Put functions.go into multiple files, added welcome page

del.go

+package main
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+)
+
+func del(w http.ResponseWriter, r *http.Request) error {
+	args := map[string]interface{}{
+		"Title": "Daten löschen",
+	}
+	return render("templates/delete.html", args, w, r)
+}
+
+func doDel(w http.ResponseWriter, r *http.Request) error {
+	if r.Method != "POST" {
+		return renderError("Method falsch ("+r.Method+" statt POST)", w, r)
+	}
+	err := r.ParseForm()
+	if err != nil {
+		return err
+	}
+	email := r.FormValue("email")
+	if email == "" {
+		return renderError("Email leer", w, r)
+	}
+
+	listingsMutex.Lock()
+	defer listingsMutex.Unlock()
+	numDeleted := 0
+	for key, value := range listings {
+		i := 0
+		for _, listing := range value {
+			if strings.ToLower(listing.Email) != strings.ToLower(email) {
+				value[i] = listing
+				i++
+			}
+		}
+		l := len(value)
+		listings[key] = value[:i]
+		numDeleted += l - i
+	}
+
+	err = saveStruct(listings, listingsFile)
+	if err != nil {
+		return err
+	}
+	_, err = w.Write([]byte("Ok :)\nDeleted " + strconv.Itoa(numDeleted) + "\n"))
+	return err
+}

functions.go

@@ -3,17 +3,15 @@ package main
 import (
 	"html/template"
 	"net/http"
-	"strconv"
-	"strings"
-	"time"
 )
 
 var regFunctions = map[string]func(http.ResponseWriter, *http.Request) error{
-	"/":           search,
+	"/":           welcome,
+	"/search":     search,
 	"/data":       data,
 	"/delete":     del,
 	"/dodelete":   doDel,
-	"/search":     doSearch,
+	"/dosearch":   doSearch,
 	"/addlisting": addListing,
 	"/info":       info,
 }
@@ -47,63 +45,15 @@ func renderError(err string, w http.ResponseWriter, r *http.Request) error {
 		"Error": err,
 	}, w, r)
 }
-
-func search(w http.ResponseWriter, r *http.Request) error {
+func welcome(w http.ResponseWriter, r *http.Request) error {
 	if r.URL.Path != "/" {
 		http.NotFound(w, r)
 		return nil
 	}
 	args := map[string]interface{}{
-		"Subjects": subjects,
-		"Title":    "Suche",
-	}
-	return render("templates/search.html", args, w, r)
-}
-
-func doSearch(w http.ResponseWriter, r *http.Request) error {
-	err := r.ParseForm()
-	if err != nil {
-		return err
-	}
-	subj := r.FormValue("subject")
-	tut := r.FormValue("tutorium")
-	if !hasSubject(subj) {
-		return renderError("Dieses Fach existiert nicht. Bitte nutze die Autocomplete-Funktion, "+
-			"oder falls du Javascript ablehnst die Liste von akzeptierten Fächern.\n", w, r)
-	}
-	var num string
-	if tut == "" {
-		num = ""
-	} else {
-		intNum, err := strconv.Atoi(tut)
-		num = strconv.Itoa(intNum)
-		if err != nil {
-			return renderError("Das Tutorium muss eine Integer-Zahl oder leer sein", w, r)
-		}
-	}
-
-	tutString := subj + "::" + num
-	listingsMutex.Lock()
-	defer listingsMutex.Unlock()
-	results := listings[tutString]
-
-	var resultTemplate string
-
-	if len(results) == 0 {
-		resultTemplate = "templates/result_none.html"
-	} else {
-		resultTemplate = "templates/result_some.html"
-	}
-
-	tmpl, err := template.ParseFiles("templates/template.html", "templates/found.html", resultTemplate)
-	if err != nil {
-		return err
+		"Title": "Willkommen",
 	}
-	return tmpl.ExecuteTemplate(w, "template", map[string]interface{}{
-		"FoundListings": results,
-		"Subject":       tutString,
-		"Title":         "Resultate",
-	})
+	return render("templates/welcome.html", args, w, r)
 }
 
 func data(w http.ResponseWriter, r *http.Request) error {
@@ -112,96 +62,9 @@ func data(w http.ResponseWriter, r *http.Request) error {
 	}
 	return render("templates/data.html", args, w, r)
 }
-
-func addListing(w http.ResponseWriter, r *http.Request) error {
-	if r.Method != "POST" {
-		return renderError("Falsche Methode ("+r.Method+", nicht POST)", w, r)
-	}
-	err := r.ParseForm()
-	if err != nil {
-		return err
-	}
-	email := r.FormValue("email")
-	numStudentsStr := r.FormValue("num_students")
-	message := r.FormValue("message")
-	agreeStr := r.FormValue("agree")
-	subject := r.FormValue("subject")
-	if email == "" {
-		return renderError("Email leer", w, r)
-	}
-	numStudents, err := strconv.Atoi(numStudentsStr)
-	if err != nil {
-		return renderError("Anzahl Studenten muss eine Integer-Zahl sein", w, r)
-	}
-	if numStudents < 1 {
-		return renderError("Anzahl Studenten muss >= 1 sein", w, r)
-	}
-	if agreeStr != "on" {
-		return renderError("Du musst den Bedingungen zustimmen", w, r)
-	}
-	if !hasSubject(strings.Split(subject, "::")[0]) {
-		return renderError("Das angegebene Fach existiert nicht", w, r)
-	}
-	listing := Listing{email, numStudents, message, time.Now().Format("02.01.2006 um 15:04")}
-	listingsMutex.Lock()
-	defer listingsMutex.Unlock()
-	listings[subject] = append(listings[subject], listing)
-	err = saveStruct(listings, listingsFile)
-	if err != nil {
-		return err
-	}
-
-	http.Redirect(w, r, r.Referer(), http.StatusFound)
-	return nil
-}
-
 func info(w http.ResponseWriter, r *http.Request) error {
 	args := map[string]interface{}{
 		"Title": "Info",
 	}
 	return render("templates/info.html", args, w, r)
 }
-
-func del(w http.ResponseWriter, r *http.Request) error {
-	args := map[string]interface{}{
-		"Title": "Daten löschen",
-	}
-	return render("templates/delete.html", args, w, r)
-}
-
-func doDel(w http.ResponseWriter, r *http.Request) error {
-	if r.Method != "POST" {
-		return renderError("Method falsch ("+r.Method+" statt POST)", w, r)
-	}
-	err := r.ParseForm()
-	if err != nil {
-		return err
-	}
-	email := r.FormValue("email")
-	if email == "" {
-		return renderError("Email leer", w, r)
-	}
-
-	listingsMutex.Lock()
-	defer listingsMutex.Unlock()
-	numDeleted := 0
-	for key, value := range listings {
-		i := 0
-		for _, listing := range value {
-			if strings.ToLower(listing.Email) != strings.ToLower(email) {
-				value[i] = listing
-				i++
-			}
-		}
-		l := len(value)
-		listings[key] = value[:i]
-		numDeleted += l - i
-	}
-
-	err = saveStruct(listings, listingsFile)
-	if err != nil {
-		return err
-	}
-	_, err = w.Write([]byte("Ok :)\nDeleted " + strconv.Itoa(numDeleted) + "\n"))
-	return err
-}

search.go

+package main
+
+import (
+	"html/template"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func search(w http.ResponseWriter, r *http.Request) error {
+	args := map[string]interface{}{
+		"Subjects": subjects,
+		"Title":    "Suche",
+	}
+	return render("templates/search.html", args, w, r)
+}
+
+func doSearch(w http.ResponseWriter, r *http.Request) error {
+	err := r.ParseForm()
+	if err != nil {
+		return err
+	}
+	subj := r.FormValue("subject")
+	tut := r.FormValue("tutorium")
+	if !hasSubject(subj) {
+		return renderError("Dieses Fach existiert nicht. Bitte nutze die Autocomplete-Funktion, "+
+			"oder falls du Javascript ablehnst die Liste von akzeptierten Fächern.\n", w, r)
+	}
+	var num string
+	if tut == "" {
+		num = ""
+	} else {
+		intNum, err := strconv.Atoi(tut)
+		num = strconv.Itoa(intNum)
+		if err != nil {
+			return renderError("Das Tutorium muss eine Integer-Zahl oder leer sein", w, r)
+		}
+	}
+
+	tutString := subj + "::" + num
+	listingsMutex.Lock()
+	defer listingsMutex.Unlock()
+	results := listings[tutString]
+
+	var resultTemplate string
+
+	if len(results) == 0 {
+		resultTemplate = "templates/result_none.html"
+	} else {
+		resultTemplate = "templates/result_some.html"
+	}
+
+	tmpl, err := template.ParseFiles("templates/template.html", "templates/found.html", resultTemplate)
+	if err != nil {
+		return err
+	}
+	return tmpl.ExecuteTemplate(w, "template", map[string]interface{}{
+		"FoundListings": results,
+		"Subject":       tutString,
+		"Title":         "Resultate",
+	})
+}
+
+func addListing(w http.ResponseWriter, r *http.Request) error {
+	if r.Method != "POST" {
+		return renderError("Falsche Methode ("+r.Method+", nicht POST)", w, r)
+	}
+	err := r.ParseForm()
+	if err != nil {
+		return err
+	}
+	email := r.FormValue("email")
+	numStudentsStr := r.FormValue("num_students")
+	message := r.FormValue("message")
+	agreeStr := r.FormValue("agree")
+	subject := r.FormValue("subject")
+	if email == "" {
+		return renderError("Email leer", w, r)
+	}
+	numStudents, err := strconv.Atoi(numStudentsStr)
+	if err != nil {
+		return renderError("Anzahl Studenten muss eine Integer-Zahl sein", w, r)
+	}
+	if numStudents < 1 {
+		return renderError("Anzahl Studenten muss >= 1 sein", w, r)
+	}
+	if agreeStr != "on" {
+		return renderError("Du musst den Bedingungen zustimmen", w, r)
+	}
+	if !hasSubject(strings.Split(subject, "::")[0]) {
+		return renderError("Das angegebene Fach existiert nicht", w, r)
+	}
+	listing := Listing{email, numStudents, message, time.Now().Format("02.01.2006 um 15:04")}
+	listingsMutex.Lock()
+	defer listingsMutex.Unlock()
+	listings[subject] = append(listings[subject], listing)
+	err = saveStruct(listings, listingsFile)
+	if err != nil {
+		return err
+	}
+
+	http.Redirect(w, r, r.Referer(), http.StatusFound)
+	return nil
+}
+

templates/search.html

@@ -2,7 +2,7 @@
 Auf dieser Seite kannst du nach Abgabepartnern an der RWTH
 im Bachelor (vielleicht auch Master?) Informatik suchen, oder
 dich selbst finden lassen.
-<form method="get" action="/search">
+<form method="get" action="/dosearch">
 <br><br>
 <label for="subject"><b>Dein Fach:</b></label>
 <input name="subject" id="subject">

templates/template.html

@@ -7,7 +7,7 @@
     </head>
     <body>
         <div class="container">
-            <div class="logo">
+            <div onclick="document.location = '/';" class="logo">
                 <h2>apb</h2>
                 <small>Finde den Abgabepartner deiner Träume</small>
             </div>
@@ -19,7 +19,13 @@
             <div class="sidebar">
                 <b class="sidebar-title">Inhalte auf dieser Seite</b>
                 <div class="sidebar-element">
-                    <a href="/">Suche</a>
+                    <a href="/">Start</a>
+                </div>
+                <div class="sidebar-element">
+                    <a href="/search">Abgabepartner suchen</a>
+                </div>
+                <div class="sidebar-element">
+                    <a href="/tutswap">Tutorien tauschen</a>
                 </div>
                 <div class="sidebar-element">
                     <a href="/delete">Lösche deine Anzeige</a>
@@ -28,7 +34,7 @@
                     <a href="/data">Datenschutzerklärung</a>
                 </div>
                 <div class="sidebar-element">
-                    <a href="/info">Info</a>
+                    <a href="/info">Info und Repositor</a>
                 </div>
             </div>
             <div class="main">

templates/welcome.html

+{{ define "content" }}
+
+<p>Du hast die <b>Abgabepartnerbörse</b> für den Bachelor/Master Informatik gefunden.
+
+<p>Auf dieser Website kannst du <a href="/search">Abgabepartner finden</a>
+    und <a href="/tutswap">Tutorien tauschen</a>.
+
+<p>Möchtest du etwas ändern, ein Feature vorschlagen oder einen Bug melden?
+    Schau dir doch das <a href="https://git.rwth-aachen.de/h/apb">Repository</a> an.
+
+<p>Viel Erfolg :)</p>
+
+{{ end }}