Deserialization of JSON from APIs

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Fri May 12 2023 15:49:37 GMT+0000 (Coordinated Universal Time)

public static List<TestClass> getResponse() {
        //HttpResponse resp = 'callout';
        List<TestClass> lst = (List<TestClass>) JSON.deserialize(resp.getBody(),List<TestClass>.class);

  return lst;
    }

    public class TestClass {
        public String code;
    }

COPY

Attention to the way the response is being constructed because it will influence in your deserialize: An array of objects will need a cast of (List<sObject>) (ex: line 3) A simple JSON will use a simpler cast

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Apex

@gbritgs

Deserialization of JSON from APIs Test class for an array of objects as response Iterate list and inner list from inner SOQL Updating large numbers of records Manipulating Created Date in Salesforce Apex Test Classes

#apex #datetime

datetime converion of timezone in apex

Integer year = 2021, mon=02, day=12, hour=23, min=50;

Datetime dtGMT = Datetime.newInstanceGMT(year, mon, day, hour, min, 0);

String exTimezone = 'America/Los_Angeles';
String dateTimeForamat = 'yyyy-MM-dd HH:mm:ssz';
String schedulerFormat = 'mm:HH:dd:MM:yyyy';
String crnTemplate = '0 {0} {1} {2} {3} ? {4}';

String localFromatted = dtGMT.format(dateTimeForamat, UserInfo.getTimeZone().getId());
String exFormatted = dtGMT.format(dateTimeForamat, exTimezone);

Datetime localDTValueGMT = Datetime.valueOfGMT(localFromatted);
Datetime exDTVaueGMT = Datetime.valueOfGMT(exFormatted);

Integer minDiff = (Integer)(localDTValueGMT.getTime() - exDTVaueGMT.getTime())/60000;

Datetime scheduleDTGMT = dtGMT.addMinutes(minDiff + 15);

String schFormmated = scheduleDTGMT.formatGMT(schedulerFormat);

String cronExp = String.format(crnTemplate, schFormmated.split(':'));

System.debug('dtGMT : ' + JSON.serialize(dtGMT));
System.debug('localDTValueGMT : ' + JSON.serialize(localDTValueGMT));
System.debug('exDTVaueGMT : ' + JSON.serialize(exDTVaueGMT));
System.debug('scheduleDTGMT : ' + JSON.serialize(scheduleDTGMT));
System.debug('cronExp: ' + cronExp);

#apex #salesforce #trigger

Basic Apex Trigger Modifying Data

trigger AccountTrigger on Account (before insert) {

      if(Trigger.isInsert && Trigger.isBefore) {

        
        List<Account> myList = new List<Account>();

        for(Account acct : Trigger.new){
          if(acct.name == 'My Test Account'){
           acct.AnnualRevenue = 0;
           myList.add(acct);
          }
        }

        if(myList.size() >= 0){
          insert myList;
        }
      }   
}

#apex #salesforce

Inner and outterclass

public class OutterClass {
    Public String name = 'outterclass';
    
    public void setName(String name){
        this.name = name;
	}
    
    public class InnerClass{
       Public String name = 'innerclass';
    }

}

#apex #salesforce #soql

Custom Object Parent -> Child, Chile -> Parent Queries

//Parent to Child
SELECT Name, (SELECT name FROM Sessions__r) FROM Public_Event__c
//Child to Parent
SELECT id, name, Public_Event_Name__r.name, Public_Event_Name__r.id From Sessions__c

#apex #salesforce

Invocable Method for Flow Builder

public with sharing class TruncateId {
    public TruncateId() {

    }

    @InvocableMethod(label='Truncate ID' description='Transaction Id on Opportunity Object' category='Opportunity')
    public static void Truncate(List<Opportunity> OppIds){

        ID oppID = OppIds[0].id;

        Opportunity opp = [SELECT id, TranscationId__c, name FROM Opportunity WHERE id = :oppID];

      
        String last6 = opp.TranscationId__c.right(6);
        if(opp.TranscationId__c != null){    
            if(last6 != opp.Name.right(6)){
                opp.name = opp.name + last6;
                update  opp;
            }
        }
      

    }

    public class GetOppId{
        @InvocableVariable(required=true label='Opportunity Id')
        public ID oppID;

    }

}

#apex #salesforce #trigger

Apex Trigger Handler

public with sharing class ContactTriggerHandler {
    //
    // custom trigger handler setup to handler all triggers received on Contact object
    //
    public Boolean isTriggerExecuted = true;
    private boolean myIsExecuting = false;
    private integer BatchSize = 0;

    public ContactTriggerHandler(boolean isExecuting, integer size) {
        myIsExecuting = isExecuting;
        BatchSize = size;
    }

    //
    // On Before Insert
    //
    public void OnBeforeInsert(List<Contact> contactList){
        List<String> emailList = new  List<String>();
        
        for(Contact contact : contactList){
              emailList.add(contact.email);
        }
        
		List<Contact> newContactList = new List<Contact>();
        List<Lead> leadList = [SELECT id,firstname,lastname, email,LeadSource,phone, MobilePhone,OwnerId,HasOptedOutOfEmail FROM Lead WHERE email IN :emailList];
       
        for(Contact cItem : contactList){
            //Merge
            for(Lead lItem: leadList){
            	cItem.HasOptedOutOfEmail = lItem.HasOptedOutOfEmail;
            	cItem.OwnerId = lItem.OwnerId;
            	cItem.LeadSource = lItem.LeadSource;
            	cItem.MobilePhone = lItem.MobilePhone;
				cItem.phone = lItem.phone;
            	cItem.LeadSource = lItem.LeadSource;
           	 	newContactList.add(cItem);
            }

        }
                

    }

    //
    // On After Insert
    //
    public void OnAfterInsert(List<Contact>  contactList) {
       
        List<String> emailList = new  List<String>(); 
        for(Contact contact : contactList){
              emailList.add(contact.email);
        }
        
        List<Lead> leadList = [SELECT id,firstname,lastname, email,LeadSource,phone, MobilePhone,OwnerId,HasOptedOutOfEmail FROM Lead WHERE email IN :emailList];
        List<Task> taskTransferList = [SELECT Id, Who.Id, Who.Type FROM Task WHERE Who.Type = 'Lead'];
        List<Task> taskUpdate = new List<Task>();
        
        for(Contact cItem : contactList){
            //Move Task to Contact
            for(Lead lItem: leadList){
                if(taskTransferList.size() > 0){
                    for(Task taskItem :taskTransferList){
                        taskItem.whoid = cItem.id;
                        taskUpdate.add(taskItem);
                    }
                }

        
            }
            upsert taskUpdate;
            delete leadList;

        }
  
}

#apex #salesforce #trigger

Basic Trigger Example

trigger ContactTrigger on Contact (before insert) { //Context and Event
   
    if(Trigger.isInsert && Trigger.isBefore) { // Condition
       System.debug(Trigger.new);	// Action
    } 
  
}

#apex #salesforce #trigger

Apex Trigger Event Parameters

(before insert, after insert,before update, after update, before delete, after delete, after undelete)

#apex #salesforce #trigger #static #keywords

Static Keyword

public class TestClass {
    
    public Static Integer copies = 0;
    
    
    public TestClass(){
        this.add();
    }
    
       
    public void add(){
        copies++;
    } 
    
    public Static void subtract(){
        copies--;
        System.debug(copies);
    } 


}

#apex #salesforce #static #keywords #class

Apex Class

public class Human {
    public String Name;
    public Integer Age;
    
    public Human(){
      this.Age = 0;
    }
        
    public void setName(String Name){
        this.Name = Name;
    } 
    
    public void setAge(String Name){
        this.Age = Age;
    } 
    
    public void Run(){
        System.debug('Run');
    } 
    
    public void Jump(){
        System.debug('Jump');
    } 
    
    public void Climb(){
        System.debug('Climb');
    } 
}

#apex #salesforce #static #keywords #class

Execute Anonymous of Human Class

Human fred = new Human();

fred.setName('Fred');
fred.setAge(18);

fred.Run();
fred.Jump();
fred.Climb();

#apex #salesforce #static #keywords #class

There Can Be Only One

Map<String,String> theOne = new Map<String,String>();
Map<String,String> theTwo = new Map<String,String>();

theOne.put('task', 'Active');
theOne.put('task2', 'Inactive');
theOne.put('task3', 'Inactive');
theOne.put('task4', 'Inactive');

theTwo.put('task', 'Active');
theTwo.put('task2', 'Inactive');
theTwo.put('task3', 'Inactive');
theTwo.put('task4', 'Inactive');

void toggleActive(String taskName, Map<String,String> taskMap){
    taskMap.put(taskName, 'Active'); 
    for(String key : taskMap.keySet()){
        if(key != taskName){
       	 taskMap.put(key, 'Inactive');
        }
    }
}

toggleActive('task3', theTwo);

System.debug(theOne);
System.debug(theTwo);

#lwc #apex

Parse a JSON from Apex in Lightning Web Components

@wire(callout2Apex, {id: this.recordId})
function({ error, data }) {
  if (data) {
    this.arr = JSON.parse(data).keyFromJSON;
    this.loaded = true;
  } else if (error) {
    this.loaded = false;
  };
}

#apex #salesforce #static #keywords #class

Search Map for Value

public Boolean mapContains(Map<id,Object> searchObj, String searchKey, String searchVal){
	for (ID idKey : searchObj.keyset()) {
		System.debug(searchObj.get(idKey).get(searchKey));
		if( searchObj.get(idKey).get(searchKey) == searchVal) {
			System.debug('Match Found'+ searchObj.get(idKey));
			return true;
		}else{
			System.debug('No Match');

		}
	}
	return false;
}

#salesforce #static #keywords #class #apex #json

Mapping JSON to Salesforce Object

/* JSON EXAMPLE
{
    "messageId": "PfNxko2cChY94KsiU9cvUL",
    "eventId": "client.updated",    
    "eventSchemaVersion": 1.0,
    "eventInstanceOriginationDateTime": "2022-03-07T00:37:23Z",
    "eventData": {
        "siteId": 123,
        "saleId": 96,
        "purchasingClientId": "100001049",
        "payments": [
            {
                "paymentId": 103,
                "paymentMethodId": 14,
                "paymentMethodName": "Cash",
                "paymentAmountPaid": 300,
                "paymentLastFour": null,
                "paymentNotes": null
            }
        ],
        "saleDateTime": "2018-05-03T16:52:23Z",
        "soldById": 10,
        "soldByName": "Jane Doe",
        "locationId": 1,
        "totalAmountPaid": 150,
        "items": [
            {
                "itemId": 78,
                "type": "Service",
                "name": "10 Punch Pass",
                "amountPaid": 150,
                "amountDiscounted": 0,
                "quantity": 1,
                "recipientClientId": "100000009",
                "paymentReferenceId": 44
            },
            {
                "itemId": 79,
                "type": "Service",
                "name": "10 Kick Pass",
                "amountPaid": 150,
                "amountDiscounted": 0,
                "quantity": 1,
                "recipientClientId": "100000009",
                "paymentReferenceId": 44
            }
        ]
    }
}*/


public class Sale {
public String messageId;
public String eventId;
public Decimal eventSchemaVersion;
public String eventInstanceOriginationDateTime;
public SaleEventData eventData;
}


public class SaleEventData {
public Integer siteId;
public Integer saleId;
public String purchasingClientId;
public List<PaymentDetails> payments;
public String saleDateTime;
public String soldById;
public String soldByName;
public Integer locationId;
public Integer totalAmountPaid;
public List<SaleItemDetails> items;
}

public class PaymentDetails {
public Integer paymentId;
public Integer paymentMethodId;
public String paymentMethodName;
public String paymentAmountPaid;
public Integer paymentLastFour;
public String paymentNotes;
}

public class SaleItemDetails {
public Integer itemId;
public String type;
public String name;
public Integer amountPaid;
public Integer amountDiscounted;
public Integer quantity;
public String recipientClientId;
public Integer paymentReferenceId;
}

Sale mbSale = (Sale)JSON.deserialize(jsonInput, Sale.class);

Deserialization of JSON from APIs

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