Added new updates acording to log.

app.py

@@ -8,6 +8,7 @@ import time
 
 import requests
 from flask import Flask, render_template, request, send_file, redirect, url_for
+from flask_headers import headers
 from werkzeug.utils import secure_filename
 from stark import run
 
@@ -134,6 +135,7 @@ def create_app():
         return render_template('result.html', head_row=displayed_head, content=displayed_content_dict)
 
     @app.route('/', methods=['GET', 'POST'])
+    # @headers({'Cache-Control': 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'})
     def index():
         if request.method == 'POST':
             form = request.form
@@ -240,6 +242,14 @@ def create_app():
             configs['detailed_results_file'] = None
 
             configs['frequency_threshold'] = 0
+            if 'frequency_threshold' in form and form['frequency_threshold']:
+                try:
+                    int(form['frequency_threshold'])
+                except ValueError:
+                    validation['frequency_threshold'] = f'Please insert an Integer.'
+                else:
+                    configs['frequency_threshold'] = int(form['frequency_threshold'])
+
             configs['lines_threshold'] = None
 
             configs['continuation_processing'] = False
@@ -256,14 +266,23 @@ def create_app():
             name = ''.join(random.choices(string.ascii_uppercase + string.digits, k=60))
             configs['output'] = os.path.join('media', name)
             if len(validation) > 0:
+                a = request.args.get('noreload')
+                b = request.args
+                c = request
                 return render_template('index.html', validation=validation)
             try:
                 run(configs)
             except Exception as e:
-                validation['general'] = 'Processing failed! Please recheck your settings.'
+                validation['general'] = 'Processing failed! Please recheck your settings, e.g. input format or head node description.'
             if len(validation) > 0:
                 return render_template('index.html', validation=validation)
-            return redirect(url_for('result', result_id=name))
+            # check if there are no results
+            with open(os.path.join('media', name), 'r') as rf:
+                content = list(csv.reader(rf, delimiter='\t'))
+                if len(content) == 1:
+                    validation['results'] = False
+                    return render_template('index.html', validation=validation)
+            return redirect(url_for('result', result_id=name, order_by='Frequency ', order_type='desc'))
         return render_template('index.html')
 
     return app