# CRUD requirements

**Functional Requirements**

**FR7: Tasks**

* **FR7.1: Create Tasks**
  * **MUST:** Allow users to create new tasks with attributes like title, description, due date, and priority.
  * **SHOULD:** Offer predefined task templates that users can select and customize.
  * **COULD:** Allow users to attach files to tasks.
* **FR7.2: Read/View Tasks**
  * **MUST:** Display a list of all tasks with the ability to sort and filter by various attributes (e.g., due date, assigned to, etc.).
  * **SHOULD:** Provide a detailed view of an individual task when selected.
  * **COULD:** Enable viewing a task's change history.
* **FR7.3: Update Tasks**
  * **MUST:** Allow users to edit task attributes.
  * **SHOULD:** Notify users if they are editing a task that is also being edited by another user to prevent edit conflicts.
  * **COULD:** Provide an option to add comments to tasks during updates.
* **FR7.4: Delete Tasks**
  * **MUST:** Allow users to delete tasks.
  * **SHOULD:** Request confirmation before deleting a task to prevent accidental deletions.
  * **COULD:** Offer an option to retrieve deleted tasks from a "trash bin" for a limited time period.

**FR8: Projects** (similar to FR7 but adapted for project management - creating, viewing, updating, and deleting projects, assigning tasks to projects, etc.)

**FR9: Reports**

* **FR9.1: Report Generation**
  * **MUST:** Enable users to generate reports based on various criteria (task status, team members, dates, etc.).
  * **SHOULD:** Offer predefined report templates.
  * **COULD:** Allow users to save custom report settings for future use.

**Non-Functional Requirements**

**NFR7: Task User Interface**

* **MUST:** Be intuitive and easy to navigate to minimize the learning curve.
* **SHOULD:** Provide instant feedback for user actions (e.g., saving data, deleting a task, etc.).
* **COULD:** Allow user interface customization according to user preferences.

**NFR8: Load Optimization**

* **MUST:** The task list page MUST load within 2 seconds with up to 100 tasks simultaneously visible.
* **SHOULD:** Implement pagination or infinite loading for extensive task lists to optimize load times and network utilization.
* **COULD:** Allow users to configure how many tasks they wish to see per page.

**NFR9: Task Version History**

* **MUST:** Maintain a history of task changes for traceability.
* **SHOULD:** Limit the size of the history to optimize storage.
* **COULD:** Provide a graphical visualization of a task’s change history.

**NFR10: Concurrency**

* **MUST:** Properly manage concurrency scenarios to avoid edit conflicts.
* **SHOULD:** Provide optimistic locks where possible to prevent users from overwriting each other's data without notification.
* **COULD:** Inform users in real-time if another person is viewing/editing the same task.