[ACS-4331] Add deleteTag method to tags API (#1490)

* ACS-4331 - created new method for deleting a tag

* ACS-4331 - added some documentation for deleteTag

* ACS-4331 - added docs

* ACS-4331 - README formating fix

* [ACS-4331] changed Promise type to void

* [ACS-4331] corrected link

src/api/content-rest-api/README.md

@@ -136,6 +136,7 @@ TagsApi | [**getTag**](docs/TagsApi.md#getTag) | **GET** /tags/{tagId} | Get a t
 TagsApi | [**listTags**](docs/TagsApi.md#listTags) | **GET** /tags | List tags
 TagsApi | [**listTagsForNode**](docs/TagsApi.md#listTagsForNode) | **GET** /nodes/{nodeId}/tags | List tags for a node
 TagsApi | [**updateTag**](docs/TagsApi.md#updateTag) | **PUT** /tags/{tagId} | Update a tag
+TagsApi | [**deleteTag**](docs/TagsApi.md#deleteTag) | **DELETE** /tags/{tagId} | Delete a tag
 TagsApi | [**createTags**](docs/TagsApi.md#createTags) | **POST** /tags/ | Create specified by **tags** list of tags.
 TrashcanApi | [**deleteDeletedNode**](docs/TrashcanApi.md#deleteDeletedNode) | **DELETE** /deleted-nodes/{nodeId} | Permanently delete a deleted node
 TrashcanApi | [**getArchivedNodeRendition**](docs/TrashcanApi.md#getArchivedNodeRendition) | **GET** /deleted-nodes/{nodeId}/renditions/{renditionId} | Get rendition information for a deleted node
@@ -333,4 +334,4 @@ VersionsApi | [**revertVersion**](docs/VersionsApi.md#revertVersion) | **POST**
 - [VersionPagingList](docs/VersionPagingList.md)
 - [DeletedNode](docs/DeletedNode.md)
 - [NodeAssociation](docs/NodeAssociation.md)
-- [NodeChildAssociation](docs/NodeChildAssociation.md)
+- [NodeChildAssociation](docs/NodeChildAssociation.md)

src/api/content-rest-api/api/tags.api.ts

@@ -386,6 +386,41 @@ parameter are returned in addition to those specified in the **fields** paramete
             pathParams, queryParams, headerParams, formParams, postBody,
             contentTypes, accepts , TagEntry);
     }
+/**
+    * Delete a tag
+    *
+    * Deletes a tag by **tagId**. This will cause the tag to be removed from all nodes.
+    *
+    * @param tagId The identifier of a tag.
+    * @return Promise<{}>
+ */
+    deleteTag(tagId: string): Promise<void> {
+
+        throwIfNotDefined(tagId, 'tagId');
+
+        const postBody: null = null;
+
+        const pathParams = {
+            'tagId': tagId
+        };
+
+        const queryParams = {
+        };
+
+        const headerParams = {
+
+        };
+        const formParams = {
+        };
+
+        const contentTypes = ['application/json'];
+        const accepts = ['application/json'];
+
+        return this.apiClient.callApi(
+            '/tags/{tagId}', 'DELETE',
+            pathParams, queryParams, headerParams, formParams, postBody,
+            contentTypes, accepts);
+    }
 
     /**
      * Create tags

src/api/content-rest-api/docs/TagsApi.md

@@ -10,6 +10,7 @@ Method | HTTP request                         | Description
 [**listTags**](TagsApi.md#listTags) | **GET** /tags                        | List tags
 [**listTagsForNode**](TagsApi.md#listTagsForNode) | **GET** /nodes/{nodeId}/tags         | List tags for a node
 [**updateTag**](TagsApi.md#updateTag) | **PUT** /tags/{tagId}                | Update a tag
+[**deleteTag**](TagsApi.md#deleteTag) | **DELETE** /tags/{tagId} | Completely deletes a tag
 [**createTags**](TagsApi.md#createTags) | **POST** /tags                  | Create list of tags
 
 
@@ -484,3 +485,39 @@ Name | Type                        | Description             | Notes
 
 [**TagEntry[]**](TagEntry.md)
 
+<a name="deleteTag"></a>
+## deleteTag
+> deleteTag(tagId)
+
+Deletes the tag with **tagId**. This will cause the tag to be removed from all nodes.
+
+You must have admin rights to delete a tag.
+
+### Example
+
+```javascript
+import { AlfrescoApi, TagsApi} from '@alfresco/js-api';
+
+const alfrescoApi = new AlfrescoApi({
+    hostEcm: 'http://127.0.0.1:8080'
+});
+
+const tagsApi = new TagsApi(alfrescoApi);
+
+
+tagsApi.deleteTag(tagId).then(() => {
+  console.log('API called successfully.');
+}, function(error) {
+  console.error(error);
+});
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**tagId** | **string**| The identifier of a tag. |
+
+### Return type
+
+null (empty response body)