photoprism/internal/entity/folder.go

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package entity
import (
"os"
"path"
"strings"
"sync"
"time"
"github.com/jinzhu/gorm"
"github.com/ulule/deepcopier"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/pkg/clean"
"github.com/photoprism/photoprism/pkg/rnd"
"github.com/photoprism/photoprism/pkg/sortby"
"github.com/photoprism/photoprism/pkg/txt"
)
var folderMutex = sync.Mutex{}
type Folders []Folder
// Folder represents a file system directory.
type Folder struct {
Path string `gorm:"type:VARBINARY(1024);unique_index:idx_folders_path_root;" json:"Path" yaml:"Path"`
Root string `gorm:"type:VARBINARY(16);default:'';unique_index:idx_folders_path_root;" json:"Root" yaml:"Root,omitempty"`
FolderUID string `gorm:"type:VARBINARY(42);primary_key;" json:"UID,omitempty" yaml:"UID,omitempty"`
FolderType string `gorm:"type:VARBINARY(16);" json:"Type" yaml:"Type,omitempty"`
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FolderTitle string `gorm:"type:VARCHAR(200);" json:"Title" yaml:"Title,omitempty"`
FolderCategory string `gorm:"type:VARCHAR(100);index;" json:"Category" yaml:"Category,omitempty"`
FolderDescription string `gorm:"type:VARCHAR(2048);" json:"Description,omitempty" yaml:"Description,omitempty"`
FolderOrder string `gorm:"type:VARBINARY(32);" json:"Order" yaml:"Order,omitempty"`
FolderCountry string `gorm:"type:VARBINARY(2);index:idx_folders_country_year_month;default:'zz'" json:"Country" yaml:"Country,omitempty"`
FolderYear int `gorm:"index:idx_folders_country_year_month;" json:"Year" yaml:"Year,omitempty"`
FolderMonth int `gorm:"index:idx_folders_country_year_month;" json:"Month" yaml:"Month,omitempty"`
FolderDay int `json:"Day" yaml:"Day,omitempty"`
FolderFavorite bool `json:"Favorite" yaml:"Favorite,omitempty"`
FolderPrivate bool `json:"Private" yaml:"Private,omitempty"`
FolderIgnore bool `json:"Ignore" yaml:"Ignore,omitempty"`
FolderWatch bool `json:"Watch" yaml:"Watch,omitempty"`
FileCount int `gorm:"-" json:"FileCount" yaml:"-"`
CreatedAt time.Time `json:"-" yaml:"-"`
UpdatedAt time.Time `json:"-" yaml:"-"`
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ModifiedAt time.Time `json:"ModifiedAt,omitempty" yaml:"-"`
PublishedAt *time.Time `sql:"index" json:"PublishedAt,omitempty" yaml:"PublishedAt,omitempty"`
DeletedAt *time.Time `sql:"index" json:"-"`
}
// TableName returns the entity table name.
func (Folder) TableName() string {
return "folders"
}
// BeforeCreate creates a random UID if needed before inserting a new row to the database.
func (m *Folder) BeforeCreate(scope *gorm.Scope) error {
if rnd.IsUnique(m.FolderUID, 'd') {
return nil
}
return scope.SetColumn("FolderUID", rnd.GenerateUID('d'))
}
// NewFolder creates a new file system directory entity.
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func NewFolder(root, pathName string, modTime time.Time) Folder {
now := TimeStamp()
pathName = strings.Trim(pathName, string(os.PathSeparator))
if pathName == RootPath {
pathName = ""
}
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year := 0
month := 0
if !modTime.IsZero() {
year = modTime.Year()
month = int(modTime.Month())
}
result := Folder{
FolderUID: rnd.GenerateUID('d'),
Root: root,
Path: pathName,
FolderType: MediaUnknown,
FolderOrder: sortby.Name,
FolderCountry: UnknownCountry.ID,
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FolderYear: year,
FolderMonth: month,
ModifiedAt: modTime.UTC(),
CreatedAt: now,
UpdatedAt: now,
}
result.SetValuesFromPath()
return result
}
// SetValuesFromPath updates the title and other values based on the path name.
func (m *Folder) SetValuesFromPath() {
s := m.Path
s = strings.TrimSpace(s)
if s == "" || s == RootPath {
if m.Root == RootOriginals {
m.FolderTitle = "Originals"
return
} else {
s = m.Root
}
} else {
m.FolderCountry = txt.CountryCode(s)
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if year := txt.Year(s); year > 0 {
m.FolderYear = year
}
s = path.Base(s)
}
if len(m.Path) >= 6 {
if date := txt.DateFromFilePath(m.Path); !date.IsZero() {
if txt.IsUInt(s) || txt.IsTime(s) {
if date.Day() > 1 {
m.FolderTitle = date.Format("January 2, 2006")
} else {
m.FolderTitle = date.Format("January 2006")
}
}
m.FolderYear = date.Year()
m.FolderMonth = int(date.Month())
m.FolderDay = date.Day()
}
}
if m.FolderTitle == "" {
m.FolderTitle = txt.Clip(txt.Title(s), txt.ClipLongName)
}
}
// Slug returns a slug based on the folder title.
func (m *Folder) Slug() string {
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return txt.Slug(m.Path)
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}
// RootPath returns the full folder path including root.
func (m *Folder) RootPath() string {
return path.Join(m.Root, m.Path)
}
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// Title returns the human-readable folder title.
func (m *Folder) Title() string {
return m.FolderTitle
}
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// Create inserts the entity to the index.
func (m *Folder) Create() error {
folderMutex.Lock()
defer folderMutex.Unlock()
if err := Db().Create(m).Error; err != nil {
return err
} else if m.Root != RootOriginals || m.Path == "" {
return nil
}
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f := form.SearchPhotos{
Path: m.Path,
Public: true,
}
if a := FindFolderAlbum(m.Path); a != nil {
if a.DeletedAt != nil {
// Ignore.
} else if err := a.UpdateFolder(m.Path, f.Serialize()); err != nil {
log.Errorf("folder: %s (update album)", err.Error())
}
} else if a := NewFolderAlbum(m.Title(), m.Path, f.Serialize()); a != nil {
a.AlbumYear = m.FolderYear
a.AlbumMonth = m.FolderMonth
a.AlbumDay = m.FolderDay
a.AlbumCountry = m.FolderCountry
if err := a.Create(); err != nil {
log.Errorf("folder: %s (add album)", err)
} else {
log.Infof("folder: added album %s (%s)", clean.Log(a.AlbumTitle), a.AlbumFilter)
}
}
return nil
}
// FindFolder returns an existing row if exists.
func FindFolder(root, pathName string) *Folder {
pathName = strings.Trim(pathName, string(os.PathSeparator))
if pathName == RootPath {
pathName = ""
}
result := Folder{}
if err := Db().Where("path = ? AND root = ?", pathName, root).First(&result).Error; err == nil {
return &result
}
return nil
}
// FirstOrCreateFolder returns the existing row, inserts a new row or nil in case of errors.
func FirstOrCreateFolder(m *Folder) *Folder {
result := Folder{}
if err := Db().Where("path = ? AND root = ?", m.Path, m.Root).First(&result).Error; err == nil {
return &result
} else if createErr := m.Create(); createErr == nil {
return m
} else if err := Db().Where("path = ? AND root = ?", m.Path, m.Root).First(&result).Error; err == nil {
return &result
} else {
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log.Errorf("folder: %s (find or create %s)", createErr, m.Path)
}
return nil
}
// Updates selected properties in the database.
func (m *Folder) Updates(values interface{}) error {
return Db().Model(m).Updates(values).Error
}
// SetForm updates the entity properties based on form values.
func (m *Folder) SetForm(f form.Folder) error {
if err := deepcopier.Copy(m).From(f); err != nil {
return err
}
m.FolderTitle = txt.Clip(m.FolderTitle, txt.ClipLongName)
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m.FolderCategory = txt.Clip(m.FolderCategory, txt.ClipCategory)
return nil
}