Functionality to CreateEntry per session of GitHub for Unity

Author: StanleyGoldman

src/GitHub.Api/Application/ApplicationManagerBase.cs

@@ -216,6 +216,7 @@ protected void SetupMetrics(string unityVersion, bool firstRun)
 
             if (firstRun)
             {
+                UsageTracker.CreateEntry();
                 TaskManager.Run(UsageTracker.IncrementNumberOfStartups);
             }
 #endif

src/GitHub.Api/Metrics/IUsageTracker.cs

@@ -14,6 +14,7 @@ public interface IUsageTracker
         void IncrementNumberOfLocalBranchDeletions();
         void IncrementNumberOfLocalBranchCheckouts();
         void IncrementNumberOfRemoteBranchCheckouts();
+        void CreateEntry();
     }
 
     class NullUsageTracker : IUsageTracker
@@ -30,6 +31,8 @@ public void IncrementNumberOfLocalBranchCreations() { }
         public void IncrementNumberOfLocalBranchDeletions() { }
         public void IncrementNumberOfLocalBranchCheckouts() { }
         public void IncrementNumberOfRemoteBranchCheckouts() { }
+        public void CreateEntry() { }
+
         public void SetMetricsService(IMetricsService instance) { }
     }
 }

src/GitHub.Api/Metrics/UsageModel.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 
 namespace GitHub.Unity
@@ -51,7 +52,7 @@ public Usage GetCurrentUsage(string appVersion, string unityVersion)
             if (currentUsage == null)
             {
                 currentUsage = Reports
-                    .FirstOrDefault(usage => usage.Dimensions.Date == date
+                    .Last(usage => usage.Dimensions.Date == date
                         && usage.Dimensions.AppVersion == appVersion
                         && usage.Dimensions.UnityVersion == unityVersion);
             }
@@ -64,16 +65,7 @@ public Usage GetCurrentUsage(string appVersion, string unityVersion)
             }
             else
             {
-                currentUsage = new Usage
-                {
-                    Dimensions = {
-                        Date = date,
-                        Guid = Guid,
-                        AppVersion = appVersion,
-                        UnityVersion = unityVersion
-                    }
-                };
-                Reports.Add(currentUsage);
+                throw new InvalidOperationException("Current usage not found");
             }
 
             return currentUsage;
@@ -88,6 +80,23 @@ public void RemoveReports(DateTime beforeDate)
         {
             Reports.RemoveAll(usage => usage.Dimensions.Date.Date != beforeDate.Date);
         }
+
+        public void CreateEntry(string appVersion, string unityVersion)
+        {
+            var date = DateTime.UtcNow.Date;
+            currentUsage = new Usage {
+                Dimensions = {
+                    Date = date,
+                    Guid = Guid,
+                    AppVersion = appVersion,
+                    UnityVersion = unityVersion,
+                    Lang = CultureInfo.InstalledUICulture.IetfLanguageTag,
+                    CurrentLang = CultureInfo.CurrentCulture.IetfLanguageTag
+                }
+            };
+
+            Reports.Add(currentUsage);
+        }
     }
 
     class UsageStore

src/GitHub.Api/Metrics/UsageTracker.cs

@@ -154,10 +154,17 @@ private async Task SendUsage()
 
         private Usage GetCurrentUsage(UsageStore usageStore)
         {
-            var usage = usageStore.Model.GetCurrentUsage(ApplicationConfiguration.AssemblyName.Version.ToString(), unityVersion);
-            usage.Dimensions.Lang = CultureInfo.InstalledUICulture.IetfLanguageTag;
-            usage.Dimensions.CurrentLang = CultureInfo.CurrentCulture.IetfLanguageTag;
-            return usage;
+            return usageStore.Model.GetCurrentUsage(ApplicationConfiguration.AssemblyName.Version.ToString(), unityVersion);
+        }
+
+        public void CreateEntry()
+        {
+            Logger.Trace("CreateEntry: \"{0}\"", storePath);
+
+            var usageStore = LoadUsage();
+            usageStore.Model.CreateEntry(ApplicationConfiguration.AssemblyName.Version.ToString(), unityVersion);
+
+            SaveUsage(usageStore);
         }
 
         public void IncrementNumberOfStartups()