TG container_type refactor

code/game/objects/structures/janicart.dm

@@ -7,7 +7,7 @@
 	icon_state = "cart"
 	anchored = 0
 	density = 1
-	flags = OPENCONTAINER
+	container_type = OPENCONTAINER
 	//copypaste sorry
 	var/amount_per_transfer_from_this = 5 //shit I dunno, adding this so syringes stop runtime erroring. --NeoFite
 	var/obj/item/storage/bag/trash/mybag	= null

code/game/objects/structures/mop_bucket.dm

@@ -4,7 +4,7 @@
 	icon = 'icons/obj/janitor.dmi'
 	icon_state = "mopbucket"
 	density = 1
-	flags = OPENCONTAINER
+	container_type = OPENCONTAINER
 	var/amount_per_transfer_from_this = 5 //shit I dunno, adding this so syringes stop runtime erroring. --NeoFite
 
 /obj/structure/mopbucket/New()

code/game/objects/structures/watercloset.dm

@@ -115,8 +115,8 @@
 		if(!open)
 			return
 		var/obj/item/reagent_containers/RG = I
-		if(RG.is_open_container())
-			if(RG.reagents.total_volume >= RG.volume)
+		if(RG.is_refillable())
+			if(RG.reagents.holder_full())
 				to_chat(user, "<span class='warning'>[RG] is full.</span>")
 			else
 				RG.reagents.add_reagent("toiletwater", min(RG.volume - RG.reagents.total_volume, RG.amount_per_transfer_from_this))