From e16c958e5ba47834dc1624e09ed8e5074a60d1c6 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 28 Apr 2021 19:20:40 +0800
Subject: refator: ...

---
 .../Timeline/Services/Mapper/MapperExtensions.cs   | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 BackEnd/Timeline/Services/Mapper/MapperExtensions.cs

(limited to 'BackEnd/Timeline/Services/Mapper/MapperExtensions.cs')

diff --git a/BackEnd/Timeline/Services/Mapper/MapperExtensions.cs b/BackEnd/Timeline/Services/Mapper/MapperExtensions.cs
new file mode 100644
index 00000000..03dd1189
--- /dev/null
+++ b/BackEnd/Timeline/Services/Mapper/MapperExtensions.cs
@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Mvc;
+using System.Collections.Generic;
+using System.Security.Claims;
+using System.Threading.Tasks;
+
+namespace Timeline.Services.Mapper
+{
+    public static class MapperExtensions
+    {
+        public static async Task<List<TDestination>> MapListAsync<TSource, TDestination>(this IMapper<TSource, TDestination> mapper, IEnumerable<TSource> source, IUrlHelper urlHelper, ClaimsPrincipal? user)
+        {
+            var result = new List<TDestination>();
+            foreach (var s in source)
+            {
+                result.Add(await mapper.MapAsync(s, urlHelper, user));
+            }
+            return result;
+        }
+
+        public static Task<TDestination> MapAsync<TDestination>(this IGenericMapper mapper, object source, IUrlHelper urlHelper, ClaimsPrincipal? user)
+        {
+            var method = typeof(IGenericMapper).GetMethod(nameof(IGenericMapper.MapAsync));
+            var m = method!.MakeGenericMethod(source.GetType(), typeof(TDestination))!;
+            return (Task<TDestination>)m.Invoke(mapper, new object?[] { source, urlHelper, user })!;
+        }
+
+        public static async Task<List<TDestination>> MapListAsync<TSource, TDestination>(this IGenericMapper mapper, IEnumerable<TSource> source, IUrlHelper urlHelper, ClaimsPrincipal? user)
+        {
+            var result = new List<TDestination>();
+            foreach (var s in source)
+            {
+                result.Add(await mapper.MapAsync<TSource, TDestination>(s, urlHelper, user));
+            }
+            return result;
+        }
+
+        public static async Task<List<TDestination>> MapListAsync<TDestination>(this IGenericMapper mapper, IEnumerable<object> source, IUrlHelper urlHelper, ClaimsPrincipal? user)
+        {
+            var result = new List<TDestination>();
+            foreach (var s in source)
+            {
+                result.Add(await mapper.MapAsync<TDestination>(s, urlHelper, user));
+            }
+            return result;
+        }
+    }
+}
-- 
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