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package app
import (
"errors"
"html/template"
"log"
"net/http"
"github.com/gorilla/mux"
"github.com/wybiral/tube/pkg/media"
)
type App struct {
Library *media.Library
Playlist media.Playlist
Templates *template.Template
Router *mux.Router
}
func NewApp() (*App, error) {
a := &App{}
lib := media.NewLibrary()
err := lib.Import("./videos")
if err != nil {
return nil, err
}
a.Library = lib
pl := lib.Playlist()
if len(pl) == 0 {
return nil, errors.New("No valid videos found")
}
a.Playlist = pl
a.Templates = template.Must(template.ParseGlob("templates/*"))
r := mux.NewRouter().StrictSlash(true)
r.HandleFunc("/", a.indexHandler).Methods("GET")
r.HandleFunc("/v/{id}.mp4", a.videoHandler).Methods("GET")
r.HandleFunc("/t/{id}", a.thumbHandler).Methods("GET")
r.HandleFunc("/{id}", a.pageHandler).Methods("GET")
fsHandler := http.StripPrefix(
"/static/",
http.FileServer(http.Dir("./static/")),
)
r.PathPrefix("/static/").Handler(fsHandler).Methods("GET")
a.Router = r
return a, nil
}
func (a *App) Run(addr string) error {
return http.ListenAndServe(addr, a.Router)
}
func (a *App) indexHandler(w http.ResponseWriter, r *http.Request) {
log.Printf("/")
http.Redirect(w, r, "/"+a.Playlist[0].ID, 302)
}
func (a *App) pageHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
log.Printf("/%s", id)
playing, ok := a.Library.Videos[id]
if !ok {
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
a.Templates.ExecuteTemplate(w, "index.html", &struct {
Playing *media.Video
Playlist media.Playlist
}{
Playing: playing,
Playlist: a.Playlist,
})
}
func (a *App) videoHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
log.Printf("/v/%s", id)
m, ok := a.Library.Videos[id]
if !ok {
return
}
title := m.Title
disposition := "attachment; filename=\"" + title + ".mp4\""
w.Header().Set("Content-Disposition", disposition)
w.Header().Set("Content-Type", "video/mp4")
http.ServeFile(w, r, "./videos/"+id+".mp4")
}
func (a *App) thumbHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
log.Printf("/t/%s", id)
m, ok := a.Library.Videos[id]
if !ok {
return
}
w.Header().Set("Cache-Control", "public, max-age=7776000")
if m.ThumbType == "" {
w.Header().Set("Content-Type", "image/jpeg")
http.ServeFile(w, r, "static/defaulticon.jpg")
} else {
w.Header().Set("Content-Type", m.ThumbType)
w.Write(m.Thumb)
}
}
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