Products app

products/app/db/db.go

@@ -0,0 +1,30 @@
+package db
+
+import (
+	"fmt"
+	"products/app/cfg"
+
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	gormLogger "gorm.io/gorm/logger"
+)
+
+func ConnectDb() *gorm.DB {
+	var connectionString = fmt.Sprintf("postgres://%s:%s@%s:%d/%s?sslmode=disable",
+		cfg.Config.DbUser,
+		cfg.Config.DbPassword,
+		cfg.Config.DbHost,
+		cfg.Config.DbPort,
+		cfg.Config.DbName,
+	)
+
+	var err error
+	dbConn, err := gorm.Open(postgres.Open(connectionString), &gorm.Config{
+		Logger: gormLogger.Default.LogMode(gormLogger.Info),
+	})
+	if err != nil {
+		panic("Error connecting to database: " + err.Error())
+	}
+
+	return dbConn
+}

products/app/db/models.go

@@ -0,0 +1,12 @@
+package db
+
+type Product struct {
+	Id          int    `json:"id"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	Image       string `json:"image"`
+}
+
+func (m *Product) TableName() string {
+	return "products"
+}

products/app/db/repository.go

@@ -0,0 +1,22 @@
+package db
+
+import "gorm.io/gorm"
+
+func GetProducts(dbConn *gorm.DB) *[]Product {
+	var products []Product
+
+	dbConn.Order("name").Find(&products)
+
+	return &products
+}
+
+func GetProduct(dbConn *gorm.DB, id int) (*Product, error) {
+	var product Product
+
+	result := dbConn.Order("name").Where("id = ?", id).First(&product)
+	if result.Error != nil {
+		return nil, result.Error
+	}
+
+	return &product, nil
+}