From ccfe65a6a4343f19a22af749bb25b75fb09f3c2b Mon Sep 17 00:00:00 2001
From: miteruzo <miteruzo@naver.com>
Date: Sun, 12 Jul 2026 02:01:25 +0900
Subject: [PATCH] #399

---
 backend/app/controllers/post_imports_controller.rb | 7 +++++--
 backend/app/services/post_import_previewer.rb      | 5 ++++-
 backend/app/services/post_import_runner.rb         | 7 ++++++-
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/backend/app/controllers/post_imports_controller.rb b/backend/app/controllers/post_imports_controller.rb
index 1d8abe6..582d589 100644
--- a/backend/app/controllers/post_imports_controller.rb
+++ b/backend/app/controllers/post_imports_controller.rb
@@ -107,11 +107,14 @@ class PostImportsController < ApplicationController
         raise ArgumentError, 'タグ由来が大きすぎます．'
       end
 
+      source_row = Integer(normalised['source_row'], exception: false)
+      raise ArgumentError, '元行番号が不正です．' if source_row.nil? || source_row <= 0
+
+      normalised['source_row'] = source_row
       normalised.symbolize_keys
     end
     source_rows = normalised_rows.map { _1[:source_row] }
-    if source_rows.any? { |value| Integer(value, exception: false).to_i <= 0 } ||
-       source_rows.uniq.length != source_rows.length
+    if source_rows.uniq.length != source_rows.length
       raise ArgumentError, '元行番号が不正です．'
     end
 
diff --git a/backend/app/services/post_import_previewer.rb b/backend/app/services/post_import_previewer.rb
index 307c243..3ec1625 100644
--- a/backend/app/services/post_import_previewer.rb
+++ b/backend/app/services/post_import_previewer.rb
@@ -164,7 +164,10 @@ class PostImportPreviewer
                     video_ms: parse_duration(attributes['duration'], errors))
     post.valid?
     post.errors.each { |error| (errors[error.attribute] ||= []) << error.message }
-    errors.delete(:url)
+    if errors[:url]
+      errors[:url].reject! { |message| message.include?('すでに存在') || message.include?('taken') }
+      errors.delete(:url) if errors[:url].empty?
+    end
   end
 
   def parse_duration value, errors
diff --git a/backend/app/services/post_import_runner.rb b/backend/app/services/post_import_runner.rb
index 2b20dff..9b9a15a 100644
--- a/backend/app/services/post_import_runner.rb
+++ b/backend/app/services/post_import_runner.rb
@@ -90,6 +90,11 @@ class PostImportRunner
       raise ArgumentError, '取込行の形式が不正です．'
     end
 
-    row.to_h.deep_transform_keys { _1.to_s.underscore }
+    normalised = row.to_h.deep_transform_keys { _1.to_s.underscore }
+    source_row = Integer(normalised['source_row'], exception: false)
+    raise ArgumentError, '元行番号が不正です．' if source_row.nil? || source_row <= 0
+
+    normalised['source_row'] = source_row
+    normalised
   end
 end