/// <summary>
/// Executes the plug-in.
/// </summary>
/// <param name="localContext">The <see cref="LocalPluginContext"/> which contains the
/// <see cref="IPluginExecutionContext"/>,
/// <see cref="IOrganizationService"/>
/// and <see cref="ITracingService"/>
/// </param>
/// <remarks>
/// For improved performance, Microsoft Dynamics CRM caches plug-in instances.
/// The plug-in's Execute method should be written to be stateless as the constructor
/// is not called for every invocation of the plug-in. Also, multiple system threads
/// could execute the plug-in at the same time. All per invocation state information
/// is stored in the context. This means that you should not use global variables in plug-ins.
/// </remarks>
protected void ExecutePreInvoiceCreate(LocalPluginContext localContext)
{
if (localContext == null)
{
throw new ArgumentNullException("localContext");
}
IPluginExecutionContext context = localContext.PluginExecutionContext;
IOrganizationService service = localContext.OrganizationService;
ITracingService trace = localContext.TracingService;
Entity invoiceEntity = (Entity)context.InputParameters["Target"];
string message = context.MessageName;
string error = "";
try
{
InvoiceHandler invoiceHandler = new InvoiceHandler(service, trace);
if (invoiceHandler.IsInvoiceExists(invoiceEntity))
{
throw new InvalidPluginExecutionException("There is already Invoice created for this Sales Order.");
}
invoiceHandler.ReplicateOrderInfo(invoiceEntity);
}
catch (Exception ex)
{
throw new InvalidPluginExecutionException(String.Concat(ex.Message));
}
}