cmd/streamdata: vod creation tool

This prompts the user for metadata and downloads the asset.

Signed-off-by: Yonah <contrib@gensokyo.uk>

cmd/streamdata/main.go

@@ -0,0 +1,139 @@
+package main
+
+import (
+	"bufio"
+	"context"
+	"errors"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"path"
+	"strings"
+	"syscall"
+	"time"
+	"unsafe"
+
+	"git.gensokyo.uk/yonah/streamdata"
+	"hakurei.app/command"
+)
+
+const programName = "streamdata"
+
+func main() {
+	log.SetFlags(0)
+	log.SetPrefix(programName + ": ")
+
+	var channel *streamdata.Channel
+	ctx, stop := signal.NotifyContext(context.Background(),
+		syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
+	defer stop()
+
+	var (
+		flagBase string
+	)
+	c := command.New(os.Stderr, log.Printf, programName, func([]string) (err error) {
+		if flagBase != "" {
+			channel, err = streamdata.Open(flagBase)
+		}
+		return
+	}).Flag(
+		&flagBase,
+		"d", command.StringFlag(""),
+		"Channel directory to open",
+	)
+
+	c.NewCommand(
+		"add",
+		"Add a VOD to the channel",
+		func(args []string) error {
+			if channel == nil {
+				return errors.New("add requires a channel selected")
+			}
+
+			if len(args) != 1 {
+				return errors.New("add requires 1 argument")
+			}
+
+			req, err := http.NewRequestWithContext(ctx, http.MethodGet, args[0], nil)
+			if err != nil {
+				return err
+			}
+
+			name := path.Base(req.URL.Path)
+			if !strings.HasSuffix(name, streamdata.ChannelVODSuffix) {
+				return errors.New("file name missing expected suffix")
+			}
+			name = name[:len(name)-len(streamdata.ChannelVODSuffix)]
+
+			var ident streamdata.Ident
+			if err = ident.UnmarshalText(
+				unsafe.Slice(unsafe.StringData(name), len(name)),
+			); err != nil {
+				return err
+			}
+
+			return channel.Add(&ident, func(
+				v *streamdata.VOD,
+				w io.Writer,
+			) (err error) {
+				defer toErr(&err)
+				isattyStd()
+				br := bufio.NewReader(os.Stdin)
+
+				v.Title = require(promptTrimNoEmpty(br, "Title: "))
+				v.Category = require(prompt(br, "Category: "))
+
+				now := time.Now()
+				year := require(promptUintFallbackBounds(
+					br, "Year: ",
+					1970, uint64(now.Year()),
+					uint64(now.Year()),
+				))
+
+				ubMonth := time.December
+				if year == uint64(now.Year()) {
+					ubMonth = now.Month()
+				}
+				month := require(promptUintFallbackBounds(
+					br, "Month: ",
+					uint64(time.January), uint64(ubMonth),
+					uint64(now.Month()),
+				))
+				day := require(promptUintFallbackBounds(
+					br, "Day:",
+					1, 31,
+					uint64(now.Day()),
+				))
+				v.Date = time.Date(
+					int(year), time.Month(month), int(day),
+					0, 0, 0, 0,
+					time.UTC,
+				)
+
+				var resp *http.Response
+				if resp, err = http.DefaultClient.Do(req); err != nil {
+					return
+				} else {
+					_, err = copyProgress(w, resp.Body, resp.ContentLength)
+					if closeErr := resp.Body.Close(); err == nil {
+						err = closeErr
+					}
+				}
+				return
+			})
+		},
+	)
+
+	c.MustParse(os.Args[1:], func(err error) {
+		if channel != nil {
+			if closeErr := channel.Close(); closeErr != nil {
+				log.Println(closeErr)
+			}
+		}
+		if err != nil {
+			log.Fatalln(err)
+		}
+	})
+}