463 lines
14 KiB
Go
463 lines
14 KiB
Go
package app
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import (
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"encoding/json"
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"errors"
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"fmt"
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"math/rand"
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"regexp"
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"strconv"
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"strings"
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"time"
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"git.echol.cn/loser/st/server/global"
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"git.echol.cn/loser/st/server/model/app"
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"git.echol.cn/loser/st/server/model/app/request"
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"git.echol.cn/loser/st/server/model/app/response"
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"go.uber.org/zap"
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"gorm.io/datatypes"
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"gorm.io/gorm"
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)
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type RegexScriptService struct{}
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// CreateRegexScript 创建正则脚本
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func (s *RegexScriptService) CreateRegexScript(userID uint, req *request.CreateRegexScriptRequest) (*response.RegexScriptResponse, error) {
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trimStringsJSON, _ := json.Marshal(req.TrimStrings)
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script := &app.RegexScript{
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UserID: userID,
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Name: req.Name,
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FindRegex: req.FindRegex,
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ReplaceWith: req.ReplaceWith,
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TrimStrings: datatypes.JSON(trimStringsJSON),
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Placement: req.Placement,
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Disabled: req.Disabled,
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MarkdownOnly: req.MarkdownOnly,
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RunOnEdit: req.RunOnEdit,
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PromptOnly: req.PromptOnly,
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SubstituteRegex: req.SubstituteRegex,
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MinDepth: req.MinDepth,
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MaxDepth: req.MaxDepth,
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Scope: req.Scope,
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OwnerCharID: req.OwnerCharID,
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OwnerPresetID: req.OwnerPresetID,
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Order: req.Order,
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}
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if err := global.GVA_DB.Create(script).Error; err != nil {
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global.GVA_LOG.Error("创建正则脚本失败", zap.Error(err))
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return nil, err
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}
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resp := response.ToRegexScriptResponse(script)
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return &resp, nil
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}
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// GetRegexScriptList 获取正则脚本列表
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func (s *RegexScriptService) GetRegexScriptList(userID uint, req *request.GetRegexScriptListRequest) ([]response.RegexScriptResponse, int64, error) {
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var scripts []app.RegexScript
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var total int64
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db := global.GVA_DB.Model(&app.RegexScript{}).Where("user_id = ?", userID)
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if req.Keyword != "" {
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db = db.Where("name LIKE ?", "%"+req.Keyword+"%")
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}
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if req.Scope != nil {
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db = db.Where("scope = ?", *req.Scope)
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}
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if req.OwnerCharID != nil {
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db = db.Where("owner_char_id = ?", *req.OwnerCharID)
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}
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if err := db.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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offset := (req.Page - 1) * req.PageSize
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if err := db.Order("\"order\" ASC, created_at DESC").Offset(offset).Limit(req.PageSize).Find(&scripts).Error; err != nil {
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global.GVA_LOG.Error("获取正则脚本列表失败", zap.Error(err))
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return nil, 0, err
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}
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var list []response.RegexScriptResponse
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for i := range scripts {
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list = append(list, response.ToRegexScriptResponse(&scripts[i]))
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}
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return list, total, nil
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}
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// GetRegexScriptByID 获取正则脚本详情
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func (s *RegexScriptService) GetRegexScriptByID(userID uint, id uint) (*response.RegexScriptResponse, error) {
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var script app.RegexScript
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if err := global.GVA_DB.Where("id = ? AND user_id = ?", id, userID).First(&script).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("正则脚本不存在或无权访问")
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}
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return nil, err
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}
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resp := response.ToRegexScriptResponse(&script)
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return &resp, nil
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}
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// UpdateRegexScript 更新正则脚本
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func (s *RegexScriptService) UpdateRegexScript(userID uint, id uint, req *request.UpdateRegexScriptRequest) error {
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var script app.RegexScript
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if err := global.GVA_DB.Where("id = ? AND user_id = ?", id, userID).First(&script).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return errors.New("正则脚本不存在或无权修改")
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}
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return err
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}
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updates := make(map[string]interface{})
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if req.Name != nil {
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updates["name"] = *req.Name
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}
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if req.FindRegex != nil {
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updates["find_regex"] = *req.FindRegex
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}
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if req.ReplaceWith != nil {
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updates["replace_with"] = *req.ReplaceWith
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}
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if req.TrimStrings != nil {
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trimStringsJSON, _ := json.Marshal(req.TrimStrings)
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updates["trim_strings"] = datatypes.JSON(trimStringsJSON)
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}
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if req.Placement != nil {
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updates["placement"] = *req.Placement
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}
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if req.Disabled != nil {
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updates["disabled"] = *req.Disabled
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}
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if req.MarkdownOnly != nil {
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updates["markdown_only"] = *req.MarkdownOnly
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}
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if req.RunOnEdit != nil {
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updates["run_on_edit"] = *req.RunOnEdit
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}
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if req.PromptOnly != nil {
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updates["prompt_only"] = *req.PromptOnly
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}
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if req.SubstituteRegex != nil {
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updates["substitute_regex"] = *req.SubstituteRegex
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}
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if req.MinDepth != nil {
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updates["min_depth"] = req.MinDepth
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}
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if req.MaxDepth != nil {
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updates["max_depth"] = req.MaxDepth
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}
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if req.Scope != nil {
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updates["scope"] = *req.Scope
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}
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if req.OwnerCharID != nil {
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updates["owner_char_id"] = req.OwnerCharID
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}
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if req.OwnerPresetID != nil {
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updates["owner_preset_id"] = req.OwnerPresetID
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}
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if req.Order != nil {
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updates["order"] = *req.Order
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}
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return global.GVA_DB.Model(&script).Updates(updates).Error
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}
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// DeleteRegexScript 删除正则脚本
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func (s *RegexScriptService) DeleteRegexScript(userID uint, id uint) error {
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result := global.GVA_DB.Where("id = ? AND user_id = ?", id, userID).Delete(&app.RegexScript{})
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return errors.New("正则脚本不存在或无权删除")
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}
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return nil
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}
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// TestRegexScript 测试正则脚本
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func (s *RegexScriptService) TestRegexScript(userID uint, id uint, testString string) (*response.TestRegexScriptResponse, error) {
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var script app.RegexScript
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if err := global.GVA_DB.Where("id = ? AND user_id = ?", id, userID).First(&script).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("正则脚本不存在或无权访问")
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}
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return nil, err
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}
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result, err := s.ExecuteScript(&script, testString, "", "")
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if err != nil {
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return &response.TestRegexScriptResponse{
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Original: testString,
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Result: testString,
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Success: false,
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Error: err.Error(),
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}, nil
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}
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return &response.TestRegexScriptResponse{
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Original: testString,
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Result: result,
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Success: true,
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}, nil
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}
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// ExecuteScript 执行正则脚本
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func (s *RegexScriptService) ExecuteScript(script *app.RegexScript, text string, userName string, charName string) (string, error) {
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if script.Disabled {
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return text, nil
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}
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result := text
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// 1. 宏替换
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if script.SubstituteRegex {
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result = s.substituteMacros(result, userName, charName)
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}
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// 2. 正则替换
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if script.FindRegex != "" {
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re, err := regexp.Compile(script.FindRegex)
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if err != nil {
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global.GVA_LOG.Warn("正则表达式编译失败", zap.String("pattern", script.FindRegex), zap.Error(err))
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return text, err
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}
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// 特殊处理：如果正则匹配 <Status_block>，需要提取 YAML 并注入到 HTML 模板中
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if strings.Contains(script.FindRegex, "Status_block") {
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result = s.replaceStatusBlockWithHTML(result, script.ReplaceWith, re)
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} else {
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result = re.ReplaceAllString(result, script.ReplaceWith)
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}
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}
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// 3. 修剪字符串
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if len(script.TrimStrings) > 0 {
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var trimStrings []string
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json.Unmarshal(script.TrimStrings, &trimStrings)
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for _, trimStr := range trimStrings {
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result = strings.ReplaceAll(result, trimStr, "")
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}
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}
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return result, nil
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}
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// replaceStatusBlockWithHTML 替换 <Status_block> 为 HTML 模板，并注入 YAML 数据
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func (s *RegexScriptService) replaceStatusBlockWithHTML(text string, htmlTemplate string, statusBlockRegex *regexp.Regexp) string {
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return statusBlockRegex.ReplaceAllStringFunc(text, func(match string) string {
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// 提取 YAML 数据
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yamlRegex := regexp.MustCompile(`<Status_block>\s*([\s\S]*?)\s*</Status_block>`)
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yamlMatches := yamlRegex.FindStringSubmatch(match)
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if len(yamlMatches) < 2 {
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global.GVA_LOG.Warn("无法提取 Status_block 中的 YAML 数据")
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return match
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}
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yamlData := strings.TrimSpace(yamlMatches[1])
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// 在 HTML 模板中查找 <script id="yaml-data-source" type="text/yaml"></script>
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// 并将 YAML 数据注入其中
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injectedHTML := strings.Replace(
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htmlTemplate,
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`<script id="yaml-data-source" type="text/yaml"></script>`,
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fmt.Sprintf(`<script id="yaml-data-source" type="text/yaml">%s</script>`, yamlData),
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1,
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)
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global.GVA_LOG.Info(fmt.Sprintf("[正则脚本] 已将 Status_block YAML 数据注入到 HTML 模板，YAML 长度: %d", len(yamlData)))
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return injectedHTML
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})
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}
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// substituteMacros 替换宏变量
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func (s *RegexScriptService) substituteMacros(text string, userName string, charName string) string {
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result := text
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// 保存原始文本
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result = strings.ReplaceAll(result, "{{original}}", text)
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// 用户名变量
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if userName != "" {
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result = strings.ReplaceAll(result, "{{user}}", userName)
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result = strings.ReplaceAll(result, "{{User}}", userName)
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}
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// 角色名变量
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if charName != "" {
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result = strings.ReplaceAll(result, "{{char}}", charName)
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result = strings.ReplaceAll(result, "{{Char}}", charName)
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}
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// 时间变量
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now := time.Now()
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result = strings.ReplaceAll(result, "{{time}}", now.Format("15:04:05"))
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result = strings.ReplaceAll(result, "{{date}}", now.Format("2006-01-02"))
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result = strings.ReplaceAll(result, "{{datetime}}", now.Format("2006-01-02 15:04:05"))
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result = strings.ReplaceAll(result, "{{timestamp}}", fmt.Sprintf("%d", now.Unix()))
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result = strings.ReplaceAll(result, "{{time_12h}}", now.Format("03:04:05 PM"))
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result = strings.ReplaceAll(result, "{{date_short}}", now.Format("01/02/06"))
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result = strings.ReplaceAll(result, "{{weekday}}", now.Weekday().String())
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result = strings.ReplaceAll(result, "{{month}}", now.Month().String())
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result = strings.ReplaceAll(result, "{{year}}", fmt.Sprintf("%d", now.Year()))
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// 随机数变量
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result = regexp.MustCompile(`\{\{random:(\d+)-(\d+)\}\}`).ReplaceAllStringFunc(result, func(match string) string {
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re := regexp.MustCompile(`\{\{random:(\d+)-(\d+)\}\}`)
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matches := re.FindStringSubmatch(match)
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if len(matches) == 3 {
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min, _ := strconv.Atoi(matches[1])
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max, _ := strconv.Atoi(matches[2])
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if max > min {
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return fmt.Sprintf("%d", rand.Intn(max-min+1)+min)
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}
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}
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return match
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})
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// 简单随机数 {{random}}
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result = regexp.MustCompile(`\{\{random\}\}`).ReplaceAllStringFunc(result, func(match string) string {
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return fmt.Sprintf("%d", rand.Intn(100))
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})
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// 随机选择 {{pick:option1|option2|option3}}
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result = regexp.MustCompile(`\{\{pick:([^}]+)\}\}`).ReplaceAllStringFunc(result, func(match string) string {
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re := regexp.MustCompile(`\{\{pick:([^}]+)\}\}`)
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matches := re.FindStringSubmatch(match)
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if len(matches) == 2 {
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options := strings.Split(matches[1], "|")
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if len(options) > 0 {
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return options[rand.Intn(len(options))]
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}
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}
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return match
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})
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// 换行符变量
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result = strings.ReplaceAll(result, "{{newline}}", "\n")
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result = strings.ReplaceAll(result, "{{tab}}", "\t")
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result = strings.ReplaceAll(result, "{{space}}", " ")
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// 空值变量
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result = strings.ReplaceAll(result, "{{empty}}", "")
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return result
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}
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// ExtractSetVars 从文本中提取 {{setvar::key::value}} 并返回变量映射和清理后的文本
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func (s *RegexScriptService) ExtractSetVars(text string) (map[string]string, string) {
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vars := make(map[string]string)
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// 匹配 {{setvar::key::value}}
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re := regexp.MustCompile(`\{\{setvar::([^:]+)::([^}]*)\}\}`)
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matches := re.FindAllStringSubmatch(text, -1)
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for _, match := range matches {
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if len(match) == 3 {
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key := strings.TrimSpace(match[1])
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value := match[2]
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vars[key] = value
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}
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}
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// 从文本中移除所有 {{setvar::}} 标记
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cleanText := re.ReplaceAllString(text, "")
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return vars, cleanText
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}
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// SubstituteGetVars 替换文本中的 {{getvar::key}} 为实际变量值
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func (s *RegexScriptService) SubstituteGetVars(text string, variables map[string]string) string {
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result := text
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// 匹配 {{getvar::key}}
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re := regexp.MustCompile(`\{\{getvar::([^}]+)\}\}`)
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result = re.ReplaceAllStringFunc(result, func(match string) string {
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matches := re.FindStringSubmatch(match)
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if len(matches) == 2 {
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key := strings.TrimSpace(matches[1])
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if value, ok := variables[key]; ok {
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return value
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}
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}
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return "" // 如果变量不存在，返回空字符串
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})
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return result
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}
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// ExtractStatusBlock 提取 <Status_block> 中的 YAML 数据
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func (s *RegexScriptService) ExtractStatusBlock(text string) (string, string) {
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// 匹配 <Status_block>...</Status_block>
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re := regexp.MustCompile(`(?s)<Status_block>\s*(.*?)\s*</Status_block>`)
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matches := re.FindStringSubmatch(text)
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if len(matches) == 2 {
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statusBlock := strings.TrimSpace(matches[1])
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cleanText := re.ReplaceAllString(text, "")
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return statusBlock, cleanText
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}
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return "", text
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}
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// ExtractMaintext 提取 <maintext> 中的内容
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func (s *RegexScriptService) ExtractMaintext(text string) (string, string) {
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// 匹配 <maintext>...</maintext>
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re := regexp.MustCompile(`(?s)<maintext>\s*(.*?)\s*</maintext>`)
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matches := re.FindStringSubmatch(text)
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if len(matches) == 2 {
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maintext := strings.TrimSpace(matches[1])
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cleanText := re.ReplaceAllString(text, "")
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return maintext, cleanText
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}
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return "", text
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}
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// GetScriptsForPlacement 获取指定阶段的脚本
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func (s *RegexScriptService) GetScriptsForPlacement(userID uint, placement int, charID *uint, presetID *uint) ([]app.RegexScript, error) {
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var scripts []app.RegexScript
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db := global.GVA_DB.Where("user_id = ? AND placement = ? AND disabled = ?", userID, placement, false)
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// 作用域过滤：全局(0) 或 角色(1) 或 预设(2)
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// 使用参数化查询避免 SQL 注入
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if charID != nil && presetID != nil {
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db = db.Where("scope = 0 OR (scope = 1 AND owner_char_id = ?) OR (scope = 2 AND owner_preset_id = ?)", *charID, *presetID)
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} else if charID != nil {
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db = db.Where("scope = 0 OR (scope = 1 AND owner_char_id = ?)", *charID)
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} else if presetID != nil {
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db = db.Where("scope = 0 OR (scope = 2 AND owner_preset_id = ?)", *presetID)
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} else {
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db = db.Where("scope = 0")
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}
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if err := db.Order("\"order\" ASC").Find(&scripts).Error; err != nil {
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return nil, err
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}
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return scripts, nil
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}
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// ExecuteScripts 批量执行脚本
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func (s *RegexScriptService) ExecuteScripts(scripts []app.RegexScript, text string, userName string, charName string) string {
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result := text
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for _, script := range scripts {
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executed, err := s.ExecuteScript(&script, result, userName, charName)
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if err != nil {
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global.GVA_LOG.Warn("执行正则脚本失败", zap.String("name", script.Name), zap.Error(err))
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continue
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}
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result = executed
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}
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return result
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}
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