cloud-cap-samples/srv/extension_service_ui_assoc.cds_

using from '_base/app/services';
using OrdersService from './extension_service';


// new entity -- draft enabled
annotate OrdersService.Z_Customers with @odata.draft.enabled;
// new codelist entity -- draft enabled
annotate OrdersService.Z_SalesRegion with @odata.draft.enabled;


// new entity -- titles
annotate OrdersService.Z_Customers with {
  ID           @(
    UI.Hidden,
    Common : {Text : email}
  );
  firstName    @title : 'First Name';
  lastName     @title : 'Last Name';
  email        @title : 'Email';
  creditCardNo @title : 'Credit Card No';
  dateOfBirth  @title : 'Date of Birth';
  status       @title : 'Status';
  creditScore  @title : 'Credit Score';
}

// new entity -- titles
annotate OrdersService.Z_CustomerPostalAddresses with {
  ID          @(
    UI.Hidden,
    Common : {Text : description}
  );
  description @title : 'Description';
  street      @title : 'Street';
  town        @title : 'Town';
  country     @title : 'Country';
}

// new entity -- titles
annotate OrdersService.Z_SalesRegion with {
  regionCode @title : 'Region Code';
}

// new entity -- titles
annotate OrdersService.Z_Remarks with {
  number      @title : 'Remark Number';
  remarksLine @title : 'Remark';
}


// new entity in service -- UI
annotate OrdersService.Z_Customers with @(UI : {
  HeaderInfo       : {
    TypeName       : 'Customer',
    TypeNamePlural : 'Customers',
    Title          : {
      $Type : 'UI.DataField',
      Value : email
    }
  },
  LineItem         : [
    {Value : firstName},
    {Value : lastName},
    {Value : email},
    {Value : status},
    {Value : creditScore}
  ],
  Facets           : [
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : 'Main',
      Target : '@UI.FieldGroup#Main'
    },
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : 'Customer Postal Addresses',
      Target : 'PostalAddresses/@UI.LineItem'
    }
  ],
  FieldGroup #Main : {Data : [
    {Value : firstName},
    {Value : lastName},
    {Value : email},
    {Value : status},
    {Value : creditScore}
  ]}
});

// new entity -- UI
annotate OrdersService.Z_CustomerPostalAddresses with @(UI : {
  HeaderInfo       : {
    TypeName       : 'CustomerPostalAddress',
    TypeNamePlural : 'CustomerPostalAddresses',
    Title          : {
      $Type : 'UI.DataField',
      Value : description
    }
  },
  LineItem         : [
    {Value : description},
    {Value : street},
    {Value : town},
    {Value : country_code}
  ],
  Facets           : [{
    $Type  : 'UI.ReferenceFacet',
    Label  : 'Main',
    Target : '@UI.FieldGroup#Main'
  }],
  FieldGroup #Main : {Data : [
    {Value : description},
    {Value : street},
    {Value : town},
    {Value : country_code}
  ]}
}, ) {

};

// new entity -- UI
annotate OrdersService.Z_SalesRegion with @(UI : {
  HeaderInfo       : {
    TypeName       : 'Sales Region',
    TypeNamePlural : 'Sales Regions',
    Title          : {
      $Type : 'UI.DataField',
      Value : regionCode
    }
  },
  LineItem         : [
    {Value : regionCode},
    {Value : name},
    {Value : descr}
  ],
  Facets           : [{
    $Type  : 'UI.ReferenceFacet',
    Label  : 'Main',
    Target : '@UI.FieldGroup#Main'
  }],
  FieldGroup #Main : {Data : [
    {Value : regionCode},
    {Value : name},
    {Value : descr}
  ]}
}, ) {

};


// new entity -- UI
annotate OrdersService.Z_Remarks with @(UI : {
  HeaderInfo       : {
    TypeName       : 'Remark',
    TypeNamePlural : 'Remarks',
    Title          : {
      $Type : 'UI.DataField',
      Value : number
    }
  },
  LineItem         : [
    {Value : number},
    {Value : remarksLine}
  ],
  Facets           : [{
    $Type  : 'UI.ReferenceFacet',
    Label  : 'Main',
    Target : '@UI.FieldGroup#Main'
  }],
  FieldGroup #Main : {Data : [
    {Value : number},
    {Value : remarksLine}
  ]}
}, ) {

};

// extend existing entity Orders with new extension fields and new composition

@odata.draft.enabled
annotate OrdersService.Orders with @(UI : {
  SelectionFields      : [
    createdAt,
    createdBy
  ],
  LineItem             : [
    {
      Value : OrderNo,
      Label : 'OrderNo'
    },
    {
      Value : Z_Customer_ID,
      Label : 'Customer'
    }, // extension field
    {
      Value : Z_SalesRegion_regionCode,
      Label : 'Sales Region'
    }, // extension field
    {
      Value : Z_priority,
      Label : 'Priority'
    }, // extension field
    {
      Value : createdAt,
      Label : 'Date'
    }
  ],
  HeaderInfo           : {
    TypeName       : 'Order',
    TypeNamePlural : 'Orders',
    Title          : {
      Label : 'Order number ', //A label is possible but it is not considered on the ObjectPage yet
      Value : OrderNo
    },
    Description    : {Value : createdBy}
  },
  Identification       : [ //Is the main field group
    {
      Value : createdBy,
      Label : 'Customer'
    },
    {
      Value : createdAt,
      Label : 'Date'
    },
    {Value : OrderNo},
  ],
  HeaderFacets         : [
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : '{i18n>Created}',
      Target : '@UI.FieldGroup#Created'
    },
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : '{i18n>Modified}',
      Target : '@UI.FieldGroup#Modified'
    },
  ],
  Facets               : [
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : '{i18n>Details}',
      Target : '@UI.FieldGroup#Details'
    },
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : '{i18n>OrderItems}',
      Target : 'Items/@UI.LineItem'
    },
    {
      $Type  : 'UI.ReferenceFacet',
      Label  : 'Remarks',
      Target : 'Z_Remarks/@UI.LineItem'
    } // new composition
  ],
  FieldGroup #Details  : {Data : [
    {
      Value : currency_code,
      Label : 'Currency'
    },
    {
      Value : Z_Customer_ID,
      Label : 'Customer'
    }, // extension field
    {
      Value : Z_SalesRegion_regionCode,
      Label : 'Sales Region'
    }, // extension field
    {
      Value : Z_priority,
      Label : 'Priority'
    } // extension field
  ]},
  FieldGroup #Created  : {Data : [
    {Value : createdBy},
    {Value : createdAt},
  ]},
  FieldGroup #Modified : {Data : [
    {Value : modifiedBy},
    {Value : modifiedAt},
  ]},
}, )

{
  createdAt @UI.HiddenFilter : false;
  createdBy @UI.HiddenFilter : false;
};


// new field in existing service -- exchange ID with text
annotate OrdersService.Orders with {
  Z_Customer @(Common : {
    //show email, not id for Customer in the context of Orders
    Text            : Z_Customer.email,
    TextArrangement : #TextOnly,
    ValueList       : {
      Label          : 'Customers',
      CollectionPath : 'Z_Customers',
      Parameters     : [
        {
          $Type             : 'Common.ValueListParameterInOut',
          LocalDataProperty : Z_Customer_ID,
          ValueListProperty : 'ID'
        },
        {
          $Type             : 'Common.ValueListParameterDisplayOnly',
          ValueListProperty : 'email'
        }
      ]
    }
  });
}