added svcapi ui and camunda code

[it/otf.git] / otf-frontend / client / src / app / shared / factories / bpmn-factory.service.ts

diff --git a/otf-frontend/client/src/app/shared/factories/bpmn-factory.service.ts b/otf-frontend/client/src/app/shared/factories/bpmn-factory.service.ts
new file mode 100644 (file)
index 0000000..1a92854
--- /dev/null
+++ b/otf-frontend/client/src/app/shared/factories/bpmn-factory.service.ts
@@ -0,0 +1,132 @@
+/*  Copyright (c) 2019 AT&T Intellectual Property.                             #\r
+#                                                                              #\r
+#   Licensed under the Apache License, Version 2.0 (the "License");            #\r
+#   you may not use this file except in compliance with the License.           #\r
+#   You may obtain a copy of the License at                                    #\r
+#                                                                              #\r
+#       http://www.apache.org/licenses/LICENSE-2.0                             #\r
+#                                                                              #\r
+#   Unless required by applicable law or agreed to in writing, software        #\r
+#   distributed under the License is distributed on an "AS IS" BASIS,          #\r
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #\r
+#   See the License for the specific language governing permissions and        #\r
+#   limitations under the License.                                             #\r
+##############################################################################*/\r
+\r
+\r
+import { Injectable } from '@angular/core';\r
+import { FileTransferService } from '../services/file-transfer.service';\r
+import { TestDefinitionService } from '../services/test-definition.service';\r
+import { Observable } from 'rxjs';\r
+import { Buffer } from 'buffer';\r
+import { BpmnOptions, Bpmn } from '../models/bpmn.model';\r
+\r
+interface BpmnFactoryOptions extends BpmnOptions {\r
+  fileId?: String,\r
+  testDefinitionId?: String,\r
+  version?: String,\r
+  xml?: String\r
+}\r
+\r
+@Injectable({\r
+  providedIn: 'root'\r
+})\r
+export class BpmnFactoryService {\r
+\r
+  constructor(\r
+    private filesTransfer: FileTransferService,\r
+    private testDefinition: TestDefinitionService\r
+  ) { }\r
+\r
+  public async setup(options: BpmnFactoryOptions): Promise<any> {\r
+    return new Promise(async (resolve, reject) => {\r
+      //check for required options\r
+      if (!options.mode) {\r
+        console.error('Bpmn options require: mode');\r
+        reject('Bpmn options require: mode')\r
+      }\r
+\r
+      let xml = await this.getXml(options);\r
+\r
+      let instance = new Bpmn(xml, {\r
+        mode: options.mode,\r
+        options: options.options\r
+      })\r
+\r
+      resolve(instance);\r
+    });\r
+\r
+  }\r
+\r
+  public async getXml(options): Promise<any> {\r
+    return new Promise(async (resolve, reject) => {\r
+      let xml;\r
+\r
+      //handle the way to retrieve bpmn xml\r
+      if (options.xml) {\r
+        xml = options.xml\r
+      } else if (options.fileId) {\r
+        xml = await this.loadFile(options.fileId);\r
+      } else if (options.testDefinitionId && options.version) {\r
+        let fileId = await this.getFileId(options.testDefinitionId, options.version);\r
+        xml = await this.loadFile(fileId);\r
+      } else if (options.testDefinitionId) {\r
+        let fileId = await this.getFileId(options.testDefinitionId);\r
+        xml = await this.loadFile(fileId);\r
+      } else {\r
+        console.warn('Either xml, fileId, testDefinitionId and version, or testDefinitionId is required to render the bpmn');\r
+      }\r
+\r
+      resolve(xml);\r
+\r
+    });\r
+\r
+  }\r
+\r
+  private getFileId(id, version?): Observable<Object> {\r
+    return new Observable(observer => {\r
+      this.testDefinition.get(id).subscribe(\r
+        data => {\r
+          if (data['bpmnInstances']) {\r
+            if (version) {\r
+              let index;\r
+              for (let i = 0; i < data['bpmnInstances'].length; i++) {\r
+                if (version == data['bpmnInstances'][i].version) {\r
+                  index = i;\r
+                  break;\r
+                }\r
+              }\r
+              if (index) {\r
+                observer.next(data['bpmnInstances'][index].bpmnFileId);\r
+              } else {\r
+                observer.error('No bpmn file');\r
+              }\r
+\r
+            } else {\r
+              if (data['bpmnInstances'][data['bpmnInstances'].length - 1].bpmnFileId) {\r
+                observer.next(data['bpmnInstances'][data['bpmnInstances'].length - 1].bpmnFileId);\r
+              } else {\r
+                observer.error('No bpmn file');\r
+              }\r
+            }\r
+          } else {\r
+            observer.error('No bpmn instances');\r
+          }\r
+        },\r
+        err => {\r
+          observer.error('No test definition found');\r
+        }\r
+      )\r
+    })\r
+  }\r
+\r
+  public loadFile(bpmnFileId) {\r
+    return new Promise((resolve, reject) => {\r
+      this.filesTransfer.get(bpmnFileId).subscribe(content => {\r
+        resolve(new Buffer(content as Buffer).toString());\r
+      }, err => {\r
+        reject(err);\r
+      });\r
+    });\r
+  }\r
+}\r