/*
 * @description Trigger for OpportunityLineItem - this trigger has no test class 
 * @author Tristan Harley 
 * @date 9.MAR.2017
 */

trigger OpportunityLineItemsTrigger on OpportunityLineItem (before insert, before update)

{
    //create list of related object ids 
    Set<string> setOppId = new Set<String>();
    Set<string> setProdId = new Set<String>();
    
    //Populate the lists related object ids to the OpportunityLineItem 
    for( OpportunityLineItem opli : trigger.New )
    {
        setOppId.add(opli.opportunityid);
        setProdId.add(opli.product2id);
    }
    
    //Check if related object ids are populated
    if( setOppId.size() > 0 && setProdId.size() > 0)
    {
        //Map the related object from the lists 
        Map<Id,Opportunity> mapOpp = new  Map<Id,Opportunity> ([select id ,Licensed_Months__c from Opportunity where id in :setOppId ] );
        Map<Id,Product2> mapProd = new  Map<Id,Product2> ([select id ,e3_Product_License__c ,Partners_Share__c from Product2 where id in :setProdId] );
        
        //loop through the OpportunityLineItem that where trigged
        for( OpportunityLineItem opli : trigger.New )
        {
            //Set Defalts on the OpportunityLineItem that where trigged
            if(Trigger.isInsert)
            { 
                opli.Discount = 0;
            }
            
            //check if there is a opportunity related to the OpportunityLineItem
            if(Trigger.isInsert)
            {  
                if(mapOpp.containsKey(opli.opportunityid) )
                {
                    //Match the related record
                    Opportunity opp = mapOpp.get(opli.opportunityid);
                    
                    //Set fields on the OpportunityLineItem that where trigged 
                    System.debug('----------->'+opp.Licensed_Months__c); 
                    opli.Licensed_Months__c = opp.Licensed_Months__c;
                              
                }
            }
            
             //check if there is a product related to the OpportunityLineItem
            if(Trigger.isInsert)
            {
                if(mapProd.containsKey(opli.product2id) )
                {
                    //Match the related record
                    Product2 prod = mapProd.get(opli.product2id);
                    
                    //Set fields on the OpportunityLineItem that where trigged
                    System.debug('----------->'+prod.e3_Product_License__c);
                    opli.e3_Product_Licensing__c = prod.e3_Product_License__c;
                    
                    System.debug('----------->'+prod.Partners_Share__c );
                    opli.Partners_Share__c = prod.Partners_Share__c ;
                              
                }
            }
        } 
    }
 
}