Merge pull request #706 from waiterZen/SERVER-1067

upload icon support for app create & edit restful api

Author: waiterZen

api/parts/mgmt/apps.js

@@ -10,7 +10,9 @@ var appsApi = {},
     moment = require('moment-timezone'),
     crypto = require('crypto'),
     plugins = require('../../../plugins/pluginManager.js'),
-    fs = require('fs');
+    fs = require('fs'),
+    jimp = require('jimp'),
+    countlyFs = require('./../../utils/countlyFs.js');
 
 /**
 * Get all apps and outputs to browser, requires global admin permission
@@ -150,6 +152,40 @@ appsApi.getAppsDetails = function(params) {
 
     return true;
 };
+/**
+*  upload app icon function 
+*  @param {params} params - params object with args to create app
+*  @return {object} return promise object;
+**/
+const iconUpload = function(params) {
+    const appId = params.app_id || params.qstring.args.app_id;
+    if (params.files && params.files.app_image) {
+        const tmp_path = params.files.app_image.path,
+            target_path = __dirname + '/../../../frontend/express/public/appimages/' + appId + ".png",
+            type = params.files.app_image.type;
+        if (type !== "image/png" && type !== "image/gif" && type !== "image/jpeg") {
+            fs.unlink(tmp_path, function() {});
+            log.d("Invalid file type");
+            return Promise.reject();
+        }
+        try {
+            return jimp.read(tmp_path, function(err, icon) {
+                if (err) {
+                    log.e(err, err.stack);
+                }
+                icon.cover(72, 72).getBuffer(jimp.MIME_PNG, function(err2, buffer) {
+                    countlyFs.saveData("appimages", target_path, buffer, {id: appId + ".png", writeMode: "overwrite"}, function(err3) {
+                        log.e(err3, err3.stack);
+                        fs.unlink(tmp_path, function() {});
+                    });
+                });
+            });
+        }
+        catch (e) {
+            log.e(e.stack);
+        }
+    }
+};
 
 /**
 * Creates new app, and outputs result to browser
@@ -232,6 +268,7 @@ appsApi.createApp = function(params) {
             appId: app.ops[0]._id,
             data: newApp
         });
+        iconUpload(Object.assign({}, params, {app_id: app.ops[0]._id}));
         common.returnOutput(params, newApp);
     });
 };
@@ -317,6 +354,7 @@ appsApi.updateApp = function(params) {
                             update: updatedApp
                         }
                     });
+                    iconUpload(params);
                     common.returnOutput(params, updatedApp);
                 });
             }
@@ -332,6 +370,7 @@ appsApi.updateApp = function(params) {
                                     update: updatedApp
                                 }
                             });
+                            iconUpload(params);
                             common.returnOutput(params, updatedApp);
                         });
                     }