Merge pull request #44 from writeas/T672-accounts

add accounts command

Resolves T672

cmd/wf/commands.go

@@ -2,10 +2,13 @@ package main
 
 import (
 	"fmt"
+	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
+	"text/tabwriter"
 
+	"github.com/hashicorp/go-multierror"
 	"github.com/writeas/writeas-cli/api"
 	"github.com/writeas/writeas-cli/commands"
 	"github.com/writeas/writeas-cli/config"
@@ -196,3 +199,78 @@ func cmdLogOut(c *cli.Context) error {
 
 	return nil
 }
+
+func cmdAccounts(c *cli.Context) error {
+	// get user config dir
+	userDir := config.UserDataDir(c.App.ExtraInfo()["configDir"])
+	// load defaults
+	cfg, err := config.LoadConfig(userDir)
+	if err != nil {
+		return cli.NewExitError("Could not load default user configuration", 1)
+	}
+	defaultUser := cfg.Default.User
+	defaultHost := cfg.Default.Host
+	if parts := strings.Split(defaultHost, "://"); len(parts) > 1 {
+		defaultHost = parts[1]
+	}
+	// get each host dir
+	files, err := ioutil.ReadDir(userDir)
+	if err != nil {
+		return cli.NewExitError("Could not read user configuration directory", 1)
+	}
+	// accounts will be a slice of slices of string. the first string in
+	// a subslice should always be the hostname
+	accounts := [][]string{}
+	for _, file := range files {
+		if file.IsDir() {
+			dirName := file.Name()
+			// get each user in host dir
+			users, err := usersFromDir(filepath.Join(userDir, dirName))
+			if err != nil {
+				log.Info(c, "Failed to get users from %s: %v", dirName, err)
+				continue
+			}
+			if len(users) != 0 {
+				// append the slice of users as a new slice in accounts w/ the host prepended
+				accounts = append(accounts, append([]string{dirName}, users...))
+			}
+		}
+	}
+
+	// print out all logged in accounts
+	tw := tabwriter.NewWriter(os.Stdout, 10, 2, 2, ' ', tabwriter.TabIndent)
+	if len(accounts) == 0 && (c.Bool("v") || c.Bool("verbose") || c.GlobalBool("v") || c.GlobalBool("verbose")) {
+		fmt.Fprintf(tw, "%s\t", "No authenticated accounts found.\n")
+	}
+	for _, userList := range accounts {
+		host := userList[0]
+		for _, username := range userList[1:] {
+			if host == defaultHost && username == defaultUser {
+				fmt.Fprintf(tw, "[%s]\t%s (default)\n", host, username)
+				continue
+			}
+			fmt.Fprintf(tw, "[%s]\t%s\n", host, username)
+		}
+	}
+	return tw.Flush()
+}
+
+func usersFromDir(path string) ([]string, error) {
+	users := make([]string, 0, 4)
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return nil, err
+	}
+	var errs error
+	for _, file := range files {
+		if file.IsDir() {
+			_, err := os.Stat(filepath.Join(path, file.Name(), "user.json"))
+			if err != nil {
+				err = multierror.Append(errs, err)
+				continue
+			}
+			users = append(users, file.Name())
+		}
+	}
+	return users, errs
+}

cmd/wf/main.go

@@ -207,6 +207,16 @@ func main() {
 				},
 			},
 		}, {
+			Name:   "accounts",
+			Usage:  "List all currently logged in accounts",
+			Action: cmdAccounts,
+			Flags: []cli.Flag{
+				cli.BoolFlag{
+					Name:  "verbose, v",
+					Usage: "Make the operation more talkative",
+				},
+			},
+		}, {
 			Name:   "auth",
 			Usage:  "Authenticate with a WriteFreely instance",
 			Action: cmdAuth,

go.mod

@@ -5,6 +5,7 @@ require (
 	github.com/atotto/clipboard v0.1.1
 	github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21
 	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
+	github.com/hashicorp/go-multierror v1.0.0
 	github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c
 	github.com/jtolds/gls v4.2.1+incompatible // indirect
 	github.com/microcosm-cc/bluemonday v1.0.1 // indirect

go.sum

@@ -12,6 +12,10 @@ github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
 github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
+github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
 github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c h1:kQWxfPIHVLbgLzphqk3QUflDy9QdksZR4ygR807bpy0=
 github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c/go.mod h1:lADxMC39cJJqL93Duh1xhAs4I2Zs8mKS89XWXFGp9cs=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=