product variant route

internal/processor/purchase_order_processor.go

@@ -1,12 +1,11 @@
 package processor
 
 import (
-	"context"
-	"fmt"
-
 	"apskel-pos-be/internal/entities"
 	"apskel-pos-be/internal/mappers"
 	"apskel-pos-be/internal/models"
+	"context"
+	"fmt"
 
 	"github.com/google/uuid"
 )
@@ -368,6 +367,8 @@ func (p *PurchaseOrderProcessorImpl) UpdatePurchaseOrderStatus(ctx context.Conte
 		return nil, fmt.Errorf("purchase order not found: %w", err)
 	}
 
+	fmt.Println("status:", po.Status)
+
 	// Check if status is changing to "received" and current status is not "received"
 	if status == "received" && po.Status != "received" {
 		// Get purchase order with items for inventory update

internal/router/router.go

@@ -146,6 +146,7 @@ func NewRouter(cfg *config.Config,
 		spinGameHandler:                   handler.NewSpinGameHandler(spinGameService),
 		authMiddleware:                    authMiddleware,
 		customerAuthMiddleware:            customerAuthMiddleware,
+		productVariantHandler:             handler.NewProductVariantHandler(productVariantService, productVariantValidator),
 	}
 }
 
@@ -270,6 +271,14 @@ func (r *Router) addAppRoutes(rg *gin.Engine) {
 				products.DELETE("/:id", r.productHandler.DeleteProduct)
 			}
 
+			productVariants := protected.Group("/product-variants")
+			{
+				productVariants.POST("", r.productVariantHandler.CreateProductVariant)
+				productVariants.PUT("/:id", r.productVariantHandler.UpdateProductVariant)
+				productVariants.DELETE("/:id", r.productVariantHandler.DeleteProductVariant)
+				productVariants.GET("/:id", r.productVariantHandler.GetProductVariant)
+			}
+
 			inventory := protected.Group("/inventory")
 			inventory.Use(r.authMiddleware.RequireAdminOrManager())
 			{

migrations/000062_create_discount_suite.down.sql

@@ -0,0 +1,39 @@
+-- =========================
+-- DROP ORDER DISCOUNTS
+-- =========================
+DROP INDEX IF EXISTS idx_order_discounts_discount;
+DROP INDEX IF EXISTS idx_order_discounts_outlet;
+DROP INDEX IF EXISTS idx_order_discounts_order;
+DROP TABLE IF EXISTS order_discounts;
+
+-- =========================
+-- DROP DISCOUNT CATEGORIES
+-- =========================
+DROP INDEX IF EXISTS idx_discount_categories_category;
+DROP INDEX IF EXISTS idx_discount_categories_discount;
+DROP TABLE IF EXISTS discount_categories;
+
+-- =========================
+-- DROP DISCOUNT PRODUCTS
+-- =========================
+DROP INDEX IF EXISTS idx_discount_products_product;
+DROP INDEX IF EXISTS idx_discount_products_discount;
+DROP TABLE IF EXISTS discount_products;
+
+-- =========================
+-- DROP DISCOUNT OUTLETS
+-- =========================
+DROP INDEX IF EXISTS idx_discount_outlets_outlet;
+DROP INDEX IF EXISTS idx_discount_outlets_discount;
+DROP TABLE IF EXISTS discount_outlets;
+
+-- =========================
+-- DROP DISCOUNTS
+-- =========================
+DROP INDEX IF EXISTS idx_discounts_customer_type;
+DROP INDEX IF EXISTS idx_discounts_dates;
+DROP INDEX IF EXISTS idx_discounts_active;
+DROP INDEX IF EXISTS idx_discounts_code;
+DROP INDEX IF EXISTS idx_discounts_organization;
+DROP INDEX IF EXISTS idx_discounts_campaign;
+DROP TABLE IF EXISTS discounts;

migrations/000062_create_discount_suite.up.sql

@@ -0,0 +1,91 @@
+CREATE TABLE discounts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    campaign_id UUID NULL,
+    organization_id UUID NOT NULL,
+    code VARCHAR(50) NOT NULL,
+    name VARCHAR(255) NOT NULL,
+    type VARCHAR(20) NOT NULL CHECK (type IN ('percentage', 'fixed_amount', 'free_product')),
+    value DECIMAL(15,2) NOT NULL,
+    min_purchase_qty INT DEFAULT 0,
+    min_purchase_amount DECIMAL(15,2) DEFAULT 0,
+    start_date DATE NOT NULL,
+    end_date DATE NOT NULL,
+    usage_limit_per_customer INT DEFAULT NULL,
+    usage_limit_total INT DEFAULT NULL,
+    usage_count INT DEFAULT 0,
+    customer_type VARCHAR(20) DEFAULT 'all' CHECK (customer_type IN ('all', 'member', 'vip')),
+    is_stackable BOOLEAN DEFAULT FALSE,
+    is_active BOOLEAN DEFAULT TRUE,
+    priority INT DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (campaign_id) REFERENCES campaigns(id) ON DELETE SET NULL,
+    FOREIGN KEY (organization_id) REFERENCES organizations(id) ON DELETE CASCADE,
+    CONSTRAINT chk_discount_ownership CHECK (campaign_id IS NOT NULL OR organization_id IS NOT NULL),
+    CONSTRAINT unique_code_per_org UNIQUE (organization_id, code)
+);
+
+CREATE INDEX idx_discounts_campaign ON discounts(campaign_id);
+CREATE INDEX idx_discounts_organization ON discounts(organization_id);
+CREATE INDEX idx_discounts_code ON discounts(code);
+CREATE INDEX idx_discounts_active ON discounts(is_active);
+CREATE INDEX idx_discounts_dates ON discounts(start_date, end_date);
+CREATE INDEX idx_discounts_customer_type ON discounts(customer_type);
+
+CREATE TABLE discount_outlets (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    discount_id UUID NOT NULL,
+    outlet_id UUID NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (discount_id) REFERENCES discounts(id) ON DELETE CASCADE,
+    FOREIGN KEY (outlet_id) REFERENCES outlets(id) ON DELETE CASCADE,
+    CONSTRAINT unique_discount_outlet UNIQUE (discount_id, outlet_id)
+);
+
+CREATE INDEX idx_discount_outlets_discount ON discount_outlets(discount_id);
+CREATE INDEX idx_discount_outlets_outlet ON discount_outlets(outlet_id);
+
+CREATE TABLE discount_products (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    discount_id UUID NOT NULL,
+    product_id UUID NOT NULL,
+    rule_type VARCHAR(20) NOT NULL CHECK (rule_type IN ('required', 'free', 'excluded')),
+    quantity INT DEFAULT 1,
+    free_quantity INT DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (discount_id) REFERENCES discounts(id) ON DELETE CASCADE,
+    FOREIGN KEY (product_id) REFERENCES products(id) ON DELETE CASCADE
+);
+
+CREATE INDEX idx_discount_products_discount ON discount_products(discount_id);
+CREATE INDEX idx_discount_products_product ON discount_products(product_id);
+
+CREATE TABLE discount_categories (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    discount_id UUID NOT NULL,
+    category_id UUID NOT NULL,
+    rule_type VARCHAR(20) NOT NULL CHECK (rule_type IN ('included', 'excluded')),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (discount_id) REFERENCES discounts(id) ON DELETE CASCADE,
+    FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE CASCADE
+);
+
+CREATE INDEX idx_discount_categories_discount ON discount_categories(discount_id);
+CREATE INDEX idx_discount_categories_category ON discount_categories(category_id);
+
+CREATE TABLE order_discounts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    order_id UUID NOT NULL,
+    outlet_id UUID NOT NULL,
+    discount_id UUID NOT NULL,
+    discount_amount DECIMAL(15,2) NOT NULL,
+    applied_rules JSON,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (order_id) REFERENCES orders(id) ON DELETE CASCADE,
+    FOREIGN KEY (outlet_id) REFERENCES outlets(id) ON DELETE RESTRICT,
+    FOREIGN KEY (discount_id) REFERENCES discounts(id) ON DELETE RESTRICT
+);
+
+CREATE INDEX idx_order_discounts_order ON order_discounts(order_id);
+CREATE INDEX idx_order_discounts_outlet ON order_discounts(outlet_id);
+CREATE INDEX idx_order_discounts_discount ON order_discounts(discount_id);