Implemented the mentor's backend.

Common/OJS.Common/Enumerations/MentorMessageRole.cs

@@ -0,0 +1,11 @@
+namespace OJS.Common.Enumerations;
+
+public enum MentorMessageRole
+{
+    System,
+    User,
+    Assistant,
+    Tool,
+    Function,
+    Information,
+}

Common/OJS.Common/Enumerations/OpenAiModels.cs

@@ -0,0 +1,14 @@
+namespace OJS.Common.Enumerations;
+
+public enum OpenAIModels
+{
+    Gpt4o,
+    Gpt4oMini,
+    O1Preview,
+    O1Mini,
+    Gpt35Turbo,
+    TextEmbedding3Small,
+    TextEmbedding3Large,
+    DallE3,
+    Whisper
+}

Common/OJS.Common/Extensions/OpenAiModelExtensions.cs

@@ -0,0 +1,21 @@
+namespace OJS.Common.Extensions;
+
+using System;
+using OJS.Common.Enumerations;
+
+public static class OpenAiModelExtensions
+{
+    public static string ToModelString(this OpenAIModels model) => model switch
+    {
+        OpenAIModels.Gpt4o => "gpt-4o",
+        OpenAIModels.Gpt4oMini => "gpt-4o-mini",
+        OpenAIModels.O1Preview => "o1-preview",
+        OpenAIModels.O1Mini => "o1-mini",
+        OpenAIModels.Gpt35Turbo => "gpt-3.5-turbo",
+        OpenAIModels.TextEmbedding3Small => "text-embedding-3-small",
+        OpenAIModels.TextEmbedding3Large => "text-embedding-3-large",
+        OpenAIModels.DallE3 => "dall-e-3",
+        OpenAIModels.Whisper => "whisper",
+        _ => throw new ArgumentOutOfRangeException(nameof(model), "The provided mentor model is invalid."),
+    };
+}

Common/OJS.Common/GlobalConstants.cs

@@ -146,6 +146,13 @@ public static class Submissions
 
         public static class Settings
         {
+            public const string Mentor = "Mentor";
+            public const string MentorModel = "MentorModel";
+            public const int MentorMessagesSentCount = 10;
+            public const int MentorMaxInputTokenCount = 4096;
+            public const int MentorMaxOutputTokenCount = 2048;
+            public const int MentorQuotaLimit = 15;
+            public const int MentorQuotaResetTimeInMinutes = 120;
             public const string MaxSubmissionTimeToExecuteAllowedForBatchRetest = "MaxSubmissionTimeToExecuteAllowedForBatchRetest";
             public const string MaxSubmissionsCountAllowedForBatchRetest = "MaxSubmissionsCountAllowedForBatchRetest";
             public const string MaxWorkersWorkingTimeInSeconds = "MaxWorkersWorkingTimeInSeconds";

Data/OJS.Data.Models/Contests/ContestCategory.cs

@@ -21,6 +21,8 @@ public class ContestCategory : DeletableAuditInfoEntity<int>, IOrderableEntity,
 
         public bool IsVisible { get; set; }
 
+        public bool AllowMentor { get; set; }
+
         [InverseProperty(nameof(Parent))]
         public virtual ICollection<ContestCategory> Children { get; set; } = new HashSet<ContestCategory>();
 

Data/OJS.Data.Models/Mentor/UserMentor.cs

@@ -6,19 +6,19 @@
 using OJS.Data.Models.Common;
 using OJS.Data.Models.Users;
 
-public class UserMentor : IEntity
+public class UserMentor : IEntity<string>
 {
     [Key]
     [ForeignKey(nameof(User))]
-    public string UserId { get; set; } = default!;
+    public string Id { get; set; } = default!;
 
     public virtual UserProfile User { get; set; } = null!;
 
     public DateTimeOffset QuotaResetTime { get; set; }
 
     public int RequestsMade { get; set; }
 
-    public int QuotaLimit { get; set; }
+    public int? QuotaLimit { get; set; }
 
     public DateTime CreatedOn { get; set; }