diff --git a/backend/app/controllers/wiki_assets_controller.rb b/backend/app/controllers/wiki_assets_controller.rb
new file mode 100644
index 0000000..e22f3c2
--- /dev/null
+++ b/backend/app/controllers/wiki_assets_controller.rb
@@ -0,0 +1,39 @@
+require 'digest'
+
+
+class WikiAssetsController < ApplicationController
+ def index
+ page_id = params[:wiki_page_id].to_i
+ page = WikiPage.find_by(id: page_id)
+ return head :not_found unless page
+
+ render json: WikiAssetRepr.many(page.assets)
+ end
+
+ def create
+ return head :unauthorized unless current_user
+ return head :forbidden unless current_user.gte_member?
+
+ wiki_page_id = params[:wiki_page_id].to_i
+ page = WikiPage.find_by(id: wiki_page_id)
+ return head :not_found unless page
+
+ file = params[:file]
+ return head :bad_request if file.blank?
+
+ asset = nil
+ page.with_lock do
+ no = page.next_asset_no
+ alt_text = params[:alt_text].presence
+ sha256 = Digest::SHA256.file(file.tempfile.path).digest
+
+ asset = WikiAsset.new(wiki_page_id:, no:, alt_text:, sha256:, created_by_user: current_user)
+ asset.file.attach(file)
+ asset.save!
+
+ page.update!(next_asset_no: no + 1)
+ end
+
+ render json: WikiAssetRepr.base(asset)
+ end
+end
diff --git a/backend/app/controllers/wiki_pages_controller.rb b/backend/app/controllers/wiki_pages_controller.rb
index dc6c47f..9e264fb 100644
--- a/backend/app/controllers/wiki_pages_controller.rb
+++ b/backend/app/controllers/wiki_pages_controller.rb
@@ -96,7 +96,7 @@ class WikiPagesController < ApplicationController
message = params[:message].presence
Wiki::Commit.content!(page:, body:, created_user: current_user, message:)
- render json: WikiPageRepr.base(page), status: :created
+ render json: WikiPageRepr.base(page).merge(body:), status: :created
else
render json: { errors: page.errors.full_messages },
status: :unprocessable_entity
@@ -107,7 +107,7 @@ class WikiPagesController < ApplicationController
return head :unauthorized unless current_user
return head :forbidden unless current_user.gte_member?
- title = params[:title]&.strip
+ title = params[:title].to_s.strip
body = params[:body].to_s
return head :unprocessable_entity if title.blank? || body.blank?
@@ -126,7 +126,7 @@ class WikiPagesController < ApplicationController
message:,
base_revision_id:)
- head :ok
+ render json: WikiPageRepr.base(page).merge(body:)
end
def search
diff --git a/backend/app/models/wiki_asset.rb b/backend/app/models/wiki_asset.rb
new file mode 100644
index 0000000..c772679
--- /dev/null
+++ b/backend/app/models/wiki_asset.rb
@@ -0,0 +1,12 @@
+class WikiAsset < ApplicationRecord
+ belongs_to :wiki_page
+ belongs_to :created_by_user, class_name: 'User'
+
+ has_one_attached :file
+
+ validates :file, presence: true
+
+ def url
+ Rails.application.routes.url_helpers.rails_blob_url(file, only_path: true)
+ end
+end
diff --git a/backend/app/models/wiki_page.rb b/backend/app/models/wiki_page.rb
index 1573127..b752599 100644
--- a/backend/app/models/wiki_page.rb
+++ b/backend/app/models/wiki_page.rb
@@ -15,6 +15,8 @@ class WikiPage < ApplicationRecord
foreign_key: :redirect_page_id,
dependent: :nullify
+ has_many :assets, class_name: 'WikiAsset', dependent: :destroy
+
belongs_to :tag_name
validates :tag_name, presence: true
diff --git a/backend/app/representations/wiki_asset_repr.rb b/backend/app/representations/wiki_asset_repr.rb
new file mode 100644
index 0000000..6a1e90f
--- /dev/null
+++ b/backend/app/representations/wiki_asset_repr.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+
+module WikiAssetRepr
+ BASE = { only: [:wiki_page_id, :no], methods: [:url] }.freeze
+
+ module_function
+
+ def base wiki_asset
+ wiki_asset.as_json(BASE)
+ end
+
+ def many wiki_assets
+ wiki_assets.map { |a| base(a) }
+ end
+end
diff --git a/backend/config/routes.rb b/backend/config/routes.rb
index b9db110..2a2a496 100644
--- a/backend/config/routes.rb
+++ b/backend/config/routes.rb
@@ -41,6 +41,8 @@ Rails.application.routes.draw do
get :exists
get :diff
end
+
+ resources :assets, controller: :wiki_assets, only: [:index, :create]
end
resources :posts, only: [:index, :show, :create, :update] do
diff --git a/backend/db/migrate/20260323192300_create_wiki_assets.rb b/backend/db/migrate/20260323192300_create_wiki_assets.rb
new file mode 100644
index 0000000..97e0c43
--- /dev/null
+++ b/backend/db/migrate/20260323192300_create_wiki_assets.rb
@@ -0,0 +1,17 @@
+class CreateWikiAssets < ActiveRecord::Migration[8.0]
+ def change
+ create_table :wiki_assets do |t|
+ t.references :wiki_page, null: false, foreign_key: true, index: false
+ t.integer :no, null: false
+ t.string :alt_text
+ t.column :sha256, 'binary(32)', null: false
+ t.references :created_by_user, null: false, foreign_key: { to_table: :users }
+ t.timestamps
+ end
+
+ add_index :wiki_assets, [:wiki_page_id, :sha256], unique: true
+ add_index :wiki_assets, [:wiki_page_id, :no], unique: true
+
+ add_column :wiki_pages, :next_asset_no, :integer, null: false, default: 1
+ end
+end
diff --git a/backend/db/schema.rb b/backend/db/schema.rb
index 6a2096b..82e8fe2 100644
--- a/backend/db/schema.rb
+++ b/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_23_192300) 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
@@ -239,6 +239,19 @@ 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 +267,7 @@ 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
@@ -320,6 +334,8 @@ 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"
diff --git a/backend/spec/requests/wiki_assets_spec.rb b/backend/spec/requests/wiki_assets_spec.rb
new file mode 100644
index 0000000..d0afbbf
--- /dev/null
+++ b/backend/spec/requests/wiki_assets_spec.rb
@@ -0,0 +1,191 @@
+require 'digest'
+require 'rails_helper'
+require 'stringio'
+
+
+RSpec.describe 'WikiAssets API', type: :request do
+ def dummy_upload(content = 'dummy-image', filename: 'dummy.png', content_type: 'image/png')
+ Rack::Test::UploadedFile.new(StringIO.new(content),
+ content_type,
+ original_filename: filename)
+ end
+
+ let(:member) { create(:user, :member, name: 'member user') }
+ let(:guest) { create(:user, name: 'guest user') }
+
+ let!(:tag_name) { TagName.create!(name: 'spec_wiki_asset_page') }
+ let!(:page) do
+ WikiPage.create!(tag_name: tag_name, created_user: member, updated_user: member).tap do |p|
+ Wiki::Commit.content!(page: p, body: 'init', created_user: member, message: 'init')
+ end
+ end
+
+ describe 'GET /wiki/:wiki_page_id/assets' do
+ subject(:do_request) do
+ get "/wiki/#{wiki_page_id}/assets"
+ end
+
+ let(:wiki_page_id) { page.id }
+
+ let!(:asset) do
+ WikiAsset.new(wiki_page: page,
+ no: 1,
+ alt_text: 'spec alt',
+ sha256: Digest::SHA256.digest('asset-1'),
+ created_by_user: member).tap do |record|
+ record.file.attach(dummy_upload('asset-1'))
+ record.save!
+ end
+ end
+
+ context 'when wiki page exists' do
+ it 'returns assets for the page' do
+ do_request
+
+ expect(response).to have_http_status(:ok)
+ expect(json).to be_an(Array)
+ expect(json.size).to eq(1)
+
+ expect(json.first).to include(
+ 'wiki_page_id' => page.id,
+ 'no' => 1)
+ end
+
+ it 'does not include assets from other pages' do
+ other_tag_name = TagName.create!(name: 'spec_other_wiki_asset_page')
+ other_page = WikiPage.create!(tag_name: other_tag_name,
+ created_user: member,
+ updated_user: member)
+ Wiki::Commit.content!(page: other_page, body: 'other', created_user: member, message: 'other')
+
+ WikiAsset.new(wiki_page: other_page,
+ no: 1,
+ alt_text: 'other alt',
+ sha256: Digest::SHA256.digest('asset-2'),
+ created_by_user: member).tap do |record|
+ record.file.attach(dummy_upload('asset-2', filename: 'other.png'))
+ record.save!
+ end
+
+ do_request
+
+ expect(response).to have_http_status(:ok)
+ expect(json.size).to eq(1)
+ expect(json.first['wiki_page_id']).to eq(page.id)
+ end
+ end
+
+ context 'when wiki page does not exist' do
+ let(:wiki_page_id) { 999_999_999 }
+
+ it 'returns 404' do
+ do_request
+ expect(response).to have_http_status(:not_found)
+ end
+ end
+ end
+
+ describe 'POST /wiki/:wiki_page_id/assets' do
+ subject(:do_request) do
+ post "/wiki/#{wiki_page_id}/assets", params: params
+ end
+
+ let(:wiki_page_id) { page.id }
+ let(:params) do
+ { file: dummy_upload(upload_content),
+ alt_text: 'uploaded alt' }
+ end
+ let(:upload_content) { 'uploaded-image-binary' }
+
+ context 'when not logged in' do
+ it 'returns 401' do
+ sign_out
+ do_request
+ expect(response).to have_http_status(:unauthorized)
+ end
+ end
+
+ context 'when logged in but not member' do
+ it 'returns 403' do
+ sign_in_as(guest)
+ do_request
+ expect(response).to have_http_status(:forbidden)
+ end
+ end
+
+ context 'when wiki page does not exist' do
+ let(:wiki_page_id) { 999_999_999 }
+
+ it 'returns 404' do
+ sign_in_as(member)
+ do_request
+ expect(response).to have_http_status(:not_found)
+ end
+ end
+
+ context 'when file is blank' do
+ let(:params) { { alt_text: 'uploaded alt' } }
+
+ it 'returns 400' do
+ sign_in_as(member)
+ do_request
+ expect(response).to have_http_status(:bad_request)
+ end
+ end
+
+ context 'when success' do
+ before do
+ sign_in_as(member)
+ end
+
+ it 'creates asset, attaches file, increments next_asset_no, and returns json' do
+ expect { do_request }
+ .to change(WikiAsset, :count).by(1)
+
+ expect(response).to have_http_status(:ok)
+
+ asset = WikiAsset.order(:id).last
+ expect(asset.wiki_page_id).to eq(page.id)
+ expect(asset.no).to eq(1)
+ expect(asset.alt_text).to eq('uploaded alt')
+ expect(asset.sha256).to eq(Digest::SHA256.digest(upload_content))
+ expect(asset.created_by_user_id).to eq(member.id)
+ expect(asset.file).to be_attached
+ expect(asset.file.download).to eq(upload_content)
+
+ expect(page.reload.next_asset_no).to eq(2)
+
+ expect(json).to include(
+ 'wiki_page_id' => page.id,
+ 'no' => 1,
+ 'url' => asset.url
+ )
+ end
+
+ it 'uses the next page-local number when assets already exist' do
+ existing = WikiAsset.new(wiki_page: page,
+ no: 1,
+ alt_text: 'existing alt',
+ sha256: Digest::SHA256.digest('existing'),
+ created_by_user: member)
+ existing.file.attach(dummy_upload('existing', filename: 'existing.png'))
+ existing.save!
+ page.update!(next_asset_no: 2)
+
+ do_request
+
+ expect(response).to have_http_status(:ok)
+
+ asset = WikiAsset.order(:id).last
+ expect(asset.no).to eq(2)
+ expect(page.reload.next_asset_no).to eq(3)
+
+ expect(json).to include(
+ 'wiki_page_id' => page.id,
+ 'no' => 2,
+ 'url' => asset.url
+ )
+ end
+ end
+ end
+end
diff --git a/backend/spec/requests/wiki_spec.rb b/backend/spec/requests/wiki_spec.rb
index 4541501..bc92f1c 100644
--- a/backend/spec/requests/wiki_spec.rb
+++ b/backend/spec/requests/wiki_spec.rb
@@ -97,13 +97,14 @@ RSpec.describe 'Wiki API', type: :request do
post endpoint, params: { title: 'TestPage', body: "a\nb\nc", message: 'init' },
headers: auth_headers(member)
end
- .to change(WikiPage, :count).by(1)
- .and change(WikiRevision, :count).by(1)
+ .to change(WikiPage, :count).by(1)
+ .and change(WikiRevision, :count).by(1)
expect(response).to have_http_status(:created)
page_id = json.fetch('id')
expect(json.fetch('title')).to eq('TestPage')
+ expect(json.fetch('body')).to eq("a\nb\nc")
page = WikiPage.find(page_id)
rev = page.current_revision
@@ -111,30 +112,11 @@ RSpec.describe 'Wiki API', type: :request do
expect(rev).to be_content
expect(rev.message).to eq('init')
- # body が復元できること
expect(page.body).to eq("a\nb\nc")
-
- # 行数とリレーションの整合
expect(rev.lines_count).to eq(3)
expect(rev.wiki_revision_lines.order(:position).pluck(:position)).to eq([0, 1, 2])
expect(rev.wiki_lines.pluck(:body)).to match_array(%w[a b c])
end
-
- it 'reuses existing WikiLine rows by sha256' do
- # 先に同じ行を作っておく
- WikiLine.create!(sha256: Digest::SHA256.hexdigest('a'), body: 'a', created_at: Time.current, updated_at: Time.current)
-
- post endpoint,
- params: { title: 'Reuse', body: "a\na" },
- headers: auth_headers(member)
-
- page = WikiPage.find(JSON.parse(response.body).fetch('id'))
- rev = page.current_revision
- expect(rev.lines_count).to eq(2)
-
- # "a" の WikiLine が増殖しない(1行のはず)
- expect(WikiLine.where(body: 'a').count).to eq(1)
- end
end
end
diff --git a/frontend/src/components/WikiBody.tsx b/frontend/src/components/WikiBody.tsx
index 50316b2..a071e79 100644
--- a/frontend/src/components/WikiBody.tsx
+++ b/frontend/src/components/WikiBody.tsx
@@ -1,48 +1,10 @@
-import { useQuery } from '@tanstack/react-query'
-import { useMemo } from 'react'
-import ReactMarkdown from 'react-markdown'
-import remarkGFM from 'remark-gfm'
-
-import PrefetchLink from '@/components/PrefetchLink'
-import SectionTitle from '@/components/common/SectionTitle'
-import SubsectionTitle from '@/components/common/SubsectionTitle'
-import { wikiKeys } from '@/lib/queryKeys'
-import remarkWikiAutoLink from '@/lib/remark-wiki-autolink'
-import { fetchWikiPages } from '@/lib/wiki'
+import WikiMarkdown from '@/components/WikiMarkdown'
import type { FC } from 'react'
-import type { Components } from 'react-markdown'
type Props = { title: string
body?: string }
-const mdComponents = { h1: ({ children }) =>