244 lines
9.1 KiB
Go
244 lines
9.1 KiB
Go
package entity
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import (
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"time"
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"gorm.io/gorm"
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)
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// Photo 照片实体
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type Photo struct {
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ID uint `json:"id" gorm:"primarykey"`
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Title string `json:"title" gorm:"not null;size:200"`
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Description string `json:"description" gorm:"type:text"`
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Filename string `json:"filename" gorm:"not null;size:255"`
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OriginalFilename string `json:"original_filename" gorm:"not null;size:255"`
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UniqueFilename string `json:"unique_filename" gorm:"not null;size:255"`
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FilePath string `json:"file_path" gorm:"not null;size:500"`
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OriginalURL string `json:"original_url" gorm:"not null;size:500"`
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ThumbnailURL string `json:"thumbnail_url" gorm:"size:500"`
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MediumURL string `json:"medium_url" gorm:"size:500"`
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LargeURL string `json:"large_url" gorm:"size:500"`
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FileSize int64 `json:"file_size"`
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MimeType string `json:"mime_type" gorm:"size:100"`
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Width int `json:"width"`
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Height int `json:"height"`
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Status PhotoStatus `json:"status" gorm:"default:active;size:20"`
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// EXIF 信息
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Camera string `json:"camera" gorm:"size:100"`
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Lens string `json:"lens" gorm:"size:100"`
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CameraMake string `json:"camera_make" gorm:"size:100"`
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CameraModel string `json:"camera_model" gorm:"size:100"`
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LensModel string `json:"lens_model" gorm:"size:100"`
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FocalLength *float64 `json:"focal_length" gorm:"type:decimal(5,2)"`
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Aperture *float64 `json:"aperture" gorm:"type:decimal(3,1)"`
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ShutterSpeed string `json:"shutter_speed" gorm:"size:20"`
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ISO *int `json:"iso"`
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TakenAt *time.Time `json:"taken_at"`
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// 地理位置信息
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LocationName string `json:"location_name" gorm:"size:200"`
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Latitude *float64 `json:"latitude" gorm:"type:decimal(10,8)"`
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Longitude *float64 `json:"longitude" gorm:"type:decimal(11,8)"`
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// 关联
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UserID uint `json:"user_id" gorm:"not null;index"`
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AlbumID *uint `json:"album_id" gorm:"index"`
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CategoryID *uint `json:"category_id" gorm:"index"`
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// 状态和统计
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IsPublic bool `json:"is_public" gorm:"default:true;index"`
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IsFeatured bool `json:"is_featured" gorm:"default:false;index"`
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ViewCount int `json:"view_count" gorm:"default:0;index"`
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LikeCount int `json:"like_count" gorm:"default:0;index"`
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DownloadCount int `json:"download_count" gorm:"default:0"`
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SortOrder int `json:"sort_order" gorm:"default:0;index"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
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// 关联对象
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User User `json:"user,omitempty" gorm:"foreignKey:UserID"`
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Album *Album `json:"album,omitempty" gorm:"foreignKey:AlbumID"`
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Category *Category `json:"category,omitempty" gorm:"foreignKey:CategoryID"`
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Tags []Tag `json:"tags,omitempty" gorm:"many2many:photo_tags;"`
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}
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// PhotoStatus 照片状态枚举
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type PhotoStatus string
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const (
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PhotoStatusActive PhotoStatus = "active"
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PhotoStatusInactive PhotoStatus = "inactive"
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PhotoStatusDeleted PhotoStatus = "deleted"
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PhotoStatusDraft PhotoStatus = "draft"
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PhotoStatusPrivate PhotoStatus = "private"
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)
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// Status constants for compatibility
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const (
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StatusPublished PhotoStatus = "active"
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StatusDraft PhotoStatus = "draft"
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StatusArchived PhotoStatus = "inactive"
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)
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// PhotoTag 照片标签关联表
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type PhotoTag struct {
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PhotoID uint `json:"photo_id" gorm:"primaryKey"`
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TagID uint `json:"tag_id" gorm:"primaryKey"`
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}
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// PhotoStats 照片统计信息
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type PhotoStats struct {
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Total int64 `json:"total"` // 总照片数
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Published int64 `json:"published"` // 已发布照片数
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Private int64 `json:"private"` // 私有照片数
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Featured int64 `json:"featured"` // 精选照片数
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TotalViews int64 `json:"total_views"` // 总浏览量
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TotalLikes int64 `json:"total_likes"` // 总点赞数
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TotalDownloads int64 `json:"total_downloads"` // 总下载数
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FileSize int64 `json:"file_size"` // 总文件大小
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TotalSize int64 `json:"total_size"` // 总大小（别名）
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ThisMonth int64 `json:"this_month"` // 本月新增
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Today int64 `json:"today"` // 今日新增
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StatusStats map[string]int64 `json:"status_stats"` // 状态统计
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CategoryCounts map[string]int64 `json:"category_counts"` // 各分类照片数量
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TagCounts map[string]int64 `json:"tag_counts"` // 各标签照片数量
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}
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// PhotoListParams 照片列表查询参数
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type PhotoListParams struct {
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Page int `json:"page" form:"page"`
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Limit int `json:"limit" form:"limit"`
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Sort string `json:"sort" form:"sort"`
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Order string `json:"order" form:"order"`
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Search string `json:"search" form:"search"`
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UserID *uint `json:"user_id" form:"user_id"`
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Status *PhotoStatus `json:"status" form:"status"`
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CategoryID *uint `json:"category_id" form:"category_id"`
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TagID *uint `json:"tag_id" form:"tag_id"`
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DateFrom *time.Time `json:"date_from" form:"date_from"`
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DateTo *time.Time `json:"date_to" form:"date_to"`
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}
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// CreatePhotoRequest 创建照片请求
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type CreatePhotoRequest struct {
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Title string `json:"title" binding:"required,max=200"`
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Description string `json:"description" binding:"max=1000"`
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OriginalFilename string `json:"original_filename"`
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FileSize int64 `json:"file_size"`
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Status string `json:"status" binding:"oneof=active inactive"`
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Camera string `json:"camera" binding:"max=100"`
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Lens string `json:"lens" binding:"max=100"`
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ISO *int `json:"iso"`
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Aperture *float64 `json:"aperture"`
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ShutterSpeed string `json:"shutter_speed" binding:"max=20"`
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FocalLength *float64 `json:"focal_length"`
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TakenAt *time.Time `json:"taken_at"`
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CategoryIDs []uint `json:"category_ids"`
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TagIDs []uint `json:"tag_ids"`
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}
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// UpdatePhotoRequest 更新照片请求
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type UpdatePhotoRequest struct {
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Title *string `json:"title" binding:"omitempty,max=200"`
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Description *string `json:"description" binding:"max=1000"`
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Status *string `json:"status" binding:"omitempty,oneof=active inactive"`
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Camera *string `json:"camera" binding:"omitempty,max=100"`
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Lens *string `json:"lens" binding:"omitempty,max=100"`
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ISO *int `json:"iso"`
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Aperture *float64 `json:"aperture"`
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ShutterSpeed *string `json:"shutter_speed" binding:"omitempty,max=20"`
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FocalLength *float64 `json:"focal_length"`
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TakenAt *time.Time `json:"taken_at"`
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CategoryIDs *[]uint `json:"category_ids"`
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TagIDs *[]uint `json:"tag_ids"`
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}
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// BatchUpdatePhotosRequest 批量更新照片请求
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type BatchUpdatePhotosRequest struct {
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Status *string `json:"status" binding:"omitempty,oneof=active inactive"`
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CategoryIDs *[]uint `json:"category_ids"`
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TagIDs *[]uint `json:"tag_ids"`
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}
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// PhotoFormat 照片格式
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type PhotoFormat struct {
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ID uint `json:"id" gorm:"primarykey"`
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PhotoID uint `json:"photo_id" gorm:"not null;index"`
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Format string `json:"format" gorm:"not null;size:20"` // jpg, png, webp
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Quality int `json:"quality" gorm:"not null"` // 1-100
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Width int `json:"width" gorm:"not null"`
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Height int `json:"height" gorm:"not null"`
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FileSize int64 `json:"file_size" gorm:"not null"`
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URL string `json:"url" gorm:"not null;size:500"`
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CreatedAt time.Time `json:"created_at"`
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}
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func (PhotoFormat) TableName() string {
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return "photo_formats"
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}
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// TableName 指定表名
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func (Photo) TableName() string {
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return "photos"
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}
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// TableName 指定关联表名
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func (PhotoTag) TableName() string {
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return "photo_tags"
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}
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// GetAspectRatio 获取宽高比
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func (p *Photo) GetAspectRatio() float64 {
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if p.Height == 0 {
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return 0
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}
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return float64(p.Width) / float64(p.Height)
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}
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// IsLandscape 是否为横向
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func (p *Photo) IsLandscape() bool {
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return p.Width > p.Height
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}
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// IsPortrait 是否为纵向
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func (p *Photo) IsPortrait() bool {
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return p.Width < p.Height
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}
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// IsSquare 是否为正方形
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func (p *Photo) IsSquare() bool {
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return p.Width == p.Height
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}
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// HasLocation 是否有地理位置信息
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func (p *Photo) HasLocation() bool {
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return p.Latitude != nil && p.Longitude != nil
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}
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// HasEXIF 是否有EXIF信息
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func (p *Photo) HasEXIF() bool {
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return p.CameraMake != "" || p.CameraModel != "" || p.TakenAt != nil
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}
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// GetDisplayURL 获取显示URL（根据尺寸）
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func (p *Photo) GetDisplayURL(size string) string {
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switch size {
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case "thumbnail":
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if p.ThumbnailURL != "" {
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return p.ThumbnailURL
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}
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case "medium":
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if p.MediumURL != "" {
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return p.MediumURL
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}
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case "large":
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if p.LargeURL != "" {
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return p.LargeURL
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}
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}
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return p.OriginalURL
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} |