#422

backend/app/controllers/wiki_pages_controller.rb

@@ -2,21 +2,129 @@ class WikiPagesController < ApplicationController
   rescue_from Wiki::Commit::Conflict, with: :render_wiki_conflict
 
   def index
+    # 互換性のための化石リソース
+    # TODO: ヘルプおよびタグ・グループ追加後に，
+    # TODO: タグ説明とヘルプ、タグ・グループから取得する作りに変更する．
+
     title = params[:title].to_s.strip
     if title.blank?
-      return render json: WikiPageRepr.base(
-          WikiPage.joins(:tag_name).includes(tag_name: :tag))
+      tag_descriptions = TagDescription.where(language_code: :ja).map do |td|
+        { id: td.id,
+          tag_name_id: td.tag.tag_name(:ja).id,
+          body: td.body,
+          created_user_id: td.created_by_user_id,
+          updated_user_id: td.updated_by_user_id,
+          created_at: td.created_at,
+          updated_at: td.updated_at,
+          discarded_at: nil,
+          version_no: td.version_no,
+          title: td.tag.name(:ja),
+          deprecated_at: td.tag.deprecated_at }
+      end
+      # TODO: ヘルプ移行したらここに追記
+      # TODO: タグ・グループ追加したらここに追記
+
+      # TODO: ヘルプ、タグ・グループ移行したらそれらもタイトルから除外に含める．
+      # てかこれ何順?
+      wiki_pages =
+          WikiPageRepr.base(WikiPage.joins(:tag_name).includes(tag_name: :tag))
+          .reject { |wp| tag_descriptions.any? { |td| td.title == wp.title } }
+
+      json = tag_descriptions + wiki_pages
+
+      return render json:
     end
 
-    q = WikiPage.joins(:tag_name).includes(tag_name: :tag)
+    q =
+        TagDescription.joins(tag: :tag_names)
+        .where(language_code: :ja)
+        .where(tag: { tag_names: { language_code: :ja, primary_flg: true } })
+        .where('tag_names.name LIKE ?', "%#{ ApplicationRecord.sanitize_sql_like(title) }%")
+    tag_descriptions = q.limit(20).map do |td|
+      { id: td.id,
+        tag_name_id: td.tag.tag_name(:ja).id,
+        body: td.body,
+        created_user_id: td.created_by_user_id,
+        updated_user_id: td.updated_by_user_id,
+        created_at: td.created_at,
+        updated_at: td.updated_at,
+        discarded_at: nil,
+        version_no: td.version_no,
+        title: td.tag.name(:ja),
+        deprecated_at: td.tag.deprecated_at }
+    end
+
+    q =
+        WikiPage.joins(:tag_name).includes(tag_name: :tag)
         .where('tag_names.name LIKE ?', "%#{ WikiPage.sanitize_sql_like(title) }%")
-    render json: WikiPageRepr.base(q.limit(20))
+    # TODO: ヘルプ、タグ・グループ移行したらそれらもタイトルから除外に含める．
+    wiki_pages =
+        WikiPageRepr.base(q.limit(20))
+        .reject { |wp| tag_descriptions.any? { |td| td.title == wp.title } }
+
+    json = (tag_descriptions + wiki_pages)[...20]
+
+    render json:
   end
 
   def show
+    tag_description = TagDescription.find_by(id: params[:id])
+
+    if tag_description
+      rev =
+          if params[:version].present?
+            TagDescriptionVersion.find_by(id: params[:version])
+          else
+            TagDescriptionVersion.find_by(tag_id: tag_description.tag_id,
+                                          language_code: :ja,
+                                          version_no: tag_description.version_no)
+          end
+
+      if rev
+        body =
+            if rev.version_no == tag_description.version_no
+              tag_description.body
+            else
+              rev.body
+            end
+        revision_id = rev.id
+        pred = TagDescriptionVersion.find_by(tag_id: tag_description.tag_id,
+                                             language_code: :ja,
+                                             version_no: tag_description.version_no - 1)&.id
+        succ = TagDescriptionVersion.find_by(tag_id: tag_description.tag_id,
+                                             language_code: :ja,
+                                             version_no: tag_description.version_no + 1)&.id
+        updated_at =
+            if rev.version_no == tag_description.version_no
+              tag_description.updated_at
+            else
+              rev.created_at
+            end
+
+        json = 
+            { id: tag_description.id,
+              tag_name_id: tag_description.tag.tag_name(:ja).id,
+              body:,
+              created_user_id: tag_description.created_by_user_id,
+              updated_user_id: tag_description.updated_by_user_id,
+              created_at: tag_description.created_at,
+              updated_at:,
+              discarded_at: nil,
+              version_no: tag_description.version_no,
+              title: tag_description.tag.name(:ja),
+              deprecated_at: tag_description.tag.deprecated_at,
+              revision_id:,
+              pred:,
+              succ: }
+
+        return render json:
+      end
+    end
+
     page = WikiPage.joins(:tag_name)
                    .includes(tag_name: :tag)
                    .find_by(id: params[:id])
+
     render_wiki_page_or_404 page
   end
 
@@ -156,10 +264,6 @@ class WikiPagesController < ApplicationController
     head :ok
   end
 
-  def search
-    index
-  end
-
   def changes
     id = params[:id].presence
     q = WikiRevision.joins(wiki_page: :tag_name)