From 070a4a8399201150a633c80608a13cc44781a3c4 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 30 Apr 2019 20:00:42 +0800
Subject: Throw exception in cos service.

---
 Timeline/Services/QCloudCosService.cs | 3 ++-
 Timeline/Services/UserService.cs      | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'Timeline/Services')

diff --git a/Timeline/Services/QCloudCosService.cs b/Timeline/Services/QCloudCosService.cs
index 078dd37b..b37631e5 100644
--- a/Timeline/Services/QCloudCosService.cs
+++ b/Timeline/Services/QCloudCosService.cs
@@ -234,7 +234,7 @@ namespace Timeline.Services
             catch (Exception e)
             {
                 _logger.LogError(e, "An error occured when test a cos object existence.");
-                return false;
+                throw;
             }
         }
 
@@ -297,6 +297,7 @@ namespace Timeline.Services
             catch (Exception e)
             {
                 _logger.LogError(e, "An error occured when test a cos object existence.");
+                throw;
             }
         }
 
diff --git a/Timeline/Services/UserService.cs b/Timeline/Services/UserService.cs
index 9ebf2668..8ab3bc54 100644
--- a/Timeline/Services/UserService.cs
+++ b/Timeline/Services/UserService.cs
@@ -161,6 +161,14 @@ namespace Timeline.Services
         /// <returns>The url if user exists. Null if user does not exist.</returns>
         Task<string> GetAvatarUrl(string username);
 
+        /// <summary>
+        /// Put a avatar of a user.
+        /// </summary>
+        /// <param name="username">The name of user.</param>
+        /// <param name="data">The data of avatar image.</param>
+        /// <param name="mimeType">The mime type of the image.</param>
+        /// <returns>Return <see cref="PutAvatarResult.Success"/> if success.
+        /// Return <see cref="PutAvatarResult.UserNotExists"/> if user does not exist.</returns>
         Task<PutAvatarResult> PutAvatar(string username, byte[] data, string mimeType);
     }
 
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