/
settings.go
147 lines (118 loc) · 2.68 KB
/
settings.go
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package pixie
import (
"errors"
"fmt"
"gorm.io/gorm"
"gorm.io/gorm/clause"
"github.com/tuupke/pixie/crud"
)
type Settings gorm.DB
func (set *Settings) CrudController() *crud.Controller[Setting] {
return crud.New[Setting]((*gorm.DB)(set))
}
type RawMessage []byte
// MarshalJSON returns m as the JSON encoding of m.
func (m RawMessage) MarshalJSON() ([]byte, error) {
if m == nil || string(m) == "null" {
return []byte("null"), nil
}
if len(m) == 0 {
return m, nil
}
// check if rawMessage is a json, if not pre and append a '"'
fc := string(m[0])
if fc == "[" || fc == "{" {
return m, nil
}
return append(append([]byte("\""), m...), byte('"')), nil
}
// UnmarshalJSON sets *m to a copy of data.
func (m *RawMessage) UnmarshalJSON(data []byte) error {
if m == nil {
return errors.New("RawMessage: UnmarshalJSON on nil pointer")
}
*m = append((*m)[0:0], data...)
return nil
}
func (m *RawMessage) Scan(src any) error {
if src == nil {
*m = nil
return nil
}
switch v := src.(type) {
case []byte:
*m = v
case string:
*m = []byte(v)
default:
return fmt.Errorf("failed to unmarshal raw: %w", src)
}
return nil
}
type Setting struct {
Key string `gorm:"primaryKey" json:"key"`
Value RawMessage `json:"value"`
}
func (s Setting) String() string {
return s.Key
}
func (s Setting) Identifier() fmt.Stringer {
return s
}
// var settings = new(Settings)
func LoadSettings(orm *gorm.DB) *Settings {
return (*Settings)(orm)
}
func (s *Settings) Retrieve(k string) (v string) {
v, _ = s.Get(k)
return
}
func (s *Settings) Fallback(k, fb string) (v string) {
var found bool
if v, found = s.Get(k); !found {
v = fb
}
return
}
func (s *Settings) Has(k string) (exists bool) {
var setting []Setting
((*gorm.DB)(s)).Model(Setting{}).Where(clause.IN{
Column: clause.Column{
Table: clause.CurrentTable,
Name: "key",
Raw: false,
},
Values: []interface{}{k},
}).Find(&setting)
return len(setting) > 0
}
func (s *Settings) Get(k string) (v string, found bool) {
var setting []Setting
((*gorm.DB)(s)).Model(Setting{}).Where(clause.IN{
Column: clause.Column{
Table: clause.CurrentTable,
Name: "key",
Raw: false,
},
Values: []interface{}{k},
}).Find(&setting)
if len(setting) > 0 {
v = string(setting[0].Value)
}
return
}
func (s *Settings) Set(k string, v []byte) {
setting := &Setting{
Key: k,
Value: v,
}
(*gorm.DB)(s).Model(setting).Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "key"}},
DoUpdates: clause.AssignmentColumns([]string{"value"}),
}).Create(setting)
}
func (s Settings) SetMultiple(settings ...Setting) {
for _, setting := range settings {
s.Set(setting.Key, setting.Value)
}
}