feat: support get workflow task execution status (#6411)

api/controllers/service_api/app/workflow.py

 import logging
 
-from flask_restful import Resource, reqparse
+from flask_restful import Resource, fields, marshal_with, reqparse
 from werkzeug.exceptions import InternalServerError
 
 from controllers.service_api import api
     QuotaExceededError,
 )
 from core.model_runtime.errors.invoke import InvokeError
+from extensions.ext_database import db
 from libs import helper
 from models.model import App, AppMode, EndUser
+from models.workflow import WorkflowRun
 from services.app_generate_service import AppGenerateService
 
 logger = logging.getLogger(__name__)
 
 
 class WorkflowRunApi(Resource):
+    workflow_run_fields = {
+        'id': fields.String,
+        'workflow_id': fields.String,
+        'status': fields.String,
+        'inputs': fields.Raw,
+        'outputs': fields.Raw,
+        'error': fields.String,
+        'total_steps': fields.Integer,
+        'total_tokens': fields.Integer,
+        'created_at': fields.DateTime,
+        'finished_at': fields.DateTime,
+        'elapsed_time': fields.Float,
+    }
+
+    @validate_app_token
+    @marshal_with(workflow_run_fields)
+    def get(self, app_model: App, workflow_id: str):
+        """
+        Get a workflow task running detail
+        """
+        app_mode = AppMode.value_of(app_model.mode)
+        if app_mode != AppMode.WORKFLOW:
+            raise NotWorkflowAppError()
+
+        workflow_run = db.session.query(WorkflowRun).filter(WorkflowRun.id == workflow_id).first()
+        return workflow_run
+
     @validate_app_token(fetch_user_arg=FetchUserArg(fetch_from=WhereisUserArg.JSON, required=True))
     def post(self, app_model: App, end_user: EndUser):
         """
         }
 
 
-api.add_resource(WorkflowRunApi, '/workflows/run')
+api.add_resource(WorkflowRunApi, '/workflows/run/<string:workflow_id>', '/workflows/run')
 api.add_resource(WorkflowTaskStopApi, '/workflows/tasks/<string:task_id>/stop')

web/app/components/develop/template/template_workflow.en.mdx

 
 ---
 
+<Heading
+  url='/workflows/run/:workflow_id'
+  method='GET'
+  title='Get Workflow Run Detail'
+  name='#get-workflow-run-detail'
+/>
+<Row>
+  <Col>
+    Retrieve the current execution results of a workflow task based on the workflow execution ID.
+    ### Path
+    - `workflow_id` (string) Workflow ID, can be obtained from the streaming chunk return
+    ### Response
+    - `id` (string) ID of workflow execution
+    - `workflow_id` (string) ID of relatied workflow
+    - `status` (string) status of execution, `running` / `succeeded` / `failed` / `stopped`
+    - `inputs` (json) content of input
+    - `outputs` (json) content of output
+    - `error` (string) reason of error
+    - `total_steps` (int) total steps of task
+    - `total_tokens` (int) total tokens to be used
+    - `created_at` (timestamp) start time
+    - `finished_at` (timestamp) end time
+    - `elapsed_time` (float) total seconds to be used
+  </Col>
+  <Col sticky>
+    ### Request Example
+    <CodeGroup title="Request" tag="GET" label="/workflows/run/:workflow_id" targetCode={`curl -X GET '${props.appDetail.api_base_url}/workflows/run/:workflow_id' \\\n-H 'Authorization: Bearer {api_key}' \\\n-H 'Content-Type: application/json'`}>
+      ```bash {{ title: 'cURL' }}
+      curl -X GET '${props.appDetail.api_base_url}/workflows/run/:workflow_id' \
+      -H 'Authorization: Bearer {api_key}' \
+      -H 'Content-Type: application/json'
+      ```
+    </CodeGroup>
+
+    ### Response Example
+    <CodeGroup title="Response">
+    ```json {{ title: 'Response' }}
+    {
+        "id": "b1ad3277-089e-42c6-9dff-6820d94fbc76",
+        "workflow_id": "19eff89f-ec03-4f75-b0fc-897e7effea02",
+        "status": "succeeded",
+        "inputs": "{\"sys.files\": [], \"sys.user_id\": \"abc-123\"}",
+        "outputs": null,
+        "error": null,
+        "total_steps": 3,
+        "total_tokens": 0,
+        "created_at": "Thu, 18 Jul 2024 03:17:40 -0000",
+        "finished_at": "Thu, 18 Jul 2024 03:18:10 -0000",
+        "elapsed_time": 30.098514399956912
+    }
+    ```
+    </CodeGroup>
+  </Col>
+</Row>
+
+---
+
 <Heading
   url='/workflows/tasks/:task_id/stop'
   method='POST'

web/app/components/develop/template/template_workflow.zh.mdx

 
 ---
 
+<Heading
+  url='/workflows/run/:workflow_id'
+  method='GET'
+  title='获取workflow执行情况'
+  name='#get-workflow-run-detail'
+/>
+<Row>
+  <Col>
+    根据 workflow 执行 ID 获取 workflow 任务当前执行结果
+    ### Path
+    - `workflow_id` (string) workflow 执行 ID，可在流式返回 Chunk 中获取
+    ### Response
+    - `id` (string) workflow 执行 ID
+    - `workflow_id` (string) 关联的 Workflow ID
+    - `status` (string) 执行状态 `running` / `succeeded` / `failed` / `stopped`
+    - `inputs` (json) 任务输入内容
+    - `outputs` (json) 任务输出内容
+    - `error` (string) 错误原因
+    - `total_steps` (int) 任务执行总步数
+    - `total_tokens` (int) 任务执行总 tokens
+    - `created_at` (timestamp) 任务开始时间
+    - `finished_at` (timestamp) 任务结束时间
+    - `elapsed_time` (float) 耗时(s)
+  </Col>
+  <Col sticky>
+    ### Request Example
+    <CodeGroup title="Request" tag="GET" label="/workflows/run/:workflow_id" targetCode={`curl -X GET '${props.appDetail.api_base_url}/workflows/run/:workflow_id' \\\n-H 'Authorization: Bearer {api_key}' \\\n-H 'Content-Type: application/json'`}>
+      ```bash {{ title: 'cURL' }}
+      curl -X GET '${props.appDetail.api_base_url}/workflows/run/:workflow_id' \
+      -H 'Authorization: Bearer {api_key}' \
+      -H 'Content-Type: application/json'
+      ```
+    </CodeGroup>
+
+    ### Response Example
+    <CodeGroup title="Response">
+    ```json {{ title: 'Response' }}
+    {
+        "id": "b1ad3277-089e-42c6-9dff-6820d94fbc76",
+        "workflow_id": "19eff89f-ec03-4f75-b0fc-897e7effea02",
+        "status": "succeeded",
+        "inputs": "{\"sys.files\": [], \"sys.user_id\": \"abc-123\"}",
+        "outputs": null,
+        "error": null,
+        "total_steps": 3,
+        "total_tokens": 0,
+        "created_at": "Thu, 18 Jul 2024 03:17:40 -0000",
+        "finished_at": "Thu, 18 Jul 2024 03:18:10 -0000",
+        "elapsed_time": 30.098514399956912
+    }
+    ```
+    </CodeGroup>
+  </Col>
+</Row>
+
+---
+
 <Heading
   url='/workflows/tasks/:task_id/stop'
   method='POST'