dashboard.go

package main

import (
	"flag"
	"fmt"
	"log"
	"net"
	"net/http"

	"github.com/andrewcharlton/school-dashboard/env"
	"github.com/andrewcharlton/school-dashboard/handlers"
)

func main() {

	// Get Hostname
	host, err := getHost()
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("School dashboard started.\nConnect at: %v:8080", host)

	// Get database filename
	args := flag.Args()
	filename := "school.db"
	if len(args) >= 1 {
		filename = args[1]
	}

	// Connect to database
	env, err := env.Connect(filename)
	if err != nil {
		log.Fatal(err)
	}

	// Static and Image servers
	static := http.FileServer(http.Dir("./static"))
	images := http.FileServer(http.Dir("./images"))

	// Client Server
	clientMux := http.NewServeMux()
	clientMux.Handle("/static/", http.StripPrefix("/static/", static))
	clientMux.Handle("/images/", http.StripPrefix("/images/", images))
	clientMux.HandleFunc("/", handlers.Index(env))
	clientMux.HandleFunc("/attainmentgroups/", handlers.AttainmentGroups(env))
	clientMux.HandleFunc("/attendance/", handlers.AttendanceExplorer(env))
	clientMux.HandleFunc("/attendancegroups/", handlers.AttendanceGroups(env))
	clientMux.HandleFunc("/basics/", handlers.EnglishAndMaths(env))
	clientMux.HandleFunc("/ebacc/", handlers.EBacc(env))
	clientMux.HandleFunc("/ks3summary/", handlers.KS3Summary(env))
	clientMux.HandleFunc("/ks3groups/", handlers.KS3Groups(env))
	clientMux.HandleFunc("/progress8/", handlers.Progress8(env))
	clientMux.HandleFunc("/progress8groups/", handlers.Progress8Groups(env))
	//clientMux.HandleFunc("/export/headlines/", handlers.ExportHeadlines(env))
	clientMux.HandleFunc("/export/subject/", handlers.ExportSubject(env))
	clientMux.HandleFunc("/subjects/", handlers.SubjectOverview(env))
	clientMux.HandleFunc("/progressgrid/", handlers.ProgressGrid(env))
	clientMux.HandleFunc("/subjectgroups/", handlers.SubjectGroups(env))
	clientMux.HandleFunc("/student/", handlers.Student(env))
	clientMux.HandleFunc("/search/", handlers.Search(env))
	for {
		err := http.ListenAndServe(":8080", clientMux)
		log.Println(err)
	}

	/*
		adminMux := http.NewServeMux()
		adminMux.Handle("/static/", http.StripPrefix("/static/", static))
		adminMux.HandleFunc("/admin/", func(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "Hello") })
		http.ListenAndServe(":8081", adminMux)
	*/

}

func getHost() (string, error) {

	ifaces, err := net.Interfaces()
	if err != nil {
		return "", err
	}

	for _, i := range ifaces {
		addrs, err := i.Addrs()
		if err != nil {
			return "", err
		}

		for _, addr := range addrs {
			var ip net.IP
			switch v := addr.(type) {
			case *net.IPNet:
				ip = v.IP
			case *net.IPAddr:
				ip = v.IP
			}

			if ip == nil || ip.IsLoopback() {
				continue
			}
			ip = ip.To4()
			if ip == nil {
				continue // not an ipv4 address
			}
			return ip.String(), nil // process IP address
		}
	}

	return "", fmt.Errorf("No interfaces found")
}