Add file model

src/utils/helpers/fileHelpers.js

@@ -0,0 +1,44 @@
+import path from "path";
+import { FILE_STORAGE_LOCATION } from "../../consts/filePaths";
+import FileModel from "../../models/FileModel";
+import { createFileIO } from "./ioHelpers";
+import { connectMongo } from "./mongoHelpers";
+import { randomString } from "./stringHelpers";
+
+connectMongo();
+
+/**
+ * Returns the the files object in mongo for the given id
+ *
+ * @param {string} fileId The files id
+ * @return The file object or null if not found
+ */
+export async function getFile(fileId) {
+	return await FileModel.findOne({ fileId: fileId });
+}
+
+/**
+ * Creates the file object in mongo and stores it to the storage location
+ *
+ * @param {UserModel} uploader The user who uploaded the file
+ * @param {[]} fileData The file data for the upload
+ */
+export async function createFile(uploader, fileName, buffer, contentType) {
+	const fileId = randomString(process.env.FILE_ID_LENGTH);
+	const extention = fileName.split(".")[1].toLowerCase();
+	// Todo: Check if the file was actually saved to
+	// disk and create a return type so we can notify the user what happened
+	await createFileIO(
+		`${FILE_STORAGE_LOCATION}${path.sep}${uploader.uploadKey}`,
+		`${fileId}.${extention}`,
+		buffer
+	);
+	const file = await FileModel.create({
+		uploader: uploader._id,
+		fileId: fileId,
+		uploadDate: new Date(),
+		contentType: contentType,
+	});
+	await file.save();
+	return `${fileId}.${extention}`;
+}