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DouyinApi.Services/RoleServices.cs

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+using DouyinApi.Common;
+using DouyinApi.IRepository.Base;
+using DouyinApi.IServices;
+using DouyinApi.Model.Models;
+using DouyinApi.Services.BASE;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace DouyinApi.Services
+{
+    /// <summary>
+    /// RoleServices
+    /// </summary>	
+    public class RoleServices : BaseServices<Role>, IRoleServices
+    {
+       /// <summary>
+       /// 
+       /// </summary>
+       /// <param name="roleName"></param>
+       /// <returns></returns>
+        public async Task<Role> SaveRole(string roleName)
+        {
+            Role role = new Role(roleName);
+            Role model = new Role();
+            var userList = await base.Query(a => a.Name == role.Name && a.Enabled);
+            if (userList.Count > 0)
+            {
+                model = userList.FirstOrDefault();
+            }
+            else
+            {
+                var id = await base.Add(role);
+                model = await base.QueryById(id);
+            }
+
+            return model;
+
+        }
+
+        [Caching(AbsoluteExpiration = 30)]
+        public async Task<string> GetRoleNameByRid(int rid)
+        {
+            return ((await base.QueryById(rid))?.Name);
+        }
+    }
+}