50 lines
1.4 KiB
C#
50 lines
1.4 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 UserNotepad
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{
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[BsonId, BsonRepresentation(BsonType.ObjectId)] public string? Id { get; set; }
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public string UserId { get; set; } = "";
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public string Content { get; set; } = "";
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public long Revision { get; set; }
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public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
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public DateTime UpdatedUtc { get; set; } = DateTime.UtcNow;
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}
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public sealed class UpdateUserNotepadRequest
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{
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public string Content { get; set; } = "";
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public long ExpectedRevision { get; set; }
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}
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public sealed class UserNotepadResponse
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{
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public string Content { get; set; } = "";
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public long Revision { get; set; }
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public DateTime? UpdatedUtc { get; set; }
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public static UserNotepadResponse Empty() => new();
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public static UserNotepadResponse FromModel(UserNotepad note) => new()
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{
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Content = note.Content,
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Revision = note.Revision,
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UpdatedUtc = note.UpdatedUtc
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};
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}
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public static class UserNotepadValidator
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{
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public const int MaxContentLength = 50_000;
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public static string? Validate(UpdateUserNotepadRequest request)
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{
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if (request.ExpectedRevision < 0) return "expectedRevision cannot be negative";
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if ((request.Content ?? "").Length > MaxContentLength)
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return $"content must be {MaxContentLength} characters or fewer";
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return null;
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}
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}
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