feat(categories): implement category management with hierarchical structure and update product association

2026-04-17 21:16:58 +02:00
parent a9e83544c5
commit cc8be88462
11 changed files with 286 additions and 42 deletions
@@ -0,0 +1,133 @@
+-- CreateTable Category
+CREATE TABLE `Category` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `name` VARCHAR(191) NOT NULL,
+    `parentId` INTEGER NULL,
+    PRIMARY KEY (`id`),
+    UNIQUE INDEX `Category_name_parentId_key`(`name`, `parentId`),
+    INDEX `Category_parentId_idx`(`parentId`),
+    CONSTRAINT `Category_parentId_fkey` FOREIGN KEY (`parentId`) REFERENCES `Category` (`id`) ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- Add categoryId to Product
+ALTER TABLE `Product` ADD COLUMN `categoryId` INTEGER NULL;
+ALTER TABLE `Product` ADD CONSTRAINT `Product_categoryId_fkey` FOREIGN KEY (`categoryId`) REFERENCES `Category` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- ============================================================
+-- Seed: Huvudkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Bröd & Kakor', NULL);
+SET @brod_kakor = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Färdigmat', NULL);
+SET @fardigmat = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Fryst', NULL);
+SET @fryst = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Frukt & Grönt', NULL);
+SET @frukt_gront = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Glass, godis & snacks', NULL);
+SET @glass = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kött, chark & fågel', NULL);
+SET @kott = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Mejeri, ost & ägg', NULL);
+SET @mejeri = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Skafferi', NULL);
+SET @skafferi = LAST_INSERT_ID();
+
+-- ============================================================
+-- Bröd & Kakor → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Bröd', @brod_kakor);
+SET @brod = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kex & Kakor', @brod_kakor);
+SET @kex = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Matbröd', @brod);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Matkex', @kex);
+
+-- ============================================================
+-- Färdigmat → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Såser, grytbaser & övriga smaksättare', @fardigmat);
+SET @fd_saser = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Gratäng & Röror mm', @fardigmat);
+SET @fd_grataeng = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Dressing & övriga smaksättare', @fd_saser);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Krämiga sallader', @fd_grataeng);
+
+-- ============================================================
+-- Fryst → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Bageri', @fryst);
+SET @fr_bageri = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Grönsaker & kryddor', @fryst);
+SET @fr_gron = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Bröd & fikabröd', @fr_bageri);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kryddor', @fr_gron);
+
+-- ============================================================
+-- Frukt & Grönt → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Potatis & rotsaker', @frukt_gront);
+SET @fg_potatis = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kryddor & smaksättare', @frukt_gront);
+SET @fg_kryddor = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Lök', @fg_potatis);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Smaksättare', @fg_kryddor);
+
+-- ============================================================
+-- Glass, godis & snacks → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Chips, snacks & dip', @glass);
+SET @gl_chips = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Chips', @gl_chips);
+
+-- ============================================================
+-- Kött, chark & fågel → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Pålägg', @kott);
+SET @ko_paalagg = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Korv', @kott);
+SET @ko_korv = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Skivat pålägg', @ko_paalagg);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Ölkorv', @ko_korv);
+
+-- ============================================================
+-- Mejeri, ost & ägg → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Ost', @mejeri);
+SET @me_ost = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Mjölk', @mejeri);
+SET @me_mjolk = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Filmjölk & Yoghurt', @mejeri);
+SET @me_filmjolk = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Färskost', @me_ost);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Dessertost', @me_ost);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Standardmjölk', @me_mjolk);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Filmjölk', @me_filmjolk);
+
+-- ============================================================
+-- Skafferi → underkategorier
+-- ============================================================
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kryddor & smaksättare', @skafferi);
+SET @sk_kryddor = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Pasta, ris & matgryn', @skafferi);
+SET @sk_pasta = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Oliver & delikatesser', @skafferi);
+SET @sk_oliver = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Konserver & burkar', @skafferi);
+SET @sk_konserver = LAST_INSERT_ID();
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Asien', @skafferi);
+SET @sk_asien = LAST_INSERT_ID();
+
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Sås, dressing & majonnäs', @sk_kryddor);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Kryddor', @sk_kryddor);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Färsk pasta', @sk_pasta);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Delikatesser', @sk_oliver);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Tomatkonserver', @sk_konserver);
+INSERT INTO `Category` (`name`, `parentId`) VALUES ('Såser & grytbaser', @sk_asien);
@@ -45,6 +45,20 @@ model Product {
  ownerId           Int?
  owner             User?           @relation(fields: [ownerId], references: [id], onDelete: SetNull)
  userProducts      UserProduct[]
+  categoryId        Int?
+  categoryRef       Category?       @relation(fields: [categoryId], references: [id], onDelete: SetNull)
+}
+
+model Category {
+  id       Int        @id @default(autoincrement())
+  name     String
+  parentId Int?
+  parent   Category?  @relation("CategoryTree", fields: [parentId], references: [id], onDelete: SetNull)
+  children Category[] @relation("CategoryTree")
+  products Product[]
+
+  @@unique([name, parentId])
+  @@index([parentId])
 }

 model UserProduct {