Initial support for custom reporting

Remote/WeatherServiceCommon.cs

@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Data.Entity;
 using System.Linq;
+using WeatherService.Data;
 using WeatherService.Values;
 using WeatherService.Devices;
+using WeatherService.Reporting;
 
 namespace WeatherService.Remote
 {
@@ -100,5 +103,36 @@ namespace WeatherService.Remote
 
             return grouped;
         }
+
+        public static List<DailySummary> GetDailySummary(int deviceId, int valueType, DateTime startDate, DateTime endDate)
+        {
+            var summaryList = new List<DailySummary>();
+
+            for (var year = startDate.Year; year <= endDate.Year; year++)
+            {
+                using (var archiveData = new WeatherArchiveData(year))
+                {
+                    var groupedReadings = archiveData.Readings
+                        .Where(r => r.ReadTime >= startDate &&
+                                    r.ReadTime <= endDate &&
+                                    r.DeviceId == deviceId &&
+                                    r.Type == valueType)
+                        .GroupBy(r => DbFunctions.TruncateTime(r.ReadTime))
+                        .Select(r => new DailySummary
+                        {
+                            Date = r.Key,
+                            Count = r.Count(),
+                            Minimum = r.Min(v => v.Value),
+                            Maximum = r.Max(v => v.Value),
+                            Average = r.Average(v => v.Value)
+                        })
+                        .OrderBy(d => d.Date);
+
+                    summaryList.AddRange(groupedReadings);
+                }
+            }
+
+            return summaryList;
+        }
     }
 }

Reporting/DailySummary.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace WeatherService.Reporting
+{
+    public class DailySummary
+    {
+        public DateTimeOffset? Date { get; set; }
+        public int Count { get; set; }
+        public double Minimum { get; set; }
+        public double Maximum { get; set; }
+        public double Average { get; set; }
+    }
+}

SignalR/WeatherHub.cs

@@ -1,8 +1,10 @@
-using System.Linq;
+using System;
+using System.Linq;
 using Microsoft.AspNet.SignalR;
 using System.Collections.Generic;
 using WeatherService.Devices;
 using WeatherService.Remote;
+using WeatherService.Reporting;
 using WeatherService.Values;
 
 namespace WeatherService.SignalR
@@ -38,5 +40,10 @@ namespace WeatherService.SignalR
         {
             return WeatherServiceCommon.GetWindDirectionHistory().ToList();
         }
+
+        public List<DailySummary> GetDailySummary(int deviceId, int valueType, DateTime startDate, DateTime endDate)
+        {
+            return WeatherServiceCommon.GetDailySummary(deviceId, valueType, startDate, endDate);
+        }
     }
 }

WeatherService.csproj

@@ -157,6 +157,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Remote\WeatherServiceCommon.cs" />
     <Compile Include="Remote\WeatherServiceDuplex.cs" />
+    <Compile Include="Reporting\DailySummary.cs" />
     <Compile Include="ServiceImplementation.cs" />
     <Compile Include="Session.cs" />
     <Compile Include="Settings.Designer.cs">