EmploymentHistoryTriggerHelper-27/06-2019

public class EmploymentHistoryTriggerHelper {
    public void contactEmploymentHistory(List<Employment_History__c> newRecords, map<Id,Employment_History__c>oldMap){
        system.debug('newRecords'+newRecords);
        system.debug('oldMap'+oldMap);

        Set<Id> contactIdSet = new Set<Id>();

        for(Employment_History__c tempRecords : newRecords ){
            contactIdSet.add(tempRecords.Contact_Name__c);
            system.debug('tempRecords :' + tempRecords);
            system.debug('contactIdSet :' + contactIdSet);

        }
        system.debug('emplIdSet :' + contactIdSet);
        List<Employment_History__c> idEmpl = [ SELECT Id,Company_Name__c,Contact_Name__c,End_Date__c,
                                                start_Date__c
                                                FROM Employment_History__c WHERE Contact_Name__c =: contactIdSet];
        system.debug('idEmpl :' + idEmpl);
        map<Id,list<Employment_History__c>> mapEmplList = new  map<Id,list<Employment_History__c>> ();
        system.debug('mapEmplList :' + mapEmplList);

        for( Employment_History__c temp : idEmpl){
            if(mapEmplList.containsKey(temp.Contact_Name__c)){
            mapEmplList.get(temp.Contact_Name__c).add(temp);
            system.debug('temp :'+ temp);
            }
            else{
                List<Employment_History__c> listEmpNew = new List<Employment_History__c>();
                listEmpNew.add(temp);
                mapEmplList.put(temp.Contact_Name__c,listEmpNew);
                system.debug('listEmpNew :'+ listEmpNew);
                system.debug('temp :'+temp);
            }
        system.debug('temp :'+temp);

        }
        system.debug('mapEmplList :' + mapEmplList);

        for(Employment_History__c tempEmp : newRecords){
            if(mapEmplList.containsKey(tempEmp.Contact_Name__c)){
            //sacar la lista de mi map que esta almacenado mapEmplList
            /* esta no se debe realizar ya que , solo puedo ingresar 100
            List<Employment_History__c> historyEmp = [SELECT Id, Cargo__c,Company_Name__c,Contact_Name__c,
                                                    End_Date__c,start_Date__c
                                                    FROM Employment_History__c
                                                    WHERE Contact_Name__c =: tempEmp.Contact_Name__c];
            system.debug('historyEmp :' + historyEmp);  */
            for (Employment_History__c newD : mapEmplList.get(tempEmp.Contact_Name__c)){// recorrer la lista historyEmp
                    if(tempEmp.start_Date__c < newD.End_Date__c && tempEmp.End_Date__c > newD.start_Date__c ){
                        tempEmp.addError('debe digitar una fecha que se encuentre dentro de un rango posible');
                        system.debug('newRecords :' + newRecords);
                        system.debug('newD.End_Date__c :'+newD.End_Date__c);
                        system.debug('newD.start_Date__c :'+newD.start_Date__c);
                        system.debug('tempEmp.start_Date__c :'+tempEmp.start_Date__c);
                        system.debug('tempEmp.start_Date__c :'+tempEmp.End_Date__c);
                    }
                    system.debug('newD :'+newD);
                }
                system.debug('tempEmp :'+tempEmp);
            }
        }
    }
}