ChangeUserPassword Handler + API

backend/internal/database/db.go

@@ -48,6 +48,7 @@ type Database interface {
 	UnsignWeeklyReport(reportId int, projectManagerId int) error
 	DeleteReport(reportID int) error
 	ChangeProjectName(projectName string, newProjectName string) error
+	ChangeUserPassword(username string, password string) error
 }
 
 // This struct is a wrapper type that holds the database connection
@@ -677,3 +678,8 @@ func (d *Db) ChangeProjectName(projectName string, newProjectName string) error
 	_, err := d.Exec("UPDATE projects SET name = ? WHERE name = ?", newProjectName, projectName)
 	return err
 }
+
+func (d *Db) ChangeUserPassword(username string, password string) error {
+	_, err := d.Exec("UPDATE users SET password = ? WHERE username = ?", password, username)
+	return err
+}

backend/internal/database/db_test.go

@@ -1120,3 +1120,25 @@ func TestChangeProjectName(t *testing.T) {
 		t.Error("ChangeProjectName failed: expected newprojectname, got", projects[0].Name)
 	}
 }
+
+func TestChangeUserPassword(t *testing.T) {
+	db, err := setupState()
+	if err != nil {
+		t.Error("setupState failed:", err)
+	}
+
+	// Add a user
+	_ = db.AddUser("testuser", "password")
+
+	// Change user password
+	err = db.ChangeUserPassword("testuser", "newpassword")
+	if err != nil {
+		t.Error("ChangeUserPassword failed:", err)
+	}
+
+	// Check if the password was changed
+	if !db.CheckUser("testuser", "newpassword") {
+		t.Error("ChangeUserPassword failed: password not changed")
+	}
+
+}