#399

backend/app/services/post_import_runner.rb

@@ -1,16 +1,4 @@
 class PostImportRunner
-  MAX_ROWS = PostImportSourceParser::MAX_ROWS
-  ATTRIBUTE_KEYS = [
-    'title',
-    'thumbnail_base',
-    'original_created_from',
-    'original_created_before',
-    'duration',
-    'tags',
-    'parent_post_ids',
-    'video_ms',
-  ].freeze
-
   def initialize actor:, rows:, existing: 'skip'
     @actor = actor
     @rows = rows
@@ -18,14 +6,7 @@ class PostImportRunner
   end
 
   def run
-    raise ArgumentError, "取込件数は #{ MAX_ROWS } 件までです．" if @rows.length > MAX_ROWS
-    if @rows.sum { |row| row.to_json.bytesize } > PostImportSourceParser::MAX_BYTES
-      raise ArgumentError, '取込データが大きすぎます．'
-    end
-
-    normalised_rows = @rows.map { |row| normalise_row(row) }
-    source_rows = normalised_rows.map { _1['source_row'] }
-    raise ArgumentError, '元行番号が重複しています．' if source_rows.uniq.length != source_rows.length
+    normalised_rows = PostImportRowNormaliser.normalise!(@rows)
 
     results = normalised_rows.map { |row| run_row(row) }
     {
@@ -39,31 +20,21 @@ class PostImportRunner
   private
 
   def run_row row
-    validate_row_structure!(row)
-    attributes = row.fetch('attributes', { }).to_h.transform_keys { _1.to_s.underscore }
-    raise ArgumentError, '取込項目が不正です．' unless (attributes.keys - ATTRIBUTE_KEYS).empty?
-    if attributes.values.any? { _1.to_s.bytesize > PostImportSourceParser::MAX_CELL_BYTES }
-      raise ArgumentError, '取込項目が大きすぎます．'
-    end
-    if row['url'].to_s.bytesize > PostImportSourceParser::MAX_CELL_BYTES
-      raise ArgumentError, 'URL が長すぎます．'
-    end
-    validate_tag_sources!(row['tag_sources'])
+    attributes = row.fetch('attributes', { }).transform_keys { _1.to_s.underscore }
     preview = PostImportPreviewer.new(
-      parsed: { columns: [], rows: [] },
-      url_column: 0,
-      mappings: {},
-      existing: @existing,
-    ).preview_rows(
-      rows: [{
-        source_row: row['source_row'],
-        url: row['url'],
-        attributes:,
-        provenance: row['provenance'],
-        tag_sources: row['tag_sources'],
-      }],
-      fetch_metadata: false,
-    ).first
+        parsed: { columns: [], rows: [] },
+        url_column: 0,
+        mappings: {},
+        existing: @existing)
+      .preview_rows(
+        rows: [{
+          source_row: row['source_row'],
+          url: row['url'],
+          attributes:,
+          provenance: row['provenance'],
+          tag_sources: row['tag_sources'],
+        }],
+        fetch_metadata: false).first
     if preview[:validation_errors].present?
       return {
         source_row: row['source_row'],
@@ -94,55 +65,4 @@ class PostImportRunner
     )
     { source_row: row['source_row'], status: 'failed', errors: { base: ['登録中にエラーが発生しました．'] } }
   end
-
-  def validate_tag_sources! sources
-    return if sources.blank?
-
-    sources = sources.to_h
-    raise ArgumentError unless (sources.keys - ['automatic', 'mapped', 'fixed', 'manual']).empty?
-    raise ArgumentError unless sources.values.all?(String)
-    if sources.values.any? { _1.bytesize > PostImportSourceParser::MAX_CELL_BYTES }
-      raise ArgumentError
-    end
-    raise ArgumentError if sources.values.sum(&:bytesize) > PostImportSourceParser::MAX_CELL_BYTES
-  end
-
-  def validate_row_structure! row
-    raise ArgumentError unless row['source_row'].is_a?(Integer) && row['source_row'].positive?
-    raise ArgumentError unless row['url'].is_a?(String)
-    raise ArgumentError unless row['attributes'].is_a?(Hash)
-    unless row['attributes'].values.all? { |value|
-             value.is_a?(String) ||
-               value.is_a?(Numeric) ||
-               value == true ||
-               value == false ||
-               value.nil?
-           }
-      raise ArgumentError
-    end
-    provenance = row['provenance']
-    raise ArgumentError unless provenance.is_a?(Hash)
-    allowed = ATTRIBUTE_KEYS + ['url']
-    raise ArgumentError unless (provenance.keys - allowed).empty?
-    unless provenance.values.all? { _1.in?(['automatic', 'mapped', 'fixed', 'manual']) }
-      raise ArgumentError
-    end
-    metadata_url = row['metadata_url']
-    raise ArgumentError unless metadata_url.nil? || metadata_url.is_a?(String)
-    raise ArgumentError if metadata_url.to_s.bytesize > PostImportSourceParser::MAX_CELL_BYTES
-    raise ArgumentError if row.to_json.bytesize > PostImportSourceParser::MAX_BYTES
-    tag_sources = row['tag_sources']
-    raise ArgumentError unless tag_sources.nil? || tag_sources.is_a?(Hash)
-  end
-
-  def normalise_row row
-    raise ArgumentError, '取込行の形式が不正です．' unless row.is_a?(Hash)
-
-    normalised = row.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