Add admin Erase verb, add checkbox to erase from the ban panel (#20985)

Content.Server/Administration/Systems/AdminSystem.cs

@@ -1,17 +1,28 @@
 using System.Linq;
 using Content.Server.Administration.Managers;
 using Content.Server.Chat.Managers;
+using Content.Server.Forensics;
+using Content.Server.GameTicking;
+using Content.Server.Hands.Systems;
 using Content.Server.IdentityManagement;
 using Content.Server.Mind;
 using Content.Server.Players.PlayTimeTracking;
+using Content.Server.Popups;
+using Content.Server.StationRecords.Systems;
 using Content.Shared.Administration;
 using Content.Shared.Administration.Events;
 using Content.Shared.CCVar;
 using Content.Shared.GameTicking;
+using Content.Shared.Hands.Components;
 using Content.Shared.IdentityManagement;
+using Content.Shared.Inventory;
+using Content.Shared.PDA;
 using Content.Shared.Players.PlayTimeTracking;
+using Content.Shared.Popups;
 using Content.Shared.Roles;
 using Content.Shared.Roles.Jobs;
+using Content.Shared.StationRecords;
+using Content.Shared.Throwing;
 using Robust.Server.GameObjects;
 using Robust.Server.Player;
 using Robust.Shared.Configuration;
@@ -27,10 +38,17 @@ namespace Content.Server.Administration.Systems
         [Dependency] private readonly IChatManager _chat = default!;
         [Dependency] private readonly IConfigurationManager _config = default!;
         [Dependency] private readonly IPlayerManager _playerManager = default!;
-        [Dependency] private readonly PlayTimeTrackingManager _playTime = default!;
+        [Dependency] private readonly HandsSystem _hands = default!;
         [Dependency] private readonly SharedJobSystem _jobs = default!;
+        [Dependency] private readonly InventorySystem _inventory = default!;
         [Dependency] private readonly MindSystem _minds = default!;
+        [Dependency] private readonly PopupSystem _popup = default!;
+        [Dependency] private readonly PhysicsSystem _physics = default!;
+        [Dependency] private readonly PlayTimeTrackingManager _playTime = default!;
         [Dependency] private readonly SharedRoleSystem _role = default!;
+        [Dependency] private readonly GameTicker _gameTicker = default!;
+        [Dependency] private readonly StationRecordsSystem _stationRecords = default!;
+        [Dependency] private readonly TransformSystem _transform = default!;
 
         private readonly Dictionary<NetUserId, PlayerInfo> _playerList = new();
 
@@ -299,5 +317,76 @@ namespace Content.Server.Administration.Systems
                 RaiseNetworkEvent(ev, admin);
             }
         }
+
+        /// <summary>
+        ///     Erases a player from the round.
+        ///     This removes them and any trace of them from the round, deleting their
+        ///     chat messages and showing a popup to other players.
+        ///     Their items are dropped on the ground.
+        /// </summary>
+        public void Erase(IPlayerSession player)
+        {
+            var entity = player.AttachedEntity;
+            _chat.DeleteMessagesBy(player);
+
+            if (entity != null && !TerminatingOrDeleted(entity.Value))
+            {
+                if (TryComp(entity.Value, out TransformComponent? transform))
+                {
+                    var coordinates = _transform.GetMoverCoordinates(entity.Value, transform);
+                    var name = Identity.Entity(entity.Value, EntityManager);
+                    _popup.PopupCoordinates(Loc.GetString("admin-erase-popup", ("user", name)), coordinates, PopupType.LargeCaution);
+                }
+
+                foreach (var item in _inventory.GetHandOrInventoryEntities(entity.Value))
+                {
+                    if (TryComp(item, out PdaComponent? pda) &&
+                        TryComp(pda.ContainedId, out StationRecordKeyStorageComponent? keyStorage) &&
+                        keyStorage.Key is { } key &&
+                        _stationRecords.TryGetRecord(key.OriginStation, key, out GeneralStationRecord? record))
+                    {
+                        if (TryComp(entity, out DnaComponent? dna) &&
+                            dna.DNA != record.DNA)
+                        {
+                            continue;
+                        }
+
+                        if (TryComp(entity, out FingerprintComponent? fingerPrint) &&
+                            fingerPrint.Fingerprint != record.Fingerprint)
+                        {
+                            continue;
+                        }
+
+                        _stationRecords.RemoveRecord(key.OriginStation, key);
+                        Del(item);
+                    }
+                }
+
+                if (TryComp(entity.Value, out InventoryComponent? inventory) &&
+                    _inventory.TryGetSlots(entity.Value, out var slots, inventory))
+                {
+                    foreach (var slot in slots)
+                    {
+                        if (_inventory.TryUnequip(entity.Value, entity.Value, slot.Name, out var item, true, true))
+                        {
+                            _physics.ApplyAngularImpulse(item.Value, ThrowingSystem.ThrowAngularImpulse);
+                        }
+                    }
+                }
+
+                if (TryComp(entity.Value, out HandsComponent? hands))
+                {
+                    foreach (var hand in _hands.EnumerateHands(entity.Value, hands))
+                    {
+                        _hands.TryDrop(entity.Value, hand, checkActionBlocker: false, doDropInteraction: false, handsComp: hands);
+                    }
+                }
+            }
+
+            _minds.WipeMind(player);
+            QueueDel(entity);
+
+            _gameTicker.SpawnObserver(player);
+        }
     }
 }