Merge pull request #37 from MehdiK/ToQuantity

Added ToQuantity - fixes issue #32

src/Humanizer.Tests/Humanizer.Tests.csproj

@@ -73,6 +73,7 @@
     <Compile Include="CasingTests.cs" />
     <Compile Include="Localisation\DateHumanizeTests.nb-NO.cs" />
     <Compile Include="RunnableInDebugModeOnlyAttribute.cs" />
+    <Compile Include="ToQuantityTests.cs" />
     <Compile Include="TransformersTests.cs" />
     <Compile Include="NumberToOrdinalWordsTests.cs" />
     <Compile Include="Localisation\DateHumanizeTests.ro-RO.cs" />

src/Humanizer.Tests/ToQuantityTests.cs

@@ -0,0 +1,21 @@
+using Xunit;
+using Xunit.Extensions;
+
+namespace Humanizer.Tests
+{
+    public class ToQuantityTests
+    {
+
+        [Theory]
+        [InlineData("case", 0, "0 cases")]
+        [InlineData("case", 1, "1 case")]
+        [InlineData("case", 5, "5 cases")]
+        [InlineData("man", 0, "0 men")]
+        [InlineData("man", 1, "1 man")]
+        [InlineData("man", 2, "2 men")]
+        public void ToQuantity(string word, int quatity, string expected)
+        {
+            Assert.Equal(expected, word.ToQuantity(quatity));
+        }
+    }
+}

src/Humanizer/Humanizer.csproj

@@ -82,6 +82,7 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>On.Days.tt</DependentUpon>
     </Compile>
+    <Compile Include="ToQuantityExtensions.cs" />
     <Compile Include="Transformer\To.cs" />
     <Compile Include="Transformer\IStringTransformer.cs" />
     <Compile Include="NumberToOrdinalWordsExtension.cs" />

src/Humanizer/ToQuantityExtensions.cs

@@ -0,0 +1,19 @@
+namespace Humanizer
+{
+    public static class ToQuantityExtensions
+    {
+        /// <summary>
+        /// "request".ToQuantity(0) => "0 requests", "request".ToQuantity(1) => "1 request", "request".ToQuantity(2) => "2 requests"
+        /// </summary>
+        /// <param name="input"></param>
+        /// <param name="quantity"></param>
+        /// <returns></returns>
+        public static string ToQuantity(this string input, int quantity)
+        {
+            if (quantity == 1)
+                return string.Format("{0} {1}", quantity, input);
+
+            return string.Format("{0} {1}", quantity, input.Pluralize());
+        }
+    }
+}