素材管理（#99） (#303)

#99

#99

#99

#99

#99

#99

#99

#99

#99

#99

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #303

backend/db/migrate/20260329034700_create_materials.rb

@@ -0,0 +1,34 @@
+class CreateMaterials < ActiveRecord::Migration[8.0]
+  def change
+    create_table :materials do |t|
+      t.string :url
+      t.references :parent, index: true, foreign_key: { to_table: :materials }
+      t.references :tag, index: true, foreign_key: true
+      t.references :created_by_user, foreign_key: { to_table: :users }
+      t.references :updated_by_user, foreign_key: { to_table: :users }
+      t.timestamps
+      t.datetime :discarded_at, index: true
+      t.virtual :active_url, type: :string,
+                             as: 'IF(discarded_at IS NULL, url, NULL)',
+                             stored: false
+
+      t.index :active_url, unique: true
+    end
+
+    create_table :material_versions do |t|
+      t.references :material, null: false, foreign_key: true
+      t.integer :version_no, null: false
+      t.string :url, index: true
+      t.references :parent, index: true, foreign_key: { to_table: :materials }
+      t.references :tag, index: true, foreign_key: true
+      t.references :created_by_user, foreign_key: { to_table: :users }
+      t.references :updated_by_user, foreign_key: { to_table: :users }
+      t.timestamps
+      t.datetime :discarded_at, index: true
+
+      t.index [:material_id, :version_no],
+              unique: true,
+              name: 'index_material_versions_on_material_id_and_version_no'
+    end
+  end
+end

backend/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
+ActiveRecord::Schema[8.0].define(version: 2026_03_29_034700) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -56,6 +56,45 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
     t.index ["ip_address"], name: "index_ip_addresses_on_ip_address", unique: true
   end
 
+  create_table "material_versions", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.bigint "material_id", null: false
+    t.integer "version_no", null: false
+    t.string "url"
+    t.bigint "parent_id"
+    t.bigint "tag_id"
+    t.bigint "created_by_user_id"
+    t.bigint "updated_by_user_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.datetime "discarded_at"
+    t.index ["created_by_user_id"], name: "index_material_versions_on_created_by_user_id"
+    t.index ["discarded_at"], name: "index_material_versions_on_discarded_at"
+    t.index ["material_id", "version_no"], name: "index_material_versions_on_material_id_and_version_no", unique: true
+    t.index ["material_id"], name: "index_material_versions_on_material_id"
+    t.index ["parent_id"], name: "index_material_versions_on_parent_id"
+    t.index ["tag_id"], name: "index_material_versions_on_tag_id"
+    t.index ["updated_by_user_id"], name: "index_material_versions_on_updated_by_user_id"
+    t.index ["url"], name: "index_material_versions_on_url"
+  end
+
+  create_table "materials", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.string "url"
+    t.bigint "parent_id"
+    t.bigint "tag_id"
+    t.bigint "created_by_user_id"
+    t.bigint "updated_by_user_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.datetime "discarded_at"
+    t.virtual "active_url", type: :string, as: "if((`discarded_at` is null),`url`,NULL)"
+    t.index ["active_url"], name: "index_materials_on_active_url", unique: true
+    t.index ["created_by_user_id"], name: "index_materials_on_created_by_user_id"
+    t.index ["discarded_at"], name: "index_materials_on_discarded_at"
+    t.index ["parent_id"], name: "index_materials_on_parent_id"
+    t.index ["tag_id"], name: "index_materials_on_tag_id"
+    t.index ["updated_by_user_id"], name: "index_materials_on_updated_by_user_id"
+  end
+
   create_table "nico_tag_relations", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.bigint "nico_tag_id", null: false
     t.bigint "tag_id", null: false
@@ -239,6 +278,19 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
     t.datetime "updated_at", null: false
   end
 
+  create_table "wiki_assets", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
+    t.bigint "wiki_page_id", null: false
+    t.integer "no", null: false
+    t.string "alt_text"
+    t.binary "sha256", limit: 32, null: false
+    t.bigint "created_by_user_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["created_by_user_id"], name: "index_wiki_assets_on_created_by_user_id"
+    t.index ["wiki_page_id", "no"], name: "index_wiki_assets_on_wiki_page_id_and_no", unique: true
+    t.index ["wiki_page_id", "sha256"], name: "index_wiki_assets_on_wiki_page_id_and_sha256", unique: true
+  end
+
   create_table "wiki_lines", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.string "sha256", limit: 64, null: false
     t.text "body", null: false
@@ -254,6 +306,7 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.datetime "discarded_at"
+    t.integer "next_asset_no", default: 1, null: false
     t.index ["created_user_id"], name: "index_wiki_pages_on_created_user_id"
     t.index ["discarded_at"], name: "index_wiki_pages_on_discarded_at"
     t.index ["tag_name_id"], name: "index_wiki_pages_on_tag_name_id", unique: true
@@ -292,6 +345,15 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "material_versions", "materials"
+  add_foreign_key "material_versions", "materials", column: "parent_id"
+  add_foreign_key "material_versions", "tags"
+  add_foreign_key "material_versions", "users", column: "created_by_user_id"
+  add_foreign_key "material_versions", "users", column: "updated_by_user_id"
+  add_foreign_key "materials", "materials", column: "parent_id"
+  add_foreign_key "materials", "tags"
+  add_foreign_key "materials", "users", column: "created_by_user_id"
+  add_foreign_key "materials", "users", column: "updated_by_user_id"
   add_foreign_key "nico_tag_relations", "tags"
   add_foreign_key "nico_tag_relations", "tags", column: "nico_tag_id"
   add_foreign_key "post_similarities", "posts"
@@ -320,6 +382,8 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_17_015000) do
   add_foreign_key "user_ips", "users"
   add_foreign_key "user_post_views", "posts"
   add_foreign_key "user_post_views", "users"
+  add_foreign_key "wiki_assets", "users", column: "created_by_user_id"
+  add_foreign_key "wiki_assets", "wiki_pages"
   add_foreign_key "wiki_pages", "tag_names"
   add_foreign_key "wiki_pages", "users", column: "created_user_id"
   add_foreign_key "wiki_pages", "users", column: "updated_user_id"