95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
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package services
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import (
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"tyapi-server/internal/domains/article/entities"
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)
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// ArticleService 文章领域服务
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// 处理文章相关的业务逻辑，包括验证、状态管理等
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type ArticleService struct{}
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// NewArticleService 创建文章领域服务
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func NewArticleService() *ArticleService {
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return &ArticleService{}
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}
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// ValidateArticle 验证文章
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// 检查文章是否符合业务规则
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func (s *ArticleService) ValidateArticle(article *entities.Article) error {
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// 1. 基础验证
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if err := article.Validate(); err != nil {
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return err
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}
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// 2. 业务规则验证
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// 标题不能包含敏感词
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if s.containsSensitiveWords(article.Title) {
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return entities.NewValidationError("文章标题包含敏感词")
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}
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// 内容不能包含敏感词
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if s.containsSensitiveWords(article.Content) {
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return entities.NewValidationError("文章内容包含敏感词")
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}
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// 摘要长度不能超过内容长度
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if article.Summary != "" && len(article.Summary) >= len(article.Content) {
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return entities.NewValidationError("文章摘要不能超过内容长度")
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}
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return nil
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}
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// CanPublish 检查是否可以发布
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func (s *ArticleService) CanPublish(article *entities.Article) error {
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if !article.CanPublish() {
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return entities.NewValidationError("文章状态不允许发布")
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}
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// 检查必填字段
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if article.Title == "" {
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return entities.NewValidationError("文章标题不能为空")
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}
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if article.Content == "" {
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return entities.NewValidationError("文章内容不能为空")
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}
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return nil
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}
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// CanEdit 检查是否可以编辑
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func (s *ArticleService) CanEdit(article *entities.Article) error {
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if !article.CanEdit() {
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return entities.NewValidationError("文章状态不允许编辑")
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}
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return nil
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}
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// containsSensitiveWords 检查是否包含敏感词
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func (s *ArticleService) containsSensitiveWords(text string) bool {
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// TODO: 实现敏感词检查逻辑
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// 这里可以集成敏感词库或调用外部服务
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sensitiveWords := []string{
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"敏感词1",
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"敏感词2",
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"敏感词3",
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}
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for _, word := range sensitiveWords {
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if len(word) > 0 && len(text) > 0 {
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// 简单的字符串包含检查
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// 实际项目中应该使用更复杂的算法
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if len(text) >= len(word) {
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for i := 0; i <= len(text)-len(word); i++ {
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if text[i:i+len(word)] == word {
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return true
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}
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}
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}
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}
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}
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return false
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}
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