change to use logging instead of print to stdout

models/role.go

@@ -1,6 +1,6 @@
 package models
 
-import "fmt"
+import "log"
 
 type Role struct {
 	RoleId   int    `db:"RoleId"`
@@ -16,7 +16,7 @@ func QueryRoles() ([]Role, error) {
 	rows, err := db.Queryx("SELECT * FROM roles")
 
 	if err != nil {
-		fmt.Printf("QueryRoles error executing sql record : '%s'\n", err)
+		log.Printf("QueryRoles error executing sql record : '%s'\n", err)
 		return results, err
 	} else {
 		// parse all the results into a slice
@@ -24,13 +24,13 @@ func QueryRoles() ([]Role, error) {
 			var r Role
 			err = rows.StructScan(&r)
 			if err != nil {
-				fmt.Printf("QueryRoles error parsing sql record : '%s'\n", err)
+				log.Printf("QueryRoles error parsing sql record : '%s'\n", err)
 				return results, err
 			}
 			results = append(results, r)
 
 		}
-		fmt.Printf("QueryRoles retrieved '%d' results\n", len(results))
+		log.Printf("QueryRoles retrieved '%d' results\n", len(results))
 	}
 
 	return results, nil