Add rudimentary in progress screen

.gitignore

@@ -1 +1,2 @@
 *.swp
+savedata/

config.gcfg

@@ -2,6 +2,7 @@
   loglevel            = "debug"
   serverdisplay       = "unixvoid.com underground nethack server"
   nethackversion      = "3.6.0"
+  inprogressdir       = "savedata/dgldir/inprogress-nh343"
   recordlocation      = "record"
   reclistlocation     = "reclist"
   bootstrapdelay      = 1

nethack-launcher.go

@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net/http"
 	"os"
@@ -21,6 +22,7 @@ type Config struct {
 		Loglevel        string
 		ServerDisplay   string
 		NethackVersion  string
+		InProgressDir   string
 		RecordLocation  string
 		ReclistLocation string
 		BootstrapDelay  time.Duration
@@ -147,6 +149,7 @@ func printWelcomeScreen(redisClient *redis.Client) string {
 			printRegisterScreen(redisClient)
 		case "w":
 			clearScreen()
+			printProgressScreen()
 			return ("w")
 		case "q":
 			clearScreen()
@@ -164,6 +167,7 @@ func printUserScreen(redisClient *redis.Client, username string) string {
 	println("")
 	println(" l) Logout")
 	println(" w) Watch games in progress")
+	println(" e) Edit config")
 	fmt.Printf(" p) Play NetHack %s\n", config.NethackLauncher.NethackVersion)
 	println(" q) Quit")
 	println("")
@@ -319,6 +323,71 @@ func printRegisterScreen(redisClient *redis.Client) {
 	}
 }
 
+func printProgressScreen() {
+	// print header
+	fmt.Printf(" %s\n", config.NethackLauncher.ServerDisplay)
+	println("")
+
+	// check directory for live players
+	isEmpty, err := checkDir(config.NethackLauncher.InProgressDir)
+	if err != nil {
+		panic(err)
+	}
+	if isEmpty {
+		println(" No live players currently (blank entry returns)")
+	} else {
+		println(" Choose a player to spectate (blank entry aborts)")
+	}
+	println("")
+
+	// populate inProg map
+	// create map for storing in progress data
+	inProg := make(map[int]string)
+	inProgTimer := 1
+
+	progFiles, _ := ioutil.ReadDir(config.NethackLauncher.InProgressDir)
+
+	for _, f := range progFiles {
+		// grab username and path into user[]
+		user := strings.Split(f.Name(), ":")
+
+		// get resolution lines from file
+		res0 := ""
+		res1 := ""
+		filePath := fmt.Sprintf("%s/%s", config.NethackLauncher.InProgressDir, f.Name())
+		fileIO, err := os.OpenFile(filePath, os.O_RDWR, 0600)
+		if err != nil {
+			panic(err)
+		}
+		defer fileIO.Close()
+		rawBytes, err := ioutil.ReadAll(fileIO)
+		if err != nil {
+			panic(err)
+		}
+		lines := strings.Split(string(rawBytes), "\n")
+		for i, line := range lines {
+			if i == 1 {
+				res1 = line
+			}
+			if i == 2 {
+				res0 = line
+			}
+		}
+
+		// print user line
+		fmt.Printf(" %d) %s\t%sx%s\t%s\n", inProgTimer, user[0], res0, res1, user[1])
+
+		// add user line to map
+		inProg[inProgTimer] = f.Name()
+		inProgTimer++
+	}
+	println("")
+	println(">>")
+	// print out map
+
+	os.Exit(0)
+}
+
 func gethighscore(w http.ResponseWriter, r *http.Request) {
 	// run script
 	output, err := exec.Command(config.NethackLauncher.ReclistLocation,
@@ -330,3 +399,17 @@ func gethighscore(w http.ResponseWriter, r *http.Request) {
 
 	fmt.Fprintf(w, "%s\n", output)
 }
+
+func checkDir(dirName string) (bool, error) {
+	f, err := os.Open(dirName)
+	if err != nil {
+		return false, err
+	}
+	defer f.Close()
+
+	_, err = f.Readdirnames(1)
+	if err == io.EOF {
+		return true, nil
+	}
+	return false, err
+}