Files
image2api/backend/internal/repo/banned_word_repo.go
T
2026-07-05 14:59:05 +08:00

97 lines
2.7 KiB
Go

package repo
import (
"context"
"errors"
"strings"
"time"
"backend/internal/model"
"github.com/google/uuid"
"gorm.io/gorm"
)
type BannedWordRepository struct {
db *gorm.DB
}
func NewBannedWordRepository(db *gorm.DB) *BannedWordRepository {
return &BannedWordRepository{db: db}
}
func (r *BannedWordRepository) List(ctx context.Context) ([]model.BannedWord, error) {
var items []model.BannedWord
err := r.db.WithContext(ctx).Order("created_at DESC, hits DESC").Find(&items).Error
return items, err
}
func (r *BannedWordRepository) Create(ctx context.Context, word string) (*model.BannedWord, error) {
word = strings.TrimSpace(word)
if word == "" {
return nil, errors.New("违禁词不能为空")
}
item := &model.BannedWord{
ID: strings.ReplaceAll(uuid.NewString(), "-", "")[:32],
Word: word,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
if err := r.db.WithContext(ctx).Create(item).Error; err != nil {
return nil, errors.New("添加失败(可能已存在)")
}
return item, nil
}
// BulkCreate inserts the given words, skipping blanks and ones already in the
// table (case-insensitive). Returns how many were added vs skipped.
func (r *BannedWordRepository) BulkCreate(ctx context.Context, words []string) (added, skipped int, err error) {
existing, err := r.List(ctx)
if err != nil {
return 0, 0, err
}
seen := make(map[string]bool, len(existing))
for _, w := range existing {
seen[strings.ToLower(w.Word)] = true
}
for _, w := range words {
w = strings.TrimSpace(w)
if w == "" {
continue
}
key := strings.ToLower(w)
if seen[key] {
skipped++
continue
}
item := &model.BannedWord{
ID: strings.ReplaceAll(uuid.NewString(), "-", "")[:32],
Word: w,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
if e := r.db.WithContext(ctx).Create(item).Error; e != nil {
skipped++
continue
}
seen[key] = true
added++
}
return added, skipped, nil
}
func (r *BannedWordRepository) Delete(ctx context.Context, id string) (int64, error) {
res := r.db.WithContext(ctx).Delete(&model.BannedWord{}, "id = ?", id)
return res.RowsAffected, res.Error
}
// RecordHit bumps the word's block counter and, when userID is set, the user's
// 违禁词触发次数 shown on the admin users table. Best-effort bookkeeping.
func (r *BannedWordRepository) RecordHit(ctx context.Context, wordID, userID string) {
_ = r.db.WithContext(ctx).Model(&model.BannedWord{}).Where("id = ?", wordID).
UpdateColumn("hits", gorm.Expr("hits + 1")).Error
if userID != "" {
_ = r.db.WithContext(ctx).Model(&model.User{}).Where("id = ?", userID).
UpdateColumn("banned_word_hits", gorm.Expr("banned_word_hits + 1")).Error
}
}