the files
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niko
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using Discord;
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using LiteDB;
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using Campus_live_rewrite.api.server.Classes.db_class;
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using static Campus_live_rewrite.api.server.Classes.db_class.EventDBClasses;
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namespace Campus_live_rewrite.api.dbs
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{
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public class EventDB
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{
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public static LiteDatabase EventDBFile = new LiteDatabase(Environment.CurrentDirectory + "/Data/DBs/Events.db");
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private static ILiteCollection<FullPlayerEvent> Events => EventDBFile.GetCollection<FullPlayerEvent>("events");
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private static ulong GetNextId()
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{
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var last = Events.Query()
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.OrderByDescending(x => x.PlayerEventId)
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.FirstOrDefault();
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return last == null ? 1UL : last.PlayerEventId + 1;
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}
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public static FullPlayerEvent? GetFullEventById(ulong eventId)
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{
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return Events.FindById(eventId);
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}
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/// <summary>Apply an edit to a stored event and persist it. Null when the event is unknown.</summary>
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public static FullPlayerEvent? Mutate(ulong eventId, Action<FullPlayerEvent> edit)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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edit(ev);
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventName(ulong eventId, string NewName)
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{
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var ev = Events.FindById(eventId);
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if (ev == null)
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return null;
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ev.Name = NewName;
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventImageName(ulong eventId, string NewImageName)
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{
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var ev = Events.FindById(eventId);
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if (ev == null)
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return null;
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ev.ImageName = NewImageName;
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventDescription(ulong eventId, string newDescription)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.Description = newDescription;
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventTime(ulong eventId, DateTime start, DateTime end)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.StartTime = start;
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ev.EndTime = end;
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventAccessibility(ulong eventId, EventDBClasses.PlayerEventAccessibility accessibility)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.Accessibility = accessibility;
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Events.Update(ev);
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return ev;
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}
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public static FullPlayerEvent? SetEventTags(ulong eventId, List<string> tags)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.Tags = (tags ?? new List<string>())
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.Where(t => !string.IsNullOrWhiteSpace(t))
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.Select(t => new EventDBClasses.FullTag { Tag = t.Trim(), Type = EventDBClasses.TagType.Unknown1 })
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.ToList();
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Events.Update(ev);
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return ev;
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}
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public static List<FullPlayerEvent> SearchEventByQuery(string? query)
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{
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if (string.IsNullOrWhiteSpace(query))
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{
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return Events.Query()
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.OrderBy(e => e.StartTime)
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.ToList();
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}
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query = query.Trim();
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bool isTagSearch =
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query.StartsWith("#") ||
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query.StartsWith("%23");
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if (isTagSearch)
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{
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string tag = query
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.Replace("%23", "")
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.TrimStart('#')
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.ToLower();
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return Events
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.Find(Query.EQ("Tags.Tag", tag))
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.OrderBy(e => e.StartTime)
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.ToList();
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}
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string nameQuery = query.ToLower();
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return Events.Query()
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.Where(e =>
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e.Name != null &&
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e.Name.ToLower().Contains(nameQuery))
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.OrderBy(e => e.StartTime)
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.ToList();
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}
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/// <summary>
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/// Events scheduled in a given room. /api/playerevents/v1/room/{RoomId} used to answer
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/// a hardcoded "[]" (marked "todo db"), so a room never showed the events booked in it.
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/// </summary>
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public static List<FullPlayerEvent> GetEventsForRoom(ulong roomId)
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{
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return Events.Query()
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.Where(e => e.RoomId == roomId)
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.OrderBy(e => e.StartTime)
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.ToList();
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}
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/// <summary>
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/// Events happening right now - started, not yet ended. /api/playerevents/v1/searchlive
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/// was another hardcoded "[]", so the "live now" list was always empty however many
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/// events were running.
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/// </summary>
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public static List<FullPlayerEvent> GetLiveEvents()
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{
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var now = DateTime.UtcNow;
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return Events.Query()
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.ToList()
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.Where(e => e.StartTime.ToUniversalTime() <= now && e.EndTime.ToUniversalTime() >= now)
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.OrderBy(e => e.StartTime)
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.ToList();
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}
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/// <summary>
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/// Records a player's RSVP and keeps AttendeeCount in step with it. One response per
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/// player per event - responding again replaces the previous answer.
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/// </summary>
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public static FullPlayerEvent? SetResponse(ulong eventId, ulong playerId, PlayerEventResponseType type)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.Responses ??= new List<FullEventResponses>();
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ev.Responses.RemoveAll(r => r.PlayerId == playerId);
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if (type != PlayerEventResponseType.None)
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{
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ulong nextId = ev.Responses.Count == 0 ? 1UL : ev.Responses.Max(r => r.PlayerEventResponseId) + 1;
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ev.Responses.Add(new FullEventResponses
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{
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PlayerEventResponseId = nextId,
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PlayerEventId = eventId,
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PlayerId = playerId,
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CreatedAt = DateTime.UtcNow,
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Type = type
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});
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}
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// AttendeeCount was never maintained - it sat at 0 no matter how many people
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// responded, so every event advertised itself as empty.
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ev.AttendeeCount = ev.Responses.Count(r => r.Type == PlayerEventResponseType.Yes);
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Events.Update(ev);
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return ev;
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}
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/// <summary>
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/// Whether a player may enter an event's room, and why not when they may not.
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///
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/// Rules:
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/// - the CREATOR may join at any time, including before it starts (they have to be
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/// able to set the room up).
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/// - anyone INVITED may join at any time. An invite is a response row: the invite
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/// flow writes Pending, and Yes / Interested / No all mean the player is already
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/// part of the event, so any response row counts.
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/// - everyone else may only join once it has actually started, and not after it has
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/// ended.
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///
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/// Returns true when entry is allowed; `reason` explains a refusal for the log.
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/// </summary>
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public static bool CanPlayerJoin(FullPlayerEvent ev, ulong playerId, out string reason)
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{
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reason = "";
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if (ev.CreatorPlayerId == playerId)
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return true;
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bool invited = ev.Responses?.Any(r => r.PlayerId == playerId) == true;
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if (invited)
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return true;
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var now = DateTime.UtcNow;
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// Doors open a few minutes early so people can be in the room when it starts.
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if (now < ev.StartTime.ToUniversalTime().AddMinutes(-Campus_live_rewrite.api.server.ConfigCampus.EventEarlyJoinMinutes))
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{
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reason = $"event has not started (starts {ev.StartTime:u}, not invited)";
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return false;
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}
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if (now > ev.EndTime.ToUniversalTime())
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{
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reason = $"event already ended ({ev.EndTime:u})";
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return false;
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}
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return true;
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}
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/// <summary>Marks an event live / not live. Used by roominstance/{id}/inprogress.</summary>
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public static FullPlayerEvent? SetBroadcastingInstance(ulong eventId, ulong roomInstanceId, bool inProgress)
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{
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var ev = Events.FindById(eventId);
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if (ev == null) return null;
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ev.BroadcastingRoomInstanceId = inProgress ? roomInstanceId : 0;
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ev.State = inProgress ? 1 : 0;
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Events.Update(ev);
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return ev;
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}
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/// <summary>The event currently broadcasting to a given room instance, if any.</summary>
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public static FullPlayerEvent? GetEventForRoomInstance(ulong roomInstanceId)
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{
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if (roomInstanceId == 0) return null;
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return Events.Query()
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.Where(e => e.BroadcastingRoomInstanceId == roomInstanceId)
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.FirstOrDefault();
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}
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/// <summary>Removes an event outright. Used by the admin panel for moderation.</summary>
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public static bool DeleteEvent(ulong eventId) => Events.Delete(eventId);
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public static FullPlayerEvent CreateEvent(ulong creatorPlayerId, EventDBClasses.CreateEventRequest request)
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{
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var ev = new FullPlayerEvent
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{
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PlayerEventId = GetNextId(),
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CreatorPlayerId = creatorPlayerId,
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RoomId = request.RoomId,
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SubRoomId = request.SubRoomId,
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ClubId = request.ClubId,
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Name = request.Name,
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Description = request.Description,
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ImageName = request.ImageName,
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Tags = request.Tags?.Select(t => new EventDBClasses.FullTag
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{
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Tag = t,
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Type = EventDBClasses.TagType.Unknown1
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}).ToList(),
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StartTime = request.StartTime,
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EndTime = request.EndTime,
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AttendeeCount = 0,
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State = 0,
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Accessibility = request.Accessibility,
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IsMultiInstance = request.IsMultiInstance,
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SupportMultiInstanceRoomChat = request.SupportMultiInstanceRoomChat,
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DefaultBroadcastPermissions = (EventDBClasses.BroadcastPermissionsEnum)request.DefaultBroadcastPermissions,
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CanRequestBroadcastPermissions = (EventDBClasses.BroadcastPermissionsEnum)request.CanRequestBroadcastPermissions,
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Responses = new List<EventDBClasses.FullEventResponses>()
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};
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Events.Insert(ev);
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return ev;
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}
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}
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}
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