Adding coordinate to Location model

microservices/LocationsApi/Controllers/LocationsController.cs

@@ -2,6 +2,7 @@ using LocationsApi.Models;
 using LocationsApi.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using MongoDB.Driver;
 
 namespace LocationsApi.Controllers;
 
@@ -23,13 +24,25 @@ public class LocationsController : ControllerBase
         if (string.IsNullOrWhiteSpace(req.Name))
             return BadRequest("Name required");
 
+        if (req.Coord is null)
+            return BadRequest("Coord required");
+
         var location = new Location
         {
             Name = req.Name.Trim(),
+            Coord = req.Coord,
             CreatedUtc = DateTime.UtcNow
         };
 
-        await _locations.CreateAsync(location);
+        try
+        {
+            await _locations.CreateAsync(location);
+        }
+        catch (MongoWriteException ex) when (ex.WriteError.Category == ServerErrorCategory.DuplicateKey)
+        {
+            return Conflict("Coord must be unique");
+        }
+
         return Ok(location);
     }
 
@@ -59,6 +72,9 @@ public class LocationsController : ControllerBase
         if (string.IsNullOrWhiteSpace(req.Name))
             return BadRequest("Name required");
 
+        if (req.Coord is not null)
+            return BadRequest("Coord cannot be updated");
+
         var updated = await _locations.UpdateNameAsync(id, req.Name.Trim());
         if (!updated)
             return NotFound();