Initial commit - in a fully working state and submitted to the app store

.gitignore

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+obj
+bin
+*.pidb
+test-results
+.userprefs

NDC2010.Logic/FriendlyDateTime.cs

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+using System;
+
+namespace NDC2010.Logic
+{
+	public static class FriendlyDateTime
+	{
+		public static string Get(DateTime dateInThePast, DateTime dateNow)
+		{
+			if (dateInThePast > dateNow) return "";
+
+			var timeDifference = dateNow - dateInThePast;
+
+			/*
+			var differenceInMonths = dateNow.Month - dateInThePast.Month;
+			if (timeDifference.Days > 0)
+				return string.Format("{0} months ago", differenceInMonths);
+			*/
+
+			if (timeDifference.Days == 1)
+				return "yesterday";
+			else if (timeDifference.Days > 0)
+				return string.Format("{0} days ago", timeDifference.Days);
+
+			if (timeDifference.Hours == 1)
+				return "an hour ago";
+			else if (timeDifference.Hours > 0)
+				return string.Format("{0} hours ago", timeDifference.Hours);
+
+			if (timeDifference.Minutes <= 1)
+				return "1 min ago";
+
+			return string.Format("{0} mins ago", timeDifference.Minutes);
+		}
+	}
+}

NDC2010.Logic/NDC2010.Logic.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{F4090AB0-145B-4BE8-9962-81D10B815A91}</ProjectGuid>
+    <ProjectTypeGuids>{E613F3A2-FE9C-494F-B74E-F63BCB86FEA6};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Library</OutputType>
+    <RootNamespace>NDC2010.Logic</RootNamespace>
+    <AssemblyName>NDC2010.Logic</AssemblyName>
+    <MtouchSdkVersion>3.0</MtouchSdkVersion>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchLink>None</MtouchLink>
+    <MtouchDebug>True</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchDebug>False</MtouchDebug>
+    <MtouchLink>None</MtouchLink>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchDebug>True</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <MtouchDebug>False</MtouchDebug>
+    <CodesignKey>iPhone Developer</CodesignKey>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Distribution|iPhone' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin</OutputPath>
+    <WarningLevel>4</WarningLevel>
+    <MtouchDebug>False</MtouchDebug>
+    <CodesignKey>iPhone Developer</CodesignKey>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Presenters\" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="SpeakerComparer.cs" />
+    <Compile Include="SessionConverter.cs" />
+    <Compile Include="Presenters\DaysPresenter.cs" />
+    <Compile Include="Presenters\SessionsPresenter.cs" />
+    <Compile Include="Presenters\SessionPresenter.cs" />
+    <Compile Include="Presenters\SpeakersPresenter.cs" />
+    <Compile Include="Presenters\SpeakerPresenter.cs" />
+    <Compile Include="TweetConverter.cs" />
+    <Compile Include="FriendlyDateTime.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\NDC2010.Model\NDC2010.Model.csproj">
+      <Project>{7DA1FBBF-1EB5-4D22-A5E1-49BA1219D9EB}</Project>
+      <Name>NDC2010.Model</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ProjectExtensions>
+    <MonoDevelop>
+      <Properties InternalTargetFrameworkVersion="IPhone" />
+    </MonoDevelop>
+  </ProjectExtensions>
+</Project>

NDC2010.Logic/Presenters/DaysPresenter.cs

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+using System;
+
+namespace NDC2010.Logic.Presenters
+{
+	public class DaysPresenter
+	{
+		private string[] _days;
+
+		public DaysPresenter()
+		{
+			_days = new string[]
+			{
+				"Wednesday, June 16",
+				"Thursday, June 17",
+				"Friday, June 18"
+			};
+		}
+
+		public string GetTextForDay(int index)
+		{
+			return _days[index];
+		}
+
+		public int GetNumberOfDays()
+		{
+			return _days.Length;
+		}
+
+		public string GetTitle()
+		{
+			return "Select day";
+		}
+	}
+}

NDC2010.Logic/Presenters/SessionPresenter.cs

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+using System;
+using NDC2010.Model;
+
+namespace NDC2010.Logic.Presenters
+{
+	public class SessionPresenter
+	{
+		public Session Session { get; set; }
+
+		public SessionPresenter()
+		{
+		}
+
+		public string GetCellTextForSection(int section)
+		{
+			string cellText;
+
+			switch (section)
+			{
+				case 0:
+					cellText = Session.Title;
+					break;
+				case 1:
+					cellText = Session.Description;
+					break;
+				default:
+					throw new Exception("Cannot get text for section " + section);
+			}
+
+			return string.IsNullOrEmpty(cellText) ? "TBA" : cellText;
+		}
+
+		public string GetSectionHeadingText(int section)
+		{
+			switch (section)
+			{
+				case 0:
+					return "Title";
+				case 1:
+					return "Description";
+				default:
+					throw new Exception("Can't find text for section " + section);
+			}
+		}
+	}
+}

NDC2010.Logic/Presenters/SessionsPresenter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NDC2010.Model;
+
+namespace NDC2010.Logic.Presenters
+{
+	public class SessionsPresenter
+	{
+		public IEnumerable<Session> Sessions { get; set; }
+		public int Day { get; set; }
+
+		public SessionsPresenter()
+			: this(new Session[] { }, 1)
+		{
+		}
+
+		public SessionsPresenter(IEnumerable<Session> sessions, int day)
+		{
+			Sessions = sessions;
+			Day = day;
+		}
+
+		public IEnumerable<Session> GetSessionsForDay(int day)
+		{
+			var query = from session in Sessions
+						where session.Day == day
+						select session;
+
+			return query.ToArray();
+		}
+
+		public string GetTimeForSection(int section)
+		{
+			switch (section)
+			{
+				case 0: return "9:00 - 10:00";
+				case 1: return "10:20 - 11:20";
+				case 2: return "11:40 - 12:40";
+				case 3: return "13:40 - 14:40";
+				case 4: return "15:00 - 16:00";
+				case 5: return "16:20 - 17:20";
+				case 6: return "17:40 - 18:40";
+				default: return "";
+			}
+		}
+
+		public IEnumerable<Session> GetSessionsForSection(int section)
+		{
+			var query = from session in Sessions
+						where session.Day == Day &&
+							  session.Time == GetTimeForSection(section)
+						select session;
+
+			return query.ToArray();
+		}
+
+		public int GetNumberOfDailyTimeslots()
+		{
+			return 7;
+		}
+	}
+}

NDC2010.Logic/Presenters/SpeakerPresenter.cs

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+using System;
+using NDC2010.Model;
+
+namespace NDC2010.Logic.Presenters
+{
+	public class SpeakerPresenter
+	{
+		public Speaker Speaker { get; set; }
+
+		public SpeakerPresenter()
+		{
+		}
+
+		public string GetSectionHeadingText(int section)
+		{
+			switch (section)
+			{
+				case 0:
+					return "Name";
+				case 1:
+					return "Bio";
+				case 2:
+					return "Sessions";
+				default:
+					throw new Exception("No heading text for section " + section);
+			}
+		}
+
+		public string GetCellTextForSection(int section)
+		{
+			switch (section)
+			{
+				case 0:
+					return Speaker.Name;
+				case 1:
+					return Speaker.Info;
+				default:
+					throw new Exception("Cannot get cell text for section " + section);
+			}
+		}
+	}
+}

NDC2010.Logic/Presenters/SpeakersPresenter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NDC2010.Model;
+using NDC2010.Logic;
+
+namespace NDC2010.Logic.Presenters
+{
+	public class SpeakersPresenter
+	{
+		public IEnumerable<Session> Sessions { get; set; }
+
+		public SpeakersPresenter()
+			: this(new Session [] { })
+		{
+		}
+
+		public SpeakersPresenter(IEnumerable<Session> sessions)
+		{
+			Sessions = sessions;
+		}
+
+		public Speaker[] GetAllSpeakers()
+		{
+			var query = from session in Sessions
+						from speaker in session.Speakers
+						select speaker;
+
+			return query.Distinct(SpeakerComparer.Instance).OrderBy(s => s.Name).ToArray();
+		}
+	}
+}

NDC2010.Logic/SessionConverter.cs

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+using System;
+using System.Linq;
+using System.Xml.Linq;
+using NDC2010.Model;
+
+namespace NDC2010.Logic
+{
+	public static class SessionConverter
+	{
+		public static Session FromXml(XElement xml)
+   		{
+			return new Session
+				    {
+						Title = (string) xml.Element("title"),
+						Speakers = (from speaker in xml.Element("speakers").Elements("speaker")
+				            			select new Speaker
+				            			{
+										Name = (string) speaker.Element("name"),
+										Info = (string) speaker.Element("info")
+									}).ToArray(),
+						Day = (int) xml.Element("day"),
+						Track = (int) xml.Element("track"),
+						Time = (string) xml.Element("time"),
+						Description = (string) xml.Element("description")
+				    };
+   		}
+	}
+}