V2 alpha - initial version (#172)

Initial alpha codebase for version 2 of WireGuard Portal.
This version is considered unstable and incomplete (for example, no public REST API)! 
Use with care!


Fixes/Implements the following issues:
 - OAuth support #154, #1 
 - New Web UI with internationalisation support #98, #107, #89, #62
 - Postgres Support #49 
 - Improved Email handling #47, #119 
 - DNS Search Domain support #46 
 - Bugfixes #94, #48 

---------

Co-authored-by: Fabian Wechselberger <wechselbergerf@hotmail.com>

internal/domain/options.go

@@ -0,0 +1,113 @@
+package domain
+
+type StringConfigOption struct {
+	Value       string `gorm:"column:v"`
+	Overridable bool   `gorm:"column:o"`
+}
+
+func (o StringConfigOption) GetValue() string {
+	return o.Value
+}
+
+func (o *StringConfigOption) SetValue(value string) {
+	o.Value = value
+}
+
+func (o *StringConfigOption) TrySetValue(value string) bool {
+	if o.Overridable {
+		o.Value = value
+		return true
+	}
+	return false
+}
+
+func NewStringConfigOption(value string, overridable bool) StringConfigOption {
+	return StringConfigOption{
+		Value:       value,
+		Overridable: overridable,
+	}
+}
+
+type IntConfigOption struct {
+	Value       int  `gorm:"column:v"`
+	Overridable bool `gorm:"column:o"`
+}
+
+func (o IntConfigOption) GetValue() int {
+	return o.Value
+}
+
+func (o *IntConfigOption) SetValue(value int) {
+	o.Value = value
+}
+
+func (o *IntConfigOption) TrySetValue(value int) bool {
+	if o.Overridable {
+		o.Value = value
+		return true
+	}
+	return false
+}
+
+func NewIntConfigOption(value int, overridable bool) IntConfigOption {
+	return IntConfigOption{
+		Value:       value,
+		Overridable: overridable,
+	}
+}
+
+type Int32ConfigOption struct {
+	Value       int32 `gorm:"column:v"`
+	Overridable bool  `gorm:"column:o"`
+}
+
+func (o Int32ConfigOption) GetValue() int32 {
+	return o.Value
+}
+
+func (o *Int32ConfigOption) SetValue(value int32) {
+	o.Value = value
+}
+
+func (o *Int32ConfigOption) TrySetValue(value int32) bool {
+	if o.Overridable {
+		o.Value = value
+		return true
+	}
+	return false
+}
+
+func NewInt32ConfigOption(value int32, overridable bool) Int32ConfigOption {
+	return Int32ConfigOption{
+		Value:       value,
+		Overridable: overridable,
+	}
+}
+
+type BoolConfigOption struct {
+	Value       bool `gorm:"column:v"`
+	Overridable bool `gorm:"column:o"`
+}
+
+func (o BoolConfigOption) GetValue() bool {
+	return o.Value
+}
+
+func (o *BoolConfigOption) SetValue(value bool) {
+	o.Value = value
+}
+
+func (o *BoolConfigOption) TrySetValue(value bool) bool {
+	if o.Overridable {
+		o.Value = value
+		return true
+	}
+	return false
+}
+
+func NewBoolConfigOption(value bool, overridable bool) BoolConfigOption {
+	return BoolConfigOption{
+		Value:       value,
+		Overridable: overridable,
+	}
+}