feat: Implement file upload and management features in ProjectViewPage

src/app/api/files/[fileId]/route.js

@@ -6,9 +6,9 @@ import path from "path";
 import db from "@/lib/db";
 
 export async function GET(request, { params }) {
-	try {
-		const fileId = params.fileId;
+	const { fileId } = await params;
 
+	try {
 		// Get file info from database
 		const file = db.prepare(`
 			SELECT * FROM file_attachments WHERE file_id = ?
@@ -53,10 +53,94 @@ export async function GET(request, { params }) {
 	}
 }
 
-export async function DELETE(request, { params }) {
+export async function PUT(request, { params }) {
+	const { fileId } = await params;
 	try {
-		const fileId = params.fileId;
+		const body = await request.json();
+		const { description, original_filename } = body;
 
+		// Validate input
+		if (description !== undefined && typeof description !== 'string') {
+			return NextResponse.json(
+				{ error: "Description must be a string" },
+				{ status: 400 }
+			);
+		}
+
+		if (original_filename !== undefined && typeof original_filename !== 'string') {
+			return NextResponse.json(
+				{ error: "Original filename must be a string" },
+				{ status: 400 }
+			);
+		}
+
+		// Check if file exists
+		const existingFile = db.prepare(`
+			SELECT * FROM file_attachments WHERE file_id = ?
+		`).get(parseInt(fileId));
+
+		if (!existingFile) {
+			return NextResponse.json(
+				{ error: "File not found" },
+				{ status: 404 }
+			);
+		}
+
+		// Build update query
+		const updates = [];
+		const values = [];
+
+		if (description !== undefined) {
+			updates.push('description = ?');
+			values.push(description);
+		}
+
+		if (original_filename !== undefined) {
+			updates.push('original_filename = ?');
+			values.push(original_filename);
+		}
+
+		if (updates.length === 0) {
+			return NextResponse.json(
+				{ error: "No valid fields to update" },
+				{ status: 400 }
+			);
+		}
+
+		values.push(parseInt(fileId));
+
+		const result = db.prepare(`
+			UPDATE file_attachments 
+			SET ${updates.join(', ')}
+			WHERE file_id = ?
+		`).run(...values);
+
+		if (result.changes === 0) {
+			return NextResponse.json(
+				{ error: "File not found" },
+				{ status: 404 }
+			);
+		}
+
+		// Get updated file
+		const updatedFile = db.prepare(`
+			SELECT * FROM file_attachments WHERE file_id = ?
+		`).get(parseInt(fileId));
+
+		return NextResponse.json(updatedFile);
+
+	} catch (error) {
+		console.error("Error updating file:", error);
+		return NextResponse.json(
+			{ error: "Failed to update file" },
+			{ status: 500 }
+		);
+	}
+}
+
+export async function DELETE(request, { params }) {
+	const { fileId } = await params;
+	try {
 		// Get file info from database
 		const file = db.prepare(`
 			SELECT * FROM file_attachments WHERE file_id = ?