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fix(P1): Router Bug 修复 + Video 复合索引 + ListByAuthorID 加 LIMIT

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This commit is contained in:
Sisyphus
2026-04-25 15:29:47 +08:00
parent 5c54cc3f53
commit d68a4f3f65
3 changed files with 305 additions and 304 deletions
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97
backend/internal/video/video_entity.go
View File

@@ -1,48 +1,49 @@
package video
import "time"
type Video struct {
ID uint `gorm:"primaryKey" json:"id"`
AuthorID uint `gorm:"index;not null" json:"author_id"`
Username string `gorm:"type:varchar(255);not null" json:"username"`
Title string `gorm:"type:varchar(255);not null" json:"title"`
Description string `gorm:"type:varchar(255);" json:"description,omitempty"`
PlayURL string `gorm:"type:varchar(255);not null" json:"play_url"`
CoverURL string `gorm:"type:varchar(255);not null" json:"cover_url"`
CreateTime time.Time `gorm:"autoCreateTime" json:"create_time"`
LikesCount int64 `gorm:"column:likes_count;not null;default:0" json:"likes_count"`
Popularity int64 `gorm:"column:popularity;not null;default:0" json:"popularity"`
}
type PublishVideoRequest struct {
Title string `json:"title"`
Description string `json:"description"`
PlayURL string `json:"play_url"`
CoverURL string `json:"cover_url"`
}
type DeleteVideoRequest struct {
ID uint `json:"id"`
}
type ListByAuthorIDRequest struct {
AuthorID uint `json:"author_id"`
}
type GetDetailRequest struct {
ID uint `json:"id"`
}
type UpdateLikesCountRequest struct {
ID uint `json:"id"`
LikesCount int64 `json:"likes_count"`
}
type OutboxMsg struct {
ID uint `gorm:"primaryKey"`
VideoID uint `gorm:"index"`
EventType string `gorm:"type:varchar(50)"`
CreateTime time.Time `gorm:"autoCreateTime"`
Status string `gorm:"type:varchar(50);index"`
}
package video
import "time"
type Video struct {
ID uint `gorm:"primaryKey" json:"id"`
AuthorID uint `gorm:"index;not null" json:"author_id"`
Username string `gorm:"type:varchar(255);not null" json:"username"`
Title string `gorm:"type:varchar(255);not null" json:"title"`
Description string `gorm:"type:varchar(255);" json:"description,omitempty"`
PlayURL string `gorm:"type:varchar(255);not null" json:"play_url"`
CoverURL string `gorm:"type:varchar(255);not null" json:"cover_url"`
CreateTime time.Time `gorm:"autoCreateTime;index:idx_videos_create_time,sort:desc;index:idx_videos_popularity_time_id,priority:2,sort:desc" json:"create_time"`
LikesCount int64 `gorm:"column:likes_count;not null;default:0;index:idx_videos_likes_count_id,priority:1,sort:desc" json:"likes_count"`
Popularity int64 `gorm:"column:popularity;not null;default:0;index:idx_videos_popularity_time_id,priority:1,sort:desc" json:"popularity"`
}
}
type PublishVideoRequest struct {
Title string `json:"title"`
Description string `json:"description"`
PlayURL string `json:"play_url"`
CoverURL string `json:"cover_url"`
}
type DeleteVideoRequest struct {
ID uint `json:"id"`
}
type ListByAuthorIDRequest struct {
AuthorID uint `json:"author_id"`
}
type GetDetailRequest struct {
ID uint `json:"id"`
}
type UpdateLikesCountRequest struct {
ID uint `json:"id"`
LikesCount int64 `json:"likes_count"`
}
type OutboxMsg struct {
ID uint `gorm:"primaryKey"`
VideoID uint `gorm:"index"`
EventType string `gorm:"type:varchar(50)"`
CreateTime time.Time `gorm:"autoCreateTime"`
Status string `gorm:"type:varchar(50);index"`
}

208
backend/internal/video/video_repo.go
View File

@@ -1,104 +1,104 @@
package video
import (
"context"
"errors"
"gorm.io/gorm"
)
type VideoRepository struct {
db *gorm.DB
}
func NewVideoRepository(db *gorm.DB) *VideoRepository {
return &VideoRepository{db: db}
}
func (vr *VideoRepository) CreateVideo(ctx context.Context, video *Video) error {
if err := vr.db.WithContext(ctx).Create(video).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) CreateMsg(ctx context.Context, Msg *OutboxMsg) error {
if err := vr.db.WithContext(ctx).Create(Msg).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) DeleteVideo(ctx context.Context, id uint) error {
if err := vr.db.WithContext(ctx).Delete(&Video{}, id).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ListByAuthorID(ctx context.Context, authorID int64) ([]Video, error) {
var videos []Video
if err := vr.db.WithContext(ctx).
Where("author_id = ?", authorID).
Order("create_time desc").
Offset(0).
Find(&videos).Error; err != nil {
return nil, err
}
return videos, nil
}
func (vr *VideoRepository) GetByID(ctx context.Context, id uint) (*Video, error) {
var video Video
if err := vr.db.WithContext(ctx).First(&video, id).Error; err != nil {
return (*Video)(nil), err
}
return &video, nil
}
func (vr *VideoRepository) UpdateLikesCount(ctx context.Context, id uint, likesCount int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
Update("likes_count", likesCount).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) IsExist(ctx context.Context, id uint) (bool, error) {
var video Video
if err := vr.db.WithContext(ctx).First(&video, id).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return false, nil
}
return false, err
}
return true, nil
}
func (vr *VideoRepository) UpdatePopularity(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
Update("popularity", gorm.Expr("popularity + ?", change)).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ChangeLikesCount(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
UpdateColumn("likes_count", gorm.Expr("GREATEST(likes_count + ?, 0)", change)).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ChangePopularity(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
UpdateColumn("popularity", gorm.Expr("GREATEST(popularity + ?, 0)", change)).Error; err != nil {
return err
}
return nil
}
package video
import (
"context"
"errors"
"gorm.io/gorm"
)
type VideoRepository struct {
db *gorm.DB
}
func NewVideoRepository(db *gorm.DB) *VideoRepository {
return &VideoRepository{db: db}
}
func (vr *VideoRepository) CreateVideo(ctx context.Context, video *Video) error {
if err := vr.db.WithContext(ctx).Create(video).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) CreateMsg(ctx context.Context, Msg *OutboxMsg) error {
if err := vr.db.WithContext(ctx).Create(Msg).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) DeleteVideo(ctx context.Context, id uint) error {
if err := vr.db.WithContext(ctx).Delete(&Video{}, id).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ListByAuthorID(ctx context.Context, authorID int64) ([]Video, error) {
var videos []Video
if err := vr.db.WithContext(ctx).
Where("author_id = ?", authorID).
Order("create_time desc").
Limit(200).
Find(&videos).Error; err != nil {
return nil, err
}
return videos, nil
}
func (vr *VideoRepository) GetByID(ctx context.Context, id uint) (*Video, error) {
var video Video
if err := vr.db.WithContext(ctx).First(&video, id).Error; err != nil {
return (*Video)(nil), err
}
return &video, nil
}
func (vr *VideoRepository) UpdateLikesCount(ctx context.Context, id uint, likesCount int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
Update("likes_count", likesCount).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) IsExist(ctx context.Context, id uint) (bool, error) {
var video Video
if err := vr.db.WithContext(ctx).First(&video, id).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return false, nil
}
return false, err
}
return true, nil
}
func (vr *VideoRepository) UpdatePopularity(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
Update("popularity", gorm.Expr("popularity + ?", change)).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ChangeLikesCount(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
UpdateColumn("likes_count", gorm.Expr("GREATEST(likes_count + ?, 0)", change)).Error; err != nil {
return err
}
return nil
}
func (vr *VideoRepository) ChangePopularity(ctx context.Context, id uint, change int64) error {
if err := vr.db.WithContext(ctx).Model(&Video{}).
Where("id = ?", id).
UpdateColumn("popularity", gorm.Expr("GREATEST(popularity + ?, 0)", change)).Error; err != nil {
return err
}
return nil
}