gorm

models/Image.go

@@ -1,12 +1,11 @@
 package models
 
 import (
-	"log"
 	"main/configs"
 )
 
 type Image struct {
-	ID                int     `json:"id"`
+	ID                int     `json:"id" gorm:"primary_key"`
 	Name              string  `json:"name"`
 	Width             int     `json:"width"`
 	Height            int     `json:"height"`
@@ -22,125 +21,6 @@ type Image struct {
 	UserID            int     `json:"user_id"`
 }
 
-func (image *Image) Create() error {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer db.Close()
-	stmt, err := db.Prepare("INSERT INTO images(name, created_at, updated_at) values(?, ?, ?)")
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer stmt.Close()
-	result, err := stmt.Exec(image.Name, image.CreatedAt, image.UpdatedAt)
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	id, err := result.LastInsertId()
-	if err != nil {
-		return err
-	}
-	image.ID = int(id)
-	return nil
-}
-
-func (image *Image) Delete() error {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer db.Close()
-	stmt, err := db.Prepare("DELETE FROM images WHERE id = ?")
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer stmt.Close()
-	_, err = stmt.Exec(image.ID)
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	return nil
-}
-
-func (image *Image) Update() error {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer db.Close()
-	stmt, err := db.Prepare("UPDATE images SET name = ?, updated_at = ? WHERE id = ?")
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer stmt.Close()
-	_, err = stmt.Exec(image.Name, image.UpdatedAt, image.ID)
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	return nil
-}
-
-func (image *Image) Get() error {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	defer db.Close()
-	err = db.QueryRow("SELECT id, name, created_at, updated_at FROM images WHERE id = ?", image.ID).Scan(&image.ID, &image.Name, &image.CreatedAt, &image.UpdatedAt)
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-	return nil
-}
-
-func QueryImages(page int, pagesize int) (images []interface{}) {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return
-	}
-	defer db.Close()
-	rows, err := db.Query("SELECT id, name, created_at, updated_at FROM images LIMIT ?, ?", (page-1)*pagesize, pagesize)
-	if err != nil {
-		log.Println(err)
-		return
-	}
-	defer rows.Close()
-	for rows.Next() {
-		image := Image{}
-		err := rows.Scan(&image.ID, &image.Name, &image.CreatedAt, &image.UpdatedAt)
-		if err != nil {
-			log.Println(err)
-			return
-		}
-		images = append(images, image)
-	}
-	return
-}
-
-func CountImages() (count int) {
-	db, err := configs.GetDB()
-	if err != nil {
-		log.Println(err)
-		return
-	}
-	defer db.Close()
-	err = db.QueryRow("SELECT COUNT(*) FROM images").Scan(&count)
-	if err != nil {
-		log.Println(err)
-		return
-	}
-	return
+func init() {
+	configs.ORMDB().AutoMigrate(&Image{})
 }