Fixed errcheck issues in server/channels/api4/group.go (#28404)

server/.golangci.yml

@@ -79,7 +79,6 @@ issues:
         channels/api4/export.go|\
         channels/api4/export_test.go|\
         channels/api4/file_test.go|\
-        channels/api4/group.go|\
         channels/api4/group_local.go|\
         channels/api4/handlers_test.go|\
         channels/api4/import_test.go|\

server/channels/api4/group.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 
 	"github.com/mattermost/mattermost/server/public/model"
+	"github.com/mattermost/mattermost/server/public/shared/mlog"
 	"github.com/mattermost/mattermost/server/v8/channels/app"
 	"github.com/mattermost/mattermost/server/v8/channels/audit"
 	"github.com/mattermost/mattermost/server/v8/channels/store"
@@ -146,7 +147,9 @@ func getGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func createGroup(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -206,7 +209,9 @@ func createGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 	auditRec.Success()
 	w.WriteHeader(http.StatusCreated)
-	w.Write(js)
+	if _, err := w.Write(js); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func patchGroup(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -303,7 +308,9 @@ func patchGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func linkGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -389,7 +396,9 @@ func linkGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -437,7 +446,9 @@ func getGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupSyncables(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -479,7 +490,9 @@ func getGroupSyncables(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func patchGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -566,7 +579,9 @@ func patchGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func unlinkGroupSyncable(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -726,7 +741,9 @@ func getGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupStats(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -766,7 +783,9 @@ func getGroupStats(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupsByUserId(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -802,7 +821,9 @@ func getGroupsByUserId(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupsByChannel(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -820,7 +841,9 @@ func getGroupsByChannel(c *Context, w http.ResponseWriter, r *http.Request) {
 		c.Err = appErr
 		return
 	}
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupsByTeam(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -839,7 +862,9 @@ func getGroupsByTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 		c.Err = appError
 		return
 	}
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroupsByTeamCommon(c *Context, r *http.Request) ([]byte, *model.AppError) {
@@ -973,7 +998,9 @@ func getGroupsAssociatedToChannelsByTeam(c *Context, w http.ResponseWriter, r *h
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func getGroups(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -1138,7 +1165,9 @@ func getGroups(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func deleteGroup(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -1190,7 +1219,9 @@ func deleteGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func restoreGroup(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -1244,7 +1275,9 @@ func restoreGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func addGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -1303,7 +1336,9 @@ func addGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 func deleteGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
@@ -1362,7 +1397,9 @@ func deleteGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	auditRec.Success()
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }
 
 // hasPermissionToReadGroupMembers check if a user has the permission to read the list of members of a given team.