feat: refactor inventory and recipe services for improved error handling and code reuse; add systematic backend review plan
Test Suite / test (24.15.0) (push) Has been cancelled
Test Suite / test (24.15.0) (push) Has been cancelled
This commit is contained in:
@@ -14,6 +14,26 @@ type InventoryQuery = {
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export class InventoryService {
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export class InventoryService {
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constructor(private prisma: PrismaService) {}
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constructor(private prisma: PrismaService) {}
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private throwInventoryItemNotFound(id: number): never {
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throw new NotFoundException(`Inventory item with id ${id} not found`);
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}
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private async findInventoryItemByIdOrThrow(id: number) {
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const existing = await this.prisma.inventoryItem.findUnique({ where: { id } });
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if (!existing) {
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this.throwInventoryItemNotFound(id);
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}
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return existing;
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}
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private async ensureProductExists(productId: number) {
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const product = await this.prisma.product.findUnique({ where: { id: productId } });
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if (!product) {
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throw new NotFoundException('Product not found');
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}
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return product;
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}
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async findAll(query?: InventoryQuery) {
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async findAll(query?: InventoryQuery) {
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const where: Prisma.InventoryItemWhereInput = {};
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const where: Prisma.InventoryItemWhereInput = {};
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const orderBy: Prisma.InventoryItemOrderByWithRelationInput[] = [];
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const orderBy: Prisma.InventoryItemOrderByWithRelationInput[] = [];
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@@ -46,16 +66,7 @@ export class InventoryService {
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}
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}
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async consume(id: number, data: ConsumeInventoryDto) {
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async consume(id: number, data: ConsumeInventoryDto) {
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const existing = await this.prisma.inventoryItem.findUnique({
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const existing = await this.findInventoryItemByIdOrThrow(id);
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where: { id },
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include: {
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product: true,
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},
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});
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if (!existing) {
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throw new NotFoundException(`Inventory item with id ${id} not found`);
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}
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const currentQuantity = Number(existing.quantity);
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const currentQuantity = Number(existing.quantity);
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const newQuantity = Math.max(0, currentQuantity - data.amountUsed);
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const newQuantity = Math.max(0, currentQuantity - data.amountUsed);
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@@ -84,13 +95,7 @@ export class InventoryService {
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}
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}
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async findConsumptionHistory(id: number) {
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async findConsumptionHistory(id: number) {
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const existing = await this.prisma.inventoryItem.findUnique({
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await this.findInventoryItemByIdOrThrow(id);
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where: { id },
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});
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if (!existing) {
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throw new NotFoundException(`Inventory item with id ${id} not found`);
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}
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return this.prisma.inventoryConsumption.findMany({
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return this.prisma.inventoryConsumption.findMany({
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where: {
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where: {
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@@ -129,13 +134,7 @@ export class InventoryService {
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}
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}
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async create(data: CreateInventoryDto) {
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async create(data: CreateInventoryDto) {
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const product = await this.prisma.product.findUnique({
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await this.ensureProductExists(data.productId);
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where: { id: data.productId },
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});
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if (!product) {
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throw new NotFoundException('Product not found');
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}
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return this.prisma.inventoryItem.create({
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return this.prisma.inventoryItem.create({
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data: {
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data: {
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@@ -161,22 +160,10 @@ export class InventoryService {
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}
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}
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async update(id: number, data: UpdateInventoryDto) {
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async update(id: number, data: UpdateInventoryDto) {
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const existing = await this.prisma.inventoryItem.findUnique({
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await this.findInventoryItemByIdOrThrow(id);
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where: { id },
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});
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if (!existing) {
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throw new NotFoundException(`Inventory item with id ${id} not found`);
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}
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if (typeof data.productId === 'number') {
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if (typeof data.productId === 'number') {
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const product = await this.prisma.product.findUnique({
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await this.ensureProductExists(data.productId);
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where: { id: data.productId },
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});
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if (!product) {
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throw new NotFoundException('Product not found');
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}
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}
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}
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const updateData: Prisma.InventoryItemUpdateInput = {};
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const updateData: Prisma.InventoryItemUpdateInput = {};
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@@ -241,10 +228,7 @@ export class InventoryService {
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}
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}
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async remove(id: number) {
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async remove(id: number) {
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const existing = await this.prisma.inventoryItem.findUnique({ where: { id } });
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await this.findInventoryItemByIdOrThrow(id);
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if (!existing) {
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throw new NotFoundException(`Inventory item with id ${id} not found`);
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}
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return this.prisma.inventoryItem.delete({ where: { id } });
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return this.prisma.inventoryItem.delete({ where: { id } });
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}
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}
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}
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}
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@@ -68,11 +68,8 @@ export class MealPlanService {
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return this.prisma.mealPlanEntry.delete({ where: { id: entry.id } });
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return this.prisma.mealPlanEntry.delete({ where: { id: entry.id } });
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}
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}
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/** Samlad ingredienslista för ett datumintervall */
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/** Aggregerar ingredienser per produkt+enhet från matplansposter, skalat per portionsantal */
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async shoppingList(userId: number, from: string, to: string) {
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private aggregateIngredients(entries: Awaited<ReturnType<typeof this.findByRange>>) {
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const entries = await this.findByRange(userId, from, to);
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// Summera ingredienser per produkt+enhet (skalat per portionsantal)
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const map = new Map<string, { productId: number; name: string; quantity: number; unit: string }>();
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const map = new Map<string, { productId: number; name: string; quantity: number; unit: string }>();
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for (const entry of entries) {
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for (const entry of entries) {
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const recipeServings = (entry.recipe as any).servings as number | null;
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const recipeServings = (entry.recipe as any).servings as number | null;
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@@ -80,8 +77,8 @@ export class MealPlanService {
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const scale = recipeServings && entryServings ? entryServings / recipeServings : 1;
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const scale = recipeServings && entryServings ? entryServings / recipeServings : 1;
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for (const ing of entry.recipe.ingredients) {
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for (const ing of entry.recipe.ingredients) {
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const key = `${ing.product.id}-${ing.unit}`;
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const key = `${ing.product.id}-${ing.unit}`;
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const existing = map.get(key);
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const qty = Number(ing.quantity) * scale;
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const qty = Number(ing.quantity) * scale;
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const existing = map.get(key);
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if (existing) {
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if (existing) {
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existing.quantity += qty;
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existing.quantity += qty;
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} else {
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} else {
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@@ -94,8 +91,13 @@ export class MealPlanService {
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}
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}
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}
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}
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}
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}
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return Array.from(map.values());
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}
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return Array.from(map.values()).sort((a, b) => a.name.localeCompare(b.name, 'sv'));
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/** Samlad ingredienslista för ett datumintervall */
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async shoppingList(userId: number, from: string, to: string) {
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const entries = await this.findByRange(userId, from, to);
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return this.aggregateIngredients(entries).sort((a, b) => a.name.localeCompare(b.name, 'sv'));
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}
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}
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/** Jämför veckans ingrediensbehov mot inventariet */
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/** Jämför veckans ingrediensbehov mot inventariet */
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@@ -109,32 +111,16 @@ export class MealPlanService {
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});
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});
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const pantryProductIds = new Set(pantryItems.map((p) => p.productId));
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const pantryProductIds = new Set(pantryItems.map((p) => p.productId));
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// Aggregera ingredienser per produkt+enhet (skalat per portionsantal)
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const aggregated = this.aggregateIngredients(entries).map((item) => ({
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const map = new Map<string, { productId: number; name: string; required: number; unit: string }>();
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productId: item.productId,
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for (const entry of entries) {
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name: item.name,
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const recipeServings = (entry.recipe as any).servings as number | null;
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required: item.quantity,
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const entryServings = (entry as any).servings as number | null;
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unit: item.unit,
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const scale = recipeServings && entryServings ? entryServings / recipeServings : 1;
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}));
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for (const ing of entry.recipe.ingredients) {
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const key = `${ing.product.id}-${ing.unit}`;
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const qty = Number(ing.quantity) * scale;
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const existing = map.get(key);
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if (existing) {
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existing.required += qty;
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} else {
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map.set(key, {
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productId: ing.product.id,
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name: ing.product.canonicalName || ing.product.name,
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required: qty,
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unit: ing.unit,
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});
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}
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}
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}
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// Kontrollera inventariet för varje ingrediens
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// Kontrollera inventariet för varje ingrediens
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const result = await Promise.all(
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const result = await Promise.all(
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Array.from(map.values()).map(async (item) => {
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aggregated.map(async (item) => {
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// Pantry-varor anses alltid tillgängliga — visa inte i inköpslistan
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// Pantry-varor anses alltid tillgängliga — visa inte i inköpslistan
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if (pantryProductIds.has(item.productId)) {
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if (pantryProductIds.has(item.productId)) {
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return {
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return {
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@@ -236,10 +236,7 @@ export class ProductsService {
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}
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}
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async permanentDelete(id: number) {
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async permanentDelete(id: number) {
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const product = await this.prisma.product.findUnique({ where: { id } });
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await this.findOne(id);
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if (!product) {
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throw new NotFoundException(`Product with id ${id} not found`);
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}
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// Ta bort beroenden först
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// Ta bort beroenden först
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await this.prisma.productTag.deleteMany({ where: { productId: id } });
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await this.prisma.productTag.deleteMany({ where: { productId: id } });
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await this.prisma.userProduct.deleteMany({ where: { productId: id } });
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await this.prisma.userProduct.deleteMany({ where: { productId: id } });
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@@ -262,30 +259,21 @@ export class ProductsService {
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});
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});
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}
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}
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private async findProductByIdOrThrow(id: number, label: string) {
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const product = await this.prisma.product.findUnique({ where: { id } });
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if (!product) {
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throw new NotFoundException(`${label} product with id ${id} not found`);
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}
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return product;
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}
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async merge(sourceProductId: number, targetProductId: number) {
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async merge(sourceProductId: number, targetProductId: number) {
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if (sourceProductId === targetProductId) {
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if (sourceProductId === targetProductId) {
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throw new Error('sourceProductId och targetProductId kan inte vara samma');
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throw new Error('sourceProductId och targetProductId kan inte vara samma');
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}
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}
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const source = await this.prisma.product.findUnique({
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const source = await this.findProductByIdOrThrow(sourceProductId, 'Source');
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where: { id: sourceProductId },
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const target = await this.findProductByIdOrThrow(targetProductId, 'Target');
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});
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if (!source) {
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throw new NotFoundException(
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`Source product with id ${sourceProductId} not found`,
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);
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}
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const target = await this.prisma.product.findUnique({
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where: { id: targetProductId },
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});
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if (!target) {
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throw new NotFoundException(
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`Target product with id ${targetProductId} not found`,
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);
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}
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return this.prisma.$transaction(async (tx) => {
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return this.prisma.$transaction(async (tx) => {
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const movedInventoryCount = await tx.inventoryItem.updateMany({
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const movedInventoryCount = await tx.inventoryItem.updateMany({
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@@ -318,12 +306,8 @@ export class ProductsService {
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const [source, target, sourceInventoryCount, targetInventoryCount] =
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const [source, target, sourceInventoryCount, targetInventoryCount] =
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await Promise.all([
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await Promise.all([
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this.prisma.product.findUnique({
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this.findProductByIdOrThrow(sourceProductId, 'Source'),
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where: { id: sourceProductId },
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this.findProductByIdOrThrow(targetProductId, 'Target'),
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}),
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this.prisma.product.findUnique({
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where: { id: targetProductId },
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}),
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this.prisma.inventoryItem.count({
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this.prisma.inventoryItem.count({
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where: { productId: sourceProductId },
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where: { productId: sourceProductId },
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}),
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}),
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@@ -332,18 +316,6 @@ export class ProductsService {
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}),
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}),
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]);
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]);
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if (!source) {
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throw new NotFoundException(
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`Source product with id ${sourceProductId} not found`,
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);
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}
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if (!target) {
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throw new NotFoundException(
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`Target product with id ${targetProductId} not found`,
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);
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}
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return {
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return {
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source: {
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source: {
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...source,
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...source,
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@@ -1,4 +1,4 @@
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import { ForbiddenException, Injectable } from '@nestjs/common';
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import { ForbiddenException, Injectable, NotFoundException } from '@nestjs/common';
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import { PrismaService } from '../prisma/prisma.service';
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import { PrismaService } from '../prisma/prisma.service';
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import { CreateReceiptAliasDto } from './dto/create-receipt-alias.dto';
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import { CreateReceiptAliasDto } from './dto/create-receipt-alias.dto';
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@@ -25,59 +25,48 @@ export class ReceiptAliasService {
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async upsert(dto: CreateReceiptAliasDto, userId: number, role: string) {
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async upsert(dto: CreateReceiptAliasDto, userId: number, role: string) {
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const normalized = dto.receiptName.toLowerCase().trim();
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const normalized = dto.receiptName.toLowerCase().trim();
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const wantsGlobal = dto.isGlobal === true;
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const wantsGlobal = dto.isGlobal === true;
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if (wantsGlobal && role !== 'admin') {
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if (wantsGlobal && role !== 'admin') {
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throw new ForbiddenException('Endast admin kan skapa globala alias');
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throw new ForbiddenException('Endast admin kan skapa globala alias');
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}
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}
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if (wantsGlobal) {
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return this.upsertAliasRecord(
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normalized,
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dto.productId,
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wantsGlobal ? null : userId,
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wantsGlobal,
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);
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}
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private async upsertAliasRecord(
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receiptName: string,
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productId: number,
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ownerId: number | null,
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isGlobal: boolean,
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) {
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const existing = await this.prisma.receiptAlias.findFirst({
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const existing = await this.prisma.receiptAlias.findFirst({
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where: { receiptName: normalized, isGlobal: true },
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where: isGlobal
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? { receiptName, isGlobal: true }
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: { receiptName, ownerId, isGlobal: false },
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});
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});
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if (existing) {
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if (existing) {
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return this.prisma.receiptAlias.update({
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return this.prisma.receiptAlias.update({
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where: { id: existing.id },
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where: { id: existing.id },
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data: { productId: dto.productId },
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data: { productId },
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});
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});
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}
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}
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return this.prisma.receiptAlias.create({
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return this.prisma.receiptAlias.create({
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data: {
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data: { receiptName, productId, ownerId, isGlobal },
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receiptName: normalized,
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productId: dto.productId,
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isGlobal: true,
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ownerId: null,
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},
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});
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}
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||||||
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const existing = await this.prisma.receiptAlias.findFirst({
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where: { receiptName: normalized, ownerId: userId, isGlobal: false },
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});
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||||||
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if (existing) {
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return this.prisma.receiptAlias.update({
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where: { id: existing.id },
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|
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data: { productId: dto.productId },
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});
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}
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||||||
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|
||||||
return this.prisma.receiptAlias.create({
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data: {
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receiptName: normalized,
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|
||||||
productId: dto.productId,
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|
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ownerId: userId,
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|
||||||
isGlobal: false,
|
|
||||||
},
|
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
|
|
||||||
async remove(id: number, userId: number, role: string) {
|
async remove(id: number, userId: number, role: string) {
|
||||||
const alias = await this.prisma.receiptAlias.findUnique({ where: { id } });
|
const alias = await this.prisma.receiptAlias.findUnique({ where: { id } });
|
||||||
if (!alias) {
|
if (!alias) {
|
||||||
return this.prisma.receiptAlias.delete({ where: { id } });
|
throw new NotFoundException(`Aliaspost med id ${id} hittades inte`);
|
||||||
}
|
}
|
||||||
|
|
||||||
const canDelete =
|
const canDelete =
|
||||||
|
|||||||
@@ -31,6 +31,31 @@ export class RecipesService {
|
|||||||
|
|
||||||
constructor(private readonly prisma: PrismaService) {}
|
constructor(private readonly prisma: PrismaService) {}
|
||||||
|
|
||||||
|
private throwRecipeNotFound(id: number): never {
|
||||||
|
throw new NotFoundException(`Recipe with id ${id} not found`);
|
||||||
|
}
|
||||||
|
|
||||||
|
private async findRecipeByIdOrThrow(id: number) {
|
||||||
|
const recipe = await this.prisma.recipe.findUnique({ where: { id } });
|
||||||
|
if (!recipe) {
|
||||||
|
this.throwRecipeNotFound(id);
|
||||||
|
}
|
||||||
|
return recipe;
|
||||||
|
}
|
||||||
|
|
||||||
|
private assertRecipeEditableByUser(recipe: { ownerId: number | null }, userId: number, id: number) {
|
||||||
|
// Legacy behavior: ownerless recipes are editable to preserve existing semantics.
|
||||||
|
if (recipe.ownerId !== null && recipe.ownerId !== userId) {
|
||||||
|
this.throwRecipeNotFound(id);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private assertRecipeOwnedByUser(recipe: { ownerId: number | null }, userId: number, id: number) {
|
||||||
|
if (recipe.ownerId !== userId) {
|
||||||
|
this.throwRecipeNotFound(id);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
async getInventoryPreview(id: number, userId: number) {
|
async getInventoryPreview(id: number, userId: number) {
|
||||||
const recipe = await this.prisma.recipe.findFirst({
|
const recipe = await this.prisma.recipe.findFirst({
|
||||||
where: {
|
where: {
|
||||||
@@ -218,19 +243,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async update(id: number, updateRecipeDto: CreateRecipeDto, userId: number) {
|
async update(id: number, updateRecipeDto: CreateRecipeDto, userId: number) {
|
||||||
// Verifiera att receptet finns och att användaren äger det
|
const existingRecipe = await this.findRecipeByIdOrThrow(id);
|
||||||
const existingRecipe = await this.prisma.recipe.findUnique({
|
this.assertRecipeEditableByUser(existingRecipe, userId, id);
|
||||||
where: { id },
|
|
||||||
});
|
|
||||||
|
|
||||||
if (!existingRecipe) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Tillåt uppdatering om användaren är ägare ELLER om receptet är publikt utan ägare
|
|
||||||
if (existingRecipe.ownerId !== null && existingRecipe.ownerId !== userId) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Ta bort gamla ingredienser
|
// Ta bort gamla ingredienser
|
||||||
await this.prisma.recipeIngredient.deleteMany({
|
await this.prisma.recipeIngredient.deleteMany({
|
||||||
@@ -269,17 +283,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async remove(id: number, userId: number) {
|
async remove(id: number, userId: number) {
|
||||||
const existingRecipe = await this.prisma.recipe.findUnique({
|
const existingRecipe = await this.findRecipeByIdOrThrow(id);
|
||||||
where: { id },
|
this.assertRecipeEditableByUser(existingRecipe, userId, id);
|
||||||
});
|
|
||||||
|
|
||||||
if (!existingRecipe) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (existingRecipe.ownerId !== null && existingRecipe.ownerId !== userId) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
await this.prisma.recipeIngredient.deleteMany({ where: { recipeId: id } });
|
await this.prisma.recipeIngredient.deleteMany({ where: { recipeId: id } });
|
||||||
await this.prisma.recipe.delete({ where: { id } });
|
await this.prisma.recipe.delete({ where: { id } });
|
||||||
@@ -295,13 +300,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async updateImage(id: number, sourceUrl: string, userId: number) {
|
async updateImage(id: number, sourceUrl: string, userId: number) {
|
||||||
const existingRecipe = await this.prisma.recipe.findUnique({ where: { id } });
|
const existingRecipe = await this.findRecipeByIdOrThrow(id);
|
||||||
if (!existingRecipe) {
|
this.assertRecipeOwnedByUser(existingRecipe, userId, id);
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
if (existingRecipe.ownerId !== userId) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
const imageUrl = await downloadAndOptimizeImage(sourceUrl, IMAGE_DEST_DIR);
|
const imageUrl = await downloadAndOptimizeImage(sourceUrl, IMAGE_DEST_DIR);
|
||||||
|
|
||||||
@@ -317,10 +317,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async setVisibility(id: number, userId: number, isPublic: boolean) {
|
async setVisibility(id: number, userId: number, isPublic: boolean) {
|
||||||
const existingRecipe = await this.prisma.recipe.findUnique({ where: { id } });
|
const existingRecipe = await this.findRecipeByIdOrThrow(id);
|
||||||
if (!existingRecipe || existingRecipe.ownerId !== userId) {
|
this.assertRecipeOwnedByUser(existingRecipe, userId, id);
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isPublic) {
|
if (isPublic) {
|
||||||
const owner = await this.prisma.user.findUnique({
|
const owner = await this.prisma.user.findUnique({
|
||||||
@@ -344,13 +342,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async shareWithUser(id: number, ownerId: number, username: string) {
|
async shareWithUser(id: number, ownerId: number, username: string) {
|
||||||
const recipe = await this.prisma.recipe.findUnique({
|
const recipe = await this.findRecipeByIdOrThrow(id);
|
||||||
where: { id },
|
this.assertRecipeOwnedByUser(recipe, ownerId, id);
|
||||||
select: { id: true, ownerId: true },
|
|
||||||
});
|
|
||||||
if (!recipe || recipe.ownerId !== ownerId) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
const owner = await this.prisma.user.findUnique({
|
const owner = await this.prisma.user.findUnique({
|
||||||
where: { id: ownerId },
|
where: { id: ownerId },
|
||||||
@@ -381,13 +374,8 @@ export class RecipesService {
|
|||||||
}
|
}
|
||||||
|
|
||||||
async unshareWithUser(id: number, ownerId: number, username: string) {
|
async unshareWithUser(id: number, ownerId: number, username: string) {
|
||||||
const recipe = await this.prisma.recipe.findUnique({
|
const recipe = await this.findRecipeByIdOrThrow(id);
|
||||||
where: { id },
|
this.assertRecipeOwnedByUser(recipe, ownerId, id);
|
||||||
select: { id: true, ownerId: true },
|
|
||||||
});
|
|
||||||
if (!recipe || recipe.ownerId !== ownerId) {
|
|
||||||
throw new NotFoundException(`Recipe with id ${id} not found`);
|
|
||||||
}
|
|
||||||
|
|
||||||
const targetUser = await this.prisma.user.findUnique({
|
const targetUser = await this.prisma.user.findUnique({
|
||||||
where: { username },
|
where: { username },
|
||||||
|
|||||||
@@ -0,0 +1,99 @@
|
|||||||
|
# Plan för systematisk backend-review och optimering
|
||||||
|
|
||||||
|
## Mål
|
||||||
|
1. Minska komplexitet och duplicering.
|
||||||
|
2. Förbättra prestanda och stabilitet.
|
||||||
|
3. Göra koden enklare att underhålla och vidareutveckla.
|
||||||
|
4. Införa kvalitetsgrindar så förbättringar håller över tid.
|
||||||
|
|
||||||
|
## Arbetssätt
|
||||||
|
1. Jobba i små, säkra iterationer per modul/domän.
|
||||||
|
2. Mät före och efter varje förändring.
|
||||||
|
3. Lås upp förbättringar med tester och CI-gates.
|
||||||
|
4. Prioritera förändringar med hög effekt och låg risk först.
|
||||||
|
|
||||||
|
## Fas 1: Baslinje och kartläggning (1 vecka)
|
||||||
|
1. Inventera backend per modul:
|
||||||
|
- Endpoints, tjänster, databasaccess, externa integrationer.
|
||||||
|
2. Sätt baslinjemätningar:
|
||||||
|
- Responstider per kritisk endpoint (p50/p95), felgrad, DB-latens.
|
||||||
|
- Nuvarande testtäckning per modul.
|
||||||
|
3. Skapa hotspot-lista:
|
||||||
|
- Långa metoder, hög cyclomatic complexity, duplicerad logik, N+1-frågor.
|
||||||
|
4. Leverabel:
|
||||||
|
- Prioriterad backlog med topp 10 förbättringsområden.
|
||||||
|
|
||||||
|
## Fas 2: Snabba vinster och kodhygien (1-2 veckor)
|
||||||
|
1. Standardisera felhantering:
|
||||||
|
- Enhetlig exception mapping och API-felmodell.
|
||||||
|
2. Rensa duplicerad kod:
|
||||||
|
- Flytta gemensam logik till tydliga utilities/domänservices.
|
||||||
|
3. Förbättra validering:
|
||||||
|
- Konsekvent DTO/valideringslager in och ut.
|
||||||
|
4. Inför striktare lint-regler:
|
||||||
|
- Max function length, complexity-tak, no-dead-code.
|
||||||
|
5. Leverabel:
|
||||||
|
- Minskad kodvolym i hotspots och jämnare kodstandard.
|
||||||
|
|
||||||
|
## Fas 3: Arkitektur-förenkling (2-3 veckor)
|
||||||
|
1. Tydlig separering av lager:
|
||||||
|
- Controller = transport.
|
||||||
|
- Service = affärslogik.
|
||||||
|
- Repository/data layer = persistens.
|
||||||
|
2. Minska beroendekoppling:
|
||||||
|
- Ta bort korsberoenden mellan moduler.
|
||||||
|
3. Inför tydliga domängränser:
|
||||||
|
- En modul ska kunna förstås utan att läsa flera andra.
|
||||||
|
4. Leverabel:
|
||||||
|
- Enklare call-flöden och färre starkt kopplade beroenden.
|
||||||
|
|
||||||
|
## Fas 4: Databas och prestanda (1-2 veckor)
|
||||||
|
1. Granska tunga queries:
|
||||||
|
- N+1, överhämtning, saknade index, ineffektiva joins.
|
||||||
|
2. Förbättra dataåtkomst:
|
||||||
|
- Standard för pagination/filtering.
|
||||||
|
- Selektiv hämtning av fält.
|
||||||
|
3. Caching där det är motiverat:
|
||||||
|
- Endast för dyra och frekventa läsningar.
|
||||||
|
4. Leverabel:
|
||||||
|
- Mätbar förbättring i p95 och minskad DB-belastning.
|
||||||
|
|
||||||
|
## Fas 5: Teststrategi och regressionsskydd (1-2 veckor, löpande)
|
||||||
|
1. Lägg tester där risk och affärsvärde är högst:
|
||||||
|
- Kritiska use cases först.
|
||||||
|
2. Balans i testpyramiden:
|
||||||
|
- Fler enhetstester för domänlogik.
|
||||||
|
- Fokuserade integrations- och API-tester för flöden.
|
||||||
|
3. Kontrakttester för externa integrationer.
|
||||||
|
4. Leverabel:
|
||||||
|
- Högre täckning i kritiska moduler och färre regressionsbuggar.
|
||||||
|
|
||||||
|
## Fas 6: Säkerhet och driftbarhet (parallellt)
|
||||||
|
1. Säkerhetsgranskning:
|
||||||
|
- Input-validering, auth/role-kontroller, secret-hantering.
|
||||||
|
2. Driftbarhet:
|
||||||
|
- Strukturerad loggning, korrelations-id, tydligare metrics.
|
||||||
|
3. Resiliens:
|
||||||
|
- Timeout/retry/circuit-breaker för externa beroenden.
|
||||||
|
4. Leverabel:
|
||||||
|
- Färre driftincidenter och enklare felsökning.
|
||||||
|
|
||||||
|
## Kvalitetsgrindar i CI
|
||||||
|
1. Build och lint måste passera.
|
||||||
|
2. Tester måste passera.
|
||||||
|
3. Miniminivå för täckning i ändrade moduler.
|
||||||
|
4. Blockera PR vid ökad komplexitet över satt tröskel.
|
||||||
|
5. Enkel performance-smoke på kritiska endpoints.
|
||||||
|
|
||||||
|
## Prioriteringsmodell för varje förbättring
|
||||||
|
1. Effekt: prestanda, stabilitet, underhållbarhet.
|
||||||
|
2. Risk: regressionsrisk och driftsrisk.
|
||||||
|
3. Insats: utvecklingstid.
|
||||||
|
4. Välj först: hög effekt + låg/medel risk + låg/medel insats.
|
||||||
|
|
||||||
|
## Definition of Done
|
||||||
|
1. Kritiska endpoints har förbättrad p95.
|
||||||
|
2. Topp-hotspots är refaktorerade eller borttagna.
|
||||||
|
3. Kodduplicering reducerad i prioriterade moduler.
|
||||||
|
4. Testskydd finns för alla kritiska flöden.
|
||||||
|
5. CI-gates förhindrar att kvaliteten glider tillbaka.
|
||||||
Reference in New Issue
Block a user