From 55b5a1ef115ccf93e5c5cd049211520392b62782 Mon Sep 17 00:00:00 2001
From: krashanoff <leo@krashanoff.com>
Date: Sat, 5 Mar 2022 05:22:25 -0800
Subject: [PATCH] Fix lint

---
 backend/grading/runner.go     | 5 ++++-
 backend/handler/assignment.go | 4 +++-
 backend/handler/class.go      | 4 +++-
 backend/handler/user.go       | 8 ++++++--
 4 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/backend/grading/runner.go b/backend/grading/runner.go
index 316a49d..4579aac 100644
--- a/backend/grading/runner.go
+++ b/backend/grading/runner.go
@@ -161,8 +161,11 @@ func Grade(id string, job Job, results chan<- Result) {
 	defer os.RemoveAll(dir)
 	studentWorkFilePath := path.Join(dir, "work.tar.gz")
 	tmpFile, _ := os.Create(studentWorkFilePath)
-	io.Copy(tmpFile, job.File)
 	defer tmpFile.Close()
+	if _, err := io.Copy(tmpFile, job.File); err != nil {
+		fmt.Println(err)
+		return
+	}
 
 	// Execute grading script driver.
 	cmd := exec.Command(job.Script, studentWorkFilePath)
diff --git a/backend/handler/assignment.go b/backend/handler/assignment.go
index 3dfc2d4..2806d2f 100644
--- a/backend/handler/assignment.go
+++ b/backend/handler/assignment.go
@@ -128,7 +128,9 @@ func GetAssignment(cc echo.Context) error {
 	}
 	for ok := rows.Next(); ok; ok = rows.Next() {
 		id, owner, date, points := "", "", time.Time{}, float64(0)
-		rows.Scan(&id, &owner, &date, &points)
+		if err := rows.Scan(&id, &owner, &date, &points); err != nil {
+			c.Logger().Error(err)
+		}
 		submissions = append(submissions, struct {
 			ID            string    "json:\"id\""
 			OwnerUsername string    "json:\"owner\""
diff --git a/backend/handler/class.go b/backend/handler/class.go
index 6c72fb1..302e65a 100644
--- a/backend/handler/class.go
+++ b/backend/handler/class.go
@@ -47,7 +47,9 @@ func GetClass(cc echo.Context) error {
 	}
 	for ok := rows.Next(); ok; ok = rows.Next() {
 		id, name, dueDate, points := 0, "", time.Time{}, float64(0)
-		rows.Scan(&id, &name, &dueDate, &points)
+		if err := rows.Scan(&id, &name, &dueDate, &points); err != nil {
+			c.Logger().Error(err)
+		}
 		assignments = append(assignments, struct {
 			ID      int       "json:\"id\""
 			Name    string    "json:\"name\""
diff --git a/backend/handler/user.go b/backend/handler/user.go
index b9178cc..04a0658 100644
--- a/backend/handler/user.go
+++ b/backend/handler/user.go
@@ -161,7 +161,9 @@ func GetUser(cc echo.Context) error {
 	for ok := rows.Next(); ok; ok = rows.Next() {
 		id := 0
 		name := ""
-		rows.Scan(&id, &name)
+		if err := rows.Scan(&id, &name); err != nil {
+			c.Logger().Error(err)
+		}
 		response.Classes = append(response.Classes, struct {
 			ID   int    "json:\"id\""
 			Name string "json:\"name\""
@@ -182,7 +184,9 @@ func GetUser(cc echo.Context) error {
 	}
 	for ok := rows.Next(); ok; ok = rows.Next() {
 		id, class, name, dueDate, points := 0, 0, "", time.Time{}, float64(0)
-		rows.Scan(&id, &class, &name, &dueDate, &points)
+		if err := rows.Scan(&id, &class, &name, &dueDate, &points); err != nil {
+			c.Logger().Error(err)
+		}
 		response.Assignments = append(response.Assignments, struct {
 			ID             int       "json:\"id\""
 			Class          int       "json:\"class\""