Add api and action for submitting comment

apps/blog/app/[category]/[...slug]/action.ts

@@ -0,0 +1,52 @@
+"use server";
+
+import { headers } from "next/headers";
+import { postComment } from "#api";
+import { revalidatePath, revalidateTag } from "next/cache";
+
+interface State {
+    message: string;
+}
+
+export async function submitComment(_: State, formData: FormData): Promise<State> {
+    const headersList = headers();
+    const fullUrl = headersList.get("referer") || "";
+    const body = formData.get("body");
+
+    if (!fullUrl) {
+        return {
+            message: "잘못된 경로입니다.",
+        };
+    }
+
+    if (!body || typeof body !== "string" || body.trim() === "") {
+        return {
+            message: "내용을 입력해 주세요.",
+        };
+    }
+
+    const korean = /[\u3131-\uD79D]/giu;
+
+    if (!korean.test(body)) {
+        return {
+            message: "한글을 입력해 주세요.",
+        };
+    }
+
+    const data = {
+        name: (formData.get("name") as string) || "익명",
+        postSlug: decodeURIComponent(new URL(fullUrl).pathname),
+        password: formData.get("password") as string,
+        email: formData.get("email") as string,
+        url: formData.get("url") as string,
+        body,
+        parentCommentId: formData.get("parentCommentId") as string,
+    };
+
+    await postComment(data);
+    revalidateTag(data.postSlug);
+
+    return {
+        message: "",
+    };
+}

apps/blog/src/api/comment/api.ts

@@ -1,6 +1,17 @@
 import { request } from "#api/instance";
-import { CommentListResponse } from "./types";
+import { Comment, CommentListResponse } from "./types";
 
 export async function getComments(slug: string) {
-    return request<CommentListResponse>(`/comment/list?postSlug=${encodeURIComponent(slug)}`);
+    return request<CommentListResponse>(`/comment/list?postSlug=${encodeURIComponent(slug)}`, {
+        next: {
+            tags: [slug],
+        },
+    });
+}
+
+export async function postComment(data: Omit<Comment, "_id" | "createdAt" | "byPostAuthor">) {
+    return request("/comment/create", {
+        method: "POST",
+        body: JSON.stringify(data),
+    });
 }