67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package user
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import (
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"database/sql"
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"fmt"
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_ "github.com/lib/pq"
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)
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type User struct {
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Username string
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db *sql.DB
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}
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func UsernameExists(db *sql.DB, username string) (bool, error) {
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rows, err := db.Query("SELECT count(username) FROM users where username=$1", username)
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if err != nil {
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fmt.Println("User DB Error: ", err)
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return false, err
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}
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defer rows.Close()
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var count int
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rows.Next()
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rows.Scan(&count)
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return count > 0, nil
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}
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func NewUserFromAuth(db *sql.DB, username, password string) *User {
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fmt.Println("NewUserFromAuth:", username)
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rows, err := db.Query("SELECT username FROM users WHERE username = $1 AND password IS NOT NULL AND password = crypt($2 , password);", username, password)
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if err != nil {
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fmt.Println("Username or auth fail: ", err)
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return nil
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}
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defer rows.Close()
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user := User{db: db}
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if rows.Next() {
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err := rows.Scan(&user.Username)
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if err != nil {
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fmt.Println("scan err: ", err)
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}
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} else {
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fmt.Println("no match")
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return nil
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}
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return &user
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}
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func NewUserFromUsername(db *sql.DB, username string) *User {
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rows, err := db.Query("SELECT username FROM users WHERE username=$1", username)
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if err != nil {
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fmt.Println("User DB Error: ", err)
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return nil
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}
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defer rows.Close()
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user := User{db: db}
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if rows.Next() {
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err = rows.Scan(&user.Username)
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if err != nil {
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fmt.Println("Scan err: ", err)
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}
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} else {
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fmt.Println("User DB Error: No user found with username ", username)
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return nil
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}
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return &user
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}
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