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Refresh Data After Executing a Smart Service

This scenario demonstrates:

  • How to force a variable to be refreshed after a smart service is executed to get the latest data.

Expression

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a!localVariables(
  local!updateCounter: 0,
  local!employee: a!refreshVariable(
    value: a!queryEntity(
      entity: cons!EMPLOYEE_ENTITY,
      query: a!query(
        logicalExpression: a!queryLogicalExpression(
          operator: "AND",
          filters: {
            a!queryFilter(field: "id", operator: "=", value: 1)
          },
          ignoreFiltersWithEmptyValues: true
        ),
        pagingInfo: a!pagingInfo(startIndex: 1, batchSize: 1)
      ),
      fetchTotalCount: false
    ).data[1],
    refreshOnVarChange: local!updateCounter
  ),
  local!edit: false,
  {
    a!columnsLayout(
      columns: {
        a!columnLayout(
          contents: {
            a!textField(
              label: "First Name",
              value: local!employee.firstName,
              saveInto: local!employee.firstName,
              readOnly: not(local!edit)
            ),
            a!textField(
              label: "Last Name",
              value: local!employee.lastName,
              saveInto: local!employee.lastName,
              readOnly: not(local!edit)
            )
          }
        ),
        a!columnLayout(
          contents: {
            a!textField(
              label: "Department",
              value: local!employee.department,
              saveInto: local!employee.department,
              readOnly: not(local!edit)
            ),
            a!textField(
              label: "Title",
              value: local!employee.title,
              saveInto: local!employee.title,
              readOnly: not(local!edit)
            )
          }
        ),
        a!columnLayout(
          contents: {
            a!textField(
              label: "Phone Number",
              value: local!employee.phoneNumber,
              saveInto: local!employee.phoneNumber,
              readOnly: not(local!edit)
            ),
            a!dateField(
              label: "Start Date",
              value: local!employee.startDate,
              saveInto: local!employee.startDate,
              readOnly: not(local!edit)
            )
          }
        )
      }
    ),
    a!sideBySideLayout(
      items: {
        a!sideBySideItem(
          item: a!buttonArrayLayout(
            buttons: {
              a!buttonWidget(
                label: "Cancel",
                style: "SECONDARY",
                value: false,
                saveInto: local!edit,
                showWhen: local!edit
              )
            },
            align: "START"
          )
        ),
        a!sideBySideItem(
          item: a!buttonArrayLayout(
            buttons: {
              a!buttonWidget(
                label: "Edit",
                value: true,
                saveInto: local!edit,
                showWhen: not(local!edit)
              ),
              a!buttonWidget(
                label: "Save",
                style: "PRIMARY",
                showWhen: local!edit,
                value: false,
                saveInto: {
                  local!edit,
                  a!writeToDataStoreEntity(
                    dataStoreEntity: cons!EMPLOYEE_ENTITY,
                    valueToStore: local!employee,
                    onSuccess: a!save(
                      local!updateCounter,
                      local!updateCounter + 1
                    )
                  )
                }
              )
            },
            align: "END"
          )
        )
      }
    )
  }
)

Test it out

  1. Click the Edit button
  2. Edit one of the employee fields
  3. Click the Save button

Notable implementation details

  • The Save button increments a counter to make sure the value of local!updateCounter always changes. Using a boolean flag that gets set to true when you click the button wouldn't work because the value wouldn't change between the first and second time you clicked the button.

Refresh Data After Executing a Smart Service

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