[GH-28355] Fixed errcheck issues in server/channels/api4/channel_category.go (#28357)

server/.golangci.yml

@@ -63,7 +63,6 @@ issues:
         channels/api4/bot_test.go|\
         channels/api4/brand.go|\
         channels/api4/channel.go|\
-        channels/api4/channel_category.go|\
         channels/api4/channel_test.go|\
         channels/api4/cloud.go|\
         channels/api4/cloud_test.go|\

server/channels/api4/channel_category.go

@@ -35,7 +35,9 @@ func getCategoriesForTeamForUser(c *Context, w http.ResponseWriter, r *http.Requ
 		return
 	}
 
-	w.Write(categoriesJSON)
+	if _, err := w.Write(categoriesJSON); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func createCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -78,7 +80,9 @@ func createCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Req
 
 	auditRec.Success()
 
-	w.Write(categoryJSON)
+	if _, err := w.Write(categoryJSON); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getCategoryOrderForTeamForUser(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -138,7 +142,10 @@ func updateCategoryOrderForTeamForUser(c *Context, w http.ResponseWriter, r *htt
 	}
 
 	auditRec.Success()
-	w.Write([]byte(model.ArrayToJSON(categoryOrder)))
+
+	if _, err := w.Write([]byte(model.ArrayToJSON(categoryOrder))); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -164,7 +171,9 @@ func getCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Reques
 		return
 	}
 
-	w.Write(categoriesJSON)
+	if _, err := w.Write(categoriesJSON); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func updateCategoriesForTeamForUser(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -213,7 +222,9 @@ func updateCategoriesForTeamForUser(c *Context, w http.ResponseWriter, r *http.R
 	}
 
 	auditRec.Success()
-	w.Write(categoriesJSON)
+	if _, err := w.Write(categoriesJSON); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func validateSidebarCategory(c *Context, teamId, userId string, category *model.SidebarCategoryWithChannels) *model.AppError {
@@ -309,7 +320,9 @@ func updateCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Req
 	}
 
 	auditRec.Success()
-	w.Write(categoryJSON)
+	if _, err := w.Write(categoryJSON); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func deleteCategoryForTeamForUser(c *Context, w http.ResponseWriter, r *http.Request) {