Files
cmbone/internal/services/appconfig_service.go
T
2026-07-09 00:12:30 +08:00

151 lines
3.5 KiB
Go

package services
import (
"cmbone/internal/models"
"database/sql"
"fmt"
"strconv"
)
type AppConfigService struct {
store *SuiStore
}
// 创建新的AppConfigService实例
func NewAppConfigService(store *SuiStore) *AppConfigService {
return &AppConfigService{
store: store,
}
}
// 根据key获取配置项
func (r *AppConfigService) GetAppConfig(key string) (string, error) {
row := r.store.DB.QueryRow(`
SELECT value
FROM appconfig
WHERE key = ?
`, key)
var value string
err := row.Scan(&value)
if err != nil {
if err == sql.ErrNoRows {
return "", nil
}
return "", err
}
return value, nil
}
// 设置或更新配置项
func (r *AppConfigService) SetAppConfig(key, value string) error {
configType := "user"
description := ""
if definition, ok := settingDefinitionByKey(key); ok {
if definition.ReadOnly {
return fmt.Errorf("setting %q is read only", key)
}
if err := validateSettingValue(definition, value); err != nil {
return err
}
configType = definition.Type
description = definition.Description
}
_, err := r.store.DB.Exec(`
INSERT INTO appconfig (key, type, value, description)
VALUES (?, ?, ?, ?)
ON CONFLICT(key) DO UPDATE SET
type=excluded.type,
value=excluded.value,
description=excluded.description
`, key, configType, value, description)
return err
}
// 获取应用语言
func (s *AppConfigService) GetLanguage() string {
lang, err := s.GetAppConfig("language")
if err != nil || lang == "" {
return "en"
}
return lang
}
// 设置应用语言
func (s *AppConfigService) SetLanguage(lang string) error {
return s.SetAppConfig("language", lang)
}
func (s *AppConfigService) GetSettingsSchema() ([]models.AppSettingGroup, error) {
values, err := s.getAppConfigValues()
if err != nil {
return nil, err
}
definitionsByCategory := make(map[string][]models.AppSettingDefinition)
for _, definition := range settingsDefinitions() {
value := values[definition.Key]
if value == "" {
value = definition.DefaultValue
}
definition.Value = value
if definition.Options == nil {
definition.Options = []models.AppSettingOption{}
}
definitionsByCategory[definition.Category] = append(definitionsByCategory[definition.Category], definition)
}
groups := make([]models.AppSettingGroup, 0, len(settingGroups))
for _, group := range settingGroups {
group.Items = definitionsByCategory[group.Category]
if len(group.Items) > 0 {
groups = append(groups, group)
}
}
return groups, nil
}
func (s *AppConfigService) getAppConfigValues() (map[string]string, error) {
rows, err := s.store.DB.Query("SELECT key, value FROM appconfig")
if err != nil {
return nil, err
}
defer rows.Close()
values := make(map[string]string)
for rows.Next() {
var key string
var value string
if err := rows.Scan(&key, &value); err != nil {
return nil, err
}
values[key] = value
}
if err := rows.Err(); err != nil {
return nil, err
}
return values, nil
}
func validateSettingValue(definition models.AppSettingDefinition, value string) error {
switch definition.Type {
case settingTypeSelect:
for _, option := range definition.Options {
if option.Value == value {
return nil
}
}
return fmt.Errorf("setting %q value %q is not allowed", definition.Key, value)
case settingTypeBoolean:
if value == "true" || value == "false" {
return nil
}
return fmt.Errorf("setting %q expects boolean string", definition.Key)
case settingTypeNumber:
if _, err := strconv.Atoi(value); err != nil {
return fmt.Errorf("setting %q expects number string: %w", definition.Key, err)
}
}
return nil
}