Allow title's unlock_score or unlock_win to be null

endpoint/title/query.go

@@ -53,6 +53,8 @@ func (MySQLTitleQuery) Select(userID uint32) ([]schemas.TitleSchema, error) {
 
 	for rows.Next() {
 		var tmpTitle schemas.TitleSchema
+		var tmpUnlockScore sql.NullInt32
+		var tmpUnlockWin sql.NullInt32
 
 		// Temporary subject
 		var tmpSubjectID sql.NullInt32
@@ -69,14 +71,26 @@ func (MySQLTitleQuery) Select(userID uint32) ([]schemas.TitleSchema, error) {
 			&(tmpSubjectShortForm),
 			&(tmpSubjectDepartment),
 			&(tmpSubjectDescription),
-			&(tmpTitle.UnlockScore),
-			&(tmpTitle.UnlockWin),
+			&(tmpUnlockScore),
+			&(tmpUnlockWin),
 		)
 
 		if errFetch != nil {
 			return nil, fmt.Errorf("Cannot scan db values into titles list. " + errFetch.Error())
 		}
 
+		if tmpUnlockScore.Valid {
+			tmpTitle.UnlockScore = tmpUnlockScore.Int32
+		} else {
+			tmpTitle.UnlockScore = -1
+		}
+
+		if tmpUnlockWin.Valid {
+			tmpTitle.UnlockWin = tmpUnlockWin.Int32
+		} else {
+			tmpTitle.UnlockWin = -1
+		}
+
 		if tmpSubjectName.Valid {
 			tmpTitle.Subject = &schemas.Subject{
 				ID:          uint32(tmpSubjectID.Int32),
@@ -129,6 +143,9 @@ func (MySQLTitleQuery) SelectAll() ([]schemas.TitleSchema, error) {
 	for rows.Next() {
 		var tmpTitle schemas.TitleSchema
 
+		var tmpUnlockScore sql.NullInt32
+		var tmpUnlockWin sql.NullInt32
+
 		// Temporary subject
 		var tmpSubjectID sql.NullInt32
 		var tmpSubjectName sql.NullString
@@ -144,14 +161,26 @@ func (MySQLTitleQuery) SelectAll() ([]schemas.TitleSchema, error) {
 			&(tmpSubjectShortForm),
 			&(tmpSubjectDepartment),
 			&(tmpSubjectDescription),
-			&(tmpTitle.UnlockScore),
-			&(tmpTitle.UnlockWin),
+			&(tmpUnlockScore),
+			&(tmpUnlockWin),
 		)
 
 		if errFetch != nil {
 			return nil, fmt.Errorf("Cannot scan db values into titles list. " + errFetch.Error())
 		}
 
+		if tmpUnlockScore.Valid {
+			tmpTitle.UnlockScore = tmpUnlockScore.Int32
+		} else {
+			tmpTitle.UnlockScore = -1
+		}
+
+		if tmpUnlockWin.Valid {
+			tmpTitle.UnlockWin = tmpUnlockWin.Int32
+		} else {
+			tmpTitle.UnlockWin = -1
+		}
+
 		if tmpSubjectName.Valid {
 			tmpTitle.Subject = &schemas.Subject{
 				ID:          uint32(tmpSubjectID.Int32),
@@ -196,6 +225,9 @@ func (MySQLTitleQuery) SelectByID(titleID uint32) (*schemas.TitleSchema, error)
 
 	var title schemas.TitleSchema
 
+	var tmpUnlockScore sql.NullInt32
+	var tmpUnlockWin sql.NullInt32
+
 	// Temporary subject
 	var tmpSubjectID sql.NullInt32
 	var tmpSubjectName sql.NullString
@@ -211,14 +243,26 @@ func (MySQLTitleQuery) SelectByID(titleID uint32) (*schemas.TitleSchema, error)
 		&(tmpSubjectShortForm),
 		&(tmpSubjectDepartment),
 		&(tmpSubjectDescription),
-		&title.UnlockScore,
-		&title.UnlockWin,
+		&tmpUnlockScore,
+		&tmpUnlockWin,
 	)
 
 	if errScan != nil {
 		return nil, fmt.Errorf("Could not get title form database. %s", errScan.Error())
 	}
 
+	if tmpUnlockScore.Valid {
+		title.UnlockScore = tmpUnlockScore.Int32
+	} else {
+		title.UnlockScore = -1
+	}
+
+	if tmpUnlockWin.Valid {
+		title.UnlockWin = tmpUnlockWin.Int32
+	} else {
+		title.UnlockWin = -1
+	}
+
 	if tmpSubjectName.Valid {
 		title.Subject = &schemas.Subject{
 			ID:          uint32(tmpSubjectID.Int32),
@@ -257,6 +301,7 @@ func (MySQLTitleQuery) SelectAndUpdateNew(userID uint32) ([]schemas.TitleSchema,
 
 	for res.Next() {
 		var newTitle = schemas.TitleSchema{}
+		var tmpUnlockScore sql.NullInt32
 		var tmpSubjectID sql.NullInt32
 		var tmpSubjectName sql.NullString
 		var tmpSubjectShortForm sql.NullString
@@ -270,12 +315,18 @@ func (MySQLTitleQuery) SelectAndUpdateNew(userID uint32) ([]schemas.TitleSchema,
 			&(tmpSubjectShortForm),
 			&(tmpSubjectDepartment),
 			&(tmpSubjectDescription),
-			&newTitle.UnlockScore)
+			&tmpUnlockScore)
 
 		if errScan != nil {
 			return nil, fmt.Errorf("Could not scan new titles query result. %s", errScan.Error())
 		}
 
+		if tmpUnlockScore.Valid {
+			newTitle.UnlockScore = tmpUnlockScore.Int32
+		} else {
+			newTitle.UnlockScore = -1
+		}
+
 		if tmpSubjectID.Valid {
 			// the title has a subject. subject is not null
 			var subject schemas.Subject