feat: implement template storage and download functionality with Docker support

src/app/api/templates/download/[filename]/route.js

@@ -0,0 +1,61 @@
+import { NextRequest, NextResponse } from "next/server";
+import { readFile } from "fs/promises";
+import { existsSync } from "fs";
+import path from "path";
+import db from "@/lib/db";
+
+export async function GET(request, { params }) {
+	try {
+		const { filename } = params;
+
+		if (!filename) {
+			return NextResponse.json(
+				{ error: "Filename is required" },
+				{ status: 400 }
+			);
+		}
+
+		// Get template info from database
+		const template = db.prepare(`
+			SELECT * FROM docx_templates WHERE stored_filename = ? AND is_active = 1
+		`).get(filename);
+
+		if (!template) {
+			return NextResponse.json(
+				{ error: "Template not found" },
+				{ status: 404 }
+			);
+		}
+
+		// Check if file exists
+		const filePath = path.join(process.cwd(), "templates", filename);
+		if (!existsSync(filePath)) {
+			return NextResponse.json(
+				{ error: "Template file not found" },
+				{ status: 404 }
+			);
+		}
+
+		// Read file
+		const fileBuffer = await readFile(filePath);
+
+		// Return file with proper headers
+		const response = new NextResponse(fileBuffer, {
+			status: 200,
+			headers: {
+				"Content-Type": template.mime_type || "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+				"Content-Disposition": `attachment; filename="${template.original_filename}"`,
+				"Content-Length": fileBuffer.length.toString(),
+			},
+		});
+
+		return response;
+
+	} catch (error) {
+		console.error("Template download error:", error);
+		return NextResponse.json(
+			{ error: "Failed to download template" },
+			{ status: 500 }
+		);
+	}
+}

src/app/api/templates/route.js

@@ -4,7 +4,7 @@ import { existsSync } from "fs";
 import path from "path";
 import db from "@/lib/db";
 
-const TEMPLATES_DIR = path.join(process.cwd(), "public", "templates");
+const TEMPLATES_DIR = path.join(process.cwd(), "templates");
 const MAX_FILE_SIZE = 10 * 1024 * 1024; // 10MB
 const ALLOWED_TYPES = [
 	"application/vnd.openxmlformats-officedocument.wordprocessingml.document"
@@ -49,7 +49,7 @@ export async function POST(request) {
 		const sanitizedOriginalName = file.name.replace(/[^a-zA-Z0-9.-]/g, "_");
 		const storedFilename = `${timestamp}_${sanitizedOriginalName}`;
 		const filePath = path.join(TEMPLATES_DIR, storedFilename);
-		const relativePath = `/templates/${storedFilename}`;
+		const relativePath = `templates/${storedFilename}`;
 
 		// Save file
 		const bytes = await file.arrayBuffer();