#306

backend/app/models/material_sync_source.rb

@@ -0,0 +1,43 @@
+class MaterialSyncSource < ApplicationRecord
+  belongs_to :created_by_user, class_name: 'User', optional: true
+  belongs_to :updated_by_user, class_name: 'User', optional: true
+
+  validates :name, presence: true
+  validates :source_kind,
+            presence: true,
+            inclusion: { in: MaterialSyncSuppression::SOURCE_KINDS }
+  validates :profile, presence: true, inclusion: { in: MaterialExportItem::VALID_PROFILES }
+  validate :source_value_must_be_present
+
+  scope :enabled, -> { where(enabled: true) }
+
+  def normalized_source_key
+    MaterialSyncSuppression.normalize_source_key(source_kind:,
+                                                 source_uri:,
+                                                 source_path:,
+                                                 source_file_id:)
+  end
+
+  private
+
+  def source_value_must_be_present
+    return if source_value_present?
+
+    errors.add(:base, '同期元を指定してください．')
+  end
+
+  def source_value_present?
+    case source_kind
+    when 'uri'
+      source_uri.present?
+    when 'google_drive_file'
+      source_file_id.present? || source_uri.present?
+    when 'google_drive_path'
+      source_file_id.present? || source_uri.present? || source_path.present?
+    when 'legacy_drive_path'
+      source_path.present?
+    else
+      normalized_source_key.present?
+    end
+  end
+end