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