error fixed

Frontend/main.py

@@ -87,14 +87,9 @@ def case_id(filename):
     #temporary choice of cases until I figure out where the actual function from backend is.
     #give the list here in selection using functions from
     selection = elog.get_active_cases(filename) 
-    
     previewid = request.args.get("selectpreview")
-    while request.args.get("selectpreview")!= None:
-        print(previewid)
-        previewid = request.args.get("selectpreview")
-        break
-
-    preview = "../static/fish.jpg" 
+   
+    # preview = "../static/fish.jpg" 
 
     if previewid != None:
         result = int(previewid)
@@ -104,21 +99,14 @@ def case_id(filename):
         print(rec)
         petrinet.decorate_petri_net(result, filename)
 
-        preview = os.path.join(app.config['STATIC_FOLDER'], 'preview_net.png')
+        # preview = os.path.join(app.config['STATIC_FOLDER'], 'preview_net.png')
+        # print(preview)
     else:
         print("else")
-        preview = "../static/fish.jpg"
+        # preview = "../static/fish.jpg"
 
-    '''
-    if previewid == '1':
-        preview = os.path.join(app.config['STATIC_FOLDER'], 'fish.jpg')
-    elif previewid == '2':
-        preview = os.path.join(app.config['STATIC_FOLDER'], 'fish.jpg')
-    else:
-        preview = os.path.join(app.config['STATIC_FOLDER'], 'moyai.jpg') 
-    '''
-    
-    return render_template('case.html', selection=selection, preview=preview, filename=filename)
+   
+    return render_template('case.html', selection=selection, filename=filename)
     
 """
 Route for sending the case id towards recommendation. This is linked to the 'Optimize now' button in the case ID page.
@@ -142,7 +130,7 @@ def recommendation(result, filename):
     rec = int(rec)
     
     petrinet.decorate_petri_net_with_rec(result, rec, filename)
-    # time.sleep(15)
+
     return render_template('result.html')
 
 """

Frontend/templates/case.html

@@ -27,7 +27,7 @@
   Preview it before optimizing!
   <!--The preview functionality. The dropdown menu is separate to avoid mixing the http requests between both button because I have skill issue and am incapable of coding this cleanly.-->
   <form id="previewCase" method="get" name="previewCase">
-    <select name="selectpreview" id="selectcaseid" method="get"  form="selectcaseid">
+    <select name="selectpreview" id="previewCase" method="get"  form="previewCase">
       {% for id in selection %}
         <!--Dropdown selection-->
         <option value= "{{id}}"> {{id}} </option>
@@ -36,7 +36,8 @@
 
       <div style = "text-align: center;">
         <!--The preview image-->
-        <img src="{{ preview }}">
+        <img src="\static\preview_net.png" alt="Placeholder"> <br>
+
       </div>
 
     <div style = "text-align: center;">

backend/petrinet.py

@@ -62,7 +62,7 @@ def decorate_petri_net(case, name):
             decoration[t].update({"label":t.label})
 
 
-    pm4py.view_petri_net(net, initial_marking, final_marking, decorations = decoration)
+    # pm4py.view_petri_net(net, initial_marking, final_marking, decorations = decoration)
     pm4py.save_vis_petri_net(net, initial_marking, final_marking, decorations = decoration, file_path = r"static\preview_net.png")
 
 def decorate_petri_net_with_rec(case, rec, name):