59600_de-DE

liliconcom

Saleforce Opportunity Attachment Controller

Hier ist der Code zum Erstellen des Opportunity-Anhang-Controller-Objekts in Apex.

Wählen Sie in der Entwicklerkonsole die Option Datei neu.

Wählen Sie Apex-Klasse und geben Sie den Code ein.

Speichern Sie die Datei als UploadOpportunityAttachmentController.apxc

 

public class UploadOpportunityAttachmentController {
    
    public String selectedType {get;set;}
    public String subject {get;set;}
    private Opportunity opportunity {get;set;} 
    public Boolean selectedComit {get;set;}
    public String fileName {get;set;}
    public Blob fileBody {get;set;}
    
    public UploadOpportunityAttachmentController(ApexPages.StandardController controller) { 
        this.opportunity = (Opportunity)controller.getRecord();
    }   
    
    // creates a new Opportunity_Attachment__c record
    private Database.SaveResult saveCustomAttachment() {
        Opportunity_Attachment__c obj = new Opportunity_Attachment__c();  
        obj.Opportunity_Attachment__c = opportunity.Id; 
        obj.comit__c = selectedComit;
        obj.subject__c = subject;
        obj.type__c = selectedType;
        // fill out custom obj fields
        return Database.insert(obj);
    }
    
    // create an actual Attachment record with the Opportunity_Attachment__c as parent
    private Database.SaveResult saveStandardAttachment(Id parentId) {
        Database.SaveResult result;
        
        Attachment attachment = new Attachment();
        attachment.body = this.fileBody;
        attachment.name = this.fileName;
        attachment.parentId = parentId;
        // insert the attahcment
        result = Database.insert(attachment);
        // reset the file for the view state
        fileBody = Blob.valueOf(' ');
        return result;
    }
    
    /**********************************************************************************
    * Upload process is:
    *  1. Insert new Opportunity_Attachment__c record
    *  2. Insert new Attachment with the new Oppportunity_Attachment__c record as parent
    *  3. Update the Opportunity_Attachment__c record with the ID of the new Attachment
    **********************************************************************************/
    public PageReference processUpload() {
        try {
            Database.SaveResult customAttachmentResult = saveCustomAttachment();
        
            if (customAttachmentResult == null || !customAttachmentResult.isSuccess()) {
                ApexPages.AddMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 
                  'Could not save attachment.'));
                return null;
            }
        
            Database.SaveResult attachmentResult = saveStandardAttachment(customAttachmentResult.getId());
        
            if (attachmentResult == null || !attachmentResult.isSuccess()) {
                ApexPages.AddMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 
                  'Could not save attachment.'));            
                return null;
            } else {
                // update the custom attachment record with some attachment info
                Opportunity_Attachment__c customAttachment = [select Id from Opportunity_Attachment__c where Id = :customAttachmentResult.getId()];
                customAttachment.name = this.fileName;
                customAttachment.Attachment__c = attachmentResult.getId();
                update customAttachment;
            }
        
        } catch (Exception e) {
            ApexPages.AddMessages(e);
            return null;
        }
        
        return new PageReference('/'+Opportunity.Id);
    }
    
    public PageReference back() {
        return new PageReference('/'+Opportunity.Id);
    }     

}