Added my project

DrinksInfo.Ledana/DrinksInfo.Ledana.slnx

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+<Solution>
+  <Project Path="DrinksInfo.Ledana/DrinksInfo.Ledana.csproj" />
+</Solution>

DrinksInfo.Ledana/DrinksInfo.Ledana/Controllers/FavouriteDrinkController.cs

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+using DrinksInfo.Ledana.Data;
+using DrinksInfo.Ledana.Models;
+
+namespace DrinksInfo.Ledana.Controllers
+{
+    internal class FavouriteDrinkController
+    {
+        internal static void AddDrinkToFavourites(DrinkDetail favouriteDrink)
+        {
+            try
+            {
+                using var context = new FavouritesDrinkContext();
+                context.FavouriteDrinks.Add(favouriteDrink);
+                context.SaveChanges();
+            }
+            catch(Exception e)
+            {
+                Console.WriteLine("Something went wrong! " + e.Message);
+            }
+        }
+
+        internal static async Task DeleteAllFavourites()
+        {
+            try
+            { 
+            using var context = new FavouritesDrinkContext();
+            context.FavouriteDrinks.RemoveRange(context.FavouriteDrinks);
+            await context.SaveChangesAsync();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Something went wrong! " + e.Message);
+            }
+        }
+
+        internal static void DeleteFavourite(string? drink)
+        {
+            try
+            {
+                using var context = new FavouritesDrinkContext();
+                var drinkToDelete = context.FavouriteDrinks.Where(d => d.idDrink == drink).First();
+                context.FavouriteDrinks.Remove(drinkToDelete);
+                context.SaveChanges();
+            }
+            catch(Exception e)
+            {
+                Console.WriteLine("Something went wrong! " + e.Message);
+            }
+}
+
+        internal static List<DrinkDetail> GetFavouriteDrinks()
+        {
+            try
+            {
+                using var context = new FavouritesDrinkContext();
+                return context.FavouriteDrinks.ToList();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Something went wrong! " + e.Message);
+                return null;
+            }
+        }
+
+        internal static bool HasDrink(string? drink)
+        {
+            try
+            {
+                using var context = new FavouritesDrinkContext();
+                return context.FavouriteDrinks.Any(d => d.idDrink == drink);
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Something went wrong! " + e.Message);
+                return false;
+            }
+        }
+    }
+}

DrinksInfo.Ledana/DrinksInfo.Ledana/Data/FavouritesDrinkContext.cs

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+using DrinksInfo.Ledana.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+
+namespace DrinksInfo.Ledana.Data
+{
+    internal class FavouritesDrinkContext : DbContext
+    {
+        public DbSet<DrinkDetail> FavouriteDrinks { get; set; }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            var config = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appSettings.json", optional: false, reloadOnChange: true)
+                .Build();
+
+            var connectionString = config.GetConnectionString("FavouriteDrinksDb");
+
+            optionsBuilder.UseSqlServer(connectionString);
+        }
+    }
+}

DrinksInfo.Ledana/DrinksInfo.Ledana/DrinksInfo.Ledana.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="10.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.5-beta1" />
+    <PackageReference Include="Spectre.Console" Version="0.55.3-alpha.0.7" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="9.0.15" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="appSettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>