fix(plugin-workflow): fix transaction chain in trigger (#1089)

packages/plugins/workflow/src/server/Plugin.ts

@@ -135,32 +135,30 @@ export default class WorkflowPlugin extends Plugin {
       return null;
     }
 
+    if (options.context?.executionId) {
+      // NOTE: no transaction here for read-uncommitted execution
+      const existed = await workflow.countExecutions({
+        where: {
+          id: options.context.executionId
+        }
+      });
+
+      if (existed) {
+        console.warn(`workflow ${workflow.id} has already been triggered in same execution (${options.context.executionId}), and newly triggering will be skipped.`);
+        return;
+      }
+    }
+
     // @ts-ignore
     const transaction = options.transaction && !options.transaction.finished
       ? options.transaction
       : await (<typeof WorkflowModel>workflow.constructor).database.sequelize.transaction();
 
-    if (options.context?.transaction) {
-      const existed = await workflow.countExecutions({
-        where: {
-          transaction: options.context.transaction
-        },
-        transaction
-      });
-
-      if (existed) {
-        console.warn(`workflow ${workflow.id} has already been triggered in same execution (${options.context.transaction}), and newly triggering will be skipped.`);
-        return;
-      }
-    }
-
     const execution = await workflow.createExecution({
       context,
       key: workflow.key,
       status: EXECUTION_STATUS.CREATED,
       useTransaction: workflow.useTransaction,
-      // @ts-ignore
-      transaction: options.context?.transaction ?? transaction?.id
     }, { transaction });
 
     console.log('workflow triggered:', new Date(), workflow.id, execution.id);
@@ -193,7 +191,7 @@ export default class WorkflowPlugin extends Plugin {
       await transaction.commit();
     }
 
-    setTimeout(() => this.dispatch(execution), 0);
+    setTimeout(() => this.dispatch(execution));
   }
 
   public async resume(job) {
@@ -201,7 +199,7 @@ export default class WorkflowPlugin extends Plugin {
       job.execution = await job.getExecution();
     }
 
-    setTimeout(() => this.dispatch(job.execution, job), 0);
+    setTimeout(() => this.dispatch(job.execution, job));
   }
 
   private async dispatch(execution?: ExecutionModel, job?: JobModel) {
@@ -228,7 +226,7 @@ export default class WorkflowPlugin extends Plugin {
       await execution.update({ status: EXECUTION_STATUS.STARTED });
     }
 
-    const processor = this.createProcessor(execution, { _context: { transaction: execution.transaction} });
+    const processor = this.createProcessor(execution);
 
     this.executing = job ? processor.resume(job) : processor.start();
 

packages/plugins/workflow/src/server/Processor.ts

@@ -13,8 +13,6 @@ import { EXECUTION_STATUS, JOB_STATUS } from './constants';
 
 
 export interface ProcessorOptions extends Transactionable {
-  // TODO(temp): pass request context here for $isVar and other operators
-  _context?: any;
   plugin: Plugin
 }
 

packages/plugins/workflow/src/server/instructions/create.ts

@@ -12,7 +12,9 @@ export default {
     const options = processor.getParsedValue(params);
     const result = await repo.create({
       ...options,
-      context: processor.options._context,
+      context: {
+        executionId: processor.execution.id
+      },
       transaction: processor.transaction
     });
 

packages/plugins/workflow/src/server/instructions/destroy.ts

@@ -12,7 +12,9 @@ export default {
     const options = processor.getParsedValue(params);
     const result = await repo.destroy({
       ...options,
-      context: processor.options._context,
+      context: {
+        executionId: processor.execution.id
+      },
       transaction: processor.transaction
     });
 

packages/plugins/workflow/src/server/instructions/query.ts

@@ -14,7 +14,9 @@ export default {
     const options = processor.getParsedValue(params);
     const result = await (multiple ? repo.find : repo.findOne).call(repo, {
       ...options,
-      context: processor.options._context,
+      context: {
+        executionId: processor.execution.id
+      },
       transaction: processor.transaction
     });
 

packages/plugins/workflow/src/server/instructions/update.ts

@@ -14,7 +14,9 @@ export default {
     const options = processor.getParsedValue(params);
     const result = await repo.update({
       ...options,
-      context: processor.options._context,
+      context: {
+        executionId: processor.execution.id
+      },
       transaction: processor.transaction
     });
 

packages/plugins/workflow/src/server/triggers/collection.ts

@@ -70,16 +70,10 @@ async function handler(this: CollectionTrigger, workflow: WorkflowModel, data: M
     }
   }
 
-  // TODO(bug): use setTimeout here test case will not exit (only work in SQLite)?
-  // setTimeout(() => {
-  //   this.plugin.trigger(workflow, { data: data.get() }, {
-  //     context
-  //   });
-  // }, 0);
-
-  await this.plugin.trigger(workflow, { data: data.get() }, {
-    context,
-    transaction
+  setTimeout(() => {
+    this.plugin.trigger(workflow, { data: data.get() }, {
+      context
+    });
   });
 }