694 lines
19 KiB
Go
694 lines
19 KiB
Go
package services
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import (
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"context"
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"errors"
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"time"
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"quyun/v2/app/errorx"
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creator_dto "quyun/v2/app/http/v1/dto"
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"quyun/v2/database/fields"
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"quyun/v2/database/models"
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"quyun/v2/pkg/consts"
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"github.com/google/uuid"
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"github.com/spf13/cast"
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"go.ipao.vip/gen/types"
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"gorm.io/gorm"
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)
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// @provider
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type creator struct{}
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func (s *creator) Apply(ctx context.Context, userID int64, form *creator_dto.ApplyForm) error {
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if userID == 0 {
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return errorx.ErrUnauthorized
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}
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uid := userID
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tbl, q := models.TenantQuery.QueryContext(ctx)
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// Check if already has a tenant
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count, _ := q.Where(tbl.UserID.Eq(uid)).Count()
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if count > 0 {
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return errorx.ErrBadRequest.WithMsg("您已是创作者")
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}
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// Create Tenant
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tenant := &models.Tenant{
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UserID: uid,
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Name: form.Name,
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// Bio/Avatar in config
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Code: uuid.NewString()[:8], // Generate random code
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UUID: types.UUID(uuid.New()),
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Status: consts.TenantStatusPendingVerify,
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}
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if err := q.Create(tenant); err != nil {
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return errorx.ErrDatabaseError.WithCause(err)
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}
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// Also add user as tenant_admin in tenant_users
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tu := &models.TenantUser{
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TenantID: tenant.ID,
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UserID: uid,
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Role: types.Array[consts.TenantUserRole]{consts.TenantUserRoleTenantAdmin},
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Status: consts.UserStatusVerified,
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}
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if err := models.TenantUserQuery.WithContext(ctx).Create(tu); err != nil {
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return errorx.ErrDatabaseError.WithCause(err)
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}
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return nil
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}
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func (s *creator) Dashboard(ctx context.Context, userID int64) (*creator_dto.DashboardStats, error) {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return nil, err
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}
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// Followers: count tenant_users
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followers, _ := models.TenantUserQuery.WithContext(ctx).Where(models.TenantUserQuery.TenantID.Eq(tid)).Count()
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// Revenue: sum tenant_ledgers (income)
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var revenue float64
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// GORM doesn't have a direct Sum method in Gen yet easily accessible without raw SQL or result mapping
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// But we can use underlying DB
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models.TenantLedgerQuery.WithContext(ctx).UnderlyingDB().
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Model(&models.TenantLedger{}).
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Where("tenant_id = ? AND type = ?", tid, consts.TenantLedgerTypeDebitPurchase).
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Select("COALESCE(SUM(amount), 0)").
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Scan(&revenue)
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// Pending Refunds: count orders in refunding
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pendingRefunds, _ := models.OrderQuery.WithContext(ctx).
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Where(models.OrderQuery.TenantID.Eq(tid), models.OrderQuery.Status.Eq(consts.OrderStatusRefunding)).
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Count()
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stats := &creator_dto.DashboardStats{
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TotalFollowers: creator_dto.IntStatItem{Value: int(followers)},
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TotalRevenue: creator_dto.FloatStatItem{Value: revenue / 100.0},
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PendingRefunds: int(pendingRefunds),
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NewMessages: 0,
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}
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return stats, nil
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}
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func (s *creator) ListContents(
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ctx context.Context,
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userID int64,
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filter *creator_dto.CreatorContentListFilter,
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) ([]creator_dto.CreatorContentItem, error) {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return nil, err
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}
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tbl, q := models.ContentQuery.QueryContext(ctx)
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q = q.Where(tbl.TenantID.Eq(tid))
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if filter.Status != nil && *filter.Status != "" {
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q = q.Where(tbl.Status.Eq(consts.ContentStatus(*filter.Status)))
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}
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if filter.Genre != nil && *filter.Genre != "" {
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q = q.Where(tbl.Genre.Eq(*filter.Genre))
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}
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if filter.Keyword != nil && *filter.Keyword != "" {
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q = q.Where(tbl.Title.Like("%" + *filter.Keyword + "%"))
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}
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list, err := q.Order(tbl.CreatedAt.Desc()).Find()
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if err != nil {
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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// Fetch Prices
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ids := make([]int64, len(list))
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for i, item := range list {
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ids[i] = item.ID
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}
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priceMap := make(map[int64]float64)
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if len(ids) > 0 {
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prices, _ := models.ContentPriceQuery.WithContext(ctx).Where(models.ContentPriceQuery.ContentID.In(ids...)).Find()
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for _, p := range prices {
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priceMap[p.ContentID] = float64(p.PriceAmount) / 100.0
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}
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}
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var data []creator_dto.CreatorContentItem
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for _, item := range list {
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data = append(data, creator_dto.CreatorContentItem{
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ID: cast.ToString(item.ID),
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Title: item.Title,
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Genre: item.Genre,
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Key: item.Key,
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Price: priceMap[item.ID],
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Views: int(item.Views),
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Likes: int(item.Likes),
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IsPurchased: false,
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})
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}
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return data, nil
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}
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func (s *creator) CreateContent(ctx context.Context, userID int64, form *creator_dto.ContentCreateForm) error {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return err
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}
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uid := userID
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return models.Q.Transaction(func(tx *models.Query) error {
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// 1. Create Content
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content := &models.Content{
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TenantID: tid,
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UserID: uid,
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Title: form.Title,
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Genre: form.Genre,
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Key: form.Key,
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Status: consts.ContentStatusPublished,
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}
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if err := tx.Content.WithContext(ctx).Create(content); err != nil {
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return err
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}
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// 2. Link Assets
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var assets []*models.ContentAsset
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// Covers
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for i, mid := range form.CoverIDs {
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assets = append(assets, &models.ContentAsset{
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TenantID: tid,
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UserID: uid,
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ContentID: content.ID,
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AssetID: cast.ToInt64(mid),
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Sort: int32(i),
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Role: consts.ContentAssetRoleCover,
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})
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}
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// Main Media
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for i, mid := range form.MediaIDs {
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assets = append(assets, &models.ContentAsset{
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TenantID: tid,
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UserID: uid,
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ContentID: content.ID,
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AssetID: cast.ToInt64(mid),
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Sort: int32(i),
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Role: consts.ContentAssetRoleMain,
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})
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}
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if len(assets) > 0 {
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if err := tx.ContentAsset.WithContext(ctx).Create(assets...); err != nil {
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return err
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}
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}
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// 3. Set Price
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price := &models.ContentPrice{
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TenantID: tid,
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UserID: uid,
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ContentID: content.ID,
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PriceAmount: int64(form.Price * 100), // Convert to cents
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Currency: consts.CurrencyCNY,
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}
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if err := tx.ContentPrice.WithContext(ctx).Create(price); err != nil {
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return err
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}
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return nil
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})
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}
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func (s *creator) UpdateContent(
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ctx context.Context,
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userID int64,
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id string,
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form *creator_dto.ContentUpdateForm,
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) error {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return err
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}
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cid := cast.ToInt64(id)
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uid := userID
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return models.Q.Transaction(func(tx *models.Query) error {
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// 1. Check Ownership
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c, err := tx.Content.WithContext(ctx).Where(tx.Content.ID.Eq(cid), tx.Content.TenantID.Eq(tid)).First()
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if err != nil {
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return errorx.ErrRecordNotFound
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}
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// 2. Update Content
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_, err = tx.Content.WithContext(ctx).Where(tx.Content.ID.Eq(cid)).Updates(&models.Content{
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Title: form.Title,
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Genre: form.Genre,
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Key: form.Key,
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})
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if err != nil {
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return err
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}
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// 3. Update Price
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// Check if price exists
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count, _ := tx.ContentPrice.WithContext(ctx).Where(tx.ContentPrice.ContentID.Eq(cid)).Count()
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newPrice := int64(form.Price * 100)
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if count > 0 {
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_, err = tx.ContentPrice.WithContext(ctx).
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Where(tx.ContentPrice.ContentID.Eq(cid)).
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UpdateSimple(tx.ContentPrice.PriceAmount.Value(newPrice))
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} else {
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err = tx.ContentPrice.WithContext(ctx).Create(&models.ContentPrice{
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TenantID: tid,
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UserID: c.UserID,
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ContentID: cid,
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PriceAmount: newPrice,
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Currency: consts.CurrencyCNY,
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})
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}
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if err != nil {
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return err
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}
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// 4. Update Assets (Full replacement strategy)
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_, err = tx.ContentAsset.WithContext(ctx).Where(tx.ContentAsset.ContentID.Eq(cid)).Delete()
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if err != nil {
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return err
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}
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var assets []*models.ContentAsset
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// Covers
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for i, mid := range form.CoverIDs {
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assets = append(assets, &models.ContentAsset{
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TenantID: tid,
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UserID: uid,
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ContentID: cid,
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AssetID: cast.ToInt64(mid),
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Sort: int32(i),
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Role: consts.ContentAssetRoleCover,
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})
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}
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// Main Media
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for i, mid := range form.MediaIDs {
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assets = append(assets, &models.ContentAsset{
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TenantID: tid,
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UserID: uid,
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ContentID: cid,
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AssetID: cast.ToInt64(mid),
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Sort: int32(i),
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Role: consts.ContentAssetRoleMain,
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})
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}
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if len(assets) > 0 {
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if err := tx.ContentAsset.WithContext(ctx).Create(assets...); err != nil {
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return err
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}
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}
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return nil
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})
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}
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func (s *creator) DeleteContent(ctx context.Context, userID int64, id string) error {
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cid := cast.ToInt64(id)
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return err
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}
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_, err = models.ContentQuery.WithContext(ctx).
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Where(models.ContentQuery.ID.Eq(cid), models.ContentQuery.TenantID.Eq(tid)).
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Delete()
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if err != nil {
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return errorx.ErrDatabaseError.WithCause(err)
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}
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return nil
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}
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func (s *creator) GetContent(ctx context.Context, userID int64, id string) (*creator_dto.ContentEditDTO, error) {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return nil, err
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}
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cid := cast.ToInt64(id)
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// Fetch Content with preloads
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var c models.Content
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err = models.ContentQuery.WithContext(ctx).
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Where(models.ContentQuery.ID.Eq(cid), models.ContentQuery.TenantID.Eq(tid)).
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UnderlyingDB().
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Preload("ContentAssets", func(db *gorm.DB) *gorm.DB {
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return db.Order("sort ASC")
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}).
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Preload("ContentAssets.Asset").
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First(&c).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errorx.ErrRecordNotFound
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}
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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// Fetch Price
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var price float64
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cp, err := models.ContentPriceQuery.WithContext(ctx).Where(models.ContentPriceQuery.ContentID.Eq(cid)).First()
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if err == nil {
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price = float64(cp.PriceAmount) / 100.0
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}
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dto := &creator_dto.ContentEditDTO{
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ID: cast.ToString(c.ID),
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Title: c.Title,
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Genre: c.Genre,
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Key: c.Key,
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Description: c.Description,
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Status: string(c.Status),
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Price: price,
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EnableTrial: c.PreviewSeconds > 0,
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PreviewSeconds: int(c.PreviewSeconds),
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Assets: make([]creator_dto.AssetDTO, 0),
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}
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for _, ca := range c.ContentAssets {
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if ca.Asset != nil {
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sizeBytes := ca.Asset.Meta.Data().Size
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sizeMB := float64(sizeBytes) / 1024.0 / 1024.0
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sizeStr := cast.ToString(float64(int(sizeMB*100))/100.0) + " MB"
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dto.Assets = append(dto.Assets, creator_dto.AssetDTO{
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ID: cast.ToString(ca.AssetID),
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Role: string(ca.Role),
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Type: string(ca.Asset.Type),
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URL: Common.GetAssetURL(ca.Asset.ObjectKey),
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Name: ca.Asset.ObjectKey, // Simple fallback
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Size: sizeStr,
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Sort: int(ca.Sort),
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})
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}
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}
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return dto, nil
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}
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func (s *creator) ListOrders(
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ctx context.Context,
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userID int64,
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filter *creator_dto.CreatorOrderListFilter,
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) ([]creator_dto.Order, error) {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return nil, err
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}
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tbl, q := models.OrderQuery.QueryContext(ctx)
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q = q.Where(tbl.TenantID.Eq(tid))
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if filter.Status != nil && *filter.Status != "" {
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q = q.Where(tbl.Status.Eq(consts.OrderStatus(*filter.Status)))
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}
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// Keyword could match ID or other fields if needed
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list, err := q.Order(tbl.CreatedAt.Desc()).Find()
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if err != nil {
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return nil, errorx.ErrDatabaseError.WithCause(err)
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}
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var data []creator_dto.Order
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for _, o := range list {
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data = append(data, creator_dto.Order{
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ID: cast.ToString(o.ID),
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Status: string(o.Status), // Enum conversion
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Amount: float64(o.AmountPaid) / 100.0,
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CreateTime: o.CreatedAt.Format(time.RFC3339),
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})
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}
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return data, nil
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}
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func (s *creator) ProcessRefund(ctx context.Context, userID int64, id string, form *creator_dto.RefundForm) error {
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tid, err := s.getTenantID(ctx, userID)
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if err != nil {
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return err
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}
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oid := cast.ToInt64(id)
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uid := userID // Creator ID
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// Fetch Order
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o, err := models.OrderQuery.WithContext(ctx).
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Where(models.OrderQuery.ID.Eq(oid), models.OrderQuery.TenantID.Eq(tid)).
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First()
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if err != nil {
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return errorx.ErrRecordNotFound
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}
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// Validate Status
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// Allow refunding 'refunding' orders. Or 'paid' if we treat this as "Initiate Refund".
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// Given "Action" (accept/reject), assume 'refunding'.
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if o.Status != consts.OrderStatusRefunding {
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return errorx.ErrStatusConflict.WithMsg("订单状态不是退款中")
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}
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if form.Action == "reject" {
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_, err := models.OrderQuery.WithContext(ctx).Where(models.OrderQuery.ID.Eq(oid)).Updates(&models.Order{
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Status: consts.OrderStatusPaid,
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RefundReason: form.Reason, // Store reject reason? Or clear it?
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})
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return err
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}
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if form.Action == "accept" {
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return models.Q.Transaction(func(tx *models.Query) error {
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// 1. Deduct Creator Balance
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// We credited Creator User Balance in Order.Pay. Now deduct it.
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info, err := tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(uid), tx.User.Balance.Gte(o.AmountPaid)).
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Update(tx.User.Balance, gorm.Expr("balance - ?", o.AmountPaid))
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if err != nil {
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return err
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}
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if info.RowsAffected == 0 {
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return errorx.ErrQuotaExceeded.WithMsg("余额不足，无法退款")
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}
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// 2. Credit Buyer Balance
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_, err = tx.User.WithContext(ctx).
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Where(tx.User.ID.Eq(o.UserID)).
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Update(tx.User.Balance, gorm.Expr("balance + ?", o.AmountPaid))
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if err != nil {
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return err
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}
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// 3. Update Order Status
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_, err = tx.Order.WithContext(ctx).Where(tx.Order.ID.Eq(oid)).Updates(&models.Order{
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Status: consts.OrderStatusRefunded,
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RefundedAt: time.Now(),
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RefundOperatorUserID: uid,
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RefundReason: form.Reason,
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})
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if err != nil {
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return err
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}
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// 4. Revoke Content Access
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// Fetch order items to get content IDs
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items, _ := tx.OrderItem.WithContext(ctx).Where(tx.OrderItem.OrderID.Eq(oid)).Find()
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contentIDs := make([]int64, len(items))
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for i, item := range items {
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contentIDs[i] = item.ContentID
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}
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if len(contentIDs) > 0 {
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_, err = tx.ContentAccess.WithContext(ctx).
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Where(tx.ContentAccess.UserID.Eq(o.UserID), tx.ContentAccess.ContentID.In(contentIDs...)).
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UpdateSimple(tx.ContentAccess.Status.Value(consts.ContentAccessStatusRevoked))
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if err != nil {
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return err
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}
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}
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// 5. Create Tenant Ledger
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ledger := &models.TenantLedger{
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TenantID: tid,
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UserID: uid,
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OrderID: oid,
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Type: consts.TenantLedgerTypeCreditRefund,
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Amount: o.AmountPaid,
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Remark: "退款: " + form.Reason,
|
|
OperatorUserID: uid,
|
|
IdempotencyKey: uuid.NewString(),
|
|
}
|
|
if err := tx.TenantLedger.WithContext(ctx).Create(ledger); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
})
|
|
}
|
|
|
|
return errorx.ErrBadRequest.WithMsg("无效的操作")
|
|
}
|
|
|
|
func (s *creator) GetSettings(ctx context.Context, userID int64) (*creator_dto.Settings, error) {
|
|
tid, err := s.getTenantID(ctx, userID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
t, err := models.TenantQuery.WithContext(ctx).Where(models.TenantQuery.ID.Eq(tid)).First()
|
|
if err != nil {
|
|
return nil, errorx.ErrRecordNotFound
|
|
}
|
|
// Extract from t.Config
|
|
return &creator_dto.Settings{
|
|
Name: t.Name,
|
|
// Bio/Avatar from Config
|
|
}, nil
|
|
}
|
|
|
|
func (s *creator) UpdateSettings(ctx context.Context, userID int64, form *creator_dto.Settings) error {
|
|
return nil
|
|
}
|
|
|
|
func (s *creator) ListPayoutAccounts(ctx context.Context, userID int64) ([]creator_dto.PayoutAccount, error) {
|
|
tid, err := s.getTenantID(ctx, userID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
list, err := models.PayoutAccountQuery.WithContext(ctx).Where(models.PayoutAccountQuery.TenantID.Eq(tid)).Find()
|
|
if err != nil {
|
|
return nil, errorx.ErrDatabaseError.WithCause(err)
|
|
}
|
|
|
|
var data []creator_dto.PayoutAccount
|
|
for _, v := range list {
|
|
data = append(data, creator_dto.PayoutAccount{
|
|
ID: cast.ToString(v.ID),
|
|
Type: v.Type,
|
|
Name: v.Name,
|
|
Account: v.Account,
|
|
Realname: v.Realname,
|
|
})
|
|
}
|
|
return data, nil
|
|
}
|
|
|
|
func (s *creator) AddPayoutAccount(ctx context.Context, userID int64, form *creator_dto.PayoutAccount) error {
|
|
tid, err := s.getTenantID(ctx, userID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
uid := userID
|
|
|
|
pa := &models.PayoutAccount{
|
|
TenantID: tid,
|
|
UserID: uid,
|
|
Type: form.Type,
|
|
Name: form.Name,
|
|
Account: form.Account,
|
|
Realname: form.Realname,
|
|
}
|
|
if err := models.PayoutAccountQuery.WithContext(ctx).Create(pa); err != nil {
|
|
return errorx.ErrDatabaseError.WithCause(err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *creator) RemovePayoutAccount(ctx context.Context, userID int64, id string) error {
|
|
tid, err := s.getTenantID(ctx, userID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
pid := cast.ToInt64(id)
|
|
|
|
_, err = models.PayoutAccountQuery.WithContext(ctx).
|
|
Where(models.PayoutAccountQuery.ID.Eq(pid), models.PayoutAccountQuery.TenantID.Eq(tid)).
|
|
Delete()
|
|
if err != nil {
|
|
return errorx.ErrDatabaseError.WithCause(err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *creator) Withdraw(ctx context.Context, userID int64, form *creator_dto.WithdrawForm) error {
|
|
tid, err := s.getTenantID(ctx, userID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
uid := userID
|
|
|
|
amount := int64(form.Amount * 100)
|
|
if amount <= 0 {
|
|
return errorx.ErrBadRequest.WithMsg("金额无效")
|
|
}
|
|
|
|
// Validate Payout Account
|
|
_, err = models.PayoutAccountQuery.WithContext(ctx).
|
|
Where(models.PayoutAccountQuery.ID.Eq(cast.ToInt64(form.AccountID)), models.PayoutAccountQuery.TenantID.Eq(tid)).
|
|
First()
|
|
if err != nil {
|
|
return errorx.ErrRecordNotFound.WithMsg("收款账户不存在")
|
|
}
|
|
|
|
return models.Q.Transaction(func(tx *models.Query) error {
|
|
// 1. Deduct Balance
|
|
info, err := tx.User.WithContext(ctx).
|
|
Where(tx.User.ID.Eq(uid), tx.User.Balance.Gte(amount)).
|
|
Update(tx.User.Balance, gorm.Expr("balance - ?", amount))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if info.RowsAffected == 0 {
|
|
return errorx.ErrQuotaExceeded.WithMsg("余额不足")
|
|
}
|
|
|
|
// 2. Create Order (Withdrawal)
|
|
order := &models.Order{
|
|
TenantID: tid,
|
|
UserID: uid,
|
|
Type: consts.OrderTypeWithdrawal,
|
|
Status: consts.OrderStatusCreated, // Created = Pending Processing
|
|
Currency: consts.CurrencyCNY,
|
|
AmountOriginal: amount,
|
|
AmountPaid: amount, // Actually Amount Withdrawn
|
|
IdempotencyKey: uuid.NewString(),
|
|
Snapshot: types.NewJSONType(fields.OrdersSnapshot{}), // Can store account details here
|
|
}
|
|
if err := tx.Order.WithContext(ctx).Create(order); err != nil {
|
|
return err
|
|
}
|
|
|
|
// 3. Create Tenant Ledger
|
|
ledger := &models.TenantLedger{
|
|
TenantID: tid,
|
|
UserID: uid,
|
|
OrderID: order.ID,
|
|
Type: consts.TenantLedgerTypeCreditWithdrawal,
|
|
Amount: amount,
|
|
Remark: "提现申请",
|
|
OperatorUserID: uid,
|
|
IdempotencyKey: uuid.NewString(),
|
|
}
|
|
if err := tx.TenantLedger.WithContext(ctx).Create(ledger); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
})
|
|
}
|
|
|
|
// Helpers
|
|
|
|
func (s *creator) getTenantID(ctx context.Context, userID int64) (int64, error) {
|
|
if userID == 0 {
|
|
return 0, errorx.ErrUnauthorized
|
|
}
|
|
uid := userID
|
|
|
|
// Simple check: User owns tenant
|
|
t, err := models.TenantQuery.WithContext(ctx).Where(models.TenantQuery.UserID.Eq(uid)).First()
|
|
if err != nil {
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return 0, errorx.ErrPermissionDenied.WithMsg("非创作者")
|
|
}
|
|
return 0, errorx.ErrDatabaseError.WithCause(err)
|
|
}
|
|
return t.ID, nil
|
|
}
|