Kill switch

microservices/InventoryApi/Controllers/InventoryController.cs

@@ -48,6 +48,28 @@ public class InventoryController : ControllerBase
         return Ok(response);
     }
 
+    [HttpPost("internal/location-owner/reassign")]
+    public async Task<IActionResult> ReassignLocationOwnerInventoryInternal([FromBody] InternalReassignLocationInventoryRequest req)
+    {
+        var configuredKey = (HttpContext.RequestServices.GetRequiredService<IConfiguration>()["InternalApi:Key"]
+            ?? HttpContext.RequestServices.GetRequiredService<IConfiguration>()["Jwt:Key"]
+            ?? string.Empty).Trim();
+        var requestKey = (Request.Headers["X-Internal-Api-Key"].FirstOrDefault() ?? string.Empty).Trim();
+        if (string.IsNullOrWhiteSpace(configuredKey) || !string.Equals(configuredKey, requestKey, StringComparison.Ordinal))
+            return Unauthorized();
+        if (string.IsNullOrWhiteSpace(req.ToOwnerId))
+            return BadRequest("toOwnerId required");
+
+        var result = await _inventory.ReassignLocationInventoryOwnersAsync(req.FromOwnerIds, req.ToOwnerId);
+        if (!result.TargetLocationExists)
+            return NotFound("Target location not found");
+
+        return Ok(new InternalReassignLocationInventoryResponse
+        {
+            ReassignedItemCount = result.ReassignedItemCount
+        });
+    }
+
     [HttpGet("item-definitions")]
     [Authorize(Roles = "USER,SUPER")]
     public async Task<IActionResult> ListItemDefinitions()

microservices/InventoryApi/Models/InternalReassignLocationInventoryRequest.cs

@@ -0,0 +1,8 @@
+namespace InventoryApi.Models;
+
+public class InternalReassignLocationInventoryRequest
+{
+    public List<string> FromOwnerIds { get; set; } = [];
+
+    public string ToOwnerId { get; set; } = string.Empty;
+}

microservices/InventoryApi/Models/InternalReassignLocationInventoryResponse.cs

@@ -0,0 +1,6 @@
+namespace InventoryApi.Models;
+
+public class InternalReassignLocationInventoryResponse
+{
+    public int ReassignedItemCount { get; set; }
+}

microservices/InventoryApi/Services/InventoryStore.cs

@@ -22,6 +22,7 @@ public class InventoryStore
     private readonly string _dbName;
 
     public sealed record GrantResult(List<InventoryItem> Items, int RequestedQuantity, int GrantedQuantity, int OverflowQuantity);
+    public sealed record ReassignLocationInventoryResult(bool TargetLocationExists, int ReassignedItemCount);
 
     public InventoryStore(IConfiguration cfg)
     {
@@ -114,6 +115,35 @@ public class InventoryStore
             .ToDictionary(group => group.Key, group => group.ToList(), StringComparer.Ordinal);
     }
 
+    public async Task<ReassignLocationInventoryResult> ReassignLocationInventoryOwnersAsync(IEnumerable<string> fromOwnerIds, string toOwnerId)
+    {
+        var normalizedToOwnerId = toOwnerId.Trim();
+        var targetExists = await _locations.Find(location => location.Id == normalizedToOwnerId).AnyAsync();
+        if (!targetExists)
+            return new ReassignLocationInventoryResult(false, 0);
+
+        var sourceOwnerIds = fromOwnerIds
+            .Where(id => !string.IsNullOrWhiteSpace(id))
+            .Select(id => id.Trim())
+            .Where(id => !string.Equals(id, normalizedToOwnerId, StringComparison.Ordinal))
+            .Distinct(StringComparer.Ordinal)
+            .ToList();
+        if (sourceOwnerIds.Count == 0)
+            return new ReassignLocationInventoryResult(true, 0);
+
+        var filter = Builders<InventoryItem>.Filter.And(
+            Builders<InventoryItem>.Filter.Eq(item => item.OwnerType, LocationOwnerType),
+            Builders<InventoryItem>.Filter.In(item => item.OwnerId, sourceOwnerIds));
+        var update = Builders<InventoryItem>.Update
+            .Set(item => item.OwnerId, normalizedToOwnerId)
+            .Set(item => item.OwnerUserId, null)
+            .Unset(item => item.Slot)
+            .Unset(item => item.EquippedSlot)
+            .Set(item => item.UpdatedUtc, DateTime.UtcNow);
+        var result = await _items.UpdateManyAsync(filter, update);
+        return new ReassignLocationInventoryResult(true, (int)result.ModifiedCount);
+    }
+
     public Task<List<ItemDefinition>> ListItemDefinitionsAsync() =>
         _definitions.Find(Builders<ItemDefinition>.Filter.Empty).SortBy(d => d.ItemKey).ToListAsync();