369 lines
12 KiB
Go
369 lines
12 KiB
Go
package live
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import (
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"context"
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"errors"
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"strings"
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"time"
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bizlive "kra/internal/biz/live"
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"gorm.io/gorm"
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)
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type Provider interface {
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DB() *gorm.DB
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}
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type categoryPO struct {
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ID uint `gorm:"primaryKey"`
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CreatedAt time.Time
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UpdatedAt time.Time
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DeletedAt gorm.DeletedAt `gorm:"index"`
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Name string `gorm:"size:40;uniqueIndex"`
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Icon string `gorm:"size:500"`
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Sort int `gorm:"default:0;index"`
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Enabled bool `gorm:"default:true;index"`
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}
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func (categoryPO) TableName() string { return "live_categories" }
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type roomPO struct {
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ID uint `gorm:"primaryKey"`
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CreatedAt time.Time `gorm:"index"`
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UpdatedAt time.Time
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DeletedAt gorm.DeletedAt `gorm:"index"`
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Name string `gorm:"size:120;index"`
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CategoryID uint `gorm:"index"`
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CoverURL string `gorm:"size:1000"`
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Intro string `gorm:"size:500"`
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Sort int `gorm:"default:0;index"`
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AnchorUserID uint `gorm:"index"`
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StreamURL string `gorm:"size:1000"`
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ReplayURL string `gorm:"size:1000"`
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Enabled bool `gorm:"default:true;index"`
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}
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func (roomPO) TableName() string { return "live_rooms" }
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type roomRow struct {
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ID uint
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CreatedAt time.Time
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UpdatedAt time.Time
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DeletedAt gorm.DeletedAt
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Name string
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CategoryID uint
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CoverURL string
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Intro string
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Sort int
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AnchorUserID uint
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StreamURL string
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ReplayURL string
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Enabled bool
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CategoryName string `gorm:"column:category_name"`
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AnchorName string `gorm:"column:anchor_name"`
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AnchorAvatar string `gorm:"column:anchor_avatar"`
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}
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type categoryRow struct {
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ID uint
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CreatedAt time.Time
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UpdatedAt time.Time
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DeletedAt gorm.DeletedAt
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Name string
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Icon string
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Sort int
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Enabled bool
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RoomCount int64 `gorm:"column:room_count"`
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}
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type catalogRepo struct{ data Provider }
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func NewCatalogRepo(data Provider) *catalogRepo { return &catalogRepo{data: data} }
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func (r *catalogRepo) ListCategories(ctx context.Context, filter bizlive.CategoryFilter, options bizlive.ListOptions) ([]*bizlive.Category, int64, error) {
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db := r.db(ctx)
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if db == nil {
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return nil, 0, gorm.ErrInvalidDB
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}
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query := db.Model(&categoryPO{})
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if filter.Name != "" {
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query = query.Where("live_categories.name LIKE ?", "%"+filter.Name+"%")
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}
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if filter.Enabled != nil {
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query = query.Where("live_categories.enabled = ?", *filter.Enabled)
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}
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var total int64
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if err := query.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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order := categoryOrder(options.OrderBy)
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var rows []categoryRow
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err := query.
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Select("live_categories.*, COUNT(live_rooms.id) AS room_count").
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Joins("LEFT JOIN live_rooms ON live_rooms.category_id = live_categories.id AND live_rooms.deleted_at IS NULL AND live_rooms.enabled = ?", true).
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Group("live_categories.id").Order(order).Offset(options.Offset).Limit(options.Limit).Scan(&rows).Error
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if err != nil {
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return nil, 0, err
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}
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items := make([]*bizlive.Category, 0, len(rows))
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for index := range rows {
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items = append(items, categoryToBiz(&rows[index]))
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}
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return items, total, nil
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}
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func (r *catalogRepo) GetCategory(ctx context.Context, id uint) (*bizlive.Category, error) {
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var row categoryRow
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err := r.db(ctx).Model(&categoryPO{}).
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Select("live_categories.*, COUNT(live_rooms.id) AS room_count").
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Joins("LEFT JOIN live_rooms ON live_rooms.category_id = live_categories.id AND live_rooms.deleted_at IS NULL AND live_rooms.enabled = ?", true).
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Where("live_categories.id = ?", id).Group("live_categories.id").Scan(&row).Error
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if err != nil {
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return nil, err
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}
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if row.ID == 0 {
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return nil, bizlive.ErrCategoryNotFound
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}
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return categoryToBiz(&row), nil
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}
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func (r *catalogRepo) CreateCategory(ctx context.Context, item *bizlive.Category) (*bizlive.Category, error) {
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po := newCategory(item)
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if err := r.db(ctx).Create(po).Error; err != nil {
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return nil, mapCategoryError(err)
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}
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return r.GetCategory(ctx, po.ID)
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}
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func (r *catalogRepo) UpdateCategory(ctx context.Context, item *bizlive.Category) (*bizlive.Category, error) {
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result := r.db(ctx).Model(&categoryPO{}).Where("id = ?", item.ID).Updates(map[string]any{
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"name": item.Name, "icon": item.Icon, "sort": item.Sort, "enabled": item.Enabled,
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})
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if result.Error != nil {
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return nil, mapCategoryError(result.Error)
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}
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if result.RowsAffected == 0 {
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return nil, bizlive.ErrCategoryNotFound
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}
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return r.GetCategory(ctx, item.ID)
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}
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func (r *catalogRepo) DeleteCategory(ctx context.Context, id uint) error {
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db := r.db(ctx)
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var count int64
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if err := db.Model(&roomPO{}).Where("category_id = ?", id).Count(&count).Error; err != nil {
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return err
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}
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if count > 0 {
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return bizlive.ErrCategoryInUse
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}
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result := db.Delete(&categoryPO{}, id)
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return bizlive.ErrCategoryNotFound
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}
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return nil
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}
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func (r *catalogRepo) ListRooms(ctx context.Context, filter bizlive.RoomFilter, options bizlive.ListOptions) ([]*bizlive.Room, int64, error) {
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db := r.db(ctx)
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query := db.Model(&roomPO{}).
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Joins("LEFT JOIN live_categories ON live_categories.id = live_rooms.category_id").
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Joins("LEFT JOIN sys_users ON sys_users.id = live_rooms.anchor_user_id AND sys_users.deleted_at IS NULL")
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if filter.Name != "" {
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value := "%" + filter.Name + "%"
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query = query.Where("live_rooms.name LIKE ? OR CAST(live_rooms.id AS CHAR) LIKE ?", value, value)
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}
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if filter.AnchorName != "" {
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value := "%" + filter.AnchorName + "%"
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query = query.Where("sys_users.nick_name LIKE ? OR sys_users.username LIKE ?", value, value)
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}
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if filter.CategoryID > 0 {
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query = query.Where("live_rooms.category_id = ?", filter.CategoryID)
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}
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if filter.Enabled != nil {
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query = query.Where("live_rooms.enabled = ?", *filter.Enabled)
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}
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if filter.CategoryEnabled != nil {
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query = query.Where("live_categories.enabled = ?", *filter.CategoryEnabled)
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}
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if filter.Status == bizlive.RoomStatusDisabled {
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query = query.Where("live_rooms.enabled = ?", false)
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} else if filter.Status == bizlive.RoomStatusOffline || filter.Status == bizlive.RoomStatusLive {
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query = query.Where("live_rooms.enabled = ?", true)
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}
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if len(filter.CreatedAt) == 2 {
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query = query.Where("live_rooms.created_at BETWEEN ? AND ?", filter.CreatedAt[0], filter.CreatedAt[1])
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}
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var total int64
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if err := query.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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var rows []roomRow
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err := query.Select("live_rooms.*, live_categories.name AS category_name, COALESCE(NULLIF(sys_users.nick_name, ''), sys_users.username) AS anchor_name, sys_users.header_img AS anchor_avatar").
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Order(roomOrder(options.OrderBy)).Offset(options.Offset).Limit(options.Limit).Scan(&rows).Error
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if err != nil {
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return nil, 0, err
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}
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items := make([]*bizlive.Room, 0, len(rows))
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for index := range rows {
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items = append(items, roomToBiz(&rows[index]))
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}
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return items, total, nil
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}
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func (r *catalogRepo) GetRoom(ctx context.Context, id uint) (*bizlive.Room, error) {
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var row roomRow
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err := r.db(ctx).Model(&roomPO{}).
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Select("live_rooms.*, live_categories.name AS category_name, COALESCE(NULLIF(sys_users.nick_name, ''), sys_users.username) AS anchor_name, sys_users.header_img AS anchor_avatar").
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Joins("LEFT JOIN live_categories ON live_categories.id = live_rooms.category_id").
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Joins("LEFT JOIN sys_users ON sys_users.id = live_rooms.anchor_user_id AND sys_users.deleted_at IS NULL").
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Where("live_rooms.id = ?", id).Scan(&row).Error
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if err != nil {
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return nil, err
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}
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if row.ID == 0 {
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return nil, bizlive.ErrRoomNotFound
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}
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return roomToBiz(&row), nil
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}
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func (r *catalogRepo) CreateRoom(ctx context.Context, item *bizlive.Room) (*bizlive.Room, error) {
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if err := r.validateRoomRelations(ctx, item); err != nil {
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return nil, err
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}
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po := newRoom(item)
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if err := r.db(ctx).Create(po).Error; err != nil {
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return nil, err
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}
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return r.GetRoom(ctx, po.ID)
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}
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func (r *catalogRepo) UpdateRoom(ctx context.Context, item *bizlive.Room) (*bizlive.Room, error) {
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if err := r.validateRoomRelations(ctx, item); err != nil {
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return nil, err
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}
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result := r.db(ctx).Model(&roomPO{}).Where("id = ?", item.ID).Updates(map[string]any{
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"name": item.Name, "category_id": item.CategoryID, "cover_url": item.CoverURL, "intro": item.Intro,
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"sort": item.Sort, "anchor_user_id": item.AnchorUserID, "stream_url": item.StreamURL, "replay_url": item.ReplayURL, "enabled": item.Enabled,
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})
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if result.Error != nil {
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return nil, result.Error
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}
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if result.RowsAffected == 0 {
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return nil, bizlive.ErrRoomNotFound
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}
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return r.GetRoom(ctx, item.ID)
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}
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func (r *catalogRepo) DeleteRoom(ctx context.Context, id uint) error {
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result := r.db(ctx).Delete(&roomPO{}, id)
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return bizlive.ErrRoomNotFound
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}
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return nil
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}
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func (r *catalogRepo) UpdateRoomEnabled(ctx context.Context, id uint, enabled bool) error {
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result := r.db(ctx).Model(&roomPO{}).Where("id = ?", id).Update("enabled", enabled)
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return bizlive.ErrRoomNotFound
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}
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return nil
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}
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func (r *catalogRepo) SaveRoomSort(ctx context.Context, values map[uint]int) error {
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return r.db(ctx).Transaction(func(tx *gorm.DB) error {
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for id, sortValue := range values {
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if err := tx.Model(&roomPO{}).Where("id = ?", id).Update("sort", sortValue).Error; 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 (r *catalogRepo) validateRoomRelations(ctx context.Context, item *bizlive.Room) error {
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db := r.db(ctx)
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var category categoryPO
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if err := db.First(&category, item.CategoryID).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return bizlive.ErrCategoryNotFound
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}
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return err
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}
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if !category.Enabled {
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return bizlive.ErrCategoryDisabled
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}
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var count int64
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if err := db.Table("sys_users").Where("id = ? AND deleted_at IS NULL", item.AnchorUserID).Count(&count).Error; err != nil {
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return err
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}
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if count == 0 {
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return bizlive.ErrAnchorNotFound
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}
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return nil
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}
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func (r *catalogRepo) db(ctx context.Context) *gorm.DB {
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if r == nil || r.data == nil || r.data.DB() == nil {
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return nil
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}
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return r.data.DB().WithContext(ctx)
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}
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func newCategory(item *bizlive.Category) *categoryPO {
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return &categoryPO{Name: item.Name, Icon: item.Icon, Sort: item.Sort, Enabled: item.Enabled}
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}
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func categoryToBiz(row *categoryRow) *bizlive.Category {
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return &bizlive.Category{ID: row.ID, Name: row.Name, Icon: row.Icon, Sort: row.Sort, Enabled: row.Enabled, RoomCount: row.RoomCount, CreatedAt: row.CreatedAt, UpdatedAt: row.UpdatedAt}
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}
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func newRoom(item *bizlive.Room) *roomPO {
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return &roomPO{Name: item.Name, CategoryID: item.CategoryID, CoverURL: item.CoverURL, Intro: item.Intro, Sort: item.Sort, AnchorUserID: item.AnchorUserID, StreamURL: item.StreamURL, ReplayURL: item.ReplayURL, Enabled: item.Enabled}
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}
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func roomToBiz(row *roomRow) *bizlive.Room {
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return &bizlive.Room{ID: row.ID, Name: row.Name, CategoryID: row.CategoryID, CategoryName: row.CategoryName, CoverURL: row.CoverURL, Intro: row.Intro, Sort: row.Sort, AnchorUserID: row.AnchorUserID, AnchorName: row.AnchorName, AnchorAvatar: row.AnchorAvatar, StreamURL: row.StreamURL, ReplayURL: row.ReplayURL, Enabled: row.Enabled, CreatedAt: row.CreatedAt, UpdatedAt: row.UpdatedAt}
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}
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func categoryOrder(value string) string {
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allowed := map[string]string{"sort_asc": "live_categories.sort ASC", "sort_desc": "live_categories.sort DESC", "created_at_asc": "live_categories.created_at ASC", "created_at_desc": "live_categories.created_at DESC"}
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if order := allowed[strings.ToLower(value)]; order != "" {
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return order
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}
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return "live_categories.sort ASC, live_categories.created_at DESC"
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}
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func roomOrder(value string) string {
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allowed := map[string]string{
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"sort_asc": "live_rooms.sort ASC", "sort_desc": "live_rooms.sort DESC", "id_asc": "live_rooms.id ASC", "id_desc": "live_rooms.id DESC",
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"name_asc": "live_rooms.name ASC", "name_desc": "live_rooms.name DESC", "created_at_asc": "live_rooms.created_at ASC", "created_at_desc": "live_rooms.created_at DESC",
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}
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if order := allowed[strings.ToLower(value)]; order != "" {
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return order
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}
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return "live_rooms.sort ASC, live_rooms.created_at DESC"
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}
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func mapCategoryError(err error) error {
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if err == nil {
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return nil
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}
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message := strings.ToLower(err.Error())
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if strings.Contains(message, "unique") || strings.Contains(message, "duplicate") {
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return bizlive.ErrCategoryNameExists
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}
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return err
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}
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