126 lines
3.6 KiB
Go
126 lines
3.6 KiB
Go
package entity
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import (
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"github.com/jinzhu/gorm"
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"github.com/photoprism/photoprism/internal/event"
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"github.com/photoprism/photoprism/internal/maps"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// altCountryNames defines mapping between different names for the same country
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var altCountryNames = map[string]string{
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"United States of America": "USA",
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"United States": "USA",
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"": "Unknown",
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}
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// Countries represents a list of countries.
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type Countries []Country
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// Country represents a country location, used for labeling photos.
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type Country struct {
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ID string `gorm:"type:VARBINARY(2);primary_key" json:"ID" yaml:"ID"`
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CountrySlug string `gorm:"type:VARBINARY(160);unique_index;" json:"Slug" yaml:"-"`
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CountryName string `gorm:"type:VARCHAR(160);" json:"Name" yaml:"Name,omitempty"`
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CountryDescription string `gorm:"type:VARCHAR(2048);" json:"Description,omitempty" yaml:"Description,omitempty"`
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CountryNotes string `gorm:"type:VARCHAR(1024);" json:"Notes,omitempty" yaml:"Notes,omitempty"`
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CountryPhoto *Photo `json:"-" yaml:"-"`
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CountryPhotoID uint `json:"-" yaml:"-"`
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New bool `gorm:"-" json:"-" yaml:"-"`
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}
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// TableName returns the entity database table name.
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func (Country) TableName() string {
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return "countries"
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}
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// UnknownCountry is defined here to use it as a default
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var UnknownCountry = Country{
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ID: UnknownID,
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CountryName: maps.CountryNames[UnknownID],
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CountrySlug: UnknownID,
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}
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// CreateUnknownCountry is used to initialize the database with the default country
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func CreateUnknownCountry() {
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UnknownCountry = *FirstOrCreateCountry(&UnknownCountry)
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}
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// NewCountry creates a new country, with default country code if not provided
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func NewCountry(countryCode string, countryName string) *Country {
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if countryCode == "" {
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return &UnknownCountry
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}
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if altName, ok := altCountryNames[countryName]; ok {
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countryName = altName
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}
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result := &Country{
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ID: countryCode,
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CountryName: txt.Clip(countryName, txt.ClipName),
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CountrySlug: txt.Slug(countryName),
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}
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return result
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}
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// Create inserts a new row to the database.
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func (m *Country) Create() error {
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return Db().Create(m).Error
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}
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// FirstOrCreateCountry returns the existing row, inserts a new row or nil in case of errors.
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func FirstOrCreateCountry(m *Country) *Country {
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if cacheData, ok := countryCache.Get(m.ID); ok {
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log.Tracef("country: cache hit for %s", m.ID)
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return cacheData.(*Country)
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}
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result := Country{}
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if findErr := Db().Where("id = ?", m.ID).First(&result).Error; findErr == nil {
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countryCache.SetDefault(m.ID, &result)
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return &result
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} else if createErr := m.Create(); createErr == nil {
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if !m.Unknown() {
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event.EntitiesCreated("countries", []*Country{m})
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event.Publish("count.countries", event.Data{
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"count": 1,
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})
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}
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countryCache.SetDefault(m.ID, m)
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return m
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} else if err := Db().Where("id = ?", m.ID).First(&result).Error; err == nil {
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countryCache.SetDefault(m.ID, &result)
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return &result
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} else {
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log.Errorf("country: %s (find or create %s)", createErr, m.ID)
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}
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return &UnknownCountry
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}
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// AfterCreate sets the New column used for database callback
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func (m *Country) AfterCreate(scope *gorm.Scope) error {
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m.New = true
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return nil
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}
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// Code returns country code
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func (m *Country) Code() string {
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return m.ID
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}
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// Name returns country name
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func (m *Country) Name() string {
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return m.CountryName
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}
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// Unknown returns true if the country is not a known country.
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func (m *Country) Unknown() bool {
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return m.ID == "" || m.ID == UnknownCountry.ID
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}
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