New: User Search and User-Contact UI and Service

Client/Services/UserContactService.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Oqtane.Models;
+using Oqtane.Services;
+using Oqtane.Shared;
+
+namespace SZUAbsolventenverein.Module.PremiumArea.Services
+{
+    public interface IUserContactService
+    {
+        Task<List<User>> SearchUsersAsync(string query, int moduleId);
+        Task SendMessageAsync(int recipientUserId, string message, int moduleId);
+    }
+
+    public class UserContactService : ServiceBase, IUserContactService
+    {
+        public UserContactService(HttpClient http, SiteState siteState) : base(http, siteState) { }
+
+        private string Apiurl => CreateApiUrl("UserContact");
+
+        public async Task<List<User>> SearchUsersAsync(string query, int moduleId)
+        {
+             return await GetJsonAsync<List<User>>(CreateAuthorizationPolicyUrl($"{Apiurl}/search/{query}?moduleid={moduleId}", EntityNames.Module, moduleId));
+        }
+
+        public async Task SendMessageAsync(int recipientUserId, string message, int moduleId)
+        {
+            await PostAsync(CreateAuthorizationPolicyUrl($"{Apiurl}/send?recipientId={recipientUserId}&moduleid={moduleId}&message={System.Net.WebUtility.UrlEncode(message)}", EntityNames.Module, moduleId));
+        }
+    }
+}