feat: add save as site logo button to logo generator

src/actions/save-logo.ts

@@ -0,0 +1,39 @@
+"use server";
+
+import { revalidatePath } from "next/cache";
+import { writeFile } from "fs/promises";
+import path from "path";
+import { prisma } from "@/lib/prisma";
+import { siteSettings } from "@/lib/services/site-settings";
+
+const MEDIA_DIR = "public/assets/images/media";
+
+export async function saveLogo(formData: FormData): Promise<{ success: boolean; url?: string; error?: string }> {
+  try {
+    const file = formData.get("file") as File | null;
+    if (!file) return { success: false, error: "No file provided" };
+
+    const ext = "png";
+    const filename = `logo-${Date.now()}-${Math.random().toString(36).slice(2, 8)}.${ext}`;
+    const dir = path.join(process.cwd(), MEDIA_DIR);
+    const filePath = path.join(dir, filename);
+
+    const buffer = Buffer.from(await file.arrayBuffer());
+    await writeFile(filePath, buffer);
+
+    const url = `/api/media/${filename}`;
+
+    await prisma.websiteSetting.upsert({
+      where: { key: "cms_logo" },
+      update: { value: url },
+      create: { key: "cms_logo", value: url, comment: "Logo (generator)" },
+    });
+
+    siteSettings.reload();
+    revalidatePath("/", "layout");
+
+    return { success: true, url };
+  } catch (e) {
+    return { success: false, error: e instanceof Error ? e.message : "Unknown error" };
+  }
+}