Add get beacons method

ManagerService/Controllers/SectionController.cs

@@ -230,6 +230,38 @@ namespace ManagerService.Controllers
             }
         }
 
+        /// <summary>
+        /// Get all section with beacon
+        /// </summary>
+        /// <param name="id">Instance id</param>
+        [AllowAnonymous]
+        [ProducesResponseType(typeof(List<SectionDTO>), 200)]
+        [ProducesResponseType(typeof(string), 404)]
+        [ProducesResponseType(typeof(string), 500)]
+        [HttpGet("beacons/{id}")]
+        public ObjectResult GetAllBeaconsForInstance(string id)
+        {
+            try
+            {
+                List<Section> sections = _sectionService.GetAll(id);
+
+                if (sections.Count == 0)
+                    throw new KeyNotFoundException("No section has beacon");
+
+                sections = sections.Where(s => s.IsBeacon && s.BeaconId != null).ToList();
+
+                return new OkObjectResult(sections.Select(s => s.ToDTO()));
+            }
+            catch (KeyNotFoundException ex)
+            {
+                return new NotFoundObjectResult(ex.Message) { };
+            }
+            catch (Exception ex)
+            {
+                return new ObjectResult(ex.Message) { StatusCode = 500 };
+            }
+        }
+
         /// <summary>
         /// Create a new section
         /// </summary>