Added the Commerce faker. (#110)

* Added the documentation.

* Added the data.

* Implemented  the Commerce faker.

* Added the CommerceFaker to the main faker classes.

* Fixed the test.

README.md

@@ -22,6 +22,7 @@ A .NET port of the Ruby [faker](https://github.com/stympy/faker) gem
   - [Faker.ChuckNorris](doc/chuck_norris.md)
   - [Faker.Coffee](doc/coffee.md)
   - [Faker.Color](doc/color.md)
+  - [Faker.Commerce](doc/commerce.md)
   - [Faker.Company](doc/company.md)
   - [Faker.Date](doc/date.md)
   - [Faker.DragonBall](doc/dragon_ball.md)

doc/commerce.md

@@ -0,0 +1,22 @@
+# Faker.Commerce
+
+```cs
+Faker.Commerce.Color() //=> "lavender"
+
+# Optional arguments max=3, fixedAmount=false
+Faker.Commerce.Department() //=> "Grocery, Health & Beauty"
+Faker.Commerce.Department(5) //=> "Grocery, Books, Health & Beauty"
+Faker.Commerce.Department(2, true) //=> "Books & Tools"
+
+Faker.Commerce.Material() //=> "Steel"
+
+Faker.Commerce.ProductName() //=> "Practical Granite Shirt"
+
+Faker.Commerce.Price() //=> "44.6"
+Faker.Commerce.Price(mew Range<double>(0, 10)) //=> "2.18"
+
+# Generate a random promotion code.
+# Optional argument digits = 6 for number of random digits in suffix
+Faker.Commerce.PromotionCode() //=> "AmazingDeal829102"
+Faker.Commerce.PromotionCode(digits = 2) //=> "AmazingPrice57"
+```

src/FakerDotNet/Data/CommerceData.cs

@@ -0,0 +1,126 @@
+using System.Collections.Generic;
+
+namespace FakerDotNet.Data
+{
+    internal static class CommerceData
+    {
+        public static readonly IEnumerable<string> Departments = new[]
+        {
+            "Books",
+            "Movies",
+            "Music",
+            "Games",
+            "Electronics",
+            "Computers",
+            "Home",
+            "Garden",
+            "Tools",
+            "Grocery",
+            "Health",
+            "Beauty",
+            "Toys",
+            "Kids",
+            "Baby",
+            "Clothing",
+            "Shoes",
+            "Jewelry",
+            "Sports",
+            "Outdoors",
+            "Automotive",
+            "Industrial"
+        };
+
+        public static readonly IEnumerable<string> ProductNames = new[]
+        {
+            "Chair",
+            "Car",
+            "Computer",
+            "Gloves",
+            "Pants",
+            "Shirt",
+            "Table",
+            "Shoes",
+            "Hat",
+            "Plate",
+            "Knife",
+            "Bottle",
+            "Coat",
+            "Lamp",
+            "Keyboard",
+            "Bag",
+            "Bench",
+            "Clock",
+            "Watch",
+            "Wallet"
+        };
+
+        public static readonly IEnumerable<string> ProductAdjectives = new[]
+        {
+            "Small",
+            "Ergonomic",
+            "Rustic",
+            "Intelligent",
+            "Gorgeous",
+            "Incredible",
+            "Fantastic",
+            "Practical",
+            "Sleek",
+            "Awesome",
+            "Enormous",
+            "Mediocre",
+            "Synergistic",
+            "Heavy Duty",
+            "Lightweight",
+            "Aerodynamic",
+            "Durable"
+        };
+
+        public static readonly IEnumerable<string> Materials = new[]
+        {
+            "Steel",
+            "Wooden",
+            "Concrete",
+            "Plastic",
+            "Cotton",
+            "Granite",
+            "Rubber",
+            "Leather",
+            "Silk",
+            "Wool",
+            "Linen",
+            "Marble",
+            "Iron",
+            "Bronze",
+            "Copper",
+            "Aluminum",
+            "Paper"
+        };
+
+        public static readonly IEnumerable<string> PromotionCodeAdjectives = new[]
+        {
+            "Amazing",
+            "Awesome",
+            "Cool",
+            "Good",
+            "Great",
+            "Incredible",
+            "Killer",
+            "Premium",
+            "Special",
+            "Stellar",
+            "Sweet"
+        };
+
+        public static readonly IEnumerable<string> PromotionCodeNouns = new[]
+        {
+            "Code",
+            "Deal",
+            "Discount",
+            "Price",
+            "Promo",
+            "Promotion",
+            "Sale",
+            "Savings"
+        };
+    }
+}

src/FakerDotNet/Faker.cs

@@ -18,6 +18,7 @@ public static class Faker
         public static IChuckNorrisFaker ChuckNorris { get; } = Container.ChuckNorris;
         public static ICoffeeFaker Coffee { get; } = Container.Coffee;
         public static IColorFaker Color { get; } = Container.Color;
+        public static ICommerceFaker Commerce { get; } = Container.Commerce;
         public static ICompanyFaker Company { get; } = Container.Company;
         public static IDateFaker Date { get; } = Container.Date;
         public static IDragonBallFaker DragonBall { get; } = Container.DragonBall;

src/FakerDotNet/FakerContainer.cs

@@ -16,6 +16,7 @@ internal interface IFakerContainer
         IChuckNorrisFaker ChuckNorris { get; }
         ICoffeeFaker Coffee { get; }
         IColorFaker Color { get; }
+        ICommerceFaker Commerce { get; }
         ICompanyFaker Company { get; }
         IDateFaker Date { get; }
         IDragonBallFaker DragonBall { get; }
@@ -68,6 +69,7 @@ public FakerContainer()
             ChuckNorris = new ChuckNorrisFaker(this);
             Coffee = new CoffeeFaker(this);
             Color = new ColorFaker(this);
+            Commerce = new CommerceFaker(this);
             Company = new CompanyFaker(this);
             Date = new DateFaker();
             DragonBall = new DragonBallFaker(this);
@@ -116,6 +118,7 @@ public FakerContainer()
         public IChuckNorrisFaker ChuckNorris { get; }
         public ICoffeeFaker Coffee { get; }
         public IColorFaker Color { get; }
+        public ICommerceFaker Commerce { get; }
         public ICompanyFaker Company { get; }
         public IDateFaker Date { get; }
         public IDragonBallFaker DragonBall { get; }

src/FakerDotNet/Fakers/CommerceFaker.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Linq;
+using System.Text;
+using FakerDotNet.Data;
+
+namespace FakerDotNet.Fakers
+{
+    public interface ICommerceFaker
+    {
+        string Color();
+        string Department(int max = 3, bool fixedAmount = false);
+        string Material();
+        string ProductName();
+        string Price(Range<double> range = null);
+        string PromotionCode(int digits = 6);
+    }
+
+    internal class CommerceFaker : ICommerceFaker
+    {
+        private readonly IFakerContainer _fakerContainer;
+
+        public CommerceFaker(IFakerContainer fakerContainer)
+        {
+            _fakerContainer = fakerContainer;
+        }
+
+        public string Color()
+        {
+            return _fakerContainer.Color.ColorName();
+        }
+
+        public string Department(int max = 3, bool fixedAmount = false)
+        {
+            var num = fixedAmount ? max : Convert.ToInt32(_fakerContainer.Number.Between(1, max));
+
+            if (num <= 1) return _fakerContainer.Random.Element(CommerceData.Departments);
+
+            var departments = _fakerContainer.Random.Assortment(CommerceData.Departments, num).ToArray();
+
+            return string.Join(" & ",
+                string.Join(", ", departments.Take(departments.Length - 1)),
+                departments.Last());
+        }
+
+        public string Material()
+        {
+            return _fakerContainer.Random.Element(CommerceData.Materials);
+        }
+
+        public string ProductName()
+        {
+            return string.Join(" ",
+                _fakerContainer.Random.Element(CommerceData.ProductAdjectives),
+                _fakerContainer.Random.Element(CommerceData.Materials),
+                _fakerContainer.Random.Element(CommerceData.ProductNames));
+        }
+
+        public string Price(Range<double> range = null)
+        {
+            range = range ?? new Range<double>(0, 100);
+            return _fakerContainer.Number.Between(range.Minimum, range.Maximum).ToString("#.##");
+        }
+
+        public string PromotionCode(int digits = 6)
+        {
+            return string.Join("",
+                _fakerContainer.Random.Element(CommerceData.PromotionCodeAdjectives),
+                _fakerContainer.Random.Element(CommerceData.PromotionCodeNouns),
+                _fakerContainer.Number.Number(digits));
+        }
+    }
+}

tests/FakerDotNet.Tests/FakerContainerTests.cs

@@ -87,6 +87,12 @@ public void Color_returns_IColorFaker()
             Assert.IsInstanceOf<IColorFaker>(_fakerContainer.Color);
         }
 
+        [Test]
+        public void Commerce_returns_ICommerceFaker()
+        {
+            Assert.IsInstanceOf<ICommerceFaker>(_fakerContainer.Commerce);
+        }
+
         [Test]
         public void Company_returns_ICompanyFaker()
         {

tests/FakerDotNet.Tests/FakerTests.cs

@@ -79,6 +79,12 @@ public void Color_returns_IColorFaker()
             Assert.IsInstanceOf<IColorFaker>(Faker.Color);
         }
 
+        [Test]
+        public void Commerce_returns_ICommerceFaker()
+        {
+            Assert.IsInstanceOf<ICommerceFaker>(Faker.Commerce);
+        }
+
         [Test]
         public void Company_returns_ICompanyFaker()
         {