delete_extra_validation_paths(project_id, project, Map.get(report, :extra_url_paths, [])) if outputs_to_render != [] or deleted_url_count > 0 do write_ancillary_validation_outputs(project_id, expected_output_map) end {:ok, %{ rendered_url_count: Enum.count(outputs_to_render, fn {relative_path, _content} -> route_html_path?(relative_path) end), deleted_url_count: deleted_url_count, removed_empty_dir_count: removed_empty_dir_count }} end end @spec post_output_path(map()) :: String.t() def post_output_path(post), do: post_output_path(post, nil) @spec post_output_path(map(), String.t() | nil) :: String.t() def post_output_path(post, language) when is_map(post) do {year, month, day} = local_date_parts!(post.created_at) year = Integer.to_string(year) month = month |> Integer.to_string() |> String.pad_leading(2, "0") day = day |> Integer.to_string() |> String.pad_leading(2, "0") path_parts = [year, month, day, post.slug, "index.html"] case language do nil -> Path.join(path_parts) "" -> Path.join(path_parts) value -> Path.join([value | path_parts]) end end @typedoc "Result returned by `write_generated_file/3,4`." @type write_result :: %{relative_path: String.t(), content_hash: String.t(), written?: boolean()} @spec write_generated_file(String.t(), String.t(), String.t()) :: {:ok, write_result()} def write_generated_file(project_id, relative_path, content), do: write_generated_file(project_id, relative_path, content, []) @spec write_generated_file(String.t(), String.t(), String.t(), keyword()) :: {:ok, write_result()} def write_generated_file(project_id, relative_path, content, opts) when is_binary(project_id) and is_binary(relative_path) and is_binary(content) and is_list(opts) do project = Projects.get_project!(project_id) content_hash = sha256(content) now = Persistence.now_ms() full_path = output_path(project, relative_path) refresh_timestamp? = Keyword.get(opts, :refresh_timestamp_on_unchanged, false) case Repo.get_by(GeneratedFileHash, project_id: project_id, relative_path: relative_path) do %GeneratedFileHash{content_hash: ^content_hash} -> cond do not File.exists?(full_path) -> :ok = Persistence.atomic_write(full_path, content) :ok = upsert_generated_file_hash(project_id, relative_path, content_hash, now) {:ok, %{relative_path: relative_path, content_hash: content_hash, written?: true}} refresh_timestamp? -> :ok = upsert_generated_file_hash(project_id, relative_path, content_hash, now) {:ok, %{relative_path: relative_path, content_hash: content_hash, written?: false}} true -> {:ok, %{relative_path: relative_path, content_hash: content_hash, written?: false}} end _existing -> :ok = Persistence.atomic_write(full_path, content) :ok = upsert_generated_file_hash(project_id, relative_path, content_hash, now) {:ok, %{relative_path: relative_path, content_hash: content_hash, written?: true}} end end @spec list_generated_files(String.t()) :: {:ok, [map()]} def list_generated_files(project_id) when is_binary(project_id) do {:ok, Repo.all( from generated_file in GeneratedFileHash, where: generated_file.project_id == ^project_id, order_by: [asc: generated_file.relative_path] )} end @spec delete_generated_file(String.t(), String.t()) :: :ok | {:error, term()} def delete_generated_file(project_id, relative_path) when is_binary(project_id) and is_binary(relative_path) do project = Projects.get_project!(project_id) case File.rm(output_path(project, relative_path)) do :ok -> :ok {:error, :enoent} -> :ok {:error, reason} -> {:error, reason} end Repo.delete_all( from generated_file in GeneratedFileHash, where: generated_file.project_id == ^project_id and generated_file.relative_path == ^relative_path ) :ok end defp generation_data(plan, opts \\ []) do project = Projects.get_project!(plan.project_id) project_data_dir = Projects.project_data_dir(project) list_excluded_categories = excluded_list_categories(plan) on_snapshot_progress = Keyword.get(opts, :on_snapshot_progress) published_candidates = Repo.all( from post in Post, where: post.project_id == ^plan.project_id and post.status == :published, order_by: [desc: post.created_at, desc: post.published_at, asc: post.slug] ) draft_candidates = Repo.all( from post in Post, where: post.project_id == ^plan.project_id and post.status == :draft, order_by: [desc: post.created_at, desc: post.published_at, asc: post.slug] ) post_snapshot_candidates = published_candidates ++ draft_candidates snapshots_by_id = post_snapshot_candidates |> Enum.with_index(1) |> Enum.reduce(%{}, fn {post, index}, acc -> :ok = report_snapshot_stage_progress(on_snapshot_progress, :posts, index, length(post_snapshot_candidates)) case published_post_snapshot(project_data_dir, post) do nil -> acc snapshot -> Map.put(acc, post.id, snapshot) end end) published_posts = published_candidates |> merge_generation_snapshots(snapshots_by_id) |> then(fn published -> draft_candidates |> merge_generation_snapshots(snapshots_by_id) |> Enum.reduce(Map.new(published, &{&1.id, &1}), fn post, acc -> Map.put(acc, post.id, post) end) |> Map.values() end) |> Enum.sort_by(&{-(&1.created_at || 0), -(&1.published_at || 0), to_string(&1.slug)}) published_list_posts = (published_candidates ++ draft_candidates) |> Enum.reject(fn post -> list_excluded_post?(post, list_excluded_categories) end) |> merge_generation_snapshots(snapshots_by_id) |> Enum.uniq_by(& &1.id) |> Enum.sort_by(&{-(&1.created_at || 0), -(&1.published_at || 0), to_string(&1.slug)}) {published_route_posts, translations_by_post} = build_generation_route_posts( plan.project_id, project_data_dir, published_posts, on_snapshot_progress ) %{ project: project, project_data_dir: project_data_dir, published_posts: published_posts, published_list_posts: published_list_posts, published_route_posts: published_route_posts, translations_by_post: translations_by_post, post_index: build_generation_post_index(published_list_posts) } end defp merge_generation_snapshots(posts, snapshots_by_id) do posts |> Enum.map(&Map.get(snapshots_by_id, &1.id)) |> Enum.reject(&is_nil/1) end defp excluded_list_categories(plan) do plan |> resolved_category_settings() |> Enum.filter(fn {_category, settings} -> settings.render_in_lists == false end) |> Enum.map(&elem(&1, 0)) |> MapSet.new() end defp resolved_category_settings(plan) do defaults = %{ "article" => %{render_in_lists: true, show_title: true}, "picture" => %{render_in_lists: true, show_title: true}, "aside" => %{render_in_lists: true, show_title: false}, "page" => %{render_in_lists: false, show_title: true} } Enum.reduce(Map.get(plan, :category_settings, %{}) || %{}, defaults, fn {category, settings}, acc -> Map.put(acc, category, %{ render_in_lists: category_setting_flag(settings, :render_in_lists, "render_in_lists", true), show_title: category_setting_flag(settings, :show_title, "show_title", true) }) end) end defp category_setting_flag(settings, atom_key, string_key, default) do case Map.get(settings, atom_key, Map.get(settings, string_key, default)) do false -> false _other -> true end end defp list_excluded_post?(post, excluded_categories) do Enum.any?(post.categories || [], &MapSet.member?(excluded_categories, &1)) end defp published_post_snapshot(project_data_dir, %Post{} = post) do cond do is_binary(post.file_path) and post.file_path != "" -> project_data_dir |> Path.join(post.file_path) |> read_post_snapshot(post) post.status == :published -> post true -> nil end end defp read_post_snapshot(full_path, %Post{} = fallback_post) do case File.read(full_path) do {:ok, contents} -> {:ok, %{fields: fields}} = Frontmatter.parse_document(contents) %Post{fallback_post | id: DocumentFields.get(fields, "id", fallback_post.id), title: DocumentFields.get(fields, "title", fallback_post.title) || "", slug: DocumentFields.fetch!(fields, "slug"), excerpt: Map.get(fields, "excerpt"), content: nil, status: :published, author: Map.get(fields, "author"), language: Map.get(fields, "language", fallback_post.language), do_not_translate: DocumentFields.get(fields, "doNotTranslate", fallback_post.do_not_translate || false), template_slug: DocumentFields.get(fields, "templateSlug", fallback_post.template_slug), created_at: DocumentFields.get(fields, "createdAt", fallback_post.created_at), updated_at: DocumentFields.get(fields, "updatedAt", fallback_post.updated_at), published_at: DocumentFields.get(fields, "publishedAt", fallback_post.published_at), file_path: fallback_post.file_path, tags: Map.get(fields, "tags", fallback_post.tags || []), categories: Map.get(fields, "categories", fallback_post.categories || []) } {:error, _reason} -> if fallback_post.status == :published, do: fallback_post, else: nil end end defp build_generation_route_posts(project_id, project_data_dir, published_posts, on_snapshot_progress) do source_post_ids = Enum.map(published_posts, & &1.id) translation_candidates = Repo.all( from translation in Translation, where: translation.project_id == ^project_id and translation.translation_for in ^source_post_ids, where: translation.status in [:published, :draft], order_by: [asc: translation.translation_for, asc: translation.language] ) translations_by_post = translation_candidates |> Enum.with_index(1) |> Enum.reduce(%{}, fn {translation, index}, acc -> :ok = report_snapshot_stage_progress(on_snapshot_progress, :translations, index, length(translation_candidates)) case published_translation_snapshot(project_data_dir, translation) do nil -> acc snapshot -> Map.update(acc, translation.translation_for, [snapshot], &[snapshot | &1]) end end) |> Map.new(fn {post_id, translations} -> {post_id, Enum.reverse(translations)} end) route_posts = Enum.flat_map(published_posts, fn post -> variants = translations_by_post |> Map.get(post.id, []) |> Enum.map(&build_published_translation_variant(post, &1)) [post | variants] end) {route_posts, translations_by_post} end defp flattened_generation_translations(translations_by_post) do translations_by_post |> Map.values() |> List.flatten() end defp published_translation_snapshot(project_data_dir, %Translation{} = translation) do cond do is_binary(translation.file_path) and translation.file_path != "" -> project_data_dir |> Path.join(translation.file_path) |> read_translation_snapshot(translation) translation.status == :published -> translation true -> nil end end defp read_translation_snapshot(full_path, %Translation{} = fallback_translation) do case File.read(full_path) do {:ok, contents} -> {:ok, %{fields: fields}} = Frontmatter.parse_document(contents) %Translation{fallback_translation | id: DocumentFields.get(fields, "id", fallback_translation.id), translation_for: DocumentFields.fetch!(fields, "translationFor"), language: DocumentFields.fetch!(fields, "language"), title: DocumentFields.get(fields, "title", fallback_translation.title) || "", excerpt: Map.get(fields, "excerpt", fallback_translation.excerpt), content: nil, status: :published, created_at: DocumentFields.get(fields, "createdAt", fallback_translation.created_at), updated_at: DocumentFields.get(fields, "updatedAt", fallback_translation.updated_at), published_at: DocumentFields.get(fields, "publishedAt", fallback_translation.published_at), file_path: fallback_translation.file_path } {:error, _reason} -> if fallback_translation.status == :published, do: fallback_translation, else: nil end end defp build_published_translation_variant(post, translation) do %{ id: translation.id, project_id: post.project_id, title: translation.title, slug: "#{post.slug}.#{translation.language}", excerpt: translation.excerpt, content: nil, status: :published, author: Map.get(post, :author), created_at: post.created_at, updated_at: translation.updated_at, published_at: translation.published_at || post.published_at, file_path: translation.file_path, tags: Map.get(post, :tags, []), categories: Map.get(post, :categories, []), template_slug: Map.get(post, :template_slug), language: translation.language, do_not_translate: Map.get(post, :do_not_translate, false), translation_source_slug: post.slug, translation_canonical_language: Map.get(post, :language), translation_file_path: translation.file_path } end defp build_generation_post_index(posts) do Enum.reduce(posts, %{posts_by_category: %{}, posts_by_tag: %{}, posts_by_year: %{}, posts_by_year_month: %{}, posts_by_year_month_day: %{}}, fn post, acc -> {year, month_value, day_value} = local_date_parts!(post.created_at) month = String.pad_leading(Integer.to_string(month_value), 2, "0") day = String.pad_leading(Integer.to_string(day_value), 2, "0") year_month = "#{year}/#{month}" year_month_day = "#{year}/#{month}/#{day}" acc |> append_generation_index(:posts_by_year, year, post) |> append_generation_index(:posts_by_year_month, year_month, post) |> append_generation_index(:posts_by_year_month_day, year_month_day, post) |> then(fn indexed -> indexed = Enum.reduce(post.categories || [], indexed, &append_generation_index(&2, :posts_by_category, &1, post)) Enum.reduce(post.tags || [], indexed, &append_generation_index(&2, :posts_by_tag, &1, post)) end) end) end defp append_generation_index(index, field, key, post) do update_in(index[field], fn grouped -> Map.update(grouped, key, [post], &[post | &1]) end) end defp build_outputs(plan) do data = generation_data(plan) published_translations = flattened_generation_translations(data.translations_by_post) translations_by_post_language = translation_lookup_map(published_translations) translatable_published_posts = Enum.reject(data.published_posts, &truthy_flag?(Map.get(&1, :do_not_translate))) translatable_published_list_posts = Enum.reject(data.published_list_posts, &truthy_flag?(Map.get(&1, :do_not_translate))) localized_posts_by_language = additional_languages(plan) |> Enum.map(fn language -> {language, resolve_posts_for_language( translatable_published_posts, language, translations_by_post_language, plan.language )} end) |> Map.new() localized_list_posts_by_language = additional_languages(plan) |> Enum.map(fn language -> {language, resolve_posts_for_language( translatable_published_list_posts, language, translations_by_post_language, plan.language )} end) |> Map.new() localized_post_indexes = localized_list_posts_by_language |> Enum.map(fn {language, posts} -> {language, build_generation_post_index(posts)} end) |> Map.new() core_outputs = if :core in plan.sections do build_core_outputs( plan, data.published_list_posts, localized_list_posts_by_language ) else [] end page_outputs = if :core in plan.sections do build_page_outputs( plan.project_id, plan.language, data.published_posts, translations_by_post_language, localized_posts_by_language ) else [] end single_outputs = if :single in plan.sections do build_single_outputs( plan.project_id, plan.language, data.published_posts, translations_by_post_language, localized_posts_by_language ) else [] end archive_outputs = build_archive_outputs(plan, data.post_index, localized_post_indexes) urls = (core_outputs ++ page_outputs ++ single_outputs ++ archive_outputs) |> Enum.filter(fn {relative_path, _content} -> sitemap_route_output?(relative_path) end) |> Enum.map(fn {relative_path, _content} -> url_for_output(plan.base_url, relative_path) end) sitemap = if :core in plan.sections do [{"sitemap.xml", render_sitemap(urls)}] else [] end pagefind_outputs = if :core in plan.sections do build_pagefind_outputs(plan, core_outputs ++ page_outputs ++ single_outputs ++ archive_outputs) else [] end asset_outputs = if :core in plan.sections do PreviewAssets.generated_outputs() else [] end core_outputs ++ page_outputs ++ single_outputs ++ archive_outputs ++ sitemap ++ pagefind_outputs ++ asset_outputs end defp build_validation_sitemap_artifacts( plan, data, published_route_posts, generated_file_updated_at, on_progress ) do main_paths = build_validation_route_paths( plan, published_route_posts, data.published_list_posts, data.post_index, nil ) additional_language_sets = Enum.map(additional_languages(plan), fn language -> language_posts = Enum.reject(data.published_posts, &truthy_flag?(Map.get(&1, :do_not_translate))) language_list_posts = Enum.reject(data.published_list_posts, &truthy_flag?(Map.get(&1, :do_not_translate))) language_post_index = build_generation_post_index(language_list_posts) {language, language_posts, build_validation_route_paths(plan, language_posts, language_list_posts, language_post_index, language)} end) all_collection_paths = main_paths ++ Enum.flat_map(additional_language_sets, fn {_language, _posts, paths} -> paths end) total_route_count = max(length(all_collection_paths), 1) all_collection_paths |> Enum.with_index(1) |> Enum.each(fn {_relative_path, index} -> :ok = report_validation_collection_progress(on_progress, index, total_route_count) end) sitemap_content = main_paths |> Enum.map(&url_for_output(plan.base_url, &1)) |> render_sitemap() additional_expected_paths = additional_language_sets |> Enum.flat_map(fn {_language, _posts, paths} -> paths end) |> Enum.map(&relative_path_to_url_path/1) additional_post_timestamp_checks = additional_language_sets |> Enum.flat_map(fn {language, posts, _paths} -> build_language_post_timestamp_checks( data.project_data_dir, language, posts, generated_file_updated_at ) end) sitemap_to_write = case additional_languages(plan) do [] -> sitemap_content languages -> render_multi_language_sitemap( plan, Enum.reject(data.published_posts, &truthy_flag?(Map.get(&1, :do_not_translate))), Enum.filter(data.published_posts, &truthy_flag?(Map.get(&1, :do_not_translate))), data.published_list_posts, data.post_index, languages ) end {sitemap_content, sitemap_to_write, additional_expected_paths, additional_post_timestamp_checks} end defp build_validation_route_paths(plan, route_posts, published_list_posts, post_index, route_language) do [ core_route_paths(plan, published_list_posts, route_language), page_route_paths(plan, route_posts, route_language), single_route_paths(plan, route_posts, route_language), category_route_paths(plan, post_index.posts_by_category, route_language), tag_route_paths(plan, post_index.posts_by_tag, route_language), date_route_paths(plan, post_index, route_language) ] |> List.flatten() |> Enum.uniq() end defp core_route_paths(plan, published_list_posts, route_language) do if :core in plan.sections do root_route_paths(route_language, length(published_list_posts), plan.max_posts_per_page) else [] end end defp page_route_paths(plan, route_posts, route_language) do if :core in plan.sections do route_posts |> Enum.filter(&("page" in (&1.categories || []))) |> Enum.map(&page_output_path(&1.slug, route_language)) else [] end end defp single_route_paths(plan, route_posts, route_language) do if :single in plan.sections do Enum.map(route_posts, &route_post_output_path(&1, route_language)) else [] end end defp category_route_paths(plan, posts_by_category, route_language) do if :category in plan.sections do Enum.flat_map(posts_by_category, fn {category, posts} -> paginated_archive_paths( route_language, ["category", archive_route_segment(category)], length(posts), plan.max_posts_per_page ) end) else [] end end defp tag_route_paths(plan, posts_by_tag, route_language) do if :tag in plan.sections do Enum.flat_map(posts_by_tag, fn {tag, posts} -> paginated_archive_paths( route_language, ["tag", archive_route_segment(tag)], length(posts), plan.max_posts_per_page ) end) else [] end end defp date_route_paths(plan, post_index, route_language) do if :date in plan.sections do year_paths = Enum.flat_map(post_index.posts_by_year, fn {year, posts} -> paginated_archive_paths( route_language, [Integer.to_string(year)], length(posts), plan.max_posts_per_page ) end) month_paths = Enum.flat_map(post_index.posts_by_year_month, fn {year_month, posts} -> [year, month] = String.split(year_month, "/", parts: 2) paginated_archive_paths( route_language, [year, month], length(posts), plan.max_posts_per_page ) end) day_paths = Enum.flat_map(post_index.posts_by_year_month_day, fn {year_month_day, posts} -> [year, month, day] = String.split(year_month_day, "/", parts: 3) paginated_archive_paths( route_language, [year, month, day], length(posts), plan.max_posts_per_page ) end) year_paths ++ month_paths ++ day_paths else [] end end defp route_post_output_path(post, nil), do: post_output_path(post) defp route_post_output_path(post, ""), do: post_output_path(post) defp route_post_output_path(post, route_language), do: post_output_path(post, route_language) defp suppress_subtree_translation_variants(route_posts, additional_languages) do subtree_languages = MapSet.new(additional_languages) Enum.reject(route_posts, fn post -> is_binary(Map.get(post, :translation_source_slug)) and MapSet.member?(subtree_languages, to_string(Map.get(post, :language))) end) end defp truthy_flag?(value), do: value not in [false, nil] defp disk_generated_files(project_id) do project = Projects.get_project!(project_id) html_root = output_path(project, "") case File.ls(html_root) do {:ok, _entries} -> html_root |> Path.join("**/*") |> Path.wildcard(match_dot: false) |> Enum.filter(&File.regular?/1) |> Enum.map(fn path -> relative_path = Path.relative_to(path, html_root) {relative_path, path |> File.read!() |> sha256()} end) |> Map.new() {:error, :enoent} -> %{} end end defp path_section(relative_path) do segments = String.split(relative_path, "/", trim: true) case strip_language_prefix(segments) do ["404.html"] -> :core ["index.html"] -> :core ["page", _page, "index.html"] -> :core ["sitemap.xml"] -> :core ["feed.xml"] -> :core ["atom.xml"] -> :core ["calendar.json"] -> :core ["pagefind" | _rest] -> :core [year, month, day, "index.html"] when byte_size(year) == 4 and byte_size(month) == 2 and byte_size(day) == 2 -> :date [year, month, day, _slug, "index.html"] when byte_size(year) == 4 and byte_size(month) == 2 and byte_size(day) == 2 -> :single ["category" | _rest] -> :category ["tag" | _rest] -> :tag [year, "index.html"] when byte_size(year) == 4 -> :date [year, month, "index.html"] when byte_size(year) == 4 and byte_size(month) == 2 -> :date _other -> :core end end defp strip_language_prefix([language | rest]) when language in ["en", "de", "fr", "it", "es"], do: rest defp strip_language_prefix(segments), do: segments defp build_archive_outputs(plan, post_index, localized_post_indexes) do category_outputs = if :category in plan.sections do build_category_outputs(plan, post_index.posts_by_category, [plan.language]) ++ Enum.flat_map(additional_languages(plan), fn language -> build_category_outputs( plan, Map.get(localized_post_indexes, language, %{posts_by_category: %{}}).posts_by_category, [language] ) end) else [] end tag_outputs = if :tag in plan.sections do build_tag_outputs(plan, post_index.posts_by_tag, [plan.language]) ++ Enum.flat_map(additional_languages(plan), fn language -> build_tag_outputs( plan, Map.get(localized_post_indexes, language, %{posts_by_tag: %{}}).posts_by_tag, [language] ) end) else [] end date_outputs = if :date in plan.sections do build_date_outputs(plan, post_index, [plan.language]) ++ Enum.flat_map(additional_languages(plan), fn language -> build_date_outputs( plan, Map.get( localized_post_indexes, language, %{posts_by_year: %{}, posts_by_year_month: %{}, posts_by_year_month_day: %{}} ), [language] ) end) else [] end category_outputs ++ tag_outputs ++ date_outputs end defp build_category_outputs(plan, posts_by_category, languages) do Enum.flat_map(posts_by_category, fn {category, posts} -> paginated_posts = Enum.chunk_every(posts, max(plan.max_posts_per_page, 1)) category_slug = archive_route_segment(category) Enum.with_index(paginated_posts, 1) |> Enum.flat_map(fn {page_posts, page_number} -> Enum.map(languages, fn language -> pagination = %{ current_page: page_number, total_pages: length(paginated_posts), total_items: length(posts), items_per_page: max(plan.max_posts_per_page, 1), has_prev_page: page_number > 1, prev_page_href: if(page_number > 1, do: archive_href( route_language(plan.language, language), ["category", category_slug], page_number - 1 ), else: "" ), has_next_page: page_number < length(paginated_posts), next_page_href: if(page_number < length(paginated_posts), do: archive_href( route_language(plan.language, language), ["category", category_slug], page_number + 1 ), else: "" ) } { archive_path( route_language(plan.language, language), ["category", category_slug], page_number ), render_archive_page(plan, category, page_posts, language, "category", pagination) } end) end) end) end defp build_tag_outputs(plan, posts_by_tag, languages) do Enum.flat_map(posts_by_tag, fn {tag, posts} -> tag_slug = archive_route_segment(tag) build_paginated_archive_outputs(plan, languages, ["tag", tag_slug], posts, fn page_posts, language, pagination -> render_archive_page(plan, tag, page_posts, language, "tag", pagination) end) end) end defp build_date_outputs(plan, post_index, languages) do year_outputs = Enum.flat_map(post_index.posts_by_year, fn {year, posts} -> build_paginated_archive_outputs(plan, languages, [Integer.to_string(year)], posts, fn page_posts, language, pagination -> render_date_archive_page( plan, Integer.to_string(year), %{kind: "year", year: year}, page_posts, language, pagination ) end) end) month_outputs = Enum.flat_map(post_index.posts_by_year_month, fn {year_month, posts} -> [year, month] = String.split(year_month, "/", parts: 2) build_paginated_archive_outputs(plan, languages, [year, month], posts, fn page_posts, language, pagination -> render_date_archive_page( plan, "#{year}-#{month}", %{kind: "month", year: String.to_integer(year), month: String.to_integer(month)}, page_posts, language, pagination ) end) end) day_outputs = Enum.flat_map(post_index.posts_by_year_month_day, fn {year_month_day, posts} -> [year, month, day] = String.split(year_month_day, "/", parts: 3) build_paginated_archive_outputs(plan, languages, [year, month, day], posts, fn page_posts, language, pagination -> render_date_archive_page( plan, "#{year}-#{month}-#{day}", %{kind: "day", year: String.to_integer(year), month: String.to_integer(month), day: String.to_integer(day)}, page_posts, language, pagination ) end) end) year_outputs ++ month_outputs ++ day_outputs end defp build_core_outputs(plan, published_posts, localized_posts_by_language) do language = plan.language additional_languages = Enum.reject(plan.blog_languages, &(&1 == language)) main_posts = build_list_posts(plan.base_url, published_posts, nil) build_root_outputs(plan, language, main_posts) ++ [ {"404.html", render_not_found_output(plan, language)}, {"feed.xml", render_feed(plan, language, published_posts)}, {"atom.xml", render_atom(plan, language, published_posts)}, {"calendar.json", render_calendar(published_posts)} ] ++ Enum.flat_map(additional_languages, fn localized_language -> localized_prefix = route_language(plan.language, localized_language) localized_source_posts = Map.get(localized_posts_by_language, localized_language, []) localized_posts = build_list_posts(plan.base_url, localized_source_posts, localized_prefix) build_root_outputs(plan, localized_language, localized_posts) ++ [ {Path.join(localized_language, "404.html"), render_not_found_output(plan, localized_language)}, {Path.join(localized_language, "feed.xml"), render_feed(plan, localized_language, localized_source_posts)}, {Path.join(localized_language, "atom.xml"), render_atom(plan, localized_language, localized_source_posts)} ] end) end defp build_page_outputs(project_id, main_language, published_posts, translations_by_post_language, localized_posts_by_language) do page_outputs = published_posts |> Enum.filter(&("page" in (&1.categories || []))) |> Enum.map(fn post -> canonical_variant = Map.get(translations_by_post_language, {post.id, main_language}, post) body = load_body(project_id, canonical_variant.file_path, canonical_variant.content) {page_output_path(post.slug, nil), render_post_output( project_id, post.template_slug, %{ id: canonical_variant.id, title: canonical_variant.title, content: body, slug: post.slug, language: canonical_variant.language, excerpt: canonical_variant.excerpt }, fn -> render_post_page(canonical_variant.title, body, post.slug, canonical_variant.language) end )} end) translation_page_outputs = localized_posts_by_language |> Enum.flat_map(fn {language, posts} -> posts |> Enum.filter(&("page" in (&1.categories || []))) |> Enum.map(fn post -> body = load_body(project_id, post.file_path, post.content) {page_output_path(post.slug, language), render_post_output( project_id, post.template_slug, %{ id: post.id, title: post.title, content: body, slug: post.slug, language: Map.get(post, :language), excerpt: post.excerpt }, fn -> render_post_page(post.title, body, post.slug, Map.get(post, :language)) end )} end) end) page_outputs ++ translation_page_outputs end defp build_root_outputs(plan, language, posts) do total_pages = page_count(length(posts), plan.max_posts_per_page) posts |> paginate_posts(plan.max_posts_per_page) |> Enum.with_index(1) |> Enum.map(fn {page_posts, page_number} -> route_language = route_language(plan.language, language) {root_output_path(route_language, page_number), render_list_output( plan, language, plan.project_name, page_posts, %{kind: "core"}, pagination_for_page(page_number, total_pages, length(posts), plan.max_posts_per_page, route_language, []), fn -> render_home(plan, language) end )} end) end defp build_paginated_archive_outputs(plan, languages, segments, posts, render_fun) do total_pages = page_count(length(posts), plan.max_posts_per_page) posts |> paginate_posts(plan.max_posts_per_page) |> Enum.with_index(1) |> Enum.flat_map(fn {page_posts, page_number} -> Enum.map(languages, fn language -> route_language = route_language(plan.language, language) {archive_path(route_language, segments, page_number), render_fun.( page_posts, language, pagination_for_page(page_number, total_pages, length(posts), plan.max_posts_per_page, route_language, segments) )} end) end) end defp paginated_archive_paths(route_language, segments, total_items, max_posts_per_page) do total_pages = page_count(total_items, max_posts_per_page) Enum.map(1..total_pages, fn page_number -> archive_path(route_language, segments, page_number) end) end defp root_route_paths(route_language, total_items, max_posts_per_page) do total_pages = page_count(total_items, max_posts_per_page) Enum.map(1..total_pages, fn page_number -> root_output_path(route_language, page_number) end) end defp root_output_path(nil, 1), do: "index.html" defp root_output_path("", 1), do: "index.html" defp root_output_path(route_language, 1), do: Path.join(route_language, "index.html") defp root_output_path(nil, page_number), do: Path.join(["page", Integer.to_string(page_number), "index.html"]) defp root_output_path("", page_number), do: root_output_path(nil, page_number) defp root_output_path(route_language, page_number), do: Path.join([route_language, "page", Integer.to_string(page_number), "index.html"]) defp page_output_path(slug, nil), do: Path.join([slug, "index.html"]) defp page_output_path(slug, ""), do: page_output_path(slug, nil) defp page_output_path(slug, language), do: Path.join([language, slug, "index.html"]) defp pagination_for_page(page_number, total_pages, total_items, items_per_page, route_language, segments) do %{ current_page: page_number, total_pages: total_pages, total_items: total_items, items_per_page: items_per_page, has_prev_page: page_number > 1, prev_page_href: archive_or_root_href(route_language, segments, page_number - 1), has_next_page: page_number < total_pages, next_page_href: archive_or_root_href(route_language, segments, page_number + 1) } end defp archive_or_root_href(_route_language, _segments, page_number) when page_number < 1, do: "" defp archive_or_root_href(route_language, [], page_number), do: root_page_href(route_language, page_number) defp archive_or_root_href(route_language, segments, page_number), do: archive_href(route_language, segments, page_number) defp root_page_href(route_language, page_number) when page_number <= 1 do case route_language do nil -> "/" "" -> "/" language -> "/#{language}/" end end defp root_page_href(route_language, page_number) do base = case route_language do nil -> "" "" -> "" language -> "/#{language}" end "#{base}/page/#{page_number}/" end defp page_count(total_items, _max_posts_per_page) when total_items <= 0, do: 1 defp page_count(total_items, max_posts_per_page) do page_size = max(max_posts_per_page, 1) div(total_items + page_size - 1, page_size) end defp paginate_posts(posts, max_posts_per_page) do case Enum.chunk_every(posts, max(max_posts_per_page, 1)) do [] -> [[]] chunks -> chunks end end defp report_snapshot_stage_progress(nil, _stage, _current, _total), do: :ok defp report_snapshot_stage_progress(_callback, _stage, _current, total) when total <= 0, do: :ok defp report_snapshot_stage_progress(callback, stage, current, total) do callback.(stage, current, total) :ok end defp build_single_outputs( project_id, main_language, published_posts, translations_by_post_language, localized_posts_by_language ) do post_outputs = Enum.map(published_posts, fn post -> canonical_variant = Map.get(translations_by_post_language, {post.id, main_language}, post) body = load_body(project_id, canonical_variant.file_path, canonical_variant.content) {post_output_path(post), render_post_output( project_id, post.template_slug, %{ id: canonical_variant.id, title: canonical_variant.title, content: body, slug: post.slug, language: canonical_variant.language, excerpt: canonical_variant.excerpt }, fn -> render_post_page(canonical_variant.title, body, post.slug, canonical_variant.language) end )} end) translation_outputs = localized_posts_by_language |> Enum.flat_map(fn {language, posts} -> Enum.map(posts, fn post -> body = load_body(project_id, post.file_path, post.content) {post_output_path(post, language), render_post_output( project_id, post.template_slug, %{ id: post.id, title: post.title, content: body, slug: post.slug, language: Map.get(post, :language), excerpt: post.excerpt }, fn -> render_post_page(post.title, body, post.slug, Map.get(post, :language)) end )} end) end) post_outputs ++ translation_outputs end defp list_published_posts(project_id) do Repo.all( from post in Post, where: post.project_id == ^project_id and post.status == :published, order_by: [asc: post.created_at, asc: post.slug] ) end defp normalize_sections(sections) do sections |> Enum.filter(&(&1 in @core_sections)) |> Enum.uniq() |> case do [] -> [:core] values -> values end end defp archive_path(language, segments, 1), do: archive_path(language, segments) defp archive_path(language, segments, page_number) do archive_path(language, segments ++ ["page", Integer.to_string(page_number)]) end defp archive_path(nil, segments), do: Path.join(segments ++ ["index.html"]) defp archive_path("", segments), do: Path.join(segments ++ ["index.html"]) defp archive_path(language, segments) do prefix = if language in [nil, ""], do: [], else: [language] Path.join(prefix ++ segments ++ ["index.html"]) end defp archive_route_segment(nil), do: "" defp archive_route_segment(value), do: value |> to_string() |> URI.encode(&URI.char_unreserved?/1) defp normalize_base_url(nil), do: nil defp normalize_base_url(url), do: String.trim_trailing(url, "/") defp normalize_blog_languages(main_language, blog_languages) do ([main_language] ++ (blog_languages || [])) |> Enum.reject(&(&1 in [nil, ""])) |> Enum.uniq() end defp route_language(main_language, language) when main_language == language, do: nil defp route_language(_main_language, language), do: language defp translation_lookup_map(published_translations) do Map.new(published_translations, fn translation -> {{translation.translation_for, translation.language}, translation} end) end defp resolve_posts_for_language(posts, target_language, translations_by_post_language, main_language) do target = String.downcase(to_string(target_language || "")) main = String.downcase(to_string(main_language || "")) Enum.map(posts, fn post -> post_language = String.downcase(to_string(Map.get(post, :language) || "")) effective_language = if post_language == "", do: main, else: post_language cond do is_binary(Map.get(post, :translation_source_slug)) -> post effective_language == target -> post true -> case Map.get(translations_by_post_language, {post.id, target_language}) do nil -> post translation -> build_localized_subtree_variant(post, translation) end end end) end defp build_localized_subtree_variant(post, translation) do %{ post | id: translation.id, title: translation.title, excerpt: translation.excerpt, content: translation.content, language: translation.language, updated_at: translation.updated_at, published_at: translation.published_at || post.published_at, file_path: translation.file_path } end defp render_home(plan, language) do [ "", "
Not Found