🔨 migrate slope chart configs

db/migration/1733850063207-RemoveColorDimensionFromSlopeCharts.ts

@@ -0,0 +1,32 @@
+import { MigrationInterface, QueryRunner } from "typeorm"
+
+export class RemoveColorDimensionFromSlopeCharts1733850063207
+    implements MigrationInterface
+{
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        // remove color dimension for all slope charts
+        // the y-dimension always comes first and the color dimension second,
+        // so it's safe to keep the first dimension only
+        await queryRunner.query(`
+            -- sql
+            UPDATE chart_configs
+            SET
+                patch = JSON_REPLACE(patch, '$.dimensions', JSON_ARRAY(patch -> '$.dimensions[0]')),
+                full = JSON_REPLACE(full, '$.dimensions', JSON_ARRAY(full -> '$.dimensions[0]'))
+            WHERE
+                chartType = 'SlopeChart'
+        `)
+
+        // remove the color dimension for slope charts from the chart_dimensions table
+        await queryRunner.query(`
+            -- sql
+            DELETE cd FROM chart_dimensions cd
+            JOIN charts c ON c.id = cd.chartId
+            JOIN chart_configs cc ON c.configId = cc.id
+            WHERE cc.chartType = 'SlopeChart' AND cd.property = 'color'
+        `)
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-empty-function
+    public async down(): Promise<void> {}
+}