Car Auction API Chatter Action Controller

CarAuctionAPIChatterActionController.cls

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Created By: 	Lee Hildebrand (http://leehildebrand.name)
//Created Date: 12/23/14
//Purpose: 		Use Lead data to connect to ARD web services and retrieve a "quote" 
//				    then create either as "scrap" or "non-scrap assignment
//Revised: 	  
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public with sharing class QuoteController {
	private final Lead lead;
	public String selectedService {get; set;}
	public boolean quote_just_created {get; set;}
	
	public QuoteController (ApexPages.StandardController stdController){
		lead = (Lead)stdController.getRecord();
	}
	
	public void Get_Quote(){
		if([SELECT COUNT() FROM ARD_Quote__c WHERE Lead__c = :lead.Id]==0){
			ARD_Quote__c quote = new ARD_Quote__c(Lead__c=lead.Id);
			API__C api = API__c.getValues('VPSQuote');
			HttpRequest req = new HttpRequest();
			//-------------------------------------------HTTP Connection Settings----------------------------------------//
			req.setMethod('GET');
			req.setTimeout(120000);
	        req.setEndpoint(api.Endpoint__c+'?VendorKey='+api.Vendor_Key__c+'&ZIPCode='+lead.Pickup_Zip__c+'&Make='+lead.Make__c+'&Model='+lead.Model__c+'&Year='+lead.Year__c);
			String response = '';
			try {
				//capture response
		        response = new Http().send(req).getBody();
			} catch(System.Exception e) {
				//if no connection, display error
				System.debug('Callout error: '+ e);
				ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Error,'There was an error reaching the VPS quote web service: '+e));
			}
			finally{
				try{
					//process response
					System.debug('ARD said: '+ response);
					JSONParser parser = JSON.createParser(response);
					while (parser.nextToken() != null) {
						if ((parser.getCurrentToken() == JSONToken.FIELD_NAME)){
							String fieldName = parser.getText();
							parser.nextToken();
							if(fieldName == 'ARDBidID')
								quote.Name = parser.getText();
					   		if(fieldName == 'Quote')
								quote.Amount__c = Decimal.ValueOf(parser.getText());
						}
					}
				} catch(System.Exception e) {
					System.debug('JSON Parse error: '+ e);
					ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Error,'Wait a minute! VPS says: "'+response+'". Check to make sure your lead has the right data.'));
				}
				if(quote.Amount__c!=null){
					lead.ARD_Quote__c = quote.Name;
					lead.ARD_Price__c = quote.Amount__c;
					update lead;
					insert quote;
					quote_just_created = true;
					ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Confirm,'A quote for $'+quote.Amount__c+' was created with BidID: '+quote.Name));					
				}
			}
		}
	}

	public void Assign(){
		ARD_Quote__c quote = [SELECT Name,Amount__c FROM ARD_Quote__c WHERE Lead__c = :lead.Id LIMIT 1];
		API__C api = API__c.getValues(selectedService);
		HttpRequest req = new HttpRequest();
		//-------------------------------------------HTTP Connection Settings----------------------------------------//
		req.setMethod('GET');
		req.setTimeout(120000);
		String endpoint = api.Endpoint__c+'?VendorKey='+api.Vendor_Key__c+'&Debug='+!URL.getSalesforceBaseUrl().getHost().equalsignorecase('carbidnow.my.salesforce.com')+assignment(lead,api.Name);
		if(selectedService=='ARD_Assignment__c'){
			endpoint = endpoint+'&ARDBidID='+quote.Name;
		}
		req.setEndpoint(endpoint);
		try {
			//capture response
	        sObject assignment = Schema.getGlobalDescribe().get(selectedService).newSObject();
	        assignment.put('name' , new Http().send(req).getBody());
	        if(String.ValueOf(assignment.get('name')).isNumericSpace()){
	        	insert assignment;
	        	quote.put(selectedService,assignment.id);
	        	update quote;
	        	ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Info,'Claim #'+assignment.get('name')+' created.'));
	        }else{
	        	ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Info,'ARD said: '+assignment.get('name')));
	        }
	        
		} catch(System.Exception e) {
			//if no connection, display error
			System.debug('********** Web Service Error: '+ e);
			ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Error,'There was an error with the web service: '+e));
		}
	}
	
	//use values in lead and "Assignment Service Lead Field Mapping" Custom Setting record to create a string that can build an assignment
	public String assignment(Lead lead,String service){		
		try {
			String assignment = '';
			//iterate collection of Assignment_Service_Lead_Field_Mapping__c fields
		    for(Schema.SObjectField field : Schema.getGlobalDescribe().get('Assignment_Service_Lead_Field_Mapping__c').getDescribe().fields.getMap().values())  
		    {
		    	//ensure no required field is blank
		    	if (!field.getDescribe().isNillable() && field.getDescribe().isCustom() && String.isBlank(String.ValueOf(lead.get(field.getDescribe().getLabel())))) 
		    		throw new QuoteException('The following required field was blank: '+field.getDescribe().getLabel());
		    	//if the lead has a value, append it to the GET string 
		    	else if(field.getDescribe().isCustom() && !String.isBlank(String.ValueOf(lead.get(field.getDescribe().getLabel())))){
					//if the field is boolean, replace true / false with yes / no	  		
					if(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().getType().Name() == Schema.DisplayType.Boolean.Name()){
						//since the service takes HasNoLiens, we need the opposite of what was in Lien__c
						if(field.getDescribe().getLabel()=='Lien__c') lead.put(field.getDescribe().getLabel(),!Boolean.ValueOf(String.ValueOf(lead.get(field.getDescribe().getLabel()))));
						if(Boolean.ValueOf(lead.get(field.getDescribe().getLabel())))
							assignment = assignment+'&'+Assignment_Service_Lead_Field_Mapping__c.getValues(service).get(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().isCustom() ? field.getDescribe().getLabel() : field.getDescribe().getLabel()+'__c')+'=YES';
						else
							assignment = assignment+'&'+Assignment_Service_Lead_Field_Mapping__c.getValues(service).get(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().isCustom() ? field.getDescribe().getLabel() : field.getDescribe().getLabel()+'__c')+'=NO';
					//RunsAndDrives can take yes or no, so Mechanical_Status__c picklist needs converted
					}else if(field.getDescribe().getLabel()=='Mechanical_Status__c'){
						if(String.ValueOf(lead.get(field.getDescribe().getLabel())).equalsIgnoreCase('Runs / Drives'))
							assignment = assignment+'&'+Assignment_Service_Lead_Field_Mapping__c.getValues(service).get(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().isCustom() ? field.getDescribe().getLabel() : field.getDescribe().getLabel()+'__c')+'='+'Yes';
						else
							assignment = assignment+'&'+Assignment_Service_Lead_Field_Mapping__c.getValues(service).get(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().isCustom() ? field.getDescribe().getLabel() : field.getDescribe().getLabel()+'__c')+'='+'No';
					}else
						assignment = assignment+'&'+Assignment_Service_Lead_Field_Mapping__c.getValues(service).get(Lead.getSObjectType().getDescribe().fields.getMap().get(field.getDescribe().getLabel()).getDescribe().isCustom() ? field.getDescribe().getLabel() : field.getDescribe().getLabel()+'__c')+'='+String.ValueOf(lead.get(field.getDescribe().getLabel()));
		    	}
		    }
		    return assignment;
		} catch(System.Exception e) {
			system.debug('*********** GET string processing error: '+e);			
			ApexPages.addMessage(new ApexPages.message(ApexPages.severity.Error,'Error creating request to send: '+String.ValueOf(e)));
			return null;
		}
	}	
}