Extend an MDK App with Customer Orders

This page will display customer orders list, you will add an Object Table control that is used to display information (like Sales order ID, order creation date, gross amount and life cycle status name) about an object.

You can find more details about available controls in section page.

1. In SAP Business Application Studio project, right-click the Pages | MDK: New Page | select Section | Next.

   

   You can find more details about section pages.

2. In the Base Information step, enter the page Name Customers_Orders and click Finish to complete the page creation process.

   

3. In the Properties pane, set the caption to Customer Orders.

   

4. Next, add an Object Table control to display information like sales order ID, order creation date, gross amount and life cycle status name.

   In the Layout Editor, expand the Controls | Data Bound Container group, drag and drop the Object Table control onto the page area.

   

5. In the Properties pane, provide the below information:

   Property	Value
   Service	Select SampleServiceV2.service from the dropdown
   EntitySet	Select SalesOrderHeaders from the dropdown
   QueryOptions	$filter=CustomerId eq '{CustomerId}'&$orderby=CreatedAt desc

   

   For a given customer id, query expression will filter top 5 order entries returned in descending when sorted by the order creation date property.

   

6. Now, start binding Object Table properties with SalesOrderHeaders entity set properties.

   Provide the below information:

   Property	Value
   Description	$(D,{CreatedAt},'','',{format:'medium'})
   Footnote	Remove the default value and leave it blank
   PreserveIconStackSpacing	false
   ProgressIndicator	Remove the default value and leave it blank
   Status	$(C,{GrossAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true})
   Subhead	bind to {CustomerId}
   Substatus	bind to {LifeCycleStatusName}
   Tags	Click the item0 and then click the trash icon to delete the default item
   Title	bind to {SalesOrderId}

   

   $(D,{CreatedAt},'','',{format:'medium'}) is an expression of how to format a date, end result would be like June 20, 2020. By default it will be formatted to the device’s locale setting. More details on Date Formatter is available in documentation.

   

   $(C,{GrossAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true}) is an expression of how to format currency value, end result would be like €200.44. By default it will be formatted to the device’s locale setting. More details on Currency Formatter is available in documentation.

   

7. In the Search section of the Properties pane, change both the Search Enabled property and Barcode Scanner property to true.

   

8. In the Behavior section of the Properties pane, select DisclosureIndicator to AccessoryType property.

   

9. In the Avatar Grid section of the Properties pane, remove the default Avatar by selecting the item0 and then clicking the trash icon to delete the default item.

   

10. In the Avatar Stack section of the Properties pane, remove the default Avatar by selecting the item0 and then clicking the trash icon to delete the default item.

    

11. In the EmptySection of the Properties pane, provide No Orders Found for the Caption property.

    

This page will show related details for an order. In this page, you will add an Object Header control that is used to display information (like first name, last name, date of birth, email address & phone number) about the header of an object and Static Key Value control to display key value pair items like address, city, postal code & country.

1. In SAP Business Application Studio project, right-click the Pages | MDK: New Page | select Section | Next.

   

2. Enter the Page Name as SalesOrders_Details and click Finish to complete the page creation process.

   

3. In the Properties pane set the Caption to Order Details.

   

4. Next, you will add a Static Key Value container and its item Key Value Item to display information like sales order id, life cycle status & date of order creation name.

   Static Key Value is a container that can display one or more key value pair items on a section page. In this container, you can include a Key Value Item, a simple key value cell that displays a label and a text pair. You can find more details here about this container.

   In the Layout Editor, expand the Controls | Static Container section, drag and drop the Static Key Value control onto the page area.

   

5. Now, add key value item to this container. In the Layout Editor, expand the Controls | Static Items section, drag and drop the Key Value Item control onto the page area.

   

   Provide the below information:

   Property	Value
   KeyName	Order Number
   Value	bind to {SalesOrderId}

   

   Make sure to select values for the mentioned properties only from SalesOrderHeader entity. You may find similar values from other entities.

6. Repeat the above step by adding 5 more Key Value Item on the page.

   

   Provide the below information:

   Property	Value
   KeyName	Status
   Value	bind to {LifeCycleStatusName}

   Property	Value
   KeyName	Created At
   Value	$(D,{CreatedAt},'','',{format:'medium'})

   Property	Value
   KeyName	Net Amount
   Value	$(C,{NetAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true})

   Property	Value
   KeyName	Tax Amount
   Value	$(C,{TaxAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true})

   Property	Value
   KeyName	Total Amount
   Value	$(C,{GrossAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true})

   You should have final binding for all key value items as below:

   

When user taps an Order on the Customer Orders page, it should navigate to related details page.

1. In the Customers_Orders.page, select the Object Table control, navigate to the Events tab. Click the 3 dots icon for the OnPress property and select the Create a rule/action.

   

2. Keep the default selection for the Object Type as Action and Folders path.

   

3. In the Template Selection step, choose UI in Category | click Navigation | Next.

4. In the Base Information step, provide the below information:

   Field	Value
   Name	NavToSalesOrders_Details
   PageToOpen	Select SalesOrders_Details.page from the dropdown

   

5. Click Finish to complete the action creation process.

1. You will add an Object Table compound to display top 5 orders information in the Customers_Detail.page.

   In the Layout Editor, expand the Controls | Data Bound Container group, drag and drop the Object Table control onto the page area.

   

2. In the Properties pane, provide below information:

   Field	Value
   Service	select SampleServiceV2.service from the dropdown
   EntitySet	enter {@odata.readLink}/SalesOrders
   QueryOptions	$top=5&$orderby=CreatedAt desc

   

   The odata.readLink annotation contains the read URL of the entity or collection.

   SalesOrders is a navigation property in Customer entity to SalesOrderHeader entity. You can find this information in OData service metadata document.

   

   QueryOptions expression will filter order entries returned in descending when sorted by the order creation date property.

3. Now, start binding Object Table properties with SalesOrderHeaders entity set properties.

   In the Appearance section of the Properties pane, provide the below information:

   Field	Value
   Description	Remove the default value and leave it blank
   Footnote	Remove the default value and leave it blank
   PreserveIconStackSpacing	select false from the dropdown
   ProgressIndicator	Remove the default value and leave it blank
   Status	$(C,{GrossAmount},{CurrencyCode},'',{maximumFractionDigits:2,useGrouping:true})
   Subhead	$(D,{CreatedAt},'','',{format:'medium'})
   Substatus	bind to {CurrencyCode}
   Tags	Click the item0 and then click the trash icon to delete the default item
   Title	bind to {SalesOrderId}

   

4. In the Behavior section of the Properties pane, select DisclosureIndicator to AccessoryType property.

   

5. In the Avatar Grid section of the Properties pane, remove the default Avatar by selecting the item0 and then clicking the trash icon to delete the default item.

   

6. In the Avatar Stack section of the Properties pane, remove the default Avatar by selecting the item0 and clicking the trash icon to delete the default item.

   

7. In the EmptySection of the Properties pane, provide No Customer Orders Found to Caption property.

   

8. You may also want to open SalesOrders_Detail.page when clicking on any order in Customers_Detail.page. For this, you will set the OnPress event of the Object Table and link it to NavToSalesOrders_Details.action so that when an end-user selects a order, the Order Details page will open. MDK automatically passes the selected order to the details page.

   In Customers_Detail.page, select the Object Collection, click the 3 dots icon under the Events tab for the OnPress event to open the Object Browser.

   Double-click the NavToSalesOrders_Details.action and click OK to set it as the OnPress action.

   

1. For orders grid area, you will add a header to display some text label in Customers_Detail.page.

   In the Layout Editor, expand the Controls | Section Bar section, drag and drop the Header control above the order grid area.

   

2. Provide the below information:

   Property	Value
   Caption	Customer Orders

   

   You can find more details about Header control.

1. For orders grid area, you will also add a footer to display total count of orders for a customer.

   In the Layout Editor, expand the Controls | Section Bar section, drag and drop the Footer control above the order grid area.

   

2. To show a total count of orders for a customer, you will write a JavaScript logic for this calculation. Click Create a rule option for AttributeLabel property of the Footer control.

   

3. Keep the default selection for the Object Type as Rule and Folders path.

   

4. Enter the Rule name asCustomers_OrderCount, and then click Finish to complete the rule creation process.

   

5. Copy and paste the following code.

   JavaScript

   Copy

   export default function CustomerOrderCount(context) {
       //The following currentCustomer will retrieve the current customer record
       const currentCustomer = context.getPageProxy().binding.CustomerId;
       //The following expression will retrieve the total count of the orders for a given customer
       return context.count('/DemoSampleApp/Services/SampleServiceV2.service', 'SalesOrderHeaders', `$filter=CustomerId eq '${currentCustomer}'`).then((count) => {
           return count;
       });
   }    
   

6. Switch back to the Customers_Detail.page and provide the below information for other properties of the Footer control:

   Property	Value
   Caption	See All
   FooterStyle	Select attribute from the dropdown
   AccessoryType	Select DisclosureIndicator from the dropdown

   

   You can find more details about Footer control.

7. You may also want to open Customer Orders page when clicking See All to see a complete list of orders belong to a particular customer.

   Navigate to the Events tab for the Footer control. Click the 3 dots icon for the OnPress property and select the Create a rule/action.

   

8. Keep the default selection for the Object Type as Action and Folders path.

   

9. In the Template Selection step, choose UI in Category | click Navigation | Next.

10. In the Base Information step, provide the below information:

    Field	Value
    Name	NavToCustomers_Orders
    PageToOpen	Select Customers_Orders.page from the dropdown

    

11. Click Finish to complete the action creation process.

Deploy the updated application to your MDK client.

1. Right-click Application.app and select MDK: Deploy.

   

2. Select deploy target as Mobile & Cloud.

   

   You should see success message for both deployments.

   

   Alternatively, you can select MDK: Redeploy in the command palette (View menu>Find Command OR press Command+Shift+p on Mac OR press Ctrl+Shift+P on Windows machine), it will perform the last deployment.