Service to create, update, and retrieve training category information.
Methods
(static) create(categoryToAdd) → {Promise.<(CategoryDTO|null)>}
Create category with the provided data.
Parameters:
| Name | Type | Description |
|---|---|---|
categoryToAdd |
*
|
The category data to be added. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<(CategoryDTO|null)>
A promise that resolves to a new CategoryDTO instance representing the created category, or null if creation fails.
(static) delete(id) → {Promise.<boolean>}
Delete category with the provided ID.
Parameters:
| Name | Type | Description |
|---|---|---|
id |
*
|
The ID of the training to delete. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<boolean>
- A promise that resolves to true if the category was successfully deleted, otherwise false.
(static) getAll(offset, limit) → {Promise.<{categories: Array.<CategoryDTO>, count: number}>}
Retrieve a list of paginated category.
Parameters:
| Name | Type | Description |
|---|---|---|
offset |
number
|
The number of items to skip before starting to return results. |
limit |
number
|
The maximum number of items to return. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<{categories: Array.<CategoryDTO>, count: number}>
A promise that resolves to an object containing an array of CategoryDTO instances representing the retrieved categories and the total count of categories.
(static) getById(id) → {Promise.<(CategoryTO|null)>}
Retrieve category details with the provided ID.
Parameters:
| Name | Type | Description |
|---|---|---|
id |
*
|
The ID of the category to retrieve. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<(CategoryTO|null)>
A promise that resolves to a CategoryDTO instance representing the retrieved category, or null if the course is not found.
(static) nameAlreadyExists(name) → {Promise.<boolean>}
Checks if a category with the provided name already exists.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
*
|
The name of the category to check for existence. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<boolean>
- A promise that resolves to true if a category with the provided name already exists, or false otherwise.
(static) search(terms) → {Promise.<Array.<CategoryDTO>>}
Search for categories based on the provided search terms.
Parameters:
| Name | Type | Description |
|---|---|---|
terms |
*
|
The search terms to match against category name. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<Array.<CategoryDTO>>
A promise that resolves to an array of CategoryDTO objects matching the search terms.
(static) updateCover(id, filename) → {Promise.<boolean>}
Updates the cover image for a category with the provided ID.
Parameters:
| Name | Type | Description |
|---|---|---|
id |
string
|
The ID of the category to update the cover image for. |
filename |
string
|
The filename of the new cover image. |
Throws:
-
- If the operation fails or encounters an error.
- Type
-
Error
Returns:
- Type:
-
Promise.<boolean>
- A promise that resolves to true if the cover image update was successful, or false otherwise.