#351

backend/spec/models/tag_spec.rb

@@ -49,14 +49,24 @@ RSpec.describe Tag, type: :model do
       expect(result.fetch(:sections).fetch(tag.id)).to eq([[0, 60_000]])
     end
 
-    it 'parses fully open section literals as zero to end-of-video' do
+    it 'treats fully open section literals as plain tags' do
       result = described_class.normalise_tags!(
         ['伊地知ニジカ[-]'],
         with_sections: true
       )
 
       tag = result.fetch(:tags).find { _1.name == '伊地知ニジカ' }
-      expect(result.fetch(:sections).fetch(tag.id)).to eq([[0, nil]])
+      expect(result.fetch(:sections)[tag.id]).to be_nil
+    end
+
+    it 'treats [0:00-] as a plain tag' do
+      result = described_class.normalise_tags!(
+        ['伊地知ニジカ[0:00-]'],
+        with_sections: true
+      )
+
+      tag = result.fetch(:tags).find { _1.name == '伊地知ニジカ' }
+      expect(result.fetch(:sections)[tag.id]).to be_nil
     end
 
     it 'expands zero-width sections to one millisecond' do

backend/spec/requests/posts_spec.rb

@@ -36,6 +36,7 @@ RSpec.describe 'Posts API', type: :request do
             title: post.title,
             url: post.url,
             thumbnail_base: post.thumbnail_base,
+            video_ms: post.video_ms,
             tags: post.snapshot_tag_names.join(' '),
             parent_post_ids: post.snapshot_parent_post_ids.join(' '),
             original_created_from: post.original_created_from,
@@ -803,13 +804,62 @@ RSpec.describe 'Posts API', type: :request do
       )
     end
 
+    it 'creates a video post with duration' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'video post',
+        url: 'https://example.com/video-post',
+        tags: '動画 spec_tag',
+        duration: '3:00.500',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:created)
+      expect(Post.find(json.fetch('id')).video_ms).to eq(180_500)
+      expect(json.fetch('video_ms')).to eq(180_500)
+    end
+
+    it 'clears video_ms when the saved tags do not include 動画' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'non video post',
+        url: 'https://example.com/non-video-post',
+        tags: 'spec_tag',
+        duration: '3:00',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:created)
+      expect(Post.find(json.fetch('id')).video_ms).to be_nil
+    end
+
+    it 'returns validation error when a bounded section exceeds duration' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'too long section',
+        url: 'https://example.com/too-long-section',
+        tags: '動画 伊地知ニジカ[2:50-3:10]',
+        duration: '3:00',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:unprocessable_entity)
+      expect(json.fetch('errors')).to include(
+        'video_ms' => ['タグ区間の終端が動画時間を超えてゐます．']
+      )
+    end
+
     it 'saves open-ended sections with end_ms NULL' do
       sign_in_as(member)
 
       post '/posts', params: post_write_params(
         title: 'open ended section literal',
         url: 'https://example.com/open-ended-section-literal',
-        tags: '伊地知ニジカ[1:00-]',
+        tags: '動画 伊地知ニジカ[1:00-]',
+        duration: '3:00',
         thumbnail: dummy_upload
       )
 
@@ -823,7 +873,7 @@ RSpec.describe 'Posts API', type: :request do
       expect(section.end_ms).to be_nil
     end
 
-    it 'treats [-] as [0:00-] and saves end_ms NULL' do
+    it 'does not save sections for [-]' do
       sign_in_as(member)
 
       post '/posts', params: post_write_params(
@@ -837,10 +887,24 @@ RSpec.describe 'Posts API', type: :request do
 
       created_post = Post.find(json.fetch('id'))
       tag = Tag.joins(:tag_name).find_by!(tag_names: { name: '伊地知ニジカ' })
-      section = PostTagSection.find_by!(post: created_post, tag:)
+      expect(PostTagSection.find_by(post: created_post, tag:)).to be_nil
+    end
 
-      expect(section.begin_ms).to eq(0)
-      expect(section.end_ms).to be_nil
+    it 'does not save sections for [0:00-]' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'zero open ended section literal',
+        url: 'https://example.com/zero-open-ended-section-literal',
+        tags: '伊地知ニジカ[0:00-]',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:created)
+
+      created_post = Post.find(json.fetch('id'))
+      tag = Tag.joins(:tag_name).find_by!(tag_names: { name: '伊地知ニジカ' })
+      expect(PostTagSection.find_by(post: created_post, tag:)).to be_nil
     end
 
     it 'returns end_ms null for open-ended sections in show response' do
@@ -849,7 +913,8 @@ RSpec.describe 'Posts API', type: :request do
       post '/posts', params: post_write_params(
         title: 'show open ended section literal',
         url: 'https://example.com/show-open-ended-section-literal',
-        tags: '伊地知ニジカ[1:00-]',
+        tags: '動画 伊地知ニジカ[1:00-]',
+        duration: '3:00',
         thumbnail: dummy_upload
       )
 
@@ -864,6 +929,37 @@ RSpec.describe 'Posts API', type: :request do
       ])
     end
 
+    it 'allows open-ended sections when begin is within duration' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'valid open ended section literal',
+        url: 'https://example.com/valid-open-ended-section-literal',
+        tags: '動画 伊地知ニジカ[1:00-]',
+        duration: '3:00',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:created)
+    end
+
+    it 'rejects open-ended sections when begin equals duration' do
+      sign_in_as(member)
+
+      post '/posts', params: post_write_params(
+        title: 'invalid open ended section literal',
+        url: 'https://example.com/invalid-open-ended-section-literal',
+        tags: '動画 伊地知ニジカ[3:00-]',
+        duration: '3:00',
+        thumbnail: dummy_upload
+      )
+
+      expect(response).to have_http_status(:unprocessable_entity)
+      expect(json.fetch('errors')).to include(
+        'video_ms' => ['タグ区間の開始が動画時間以上です．']
+      )
+    end
+
     context "when nico tag already exists in tags" do
       before do
         Tag.find_undiscard_or_create_by!(