223 lines
6.5 KiB
Go
223 lines
6.5 KiB
Go
package services
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import (
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"encoding/json"
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"fmt"
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"gpt-load/internal/models"
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"regexp"
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"strings"
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"gorm.io/gorm"
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)
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// AddKeysResult holds the result of adding multiple keys.
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type AddKeysResult struct {
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AddedCount int `json:"added_count"`
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IgnoredCount int `json:"ignored_count"`
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TotalInGroup int64 `json:"total_in_group"`
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}
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// DeleteKeysResult holds the result of deleting multiple keys.
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type DeleteKeysResult struct {
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DeletedCount int `json:"deleted_count"`
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IgnoredCount int `json:"ignored_count"`
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TotalInGroup int64 `json:"total_in_group"`
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}
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// KeyService provides services related to API keys.
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type KeyService struct {
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DB *gorm.DB
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}
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// NewKeyService creates a new KeyService.
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func NewKeyService(db *gorm.DB) *KeyService {
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return &KeyService{DB: db}
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}
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// AddMultipleKeys handles the business logic of creating new keys from a text block.
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func (s *KeyService) AddMultipleKeys(groupID uint, keysText string) (*AddKeysResult, error) {
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// 1. Parse keys from the text block
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keys := s.ParseKeysFromText(keysText)
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if len(keys) == 0 {
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return nil, fmt.Errorf("no valid keys found in the input text")
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}
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// 2. Get the group information for validation
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var group models.Group
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if err := s.DB.First(&group, groupID).Error; err != nil {
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return nil, fmt.Errorf("failed to find group: %w", err)
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}
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// 3. Get existing keys in the group for deduplication
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var existingKeys []models.APIKey
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if err := s.DB.Where("group_id = ?", groupID).Select("key_value").Find(&existingKeys).Error; err != nil {
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return nil, err
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}
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existingKeyMap := make(map[string]bool)
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for _, k := range existingKeys {
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existingKeyMap[k.KeyValue] = true
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}
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// 4. Prepare new keys with basic validation only
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var newKeysToCreate []models.APIKey
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uniqueNewKeys := make(map[string]bool)
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for _, keyVal := range keys {
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trimmedKey := strings.TrimSpace(keyVal)
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if trimmedKey == "" {
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continue
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}
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// Check if key already exists
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if existingKeyMap[trimmedKey] || uniqueNewKeys[trimmedKey] {
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continue
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}
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// 通用验证：只做基础格式检查，不做渠道特定验证
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if s.isValidKeyFormat(trimmedKey) {
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uniqueNewKeys[trimmedKey] = true
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newKeysToCreate = append(newKeysToCreate, models.APIKey{
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GroupID: groupID,
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KeyValue: trimmedKey,
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Status: "active",
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})
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}
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}
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addedCount := len(newKeysToCreate)
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// 更准确的忽略计数：包括重复的和无效的
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ignoredCount := len(keys) - addedCount
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// 5. Insert new keys if any
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if addedCount > 0 {
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if err := s.DB.Create(&newKeysToCreate).Error; err != nil {
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return nil, err
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}
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}
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// 6. Get the new total count
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var totalInGroup int64
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if err := s.DB.Model(&models.APIKey{}).Where("group_id = ?", groupID).Count(&totalInGroup).Error; err != nil {
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return nil, err
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}
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return &AddKeysResult{
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AddedCount: addedCount,
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IgnoredCount: ignoredCount,
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TotalInGroup: totalInGroup,
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}, nil
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}
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// ParseKeysFromText parses a string of keys from various formats into a string slice.
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// This function is exported to be shared with the handler layer.
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func (s *KeyService) ParseKeysFromText(text string) []string {
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var keys []string
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// First, try to parse as a JSON array of strings
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if json.Unmarshal([]byte(text), &keys) == nil && len(keys) > 0 {
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return s.filterValidKeys(keys)
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}
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// 通用解析：通过分隔符分割文本，不使用复杂的正则表达式
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delimiters := regexp.MustCompile(`[\s,;|\n\r\t]+`)
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splitKeys := delimiters.Split(strings.TrimSpace(text), -1)
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for _, key := range splitKeys {
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key = strings.TrimSpace(key)
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if key != "" {
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keys = append(keys, key)
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}
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}
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return s.filterValidKeys(keys)
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}
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// filterValidKeys validates and filters potential API keys
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func (s *KeyService) filterValidKeys(keys []string) []string {
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var validKeys []string
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for _, key := range keys {
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key = strings.TrimSpace(key)
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if s.isValidKeyFormat(key) {
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validKeys = append(validKeys, key)
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}
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}
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return validKeys
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}
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// isValidKeyFormat performs basic validation on key format
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func (s *KeyService) isValidKeyFormat(key string) bool {
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if len(key) < 4 || len(key) > 1000 {
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return false
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}
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if key == "" ||
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strings.TrimSpace(key) == "" {
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return false
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}
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validChars := regexp.MustCompile(`^[a-zA-Z0-9_\-./+=:]+$`)
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return validChars.MatchString(key)
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}
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// RestoreAllInvalidKeys sets the status of all 'inactive' keys in a group to 'active'.
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func (s *KeyService) RestoreAllInvalidKeys(groupID uint) (int64, error) {
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result := s.DB.Model(&models.APIKey{}).Where("group_id = ? AND status = ?", groupID, "inactive").Update("status", "active")
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return result.RowsAffected, result.Error
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}
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// ClearAllInvalidKeys deletes all 'inactive' keys from a group.
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func (s *KeyService) ClearAllInvalidKeys(groupID uint) (int64, error) {
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result := s.DB.Where("group_id = ? AND status = ?", groupID, "inactive").Delete(&models.APIKey{})
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return result.RowsAffected, result.Error
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}
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// DeleteMultipleKeys handles the business logic of deleting keys from a text block.
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func (s *KeyService) DeleteMultipleKeys(groupID uint, keysText string) (*DeleteKeysResult, error) {
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// 1. Parse keys from the text block
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keysToDelete := s.ParseKeysFromText(keysText)
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if len(keysToDelete) == 0 {
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return nil, fmt.Errorf("no valid keys found in the input text")
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}
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// 2. Perform the deletion
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// GORM's batch delete doesn't easily return which ones were deleted vs. ignored.
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// We perform a bulk delete and then count the remaining to calculate the result.
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result := s.DB.Where("group_id = ? AND key_value IN ?", groupID, keysToDelete).Delete(&models.APIKey{})
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if result.Error != nil {
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return nil, result.Error
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}
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deletedCount := int(result.RowsAffected)
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ignoredCount := len(keysToDelete) - deletedCount
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// 3. Get the new total count
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var totalInGroup int64
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if err := s.DB.Model(&models.APIKey{}).Where("group_id = ?", groupID).Count(&totalInGroup).Error; err != nil {
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return nil, err
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}
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return &DeleteKeysResult{
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DeletedCount: deletedCount,
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IgnoredCount: ignoredCount,
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TotalInGroup: totalInGroup,
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}, nil
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}
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// ListKeysInGroupQuery builds a query to list all keys within a specific group, filtered by status.
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// It returns a GORM query builder, allowing the handler to apply pagination.
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func (s *KeyService) ListKeysInGroupQuery(groupID uint, statusFilter string, searchKeyword string) *gorm.DB {
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query := s.DB.Model(&models.APIKey{}).Where("group_id = ?", groupID)
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if statusFilter != "" {
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query = query.Where("status = ?", statusFilter)
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}
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if searchKeyword != "" {
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// Use LIKE for fuzzy search on the key_value
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query = query.Where("key_value LIKE ?", "%"+searchKeyword+"%")
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}
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return query
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}
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