> ## Documentation Index
> Fetch the complete documentation index at: https://docwrite.jooj.us/llms.txt
> Use this file to discover all available pages before exploring further.

# Blog Categories

> This section provides details on managing blog categories, allowing administrators and users to organize content effectively. Categories help classify blog posts and make navigation easier

## API Endpoints

The backend provides the following endpoints for managing categories:

### Fetch Categories

* **Endpoint:** `GET /categories`
* **Description:** Retrieves the list of all categories.
* **Response:**
  ```json theme={null}
  [
    {
      "_id": "category-id",
      "name": "Technology",
      "description": "Posts related to technology",
      "parent": null
    }
  ]
  ```

### Create Category

* **Endpoint:** `POST /categories`
* **Description:** Creates a new category.
* **Request Body:**
  ```json theme={null}
  {
    "name": "Business",
    "description": "Business-related posts",
    "parent": "parent-category-id"
  }
  ```

### Update Category

* **Endpoint:** `PUT /categories/{id}`
* **Description:** Updates an existing category.
* **Request Body:**
  ```json theme={null}
  {
    "name": "Updated Name",
    "description": "Updated description"
  }
  ```

### Delete Category

* **Endpoint:** `DELETE /categories/{id}`
* **Description:** Deletes a category and reassigns related blog posts.

## Auto-Generated Categories from User Tags

* Users can assign tags to blog posts.
* If a tag matches an existing category, it is linked automatically.
* If a tag does not match any existing category, it is grouped under **Other**.
* Administrators can later create a proper category and reassign posts.

## Frontend Implementation

In the blog creation form, users can select an existing category or enter a new tag. The system processes the input and either assigns it to an existing category or places it under **Other**.

```jsx theme={null}
{categories.map((category) => (
  <option key={category._id} value={category._id}>{category.name}</option>
))}
```

## Conclusion

The category management system ensures efficient content organization and user-friendly navigation. Administrators maintain control over available categories, while users contribute dynamically through tags.