Update notifications now able to parse "rc"'s and also show release notes from GitHub.

src/js/controllers/tab-home.js

@@ -43,20 +43,19 @@ angular.module('copayApp.controllers').controller('tabHomeController',
         });
       }
 
-      if ($scope.isNW) {
+      latestReleaseService.checkLatestRelease(function(err, newReleaseData) {
-        latestReleaseService.checkLatestRelease(function(err, newRelease) {
         if (err) {
           $log.warn(err);
           return;
         }
-          if (newRelease) {
+        if (newReleaseData) {
           $scope.newRelease = true;
-            $scope.updateText = gettextCatalog.getString('There is a new version of {{appName}} available', {
+          $scope.newReleaseText = gettextCatalog.getString('There is a new version of {{appName}} available', {
             appName: $scope.name
           });
+          $scope.newReleaseNotes = newReleaseData.releaseNotes;
         }
       });
-      }
     };
 
     function onEnter(event, data) {

src/js/services/latestReleaseService.js

@@ -1,16 +1,16 @@
 'use strict';
 angular.module('copayApp.services')
-  .factory('latestReleaseService', function latestReleaseServiceFactory($log, $http, configService) {
+  .factory('latestReleaseService', function latestReleaseServiceFactory($log, $http, configService, platformInfo) {
 
     var root = {};
 
     root.checkLatestRelease = function(cb) {
       var releaseURL = configService.getDefaults().release.url;
 
-      requestLatestRelease(releaseURL, function(err, release) {
+      requestLatestRelease(releaseURL, function(err, releaseData) {
         if (err) return cb(err);
         var currentVersion = window.version;
-        var latestVersion = release.data.tag_name;
+        var latestVersion = releaseData.tag_name;
 
         if (!verifyTagFormat(currentVersion))
           return cb('Cannot verify the format of version tag: ' + currentVersion);
@@ -20,30 +20,72 @@ angular.module('copayApp.services')
         var current = formatTagNumber(currentVersion);
         var latest = formatTagNumber(latestVersion);
 
-        if (latest.major < current.major || (latest.major == current.major && latest.minor <= current.minor))
+        if (latest.major < current.major || (latest.major === current.major && latest.minor <= current.minor)) {
           return cb(null, false);
+        }
+
+        var releaseSearchTerm = "";
+        if (platformInfo.isNW) { // XX SP: DESKTOP: Check if the latest release is already available for current OS
+          var platform = process.platform;
+          if (platform === "darwin") {
+            releaseSearchTerm = "osx";
+          } else if (platform === "win32") {
+            releaseSearchTerm = "win";
+          } else if (platform === "linux") {
+            releaseSearchTerm = "linux";
+          }
+          var foundNewVersion = false;
+          for (var i in releaseData.assets) {
+            if (releaseData.assets[i].name.indexOf(releaseSearchTerm) !== -1) {
+              foundNewVersion = true;
+              break;
+            }
+          }
+        }
 
         $log.debug('A new version is available: ' + latestVersion);
-        return cb(null, true);
+
+        //
+        var releaseNotes = false;
+        if (releaseData.body) {
+          var releaseLines = releaseData.body.split('\n');
+          for (var lineNum in releaseLines) {
+            if (releaseLines[lineNum].substring(0, 2) === "# ") {
+              releaseLines[lineNum] = "<strong>"+releaseLines[lineNum].substring(2)+"</strong>";
+            } else if (releaseLines[lineNum].substring(0, 2) === "- ") {
+              releaseLines[lineNum] = "&bull; "+releaseLines[lineNum].substring(2);
+            }
+          }
+          releaseNotes = releaseLines.join('\n');
+        }
+
+        return cb(null, {latestVersion: latestVersion, releaseNotes: releaseNotes});
       });
 
       function verifyTagFormat(tag) {
-        var regex = /^v?\d+\.\d+\.\d+$/i;
+        var regex = /^v?\d+\.\d+(\.\d+)?(-rc\d)?$/i;
         return regex.exec(tag);
       };
 
       function formatTagNumber(tag) {
+        var label = false;
+        if (tag.split("-")[1]) { // Move postfixes like "-rc2" to a variable
+          label = tag.split("-")[1];
+          tag = tag.split("-")[0];
+        }
+
         var formattedNumber = tag.replace(/^v/i, '').split('.');
         return {
-          major: +formattedNumber[0],
+          major: +(formattedNumber[0]?+formattedNumber[0]:0),
-          minor: +formattedNumber[1],
+          minor: +(formattedNumber[1]?+formattedNumber[1]:0),
-          patch: +formattedNumber[2]
+          patch: +(formattedNumber[2]?+formattedNumber[2]:0),
+          label: label /* XX SP: we can use this in a later stage (with for example 1.0.0-rc2 the value will be "rc2" and false if there is no label) */
         };
       };
     };
 
     function requestLatestRelease(releaseURL, cb) {
-      $log.debug('Retrieving latest relsease information...');
+      $log.debug('Retrieving latest release information...');
 
       var request = {
         url: releaseURL,
@@ -53,7 +95,7 @@ angular.module('copayApp.services')
 
       $http(request).then(function(release) {
         $log.debug('Latest release: ' + release.data.name);
-        return cb(null, release);
+        return cb(null, release.data);
       }, function(err) {
         return cb('Cannot get the release information: ' + err);
       });

src/sass/views/tab-home.scss

@@ -173,6 +173,11 @@
       font-weight: 700;
       color: #444;
     }
+    .release-notes {
+      white-space: pre;
+      white-space: pre-line;
+      text-align: left;
+    }
     .button {
       width: 100%;
       border: none;

www/views/tab-home.html

@@ -15,7 +15,9 @@
         <img src="img/icon-update.svg" class="bg"/>
       </i>
 
-      <div class="item title">{{updateText}}</div>
+      <div class="item title">{{newReleaseText}}</div>
+      <div class="item release-notes" ng-if="newReleaseNotes"><span ng-bind-html="newReleaseNotes"></span></div>
+
 
       <div class="button" ng-click="openExternalLink()">
         <span translate>Download</span>