move old to legacy folder

.bzr/legacy/easy-project/utils.js

@@ -0,0 +1,49 @@
+const ObjectId = require('mongodb').ObjectID
+
+const requiredFields = (fields) => (req, res, next) => {
+    for (const fieldName of fields) {
+        if (!req.body[fieldName]) {
+            throw new Error(`Field ${fieldName} does't set`)
+        }
+    }
+
+    next()
+}
+
+const responseWrapper = (error, data, success = true) => ({
+    error, data, success,
+})
+
+const _idToId = (data) => {
+    const { _id, ...rest } = data
+
+    return {
+        id: _id,
+        ...rest,
+    }
+}
+
+const _idToIdArray = (arrayData, setAuthor = false) => {
+    let newArray = []
+    for (let index = 0; index < arrayData.length; index++) {
+        newArray[index] = _idToId(arrayData[index])
+    }
+    return newArray
+}
+
+const checkDB = (db) => {
+    if (db === null) throw new Error('no db connection')
+}
+
+const filterId = (id) => ({
+    _id: new ObjectId(id),
+})
+
+module.exports = {
+    checkDB,
+    requiredFields,
+    responseWrapper,
+    _idToId,
+    _idToIdArray,
+    filterId,
+}