Fix

lib/chore_tracker/accounts.ex

@@ -18,10 +18,6 @@ defmodule ChoreTracker.Accounts do
     Repo.all(from user in User, where: user.id in ^ids)
   end
 
-  def get_user!(id) do
-    Repo.get!(User, id)
-  end
-
   ## Database getters
 
   @doc """

lib/chore_tracker/chores.ex

@@ -141,9 +141,9 @@ defmodule ChoreTracker.Chores do
   """
   def get_chore_log!(id), do: Repo.get!(ChoreLog, id)
 
-  def get_last_log_for_assignee(%User{} = user) do
+  def get_last_chore_log_for_assignee(%Chore{} = chore, %User{} = user) do
     from(log in ChoreLog,
-      where: log.user_id == ^user.id,
+      where: log.chore_id == ^chore.id and log.user_id == ^user.id,
       order_by: [desc: :inserted_at],
       limit: 1
     )
@@ -327,7 +327,7 @@ defmodule ChoreTracker.Chores do
 
   def next_chore_assignee(%Chore{} = chore) do
     chore.assignees
-    |> Enum.map(&{&1, get_last_log_for_assignee(&1)})
+    |> Enum.map(&{&1, get_last_chore_log_for_assignee(chore, &1)})
     |> Enum.sort_by(
       fn {_assignee, log} ->
         case log do