124 lines
2.4 KiB
Go
124 lines
2.4 KiB
Go
package photosapi
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import (
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"context"
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"errors"
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"math/rand"
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"net/http"
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"os"
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"os/signal"
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"time"
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"github.com/gin-gonic/gin"
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photosstore "gitlab.celogeek.com/photos/api/internal/photos/store"
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"gorm.io/gorm"
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)
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var (
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ErrReqNotFound = errors.New("this route doesn't exists")
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ErrStorePathNotADirectory = errors.New("store path is not a directory")
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)
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type Service struct {
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Gin *gin.Engine
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DB *gorm.DB
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Config *ServiceConfig
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Store *photosstore.Store
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StorageTmp *Storage
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StorageUpload *Storage
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LogOk *Logger
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LogErr *Logger
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}
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type ServiceConfig struct {
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Listen string
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DB *DBConfig
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StorePath string
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}
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func New(config *ServiceConfig) *Service {
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return &Service{
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Gin: gin.New(),
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Config: config,
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Store: &photosstore.Store{Path: config.StorePath},
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StorageTmp: NewStorage(config.StorePath, "tmp"),
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StorageUpload: NewStorage(config.StorePath, "upload"),
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LogOk: &Logger{os.Stdout, "Photos"},
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LogErr: &Logger{os.Stderr, "Photos"},
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}
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}
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func (s *Service) SetupRoutes() {
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s.Gin.Use(
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gin.Logger(),
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s.Recovery,
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s.DefaultJSON,
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s.HandleError,
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)
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s.AccountInit()
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s.MeInit()
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s.FileInit()
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s.UploadInit()
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s.Gin.NoRoute(func(c *gin.Context) {
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c.AbortWithError(http.StatusNotFound, ErrReqNotFound)
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})
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}
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func (s *Service) PrepareStore() {
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d, err := os.Stat(s.Store.Path)
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if err != nil {
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s.LogErr.Fatal("Store", err)
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}
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if !d.IsDir() {
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s.LogErr.Fatal("Store", ErrStorePathNotADirectory)
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}
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}
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func (s *Service) Run() error {
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rand.Seed(time.Now().UnixNano())
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s.PrepareStore()
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s.SetupRoutes()
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s.SetupDB()
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go s.SessionCleaner()
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srv := &http.Server{
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Addr: s.Config.Listen,
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Handler: s.Gin,
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}
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quit := make(chan os.Signal, 1)
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var runError error
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go func() {
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// service connections
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if runError = srv.ListenAndServe(); runError != nil {
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quit <- os.Interrupt
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}
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}()
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// Wait for interrupt signal to gracefully shutdown the server with
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// a timeout of 5 seconds.
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signal.Notify(quit, os.Interrupt)
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<-quit
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s.LogOk.Print("Exit", "shutdown ...")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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return err
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}
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db, err := s.DB.DB()
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if err != nil {
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return err
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}
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s.LogOk.Print("Exit", "closing database ...")
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if err := db.Close(); err != nil {
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return err
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}
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s.LogOk.Print("Exit", "exiting")
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return runError
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}
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