User storyIn CRM WebUI, the sales area of a given opportunity consists of the following fields in assignment block “Organizational Data”. Note the “Sales Office” and “Sales Group” marked with red: 
However in Fiori these two fields are not available. 
The series of this blog will introduce how to bring these two standard fields into Fiori and provide CRUD operations on them. As the first step, we need to expose the read operation of these two fields via odata service, which means when we test the odata service read operation, we expect to see both in response stream. Below is the screenshot of response before extension – both fields are missing there. 
(1) When the data for Sales area tab in Fiori is read from backend, we make investigation and find out the data for both fields are already returned by one order API and available in the context of standard odata service implementation.  
Since there is a MOVE-CORRESPONDING fields to move the opportunity data from one order API result to result structure of odata service, for the read operation, we just need to create two new fields in the structure of ls_entityset with exactly the same name, SALES_OFFICE and SALES_GROUP, then the MOVE-CORRESPONDING will take effect. 
(2) The DDIC structure of Opportunity header is enhanced as below: 
Add these two fields in service builder as well, re-generate runtime objects and clear model cache in both gateway and backend system to ensure the new fields could be visible in the runtime. 
(3) retest the odata service read operation, the sales office and sales group are now available in the read response. 
第二部分In previous blog, the two fields Sales Office and Sales Group have already been exposed via OData service read operation. In this part I will make the two fields visible in Fiori UI. The final UI would look like below: 
Step1: find the available extension point in UI to hold the two fieldsThere is existing extension point in opportunity detail view: 
As the first step, our aim is just to display the two fields in Fiori UI without considering format requirement. So we just directly bind the two fields to SalesOfficeCode and SalesGroupCode exposed by blog part1.
This step is quite easy to do. The UI after this step looks like below. We can notice that for the other three standard fields, always the format + ( + + ) is displayed in UI.
The format is defined in xml view as below:
<Text id="salesorganization_Text" text="{parts: [{path :'json>/SalesOrganizationDescription'},{path : 'json>/SalesOrganization'}], formatter : 'cus.crm.opportunity.util.Formatter.formatSalesOrganization'}"></Text>and the simple format function:
formatSalesOrganization : function(SalesOrganizationDescription, SalesOrganizationId){ var SalesOrganization = ""; if(SalesOrganizationId != undefined && SalesOrganizationId != "") { SalesOrganization = SalesOrganizationDescription + " (" + SalesOrganizationId + ")"; } return SalesOrganization; },In next step, we will enable the same format function for the two new fields.
Step2: create another two new fields SalesGroupText and SalesOfficeText to hold the description
The steps are also exactly the same as how we create the two fields SalesGroupCode and SalesOfficeCode in blog1: add the fields in DDIC structure and related Odata Model node:
After we have these two fields to store description, we can write the logic to get description by code. All READ-related methods need to be enhanced with this logic. a. redefine method OPPORTUNITIES_GET_ENTITYSET and paste the following source code:
METHOD opportunities_get_entityset. DATA: lv_otype TYPE otype. FIELD-SYMBOLS: <opportunity> LIKE LINE OF et_entityset. CALL METHOD super->opportunities_get_entityset EXPORTING iv_entity_name = iv_entity_name iv_entity_set_name = iv_entity_set_name iv_source_name = iv_source_name it_filter_select_options = it_filter_select_options is_paging = is_paging it_key_tab = it_key_tab it_navigation_path = it_navigation_path it_order = it_order iv_filter_string = iv_filter_string iv_search_string = iv_search_string IMPORTING et_entityset = et_entityset.* Note: the single read below is not efficient from performance point of view.* In production code you can use cl_crm_orgman_interface=>READ_TEXT_MULTI to improve performance LOOP AT et_entityset ASSIGNING <opportunity>. IF <opportunity>-sales_group IS NOT INITIAL. lv_otype = <opportunity>-sales_group+0(1). CALL METHOD cl_crm_orgman_interface=>read_text_single EXPORTING otype = lv_otype objid = <opportunity>-sales_group+2(8) IMPORTING display_text = <opportunity>-sales_group_txt. ENDIF. IF <opportunity>-sales_office IS NOT INITIAL. lv_otype = <opportunity>-sales_office+0(1). CALL METHOD cl_crm_orgman_interface=>read_text_single EXPORTING otype = lv_otype objid = <opportunity>-sales_office+2(8) IMPORTING display_text = <opportunity>-sales_office_txt. ENDIF. ENDLOOP. ENDMETHOD. b. create a new private method FILL_SALES_TEXT with the following signature:
source code:
METHOD fill_sales_text. FIELD-SYMBOLS: <opp_header> TYPE cl_crm_opportunity_mpc=>ts_opportunity, <opp_expand> TYPE crmt_odata_oppt_hdr_expanded, <opp> TYPE any, <salegroup_text> TYPE crmt_odata_oppt_header-sales_group_txt, <saleoffice_text> TYPE crmt_odata_oppt_header-sales_office_txt, <salegroup_code> TYPE crmt_odata_oppt_header-sales_group, <saleoffice_code> TYPE crmt_odata_oppt_header-sales_office. DATA: lv_otype TYPE otype. IF iv_called_by_expand = abap_false. ASSIGN cr_entity->* TO <opp_header>. ASSIGN <opp_header> TO <opp>. ELSE. ASSIGN cr_entity->* TO <opp_expand>. ASSIGN <opp_expand> TO <opp>. ENDIF. ASSIGN COMPONENT 'SALES_GROUP' OF STRUCTURE <opp> TO <salegroup_code>. ASSIGN COMPONENT 'SALES_GROUP_TXT' OF STRUCTURE <opp> TO <salegroup_text>. ASSIGN COMPONENT 'SALES_OFFICE' OF STRUCTURE <opp> TO <saleoffice_code>. ASSIGN COMPONENT 'SALES_OFFICE_TXT' OF STRUCTURE <opp> TO <saleoffice_text>. IF <salegroup_code> IS NOT INITIAL. lv_otype = <salegroup_code>+0(1). CALL METHOD cl_crm_orgman_interface=>read_text_single EXPORTING otype = lv_otype objid = <salegroup_code>+2(8) IMPORTING display_text = <salegroup_text>. ENDIF. IF <saleoffice_code> IS NOT INITIAL. lv_otype = <saleoffice_code>+0(1). CALL METHOD cl_crm_orgman_interface=>read_text_single EXPORTING otype = lv_otype objid = <saleoffice_code>+2(8) IMPORTING display_text = <saleoffice_text>. ENDIF. ENDMETHOD. c. in DPC_EXT’s method /IWBEP/IF_MGW_APPL_SRV_RUNTIME~GET_ENTITY, call the FILL_SALES_TEXT:
METHOD /iwbep/if_mgw_appl_srv_runtime~get_entity. CALL METHOD super->/iwbep/if_mgw_appl_srv_runtime~get_entity EXPORTING iv_entity_name = iv_entity_name iv_entity_set_name = iv_entity_set_name iv_source_name = iv_source_name it_key_tab = it_key_tab it_navigation_path = it_navigation_path io_tech_request_context = io_tech_request_context IMPORTING er_entity = er_entity es_response_context = es_response_context. CASE iv_entity_name. WHEN 'Opportunity'. CALL METHOD fill_sales_text EXPORTING iv_called_by_expand = abap_false CHANGING cr_entity = er_entity. WHEN OTHERS. ENDCASE. ENDMETHOD. in DPC_EXT’s method /IWBEP/IF_MGW_APPL_SRV_RUNTIME~GET_EXPANDED_ENTITY, call the method as well:
METHOD /iwbep/if_mgw_appl_srv_runtime~get_expanded_entity. CALL METHOD super->/iwbep/if_mgw_appl_srv_runtime~get_expanded_entity EXPORTING iv_entity_name = iv_entity_name iv_entity_set_name = iv_entity_set_name iv_source_name = iv_source_name it_key_tab = it_key_tab it_navigation_path = it_navigation_path io_expand = io_expand io_tech_request_context = io_tech_request_context IMPORTING er_entity = er_entity es_response_context = es_response_context et_expanded_clauses = et_expanded_clauses et_expanded_tech_clauses = et_expanded_tech_clauses. CASE iv_entity_name. WHEN 'Opportunity'. CALL METHOD fill_sales_text EXPORTING iv_called_by_expand = abap_true CHANGING cr_entity = er_entity. ENDCASE. ENDMETHOD. Once this step is done, you could test your enhanced Odata service read operation and ensure you could see both code and description of SalesGroup and SalesOffice in response.
Step3: change the binding of extension fields
Just change the binding path from code to the converted value formatted by the formatter.
<core:FragmentDefinition xmlns="sap.m" xmlns:core="sap.ui.core" xmlns:ui="sap.ui.layout"> <ui:form.SimpleForm id="salesAreaInfoTabContentBottomExtension"> <ui:content> <Label id="SalesOfficeLabel" text="Sales Office"> </Label> <Text id="SalesOffice" text="{parts: [{path :'json>/SalesOfficeText'},{path : 'json>/SalesOfficeCode'}], formatter : 'cus.crm.opportunity.CRM_OPPRTNTYExtension.UtilExtension.Util.formatSalesOffice'}"></Text> <Label id="SalesGroupLabel" text="Sales Group"> </Label> <Text id="SalesGroup" text="{parts: [{path :'json>/SalesGroupText'},{path : 'json>/SalesGroupCode'}], formatter : 'cus.crm.opportunity.CRM_OPPRTNTYExtension.UtilExtension.Util.formatSalesOffice'}"></Text> </ui:content> </ui:form.SimpleForm></core:FragmentDefinition>The complete UI code could be found in github:https://github.com/i042416/testOpportunityExtension/ with commit id: 7489bd487cc40fff1a9dd3b9d3683036961a1061 The complete backend source code could be found from attachment.
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