added cascading delete

src/app/db/migrations/0150_green_switch.sql

@@ -0,0 +1,6 @@
+ALTER TABLE "plan_recommendations" DROP CONSTRAINT "plan_recommendations_plan_id_plan_id_fk";
+--> statement-breakpoint
+ALTER TABLE "recommendation_materials" DROP CONSTRAINT "recommendation_materials_recommendation_id_recommendation_id_fk";
+--> statement-breakpoint
+ALTER TABLE "plan_recommendations" ADD CONSTRAINT "plan_recommendations_plan_id_plan_id_fk" FOREIGN KEY ("plan_id") REFERENCES "public"."plan"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "recommendation_materials" ADD CONSTRAINT "recommendation_materials_recommendation_id_recommendation_id_fk" FOREIGN KEY ("recommendation_id") REFERENCES "public"."recommendation"("id") ON DELETE cascade ON UPDATE no action;

src/app/db/migrations/0151_regular_lila_cheney.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "plan_recommendations" DROP CONSTRAINT "plan_recommendations_recommendation_id_recommendation_id_fk";
+--> statement-breakpoint
+ALTER TABLE "plan_recommendations" ADD CONSTRAINT "plan_recommendations_recommendation_id_recommendation_id_fk" FOREIGN KEY ("recommendation_id") REFERENCES "public"."recommendation"("id") ON DELETE cascade ON UPDATE no action;

src/app/db/migrations/0152_sparkling_kat_farrell.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "plan_recommendations" DROP CONSTRAINT "plan_recommendations_plan_id_plan_id_fk";
+--> statement-breakpoint
+ALTER TABLE "plan_recommendations" ADD CONSTRAINT "plan_recommendations_plan_id_plan_id_fk" FOREIGN KEY ("plan_id") REFERENCES "public"."plan"("id") ON DELETE no action ON UPDATE no action;

src/app/db/migrations/meta/_journal.json

@@ -1051,6 +1051,27 @@
       "when": 1769597155526,
       "tag": "0149_rich_luminals",
       "breakpoints": true
+    },
+    {
+      "idx": 150,
+      "version": "7",
+      "when": 1771753702175,
+      "tag": "0150_green_switch",
+      "breakpoints": true
+    },
+    {
+      "idx": 151,
+      "version": "7",
+      "when": 1771754445853,
+      "tag": "0151_regular_lila_cheney",
+      "breakpoints": true
+    },
+    {
+      "idx": 152,
+      "version": "7",
+      "when": 1771754572720,
+      "tag": "0152_sparkling_kat_farrell",
+      "breakpoints": true
     }
   ]
 }

src/app/db/schema/recommendations.ts

@@ -95,15 +95,15 @@ export const recommendation = pgTable(
     index("idx_recommendation_active_defaults")
       .on(table.id)
       .where(
-        sql`${table.default} = true AND ${table.alreadyInstalled} = false`
+        sql`${table.default} = true AND ${table.alreadyInstalled} = false`,
       ),
 
     index("idx_recommendation_active_id_property")
       .on(table.id, table.propertyId)
       .where(
-        sql`${table.default} = true AND ${table.alreadyInstalled} = false`
+        sql`${table.default} = true AND ${table.alreadyInstalled} = false`,
       ),
-  ]
+  ],
 );
 
 export const unitQuantity: [string, ...string[]] = ["m2", "part", "kwp"];
@@ -117,7 +117,7 @@ export const recommendationMaterials = pgTable(
       mode: "bigint",
     })
       .notNull()
-      .references(() => recommendation.id),
+      .references(() => recommendation.id, { onDelete: "cascade" }),
     materialId: bigint("material_id", { mode: "bigint" })
       .notNull()
       .references(() => material.id),
@@ -129,9 +129,9 @@ export const recommendationMaterials = pgTable(
   },
   (table) => [
     index("recommendation_materials_recommendation_id_idx").on(
-      table.recommendationId
+      table.recommendationId,
     ),
-  ]
+  ],
 );
 
 // We create a plan type, for common plan types that we produce for clients
@@ -165,7 +165,7 @@ export const plan = pgTable(
       .references(() => property.id),
 
     scenarioId: bigint("scenario_id", { mode: "bigint" }).references(
-      () => scenario.id
+      () => scenario.id,
     ),
 
     createdAt: timestamp("created_at").notNull().defaultNow(),
@@ -220,15 +220,15 @@ export const plan = pgTable(
   (table) => [
     index("idx_plan_portfolio_scenario").on(
       table.portfolioId,
-      table.scenarioId
+      table.scenarioId,
     ),
     index("idx_plan_latest_per_property").on(
       table.portfolioId,
       table.scenarioId,
       table.propertyId,
-      table.createdAt.desc()
+      table.createdAt.desc(),
     ),
-  ]
+  ],
 );
 
 export const planRecommendations = pgTable(
@@ -242,15 +242,15 @@ export const planRecommendations = pgTable(
       mode: "bigint",
     })
       .notNull()
-      .references(() => recommendation.id),
+      .references(() => recommendation.id, { onDelete: "cascade" }),
   },
   (table) => [
     index("idx_plan_recommendations_plan_id").on(table.planId),
     index("idx_plan_recommendations_plan_rec").on(
       table.planId,
-      table.recommendationId
+      table.recommendationId,
     ),
-  ]
+  ],
 );
 
 export const HousingType: [string, ...string[]] = ["Private", "Social"];
@@ -273,7 +273,7 @@ export const scenario = pgTable("scenario", {
   alreadyInstalledFilePath: text("already_installed_file_path"),
   patchesFilePath: text("patches_file_path"),
   nonInvasideRecommendationsFilePath: text(
-    "non_invasive_recommendations_file_path"
+    "non_invasive_recommendations_file_path",
   ),
   exclusions: text("exclusions"),
   multiPlan: boolean("multi_plan"),
@@ -298,10 +298,10 @@ export const scenario = pgTable("scenario", {
   energyBillPerUnitPreRetrofit: text("energy_bill_per_unit_pre_retrofit"),
   energyBillPerUnitPostRetrofit: text("energy_bill_per_unit_post_retrofit"),
   energyConsumptionPerUnitPreRetrofit: text(
-    "energy_consumption_per_unit_pre_retrofit"
+    "energy_consumption_per_unit_pre_retrofit",
   ),
   energyConsumptionPerUnitPostRetrofit: text(
-    "energy_consumption_per_unit_post_retrofit"
+    "energy_consumption_per_unit_post_retrofit",
   ),
   valuationImprovementPerUnit: text("valuation_improvement_per_unit"),
   costPerUnit: text("cost_per_unit"),
@@ -345,7 +345,7 @@ export const installedMeasure = pgTable(
     index("idx_installed_measure_uprn_measure")
       .on(table.uprn, table.measureType)
       .where(sql`${table.isActive} = true`),
-  ]
+  ],
 );
 
 export type Plan = InferModel<typeof plan, "select">;
@@ -460,7 +460,7 @@ export const measuresDisplayLabels = {
 export type MeasureKey = keyof typeof measuresDisplayLabels;
 
 export const measuresList: MeasureKey[] = Object.keys(
-  measuresDisplayLabels
+  measuresDisplayLabels,
 ) as MeasureKey[];
 
 export const MeasureKeyEnum = z.enum([