Week 8 Homework

gistfile1.txt

AccountTriggerHandler.handleAfterInsert
  
  public static void handleAfterInsert(List<Account> newAccounts){
        
        Id runningUserId = UserInfo.getUserId();
		//JW: Only need to do this query once outside of the loop.
		User u = [SELECT Id, Email FROM User WHERE Id = :runningUserId];
        
        //JW:Create an empty case list to store the case information
        
        List<Case> casesToInsert = new List<Case>();
		
        //Homework - bulkify this code
        for (Account a : newAccounts) {
            Case c = new Case();
            c.Status = 'New';
            c.Origin = 'New Account'; //Make sure you've added this as a picklist value for this field
            c.Subject = 'Send Welcome Package';
            c.AccountId = a.Id;
            c.Description = 'Please follow up with this new Account and send them a Welcome Package.';
			c.Staff_Email_Address__c = u.Email;
            //JW:Update this so each time it loops it adds the record into the list collection variable
            casesToInsert.add(c);
          }  
			//JW: The insert action is always outside the loop so its only 1 action
 			insert casesToInsert;

    }

OpportunityTrigger

trigger OpportunityTrigger on Opportunity (after insert) {
    OpportunityTriggerHandler.handleAfterInsert(Trigger.new);
}


OpportunityTriggerHandler 
public class OpportunityTriggerHandler {

    public static void handleAfterInsert(List<Opportunity> newOpps){
    //When an Opportunity is inserted, check and see if this account has a rating of 'Hot'.  If not, make it 'Hot'
    //since we consider any account with an open opportunity as hot
  
    //Get a map of account records that have opportunities in this trigger
    //In order to do this, we first need a set of the Account Ids// 1) Collect Account Ids from the inserted Opportunities
	Set<Id> accountIds = new Set<Id>();
    for (Opportunity opp : newOpps) {
    accountIds.add(opp.AccountId);

}
   

	//Now we can get the map
    Map<Id, Account> accountMap = new Map<Id, Account>([SELECT Id, Rating FROM Account WHERE Id IN :accountIds]);

    //Finally, a set to hold any accounts we're updating (we use a set, because it's possible to have multiple opportunities being
    //inserted for an account and they would then get added to the list twice.  We'll convert this set back to a list before doing DML )
    Set<Account> updatedAccountsSet = new Set<Account>();

    //ok, now we loop through and update as needed
    for (Opportunity opp : NewOpps) {
        //get the account record for this opportunity
        Account acct = accountMap.get(opp.AccountId);
        if (acct.Rating != 'Hot') {
            acct.Rating = 'Hot';
            updatedAccountsSet.add(acct);
        }
    }

    if (updatedAccountsSet.size() > 0) {
        //convert the set to a list for DML
        List<Account> updatedAccounts = new List<Account>();
        //Add all the accounts from the set into our list
        updatedAccounts.addAll(updatedAccountsSet);
        update updatedAccounts;

		}
    }
}