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https://github.com/DorkSquadRR/DorkNet.git
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Alexa
63 lines
2.8 KiB
C#
63 lines
2.8 KiB
C#
using DorkNet.Server.Data;
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using DorkNet.Server.Data.Entities;
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using Microsoft.EntityFrameworkCore;
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namespace DorkNet.Server.Services;
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/// <summary>
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/// Effective-friend resolution that honors the
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/// <see cref="ServerSettingsEntity.GlobalFriendsEnabled"/> toggle.
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///
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/// When the toggle is ON, every account on the server is treated as a
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/// friend of every other account WITHOUT writing any relationship rows —
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/// the friend graph is synthesized at read time. This keeps a small private
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/// server frictionless (no searching + manual friend requests) and reverts
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/// instantly when the toggle flips off, since nothing was persisted.
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///
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/// Blocked relationships still suppress the pairing, and the system/coach
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/// account (<see cref="SystemAccountId"/>) is never offered as a friend.
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///
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/// Live propagation: flipping the toggle broadcasts
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/// <c>PushNotificationId.RelationshipsInvalid</c>, which the 2020 watch
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/// handles by calling <c>Relationships.RefreshList</c> — a full re-fetch of
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/// <c>api/relationships/v2/get</c> — so connected players see the change
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/// without relogging (verified against the readable March decompile:
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/// <c>RecNet/Relationships.txt → OnRelationshipsInvalid → RefreshList</c>).
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/// </summary>
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public static class RelationshipQueries
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{
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/// <summary>Coach/system account seeded at startup (Player.Id = 1).
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/// Excluded from the global-friends set so it never shows up as a
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/// friend in anyone's list.</summary>
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public const long SystemAccountId = 1;
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/// <summary>The effective friend ids for <paramref name="me"/>. With the
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/// global-friends toggle off this is the real Friend graph; with it on
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/// it's every other (non-system, non-blocked) account.</summary>
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public static async Task<List<long>> EffectiveFriendIdsAsync(
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DorkNetDbContext db, ServerSettingsService settings, long me)
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{
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if (!await settings.IsGlobalFriendsEnabledAsync())
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{
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return await db.Relationships
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.Where(r => r.Status == RelationshipStatus.Friend &&
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(r.RequesterId == me || r.TargetId == me))
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.Select(r => r.RequesterId == me ? r.TargetId : r.RequesterId)
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.ToListAsync();
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}
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// Global friends: everyone except myself, the system account, and
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// anyone in a Blocked relationship with me (either direction).
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var blocked = await db.Relationships
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.Where(r => r.Status == RelationshipStatus.Blocked &&
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(r.RequesterId == me || r.TargetId == me))
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.Select(r => r.RequesterId == me ? r.TargetId : r.RequesterId)
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.ToListAsync();
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return await db.Players
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.Where(p => p.Id != me && p.Id != SystemAccountId && !blocked.Contains(p.Id))
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.Select(p => p.Id)
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.ToListAsync();
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}
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}
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