Stage 1: Course/Module/Lesson CRUD admin UI with TipTap editor

2026-04-07 11:36:27 +05:00
parent 9d82b73e58
commit d356dddc96
30 changed files with 2090 additions and 41 deletions
@@ -0,0 +1,151 @@
+"use client";
+
+import { useState, useTransition } from "react";
+import {
+  DndContext,
+  closestCenter,
+  PointerSensor,
+  useSensor,
+  useSensors,
+  DragEndEvent,
+} from "@dnd-kit/core";
+import {
+  SortableContext,
+  verticalListSortingStrategy,
+  useSortable,
+  arrayMove,
+} from "@dnd-kit/sortable";
+import { CSS } from "@dnd-kit/utilities";
+import Link from "next/link";
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { createLesson, deleteLesson, updateLesson, reorderLessons } from "@/app/admin/courses/[courseId]/modules/[moduleId]/actions";
+
+interface Lesson {
+  id: string;
+  title: string;
+  order: number;
+  published: boolean;
+}
+
+function SortableLesson({
+  lesson,
+  courseId,
+  moduleId,
+}: {
+  lesson: Lesson;
+  courseId: string;
+  moduleId: string;
+}) {
+  const [editing, setEditing] = useState(false);
+  const [pending, startTransition] = useTransition();
+  const { attributes, listeners, setNodeRef, transform, transition, isDragging } =
+    useSortable({ id: lesson.id });
+
+  const style = {
+    transform: CSS.Transform.toString(transform),
+    transition,
+    opacity: isDragging ? 0.5 : 1,
+  };
+
+  function handleUpdate(e: React.FormEvent<HTMLFormElement>) {
+    e.preventDefault();
+    const fd = new FormData(e.currentTarget);
+    startTransition(() => updateLesson(lesson.id, courseId, moduleId, fd));
+    setEditing(false);
+  }
+
+  function handleDelete() {
+    if (!confirm(`Удалить урок "${lesson.title}"?`)) return;
+    startTransition(() => deleteLesson(lesson.id, courseId, moduleId));
+  }
+
+  return (
+    <div ref={setNodeRef} style={style} className="flex items-center gap-3 bg-slate-50 border border-slate-200 rounded-xl px-4 py-3">
+      <button type="button" {...attributes} {...listeners} className="text-slate-300 hover:text-slate-500 cursor-grab active:cursor-grabbing">
+        ⋮⋮
+      </button>
+      {editing ? (
+        <form onSubmit={handleUpdate} className="flex items-center gap-2 flex-1">
+          <Input name="title" defaultValue={lesson.title} autoFocus className="h-8 text-sm" />
+          <Button type="submit" size="sm" disabled={pending}>Сохранить</Button>
+          <Button type="button" variant="ghost" size="sm" onClick={() => setEditing(false)}>Отмена</Button>
+        </form>
+      ) : (
+        <>
+          <span className="flex-1 font-medium text-slate-700">{lesson.title}</span>
+          <Badge variant={lesson.published ? "default" : "secondary"} className="text-xs">
+            {lesson.published ? "Опубликован" : "Черновик"}
+          </Badge>
+          <Link
+            href={`/admin/courses/${courseId}/modules/${moduleId}/lessons/${lesson.id}`}
+            className="text-xs text-amber-600 hover:underline"
+          >
+            Редактировать
+          </Link>
+          <button type="button" onClick={() => setEditing(true)} className="text-xs text-slate-500 hover:text-slate-700">
+            Переименовать
+          </button>
+          <button type="button" onClick={handleDelete} disabled={pending} className="text-xs text-red-400 hover:text-red-600">
+            Удалить
+          </button>
+        </>
+      )}
+    </div>
+  );
+}
+
+export function SortableLessons({
+  courseId,
+  moduleId,
+  lessons,
+}: {
+  courseId: string;
+  moduleId: string;
+  lessons: Lesson[];
+}) {
+  const [items, setItems] = useState(lessons);
+  const [, startTransition] = useTransition();
+
+  const sensors = useSensors(useSensor(PointerSensor));
+
+  function handleDragEnd(event: DragEndEvent) {
+    const { active, over } = event;
+    if (!over || active.id === over.id) return;
+
+    const oldIndex = items.findIndex((l) => l.id === active.id);
+    const newIndex = items.findIndex((l) => l.id === over.id);
+    const newItems = arrayMove(items, oldIndex, newIndex);
+    setItems(newItems);
+    startTransition(() => reorderLessons(moduleId, courseId, newItems.map((l) => l.id)));
+  }
+
+  function handleCreate(e: React.FormEvent<HTMLFormElement>) {
+    e.preventDefault();
+    const fd = new FormData(e.currentTarget);
+    e.currentTarget.reset();
+    startTransition(() => createLesson(moduleId, courseId, fd));
+  }
+
+  return (
+    <div className="space-y-3">
+      <DndContext sensors={sensors} collisionDetection={closestCenter} onDragEnd={handleDragEnd}>
+        <SortableContext items={items.map((l) => l.id)} strategy={verticalListSortingStrategy}>
+          {items.map((lesson) => (
+            <SortableLesson key={lesson.id} lesson={lesson} courseId={courseId} moduleId={moduleId} />
+          ))}
+        </SortableContext>
+      </DndContext>
+
+      {items.length === 0 && (
+        <p className="text-sm text-slate-400 py-2">Уроков пока нет. Добавьте первый.</p>
+      )}
+
+      <form onSubmit={handleCreate} className="flex gap-2 pt-2">
+        <Input name="title" placeholder="Название нового урока" required className="max-w-xs" />
+        <Button type="submit">+ Урок</Button>
+      </form>
+    </div>
+  );
+}