initial commit from an older template

Utils/Clients/PushNotificationsClient.cs

@@ -0,0 +1,150 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using GamificationService.Exceptions.UtilServices.Api;
+
+namespace GamificationService.Utils;
+
+public class PushNotificationsClient
+{
+    #region Fields
+
+    private readonly HttpClient _httpClient;
+    private readonly ILogger<PushNotificationsClient> _logger;
+    private readonly string _applicationToken;
+    private readonly string _projectId;
+    #endregion
+    
+    #region Constructor
+
+    public PushNotificationsClient(HttpClient httpClient, ILogger<PushNotificationsClient> logger, string applicationToken, string projectId)
+    {
+        _httpClient = httpClient;
+        _logger = logger;
+        _applicationToken = applicationToken;
+        _projectId = projectId;
+    }
+    
+    #endregion
+    
+    #region Methods
+
+    public async Task SendPushNotification(PushNotification pushNotification)
+    {
+        try
+        {
+            var payload = new
+            {
+                message = new
+                {
+                    token = _applicationToken,
+                    notification = new
+                    {
+                        body = pushNotification.Message,
+                        title = pushNotification.Title,
+                        image = pushNotification.Image
+                    },
+                    android = new
+                    {
+                        notification = new
+                        {
+                            body = pushNotification.Message,
+                            title = pushNotification.Title,
+                            image = pushNotification.Image,
+                            click_action = pushNotification.ClickAction,
+                            click_action_type = pushNotification.ClickActionType
+                        }
+                    }
+                }
+            };
+
+            var jsonPayload = JsonSerializer.Serialize(payload);
+
+            var request = new HttpRequestMessage(HttpMethod.Post,$"/{_projectId}/messages")
+            {
+                Content = new StringContent(jsonPayload, Encoding.UTF8, "application/json")
+            };
+
+            var response = await _httpClient.SendAsync(request);
+
+            if (response.StatusCode == HttpStatusCode.BadRequest)
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification. Status Code: {response.StatusCode}, Response: {responseContent}");
+                throw new BadRequestException($"Failed to send push notification: {response.StatusCode}");
+            }
+            else if (response.StatusCode == HttpStatusCode.Forbidden)
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification: {response.StatusCode}, Response: {responseContent}");
+                throw new ForbiddenException($"Failed to send push notification: {response.StatusCode}");
+            }
+            else
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification: {response.StatusCode}, Response: {responseContent}");
+                throw new Exception($"Failed to send push notification: {response.StatusCode}");
+            }
+        }
+        catch (Exception e)
+        {
+            _logger.LogError(e, e.Message);
+            throw;
+        }
+    }
+
+    public async Task SendPushNotification(PushNotification pushNotification, string topic)
+    {
+        try
+        {
+           var payload = new
+            {
+                message = new
+                {
+                    notification = new
+                    {
+                        body = pushNotification.Message,
+                        title = pushNotification.Title,
+                        image = pushNotification.Image
+                    }
+                }
+            };
+
+            var jsonPayload = JsonSerializer.Serialize(payload);
+
+            var request = new HttpRequestMessage(HttpMethod.Post,$"/{_projectId}/topics/{topic}/publish")
+            {
+                Content = new StringContent(jsonPayload, Encoding.UTF8, "application/json")
+            };
+
+            var response = await _httpClient.SendAsync(request);
+
+            if (response.StatusCode == HttpStatusCode.BadRequest)
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification. Status Code: {response.StatusCode}, Response: {responseContent}");
+                throw new BadRequestException($"Failed to send push notification: {response.StatusCode}");
+            }
+            else if (response.StatusCode == HttpStatusCode.Forbidden)
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification: {response.StatusCode}, Response: {responseContent}");
+                throw new ForbiddenException($"Failed to send push notification: {response.StatusCode}");
+            }
+            else
+            {
+                var responseContent = await response.Content.ReadAsStringAsync();
+                _logger.LogError($"Failed to send push notification: {response.StatusCode}, Response: {responseContent}");
+                throw new Exception($"Failed to send push notification: {response.StatusCode}");
+            }
+        }
+        catch (Exception e)
+        {
+            _logger.LogError(e, e.Message);
+            throw;
+        }
+    }
+    
+    #endregion
+}