--- /dev/null
+package main
+
+import (
+ "bufio"
+ "database/sql"
+ "fmt"
+ _ "github.com/mattn/go-sqlite3"
+ "io"
+ "log"
+ "net/http"
+ "os"
+ "net"
+ "strconv"
+ "strings"
+ "time"
+)
+
+const (
+ BASE = "Barbot 3.4"
+ DB = BASE + "/data/database"
+ barbot_db = DB + "/barbot.sqlite"
+ barbot_ini = DB + "/database.ini"
+)
+
+func styleHF(w http.ResponseWriter, r *http.Request) {
+ log.Print(r.RemoteAddr, " ", r.Method, " ", r.URL.Path)
+ log.Print("Serving:", BASE+r.URL.Path)
+ http.ServeFile(w, r, BASE+r.URL.Path)
+}
+
+func imgHF(w http.ResponseWriter, r *http.Request) {
+ log.Print(r.RemoteAddr, " ", r.Method, " ", r.URL.Path)
+ log.Print("Serving:", DB+r.URL.Path)
+ http.ServeFile(w, r, DB+r.URL.Path)
+}
+
+func holler(w http.ResponseWriter, err error) {
+ log.Print(err)
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+}
+
+func rootHF(w http.ResponseWriter, r *http.Request) {
+
+ log.Print(r.RemoteAddr, " ", r.Method, " ", r.URL.Path)
+ if r.URL.Path == "/favicon.ico" {
+ http.Error(w, "404 Seek, and you shall find", http.StatusNotFound)
+ return
+ }
+ db, err := sql.Open("sqlite3", barbot_db)
+
+ if err != nil {
+ holler(w, err)
+ return
+ }
+
+ defer db.Close()
+ html := "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"
+ html += "<html>\n"
+ html += "<head>\n"
+ html += "<link rel=\"stylesheet\" type=\"text/css\" href=\"/style/main.css\">"
+ html += "<title>Barbot: Cocktails</title>"
+ html += "<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">"
+ html += "</head>\n"
+ html += "<body>\n"
+
+ q := r.URL.Query()
+ var selected_cocktails string
+ var installed_bottles string
+ single_mode := false
+
+ bbi, err := os.Open(barbot_ini)
+
+ if err != nil {
+ holler(w, err)
+ return
+ }
+
+ defer bbi.Close()
+
+ scanner := bufio.NewScanner(bbi)
+
+ if !scanner.Scan() {
+ holler(w, scanner.Err())
+ return
+ }
+
+ installed_bottles = scanner.Text()
+ ib_slice := strings.Split(installed_bottles, "|")
+
+ log.Print(installed_bottles)
+
+ if len(q["cid"]) != 1 {
+
+ if !scanner.Scan() {
+ holler(w, scanner.Err())
+ return
+ }
+
+ selected_cocktails = scanner.Text()
+ } else {
+ selected_cocktails = q["cid"][0]
+ single_mode = true
+ }
+
+ for _, ctl := range strings.Split(selected_cocktails, "|") {
+ ct, err := db.Query("SELECT * FROM cocktails WHERE ct_ID=?", ctl)
+ if err != nil {
+ holler(w, err)
+ return
+ }
+
+ defer ct.Close()
+ for ct.Next() {
+ var ct_ID string
+ var ct_Name string
+ var ct_Kurzinfo string
+ var ct_Beschreibung string
+ err := ct.Scan(&ct_ID, &ct_Name, &ct_Kurzinfo, &ct_Beschreibung)
+ if nil != err {
+ log.Print(err)
+ continue
+ }
+
+ html += fmt.Sprintf("<h1>%s</h1>\n", ct_Name)
+ img := "/images/ct" + ct_ID + ".jpg"
+ _, err = os.Stat(DB + img)
+ if nil != err {
+ img = "/images/ctdefault.jpg"
+ }
+
+ if !single_mode {
+ html += fmt.Sprintf("<a href=\"?cid=%s\">", ct_ID)
+ html += fmt.Sprintf("<img class=\"img_overview\" title=\"%s\" alt=\"%s\" src=\"%s\" width=\"150\">\n", ct_Name, ct_Name, img)
+ html += "</a>"
+ } else {
+ html += fmt.Sprintf("<img class=\"img_detail\" title=\"%s\" alt=\"%s\" src=\"%s\" width=\"150\">\n", ct_Name, ct_Name, img)
+ }
+
+ html += "<p>\n"
+ if single_mode {
+ bbd := "MIX:"
+ html += "<span class=\"long_descr\">"
+ html += ct_Beschreibung
+ html += "</span>"
+ html += "<hr>\n"
+ html += "<h2>Zutaten:</h2>\n"
+ bt, err := db.Query("SELECT bottles.bt_ID, bottles.bt_Name, mixdefinition.bt_Menge FROM bottles, mixdefinition WHERE bottles.bt_ID = mixdefinition.bt_ID AND mixdefinition.ct_ID = ?", ct_ID)
+
+ for nil == err && bt.Next() {
+ var bt_ID string
+ var bt_Name string
+ var bt_Menge string
+ err := bt.Scan(&bt_ID, &bt_Name, &bt_Menge)
+ if nil != err {
+ log.Print(err)
+ continue
+ }
+ i := 0
+ for i < len(ib_slice) {
+ if ib_slice[i] == bt_ID {
+ bbd += strconv.Itoa(i+1) + "," + bt_Menge + ","
+ log.Println("Found", bt_ID, "at index", i)
+ }
+ i++
+ }
+ img := "/images/bt" + bt_ID + ".jpg"
+ _, err = os.Stat(DB + img)
+ if nil != err {
+ img = "/images/btdefault.jpg"
+ }
+ html += fmt.Sprintf("<img class=\"img_bottle\" title=\"%s\" alt=\"%s\" src=\"%s\" width=\"50\">\n", bt_Name, bt_Name, img)
+ html += fmt.Sprintf("%s: %sml.\n", bt_Name, bt_Menge)
+ }
+ html += "<hr>\n"
+
+ html += "<input id=\"btnBack\" type=\"button\" onclick=\"location.href='../'\" value=\"Zurück\"/> "
+ html += "<input id=\"btnStart\" type=\"button\" onclick=\"location.href='?cid=" + selected_cocktails + "&mix=1'\" value=\"Mischen\"/>"
+ bbd = strings.TrimSuffix(bbd, ",")
+ log.Println(bbd)
+ status := "Backend: "
+
+ conn, err := net.DialTimeout("tcp", "localhost:3005", time.Second*60)
+ if nil == err {
+ defer conn.Close()
+ rr := bufio.NewReader(conn)
+ greet, err := rr.ReadString('\n')
+ if nil == err {
+ greet = strings.TrimSpace(greet)
+ log.Println(greet)
+ if greet == "READY" && 1 == len(q["mix"]) {
+ conn.Write([]byte(bbd))
+ conn.Write([]byte("\n"))
+ status += "OK"
+ } else {
+ status += greet
+ }
+ } else {
+ status = err.Error()
+ }
+
+ } else {
+ status = err.Error()
+ }
+ html += "<p><div class=\"status\">" + status + "</div>"
+ } else {
+ html += "<span class=\"short_descr\">"
+ html += ct_Kurzinfo
+ html += "</span>"
+ }
+ }
+ }
+ html += "</body>\n</html>\n"
+ io.WriteString(w, html)
+}
+
+func main() {
+ http.HandleFunc("/", rootHF)
+ http.HandleFunc("/images/", imgHF)
+ http.HandleFunc("/style/", styleHF)
+ log.Fatal(http.ListenAndServe(":8080", nil))
+}
projects / bbd.git / commitdiff