feat: Define data models and set up DB connection with Dapper

src/Mercados.Api/Mercados.Api.csproj

@@ -7,7 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="FluentMigrator.Runner" Version="7.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.5" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.1" />
   </ItemGroup>
 
   <ItemGroup>

src/Mercados.Api/Program.cs

@@ -1,41 +1,31 @@
+// Importamos los namespaces necesarios
+using Mercados.Infrastructure;
+using Mercados.Infrastructure.Persistence;
+
 var builder = WebApplication.CreateBuilder(args);
 
+// 1. Registramos nuestra fábrica de conexiones como un Singleton.
+// Solo se creará una instancia que leerá la configuration una vez.
+builder.Services.AddSingleton<IDbConnectionFactory, SqlConnectionFactory>();
+
 // Add services to the container.
-// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddControllers();
-builder.Services.AddOpenApi();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
 
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
-    app.MapOpenApi();
+    app.UseSwagger();
+    app.UseSwaggerUI();
 }
 
 app.UseHttpsRedirection();
 
-var summaries = new[]
+app.UseAuthorization();
-{
-    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-};
 
-app.MapGet("/weatherforecast", () =>
+app.MapControllers();
-{
-    var forecast =  Enumerable.Range(1, 5).Select(index =>
-        new WeatherForecast
-        (
-            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-            Random.Shared.Next(-20, 55),
-            summaries[Random.Shared.Next(summaries.Length)]
-        ))
-        .ToArray();
-    return forecast;
-})
-.WithName("GetWeatherForecast");
 
 app.Run();
-
-record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
-{
-    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-}

src/Mercados.Api/appsettings.json

@@ -5,5 +5,8 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "DefaultConnection": "Server=TECNICA3;Database=MercadosDb;User Id=mercadosuser;Password=@mercados1351@;Trusted_Connection=False;Encrypt=False;"
+  }
 }

src/Mercados.Core/Class1.cs

@@ -1,6 +0,0 @@
-namespace Mercados.Core;
-
-public class Class1
-{
-
-}

src/Mercados.Core/Entities/CotizacionBolsa.cs

@@ -0,0 +1,14 @@
+namespace Mercados.Core.Entities
+{
+  public class CotizacionBolsa
+  {
+    public long Id { get; set; }
+    public string Ticker { get; set; } = string.Empty; // "AAPL", "GGAL.BA", etc.
+    public string Mercado { get; set; } = string.Empty; // "EEUU" o "Local"
+    public decimal PrecioActual { get; set; }
+    public decimal Apertura { get; set; }
+    public decimal CierreAnterior { get; set; }
+    public decimal PorcentajeCambio { get; set; }
+    public DateTime FechaRegistro { get; set; }
+  }
+}

src/Mercados.Core/Entities/CotizacionGanado.cs

@@ -0,0 +1,18 @@
+namespace Mercados.Core.Entities
+{
+  public class CotizacionGanado
+  {
+    public long Id { get; set; }
+    public string Categoria { get; set; } = string.Empty;
+    public string Especificaciones { get; set; } = string.Empty;
+    public decimal Maximo { get; set; }
+    public decimal Minimo { get; set; }
+    public decimal Promedio { get; set; }
+    public decimal Mediano { get; set; }
+    public int Cabezas { get; set; }
+    public int KilosTotales { get; set; }
+    public int KilosPorCabeza { get; set; }
+    public decimal ImporteTotal { get; set; }
+    public DateTime FechaRegistro { get; set; }
+  }
+}

src/Mercados.Core/Entities/CotizacionGrano.cs

@@ -0,0 +1,12 @@
+namespace Mercados.Core.Entities
+{
+  public class CotizacionGrano
+  {
+    public long Id { get; set; }
+    public string Nombre { get; set; } = string.Empty; // "Soja", "Trigo", etc.
+    public decimal Precio { get; set; }
+    public decimal VariacionPrecio { get; set; }
+    public DateTime FechaOperacion { get; set; }
+    public DateTime FechaRegistro { get; set; }
+  }
+}

src/Mercados.Core/Entities/FuenteDato.cs

@@ -0,0 +1,10 @@
+namespace Mercados.Core.Entities
+{
+  public class FuenteDato
+  {
+    public long Id { get; set; }
+    public string Nombre { get; set; } = string.Empty; // "BCR", "Finnhub", "YahooFinance", "MercadoAgroganadero"
+    public DateTime UltimaEjecucionExitosa { get; set; }
+    public string? Url { get; set; }
+  }
+}

src/Mercados.Database/Mercados.Database.csproj

@@ -6,4 +6,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="FluentMigrator" Version="7.1.0" />
+    <PackageReference Include="FluentMigrator.Runner" Version="7.1.0" />
+  </ItemGroup>
+
 </Project>

src/Mercados.Infrastructure/Mercados.Infrastructure.csproj

@@ -4,6 +4,12 @@
     <ProjectReference Include="..\Mercados.Core\Mercados.Core.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.66" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="6.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
+  </ItemGroup>
+
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>

src/Mercados.Infrastructure/Persistence/IDbConnectionFactory.cs

@@ -0,0 +1,9 @@
+using System.Data;
+
+namespace Mercados.Infrastructure.Persistence
+{
+  public interface IDbConnectionFactory
+  {
+    IDbConnection CreateConnection();
+  }
+}

src/Mercados.Infrastructure/Persistence/SqlConnectionFactory.cs

@@ -0,0 +1,24 @@
+using Mercados.Infrastructure.Persistence;
+using Microsoft.Data.SqlClient;
+using Microsoft.Extensions.Configuration;
+using System.Data;
+
+namespace Mercados.Infrastructure
+{
+  public class SqlConnectionFactory : IDbConnectionFactory
+  {
+    private readonly string _connectionString;
+
+    public SqlConnectionFactory(IConfiguration configuration)
+    {
+      _connectionString = configuration.GetConnectionString("DefaultConnection")
+          ?? throw new ArgumentNullException(nameof(configuration), "La cadena de conexión 'DefaultConnection' no fue encontrada.");
+    }
+
+    public IDbConnection CreateConnection()
+    {
+      // Dapper se encargará de abrir y cerrar la conexión automáticamente.
+      return new SqlConnection(_connectionString);
+    }
+  }
+}