Initial commit

app/models/external_data_import.rb

@@ -0,0 +1,26 @@
+require_relative './data_import'
+require_relative './visualization/external_source'
+
+class ExternalDataImport < Sequel::Model
+  many_to_one :data_import
+  many_to_one :external_source, class: CartoDB::Visualization::ExternalSource
+
+  def initialize(data_import_id, external_source_id, synchronization_id = nil)
+    super({
+        external_source_id: external_source_id,
+        data_import_id: data_import_id,
+        synchronization_id: synchronization_id
+      })
+  end
+
+  def self.by_user_id(user_id)
+    user_data_imports = DataImport.where(user_id: user_id)
+    ExternalDataImport.where(data_import_id: user_data_imports.select(:id)).all
+  end
+
+  def synchronization
+    CartoDB::Synchronization::Member.new(id: self.synchronization_id).fetch
+  rescue KeyError
+    nil
+  end
+end