Handler ProjectRoleChange in global_state.go added for ChangeUserRole in db.go

backend/internal/handlers/global_state.go

@@ -35,6 +35,7 @@ type GlobalState interface {
 	IncrementButtonCount(c *fiber.Ctx) error // For demonstration purposes
 	ListAllUsers(c *fiber.Ctx) error         // To get a list of all users in the application database
 	ListAllUsersProject(c *fiber.Ctx) error  // To get a list of all users for a specific project
+	ProjectRoleChange(c *fiber.Ctx) error    // To change a users role in a project
 }
 
 // "Constructor"
@@ -208,3 +209,19 @@ func (gs *GState) ListAllUsersProject(c *fiber.Ctx) error {
 	// Return the list of users as JSON
 	return c.JSON(users)
 }
+
+// ProjectRoleChange is a handler that changes a user's role within a project
+func (gs *GState) ProjectRoleChange(c *fiber.Ctx) error {
+	// Extract the necessary parameters from the request
+	username := c.Params("username")
+	projectName := c.Params("projectName")
+	role := c.Params("role")
+
+	// Change the user's role within the project in the database
+	if err := gs.Db.ChangeUserRole(username, projectName, role); err != nil {
+		return c.Status(500).SendString(err.Error())
+	}
+
+	// Return a success message
+	return c.SendStatus(fiber.StatusOK)
+}