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Tutorial Review#

Let us examine the completed workflow#

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Now Let us see the Design Details:#

Capture Initiator UserId: Start Event - initiator#

    initiator       requester
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The above will the instance data element data.requester to the userName, this will be used later.

Designate the assignee of the Request Task#

    assignee        $(this.data.requester)
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We now copy the data.requester into item.assignee, this will restrict access only to user that started the workflow.

Designate the assignee of Approve Task#

    assignee        #(appServices.getSupervisorUser(this.data.requester))
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In this case, the approver user is in a database collection 'usersManager', so we need to write some TS code to retrieve this info. Notice # to indicate async call, this is requires db call. 

    async getSupervisorUser(userName, context) {
        console.log('getSupervisorUser for:',userName);


        let ds=this.appDelegate.server.dataStore;
        const dburl=ds.dbConfiguration.db; // process.env.MONGO_DB_URL;

        const db=ds.dataStore.db;

        // collection structure: {employee,manager}

        let list=await db.find(dburl,'usersManager',{employee:userName});
        let manager;
        if (list.length>0)
            manager=list[0]['manager'];

        return manager;
    }

Model documentation#

Below is the full documentation of the model:

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