IF(Trigger.isBefore && Trigger.isInsert)
{ 
	Set<String> ActivityParts = new Set<String>();
	Set<ID> ActivityGPLID = new Set<ID>();
	Map<String, RecordType> rtMap = new Map<String, RecordType>();
	Id rt;
	Map<String, Contact> Contacts = new Map<String, Contact>();
	Set<String> TagEmails = new Set<String>();
	Interest_Tag__c NewActTag;
	Map<String, Part__c> TagParts = new Map<String, Part__c>();
	List<Interest_Tag__c> TagsToCreate = new List<Interest_Tag__c>();
	Map<String, Set<Id>> mapActPartToPHId = new Map<String, Set<Id>>();
	Map<Id, Product_Hierarchy__c> mapPH;
	
	FOR(RecordType rt1 : [SELECT Name FROM RecordType WHERE SobjectType ='Interest_Tag__c'])
	{
		rtMap.put(rt1.Name, rt1);
	}
	
	FOR(Interest_Tag__c it : Trigger.New)
	{
		/* Here I have changed the condition from it.Record_Type_Name__c == 'Raw Data' to it.RecordtypeId == rtMap.get('Raw Data').id thinking that it is one of the record type. Change to old line if you feel this isn't going to work*/
		IF(it.RecordtypeId == rtMap.get('Raw Data').id  && !it.Completely_Converted__c)
		{
			if(String.isNotBlank(it.Part_Number_Text__c))
				ActivityParts.add(it.Part_Number_Text__c);
			if(String.isNotBlank(it.Email_from_Activity_or_Contact_Role__c))
				TagEmails.add(it.Email_from_Activity_or_Contact_Role__c);   
             it.Completely_Converted__c = true; 
		}
	}
	
	/* Product_Hierarchy__c != NULL condition not needed if Product_Hierarchy__c is Master-Detail*/
	FOR(Part__c p1 :[SELECT Product_Hierarchy__c, Name FROM Part__c WHERE Part__c.Name IN :ActivityParts AND Product_Hierarchy__c != NULL] )
	{
		if(mapActPartToPHId.containsKey(p1.Part__c.Name))
		{
			mapActPartToPHId.get(p1.Part__c.Name).add(p1.Product_Hierarchy__c);
		}
		else
		{
			mapActPartToPHId.put(p1.Part__c.Name, new Set<Id>{p1.Product_Hierarchy__c});
		}
		
		ActivityGPLID.add(p1.Product_Hierarchy__c); 
		Tagparts.put(p1.Name, p1);
	}
	
	mapPH =  = new  Map<Id, Product_Hierarchy__c>([SELECT ID, Name FROM Product_Hierarchy__c WHERE ID IN : ActivityGPLID]); 
	
	FOR(Contact con1 :[SELECT email FROM Contact WHERE Email in :TagEmails])
	{
		Contacts.put(con1.Email, con1);
	}
	
	FOR(Interest_Tag__c it : Trigger.New)
	{
		rt = NULL;
		if(mapActPartToPHId.containsKey(it.Part_Number_Text__c))
		{
			IF(it.Activity_Rating_Desc__c=='3D PDF')
			{
				rt = rtMap.get('Interest Tag Final 3D PDF').id;
			}ELSEIF(it.Activity_Rating_Desc__c=='Sample request')
			{
				rt = rtMap.get('Interest Tag Final Sample Request').id;    
			}ELSEIF(it.Activity_Rating_Desc__c=='CAD Model')
			{
				rt = rtMap.get('Interest Tag Final CAD').id;   
			} 
			For(Id idPH :mapActPartToPHId.get(it.Part_Number_Text__c))
			{
				NewActTag = new Interest_Tag__c();
				NewActTag.RecordTypeId= rt;
				NewActTag.Area_of_Interest__c = mapPH.get(idPH).Name;
				NewActTag.Contact__c = Contacts.get(it.Email_from_Activity_or_Contact_Role__c).id;
				NewActTag.Part__c = Tagparts.get(it.Part_Number_Text__c).id;
				NewActTag.GPL__c = idPH;
				NewActTag.Completely_Converted__c= false;
				TagsToCreate.add(NewActTag);
			}
            
		}
	}	
	
	if(!TagsToCreate.isEmpty())
		Insert TagsToCreate;
	System.debug(TagsToCreate);
}