Initial version

.gitignore

@@ -0,0 +1,194 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+
+# Visual Studo 2015 cache/options directory
+.vs/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding addin-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings 
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+*.[Cc]ache
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt

Pretzel.SimilarPosts.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25123.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Pretzel.SimilarPosts", "Pretzel.SimilarPosts\Pretzel.SimilarPosts.csproj", "{B740C151-3692-4965-AB32-5557F8E50A88}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Pretzel.Logic", "..\pretzel\src\Pretzel.Logic\Pretzel.Logic.csproj", "{F2E6664D-75AC-4830-8A55-E572027DF710}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B740C151-3692-4965-AB32-5557F8E50A88}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B740C151-3692-4965-AB32-5557F8E50A88}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B740C151-3692-4965-AB32-5557F8E50A88}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B740C151-3692-4965-AB32-5557F8E50A88}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F2E6664D-75AC-4830-8A55-E572027DF710}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F2E6664D-75AC-4830-8A55-E572027DF710}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F2E6664D-75AC-4830-8A55-E572027DF710}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F2E6664D-75AC-4830-8A55-E572027DF710}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Pretzel.SimilarPosts/Api/IComparision.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using Pretzel.Logic.Templating.Context;
+
+namespace Pretzel.SimilarPosts.Api
+{
+    public interface IComparision
+    {
+        double Compare(IList<Page> allDocuments, string name1, string name2, TextVector document1, TextVector document2);
+    }
+}

Pretzel.SimilarPosts/Api/IComparisionMatrixGenerator.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Pretzel.Logic.Templating.Context;
+
+namespace Pretzel.SimilarPosts.Api
+{
+    public interface IComparisionMatrixGenerator
+    {
+        Dictionary<string, Dictionary<string, double>> Generate(IDictionary<string, string[]> words, IList<Page> documents);
+    }
+}

Pretzel.SimilarPosts/Api/IContentParser.cs

@@ -0,0 +1,9 @@
+using System.Collections.Generic;
+
+namespace Pretzel.SimilarPosts.Api
+{
+    public interface IContentParser
+    {
+        IDictionary<string, string> Parse(string[] files, ISourceCleanup[] sourceCleanups);
+    }
+}

Pretzel.SimilarPosts/Api/ISourceCleanup.cs

@@ -0,0 +1,7 @@
+namespace Pretzel.SimilarPosts.Api
+{
+    public interface ISourceCleanup
+    {
+        string Cleanup(string source);
+    }
+}

Pretzel.SimilarPosts/Api/IWordCleanup.cs

@@ -0,0 +1,7 @@
+namespace Pretzel.SimilarPosts.Api
+{
+    public interface IWordCleanup
+    {
+        string Cleanup(string source);
+    }
+}

Pretzel.SimilarPosts/Api/TextVector.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+
+namespace Pretzel.SimilarPosts.Api
+{
+    public class TextVector : Dictionary<string, double>
+    {
+        public TextVector()
+        {
+        }
+
+        public TextVector(Dictionary<string, double> source)
+            : base(source)
+        {
+        }
+    }
+
+    public static class TextVectorExtensions
+    {
+        public static TextVector ToTextVector<T>(this IEnumerable<T> source, Func<T, string> keySelector, Func<T, double> elementSelector)
+        {
+            if (source == null)
+                return null;
+
+            TextVector result = new TextVector();
+
+            foreach (var item in source)
+            {
+                result.Add(keySelector(item), elementSelector(item));
+            }
+
+            return result;
+        }
+    }
+}