#399

backend/app/services/post_import_runner.rb

@@ -18,6 +18,7 @@ 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?
     raise ArgumentError, '取込項目が大きすぎます．' if attributes.values.any? { _1.to_s.bytesize > PostImportSourceParser::MAX_CELL_BYTES }
@@ -57,4 +58,16 @@ class PostImportRunner
     raise ArgumentError if sources.values.any? { _1.bytesize > PostImportSourceParser::MAX_CELL_BYTES }
     raise ArgumentError if sources.values.sum(&:bytesize) > PostImportSourceParser::MAX_CELL_BYTES
   end
+
+  def validate_row_structure! row
+    provenance = row['provenance']
+    raise ArgumentError unless provenance.is_a?(Hash)
+    allowed = ATTRIBUTE_KEYS + ['url']
+    raise ArgumentError unless (provenance.keys - allowed).empty?
+    raise ArgumentError unless provenance.values.all? { _1.in?(['automatic', 'mapped', 'fixed', 'manual']) }
+    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
+  end
 end

backend/app/services/post_import_source_parser.rb

@@ -44,7 +44,7 @@ class PostImportSourceParser
     keys = value.grep(Hash).flat_map(&:keys).map(&:to_s).uniq
     { columns: keys.each_with_index.map { |key, index| { key:, label: "#{ ('A'.ord + index).chr }：#{ key }" } },
       rows: value.each_with_index.map { |item, index| { source_row: index + 1,
-                                                         values: keys.map { item.is_a?(Hash) ? item[_1] || item[_1.to_sym] : nil } } } }
+                                                         values: keys.map { json_cell(item.is_a?(Hash) ? item[_1] || item[_1.to_sym] : nil) } } } }
   rescue JSON::ParserError, KeyError, ArgumentError => e
     raise ArgumentError, "JSON の形式が不正です: #{ e.message }"
   end
@@ -53,4 +53,13 @@ class PostImportSourceParser
     raise ArgumentError, "取込件数は #{ MAX_ROWS } 件までです．" if rows.length > MAX_ROWS
     raise ArgumentError, 'セルが大きすぎます．' if rows.flatten.any? { _1.to_s.bytesize > MAX_CELL_BYTES }
   end
+
+  def json_cell value
+    case value
+    when nil then ''
+    when String, Numeric, TrueClass, FalseClass then value.to_s
+    when Array, Hash then JSON.generate(value)
+    else raise ArgumentError, 'JSON のセル値が不正です．'
+    end
+  end
 end