evalweb: Add link support for convert

evalweb/evalweb.py

@@ -151,10 +151,16 @@ def convert() -> str:
                     "task_form": task_form,
                     "student_area": ""}
 
-    if request.method == 'POST' and 'submit_button' in request.form:
-        student_string = request.form['student_string']
-        student_type = student_form.make.data
-        task = task_form.make.data
+    if (request.method == 'POST' and 'submit_button' in request.form) \
+            or (request.method == 'GET' and 'link' in request.args):
+        if request.method == 'POST':
+            student_string = request.form['student_string']
+            student_type = student_form.make.data
+            task = task_form.make.data
+        else:
+            student_string = request.args['inval']
+            student_type = request.args['inty']
+            task = request.args['outty']
         convert_args["student_area"] = student_string
 
         if student_string == "":
@@ -175,6 +181,8 @@ def convert() -> str:
                                student_string=student_string,
                                student_type=types[student_type],
                                task=tasks[task],
+                               raw_in_type=student_type,
+                               raw_out_type=task,
                                output=output,
                                is_task=is_task)
 

evalweb/templates/result_convert.html

 {% extends 'base.html' %}
 
 {% block header %}
-    <h1>Výsledek převodu</h1>
+    <h1>Výsledek převodu
+    <a class="anchor" href="?link&inty={{raw_in_type | urlencode}}&inval={{student_string | urlencode}}&outty={{raw_out_type | urlencode}}">⚓</a></h1>
 {% endblock %}
 
 {% block content %}