Add database migration for series.image_url -> series_images.

Also I've updated test data to make them complete.

Author: php-coder

src/main/resources/liquibase/sql/test-series-with-catalogs-numbers.sql

@@ -7,8 +7,9 @@ INSERT INTO users(id, login, role, name, registered_at, activated_at, hash, salt
 	(4, 'test1', 'USER', 'Series Owner', NOW(), NOW(), '@valid_user_password_hash@', '@valid_user_password_salt@', 'test1@example.org');
 
 -- Used only in WhenUserAddSeries and WhenAdminAddSeries
-INSERT INTO series(id, quantity, perforated, created_at, created_by, updated_at, updated_by) VALUES
-	(1, 1, 1, NOW(), 4, NOW(), 4);
+INSERT INTO images(id, type) VALUES(1, 'PNG');
+INSERT INTO series(id, quantity, perforated, image_url, created_at, created_by, updated_at, updated_by) VALUES
+	(1, 1, 1, '/image/1', NOW(), 4, NOW(), 4);
 
 INSERT INTO michel_catalog(id, code) VALUES(1, '@existing_michel_number@');
 INSERT INTO series_michel_catalog(series_id, michel_id) VALUES(1, 1);

src/main/resources/liquibase/version/0.4/2015-07-22--image_url.xml

@@ -23,4 +23,30 @@
 
 	</changeSet>
 
+	<changeSet id="fill-series_images-table-based-on-values-from-image_url" author="php-coder" context="test-data, prod-data">
+		<preConditions>
+			<sqlCheck expectedResult="0">
+				SELECT COUNT(*)
+				FROM series
+				WHERE image_url IS NULL
+			</sqlCheck>
+		</preConditions>
+		
+		<comment>Migrates data from series.image_url to series_images</comment>
+		
+		<sql>
+			INSERT INTO series_images(series_id, image_id)
+			SELECT id AS series_id, REPLACE(image_url, '/image/', '') AS image_id
+			FROM series
+		</sql>
+		
+	</changeSet>
+	
+	<changeSet id="drop-image_url-column-from-series-table" author="php-coder" context="scheme">
+		<comment>Drops image_url column from series table</comment>
+		
+		<dropColumn tableName="series" columnName="image_url" />
+		
+	</changeSet>
+	
 </databaseChangeLog>