trying to create some separation between sql and user tasks. This might be too close to c# for go

api/repositories/users.go

@@ -10,6 +10,10 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
+const (
+	TableName string = "users"
+)
+
 // Creates a new instance of UserRepository with the bound sql
 func NewUserRepository(conn *sql.DB) UserRepository {
 	return UserRepository{
@@ -58,6 +62,18 @@ func (ur UserRepository) NewUser(name, password string) (int64, error) {
 	return 1, nil
 }
 
+func (ur UserRepository) UpdatePassword(name, password string) error {
+	_, err := ur.GetByName(name)
+	if err != nil {
+		return nil
+	}
+
+	queryBuilder := sqlbuilder.NewUpdateBuilder()
+	queryBuilder.Update(TableName)
+	//queryBuilder.Set
+	return nil
+}
+
 // If the hash matches what we have in the database, an error will not be returned.
 // If the user does not exist or the hash does not match, an error will be returned
 func (ur UserRepository) CheckUserHash(name, password string) error {

api/repositories/users_test.go

@@ -6,11 +6,13 @@ import (
 	"log"
 	"testing"
 
+	"github.com/DATA-DOG/go-sqlmock"
 	_ "github.com/glebarez/go-sqlite"
 )
 
 func TestCanCreateNewUser(t *testing.T) {
-	db, err := sql.Open("sqlite", "../../gocook.db")
+	db, _, err := sqlmock.New()
+	//db, err := sql.Open("sqlite", "../../gocook.db")
 	if err != nil {
 		log.Println("unable to open connection")
 		t.FailNow()
@@ -35,6 +37,22 @@ func TestCanFindUserInTable(t *testing.T) {
 	defer db.Close()
 
 	repo := repositories.NewUserRepository(db)
-	repo.GetByName("testing")
-
+	user, err := repo.GetByName("testing")
+	if err != nil {
+		log.Println(err)
+		t.FailNow()
+	}
+	log.Println(user)
+}
+
+func TestCheckUserHash (t *testing.T) {
+	db, err := sql.Open("sqlite", "../../gocook.db")
+	if err != nil {
+		log.Println("unable to open connection")
+		t.FailNow()
+	}
+	defer db.Close()
+
+	repo := repositories.NewUserRepository(db)
+	repo.CheckUserHash("testing", "NotSecure")
 }

api/services/users.go

@@ -0,0 +1,43 @@
+package services
+
+import (
+	"database/sql"
+	"errors"
+	"go-cook/api/models"
+	"go-cook/api/repositories"
+)
+
+const (
+	ErrPasswordNotLongEnough = "password needs to be 8 character or longer"
+)
+
+// This will handle operations that are user related, but one layer higher then the repository
+type UserService struct {
+	repo repositories.UserRepository
+}
+
+func NewUserService(conn *sql.DB) UserService {
+	return UserService{
+		repo: repositories.NewUserRepository(conn),
+	}
+}
+
+func (us UserService) DoesUserExist(username string) error {
+	_, err := us.repo.GetByName(username)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (us UserService) CreateNewUser(name, password string) (models.UserModel, error) {
+	us.repo.NewUser(name, password)
+	return models.UserModel{}, nil
+}
+
+func (us UserService) CheckPasswordForRequirements(password string) error {
+	if len(password) <= 8 {
+		return errors.New(ErrPasswordNotLongEnough)
+	}
+	return nil
+}

api/services/users_test.go

@@ -0,0 +1,47 @@
+package services_test
+
+import (
+	"go-cook/api/services"
+	"testing"
+
+	"github.com/DATA-DOG/go-sqlmock"
+)
+
+func TestPasswordIsLongEnough(t *testing.T) {
+	db, _, err := sqlmock.New()
+	if err != nil {
+		t.Log(err.Error())
+		t.FailNow()
+	}
+	defer db.Close()
+
+	client := services.NewUserService(db)
+	err = client.CheckPasswordForRequirements("IsThisLongEnough")
+	if err != nil {
+		t.Logf(err.Error())
+		t.FailNow()
+	}
+}
+
+func TestPasswordIsToShort(t *testing.T){
+	db, _, err := sqlmock.New()
+	if err != nil {
+		t.Log(err.Error())
+		t.FailNow()
+	}
+	defer db.Close()
+
+	client := services.NewUserService(db)
+	err = client.CheckPasswordForRequirements("short")
+	if err != nil {
+		msg := err.Error()
+		if (msg != services.ErrPasswordNotLongEnough) {
+			t.Log("wrong error")
+			t.FailNow()
+		}
+		
+	} else {
+		t.Logf("expected a err")
+		t.FailNow()
+	}
+}