pushing state down with contexts

nextjs/src/app/course/[courseName]/context/CourseContextProvider.tsx

@@ -1,6 +1,7 @@
 "use client";
 import { ReactNode, useCallback, useState } from "react";
-import { CourseContext, DraggableItem } from "./courseContext";
+import { CourseContext } from "./courseContext";
+import { DraggableItem } from "./DraggingContext";
 import { LocalQuiz } from "@/models/local/quiz/localQuiz";
 import {
   dateToMarkdownString,
@@ -16,60 +17,10 @@ export default function CourseContextProvider({
   children: ReactNode;
   localCourseName: string;
 }) {
-  const updateQuizMutation = useUpdateQuizMutation(localCourseName);
-  const { data: settings } = useLocalCourseSettingsQuery(localCourseName);
-  const [itemBeingDragged, setItemBeingDragged] = useState<
-    DraggableItem | undefined
-  >();
-
-  const itemDrop = useCallback(
-    (day: Date | undefined) => {
-      if (itemBeingDragged && day) {
-        day.setHours(settings.defaultDueTime.hour);
-        day.setHours(settings.defaultDueTime.minute);
-        if (itemBeingDragged.type === "quiz") {
-          const previousQuiz = itemBeingDragged.item as LocalQuiz;
-
-          const quiz: LocalQuiz = {
-            ...previousQuiz,
-            dueAt: dateToMarkdownString(day),
-            lockAt:
-              previousQuiz.lockAt &&
-              (getDateFromStringOrThrow(previousQuiz.lockAt, "lockAt date") >
-              day
-                ? previousQuiz.lockAt
-                : dateToMarkdownString(day)),
-          };
-          updateQuizMutation.mutate({
-            quiz: quiz,
-            quizName: quiz.name,
-            moduleName: itemBeingDragged.sourceModuleName,
-          });
-        }
-      }
-      setItemBeingDragged(undefined);
-    },
-    [
-      itemBeingDragged,
-      settings.defaultDueTime.hour,
-      settings.defaultDueTime.minute,
-      updateQuizMutation,
-    ]
-  );
-
-  const startItemDrag = useCallback((d: DraggableItem) => {
-    setItemBeingDragged(d);
-  }, []);
-  const endItemDrag = useCallback(() => {
-    setItemBeingDragged(undefined);
-  }, []);
   return (
     <CourseContext.Provider
       value={{
         courseName: localCourseName,
-        startItemDrag: startItemDrag,
-        endItemDrag: endItemDrag,
-        itemDrop,
       }}
     >
       {children}