376 lines
14 KiB
Go
376 lines
14 KiB
Go
package repository
|
||
|
||
import (
|
||
"context"
|
||
"errors"
|
||
"strconv"
|
||
"time"
|
||
|
||
"fashionapi/internal/dto"
|
||
"fashionapi/internal/model"
|
||
|
||
"gorm.io/gorm"
|
||
)
|
||
|
||
// ArticleRepository 走秀档案(文章)数据访问接口。
|
||
type ArticleRepository interface {
|
||
// List 按筛选条件分页查询文章,同时返回符合条件的总数。
|
||
List(ctx context.Context, q dto.ArticleQuery) ([]model.RunwayRow, int64, error)
|
||
// ListAdmin 后台管理列表:投影列含 season/year/collection_type/season_code 等管理字段。
|
||
ListAdmin(ctx context.Context, q dto.ArticleQuery) ([]model.RunwayRow, int64, error)
|
||
// FindByID 公开读:查询单篇文章(含 JOIN 出的品牌名)。不存在时返回 ErrNotFound。
|
||
FindByID(ctx context.Context, id string) (*model.RunwayRow, error)
|
||
// FindByIDBase 后台读基表:与 FindByID 同投影/同 JOIN,但能看到 pending / rejected。
|
||
// 后台列表故意展示待审行并链到详情页,详情必须走基表,否则待审项点进去 404。
|
||
FindByIDBase(ctx context.Context, id string) (*model.RunwayRow, error)
|
||
// ListImages 公开读:查询某篇文章的全部图片,按排序值升序(未发布图片不可见)。
|
||
ListImages(ctx context.Context, runwayID string) ([]model.BrandRunwayImage, error)
|
||
// ListImagesBase 后台读基表:与 ListImages 同形,但含未发布图片(后台详情/编辑需要)。
|
||
ListImagesBase(ctx context.Context, runwayID string) ([]model.BrandRunwayImage, error)
|
||
// ImagesByRunwayIDs 批量查询多篇文章的图片,单次 IN 查询避免 N+1。
|
||
ImagesByRunwayIDs(ctx context.Context, ids []uint32) (map[uint32][]model.BrandRunwayImage, error)
|
||
// GetForEdit 取原始走秀记录(含全部 en/cn 字段)与图片,供后台编辑表单预填。
|
||
GetForEdit(ctx context.Context, id uint32) (*model.BrandRunway, []model.BrandRunwayImage, error)
|
||
// UpdateRunway 审核/编辑后更新字段(白名单,杜绝任意列注入)。
|
||
UpdateRunway(ctx context.Context, id uint32, fields map[string]any) error
|
||
// DeleteRunwayImage 软删单张走秀图片。
|
||
DeleteRunwayImage(ctx context.Context, imageID uint32) error
|
||
// GetRunwayImageKey 取单张走秀图片的S4 key(删除前清理用);不存在返回空串。
|
||
GetRunwayImageKey(ctx context.Context, imageID uint32) (string, error)
|
||
// SoftDeleteRunwayImages 软删某走秀的全部图片(级联下架用),返回被删图片的 key 列表。
|
||
SoftDeleteRunwayImages(ctx context.Context, runwayID uint32) ([]string, error)
|
||
// SetRunwayCover 更新走秀封面(同时回到图片列表首张)。
|
||
SetRunwayCover(ctx context.Context, runwayID uint32, image string) error
|
||
// SetRunwayDeleted 上下架:deleted=1 下架(对外不可见),0 上架。
|
||
SetRunwayDeleted(ctx context.Context, id uint32, deleted uint8) error
|
||
}
|
||
|
||
type articleRepository struct {
|
||
db *gorm.DB
|
||
}
|
||
|
||
// NewArticleRepository 创建文章仓储。
|
||
func NewArticleRepository(db *gorm.DB) ArticleRepository {
|
||
return &articleRepository{db: db}
|
||
}
|
||
|
||
// selectColumns 列表查询的投影列:只取对外需要的字段,不做 SELECT *。
|
||
// 注意:year / season / season_code / collection_type / created_at 等仅用于排序,不 SELECT 到响应里
|
||
// (前端按年份/季节筛选是走查询参数,响应无需回带这些元数据)。
|
||
const articleListColumns = `brand_runways.id, brand_runways.brand_id,
|
||
brand_runways.title_en, brand_runways.title_cn,
|
||
brand_runways.cover, brand_runways.image_count,
|
||
b.name_en AS brand_name_en, b.name_cn AS brand_name_cn`
|
||
|
||
const articleDetailColumns = `brand_runways.id, brand_runways.title_en, brand_runways.title_cn,
|
||
brand_runways.description_en, brand_runways.description_cn,
|
||
brand_runways.cover, b.name_en AS brand_name_en, b.name_cn AS brand_name_cn`
|
||
|
||
// articleAdminColumns 后台管理列表投影列:在列表列基础上补回 season / year /
|
||
// collection_type / season_code 等管理字段(前端列表不展示这些)。
|
||
const articleAdminColumns = `brand_runways.id, brand_runways.brand_id,
|
||
brand_runways.title_en, brand_runways.title_cn,
|
||
brand_runways.cover, brand_runways.image_count, brand_runways.year,
|
||
brand_runways.collection_type, brand_runways.season, brand_runways.season_code,
|
||
b.name_en AS brand_name_en, b.name_cn AS brand_name_cn`
|
||
|
||
// brandJoin 关联品牌表取品牌名;LEFT JOIN 保证品牌被软删时文章依然可见。
|
||
const brandJoin = "LEFT JOIN brands b ON b.id = brand_runways.brand_id AND b.is_deleted = 0"
|
||
|
||
// filterScope 把查询条件编译为 GORM Scope。
|
||
//
|
||
// 用 Scope 而非复用同一个 *gorm.DB:GORM v2 中在 Count 等终结方法之后复用同一实例
|
||
// 会带上残留的 Statement 状态,Scope 每次作用于全新查询,杜绝这类隐患。
|
||
func filterScope(q dto.ArticleQuery) func(*gorm.DB) *gorm.DB {
|
||
return func(db *gorm.DB) *gorm.DB {
|
||
db = db.Where("brand_runways.is_deleted = 0")
|
||
|
||
// 按品牌过滤来自列表接口的 ?brand_id 查询参数(q.BrandIDs 由 handler 解码注入)。
|
||
db = whereMulti(db, "brand_runways.brand_id", toAnySlice(q.BrandIDs))
|
||
if q.Collection != "" {
|
||
db = db.Where("brand_runways.collection_type = ?", q.Collection)
|
||
}
|
||
if q.Season != "" {
|
||
db = db.Where("brand_runways.season = ?", q.Season)
|
||
}
|
||
if q.Year != 0 {
|
||
db = db.Where("brand_runways.year = ?", q.Year)
|
||
}
|
||
return db
|
||
}
|
||
}
|
||
|
||
// whereMulti 按值数量选择 = 或 IN。
|
||
func whereMulti(db *gorm.DB, column string, values []any) *gorm.DB {
|
||
switch len(values) {
|
||
case 0:
|
||
return db
|
||
case 1:
|
||
return db.Where(column+" = ?", values[0])
|
||
default:
|
||
return db.Where(column+" IN ?", values)
|
||
}
|
||
}
|
||
|
||
func toAnySlice[T any](in []T) []any {
|
||
if len(in) == 0 {
|
||
return nil
|
||
}
|
||
out := make([]any, 0, len(in))
|
||
for _, v := range in {
|
||
out = append(out, v)
|
||
}
|
||
return out
|
||
}
|
||
|
||
// orderBy 把 sort 参数映射为 ORDER BY 子句。
|
||
//
|
||
// 白名单映射而非直接拼接用户输入,从根上排除 SQL 注入;
|
||
// 每个分支都以 id 兜底,保证分页结果稳定不跳行。
|
||
//
|
||
// newest(默认):按走秀真实新旧排序 —— created_at 仅是导入时间,不能代表走秀新旧,
|
||
// 故用 year DESC + season_code 优先级(FW>PF>SS>RES)+ id 兜底,与首页「最新走秀」口径一致。
|
||
func orderBy(sort string) string {
|
||
seasonPrio := `CASE brand_runways.season_code WHEN 'FW' THEN 4 WHEN 'PF' THEN 3 WHEN 'SS' THEN 2 WHEN 'RES' THEN 1 ELSE 0 END`
|
||
switch sort {
|
||
case "year_asc":
|
||
return "brand_runways.year ASC, brand_runways.id ASC"
|
||
case "year_desc":
|
||
return "brand_runways.year DESC, brand_runways.id DESC"
|
||
default: // newest
|
||
return "brand_runways.year DESC, " + seasonPrio + " DESC, brand_runways.id DESC"
|
||
}
|
||
}
|
||
|
||
func (r *articleRepository) List(ctx context.Context, q dto.ArticleQuery) ([]model.RunwayRow, int64, error) {
|
||
scope := filterScope(q)
|
||
|
||
var total int64
|
||
if err := r.db.WithContext(ctx).
|
||
Table(publicRunways).
|
||
Scopes(scope).
|
||
Count(&total).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
if total == 0 {
|
||
return []model.RunwayRow{}, 0, nil
|
||
}
|
||
|
||
var rows []model.RunwayRow
|
||
if err := r.db.WithContext(ctx).
|
||
Table(publicRunways).
|
||
Scopes(scope).
|
||
Select(articleListColumns).
|
||
Joins(brandJoin).
|
||
Order(orderBy(q.Sort)).
|
||
Offset(q.Offset()).
|
||
Limit(q.Size).
|
||
Scan(&rows).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
return rows, total, nil
|
||
}
|
||
|
||
// ListAdmin 后台管理列表:与 List 共用筛选/排序,但投影列含管理字段。
|
||
func (r *articleRepository) ListAdmin(ctx context.Context, q dto.ArticleQuery) ([]model.RunwayRow, int64, error) {
|
||
scope := filterScope(q)
|
||
|
||
var total int64
|
||
if err := r.db.WithContext(ctx).
|
||
Model(&model.BrandRunway{}).
|
||
Scopes(scope).
|
||
Count(&total).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
if total == 0 {
|
||
return []model.RunwayRow{}, 0, nil
|
||
}
|
||
|
||
var rows []model.RunwayRow
|
||
if err := r.db.WithContext(ctx).
|
||
Model(&model.BrandRunway{}).
|
||
Scopes(scope).
|
||
Select(articleAdminColumns).
|
||
Joins(brandJoin).
|
||
Order(orderBy(q.Sort)).
|
||
Offset(q.Offset()).
|
||
Limit(q.Size).
|
||
Scan(&rows).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
return rows, total, nil
|
||
}
|
||
|
||
// FindByID 公开读:读公开视图,pending / rejected 视同不存在(返回 ErrNotFound)。
|
||
func (r *articleRepository) FindByID(ctx context.Context, id string) (*model.RunwayRow, error) {
|
||
return r.findByID(r.db.WithContext(ctx).Table(publicRunways), id)
|
||
}
|
||
|
||
// FindByIDBase 后台读基表:同投影同 JOIN,但不过滤 status(后台详情需渲染待审内容)。
|
||
func (r *articleRepository) FindByIDBase(ctx context.Context, id string) (*model.RunwayRow, error) {
|
||
return r.findByID(r.db.WithContext(ctx).Model(&model.BrandRunway{}), id)
|
||
}
|
||
|
||
// findByID 用给定查询(视图或基表)取单行;投影与 JOIN 两处保持一致,避免公开/后台口径漂移。
|
||
func (r *articleRepository) findByID(q *gorm.DB, id string) (*model.RunwayRow, error) {
|
||
var row model.RunwayRow
|
||
err := q.Select(articleDetailColumns).
|
||
Joins(brandJoin).
|
||
Where("brand_runways.id = ? AND brand_runways.is_deleted = 0", id).
|
||
First(&row).Error
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, ErrNotFound
|
||
}
|
||
return nil, err
|
||
}
|
||
return &row, nil
|
||
}
|
||
|
||
// ListImages 公开读:读公开视图,未发布走秀的图片不可见(视图已含 is_deleted 过滤)。
|
||
func (r *articleRepository) ListImages(ctx context.Context, runwayID string) ([]model.BrandRunwayImage, error) {
|
||
var imgs []model.BrandRunwayImage
|
||
err := r.db.WithContext(ctx).
|
||
Table(publicRunwayImages).
|
||
Where("runway_id = ?", runwayID).
|
||
Order("sort_order ASC, id ASC").
|
||
Find(&imgs).Error
|
||
return imgs, err
|
||
}
|
||
|
||
// ListImagesBase 读基表(含未发布),供后台 GetForEdit / 后台详情使用 —— 否则待审内容看不到图。
|
||
func (r *articleRepository) ListImagesBase(ctx context.Context, runwayID string) ([]model.BrandRunwayImage, error) {
|
||
var imgs []model.BrandRunwayImage
|
||
err := r.db.WithContext(ctx).
|
||
Where("runway_id = ? AND is_deleted = 0", runwayID).
|
||
Order("sort_order ASC, id ASC").
|
||
Find(&imgs).Error
|
||
return imgs, err
|
||
}
|
||
|
||
func (r *articleRepository) ImagesByRunwayIDs(ctx context.Context, ids []uint32) (map[uint32][]model.BrandRunwayImage, error) {
|
||
result := make(map[uint32][]model.BrandRunwayImage, len(ids))
|
||
if len(ids) == 0 {
|
||
return result, nil
|
||
}
|
||
|
||
var imgs []model.BrandRunwayImage
|
||
err := r.db.WithContext(ctx).
|
||
Table(publicRunwayImages).
|
||
Select("runway_id, image, name, sort_order").
|
||
Where("runway_id IN ? AND is_detail = 0", ids).
|
||
Order("sort_order ASC, id ASC").
|
||
Find(&imgs).Error
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
for _, im := range imgs {
|
||
result[im.RunwayID] = append(result[im.RunwayID], im)
|
||
}
|
||
return result, nil
|
||
}
|
||
|
||
// ── 后台编辑支持 ──────────────────────────────────────────────────────────────
|
||
|
||
// runwayEditable 后台可编辑的走秀字段白名单(键即列名)。
|
||
var runwayEditable = 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,
|
||
}
|
||
|
||
func (r *articleRepository) GetForEdit(ctx context.Context, id uint32) (*model.BrandRunway, []model.BrandRunwayImage, error) {
|
||
var rw model.BrandRunway
|
||
if err := r.db.WithContext(ctx).Where("id = ? AND is_deleted = 0", id).First(&rw).Error; err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, nil, ErrNotFound
|
||
}
|
||
return nil, nil, err
|
||
}
|
||
imgs, err := r.ListImagesBase(ctx, strconv.FormatUint(uint64(id), 10))
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
return &rw, imgs, nil
|
||
}
|
||
|
||
func (r *articleRepository) UpdateRunway(ctx context.Context, id uint32, fields map[string]any) error {
|
||
clean := map[string]any{}
|
||
for k, v := range fields {
|
||
if runwayEditable[k] {
|
||
clean[k] = v
|
||
}
|
||
}
|
||
if len(clean) == 0 {
|
||
return nil
|
||
}
|
||
clean["updated_at"] = uint32(time.Now().Unix())
|
||
return r.db.WithContext(ctx).
|
||
Model(&model.BrandRunway{}).
|
||
Where("id = ?", id).
|
||
Updates(clean).Error
|
||
}
|
||
|
||
func (r *articleRepository) DeleteRunwayImage(ctx context.Context, imageID uint32) error {
|
||
return r.db.WithContext(ctx).
|
||
Model(&model.BrandRunwayImage{}).
|
||
Where("id = ? AND is_deleted = 0", imageID).
|
||
Updates(map[string]any{"is_deleted": 1, "updated_at": uint32(time.Now().Unix())}).Error
|
||
}
|
||
|
||
func (r *articleRepository) GetRunwayImageKey(ctx context.Context, imageID uint32) (string, error) {
|
||
var img model.BrandRunwayImage
|
||
err := r.db.WithContext(ctx).Where("id = ?", imageID).First(&img).Error
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return "", nil
|
||
}
|
||
if err != nil {
|
||
return "", err
|
||
}
|
||
return img.Image, nil
|
||
}
|
||
|
||
// SoftDeleteRunwayImages 软删某走秀的全部图片(级联下架用)。
|
||
// 先取非删除图片的 key 列表返回给调用方(用于后续S4孤儿清理),再统一置 is_deleted=1。
|
||
func (r *articleRepository) SoftDeleteRunwayImages(ctx context.Context, runwayID uint32) ([]string, error) {
|
||
var imgs []model.BrandRunwayImage
|
||
if err := r.db.WithContext(ctx).
|
||
Select("image").
|
||
Where("runway_id = ? AND is_deleted = 0", runwayID).
|
||
Find(&imgs).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
keys := make([]string, 0, len(imgs))
|
||
for _, im := range imgs {
|
||
if im.Image != "" {
|
||
keys = append(keys, im.Image)
|
||
}
|
||
}
|
||
if err := r.db.WithContext(ctx).
|
||
Model(&model.BrandRunwayImage{}).
|
||
Where("runway_id = ? AND is_deleted = 0", runwayID).
|
||
Updates(map[string]any{"is_deleted": 1, "updated_at": uint32(time.Now().Unix())}).Error; err != nil {
|
||
return nil, err
|
||
}
|
||
return keys, nil
|
||
}
|
||
|
||
func (r *articleRepository) SetRunwayCover(ctx context.Context, runwayID uint32, image string) error {
|
||
return r.db.WithContext(ctx).
|
||
Model(&model.BrandRunway{}).
|
||
Where("id = ?", runwayID).
|
||
Updates(map[string]any{"cover": image, "updated_at": uint32(time.Now().Unix())}).Error
|
||
}
|
||
|
||
func (r *articleRepository) SetRunwayDeleted(ctx context.Context, id uint32, deleted uint8) error {
|
||
return r.db.WithContext(ctx).
|
||
Model(&model.BrandRunway{}).
|
||
Where("id = ?", id).
|
||
Updates(map[string]any{"is_deleted": deleted, "updated_at": uint32(time.Now().Unix())}).Error
|
||
}
|