freefire
9fe299a45f
将 model/service/handler/middleware 迁至 models/services/routers/api/modules/auth，并删除 frontend、embed_static、scripts 及误入库缓存/二进制。 Co-authored-by: Cursor <cursoragent@cursor.com>
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
package service
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import (
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"regexp"
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"strings"
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"git.iioio.com/freefire/jiang13-forum/model"
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)
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const maxMentionsPerContent = 10
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// 与前端 highlightMentions 字符集对齐（字母数字下划线中文，兼容历史 -）
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// Go RE2 不支持 JS 的 \uXXXX，需用 \x{HHHH}
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var mentionPattern = regexp.MustCompile(`@([0-9A-Za-z_\x{4e00}-\x{9fa5}-]+)`)
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// ExtractMentionNames 从纯文本提取 @提及名（去重、保序）
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func ExtractMentionNames(text string) []string {
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matches := mentionPattern.FindAllStringSubmatch(text, -1)
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if len(matches) == 0 {
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return nil
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}
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seen := make(map[string]struct{}, len(matches))
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out := make([]string, 0, len(matches))
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for _, m := range matches {
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name := strings.TrimSpace(m[1])
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if name == "" {
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continue
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}
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key := strings.ToLower(name)
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if _, ok := seen[key]; ok {
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continue
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}
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seen[key] = struct{}{}
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out = append(out, name)
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if len(out) >= maxMentionsPerContent {
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break
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}
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}
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return out
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}
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// ResolveMentionUserIDs 将提及名解析为用户 ID（优先 username，其次 nickname；排除 excludeUserID）
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func ResolveMentionUserIDs(names []string, excludeUserID uint) []uint {
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if len(names) == 0 {
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return nil
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}
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ids := make([]uint, 0, len(names))
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seen := make(map[uint]struct{}, len(names))
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for _, name := range names {
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var u model.User
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err := model.DB.Select("id").Where("username = ?", name).First(&u).Error
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if err != nil {
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err = model.DB.Select("id").Where("nickname = ?", name).First(&u).Error
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}
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if err != nil || u.ID == 0 || u.ID == excludeUserID {
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continue
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}
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if _, ok := seen[u.ID]; ok {
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continue
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}
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seen[u.ID] = struct{}{}
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ids = append(ids, u.ID)
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}
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return ids
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}
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