diff --git a/URL-Shortener/Controllers/ShortUrlController.cs b/URL-Shortener/Controllers/ShortUrlController.cs
index ad58ccc..876a657 100644
--- a/URL-Shortener/Controllers/ShortUrlController.cs
+++ b/URL-Shortener/Controllers/ShortUrlController.cs
@@ -70,6 +70,8 @@ namespace URL_Shortener.Controllers
if (dto.ResetExpirationDateTime)
shortUrl.ExpirationDateTime = null;
+ shortUrl.UpdateDateTime = DateTime.UtcNow;
+
await _db.SaveChangesAsync();
return Ok(shortUrl);
diff --git a/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.Designer.cs b/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.Designer.cs
new file mode 100644
index 0000000..15f162c
--- /dev/null
+++ b/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.Designer.cs
@@ -0,0 +1,119 @@
+//
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using URL_Shortener;
+
+#nullable disable
+
+namespace URL_Shortener.Migrations
+{
+ [DbContext(typeof(AppDbContext))]
+ [Migration("20260514100330_AddUpdateDateTime")]
+ partial class AddUpdateDateTime
+ {
+ ///
+ protected override void BuildTargetModel(ModelBuilder modelBuilder)
+ {
+#pragma warning disable 612, 618
+ modelBuilder
+ .HasAnnotation("ProductVersion", "10.0.7")
+ .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+ NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+ modelBuilder.Entity("URL_Shortener.Models.ClickInfo", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("integer");
+
+ NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property("Id"));
+
+ b.Property("ClickDateTime")
+ .HasColumnType("timestamp with time zone");
+
+ b.Property("ShortUrlId")
+ .HasColumnType("integer");
+
+ b.HasKey("Id");
+
+ b.ToTable("ClickInfos");
+ });
+
+ modelBuilder.Entity("URL_Shortener.Models.ShortUrl", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("integer");
+
+ NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property("Id"));
+
+ b.Property("ClickLimit")
+ .HasColumnType("integer");
+
+ b.Property("CreationDateTime")
+ .HasColumnType("timestamp with time zone");
+
+ b.Property("ExpirationDateTime")
+ .HasColumnType("timestamp with time zone");
+
+ b.Property("OriginalUrl")
+ .IsRequired()
+ .HasColumnType("text");
+
+ b.Property("ShortCode")
+ .IsRequired()
+ .HasColumnType("text");
+
+ b.Property("TotalClickCount")
+ .HasColumnType("integer");
+
+ b.Property("UpdateDateTime")
+ .HasColumnType("timestamp with time zone");
+
+ b.Property("UserId")
+ .HasColumnType("integer");
+
+ b.HasKey("Id");
+
+ b.ToTable("ShortUrls");
+ });
+
+ modelBuilder.Entity("URL_Shortener.Models.User", b =>
+ {
+ b.Property("Id")
+ .ValueGeneratedOnAdd()
+ .HasColumnType("integer");
+
+ NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property("Id"));
+
+ b.Property("Email")
+ .IsRequired()
+ .HasColumnType("text");
+
+ b.Property("HashedPassword")
+ .IsRequired()
+ .HasColumnType("text");
+
+ b.Property("LastLoginDate")
+ .HasColumnType("timestamp with time zone");
+
+ b.Property("Name")
+ .IsRequired()
+ .HasColumnType("text");
+
+ b.Property("RegisterDate")
+ .HasColumnType("timestamp with time zone");
+
+ b.HasKey("Id");
+
+ b.ToTable("Users");
+ });
+#pragma warning restore 612, 618
+ }
+ }
+}
diff --git a/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.cs b/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.cs
new file mode 100644
index 0000000..b3235c5
--- /dev/null
+++ b/URL-Shortener/Migrations/20260514100330_AddUpdateDateTime.cs
@@ -0,0 +1,30 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace URL_Shortener.Migrations
+{
+ ///
+ public partial class AddUpdateDateTime : Migration
+ {
+ ///
+ protected override void Up(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.AddColumn(
+ name: "UpdateDateTime",
+ table: "ShortUrls",
+ type: "timestamp with time zone",
+ nullable: false,
+ defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+ }
+
+ ///
+ protected override void Down(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.DropColumn(
+ name: "UpdateDateTime",
+ table: "ShortUrls");
+ }
+ }
+}
diff --git a/URL-Shortener/Migrations/AppDbContextModelSnapshot.cs b/URL-Shortener/Migrations/AppDbContextModelSnapshot.cs
index 960df17..aee394e 100644
--- a/URL-Shortener/Migrations/AppDbContextModelSnapshot.cs
+++ b/URL-Shortener/Migrations/AppDbContextModelSnapshot.cs
@@ -69,6 +69,9 @@ namespace URL_Shortener.Migrations
b.Property("TotalClickCount")
.HasColumnType("integer");
+ b.Property("UpdateDateTime")
+ .HasColumnType("timestamp with time zone");
+
b.Property("UserId")
.HasColumnType("integer");
diff --git a/URL-Shortener/Models/ShortUrl.cs b/URL-Shortener/Models/ShortUrl.cs
index a9acb15..5036b7e 100644
--- a/URL-Shortener/Models/ShortUrl.cs
+++ b/URL-Shortener/Models/ShortUrl.cs
@@ -8,6 +8,7 @@
public string ShortCode { get; set; } = string.Empty;
public int TotalClickCount { get; set; }
public DateTime CreationDateTime { get; set; } = DateTime.UtcNow;
+ public DateTime UpdateDateTime { get; set; } = DateTime.UtcNow;
public DateTime? ExpirationDateTime { get; set; } = null;
public int ClickLimit { get; set; } = 0;
}