Starting work on Shared Files

RelayShared/.gitignore

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+############################################
+# .NET Build
+############################################
+
+bin/
+obj/
+out/
+publish/
+
+############################################
+# Visual Studio
+############################################
+
+.vs/
+*.user
+*.suo
+*.userprefs
+*.csproj.user
+*.dbmdl
+*.cache
+*.pdb
+*.opendb
+
+############################################
+# Rider / JetBrains
+############################################
+
+.idea/
+*.sln.iml
+
+############################################
+# VSCode
+############################################
+
+.vscode/
+
+############################################
+# NuGet
+############################################
+
+*.nupkg
+*.snupkg
+packages/
+.nuget/
+.nuget/packages/
+
+############################################
+# Logs
+############################################
+
+*.log
+logs/
+
+############################################
+# OS files
+############################################
+
+.DS_Store
+Thumbs.db
+
+############################################
+# Local secrets / environment
+############################################
+
+.env
+.env.*
+secrets.json
+appsettings.Development.json
+
+############################################
+# E2EE private keys
+############################################
+
+keys/*
+!keys/.gitkeep
+
+############################################
+# Local test databases / data folders
+############################################
+
+data/
+*.db
+*.sqlite
+*.sqlite3
+
+############################################
+# Temporary files
+############################################
+
+*.tmp
+*.temp
+*.bak
+*.swp

RelayShared/Class1.cs

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+namespace RelayShared;
+
+public class Class1
+{
+    public Class1()
+    {
+        return;
+    }
+}

RelayShared/RelayShared.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="SurrealDb.Net" Version="0.9.0" />
+    </ItemGroup>
+
+</Project>

RelayShared/Rtc/RtcModels.cs

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+using SurrealDb.Net.Models;
+
+namespace RelayShared.Rtc;
+
+public class RtcSignalTypes
+{
+    public const string Offer = "rtc_offer";
+    public const string Answer = "rtc_answer";
+    public const string Candidate = "rtc_candidate";
+    public const string OfferUpdated = "rtc_offer_updated";
+    public const string AnswerUpdated = "rtc_answer_updated";
+}
+
+public class RtcJoinRequest
+{
+    public required string ChannelId { get; set; }
+    public required string Username { get; set; }
+}
+
+public sealed class RtcSessionDescription
+{
+    public required string Type { get; set; }
+    public required string Sdp { get; set; }
+}
+
+public class RtcOffer : Record
+{
+    public required string ChannelId { get; set; }
+    public required string Username { get; set; }
+    public required RtcSessionDescription SessionDescription { get; set; }
+    // public required string Type { get; set; }
+    // public required string Sdp { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+}
+
+public class RtcLeaveRequest
+{
+    public required string ChannelId { get; set; }
+    public required string Username { get; set; }
+}
+
+public class RtcJoinResponse
+{
+    public required string ChannelId { get; set; }
+    public bool HasActiveCall { get; set; }
+    public bool IsOfferer { get; set; }
+    public string? OfferUser { get; set; }
+    public string? OfferSdp { get; set; }
+}
+
+public class RtcIceCandidate : Record
+{
+    public required string ChannelId { get; set; }
+    public required string Username { get; set; }
+    public required string Candidate { get; set; }
+    public string? SdpMid { get; set; }
+    public int? SdpMLineIndex { get; set; }
+    // public required string Direction { get; set; } // "offer" or "answer"
+    public DateTime CreatedAt { get; set; }
+}
+
+public class DBIceCandidate
+{
+    public required string ChannelId { get; set; }
+    public required string Username { get; set; }
+    public required IceCandidate Candidate { get; set; }
+}
+
+public class IceCandidate
+{
+    public required string candidate { get; set; }
+    public required string sdpMid { get; set; }
+    public required int sdpMLineIndex { get; set; }
+    public required string usernameFragment { get; set; }
+    
+}
+
+public class RtcAnswer : Record
+{
+    public required string ChannelId { get; set; }
+    public required string OfferUser { get; set; }
+    public required string AnswerUser { get; set; }
+    public required string Sdp { get; set; }
+    public DateTime CreatedAt { get; set; }
+}
+
+public sealed class RtcActiveCall : Record
+{
+    public required string ChannelId { get; set; }
+    public string? OfferUser { get; set; }
+    public RtcSessionDescription? Offer { get; set; }
+    public RtcSessionDescription? Answer { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+    public bool IsActive { get; set; }
+}

RelayShared/Rtc/RtcServices.cs

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+namespace RelayShared.Rtc;
+
+public class RtcServices
+{
+    
+}