Re-Implemente subcmd on github.com/urfave/cli/v2

.github/workflows/build_pages.yml

@@ -24,7 +24,7 @@ jobs:
       - name: 'Generate htdocs'
         run: |
           cd generator
-          BASEURL=/slacklog go run . generate-html scripts/config.json templates/ ../data/files ../data/slacklog_data/ ../data/
+          BASEURL=/slacklog go run . generate-html --filesdir ../data/files --indir ../data/slacklog_data/ --outdir ../data/
           cp -r assets ../data
           rm -fr ../data/slacklog_data/ ../data/.github/
           touch ../data/.nojekyll

go.mod

@@ -7,6 +7,6 @@ require (
 	github.com/google/go-cmp v0.4.0
 	github.com/joho/godotenv v1.3.0
 	github.com/kyokomi/emoji v2.2.2+incompatible
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/slack-go/slack v0.6.4
+	github.com/urfave/cli/v2 v2.2.0
 )

go.sum

@@ -1,3 +1,5 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-test/deep v1.0.4 h1:u2CU3YKy9I2pmu9pX0eq50wCgjfGIt539SqR7FbHiho=
@@ -14,9 +16,15 @@ github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/slack-go/slack v0.6.4 h1:cxOqFgM5RW6mdEyDqAJutFk3qiORK9oHRKi5bPqkY9o=
 github.com/slack-go/slack v0.6.4/go.mod h1:sGRjv3w+ERAUMMMbldHObQPBcNSyVB7KLKYfnwUFBfw=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/urfave/cli/v2 v2.2.0 h1:JTTnM6wKzdA0Jqodd966MVj4vWbbquZykeX1sKbe2C4=
+github.com/urfave/cli/v2 v2.2.0/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

scripts/download_emoji.sh

@@ -9,4 +9,4 @@ if  [ ! -d _logdata/slacklog_data/ ] ; then
   exit 1
 fi
 
-go run . download-emoji _logdata/emojis/ _logdata/slacklog_data/emoji.json
+go run . download-emoji

scripts/download_files.sh

@@ -9,4 +9,4 @@ if  [ ! -d _logdata/slacklog_data/ ] ; then
   exit 1
 fi
 
-go run . download-files _logdata/slacklog_data/ _logdata/files/
+go run . download-files

scripts/generate_html.sh

@@ -9,4 +9,4 @@ if [ ! -d _logdata/slacklog_data/ ] ; then
   exit 1
 fi
 
-go run . generate-html scripts/config.json templates/ files/ _logdata/slacklog_data/ _site/
+go run . generate-html

scripts/site_diff.sh

@@ -51,7 +51,7 @@ generate_site() {
   if [ -d _logdata ] ; then
     filesdir=_logdata/files/
   fi
-  ${cmd} generate-html scripts/config.json ${tmpldir} ${filesdir} ${logdir} ${outdir}/ > ${outdir}.generate-html.log 2>&1 || ( cat ${outdir}.generate-html.log && exit 1 )
+  ${cmd} generate-html --templatedir ${tmpldir} --filesdir ${filesdir} --indir ${logdir} --outdir ${outdir}/ > ${outdir}.generate-html.log 2>&1 || ( cat ${outdir}.generate-html.log && exit 1 )
   rm -f ${cmd}
   ./scripts/build.sh -o $outdir > ${outdir}.build.log 2>&1 || ( cat ${outdir}.build.log && exit 1 )
 }

subcmd/convert_exported_logs.go

@@ -14,19 +14,28 @@ import (
 	"os"
 	"path/filepath"
 
+	cli "github.com/urfave/cli/v2"
 	"github.com/vim-jp/slacklog-generator/internal/slacklog"
 )
 
+var ConvertExportedLogsFlags = []cli.Flag {
+	&cli.StringFlag{
+		Name: "indir",
+		Usage: "exported log dir",
+		Value: "_old_logs",
+	},
+	&cli.StringFlag{
+		Name: "outdir",
+		Usage: "slacklog_data dir",
+		Value: filepath.Join("_logdata", "slacklog_data"),
+	},
+}
+
 // ConvertExportedLogs converts log which exported from Slack, to generator can
 // treated.
-func ConvertExportedLogs(args []string) error {
-	if len(args) < 2 {
-		fmt.Println("Usage: go run . convert_exported_logs {indir} {outdir}")
-		return nil
-	}
-
-	inDir := filepath.Clean(args[0])
-	outDir := filepath.Clean(args[1])
+func ConvertExportedLogs(c *cli.Context) error {
+	inDir := filepath.Clean(c.String("indir"))
+	outDir := filepath.Clean(c.String("outdir"))
 	inChannelsFile := filepath.Join(inDir, "channels.json")
 
 	channels, _, err := readChannels(inChannelsFile, []string{"*"})

subcmd/download_emoji.go

@@ -15,26 +15,32 @@ import (
 	"strings"
 
 	"github.com/slack-go/slack"
+	cli "github.com/urfave/cli/v2"
 	"github.com/vim-jp/slacklog-generator/internal/slacklog"
 )
 
+var EmojisFlags = []cli.Flag{
+	&cli.StringFlag{
+		Name: "outdir",
+		Usage: "emojis download target dir",
+		Value: filepath.Join("_logdata", "emojis"),
+	},
+	&cli.StringFlag{
+		Name: "emojiJSON",
+		Usage: "emoji json path",
+		Value: filepath.Join("_logdata", "emojis", "emoji.json"),
+	},
+}
+
 // DownloadEmoji downloads and save emoji image files.
-func DownloadEmoji(args []string) error {
+func DownloadEmoji(c *cli.Context) error {
 	slackToken := os.Getenv("SLACK_TOKEN")
 	if slackToken == "" {
 		return fmt.Errorf("$SLACK_TOKEN required")
 	}
 
-	if len(args) < 1 {
-		fmt.Println("Usage: go run . download_emoji {emojis-dir}")
-		return nil
-	}
-
-	emojisDir := filepath.Clean(args[0])
-	emojiJSONPath := filepath.Join(emojisDir, "emoji.json")
-	if 1 < len(args) {
-		emojiJSONPath = filepath.Clean(args[1])
-	}
+	emojisDir := filepath.Clean(c.String("outdir"))
+	emojiJSONPath := filepath.Clean(c.String("emojiJSON"))
 
 	api := slack.New(slackToken)
 

subcmd/download_files.go

@@ -12,23 +12,32 @@ import (
 	"os"
 	"path/filepath"
 
+	cli "github.com/urfave/cli/v2"
 	"github.com/vim-jp/slacklog-generator/internal/slacklog"
 )
 
+var FilesFlags = []cli.Flag{
+	&cli.StringFlag{
+		Name: "indir",
+		Usage: "slacklog_data dir",
+		Value: filepath.Join("_logdata", "slacklog_data"),
+	},
+	&cli.StringFlag{
+		Name: "outdir",
+		Usage: "files download target dir",
+		Value: filepath.Join("_logdata", "files"),
+	},
+}
+
 // DownloadFiles downloads and saves files which attached to message.
-func DownloadFiles(args []string) error {
+func DownloadFiles(c *cli.Context) error {
 	slackToken := os.Getenv("SLACK_TOKEN")
 	if slackToken == "" {
 		return fmt.Errorf("$SLACK_TOKEN required")
 	}
 
-	if len(args) < 2 {
-		fmt.Println("Usage: go run . download_files {log-dir} {files-dir}")
-		return nil
-	}
-
-	logDir := filepath.Clean(args[0])
-	filesDir := filepath.Clean(args[1])
+	logDir := filepath.Clean(c.String("indir"))
+	filesDir := filepath.Clean(c.String("outdir"))
 
 	s, err := slacklog.NewLogStore(logDir, &slacklog.Config{Channels: []string{"*"}})
 	if err != nil {

subcmd/generate_html.go

@@ -4,20 +4,45 @@ import (
 	"fmt"
 	"path/filepath"
 
+	cli "github.com/urfave/cli/v2"
 	"github.com/vim-jp/slacklog-generator/internal/slacklog"
 )
 
+var GenerateHTMLFlags =  []cli.Flag{
+	&cli.StringFlag{
+		Name: "config",
+		Usage: "config.json path",
+		Value: filepath.Join("scripts", "config.json"),
+	},
+	&cli.StringFlag{
+		Name: "templatedir",
+		Usage: "templates dir",
+		Value: "templates",
+	},
+	&cli.StringFlag{
+		Name: "filesdir",
+		Usage: "files downloaded dir",
+		Value: filepath.Join("_logdata", "files"),
+	},
+	&cli.StringFlag{
+		Name: "indir",
+		Usage: "slacklog_data dir",
+		Value: filepath.Join("_logdata", "slacklog_data"),
+	},
+	&cli.StringFlag{
+		Name: "outdir",
+		Usage: "generated html target dir",
+		Value: "_site",
+	},
+}
+
 // GenerateHTML : SlackからエクスポートしたデータをHTMLに変換して出力する。
-func GenerateHTML(args []string) error {
-	if len(args) < 4 {
-		fmt.Println("Usage: go run . generate_html {config.json} {templatedir} {filesdir} {indir} {outdir}")
-		return nil
-	}
-	configJSONPath := filepath.Clean(args[0])
-	templateDir := filepath.Clean(args[1])
-	filesDir := filepath.Clean(args[2])
-	inDir := filepath.Clean(args[3])
-	outDir := filepath.Clean(args[4])
+func GenerateHTML(c *cli.Context) error {
+	configJSONPath := filepath.Clean(c.String("config"))
+	templateDir := filepath.Clean(c.String("templatedir"))
+	filesDir := filepath.Clean(c.String("filesdir"))
+	inDir := filepath.Clean(c.String("indir"))
+	outDir := filepath.Clean(c.String("outdir"))
 
 	cfg, err := slacklog.ReadConfig(configJSONPath)
 	if err != nil {

subcmd/serve/serve.go

@@ -1,12 +1,31 @@
 package serve
 
 import (
-	"flag"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+
+	cli "github.com/urfave/cli/v2"
 )
 
+var Flags = []cli.Flag{
+	&cli.StringFlag{
+		Name: "addr",
+		Usage: "address for serve",
+		Value: ":8081",
+	},
+	&cli.StringFlag{
+		Name: "htdocs",
+		Usage: "root of files",
+		Value: "_site",
+	},
+	&cli.StringFlag{
+		Name: "target",
+		Usage: "proxy target endpoint",
+		Value: "https://vim-jp.org/slacklog/",
+	},
+}
+
 func newReverseProxy(targetURL string) (*httputil.ReverseProxy, error) {
 	u, err := url.Parse(targetURL)
 	if err != nil {
@@ -23,20 +42,10 @@ func newReverseProxy(targetURL string) (*httputil.ReverseProxy, error) {
 
 // Run starts combined HTTP server (file + reverse proxy) to serve slacklog for
 // development.
-func Run(args []string) error {
-	var (
-		addr   string
-		htdocs string
-		target string
-	)
-	fs := flag.NewFlagSet("serve", flag.ExitOnError)
-	fs.StringVar(&addr, "addr", ":8001", "address for serve")
-	fs.StringVar(&htdocs, "htdocs", "_site", "root of files")
-	fs.StringVar(&target, "target", "https://vim-jp.org/slacklog/", "proxy target endpoint")
-	err := fs.Parse(args)
-	if err != nil {
-		return err
-	}
+func Run(c *cli.Context) error {
+	addr := c.String("addr")
+	htdocs := c.String("htdocs")
+	target := c.String("target")
 
 	proxy, err := newReverseProxy(target)
 	if err != nil {

subcmd/subcmd.go

@@ -4,36 +4,52 @@ import (
 	"fmt"
 	"os"
 
+	cli "github.com/urfave/cli/v2"
 	"github.com/vim-jp/slacklog-generator/subcmd/serve"
 )
 
+var commands = []*cli.Command{
+	{
+		Name: "convert-exported-logs",
+		Usage: "convert slack exported logs to API download logs",
+		Action: ConvertExportedLogs,
+		Flags: ConvertExportedLogsFlags,
+	},
+	{
+		Name: "download-emoji",
+		Usage: "download customized emoji from slack",
+		Action: DownloadEmoji,
+		Flags: EmojisFlags,
+	},
+	{
+		Name: "download-files",
+		Usage: "download files from slack.com",
+		Action: DownloadFiles,
+		Flags: FilesFlags,
+	},
+	{
+		Name: "generate-html",
+		Usage: "generate html from slacklog_data",
+		Action: GenerateHTML,
+		Flags: GenerateHTMLFlags,
+	},
+	{
+		Name: "serve",
+		Usage: "serve a generated HTML with files proxy",
+		Action: serve.Run,
+		Flags: serve.Flags,
+	},
+}
+
 // Run runs one of sub-commands.
 func Run() error {
 	fmt.Println(os.Args)
-	if len(os.Args) < 2 {
-		fmt.Println(`Usage: go run . {subcmd}
-  Subcmd:
-    convert-exported-logs
-    download-emoji
-    download-files
-    generate-html`)
-		return nil
-	}
-
-	args := os.Args[2:]
-	subCmdName := os.Args[1]
-	switch subCmdName {
-	case "convert-exported-logs":
-		return ConvertExportedLogs(args)
-	case "download-emoji":
-		return DownloadEmoji(args)
-	case "download-files":
-		return DownloadFiles(args)
-	case "generate-html":
-		return GenerateHTML(args)
-	case "serve":
-		return serve.Run(args)
-	}
+	app := cli.NewApp()
+	app.EnableBashCompletion = true
+	app.Name = "slacklog-generator"
+	app.Usage = "generate slacklog HTML"
+	app.Version = "0.0.0"
+	app.Commands = commands
 
-	return fmt.Errorf("unknown subcmd: %s", subCmdName)
+	return app.Run(os.Args)
 }