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backend_v2/internal/repository/review_repository.go

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package repository
import (
"context"
"errors"
"time"
"fashionapi/internal/dto"
"fashionapi/internal/model"
"gorm.io/gorm"
)
// ReviewRepository 审核草稿的数据访问接口。
//
// 草稿由爬虫 worker 写入(见 IngestRepository),本接口负责「读 + 晋升」:
// 列出待审草稿、查看详情、审核前微调字段、通过时晋升到正式表、驳回时标记状态。
type ReviewRepository interface {
// ListDrafts 分页列出草稿;status 为空表示全部,否则按状态过滤。
// 排序:pending 优先,其次按 id 倒序(最新在前)。
ListDrafts(ctx context.Context, status string, page, size int) ([]model.BrandRunwayDraft, int64, error)
// DraftDetail 查单条草稿(不含图片)。
DraftDetail(ctx context.Context, id uint32) (*model.BrandRunwayDraft, error)
// DraftImages 查草稿的全部图片,按排序值升序。
DraftImages(ctx context.Context, draftID uint32) ([]model.BrandRunwayDraftImage, error)
// UpdateDraft 审核前微调草稿字段(白名单,杜绝任意列注入)。
UpdateDraft(ctx context.Context, id uint32, fields map[string]any) error
// SetDraftStatus 设置草稿状态(通过/驳回)与审核人/驳回理由。
SetDraftStatus(ctx context.Context, id uint32, status, reviewer, reason string) error
// SaveRunwayFromDraft 晋升:按实体键(brand_id + season_code + collection_type)幂等 upsert 到 brand_runways 正式表并替换图片,返回正式表主键。
SaveRunwayFromDraft(ctx context.Context, draftID uint32) (uint32, error)
// 街拍草稿镜像方法(与 runway 同构,但对象为 street_snap_drafts / street_snaps)。
ListStreetDrafts(ctx context.Context, status string, page, size int) ([]model.StreetSnapDraft, int64, error)
StreetDraftDetail(ctx context.Context, id uint32) (*model.StreetSnapDraft, error)
StreetDraftImages(ctx context.Context, draftID uint32) ([]model.StreetSnapDraftImage, error)
// SoftDeleteRunwayDraftImage 软删单张走秀草稿图片(审核阶段剔除坏图),并同步 image_count。
SoftDeleteRunwayDraftImage(ctx context.Context, draftID, imgID uint32) error
// SoftDeleteStreetDraftImage 软删单张街拍草稿图片,并同步 image_count。
SoftDeleteStreetDraftImage(ctx context.Context, draftID, imgID uint32) error
// AttachStreetDraftImages 把 imgIDs 变成 mainImgID 的副图(批量并入)。
// mainImgID 必须属于同一草稿、未被软删、且自身是主图(is_detail=0),否则返回 ErrInvalidImageGroup。
// 若某个被并入的图自身还带着副图,则它原有的副图一并改挂到 mainImgID ——
// 避免出现「副图的副图」破坏不变量(见计划「实现裁决」第 1 条)。
// 幂等:已是 mainImgID 副图的行重复并入不报错。
AttachStreetDraftImages(ctx context.Context, draftID, mainImgID uint32, imgIDs []uint32) error
// AttachPrevStreetDraftImage 把 imgID 并入「同草稿内 sort_order 紧邻的前一行所属组的主图」。
// imgID 是首行(没有上一行)时返回 ErrNotFound。
AttachPrevStreetDraftImage(ctx context.Context, draftID, imgID uint32) error
// DetachStreetDraftImage 把副图恢复为主图(is_detail=0, parent_image_id=0)。
// 对主图调用是幂等成功(无副作用)。
DetachStreetDraftImage(ctx context.Context, draftID, imgID uint32) error
// GetDraftImageKey 取单张草稿图片的S4 key(删除前清理用);不存在返回空串。
GetDraftImageKey(ctx context.Context, kind string, draftID, imgID uint32) (string, error)
UpdateStreetDraft(ctx context.Context, id uint32, fields map[string]any) error
SetStreetDraftStatus(ctx context.Context, id uint32, status, reviewer, reason string) error
SaveStreetSnapFromDraft(ctx context.Context, draftID uint32) (uint32, error)
// CountDraftPending 统计某草稿表(dest 传表对应的零值指针,如 &model.BrandRunwayDraft{})中指定状态的草稿数。
// 供各 ReviewModule 复用,新增模块无需再单独写计数方法。
CountDraftPending(ctx context.Context, status string, dest any) (int64, error)
}
type reviewRepository struct {
db *gorm.DB
}
// NewReviewRepository 创建审核仓储。
func NewReviewRepository(db *gorm.DB) ReviewRepository {
return &reviewRepository{db: db}
}
func (r *reviewRepository) ListDrafts(ctx context.Context, status string, page, size int) ([]model.BrandRunwayDraft, int64, error) {
if page < 1 {
page = 1
}
if size < 1 || size > 100 {
size = 20
}
q := r.db.WithContext(ctx).Model(&model.BrandRunwayDraft{}).Where("is_deleted = 0")
if status != "" {
q = q.Where("status = ?", status)
}
var total int64
if err := q.Count(&total).Error; err != nil {
return nil, 0, err
}
if total == 0 {
return []model.BrandRunwayDraft{}, 0, nil
}
var rows []model.BrandRunwayDraft
if err := q.
Order("CASE status WHEN '" + model.DraftStatusPending + "' THEN 0 ELSE 1 END ASC, id DESC").
Offset((page - 1) * size).
Limit(size).
Find(&rows).Error; err != nil {
return nil, 0, err
}
return rows, total, nil
}
func (r *reviewRepository) DraftDetail(ctx context.Context, id uint32) (*model.BrandRunwayDraft, error) {
var d model.BrandRunwayDraft
if err := r.db.WithContext(ctx).Where("id = ? AND is_deleted = 0", id).First(&d).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrNotFound
}
return nil, err
}
return &d, nil
}
func (r *reviewRepository) DraftImages(ctx context.Context, draftID uint32) ([]model.BrandRunwayDraftImage, error) {
var imgs []model.BrandRunwayDraftImage
err := r.db.WithContext(ctx).
Where("draft_id = ? AND is_deleted = 0", draftID).
Order("sort_order ASC, id ASC").
Find(&imgs).Error
return imgs, err
}
// draftEditable 审核前可微调的字段白名单(键即列名)。
var draftEditable = map[string]bool{
"title_en": true,
"title_cn": true,
"description_en": true,
"description_cn": true,
"year": true,
"season": true,
"collection_type": true,
"season_code": true,
}
// UpdateDraft 只更新白名单内的字段,其余忽略,杜绝任意列注入。
func (r *reviewRepository) UpdateDraft(ctx context.Context, id uint32, fields map[string]any) error {
clean := map[string]any{}
for k, v := range fields {
if draftEditable[k] {
clean[k] = v
}
}
if len(clean) == 0 {
return nil
}
clean["updated_at"] = uint32(time.Now().Unix())
return r.db.WithContext(ctx).
Model(&model.BrandRunwayDraft{}).
Where("id = ?", id).
Updates(clean).Error
}
func (r *reviewRepository) SetDraftStatus(ctx context.Context, id uint32, status, reviewer, reason string) error {
return r.db.WithContext(ctx).
Model(&model.BrandRunwayDraft{}).
Where("id = ?", id).
Updates(map[string]any{
"status": status,
"reviewer": reviewer,
"reject_reason": reason,
"updated_at": uint32(time.Now().Unix()),
}).Error
}
// SaveRunwayFromDraft 晋升草稿到正式表:
// 1. 按实体键(brand_id + season_code + collection_type)查找已存在的正式走秀(幂等:重审同一草稿只更新,不重复建行);
// 2. 存在则更新全部可编辑字段 + 图片数;不存在则新建;
// 3. 替换图片:软删旧图(is_deleted=1)+ 按草稿图片重建;
// 4. 返回正式表主键。
//
// 在事务内完成,保证草稿与正式表一致性。
func (r *reviewRepository) SaveRunwayFromDraft(ctx context.Context, draftID uint32) (uint32, error) {
var draft model.BrandRunwayDraft
if err := r.db.WithContext(ctx).Where("id = ? AND is_deleted = 0", draftID).First(&draft).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return 0, ErrNotFound
}
return 0, err
}
// 多来源聚合:当前草稿图 + 同实体已 approved 的其他草稿图(按 image URL 去重,
// S4 key 已是 sha1,同图 URL 必相同)。当前正被审核的草稿强制纳入,其余只取已审核来源。
curImgs, err := r.DraftImages(ctx, draftID)
if err != nil {
return 0, err
}
sibImgs, err := r.runwayApprovedSiblingImages(ctx, draftID, draft.BrandID, draft.SeasonCode, draft.CollectionType)
if err != nil {
return 0, err
}
imgs := unionRunwayDraftImages(curImgs, sibImgs)
// image_count 仅计主图(is_detail=0):对外列表卡片「N 张」与详情默认画廊都只展示主图,
// 细节图作为主图的附属按需展开,不计入主图数。
mainCount := 0
for _, im := range imgs {
if im.IsDetail == 0 {
mainCount++
}
}
now := uint32(time.Now().Unix())
var runwayID uint32
err = r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
// 1) 按实体键查找既有正式走秀
var existing model.BrandRunway
if eErr := tx.Where("brand_id = ? AND season_code = ? AND collection_type = ? AND is_deleted = 0", draft.BrandID, draft.SeasonCode, draft.CollectionType).
Limit(1).Find(&existing).Error; eErr != nil {
return eErr
}
common := map[string]any{
"title_en": draft.TitleEn,
"title_cn": draft.TitleCn,
"description_en": draft.DescriptionEn,
"description_cn": draft.DescriptionCn,
"year": draft.Year,
"season": draft.Season,
"collection_type": draft.CollectionType,
"season_code": draft.SeasonCode,
"cover": draft.Cover,
"image_count": uint16(mainCount),
"updated_at": now,
}
if existing.ID != 0 {
runwayID = existing.ID
common["brand_id"] = existing.BrandID // 保留正式表的品牌归属
if uErr := tx.Model(&model.BrandRunway{}).Where("id = ?", runwayID).Updates(common).Error; uErr != nil {
return uErr
}
} else {
rw := &model.BrandRunway{
BrandID: draft.BrandID,
TitleEn: draft.TitleEn,
TitleCn: draft.TitleCn,
DescriptionEn: draft.DescriptionEn,
DescriptionCn: draft.DescriptionCn,
Year: draft.Year,
Season: draft.Season,
CollectionType: draft.CollectionType,
SeasonCode: draft.SeasonCode,
Cover: draft.Cover,
ImageCount: uint16(mainCount),
CreatedAt: now,
UpdatedAt: now,
}
if cErr := tx.Create(rw).Error; cErr != nil {
return cErr
}
runwayID = rw.ID
}
// 2) 替换图片:软删旧 + 重建
if dErr := tx.Model(&model.BrandRunwayImage{}).
Where("runway_id = ? AND is_deleted = 0", runwayID).
Updates(map[string]any{"is_deleted": 1, "updated_at": now}).Error; dErr != nil {
return dErr
}
if len(imgs) > 0 {
rows := make([]model.BrandRunwayImage, 0, len(imgs))
for i, im := range imgs {
rows = append(rows, model.BrandRunwayImage{
RunwayID: runwayID,
BrandID: draft.BrandID,
Image: im.Image,
Name: im.Name,
SortOrder: uint32(i + 1),
LookIndex: im.LookIndex,
IsDetail: im.IsDetail,
Phash: im.Phash,
IsDuplicate: im.IsDuplicate,
DupOf: im.DupOf,
CreatedAt: now,
UpdatedAt: now,
})
}
if cErr := tx.Create(&rows).Error; cErr != nil {
return cErr
}
}
return nil
})
if err != nil {
return 0, err
}
return runwayID, nil
}
// CountDraftPending 统计传入表(dest 零值指针)中指定状态的草稿数;供各 ReviewModule 复用。
func (r *reviewRepository) CountDraftPending(ctx context.Context, status string, dest any) (int64, error) {
var n int64
if err := r.db.WithContext(ctx).
Model(dest).
Where("status = ? AND is_deleted = 0", status).
Count(&n).Error; err != nil {
return 0, err
}
return n, nil
}
// ---- 街拍草稿镜像实现(与 runway 同构) ----
func (r *reviewRepository) ListStreetDrafts(ctx context.Context, status string, page, size int) ([]model.StreetSnapDraft, int64, error) {
if page < 1 {
page = 1
}
if size < 1 || size > 100 {
size = 20
}
q := r.db.WithContext(ctx).Model(&model.StreetSnapDraft{}).Where("is_deleted = 0")
if status != "" {
q = q.Where("status = ?", status)
}
var total int64
if err := q.Count(&total).Error; err != nil {
return nil, 0, err
}
if total == 0 {
return []model.StreetSnapDraft{}, 0, nil
}
var rows []model.StreetSnapDraft
if err := q.
Order("CASE status WHEN '" + model.DraftStatusPending + "' THEN 0 ELSE 1 END ASC, id DESC").
Offset((page - 1) * size).
Limit(size).
Find(&rows).Error; err != nil {
return nil, 0, err
}
return rows, total, nil
}
func (r *reviewRepository) StreetDraftDetail(ctx context.Context, id uint32) (*model.StreetSnapDraft, error) {
var d model.StreetSnapDraft
if err := r.db.WithContext(ctx).Where("id = ? AND is_deleted = 0", id).First(&d).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrNotFound
}
return nil, err
}
return &d, nil
}
func (r *reviewRepository) StreetDraftImages(ctx context.Context, draftID uint32) ([]model.StreetSnapDraftImage, error) {
var imgs []model.StreetSnapDraftImage
err := r.db.WithContext(ctx).
Where("draft_id = ? AND is_deleted = 0", draftID).
Order("sort_order ASC, id ASC").
Find(&imgs).Error
return imgs, err
}
// streetDraftEditable 街拍草稿可微调字段白名单(title / year / city)。
var streetDraftEditable = map[string]bool{
"title": true,
"year": true,
"city": true,
}
func (r *reviewRepository) UpdateStreetDraft(ctx context.Context, id uint32, fields map[string]any) error {
clean := map[string]any{}
for k, v := range fields {
if streetDraftEditable[k] {
clean[k] = v
}
}
if len(clean) == 0 {
return nil
}
clean["updated_at"] = uint32(time.Now().Unix())
return r.db.WithContext(ctx).
Model(&model.StreetSnapDraft{}).
Where("id = ?", id).
Updates(clean).Error
}
func (r *reviewRepository) SetStreetDraftStatus(ctx context.Context, id uint32, status, reviewer, reason string) error {
return r.db.WithContext(ctx).
Model(&model.StreetSnapDraft{}).
Where("id = ?", id).
Updates(map[string]any{
"status": status,
"reviewer": reviewer,
"reject_reason": reason,
"updated_at": uint32(time.Now().Unix()),
}).Error
}
// SaveStreetSnapFromDraft 晋升街拍草稿到正式表 street_snaps(按实体键 city+year 幂等 upsert,替换图片)。
// 逻辑与 SaveRunwayFromDraft 同构,但无 brand_id、有 city,图片明细落到 street_snap_images。
// 在事务内完成,保证草稿与正式表一致性。
func (r *reviewRepository) SaveStreetSnapFromDraft(ctx context.Context, draftID uint32) (uint32, error) {
var draft model.StreetSnapDraft
if err := r.db.WithContext(ctx).Where("id = ? AND is_deleted = 0", draftID).First(&draft).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return 0, ErrNotFound
}
return 0, err
}
curImgs, err := r.StreetDraftImages(ctx, draftID)
if err != nil {
return 0, err
}
sibImgs, err := r.streetApprovedSiblingImages(ctx, draftID, draft.City, draft.Year)
if err != nil {
return 0, err
}
imgs := unionStreetDraftImages(curImgs, sibImgs)
now := uint32(time.Now().Unix())
var snapID uint32
err = r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
var existing model.StreetSnap
if eErr := tx.Where("city = ? AND year = ? AND is_deleted = 0", draft.City, draft.Year).
Limit(1).Find(&existing).Error; eErr != nil {
return eErr
}
common := map[string]any{
"title": draft.Title,
"year": draft.Year,
"city": draft.City,
"cover": draft.Cover,
"image_count": uint16(len(imgs)),
"updated_at": now,
}
if existing.ID != 0 {
snapID = existing.ID
if uErr := tx.Model(&model.StreetSnap{}).Where("id = ?", snapID).Updates(common).Error; uErr != nil {
return uErr
}
} else {
snap := &model.StreetSnap{
Title: draft.Title,
Year: draft.Year,
City: draft.City,
Cover: draft.Cover,
ImageCount: uint16(len(imgs)),
CreatedAt: now,
UpdatedAt: now,
}
if cErr := tx.Create(snap).Error; cErr != nil {
return cErr
}
snapID = snap.ID
}
// 替换图片:软删旧 + 重建
if dErr := tx.Model(&model.StreetSnapImage{}).
Where("snap_id = ? AND is_deleted = 0", snapID).
Updates(map[string]any{"is_deleted": 1, "updated_at": now}).Error; dErr != nil {
return dErr
}
if len(imgs) > 0 {
// 第一遍:插入主图(is_detail=0),并记下「草稿行 id → 新正式行 id」的映射。
//
// 必须两遍插入:副图的 parent_image_id 存的是**草稿表**的行 id,
// 而这里插入的正式行拿到的是全新 id。若先插副图,父引用就会指向草稿表的旧 id,
// 详情页折叠结构随之错乱(见计划「任务 2」标题下的说明)。
newIDByDraftID := make(map[uint32]uint32, len(imgs))
mains := make([]model.StreetSnapImage, 0, len(imgs))
for _, im := range imgs {
if im.IsDetail == 1 {
continue
}
mains = append(mains, model.StreetSnapImage{
SnapID: snapID,
Image: im.Image,
Name: im.Name,
SortOrder: uint32(len(mains) + 1),
IsDetail: 0,
Phash: im.Phash,
IsDuplicate: im.IsDuplicate,
DupOf: im.DupOf,
CreatedAt: now,
UpdatedAt: now,
})
}
for i := range mains {
if cErr := tx.Create(&mains[i]).Error; cErr != nil {
return cErr
}
}
mainIdx := 0
for _, im := range imgs {
if im.IsDetail == 1 {
continue
}
newIDByDraftID[im.ID] = mains[mainIdx].ID
mainIdx++
}
// 第二遍:插入副图,把父引用改写成新主图行 id。
details := make([]model.StreetSnapImage, 0, len(imgs)-len(mains))
for _, im := range imgs {
if im.IsDetail != 1 {
continue
}
newParent, ok := newIDByDraftID[im.ParentImageID]
row := model.StreetSnapImage{
SnapID: snapID,
Image: im.Image,
Name: im.Name,
SortOrder: uint32(len(mains) + len(details) + 1),
IsDetail: 1,
Phash: im.Phash,
IsDuplicate: im.IsDuplicate,
DupOf: im.DupOf,
CreatedAt: now,
UpdatedAt: now,
}
if ok {
row.ParentImageID = newParent
} else {
row.IsDetail = 0 // 父行缺失:按主图渲染,与读侧容错口径一致
}
details = append(details, row)
}
if len(details) > 0 {
if cErr := tx.Create(&details).Error; cErr != nil {
return cErr
}
}
}
return nil
})
if err != nil {
return 0, err
}
return snapID, nil
}
// runwayApprovedSiblingImages 返回同实体(品牌+季节码+系列)且已 approved 的其他草稿的图片,
// 用于多来源聚合:当前正被审核的草稿强制纳入,其余仅合并已审核来源,避免未审图泄露进正式表。
func (r *reviewRepository) runwayApprovedSiblingImages(ctx context.Context, excludeDraftID, brandID uint32, seasonCode, collectionType string) ([]model.BrandRunwayDraftImage, error) {
var drafts []model.BrandRunwayDraft
if err := r.db.WithContext(ctx).
Where("brand_id = ? AND season_code = ? AND collection_type = ? AND status = ? AND is_deleted = 0 AND id <> ?", brandID, seasonCode, collectionType, model.DraftStatusApproved, excludeDraftID).
Find(&drafts).Error; err != nil {
return nil, err
}
out := make([]model.BrandRunwayDraftImage, 0)
for _, d := range drafts {
imgs, err := r.DraftImages(ctx, d.ID)
if err != nil {
return nil, err
}
out = append(out, imgs...)
}
return out, nil
}
// unionRunwayDraftImages 按 image URL 去重合并(S4 key 已是 sha1,同图 URL 必相同)。当前草稿图优先。
func unionRunwayDraftImages(a, b []model.BrandRunwayDraftImage) []model.BrandRunwayDraftImage {
seen := make(map[string]struct{}, len(a)+len(b))
out := make([]model.BrandRunwayDraftImage, 0, len(a)+len(b))
for _, im := range a {
if _, ok := seen[im.Image]; ok {
continue
}
seen[im.Image] = struct{}{}
out = append(out, im)
}
for _, im := range b {
if _, ok := seen[im.Image]; ok {
continue
}
seen[im.Image] = struct{}{}
out = append(out, im)
}
return out
}
// streetApprovedSiblingImages 同 city+year 已 approved 的其他街拍草稿图(多来源聚合)。
func (r *reviewRepository) streetApprovedSiblingImages(ctx context.Context, excludeDraftID uint32, city string, year uint16) ([]model.StreetSnapDraftImage, error) {
var drafts []model.StreetSnapDraft
if err := r.db.WithContext(ctx).
Where("city = ? AND year = ? AND status = ? AND is_deleted = 0 AND id <> ?", city, year, model.DraftStatusApproved, excludeDraftID).
Find(&drafts).Error; err != nil {
return nil, err
}
out := make([]model.StreetSnapDraftImage, 0)
for _, d := range drafts {
imgs, err := r.StreetDraftImages(ctx, d.ID)
if err != nil {
return nil, err
}
out = append(out, imgs...)
}
return out, nil
}
// unionStreetDraftImages 按 image URL 去重合并。当前草稿图优先。
func unionStreetDraftImages(a, b []model.StreetSnapDraftImage) []model.StreetSnapDraftImage {
seen := make(map[string]struct{}, len(a)+len(b))
out := make([]model.StreetSnapDraftImage, 0, len(a)+len(b))
for _, im := range a {
if _, ok := seen[im.Image]; ok {
continue
}
seen[im.Image] = struct{}{}
out = append(out, im)
}
for _, im := range b {
if _, ok := seen[im.Image]; ok {
continue
}
seen[im.Image] = struct{}{}
out = append(out, im)
}
return out
}
// ── 草稿图片删除 ────────────────────────────────────────────────────────────────
// SoftDeleteRunwayDraftImage 软删单张走秀草稿图片(审核阶段剔除坏图),并同步草稿 image_count。
// 不删S4文件(与正式表 DeleteRunwayImage 行为一致:仅 DB 标记,避免误删被引用文件)。
func (r *reviewRepository) SoftDeleteRunwayDraftImage(ctx context.Context, draftID, imgID uint32) error {
if err := r.db.WithContext(ctx).
Model(&model.BrandRunwayDraftImage{}).
Where("id = ? AND draft_id = ? AND is_deleted = 0", imgID, draftID).
Updates(map[string]any{"is_deleted": 1, "updated_at": uint32(time.Now().Unix())}).Error; err != nil {
return err
}
return r.db.WithContext(ctx).
Exec("UPDATE brand_runway_drafts SET image_count = GREATEST(image_count - 1, 0) WHERE id = ?", draftID).Error
}
// SoftDeleteStreetDraftImage 软删单张街拍草稿图片,并同步 image_count。
func (r *reviewRepository) SoftDeleteStreetDraftImage(ctx context.Context, draftID, imgID uint32) error {
if err := r.db.WithContext(ctx).
Model(&model.StreetSnapDraftImage{}).
Where("id = ? AND draft_id = ? AND is_deleted = 0", imgID, draftID).
Updates(map[string]any{"is_deleted": 1, "updated_at": uint32(time.Now().Unix())}).Error; err != nil {
return err
}
return r.db.WithContext(ctx).
Exec("UPDATE street_snap_drafts SET image_count = GREATEST(image_count - 1, 0) WHERE id = ?", draftID).Error
}
// GetDraftImageKey 取单张草稿图片的S4 key(删除前清理用);不存在返回空串。
// kind 决定查哪张草稿图片表(runway / street);未知 kind 返回 ErrNotFound。
func (r *reviewRepository) GetDraftImageKey(ctx context.Context, kind string, draftID, imgID uint32) (string, error) {
switch kind {
case dto.IngestKindRunway:
var im model.BrandRunwayDraftImage
err := r.db.WithContext(ctx).Where("id = ? AND draft_id = ?", imgID, draftID).First(&im).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return "", nil
}
if err != nil {
return "", err
}
return im.Image, nil
case dto.IngestKindStreet:
var im model.StreetSnapDraftImage
err := r.db.WithContext(ctx).Where("id = ? AND draft_id = ?", imgID, draftID).First(&im).Error
if errors.Is(err, gorm.ErrRecordNotFound) {
return "", nil
}
if err != nil {
return "", err
}
return im.Image, nil
default:
return "", ErrNotFound
}
}
// ── 街拍草稿图片:主副图分组 ──────────────────────────────────────────────
// AttachStreetDraftImages 把 imgIDs 变成 mainImgID 的副图(批量并入)。
//
// 事务内三步:1) 校验主图存在、未软删、本身是主图;2) 先「改挂孙辈」——被并入图原有的副图
// 改挂到新主图(避免副图的副图);3) 再把被并入图自身标为副图。第 2 步必须在第 3 步之前。
func (r *reviewRepository) AttachStreetDraftImages(ctx context.Context, draftID, mainImgID uint32, imgIDs []uint32) error {
ids := make([]uint32, 0, len(imgIDs))
for _, id := range imgIDs {
if id != 0 && id != mainImgID {
ids = append(ids, id)
}
}
if mainImgID == 0 || len(imgIDs) == 0 {
// 主图无效,或传入集合本身就是空的(调用方连一张待并入图都没给)。
return ErrInvalidImageGroup
}
if len(ids) == 0 {
// 集合里只有主图自身:视为无操作成功(忽略),不报错也不改动主图。
return nil
}
return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
var main model.StreetSnapDraftImage
if err := tx.Where("id = ? AND draft_id = ? AND is_deleted = 0 AND is_detail = 0", mainImgID, draftID).
First(&main).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return ErrInvalidImageGroup
}
return err
}
now := uint32(time.Now().Unix())
if err := tx.Model(&model.StreetSnapDraftImage{}).
Where("draft_id = ? AND is_deleted = 0 AND parent_image_id IN ?", draftID, ids).
Updates(map[string]any{"parent_image_id": mainImgID, "updated_at": now}).Error; err != nil {
return err
}
return tx.Model(&model.StreetSnapDraftImage{}).
Where("draft_id = ? AND is_deleted = 0 AND id IN ?", draftID, ids).
Updates(map[string]any{"is_detail": 1, "parent_image_id": mainImgID, "updated_at": now}).Error
})
}
// AttachPrevStreetDraftImage 把 imgID 并入「同草稿内 sort_order 紧邻的前一行所属组的主图」。
// 折回组主图是刻意的:连续「并入上一张」应链式归并到同一主图,而不是造出副图的副图。
func (r *reviewRepository) AttachPrevStreetDraftImage(ctx context.Context, draftID, imgID uint32) error {
var target uint32
err := r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
var cur model.StreetSnapDraftImage
if err := tx.Where("id = ? AND draft_id = ? AND is_deleted = 0", imgID, draftID).First(&cur).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return ErrNotFound
}
return err
}
var prev model.StreetSnapDraftImage
err := tx.Where("draft_id = ? AND is_deleted = 0 AND (sort_order < ? OR (sort_order = ? AND id < ?))",
draftID, cur.SortOrder, cur.SortOrder, cur.ID).
Order("sort_order DESC, id DESC").First(&prev).Error
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return ErrNotFound
}
return err
}
if prev.IsDetail == 1 && prev.ParentImageID != 0 {
target = prev.ParentImageID
} else {
target = prev.ID
}
if target == imgID {
return ErrInvalidImageGroup
}
now := uint32(time.Now().Unix())
if err := tx.Model(&model.StreetSnapDraftImage{}).
Where("draft_id = ? AND is_deleted = 0 AND parent_image_id = ?", draftID, imgID).
Updates(map[string]any{"parent_image_id": target, "updated_at": now}).Error; err != nil {
return err
}
return tx.Model(&model.StreetSnapDraftImage{}).
Where("id = ? AND draft_id = ?", imgID, draftID).
Updates(map[string]any{"is_detail": 1, "parent_image_id": target, "updated_at": now}).Error
})
return err
}
// DetachStreetDraftImage 把副图恢复为主图。对主图调用为幂等成功。
// 拆出的图若自身带着副图,那些副图保持挂在它下面——它重新成为主图,不变量依然成立。
func (r *reviewRepository) DetachStreetDraftImage(ctx context.Context, draftID, imgID uint32) error {
return r.db.WithContext(ctx).
Model(&model.StreetSnapDraftImage{}).
Where("id = ? AND draft_id = ? AND is_deleted = 0 AND is_detail = 1", imgID, draftID).
Updates(map[string]any{"is_detail": 0, "parent_image_id": 0, "updated_at": uint32(time.Now().Unix())}).
Error
}