Enhance logging with timestamps and filtering.

src/js/services/historicLog.js

@@ -1,9 +1,32 @@
 'use strict';
 var logs = [];
 angular.module('copayApp.services')
-  .factory('historicLog', function historicLog() {
+  .factory('historicLog', function historicLog(lodash) {
     var root = {};
 
+    var levels = [
+      { level: 'info',  weight: 0, label: 'Info'},
+      { level: 'warn',  weight: 1, label: 'Warning'},
+      { level: 'error', weight: 2, label: 'Error'},
+      { level: 'debug', weight: 3, label: 'Debug', default: true}
+    ];
+
+    // Create an array of level weights for performant filtering.
+    var weight = {};
+    for (var i = 0; i < levels.length; i++) {
+      weight[levels[i].level] = levels[i].weight;
+    }
+
+    root.getLevels = function() {
+      return levels;
+    };
+
+    root.getDefaultLevel = function() {
+      return lodash.find(levels, function(l) {
+        return l.default;
+      });
+    };
+
     root.add = function(level, msg) {
       logs.push({
         level: level,
@@ -11,8 +34,14 @@ angular.module('copayApp.services')
       });
     };
 
-    root.get = function() {
-      return logs;
+    root.get = function(filterWeight) {
+      var filteredLogs = logs;
+      if (filterWeight != undefined) {
+        filteredLogs = lodash.filter(logs, function(l) {
+          return weight[l.level] <= filterWeight;
+        });
+      }
+      return filteredLogs;
     };
 
     return root;

src/js/services/profileService.js

@@ -134,7 +134,7 @@ angular.module('copayApp.services')
         wallet.setNotificationsInterval(UPDATE_PERIOD);
         wallet.openWallet(function(err) {
           if (wallet.status !== true)
-            $log.log('Wallet + ' + walletId + ' status:' + wallet.status)
+            $log.debug('Wallet + ' + walletId + ' status:' + wallet.status)
         });
       });