feat: todo mock api

Author: ori-kim

Diff for: src/mocks/postHandler.ts

@@ -1,7 +1,70 @@
 import { http, HttpResponse } from "msw";
 
+interface Todo {
+  id: number;
+  title: string;
+  content: string;
+  isDone: boolean;
+}
+
+const todos: Todo[] = [];
+
 export const handlers = [
   http.get("/api", () => {
     return HttpResponse.json({ message: "hello" });
   }),
+
+  http.get("/api/todos", () => {
+    return HttpResponse.json(todos);
+  }),
+
+  http.post("/api/todos", (req) => {
+    const body = req.request.body as Partial<Todo>;
+
+    if (!body) return HttpResponse.json({ message: "body is required" }, { status: 400 });
+
+    const { title, content } = body;
+
+    if (title === undefined || content === undefined) {
+      return HttpResponse.json({ message: "title, content are required" }, { status: 400 });
+    }
+
+    const newTodo: Todo = {
+      id: todos.length + 1,
+      title,
+      content,
+      isDone: false,
+    };
+
+    todos.push(newTodo);
+
+    return HttpResponse.json({ message: "success", post: newTodo });
+  }),
+
+  http.put("/api/todos/:id", (req) => {
+    const { id } = req.params;
+    const body = req.request.body as Partial<Todo>;
+
+    if (!body) return HttpResponse.json({ message: "body is required" }, { status: 400 });
+
+    const todo = todos.find((todo) => todo.id === Number(id));
+
+    if (!todo) return HttpResponse.json({ message: "todo not found" }, { status: 404 });
+
+    Object.assign(todo, body);
+
+    return HttpResponse.json({ message: "success", todo });
+  }),
+
+  http.delete("/api/todos/:id", (req) => {
+    const { id } = req.params;
+
+    const index = todos.findIndex((todo) => todo.id === Number(id));
+
+    if (index === -1) return HttpResponse.json({ message: "todo not found" }, { status: 404 });
+
+    todos.splice(index, 1);
+
+    return HttpResponse.json({ message: "success" });
+  }),
 ];