Working on distribution routes to get data

Database/os.go

@@ -0,0 +1,77 @@
+package database
+
+import (
+	"database/sql"
+	"log"
+)
+
+type OS struct {
+	ID             string `json:"id"`
+	Distribution   string `json:"distribution"`
+	Version        string `json:"version"`
+	End_of_support string `json:"end_of_support"`
+}
+
+func GetOS(db *sql.DB) ([]OS, error) {
+	var oses []OS
+	rows, err := db.Query("SELECT * FROM dashboard_os")
+	if err != nil {
+		log.Println("Error querying list of OS", err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var os OS
+		err := rows.Scan(&os.ID, &os.Distribution, &os.Version, &os.End_of_support)
+		if err != nil {
+			log.Println("Error building list", err)
+		}
+		oses = append(oses, os)
+	}
+	return oses, err
+}
+
+func GetOSbyID(db *sql.DB, id string) (OS, error) {
+	var os OS
+	if err := db.QueryRow("SELECT * FROM dashboard_os where id = ?", id).Scan(&os.ID, &os.Distribution, &os.Version, &os.End_of_support); err != nil {
+		if err == sql.ErrNoRows {
+			return os, nil
+		}
+		log.Println("Error getting OS by ID", err)
+	}
+	return os, nil
+}
+
+func GetDistributionList(db *sql.DB) ([]string, error) {
+	var list []string
+	rows, err := db.Query("SELECT DISTINCT distribution FROM dashboard_os")
+	if err != nil {
+		log.Println("Error getting distribution list", err)
+	}
+	for rows.Next() {
+		var os OS
+		err := rows.Scan(&os.Distribution)
+		if err != nil {
+			log.Println("Error building distribution list", err)
+		}
+		list = append(list, os.Distribution)
+	}
+	return list, nil
+}
+
+func GetVersionByDistributionList(db *sql.DB, d string) ([]string, error) {
+	var list []string
+	rows, err := db.Query("SELECT DISTINCT version FROM dashboard_os where distribution = ?", d)
+	if err != nil {
+		log.Println("Error getting distribution list", err)
+	}
+	for rows.Next() {
+		var os OS
+		err := rows.Scan(&os.Distribution)
+		if err != nil {
+			log.Println("Error building distribution list", err)
+		}
+		list = append(list, os.Distribution)
+	}
+	return list, nil
+}

Database/utils.go

@@ -19,7 +19,6 @@ func dsn() string {
 }
 
 func GetDatabaseConnection() *sql.DB {
-	log.Println("dsn: ", dsn())
 	DB_conn, err := sql.Open("mysql", dsn())
 	if err != nil {
 		log.Println("Database connection error : ", err)