Cloud code logs (parse-community#2370)

* Adds logging (info/error) when running cloudCode triggers

* Adds logs for cloud-function calls

- Match parse.com original logging

Author: flovilmart

spec/CloudCodeLogger.spec.js

@@ -16,9 +16,14 @@ describe("Cloud Code Logger", () => {
             return logController.getLogs({from: Date.now() - 500, size: 1000});
         }).then((res) => {
             expect(res.length).not.toBe(0);
-            let lastLogs =  res.slice(0, 2);
-            let errorMessage = lastLogs[0];
-            let infoMessage = lastLogs[1];
+            let lastLogs =  res.slice(0, 3);
+            let cloudFunctionMessage = lastLogs[0];
+            let errorMessage = lastLogs[1];
+            let infoMessage = lastLogs[2];
+            expect(cloudFunctionMessage.level).toBe('info');
+            expect(cloudFunctionMessage.params).toEqual({});
+            expect(cloudFunctionMessage.message).toEqual('Ran cloud function loggerTest with:\nInput: {}\nResult: {}');
+            expect(cloudFunctionMessage.functionName).toEqual('loggerTest');
             expect(errorMessage.level).toBe('error');
             expect(errorMessage.error).toBe('there was an error');
             expect(errorMessage.message).toBe('logTest error log');
@@ -43,9 +48,13 @@ describe("Cloud Code Logger", () => {
             return logController.getLogs({from: Date.now() - 500, size: 1000})
         }).then((res) => {
             expect(res.length).not.toBe(0);
-            let lastLogs =  res.slice(0, 2);
-            let errorMessage = lastLogs[0];
-            let infoMessage = lastLogs[1];
+            let lastLogs =  res.slice(0, 3);
+            let cloudTriggerMessage = lastLogs[0];
+            let errorMessage = lastLogs[1];
+            let infoMessage = lastLogs[2];
+            expect(cloudTriggerMessage.level).toBe('info');
+            expect(cloudTriggerMessage.input).toEqual({});
+            expect(cloudTriggerMessage.message).toEqual('beforeSave triggered for MyObject\nInput: {}\nResult: {}');
             expect(errorMessage.level).toBe('error');
             expect(errorMessage.error).toBe('there was an error');
             expect(errorMessage.message).toBe('beforeSave MyObject error log');

src/Routers/FunctionsRouter.js

@@ -6,6 +6,7 @@ var express = require('express'),
 
 import PromiseRouter from '../PromiseRouter';
 import _ from 'lodash';
+import { logger } from '../logger';
 
 function parseObject(obj) {
   if (Array.isArray(obj)) {
@@ -76,7 +77,21 @@ export class FunctionsRouter extends PromiseRouter {
       }
 
       return new Promise(function (resolve, reject) {
-        var response = FunctionsRouter.createResponseObject(resolve, reject);
+        var response = FunctionsRouter.createResponseObject((result) => {
+          logger.info(`Ran cloud function ${req.params.functionName} with:\nInput: ${JSON.stringify(params)}\nResult: ${JSON.stringify(result.response.result)}`, {
+            functionName: req.params.functionName,
+            params,
+            result: result.response.resut
+          });
+          resolve(result);
+        }, (error) => {
+          logger.error(`Failed running cloud function ${req.params.functionName} with:\nInput: ${JSON.stringify(params)}\Error: ${JSON.stringify(error)}`, {
+            functionName: req.params.functionName,
+            params,
+            error
+          });
+          reject(error);
+        });
         // Force the keys before the function calls.
         Parse.applicationId = req.config.applicationId;
         Parse.javascriptKey = req.config.javascriptKey;

src/rest.js

@@ -94,7 +94,7 @@ function del(config, auth, className, objectId, clientSDK) {
 // Returns a promise for a {response, status, location} object.
 function create(config, auth, className, restObject, clientSDK) {
   enforceRoleSecurity('create', className, auth);
-  var write = new RestWrite(config, auth, className, null, restObject, clientSDK);
+  var write = new RestWrite(config, auth, className, null, restObject, null, clientSDK);
   return write.execute();
 }
 

src/triggers.js

@@ -1,6 +1,7 @@
 // triggers.js
 import Parse    from 'parse/node';
 import AppCache from './cache';
+import { logger } from './logger';
 
 export const Types = {
   beforeSave: 'beforeSave',
@@ -152,6 +153,36 @@ export function getResponseObject(request, resolve, reject) {
   }
 };
 
+function logTrigger(triggerType, className, input) {
+  if (triggerType.indexOf('after') != 0) {
+    return;
+  }
+  logger.info(`${triggerType} triggered for ${className}\nInput: ${JSON.stringify(input)}`, {
+    className, 
+    triggerType,
+    input
+  });
+}
+
+function logTriggerSuccess(triggerType, className, input, result) {
+  logger.info(`${triggerType} triggered for ${className}\nInput: ${JSON.stringify(input)}\nResult: ${JSON.stringify(result)}`, {
+    className, 
+    triggerType,
+    input,
+    result
+  });
+}
+
+function logTriggerError(triggerType, className, input, error) {
+  logger.error(`${triggerType} failed for ${className}\nInput: ${JSON.stringify(input)}\Error: ${JSON.stringify(error)}`, {
+    className, 
+    triggerType,
+    input,
+    error
+  });
+}
+
+
 // To be used as part of the promise chain when saving/deleting an object
 // Will resolve successfully if no trigger is configured
 // Resolves to an object, empty or containing an object key. A beforeSave
@@ -165,11 +196,19 @@ export function maybeRunTrigger(triggerType, auth, parseObject, originalParseObj
     var trigger = getTrigger(parseObject.className, triggerType, config.applicationId);
     if (!trigger) return resolve();
     var request = getRequestObject(triggerType, auth, parseObject, originalParseObject, config);
-    var response = getResponseObject(request, resolve, reject);
+    var response = getResponseObject(request, (object) => {
+      logTriggerSuccess(triggerType, parseObject.className, parseObject.toJSON(), object);
+      resolve(object);
+    }, (error) => {
+      logTriggerError(triggerType, parseObject.className, parseObject.toJSON(), error);
+      reject(error);
+    });
     // Force the current Parse app before the trigger
     Parse.applicationId = config.applicationId;
     Parse.javascriptKey = config.javascriptKey || '';
     Parse.masterKey = config.masterKey;
+    // For the afterSuccess / afterDelete
+    logTrigger(triggerType, parseObject.className, parseObject.toJSON());
     trigger(request, response);
   });
 };