⚡️ Added LogOut service

cmd/api/auth/errors.go

@@ -12,6 +12,7 @@ var (
 	FailedToSelectUserByUsername              = errors.New("failed to execute select user by username")
 	FailedToLoginDueWrongPassword             = errors.New("failed to login due wrong password")
 	FailedToCreateUserSession                 = errors.New("failed to create user session")
+	FailedToDeleteUserSession                 = errors.New("failed to delete user session")
 )
 
 const (

cmd/api/auth/logout.go

@@ -0,0 +1,25 @@
+package auth
+
+import (
+	"context"
+
+	"ahbcc/cmd/api/user/session"
+	"ahbcc/internal/log"
+)
+
+// LogOut Logs the user out. It deletes the current user session associated to that user by the token
+type LogOut func(ctx context.Context, token string) error
+
+// MakeLogOut creates a new LogOut
+func MakeLogOut(deleteUserSession session.Delete) LogOut {
+	return func(ctx context.Context, token string) error {
+
+		err := deleteUserSession(ctx, token)
+		if err != nil {
+			log.Error(ctx, err.Error())
+			return FailedToDeleteUserSession
+		}
+
+		return nil
+	}
+}

cmd/api/auth/logout_test.go

@@ -0,0 +1,33 @@
+package auth_test
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"ahbcc/cmd/api/auth"
+	"ahbcc/cmd/api/user/session"
+)
+
+func TestLogOut_success(t *testing.T) {
+	mockDeleteUserSession := session.MockDelete(nil)
+
+	logOut := auth.MakeLogOut(mockDeleteUserSession)
+
+	got := logOut(context.Background(), "token")
+
+	assert.Nil(t, got)
+}
+
+func TestLogOut_failsWhenDeleteSessionThrowsError(t *testing.T) {
+	mockDeleteUserSession := session.MockDelete(errors.New("failed to delete session"))
+
+	logOut := auth.MakeLogOut(mockDeleteUserSession)
+
+	want := auth.FailedToDeleteUserSession
+	got := logOut(context.Background(), "token")
+
+	assert.Equal(t, want, got)
+}

cmd/api/user/session/mocks.go

@@ -19,6 +19,13 @@ func MockCreateToken(token string, expiresAt time.Time, err error) CreateToken {
 	}
 }
 
+// MockDelete mocks a Delete function
+func MockDelete(err error) Delete {
+	return func(ctx context.Context, token string) error {
+		return err
+	}
+}
+
 // MockUserSessionDAO mocks a session DAO
 func MockUserSessionDAO() DAO {
 	return DAO{