Create WorkflowDoc YDocument

Author: andrii-i

src/workflows/workflowDoc.ts

@@ -0,0 +1,44 @@
+import { YDocument } from '@jupyter/ydoc';
+import * as Y from 'yjs';
+import { Workflow, Task } from './_interface/workflow.schema';
+
+export class WorkflowDoc extends YDocument<WorkflowChange> implements Workflow {
+  private _tasks: Y.Array<Y.Map<any>>;
+  private _name: Y.Text;
+  private _parameters: Y.Map<string>;
+  private _schedule: Y.Text;
+  private _timezone: Y.Text;
+
+  constructor() {
+    super();
+
+    this._tasks = this.ydoc.getArray<Y.Map<any>>('tasks');
+    this._name = this.ydoc.getText('name');
+    this._parameters = this.ydoc.getMap<string>('parameters');
+    this._schedule = this.ydoc.getText('schedule');
+    this._timezone = this.ydoc.getText('timezone');
+
+    this._tasks.observeDeep(this._tasksObserver);
+    //TODO: add other observers
+  }
+
+  // Getter and setter methods
+  get tasks(): Task[] {
+    return this._tasks.map(task => task.toJSON() as Task);
+  }
+
+  set tasks(value: Task[]) {
+    this.transact(() => {
+      this._tasks.delete(0, this._tasks.length);
+      value.forEach(task => {
+        this._tasks.push([Y.Map.from(Object.entries(task))]);
+      });
+    });
+  }
+
+  //TODO: add other getters/setters
+
+  private _tasksObserver = (events: Y.YEvent<any>[]) => {
+    // TODO: Handle task changes
+  };
+}