Remove dependency express-fileupload

server/libs/expressFileupload/fileFactory.js

@@ -0,0 +1,65 @@
+'use strict';
+
+const {
+  isFunc,
+  debugLog,
+  moveFile,
+  promiseCallback,
+  checkAndMakeDir,
+  saveBufferToFile
+} = require('./utilities');
+
+/**
+ * Returns Local function that moves the file to a different location on the filesystem
+ * which takes two function arguments to make it compatible w/ Promise or Callback APIs
+ * @param {String} filePath - destination file path.
+ * @param {Object} options - file factory options.
+ * @param {Object} fileUploadOptions - middleware options.
+ * @returns {Function}
+ */
+const moveFromTemp = (filePath, options, fileUploadOptions) => (resolve, reject) => {
+  debugLog(fileUploadOptions, `Moving temporary file ${options.tempFilePath} to ${filePath}`);
+  moveFile(options.tempFilePath, filePath, promiseCallback(resolve, reject));
+};
+
+/**
+ * Returns Local function that moves the file from buffer to a different location on the filesystem
+ * which takes two function arguments to make it compatible w/ Promise or Callback APIs
+ * @param {String} filePath - destination file path.
+ * @param {Object} options - file factory options.
+ * @param {Object} fileUploadOptions - middleware options.
+ * @returns {Function}
+ */
+const moveFromBuffer = (filePath, options, fileUploadOptions) => (resolve, reject) => {
+  debugLog(fileUploadOptions, `Moving uploaded buffer to ${filePath}`);
+  saveBufferToFile(options.buffer, filePath, promiseCallback(resolve, reject));
+};
+
+module.exports = (options, fileUploadOptions = {}) => {
+  // see: https://github.com/richardgirges/express-fileupload/issues/14
+  // firefox uploads empty file in case of cache miss when f5ing page.
+  // resulting in unexpected behavior. if there is no file data, the file is invalid.
+  // if (!fileUploadOptions.useTempFiles && !options.buffer.length) return;
+  
+  // Create and return file object.
+  return {
+    name: options.name,
+    data: options.buffer,
+    size: options.size,
+    encoding: options.encoding,
+    tempFilePath: options.tempFilePath,
+    truncated: options.truncated,
+    mimetype: options.mimetype,
+    md5: options.hash,
+    mv: (filePath, callback) => {
+      // Define a propper move function.
+      const moveFunc = fileUploadOptions.useTempFiles
+        ? moveFromTemp(filePath, options, fileUploadOptions)
+        : moveFromBuffer(filePath, options, fileUploadOptions);
+      // Create a folder for a file.
+      checkAndMakeDir(fileUploadOptions, filePath);
+      // If callback is passed in, use the callback API, otherwise return a promise.
+      return isFunc(callback) ? moveFunc(callback) : new Promise(moveFunc);
+    }
+  };
+};