Okane ismael day one

Okane.Application/ExpenseService.cs

@@ -1,3 +1,4 @@
+using System.Reflection.Metadata.Ecma335;
 using Okane.Domain;
 
 namespace Okane.Application;
@@ -9,12 +10,16 @@ public class ExpenseService : IExpenseService
     public ExpenseService(IExpensesRepository expenses) => 
         _expenses = expenses;
 
-    public Expense RegisterExpense(Expense expense)
+    public Expense? RegisterExpense(Expense expense)
     {
         _expenses.Add(expense);
         return expense;
     }
 
+    public Expense? RemoveExpense(int id) {
+        return _expenses.Remove(id);
+    }
+
     public IEnumerable<Expense> RetrieveAll() => 
         _expenses.All();
 }

Okane.Application/IExpenseService.cs

@@ -5,5 +5,6 @@ namespace Okane.Application;
 public interface IExpenseService
 {
     Expense RegisterExpense(Expense expense);
+    Expense RemoveExpense(int id);
     IEnumerable<Expense> RetrieveAll();
 }

Okane.Application/IExpensesRepository.cs

@@ -5,5 +5,7 @@ namespace Okane.Application;
 public interface IExpensesRepository
 {
     void Add(Expense expense);
+    Expense? Get(int id);
+    Expense? Remove(int id);
     IEnumerable<Expense> All();
 }

Okane.Application/InMemoryExpensesRepository.cs

@@ -1,3 +1,4 @@
+using System.Linq.Expressions;
 using Okane.Domain;
 
 namespace Okane.Application;
@@ -20,6 +21,32 @@ public void Add(Expense expense)
         expense.Id = _nextId++;
         _expenses.Add(expense);
     }
+    public Expense? Get(int id)
+    {
+        for(int i = 0; i < _expenses.Count; i++){
+            if(_expenses[i].Id == id)
+                return _expenses[i];
+        }
+
+        return null;
+    }
+
+
+    public Expense? Remove(int id)
+    {
+        Expense expense;
+
+        for(int i = 0; i < _expenses.Count; i++){
+            if(_expenses[i].Id == id){
+                expense = _expenses[i];
+                _expenses.RemoveAt(i);
+                _nextId--;
+                return expense;
+            }
+        }
+
+        return null;
+    }
 
     public IEnumerable<Expense> All() => _expenses;
 }

Okane.Application/Okane.Application.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>

Okane.Domain/Expense.cs

@@ -5,4 +5,5 @@ public class Expense
     public int Id { get; set; }
     public int Amount { get; set; }
     public required string Category { get; set; }
+    public required string Description { get; set; }
 }

Okane.Domain/Okane.Domain.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>

Okane.Tests/ExpensesServiceTests.cs

@@ -19,12 +19,14 @@ public void RegisterExpense()
         var expense = _expenseService.RegisterExpense(new Expense
         {
             Category = "Groceries",
-            Amount = 10
+            Amount = 10,
+            Description = "Presidente Light 16Onz"
         });
 
         Assert.Equal(1, expense.Id);
         Assert.Equal(10, expense.Amount);
         Assert.Equal("Groceries", expense.Category);
+        Assert.Equal("Presidente Light 16Onz", expense.Description);
     }
 
     [Fact]
@@ -33,13 +35,15 @@ public void RetrieveAllExpenses()
         _expenseService.RegisterExpense(new Expense
         {
             Category = "Groceries",
-            Amount = 10
+            Amount = 10,
+            Description = "Alturo Fuente, churchill, maduro."
         });
 
         _expenseService.RegisterExpense(new Expense
         {
             Category = "Entertainment",
-            Amount = 20
+            Amount = 20,
+            Description = "Presidente Light 16Onz"
         });
 
         var allExpenses = _expenseService.RetrieveAll()
@@ -50,4 +54,30 @@ public void RetrieveAllExpenses()
         var firstExpense = allExpenses.First();
         Assert.Equal(10, firstExpense.Amount);
     }
+
+    [Fact]
+    public void DeleteExpense()
+    {
+        _expenseService.RegisterExpense(new Expense
+        {
+            Category = "Groceries",
+            Amount = 10,
+            Description = "Alturo Fuente, churchill, maduro."
+        });
+
+        _expenseService.RegisterExpense(new Expense
+        {
+            Category = "Entertainment",
+            Amount = 20,
+            Description = "Presidente Light 16Onz"
+        });
+
+        var expense = _expenseService.RemoveExpense(1);
+
+        var allExpenses = _expenseService.RetrieveAll()
+            .ToArray();
+
+        Assert.Equal(1, allExpenses.Length);
+        Assert.Equal("Alturo Fuente, churchill, maduro.", expense.Description);
+    }
 }

Okane.Tests/Okane.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
 

Okane.WebApi/Controllers/ExpensesController.cs

@@ -20,4 +20,8 @@ public ExpensesController(IExpenseService expensesService) =>
     // GET /expenses
     [HttpGet]
     public IEnumerable<Expense> Get() => _expensesService.RetrieveAll();
+
+    // POST /expenses
+    [HttpDelete]
+    public Expense Delete(int id) => _expensesService.RemoveExpense(id);
 }

Okane.WebApi/Okane.WebApi.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>