added login and test admin page

models/user.go

@@ -1,6 +1,12 @@
 package models
 
-import "fmt"
+import (
+	"ccsecrets/utils/token"
+	"errors"
+	"fmt"
+
+	"golang.org/x/crypto/bcrypt"
+)
 
 type User struct {
 	UserId      int    `db:"UserId"`
@@ -27,3 +33,69 @@ func (u *User) SaveUser() (*User, error) {
 
 	return u, nil
 }
+
+func VerifyPassword(password, hashedPassword string) error {
+	fmt.Printf("VerifyPassword comparing password vs hashed:\n'%s'\n'%s'\n", password, hashedPassword)
+	return bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+}
+
+func LoginCheck(username string, password string) (string, error) {
+
+	var err error
+
+	u := User{}
+
+	// Query database for matching user object
+	err = db.QueryRowx("SELECT * FROM Users WHERE Username=?", username).StructScan(&u)
+
+	fmt.Printf("LoginCheck retrieved user '%v' from database\n", u)
+
+	//err = DB.Model(User{}).Where("username = ?", username).Take(&u).Error
+
+	if err != nil {
+		return "", err
+	}
+
+	err = VerifyPassword(password, u.Password)
+
+	if err != nil && err == bcrypt.ErrMismatchedHashAndPassword {
+		fmt.Printf("LoginCheck says password doesn't match stored hash.\n")
+		return "", err
+	} else {
+		fmt.Printf("LoginCheck verified password against stored hash.\n")
+	}
+
+	token, err := token.GenerateToken(uint(u.UserId))
+
+	if err != nil {
+		fmt.Printf("LoginCheck error generating token : '%s'\n", err)
+		return "", err
+	}
+
+	return token, nil
+
+}
+
+func GetUserByID(uid uint) (User, error) {
+
+	var u User
+
+	// Query database for matching user object
+	err := db.QueryRowx("SELECT * FROM Users WHERE UserId=?", uid).StructScan(&u)
+	if err != nil {
+		return u, errors.New("user not found")
+	}
+	/*
+		if err := DB.First(&u, uid).Error; err != nil {
+			return u, errors.New("User not found!")
+		}
+	*/
+	u.PrepareGive()
+
+	return u, nil
+
+}
+
+func (u *User) PrepareGive() {
+	u.Password = ""
+}