add workflow oper

app/chain/workflow.py

@@ -1,6 +1,7 @@
 from typing import List
 
 from app.chain import ChainBase
+from app.db.workflow_oper import WorkflowOper
 from app.schemas import Workflow
 
 
@@ -9,6 +10,10 @@ class WorkflowChain(ChainBase):
     工作流链
     """
 
+    def __init__(self):
+        super().__init__()
+        self.workflowoper = WorkflowOper()
+
     def process(self, workflow_id: int) -> bool:
         """
         处理工作流

app/db/models/workflow.py

@@ -2,7 +2,7 @@ from datetime import datetime
 
 from sqlalchemy import Column, Integer, JSON, Sequence, String
 
-from app.db import Base
+from app.db import Base, db_query
 
 
 class Workflow(Base):
@@ -17,8 +17,8 @@ class Workflow(Base):
     description = Column(String)
     # 定时器
     timer = Column(String)
-    # 状态：N-新建 R-运行中 P-暂停 S-成功 F-失败
+    # 状态：W-等待 R-运行中 P-暂停 S-成功 F-失败
-    state = Column(String, nullable=False, index=True, default='N')
+    state = Column(String, nullable=False, index=True, default='W')
     # 当前执行动作
     current_action = Column(String)
     # 任务执行结果
@@ -33,3 +33,13 @@ class Workflow(Base):
     add_time = Column(String, default=datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
     # 最后执行时间
     last_time = Column(String)
+
+    @staticmethod
+    @db_query
+    def get_enabled_workflows(db):
+        return db.query(Workflow).filter(Workflow.state != 'P').all()
+
+    @staticmethod
+    @db_query
+    def get_by_name(db, name: str):
+        return db.query(Workflow).filter(Workflow.name == name).first()

app/db/workflow_oper.py

@@ -0,0 +1,38 @@
+from typing import List, Tuple
+
+from app.db import DbOper
+from app.db.models.workflow import Workflow
+
+
+class WorkflowOper(DbOper):
+    """
+    工作流管理
+    """
+
+    def add(self, **kwargs) -> Tuple[bool, str]:
+        """
+        新增工作流
+        """
+        wf = Workflow(**kwargs)
+        if not wf.get_by_name(self._db, kwargs.get("name")):
+            wf.create(self._db)
+            return True, "新增工作流成功"
+        return False, "工作流已存在"
+
+    def get(self, wid: int) -> Workflow:
+        """
+        查询单个工作流
+        """
+        return Workflow.get(self._db, wid)
+
+    def list_enabled(self) -> List[Workflow]:
+        """
+        获取启用的工作流列表
+        """
+        return Workflow.get_enabled_workflows(self._db)
+
+    def get_by_name(self, name: str) -> Workflow:
+        """
+        按名称获取工作流
+        """
+        return Workflow.get_by_name(self._db, name)