From a9b726661d018eb8f379851c733f1676f5ac067d Mon Sep 17 00:00:00 2001 From: crupest Date: Wed, 7 Dec 2022 20:41:20 +0800 Subject: Develop secret api. v17 --- .../Crud/DynamicParametersExtensions.cs | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/DynamicParametersExtensions.cs (limited to 'docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/DynamicParametersExtensions.cs') diff --git a/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/DynamicParametersExtensions.cs b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/DynamicParametersExtensions.cs new file mode 100644 index 0000000..956206d --- /dev/null +++ b/docker/crupest-api/CrupestApi/CrupestApi.Commons/Crud/DynamicParametersExtensions.cs @@ -0,0 +1,41 @@ +using System.Data; +using System.Diagnostics; +using Dapper; + +namespace CrupestApi.Commons.Crud; + +public static class DynamicParametersExtensions +{ + private static Random random = new Random(); + private const string chars = "abcdefghijklmnopqrstuvwxyz"; + + public static string GenerateRandomKey(int length) + { + lock (random) + { + var result = new string(Enumerable.Repeat(chars, length) + .Select(s => s[random.Next(s.Length)]).ToArray()); + return result; + } + } + + public static string GenerateRandomParameterName(DynamicParameters parameters) + { + var parameterName = GenerateRandomKey(10); + int retryTimes = 1; + while (parameters.ParameterNames.Contains(parameterName)) + { + retryTimes++; + Debug.Assert(retryTimes <= 100); + parameterName = GenerateRandomKey(10); + } + return parameterName; + } + + public static string AddRandomNameParameter(this DynamicParameters parameters, object? value) + { + var parameterName = GenerateRandomParameterName(parameters); + parameters.Add(parameterName, value); + return parameterName; + } +} -- cgit v1.2.3