51 lines
1.9 KiB
C#
51 lines
1.9 KiB
C#
using MongoDB.Bson;
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using MongoDB.Bson.Serialization.Attributes;
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namespace QuestionsApi.Models;
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public sealed class UserStudyProfile
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{
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[BsonId]
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[BsonRepresentation(BsonType.ObjectId)]
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public string? Id { get; set; }
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public string UserId { get; set; } = "";
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public DateTime? TargetExamDate { get; set; }
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public string PreparationStage { get; set; } = "pre_dedicated";
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public int WeeklyGoalHours { get; set; } = 10;
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public string PreferredStudyMode { get; set; } = "mixed";
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public int Revision { get; set; }
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public DateTime UpdatedUtc { get; set; } = DateTime.UtcNow;
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}
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public sealed class UpdateUserStudyProfileRequest
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{
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public DateTime? TargetExamDate { get; set; }
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public string PreparationStage { get; set; } = "pre_dedicated";
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public int WeeklyGoalHours { get; set; } = 10;
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public string PreferredStudyMode { get; set; } = "mixed";
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}
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public sealed class DeletedUserTombstone
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{
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[BsonId]
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public string UserId { get; set; } = "";
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public DateTime DeletedUtc { get; set; } = DateTime.UtcNow;
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}
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public static class UserStudyProfileValidator
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{
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private static readonly HashSet<string> Stages = ["pre_dedicated", "dedicated", "final_review"];
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private static readonly HashSet<int> Goals = [5, 10, 15, 20, 25];
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private static readonly HashSet<string> Modes = ["mixed", "question_bank", "ccs", "exam_simulation"];
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public static string? Validate(UpdateUserStudyProfileRequest request)
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{
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if (!Stages.Contains(request.PreparationStage)) return "Invalid preparation stage.";
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if (!Goals.Contains(request.WeeklyGoalHours)) return "Weekly goal must be 5, 10, 15, 20, or 25 hours.";
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if (!Modes.Contains(request.PreferredStudyMode)) return "Invalid preferred study mode.";
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if (request.TargetExamDate?.Kind == DateTimeKind.Local)
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request.TargetExamDate = request.TargetExamDate.Value.ToUniversalTime();
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return null;
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}
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}
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