add new

RS_system/Models/DetalleColaboracion.cs

@@ -0,0 +1,44 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Rs_system.Models;
+
+[Table("detalle_colaboraciones", Schema = "public")]
+public class DetalleColaboracion
+{
+    [Key]
+    [Column("id")]
+    public long Id { get; set; }
+    
+    [Required]
+    [Column("colaboracion_id")]
+    public long ColaboracionId { get; set; }
+    
+    [Required]
+    [Column("tipo_colaboracion_id")]
+    public long TipoColaboracionId { get; set; }
+    
+    [Required]
+    [Range(1, 12)]
+    [Column("mes")]
+    public int Mes { get; set; }
+    
+    [Required]
+    [Range(2000, 2100)]
+    [Column("anio")]
+    public int Anio { get; set; }
+    
+    [Required]
+    [Column("monto")]
+    public decimal Monto { get; set; }
+    
+    [Column("creado_en")]
+    public DateTime CreadoEn { get; set; } = DateTime.UtcNow;
+    
+    // Navigation properties
+    [ForeignKey("ColaboracionId")]
+    public Colaboracion Colaboracion { get; set; } = null!;
+    
+    [ForeignKey("TipoColaboracionId")]
+    public TipoColaboracion TipoColaboracion { get; set; } = null!;
+}