69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package models
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import (
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"fmt"
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"strings"
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"github.com/gosimple/slug"
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"github.com/jinzhu/gorm"
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uuid "github.com/satori/go.uuid"
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)
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// An image or sidecar file that belongs to a photo
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type File struct {
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Model
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Photo *Photo
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PhotoID uint `gorm:"index;"`
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PhotoUUID string `gorm:"index;"`
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FileUUID string `gorm:"unique_index;"`
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FileName string `gorm:"type:varchar(512);unique_index"` // max 3072 bytes / 4 bytes for utf8mb4 = 768 chars
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FileHash string `gorm:"type:varchar(128);unique_index"`
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FileOriginalName string
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FileType string `gorm:"type:varchar(32)"`
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FileMime string `gorm:"type:varchar(64)"`
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FilePrimary bool
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FileMissing bool
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FileDuplicate bool
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FilePortrait bool
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FileWidth int
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FileHeight int
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FileOrientation int
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FileAspectRatio float64
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FileMainColor string `gorm:"type:varchar(32);index;"`
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FileColors string
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FileLuminance string
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FileChroma uint
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FileNotes string `gorm:"type:text"`
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}
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func FindFileByHash(db *gorm.DB, fileHash string) (File, error) {
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var file File
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q := db.Unscoped().First(&file, "file_hash = ?", fileHash)
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return file, q.Error
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}
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func (m *File) BeforeCreate(scope *gorm.Scope) error {
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return scope.SetColumn("FileUUID", uuid.NewV4().String())
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}
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func (m *File) DownloadFileName() string {
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if m.Photo == nil {
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return fmt.Sprintf("%s.%s", m.FileHash, m.FileType)
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}
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var name string
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if m.Photo.PhotoTitle != "" {
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name = strings.Title(slug.MakeLang(m.Photo.PhotoTitle, "en"))
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} else {
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name = m.PhotoUUID
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}
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taken := m.Photo.TakenAt.Format("20060102-150405")
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result := fmt.Sprintf("%s-%s.%s", taken, name, m.FileType)
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return result
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}
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