From c85f06c8f23a48218cfd68ec92b2421d5c55018a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A8=81=E5=8B=9D=20=E5=BC=B5?= <leo890808678@gmail.com>
Date: Tue, 6 Feb 2024 00:34:29 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E9=81=95=E8=A6=8F=E6=AC=A1?=
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---
 .../Violation_car_tableController.cs          | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/WebApi_data_value/Controllers/Violation_car_tableController.cs b/WebApi_data_value/Controllers/Violation_car_tableController.cs
index 113c0f2..964f1e4 100644
--- a/WebApi_data_value/Controllers/Violation_car_tableController.cs
+++ b/WebApi_data_value/Controllers/Violation_car_tableController.cs
@@ -179,6 +179,31 @@ namespace WebApi_data_value.Controllers
         }
         #endregion
 
+        #region
+        /// <summary>
+        /// 尋找違規次數最多
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet("recidivists")]
+        public async Task<IEnumerable<object>> GetRecidivists()
+        {
+
+            var plateNumberOccurrences = await _context.violation_car_table
+                                            .GroupBy(c => c.license_plate_number)
+                                            .Select(group => new
+                                            {
+                                                LicensePlateNumber = group.Key,
+                                                Occurrences = group.Count()
+                                            })
+                                            .OrderByDescending(x => x.Occurrences)
+                                            .ToListAsync();
+
+
+            return plateNumberOccurrences;
+        }
+        #endregion
+
+
         #region 新增違規車輛
         /// <summary>
         /// 新增違規車輛