137 lines
2.6 KiB
Go
137 lines
2.6 KiB
Go
package models
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import (
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"log"
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"main/configs"
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)
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type Image struct {
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ID int `json:"id"`
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Name string `json:"name"`
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CreatedAt string `json:"created_at"`
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UpdatedAt string `json:"updated_at"`
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}
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func (image *Image) Create() error {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return err
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}
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defer db.Close()
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stmt, err := db.Prepare("INSERT INTO images(name, created_at, updated_at) values(?, ?, ?)")
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if err != nil {
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log.Println(err)
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return err
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}
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defer stmt.Close()
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result, err := stmt.Exec(image.Name, image.CreatedAt, image.UpdatedAt)
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if err != nil {
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log.Println(err)
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return err
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}
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id, err := result.LastInsertId()
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if err != nil {
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return err
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}
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image.ID = int(id)
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return nil
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}
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func (image *Image) Delete() error {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return err
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}
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defer db.Close()
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stmt, err := db.Prepare("DELETE FROM images WHERE id = ?")
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if err != nil {
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log.Println(err)
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return err
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}
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defer stmt.Close()
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_, err = stmt.Exec(image.ID)
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if err != nil {
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log.Println(err)
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return err
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}
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return nil
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}
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func (image *Image) Update() error {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return err
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}
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defer db.Close()
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stmt, err := db.Prepare("UPDATE images SET name = ?, updated_at = ? WHERE id = ?")
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if err != nil {
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log.Println(err)
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return err
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}
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defer stmt.Close()
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_, err = stmt.Exec(image.Name, image.UpdatedAt, image.ID)
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if err != nil {
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log.Println(err)
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return err
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}
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return nil
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}
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func (image *Image) Get() error {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return err
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}
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defer db.Close()
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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)
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if err != nil {
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log.Println(err)
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return err
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}
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return nil
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}
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func QueryImages(page int, pagesize int) (images []interface{}) {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return
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}
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defer db.Close()
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rows, err := db.Query("SELECT id, name, created_at, updated_at FROM images LIMIT ?, ?", (page-1)*pagesize, pagesize)
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if err != nil {
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log.Println(err)
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return
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}
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defer rows.Close()
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for rows.Next() {
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image := Image{}
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err := rows.Scan(&image.ID, &image.Name, &image.CreatedAt, &image.UpdatedAt)
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if err != nil {
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log.Println(err)
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return
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}
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images = append(images, image)
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}
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return
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}
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func CountImages() (count int) {
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db, err := configs.GetDB()
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if err != nil {
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log.Println(err)
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return
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}
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defer db.Close()
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err = db.QueryRow("SELECT COUNT(*) FROM images").Scan(&count)
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if err != nil {
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log.Println(err)
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return
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}
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return
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}
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