Jump between tutoriums

search.go

@@ -3,6 +3,7 @@ package main
 import (
 	"html/template"
 	"net/http"
+	"sort"
 	"strconv"
 	"strings"
 )
@@ -15,6 +16,12 @@ func search(w http.ResponseWriter, r *http.Request) error {
 	return render("templates/search.html", args, w, r, "templates/subject_dropdown.html")
 }
 
+type otherTut struct {
+	Name    string
+	Id      string
+	Subject string
+}
+
 func doSearch(w http.ResponseWriter, r *http.Request) error {
 	err := r.ParseForm()
 	if err != nil {
@@ -50,14 +57,60 @@ func doSearch(w http.ResponseWriter, r *http.Request) error {
 		resultTemplate = "templates/search/result_some.html"
 	}
 
+	var subjectText string
+	if tut == "" {
+		subjectText = subj + ": Anzeigen ohne Tutorium"
+	} else {
+		subjectText = subj + ": Tutorium " + tut
+	}
+
+	var otherTuts = make([]otherTut, 0)
+	for entry, stuff := range listings {
+		if len(stuff) == 0 {
+			continue
+		}
+		if splits := strings.Split(entry, "::"); splits[0] == subj {
+			toPush := otherTut{}
+			if splits[1] == "" {
+				toPush.Name = "Leeres Tutorium"
+				toPush.Id = ""
+			} else {
+				toPush.Name = "Tut. " + splits[1]
+				toPush.Id = splits[1]
+			}
+			toPush.Subject = subj
+			otherTuts = append(otherTuts, toPush)
+		}
+	}
+
+	sort.Slice(otherTuts, func(i, j int) bool {
+		id1, err := strconv.Atoi(otherTuts[i].Id)
+		if err != nil {
+			id1 = 0
+		}
+		id2, err := strconv.Atoi(otherTuts[j].Id)
+		if err != nil {
+			id2 = 0
+		}
+		return id1 < id2
+	})
+
+	otherTutsHidden := "hidden"
+	if len(otherTuts) > 0 {
+		otherTutsHidden = ""
+	}
+
 	tmpl, err := template.ParseFiles("templates/template.html", "templates/found.html", "templates/disclaimer.html", resultTemplate)
 	if err != nil {
 		return err
 	}
 	return tmpl.ExecuteTemplate(w, "template", map[string]interface{}{
-		"FoundListings": results,
-		"Subject":       tutString,
-		"Title":         "Resultate",
+		"FoundListings":   results,
+		"Subject":         tutString,
+		"Title":           "Resultate",
+		"SubjectText":     subjectText,
+		"OtherTuts":       otherTuts,
+		"OtherTutsHidden": otherTutsHidden,
 	})
 }
 

templates/found.html

 {{ define "content" }}
 
+<h3>{{ .SubjectText }}</h3>
+
+<div {{ .OtherTutsHidden }}>
+    In diesem Fach gibt es Anzeigen in den Tutorien:
+    {{ range .OtherTuts }}
+    <a href="/dosearch?subject={{ .Subject }}&tutorium={{ .Id }}">{{ .Name }}</a> 
+    {{ end }}
+    <br>
+</div>
+
 {{ template "result" . }}
 <link rel="stylesheet" href="static/found_style.css">