Skybuffer Simple Communication Add-On. Rapid Implementation Kit Based on ABAP Sample Classes. Purchase Order Workflow Scenario

 In Skybuffer Academy

This how-to guide is meant to make you acquainted with main peculiarities of Skybuffer Simple Communication Add-On implementation and show how simple it is to send an email from the SAP system for a Purchase Order using our SAP certified solution.

certificate

Let us consider an example of implementing email communication interfaces for SAP workflow

The Purchasing Department of some company has created a Purchase Order for 2 positions. As soon as the document is saved, the department manager is sent a mail with an invitation of either approving this order or rejecting it.

So, you are going to see now how easy, fast and convenient it is to create such a mail for SAP workflow using Skybuffer Simple Communication Add-On.

 

ABAP Classes Development Simplicity

The process of ABAP classes development for workflow scenario consists of 3 main blocks.

1) First, you are to inherit the class with the main functionality on mails creating into your own class

2) Then, you are to copy the demonstrational class for mails creating according to a particular document type

3) Finally, you are to copy the demonstrational class in order to bind the notification to the workflow.

Now let us follow all the implementation steps in detail.

 

  1. ABAP class of /SKYBFR/CL_YCA1_ERP_MAIL_BONE

You are to inherit the class of /SKYBFR/CL_YCA1_ERP_MAIL_BONE into your own class – this is going to be the common core for all tasks on creating mails on taking decisions on workflow. In this class you are to redefine 4 separate methods on creating common corporate mail style.

  • Let’s choose the email template (get_template) and determine the template name. Alternatively, you can organize reading this template from any source
get_template
  • Header (get_header) – here we determine the mail’s subject and the company’s letterhead, that is, the name and the information string
get_header_1
get_header_2
  • Addressing the receiver (get_sections) – here we create the salutation and the text addressed to the receiver.
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  • Signature (get_footer). Here we create any template phrase for the footer
get_footer_1
get_footer_2

This class is created just once for all the documents types in the system.

 

  1. ABAP class of SKYBFR/CL_YCA1_ERP_MAIL_MM_PO

In order to create a mail on a particular kind of document, we are to copy a demonstrational code of  SKYBFR/CL_YCA1_ERP_MAIL_MM_PO delivered with YCA1 Simple Communication, specify a core class created in the previous step as a parent class and redetermine the methods of filling in the mail contents.

  • (get_sections) It effects reading the document and filling the mail with the data.
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  • creating buttons (get_buttons). This method stipulates each button’s actions, words written, other additional information such as workflow container’s elements for making change, button templates, etc.
get_buttons_1
get_buttons_2

This is going to be enough for simple notifications to be emailed according to documents without binding to workflow.

 

  1. ABAP class of /SKYBFR/CL_YCA1_WF_EXIT_MM_PO

In order to bind the notification to the workflow, we need to copy the demonstrational class of /SKYBFR/CL_YCA1_WF_EXIT_MM_PO, delivered with YCA1 Simple Communication, and redetermine the following methods.

  • Work item defining (get_flow) – This method defines which work item refers to sending email for approval, and which one to the approved/declined notification
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  • Calling the class from the previous step (prepare_mail) – this method defines calling the mail creating
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  • If necessary, we can redetermine the methods of reading the Object from the workflow (get_object) – from the workflow operation container or the work item
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  • And getting agents – mail receivers (get_actors) – our Add-On can determine the agents either by rule, or by initiator.

Other algorithms can be implemented in this method, too.

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All these classes use text elements. Also, our Add-On has an implemented method of switching to the language of a particular receiver. This method provides multilingual support when creating mails directly out-of-the-box.

As we can see from this example, this programming code is not too big, it can take from 1 to 3 hrs to program a code to create a mail and the workflow exit class.

 

Implementation Simplicity

All you have to do in order to boost the implementation is to copy or inherit supplementary classes.

If you need to implement a separate option, you are to redetermine the respected class method.

I would like to emphasize that the volume of a developed code is not too big as the main part of the functionality is already implemented in the Add-On.

SAP GUI example

Now we are going to open some backend system. Here we are opening the Purchase Order for which our mail has been created. To make it easier and more convenient for a person responsible for the purchase order approval, to spare him from the necessity to log in to the SAP system, our mail has the main elements of the document

  • Purchase Order Number
  • Creation Date
  • Purchased materials
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The Email

As the result of calling the class method delivered in the YCA1 solution of Simple Communication, we see the following mail created.

po_wi

As we can see, this mail contains exactly the same details of the Purchase Order as were shown in the previous step.

 

Conclusion

So, implementation of the Simple Communication add-on can significantly speed up development of SAP applications and utilities necessary to form, send and process incoming emails.

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