admin: qr kody

admin.go

@@ -425,3 +425,86 @@ func AdminPositionsHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 }
+
+func AdminQRHandler(w http.ResponseWriter, r *http.Request) {
+	if !isAdmin(r) {
+		http.Redirect(w, r, "/admin/login", http.StatusSeeOther)
+		return
+	}
+	if r.Method == http.MethodPost {
+		if err := r.ParseForm(); err != nil {
+			http.Error(w, "Error parsing form", http.StatusBadRequest)
+			return
+		}
+		// Deleting an existing QR code
+		if r.PostForm.Has("delete") {
+			qrID := r.FormValue("delete")
+			_, err := db.Exec("DELETE FROM qr_codes WHERE id = ?", qrID)
+			if err != nil {
+				http.Error(w, "Database error", http.StatusInternalServerError)
+				return
+			}
+			http.Redirect(w, r, "/admin/qr", http.StatusSeeOther)
+			return
+		}
+		// Adding a new QR code
+		positionID := r.FormValue("position")
+		uid := r.FormValue("uid")
+		if positionID == "" || uid == "" {
+			http.Error(w, "All fields are required", http.StatusBadRequest)
+			return
+		}
+		_, err := db.Exec("INSERT INTO qr_codes (position_id, uid) VALUES (?, ?)", positionID, uid)
+		if err != nil {
+			http.Error(w, "Database error", http.StatusInternalServerError)
+			return
+		}
+		http.Redirect(w, r, "/admin/qr", http.StatusSeeOther)
+		return
+	}
+	// Fetch all QR codes with their associated positions
+	rows, err := db.Query("SELECT qr_codes.id, qr_codes.uid, COALESCE(position_id, ''), COALESCE(gps, '') FROM qr_codes LEFT JOIN positions ON qr_codes.position_id = positions.id ORDER BY qr_codes.id")
+	if err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+	var qrs []AdminQRsTemplateS
+	for rows.Next() {
+		var qr AdminQRsTemplateS
+		if err := rows.Scan(&qr.ID, &qr.URL, &qr.Position, &qr.GPS); err != nil {
+			http.Error(w, "Database error", http.StatusInternalServerError)
+			return
+		}
+		qr.URL = domain + "/qr/" + qr.URL
+		qrs = append(qrs, qr)
+	}
+	if err := rows.Err(); err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	// Fetch all positions for the dropdown
+	rows, err = db.Query("SELECT id FROM positions ORDER BY id")
+	if err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	defer rows.Close()
+	var positions []int
+	for rows.Next() {
+		var position int
+		if err := rows.Scan(&position); err != nil {
+			http.Error(w, "Database error", http.StatusInternalServerError)
+			return
+		}
+		positions = append(positions, position)
+	}
+	if err := rows.Err(); err != nil {
+		http.Error(w, "Database error", http.StatusInternalServerError)
+		return
+	}
+	if err := AdminQRsTemplate.Execute(w, AdminQRTemplateS{QRs: qrs, Positions: positions}); err != nil {
+		http.Error(w, "Template error", http.StatusInternalServerError)
+		return
+	}
+}

klice.go

@@ -344,6 +344,7 @@ func main() {
 	http.HandleFunc("/admin/levels", AdminLevelHandler)
 	http.HandleFunc("/admin/cipher", AdminCipherHandler)
 	http.HandleFunc("/admin/positions", AdminPositionsHandler)
+	http.HandleFunc("/admin/qr", AdminQRHandler)
 
 	fmt.Println("Server started at :8080")
 	http.ListenAndServe(":8080", nil)

templates.go

@@ -52,6 +52,18 @@ type AdminPositionsTemplateS struct {
 	URL  string
 }
 
+type AdminQRsTemplateS struct {
+	URL      string
+	Position string
+	GPS      string
+	ID       int
+}
+
+type AdminQRTemplateS struct {
+	QRs       []AdminQRsTemplateS
+	Positions []int
+}
+
 var CipherTemplate = template.Must(template.ParseFiles("templates/assignment.html"))
 var TeamTemplate = template.Must(template.ParseFiles("templates/team.html"))
 var AdminTeamsTemplate = template.Must(template.ParseFiles("templates/adminTeams.html"))
@@ -59,3 +71,4 @@ var AdminRoutesTemplate = template.Must(template.ParseFiles("templates/adminRout
 var AdminLevelTemplate = template.Must(template.ParseFiles("templates/adminLevels.html"))
 var AdminCipherTemplate = template.Must(template.ParseFiles("templates/adminCiphers.html"))
 var AdminPositionsTemplate = template.Must(template.ParseFiles("templates/adminPositions.html"))
+var AdminQRsTemplate = template.Must(template.ParseFiles("templates/adminQR.html"))

templates/adminPanel.html

@@ -13,6 +13,7 @@
     <a href="/admin/levels">Úrovně</a> <br>
     <a href="/admin/cipher">Šifry</a> <br>
     <a href="/admin/positions">Pozice</a> <br>
+    <a href="/admin/qr">QR Kódy</a> <br>
     <hr>
     <form method="post" action="/admin/logout">
         <input type="submit" value="Logout">

templates/adminQR.html

@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html lang="cs">
+
+<head>
+    <meta charset="UTF-8">
+    <title>QR</title>
+</head>
+
+<body>
+    <h1>QR</h1>
+    <table border="1">
+        <tr>
+            <th>URL</th>
+            <th>Pozice</th>
+            <th>GPS</th>
+            <th>Smazat</th>
+        </tr>
+        {{range .QRs}}
+        <tr>
+            <td>{{.URL}}</td>
+            <td>{{.Position}}</td>
+            <td>{{.GPS}}</td>
+            <td>
+                <form action="/admin/qr" method="post">
+                    <input type="hidden" name="delete" value="{{.ID}}">
+                    <button type="submit">Smazat</button>
+                </form>
+            </td>
+        </tr>
+        {{end}}
+    </table>
+    <hr>
+    <h2>Přidat nový QR kód</h2>
+    <form action="/admin/qr" method="post">
+        URL - jenom poslední část: <input type="text" name="uid" required>
+        Pozice: <select name="position" required>
+            {{range .Positions}}
+            <option value="{{.}}">{{.}}</option>
+            {{end}}
+        </select>
+        <button type="submit">Přidat QR kód</button>
+    </form>
+    <hr>
+    <a href="/admin">Zpět na admin panel</a>
+</body>
+
+</html>