129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
package common
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import (
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"database/sql"
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"strconv"
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"strings"
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"sync/atomic"
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"../query_gen/lib"
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)
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var SettingBox atomic.Value // An atomic value pointing to a SettingBox
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// SettingMap is a map type specifically for holding the various settings admins set to toggle features on and off or to otherwise alter Gosora's behaviour from the Control Panel
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type SettingMap map[string]interface{}
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type SettingStore interface {
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ParseSetting(sname string, scontent string, stype string, sconstraint string) string
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BypassGet(name string) (*Setting, error)
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}
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type OptionLabel struct {
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Label string
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Value int
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Selected bool
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}
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type Setting struct {
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Name string
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Content string
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Type string
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Constraint string
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}
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type SettingStmts struct {
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getAll *sql.Stmt
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get *sql.Stmt
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}
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var settingStmts SettingStmts
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func init() {
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SettingBox.Store(SettingMap(make(map[string]interface{})))
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DbInits.Add(func(acc *qgen.Accumulator) error {
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settingStmts = SettingStmts{
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getAll: acc.Select("settings").Columns("name, content, type, constraints").Prepare(),
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get: acc.Select("settings").Columns("content, type, constraints").Where("name = ?").Prepare(),
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}
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return acc.FirstError()
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})
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}
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func LoadSettings() error {
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rows, err := settingStmts.getAll.Query()
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if err != nil {
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return err
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}
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defer rows.Close()
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var sBox = SettingMap(make(map[string]interface{}))
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var sname, scontent, stype, sconstraints string
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for rows.Next() {
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err = rows.Scan(&sname, &scontent, &stype, &sconstraints)
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if err != nil {
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return err
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}
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errmsg := sBox.ParseSetting(sname, scontent, stype, sconstraints)
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if errmsg != "" {
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return err
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}
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}
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err = rows.Err()
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if err != nil {
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return err
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}
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SettingBox.Store(sBox)
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return nil
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}
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// TODO: Add better support for HTML attributes (html-attribute). E.g. Meta descriptions.
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func (sBox SettingMap) ParseSetting(sname string, scontent string, stype string, constraint string) string {
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var err error
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var ssBox = map[string]interface{}(sBox)
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if stype == "bool" {
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ssBox[sname] = (scontent == "1")
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} else if stype == "int" {
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ssBox[sname], err = strconv.Atoi(scontent)
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if err != nil {
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return "You were supposed to enter an integer x.x\nType mismatch in " + sname
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}
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} else if stype == "int64" {
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ssBox[sname], err = strconv.ParseInt(scontent, 10, 64)
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if err != nil {
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return "You were supposed to enter an integer x.x\nType mismatch in " + sname
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}
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} else if stype == "list" {
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cons := strings.Split(constraint, "-")
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if len(cons) < 2 {
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return "Invalid constraint! The second field wasn't set!"
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}
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con1, err := strconv.Atoi(cons[0])
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con2, err2 := strconv.Atoi(cons[1])
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if err != nil || err2 != nil {
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return "Invalid contraint! The constraint field wasn't an integer!"
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}
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value, err := strconv.Atoi(scontent)
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if err != nil {
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return "Only integers are allowed in this setting x.x\nType mismatch in " + sname
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}
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if value < con1 || value > con2 {
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return "Only integers between a certain range are allowed in this setting"
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}
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ssBox[sname] = value
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} else {
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ssBox[sname] = scontent
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}
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return ""
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}
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func (sBox SettingMap) BypassGet(name string) (*Setting, error) {
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setting := &Setting{Name: name}
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err := settingStmts.get.QueryRow(name).Scan(&setting.Content, &setting.Type, &setting.Constraint)
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return setting, err
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}
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