Ejemplo n.º 1
0
        /// <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 ExecutePostVehicleandItemCatalogUpdate(LocalPluginContext localContext)
        {
            if (localContext == null)
            {
                throw new ArgumentNullException("localContext");
            }

            IPluginExecutionContext context = localContext.PluginExecutionContext;

            Entity preImageEntity  = (context.PreEntityImages != null && context.PreEntityImages.Contains(this.preImageAlias)) ? context.PreEntityImages[this.preImageAlias] : null;
            Entity postImageEntity = (context.PostEntityImages != null && context.PostEntityImages.Contains(this.postImageAlias)) ? context.PostEntityImages[this.postImageAlias] : null;


            IOrganizationService service = localContext.OrganizationService;
            ITracingService      trace   = localContext.TracingService;
            Entity countEntryDetail      = (Entity)context.InputParameters["Target"];

            if (!(context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity))
            {
                return;
            }

            if (countEntryDetail.LogicalName != "product")
            {
                return;
            }

            if (context.Mode == 0) //Synchronous Plug-in
            {
                string message = context.MessageName;

                try
                {
                    ProductHandler productHandler = new ProductHandler(service, trace);

                    var preImageTax = preImageEntity.GetAttributeValue <EntityReference>("gsc_taxid") != null
                        ? preImageEntity.GetAttributeValue <EntityReference>("gsc_taxid").Id
                        : Guid.Empty;

                    var preImagePriceList = preImageEntity.GetAttributeValue <EntityReference>("pricelevelid") != null
                        ? preImageEntity.GetAttributeValue <EntityReference>("pricelevelid").Id
                        : Guid.Empty;

                    var postImageTax = postImageEntity.GetAttributeValue <EntityReference>("gsc_taxid") != null
                        ? postImageEntity.GetAttributeValue <EntityReference>("gsc_taxid").Id
                        : Guid.Empty;

                    var postImagePriceList = postImageEntity.GetAttributeValue <EntityReference>("pricelevelid") != null
                        ? postImageEntity.GetAttributeValue <EntityReference>("pricelevelid").Id
                        : Guid.Empty;

                    if (preImageTax != postImageTax)
                    {
                        productHandler.PopulateTaxRate(postImageEntity);
                    }
                    if (preImagePriceList != postImagePriceList)
                    {
                        productHandler.ClearSellingPrice(postImageEntity);
                    }
                }
                catch (Exception ex)
                {
                    throw new InvalidPluginExecutionException(String.Concat(ex.Message));
                }
            }
        }