User Management

graph TD %% Main Components Root[BorderPane: Root] Content[SplitPane: Content] List[VBox: UserList] Details[ScrollPane: UserDetails] %% List Components SearchBar[TextField: Search] UserTable[TableView: Users] AddButton[Button: AddUser] %% Details Components UserForm[Form: UserDetails] NameField[TextField: Name] EmailField[TextField: Email] RoleSelect[ComboBox: Role] Activities[TableView: Activities] %% Actions Actions[HBox: Actions] SaveBtn[Button: Save] ResetPwdBtn[Button: ResetPassword] %% Hierarchy Root --> Content Content --> List Content --> Details List --> SearchBar List --> UserTable List --> AddButton Details --> UserForm UserForm --> NameField UserForm --> EmailField UserForm --> RoleSelect Details --> Activities Details --> Actions Actions --> SaveBtn Actions --> ResetPwdBtn %% Styling classDef container fill:#e1f5fe,stroke:#01579b classDef component fill:#fff,stroke:#0288d1 classDef control fill:#e8f5e9,stroke:#2e7d32 class Root,Content container class List,Details,UserForm component class SearchBar,UserTable,NameField,EmailField,RoleSelect,Activities,SaveBtn,ResetPwdBtn control

sequenceDiagram actor Admin participant View as UserManagement participant Controller participant ViewModel participant Service participant DB %% Load Users Admin->>View: Open Users View->>Controller: initialize() Controller->>ViewModel: loadUsers() ViewModel->>Service: getUsers() Service->>DB: fetchUsers() DB-->>Service: users Service-->>ViewModel: usersList ViewModel-->>View: updateUserTable() %% User Operations Admin->>View: Select User View->>Controller: handleUserSelect() Controller->>ViewModel: loadUserDetails() ViewModel->>Service: getUserDetails() Service->>DB: fetchDetails() DB-->>Service: userDetails Service-->>ViewModel: userDTO ViewModel-->>View: displayUserDetails() %% Edit User Admin->>View: Edit User View->>Controller: handleEditUser() Controller->>ViewModel: validateUserData() alt Valid Input ViewModel->>Service: updateUser() Service->>DB: saveUser() DB-->>Service: success Service-->>ViewModel: updated ViewModel-->>View: showSuccess() else Invalid Input ViewModel-->>View: showValidationError() end %% Role Management Admin->>View: Change Role View->>Controller: handleRoleChange() Controller->>ViewModel: updateUserRole() ViewModel->>Service: changeRole() Service->>DB: updateRole() DB-->>Service: success Service-->>View: refreshUserDetails()