photoprism/internal/context/config.go

483 lines
12 KiB
Go

package context
import (
"log"
"os"
"time"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"github.com/kylelemons/go-gypsy/yaml"
"github.com/photoprism/photoprism/internal/frontend"
"github.com/photoprism/photoprism/internal/fsutil"
"github.com/photoprism/photoprism/internal/models"
"github.com/photoprism/photoprism/internal/tidb"
"github.com/urfave/cli"
)
const (
DbTiDB = "tidb"
DbMySQL = "mysql"
)
// Config provides a struct in which application configuration is stored.
// Application code must use functions to get config values, for two reasons:
//
// 1. Some values are computed and we don't want to leak implementation details (aims at reducing refactoring overhead).
//
// 2. Paths might actually be dynamic later (if we build a multi-user version).
//
// See https://github.com/photoprism/photoprism/issues/50#issuecomment-433856358
type Config struct {
appName string
appVersion string
appCopyright string
debug bool
configFile string
sqlServerHost string
sqlServerPort uint
dbServerPath string
httpServerHost string
httpServerPort int
serverMode string
assetsPath string
cachePath string
originalsPath string
importPath string
exportPath string
darktableCli string
databaseDriver string
databaseDsn string
db *gorm.DB
}
// NewConfig() creates a new configuration entity by using two methods:
//
// 1. SetValuesFromFile: This will initialize values from a yaml config file.
//
// 2. SetValuesFromCliContext: Which comes after SetValuesFromFile and overrides
// any previous values giving an option two override file configs through the CLI.
func NewConfig(ctx *cli.Context) *Config {
c := &Config{}
c.appName = ctx.App.Name
c.appCopyright = ctx.App.Copyright
c.appVersion = ctx.App.Version
c.SetValuesFromFile(fsutil.ExpandedFilename(ctx.GlobalString("config-file")))
c.SetValuesFromCliContext(ctx)
return c
}
// SetValuesFromFile uses a yaml config file to initiate the configuration entity.
func (c *Config) SetValuesFromFile(fileName string) error {
yamlConfig, err := yaml.ReadFile(fileName)
if err != nil {
return err
}
c.configFile = fileName
if debug, err := yamlConfig.GetBool("debug"); err == nil {
c.debug = debug
}
if sqlServerHost, err := yamlConfig.Get("sql-host"); err == nil {
c.sqlServerHost = sqlServerHost
}
if sqlServerPort, err := yamlConfig.GetInt("sql-port"); err == nil {
c.sqlServerPort = uint(sqlServerPort)
}
if dbServerPath, err := yamlConfig.Get("db-path"); err == nil {
c.dbServerPath = dbServerPath
}
if httpServerHost, err := yamlConfig.Get("http-host"); err == nil {
c.httpServerHost = httpServerHost
}
if httpServerPort, err := yamlConfig.GetInt("http-port"); err == nil {
c.httpServerPort = int(httpServerPort)
}
if serverMode, err := yamlConfig.Get("http-mode"); err == nil {
c.serverMode = serverMode
}
if assetsPath, err := yamlConfig.Get("assets-path"); err == nil {
c.assetsPath = fsutil.ExpandedFilename(assetsPath)
}
if cachePath, err := yamlConfig.Get("cache-path"); err == nil {
c.cachePath = fsutil.ExpandedFilename(cachePath)
}
if originalsPath, err := yamlConfig.Get("originals-path"); err == nil {
c.originalsPath = fsutil.ExpandedFilename(originalsPath)
}
if importPath, err := yamlConfig.Get("import-path"); err == nil {
c.importPath = fsutil.ExpandedFilename(importPath)
}
if exportPath, err := yamlConfig.Get("export-path"); err == nil {
c.exportPath = fsutil.ExpandedFilename(exportPath)
}
if darktableCli, err := yamlConfig.Get("darktable-cli"); err == nil {
c.darktableCli = fsutil.ExpandedFilename(darktableCli)
}
if databaseDriver, err := yamlConfig.Get("database-driver"); err == nil {
c.databaseDriver = databaseDriver
}
if databaseDsn, err := yamlConfig.Get("database-dsn"); err == nil {
c.databaseDsn = databaseDsn
}
return nil
}
// SetValuesFromCliContext uses values from the CLI to setup configuration overrides
// for the entity.
func (c *Config) SetValuesFromCliContext(ctx *cli.Context) error {
if ctx.GlobalBool("debug") {
c.debug = ctx.GlobalBool("debug")
}
if ctx.GlobalIsSet("assets-path") || c.assetsPath == "" {
c.assetsPath = fsutil.ExpandedFilename(ctx.GlobalString("assets-path"))
}
if ctx.GlobalIsSet("cache-path") || c.cachePath == "" {
c.cachePath = fsutil.ExpandedFilename(ctx.GlobalString("cache-path"))
}
if ctx.GlobalIsSet("originals-path") || c.originalsPath == "" {
c.originalsPath = fsutil.ExpandedFilename(ctx.GlobalString("originals-path"))
}
if ctx.GlobalIsSet("import-path") || c.importPath == "" {
c.importPath = fsutil.ExpandedFilename(ctx.GlobalString("import-path"))
}
if ctx.GlobalIsSet("export-path") || c.exportPath == "" {
c.exportPath = fsutil.ExpandedFilename(ctx.GlobalString("export-path"))
}
if ctx.GlobalIsSet("darktable-cli") || c.darktableCli == "" {
c.darktableCli = fsutil.ExpandedFilename(ctx.GlobalString("darktable-cli"))
}
if ctx.GlobalIsSet("database-driver") || c.databaseDriver == "" {
c.databaseDriver = ctx.GlobalString("database-driver")
}
if ctx.GlobalIsSet("database-dsn") || c.databaseDsn == "" {
c.databaseDsn = ctx.GlobalString("database-dsn")
}
if ctx.IsSet("sql-host") || c.sqlServerHost == "" {
c.sqlServerHost = ctx.String("sql-host")
}
if ctx.IsSet("sql-port") || c.sqlServerPort == 0 {
c.sqlServerPort = ctx.Uint("sql-port")
}
if ctx.IsSet("db-path") || c.dbServerPath == "" {
c.dbServerPath = ctx.String("db-path")
}
if ctx.IsSet("http-host") || c.httpServerHost == "" {
c.httpServerHost = ctx.String("http-host")
}
if ctx.IsSet("http-port") || c.httpServerPort == 0 {
c.httpServerPort = ctx.Int("http-port")
}
if ctx.IsSet("http-mode") || c.serverMode == "" {
c.serverMode = ctx.String("http-mode")
}
return nil
}
// CreateDirectories creates all the folders that photoprism needs. These are:
// originalsPath
// ThumbnailsPath
// importPath
// exportPath
func (c *Config) CreateDirectories() error {
if err := os.MkdirAll(c.OriginalsPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.ImportPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.ExportPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.ThumbnailsPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.SqlServerPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.TensorFlowModelPath(), os.ModePerm); err != nil {
return err
}
if err := os.MkdirAll(c.GetPublicBuildPath(), os.ModePerm); err != nil {
return err
}
return nil
}
// connectToDatabase establishes a database connection.
// When used with the tidb driver, it may create a new database server instance.
// It tries to do this 12 times with a 5 second sleep interval in between.
func (c *Config) connectToDatabase() error {
dbDriver := c.DatabaseDriver()
dbDsn := c.DatabaseDsn()
isTiDB := false
initSuccess := false
if dbDriver == DbTiDB {
isTiDB = true
dbDriver = DbMySQL
}
db, err := gorm.Open(dbDriver, dbDsn)
if err != nil || db == nil {
if isTiDB {
go tidb.Start(c.SqlServerPath(), 4000, "", c.Debug())
}
for i := 1; i <= 12; i++ {
time.Sleep(5 * time.Second)
db, err = gorm.Open(dbDriver, dbDsn)
if db != nil && err == nil {
break
}
if isTiDB && !initSuccess {
err = tidb.InitDatabase(4000)
if err != nil {
log.Println(err)
} else {
initSuccess = true
}
}
}
if err != nil || db == nil {
log.Fatal(err)
}
}
c.db = db
return err
}
// AppName returns the application name.
func (c *Config) AppName() string {
return c.appName
}
// AppVersion returns the application version.
func (c *Config) AppVersion() string {
return c.appVersion
}
// AppCopyright returns the application copyright.
func (c *Config) AppCopyright() string {
return c.appCopyright
}
// Debug returns true if debug mode is on.
func (c *Config) Debug() bool {
return c.debug
}
// ConfigFile returns the config file name.
func (c *Config) ConfigFile() string {
return c.configFile
}
// SqlServerHost returns the built-in SQL server host name or IP address (empty for all interfaces).
func (c *Config) SqlServerHost() string {
return c.sqlServerHost
}
// SqlServerPort returns the built-in SQL server port.
func (c *Config) SqlServerPort() uint {
return c.sqlServerPort
}
// HttpServerHost returns the built-in HTTP server host name or IP address (empty for all interfaces).
func (c *Config) HttpServerHost() string {
return c.httpServerHost
}
// HttpServerPort returns the built-in HTTP server port.
func (c *Config) HttpServerPort() int {
return c.httpServerPort
}
// HttpServerMode returns the server mode.
func (c *Config) HttpServerMode() string {
return c.serverMode
}
// OriginalsPath returns the originals.
func (c *Config) OriginalsPath() string {
return c.originalsPath
}
// ImportPath returns the import directory.
func (c *Config) ImportPath() string {
return c.importPath
}
// ExportPath returns the export directory.
func (c *Config) ExportPath() string {
return c.exportPath
}
// DarktableCli returns the darktable-cli binary file name.
func (c *Config) DarktableCli() string {
return c.darktableCli
}
// DatabaseDriver returns the database driver name.
func (c *Config) DatabaseDriver() string {
return c.databaseDriver
}
// DatabaseDsn returns the database data source name (DSN).
func (c *Config) DatabaseDsn() string {
return c.databaseDsn
}
// CachePath returns the path to the cache.
func (c *Config) CachePath() string {
return c.cachePath
}
// ThumbnailsPath returns the path to the cached thumbnails.
func (c *Config) ThumbnailsPath() string {
return c.CachePath() + "/thumbnails"
}
// AssetsPath returns the path to the assets.
func (c *Config) AssetsPath() string {
return c.assetsPath
}
// TensorFlowModelPath returns the tensorflow model path.
func (c *Config) TensorFlowModelPath() string {
return c.AssetsPath() + "/tensorflow"
}
// SqlServerPath returns the database storage path (e.g. for SQLite or Bleve).
func (c *Config) SqlServerPath() string {
return c.AssetsPath() + "/database"
}
// ServerAssetsPath returns the server assets path (public files, favicons, templates,...).
func (c *Config) ServerAssetsPath() string {
return c.AssetsPath() + "/server"
}
// TemplatesPath returns the server templates path.
func (c *Config) TemplatesPath() string {
return c.ServerAssetsPath() + "/templates"
}
// GetFaviconsPath returns the favicons path.
func (c *Config) GetFaviconsPath() string {
return c.ServerAssetsPath() + "/favicons"
}
// GetPublicPath returns the public server path (//server/assets/*).
func (c *Config) GetPublicPath() string {
return c.ServerAssetsPath() + "/public"
}
// GetPublicBuildPath returns the public build path (//server/assets/build/*).
func (c *Config) GetPublicBuildPath() string {
return c.GetPublicPath() + "/build"
}
// Db returns the db connection.
func (c *Config) Db() *gorm.DB {
if c.db == nil {
c.connectToDatabase()
}
return c.db
}
// MigrateDb will start a migration process.
func (c *Config) MigrateDb() {
db := c.Db()
db.AutoMigrate(&models.File{},
&models.Photo{},
&models.Tag{},
&models.Album{},
&models.Location{},
&models.Camera{},
&models.Lens{},
&models.Country{})
}
// ClientConfig returns a loaded and set configuration entity.
func (c *Config) ClientConfig() frontend.Config {
db := c.Db()
var cameras []*models.Camera
type country struct {
LocCountry string
LocCountryCode string
}
var countries []country
db.Model(&models.Location{}).Select("DISTINCT loc_country_code, loc_country").Scan(&countries)
db.Where("deleted_at IS NULL").Limit(1000).Order("camera_model").Find(&cameras)
jsHash := fsutil.Hash(c.GetPublicBuildPath() + "/app.js")
cssHash := fsutil.Hash(c.GetPublicBuildPath() + "/app.css")
result := frontend.Config{
"appName": c.AppName(),
"appVersion": c.AppVersion(),
"debug": c.Debug(),
"cameras": cameras,
"countries": countries,
"jsHash": jsHash,
"cssHash": cssHash,
}
return result
}