Created
October 21, 2018 09:04
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// model.go | |
package main | |
import ( | |
"database/sql" | |
"fmt" | |
) | |
type user struct { | |
ID int `json:"id"` | |
UserName string `json:"username"` | |
Email string `json:"email"` | |
Password string `json:"password"` | |
Points string `json:"points"` | |
} | |
func (u *user) getUser(db *sql.DB) error { | |
statement := fmt.Sprintf("SELECT username, email, points FROM users WHERE id=%d", u.ID) | |
return db.QueryRow(statement).Scan(&u.UserName, &u.Email, &u.Points) | |
} | |
func (u *user) updateUser(db *sql.DB) error { | |
statement := fmt.Sprintf("UPDATE users SET username='%s', email='%s', password='%s', points='%s'WHERE id=%d", u.UserName, u.Email, u.Password, u.Points, u.ID) | |
_, err := db.Exec(statement) | |
return err | |
} | |
func (u *user) deleteUser(db *sql.DB) error { | |
statement := fmt.Sprintf("DELETE FROM users WHERE id=%d", u.ID) | |
_, err := db.Exec(statement) | |
return err | |
} | |
func (u *user) checkEmail(db *sql.DB) error { | |
statement := fmt.Sprintf("SELECT id FROM users WHERE email='%s'", u.Email) | |
return db.QueryRow(statement).Scan(&u.ID) | |
} | |
func (u *user) createUser(db *sql.DB) error { | |
statement := fmt.Sprintf("INSERT INTO users(username, email, password, points) VALUES('%s', '%s', '%s', '%s')", u.UserName, u.Email, u.Password, u.Points) | |
_, err := db.Exec(statement) | |
if err != nil { | |
return err | |
} | |
err = db.QueryRow("SELECT LAST_INSERT_ID()").Scan(&u.ID) | |
if err != nil { | |
return err | |
} | |
return nil | |
} | |
func getUsers(db *sql.DB, start, count int) ([]user, error) { | |
statement := fmt.Sprintf("SELECT id, username, email, points FROM users LIMIT %d OFFSET %d", count, start) | |
rows, err := db.Query(statement) | |
if err != nil { | |
return nil, err | |
} | |
defer rows.Close() | |
users := []user{} | |
for rows.Next() { | |
var u user | |
if err := rows.Scan(&u.ID, &u.UserName, &u.Email, &u.Points); err != nil { | |
return nil, err | |
} | |
users = append(users, u) | |
} | |
return users, nil | |
} | |
// user auth | |
func (u *user) authUser(db *sql.DB) error { | |
statement := fmt.Sprintf("SELECT id, username, email FROM users WHERE email='%s' AND password='%s'", u.Email, u.Password) | |
return db.QueryRow(statement).Scan(&u.ID, &u.UserName, &u.Email) | |
} |
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