połączenie z bazą danych

server/.env

@@ -0,0 +1,2 @@
+db_name = Ewelina
+db_pass = p455w0rd

server/main.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"ExpiryDatesManager/server/model"
+	"fmt"
+)
+
+func main() {
+	fmt.Printf("hello, world\n")
+	
+	
+
+	defer model.GetDB().Close()
+
+	fmt.Println("udalo  sie")
+
+}

server/model/base.go

@@ -0,0 +1,39 @@
+package model
+
+import (
+	_ "github.com/jinzhu/gorm/dialects/mysql"
+	"github.com/jinzhu/gorm"
+	"os"
+	"fmt"
+	"github.com/joho/godotenv"
+)
+
+var db *gorm.DB
+
+func init() {
+	error := godotenv.Load()
+	if error != nil {
+		fmt.Println(error)
+	}
+
+	username := os.Getenv("db_name")
+	password := os.Getenv("db_pass")
+
+	connectionstring := fmt.Sprintf("%s:%s@tcp(127.0.0.1:3306)/expirydates", username, password)
+
+	conn, err := gorm.Open("mysql", connectionstring)
+	if err != nil {
+		fmt.Println(err)
+	}
+	db = conn
+	db.AutoMigrate(&Company{}, &Product{}, &ProductExpiryPosition{}, &Report{}, &ReportPosition{})
+	db.Model(&Product{}).AddForeignKey("company_id", "companies(id)", "RESTRICT", "RESTRICT")
+	db.Model(&ProductExpiryPosition{}).AddForeignKey("product_id", "product_expiry_positions(id)", "RESTRICT", "RESTRICT")
+	db.Model(&Report{}).AddForeignKey("company_id", "companies(id)", "RESTRICT", "RESTRICT")
+	db.Model(&ReportPosition{}).AddForeignKey("report_id", "reports(id)", "RESTRICT", "RESTRICT")
+	db.Model(&ReportPosition{}).AddForeignKey("product_expiry_position_id", "product_expiry_positions(id)", "RESTRICT", "RESTRICT")
+}
+
+func GetDB() *gorm.DB {
+	return db
+}

server/model/company.go

@@ -0,0 +1,10 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type Company struct {
+	gorm.Model
+	Name	string
+}

server/model/product.go

@@ -0,0 +1,13 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type Product struct {
+	gorm.Model
+	Name	string
+	Company	Company
+	CompanyID	uint
+	Code	string	`gorm:"unique; unique_index"`
+}

server/model/productexpiryposition.go

@@ -0,0 +1,15 @@
+package model
+
+import (
+	"time"
+	"github.com/jinzhu/gorm"
+)
+
+type ProductExpiryPosition struct {
+	gorm.Model
+	ExpiryDate	time.Time
+	BatchNumber	string
+	Product		Product
+	ProductID	uint
+
+}

server/model/report.go

@@ -0,0 +1,11 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type Report struct {
+	gorm.Model
+	Company	Company
+	CompanyID	uint
+}

server/model/reportposition.go

@@ -0,0 +1,15 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type ReportPosition struct {
+	gorm.Model
+	PositionNumber			int
+	Quantity				int
+	ProductExpiryPosition	ProductExpiryPosition
+	ProductExpiryPositionID	uint
+	Report					Report
+	ReportID				uint
+}