45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
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package services
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import (
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"context"
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"strings"
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"gorm.io/gorm"
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)
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// moderationKeywordRow maps to moderation_keywords table for Pluck.
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type moderationKeywordRow struct {
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Word string `gorm:"column:word"`
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}
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// CommentModerationService provides deterministic keyword-based moderation (no ML).
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// v0.10.3 F201: ORIGIN_REVISION_SUMMARY §2 "Modération : règles déterministes"
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type CommentModerationService struct {
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db *gorm.DB
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}
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// NewCommentModerationService creates a new comment moderation service.
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func NewCommentModerationService(db *gorm.DB) *CommentModerationService {
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return &CommentModerationService{db: db}
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}
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// ContainsBannedKeyword checks if content contains any banned keyword (case-insensitive).
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// Returns true if content should be rejected.
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func (s *CommentModerationService) ContainsBannedKeyword(ctx context.Context, content string) (bool, error) {
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var rows []moderationKeywordRow
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if err := s.db.WithContext(ctx).
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Table("moderation_keywords").
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Select("word").
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Find(&rows).Error; err != nil {
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return false, err
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}
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contentLower := strings.ToLower(content)
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for _, row := range rows {
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if strings.Contains(contentLower, strings.ToLower(row.Word)) {
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return true, nil
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}
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}
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return false, nil
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}
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