/// <summary>
/// Run the code example.
/// </summary>
/// <param name="user">The DFP user object running the code example.</param>
public override void Run(DfpUser user)
{
// Get the CustomFieldService.
CustomFieldService customFieldService = (CustomFieldService)user.GetService(
DfpService.v201502.CustomFieldService);
// Get the LineItemService.
LineItemService lineItemService = (LineItemService)user.GetService(
DfpService.v201502.LineItemService);
// Set the IDs of the custom fields, custom field option, and line item.
long customFieldId = long.Parse(_T("INSERT_STRING_CUSTOM_FIELD_ID_HERE"));
long customFieldOptionId = long.Parse(_T("INSERT_CUSTOM_FIELD_OPTION_ID_HERE"));
long lineItemId = long.Parse(_T("INSERT_LINE_ITEM_ID_HERE"));
try {
// Get the drop-down custom field id.
long dropDownCustomFieldId =
customFieldService.getCustomFieldOption(customFieldOptionId).customFieldId;
StatementBuilder statementBuilder = new StatementBuilder()
.Where("id = :id")
.OrderBy("id ASC")
.Limit(1)
.AddValue("id", lineItemId);
// Get the line item.
LineItemPage lineItemPage = lineItemService.getLineItemsByStatement(
statementBuilder.ToStatement());
LineItem lineItem = lineItemPage.results[0];
// Create custom field values.
List <BaseCustomFieldValue> customFieldValues = new List <BaseCustomFieldValue>();
TextValue textValue = new TextValue();
textValue.value = "Custom field value";
CustomFieldValue customFieldValue = new CustomFieldValue();
customFieldValue.customFieldId = customFieldId;
customFieldValue.value = textValue;
customFieldValues.Add(customFieldValue);
DropDownCustomFieldValue dropDownCustomFieldValue = new DropDownCustomFieldValue();
dropDownCustomFieldValue.customFieldId = dropDownCustomFieldId;
dropDownCustomFieldValue.customFieldOptionId = customFieldOptionId;
customFieldValues.Add(dropDownCustomFieldValue);
// Only add existing custom field values for different custom fields than
// the ones you are setting.
if (lineItem.customFieldValues != null)
{
foreach (BaseCustomFieldValue oldCustomFieldValue in lineItem.customFieldValues)
{
if (!(oldCustomFieldValue.customFieldId == customFieldId) &&
!(oldCustomFieldValue.customFieldId == dropDownCustomFieldId))
{
customFieldValues.Add(oldCustomFieldValue);
}
}
}
lineItem.customFieldValues = customFieldValues.ToArray();
// Update the line item on the server.
LineItem[] lineItems = lineItemService.updateLineItems(new LineItem[] { lineItem });
if (lineItems != null)
{
foreach (LineItem updatedLineItem in lineItems)
{
List <String> customFieldValueStrings = new List <String>();
foreach (BaseCustomFieldValue baseCustomFieldValue in lineItem.customFieldValues)
{
if (baseCustomFieldValue is CustomFieldValue &&
((CustomFieldValue)baseCustomFieldValue).value is TextValue)
{
customFieldValueStrings.Add("{ID: '" + baseCustomFieldValue.customFieldId
+ "', value: '"
+ ((TextValue)((CustomFieldValue)baseCustomFieldValue).value).value
+ "'}");
}
else if (baseCustomFieldValue is DropDownCustomFieldValue)
{
customFieldValueStrings.Add("{ID: '" + baseCustomFieldValue.customFieldId
+ "', custom field option ID: '"
+ ((DropDownCustomFieldValue)baseCustomFieldValue).customFieldOptionId
+ "'}");
}
}
Console.WriteLine("A line item with ID \"{0}\" set with custom field values \"{1}\".",
updatedLineItem.id, string.Join(", ", customFieldValueStrings.ToArray()));
}
}
else
{
Console.WriteLine("No line items were updated.");
}
} catch (Exception ex) {
Console.WriteLine("Failed to update line items. Exception says \"{0}\"", ex.Message);
}
}
