feat: sqlite: implement GetUserByEmail

store/queries.go

@@ -1,8 +1,9 @@
 package store
 
 type Queries struct {
-	CreateUser  string
-	GetUserByID string
+	CreateUser     string
+	GetUserByID    string
+	GetUserByEmail string
 }
 
 var CanonicalQueries Queries = Queries{
@@ -23,11 +24,21 @@ var CanonicalQueries Queries = Queries{
 			created_at, updated_at
 		FROM pase_users
 		WHERE id = ?;`,
+	GetUserByEmail: `
+		SELECT
+			id, email, email_verified_at,
+			username, username_normalized, display_name, profile_image_url,
+			status, status_reason, status_changed_at, status_expires_at,
+			failed_login_count, last_failed_login_at,
+			created_at, updated_at
+		FROM pase_users
+		WHERE email = ?;`,
 }
 
 func (q Queries) Rebind(d Dialect) Queries {
 	return Queries{
-		CreateUser:  d.Rebind(q.CreateUser),
-		GetUserByID: d.Rebind(q.GetUserByID),
+		CreateUser:     d.Rebind(q.CreateUser),
+		GetUserByID:    d.Rebind(q.GetUserByID),
+		GetUserByEmail: d.Rebind(q.GetUserByEmail),
 	}
 }

store/sqlite/store.go

@@ -92,3 +92,31 @@ func (s *Store) GetUserByID(ctx context.Context, id string) (*store.User, error)
 	}
 	return &u, nil
 }
+
+func (s *Store) GetUserByEmail(ctx context.Context, email string) (*store.User, error) {
+	row := s.db.QueryRowContext(ctx, s.q.GetUserByEmail, email)
+	u, err := s.scanUser(row)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, fmt.Errorf("pase/sqlite: get user by email: %w", store.ErrUserNotFound)
+		}
+		return nil, fmt.Errorf("pase/sqlite: get user by email: %w", err)
+	}
+	return u, nil
+}
+
+func (s *Store) scanUser(row *sql.Row) (*store.User, error) {
+	var u store.User
+	err := row.Scan(
+		&u.ID, &u.Email, &u.EmailVerifiedAt,
+		&u.Username, &u.UsernameNormalized, &u.DisplayName, &u.ProfileImageURL,
+		&u.Status, &u.StatusReason,
+		&u.StatusChangedAt, &u.StatusExpiresAt,
+		&u.FailedLoginCount, &u.LastFailedLoginAt,
+		&u.CreatedAt, &u.UpdatedAt,
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &u, nil
+}

store/storetest/storetest.go

@@ -28,6 +28,7 @@ import (
 type SuiteStore interface {
 	CreateUser(ctx context.Context, u *store.User) error
 	GetUserByID(ctx context.Context, id string) (*store.User, error)
+	GetUserByEmail(ctx context.Context, email string) (*store.User, error)
 }
 
 // Factory returns a fresh, isolated Store. Each call to the factory must
@@ -53,6 +54,7 @@ func RunSuite(t *testing.T, newStore Factory) {
 		{"GetUserByID_notFound", testGetUserByIDNotFound},
 		{"CreateUser_duplicateEmail", testCreateUserDuplicateEmail},
 		{"CreateUser_duplicateUsernameNormalized", testCreateUserDuplicateUsernameNormalized},
+		{"CreateUser_GetUserByEmail_roundTrip", testCreateUserGetUserByEmailRoundTrip},
 	}
 
 	for _, tc := range cases {
@@ -138,6 +140,22 @@ func testCreateUserDuplicateUsernameNormalized(t *testing.T, s SuiteStore) {
 	}
 }
 
+func testCreateUserGetUserByEmailRoundTrip(t *testing.T, s SuiteStore) {
+	ctx := context.Background()
+
+	want := FixedUser()
+	if err := s.CreateUser(ctx, want); err != nil {
+		t.Fatalf("CreateUser: %v", err)
+	}
+
+	got, err := s.GetUserByEmail(ctx, want.Email)
+	if err != nil {
+		t.Fatalf("GetUserByEmail: %v", err)
+	}
+
+	AssertUserEqual(t, got, want)
+}
+
 // ---------------------------------------------------------------------------
 // Fixtures and helpers. Exported so dialect-specific tests can reuse them
 // for one-off cases that don't fit into the shared suite.