[banshee] Add Banshee pref to enable anon usage collection

[Gabriel Burt <gburt src gnome org>]

commit 8c5e12b6f1b0943f6601cf9215caab33729e37dc
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Thu Feb 11 22:19:59 2010 -0800

    Add Banshee pref to enable anon usage collection

 .../Banshee.Metrics/BansheeMetrics.cs              |  101 ++++++++++++++++++++
 .../Banshee.Preferences/PreferenceService.cs       |   13 +++-
 src/Core/Banshee.Services/Banshee.Services.csproj  |    1 +
 src/Core/Banshee.Services/Makefile.am              |    1 +
 4 files changed, 115 insertions(+), 1 deletions(-)
---
diff --git a/src/Core/Banshee.Services/Banshee.Metrics/BansheeMetrics.cs b/src/Core/Banshee.Services/Banshee.Metrics/BansheeMetrics.cs
new file mode 100644
index 0000000..9f214b3
--- /dev/null
+++ b/src/Core/Banshee.Services/Banshee.Metrics/BansheeMetrics.cs
@@ -0,0 +1,101 @@
+//
+// BansheeMetrics.cs
+//
+// Author:
+//   Gabriel Burt <gabriel burt gmail com>
+//
+// Copyright (c) 2010 Novell, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using System.Linq;
+using Mono.Unix;
+
+using Hyena;
+using Hyena.Metrics;
+
+using Banshee.Configuration;
+using Banshee.ServiceStack;
+
+namespace Banshee.Metrics
+{
+    public class BansheeMetrics : IDisposable
+    {
+        private static BansheeMetrics banshee_metrics;
+
+        public static void Start ()
+        {
+            Log.Information ("Starting collection of anonymous usage data");
+            if (banshee_metrics == null) {
+                banshee_metrics = new BansheeMetrics ();
+            }
+        }
+
+        public static void Stop ()
+        {
+            Log.Information ("Stopping collection of anonymous usage data");
+            if (banshee_metrics != null) {
+                banshee_metrics.Dispose ();
+                banshee_metrics = null;
+            }
+        }
+
+        private MetricsCollection metrics;
+
+        private BansheeMetrics ()
+        {
+            string key = "AnonymousUsageData.Userid";
+            string unique_userid = DatabaseConfigurationClient.Client.Get<string> (key, null);
+
+            if (unique_userid == null) {
+                unique_userid = System.Guid.NewGuid ().ToString ();
+                DatabaseConfigurationClient.Client.Set<string> (key, unique_userid);
+            }
+
+            metrics = new MetricsCollection (unique_userid, new DbSampleStore (
+                ServiceManager.DbConnection, "AnonymousUsageData"
+            ));
+            metrics.AddDefaults ();
+
+            foreach (var metric in metrics) {
+                metric.TakeSample ();
+            }
+
+            // TODO remove this, just for testing
+            Log.InformationFormat ("Anonymous usage data collected:\n{0}", metrics.ToString ());
+
+            // TODO add Banshee-specific metrics
+            // TODO add Mono.Addins extension point for metric providers?
+            // TODO schedule sending the data to the server in some timeout?
+        }
+
+        public void Dispose ()
+        {
+            // Delete any collected data
+            metrics.Store.Clear ();
+            metrics = null;
+        }
+
+        public static SchemaEntry<bool> EnableCollection = new SchemaEntry<bool> (
+            "core", "send_anonymous_usage_data", false,
+            Catalog.GetString ("Improve Banshee by sending anonymous usage data"), null
+        );
+    }
+}
diff --git a/src/Core/Banshee.Services/Banshee.Preferences/PreferenceService.cs b/src/Core/Banshee.Services/Banshee.Preferences/PreferenceService.cs
index 3b4d63d..fdba642 100644
--- a/src/Core/Banshee.Services/Banshee.Preferences/PreferenceService.cs
+++ b/src/Core/Banshee.Services/Banshee.Preferences/PreferenceService.cs
@@ -32,6 +32,7 @@ using Mono.Unix;
 using Banshee.ServiceStack;
 using Banshee.Library;
 using Banshee.Configuration.Schema;
+using Banshee.Configuration;
 
 namespace Banshee.Preferences
 {
@@ -61,7 +62,17 @@ namespace Banshee.Preferences
             policies.Add (Banshee.Metadata.SaveTrackMetadataService.RenameEnabled);
 
             // Misc section
-            general.Add (new Section ("misc", Catalog.GetString ("Miscellaneous"), 20));
+            var misc = new Section ("misc", Catalog.GetString ("Miscellaneous"), 20);
+            general.Add (misc);
+
+            var anon_data = misc.Add (Banshee.Metrics.BansheeMetrics.EnableCollection);
+            anon_data.ValueChanged += (o) => {
+                if (Banshee.Metrics.BansheeMetrics.EnableCollection.Get ()) {
+                    Banshee.Metrics.BansheeMetrics.Start ();
+                } else {
+                    Banshee.Metrics.BansheeMetrics.Stop ();
+                }
+            };
         }
 
         public void RequestWidgetAdapters ()
diff --git a/src/Core/Banshee.Services/Banshee.Services.csproj b/src/Core/Banshee.Services/Banshee.Services.csproj
index a5f61b4..c19319f 100644
--- a/src/Core/Banshee.Services/Banshee.Services.csproj
+++ b/src/Core/Banshee.Services/Banshee.Services.csproj
@@ -319,6 +319,7 @@
     <Compile Include="Banshee.Library\Tests\FileNamePatternTests.cs" />
     <Compile Include="Banshee.Collection.Database\ISearchable.cs" />
     <Compile Include="Banshee.Library\MusicFileNamePattern.cs" />
+    <Compile Include="Banshee.Metrics\BansheeMetrics.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Banshee.Services.addin.xml">
diff --git a/src/Core/Banshee.Services/Makefile.am b/src/Core/Banshee.Services/Makefile.am
index cca613a..28f9073 100644
--- a/src/Core/Banshee.Services/Makefile.am
+++ b/src/Core/Banshee.Services/Makefile.am
@@ -122,6 +122,7 @@ SOURCES =  \
 	Banshee.Metadata/SaveTrackMetadataJob.cs \
 	Banshee.Metadata/SaveTrackMetadataService.cs \
 	Banshee.Metadata/Tests/TaglibReadWriteTests.cs \
+	Banshee.Metrics/BansheeMetrics.cs \
 	Banshee.Networking/INetworkAvailabilityService.cs \
 	Banshee.Networking/Network.cs \
 	Banshee.Networking/NetworkManager.cs \