add configs

providers/config/section_database.go

@@ -0,0 +1,48 @@
+package config
+
+import "fmt"
+
+// Database database config
+type Database struct {
+	MySQL      MySQL
+	PostgreSQL PostgreSQL
+}
+
+// MySQL database config
+type MySQL struct {
+	Host     string
+	Port     uint
+	Database string
+	Username string
+	Password string
+}
+
+// DSN is the mysql connection dsn
+func (m *MySQL) DSN() string {
+	dsnTpl := "%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local"
+
+	authString := func() string {
+		if len(m.Password) > 0 {
+			return m.Username + ":" + m.Password
+		}
+		return m.Username
+	}
+
+	return fmt.Sprintf(dsnTpl, authString(), m.Host, m.Port, m.Database)
+}
+
+type PostgreSQL struct {
+	User     string
+	Password string
+	Database string
+	Host     string
+	Port     uint
+	SslMode  string
+	TimeZone string
+}
+
+// DSN is the mysql connection dsn
+func (m *PostgreSQL) DSN() string {
+	dsnTpl := "host=%s user=%s password=%s dbname=%s port=%d sslmode=%s TimeZone=%s"
+	return fmt.Sprintf(dsnTpl, m.Host, m.User, m.Password, m.Database, m.Port, m.SslMode, m.TimeZone)
+}