added webserver capabilities to add/rm anime

templates/index.html

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+<table id="csv_table">
+{% for row in csv %}
+  <tr>
+  {% for col in row %}
+  <td>{{ col }}</td>
+  {% endfor %}
+  </tr>
+{% endfor %}
+</table>
+<p></p>
+<p></p>
+<p></p>
+<form action="new_animu" method = "POST">
+<p>Vuoi aggiungerne uno nuovo?</p>
+<table id="new_animu_table">
+<tr>
+<td>Url:</td><td><input type = "text" name = "field_url" /></td>
+<td>Nome serie:</td><td><input type = "text" name = "field_folder" /></td>
+<td>Stagione:</td><td><input type = "text" name = "field_season" /></td>
+<td><input type = "submit" value = "submit" /></td>
+</tr>
+</table>
+</form>
+<form action="del_animu" method= "POST">
+<p>Vuoi eliminare un anime?</p>
+<input type = "text" name = "del_field" />
+<input type = "submit" value = "submit" />
+</form>

webserver.py

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+from flask import Flask, render_template, request, redirect
+import csv
+
+HOST_NAME = "localhost"
+HOST_PORT = 5000
+app = Flask(__name__)
+
+@app.route("/")
+def mainpage():
+  with open("animelist.csv") as file:
+    reader = csv.reader(file)
+    enum = list(enumerate(list(reader)))
+    lista = []
+    for el in enum:
+      lista.append([el[0]]+el[1])
+    return render_template('index.html',csv=lista)
+
+@app.route("/new_animu", methods = ['POST', 'GET'])
+def new_animu():
+  if request.method == 'GET':
+    return redirect('/')
+  if request.method == 'POST':
+    form_data = request.form
+    #print(form_data)
+    if add_animu(form_data):
+      return f'Anime aggiunto con successo'
+    return f'Errore aggiungendo anime, hai inserito correttamente i valori?'
+
+@app.route("/del_animu", methods = ['POST', 'GET'])
+def del_animu():
+  if request.method == 'GET':
+    return redirect('/')
+  if request.method == 'POST':
+    form_data = request.form
+    print(form_data)
+    if del_animu(form_data):
+      return f'Anime rimosso con successo'
+    return f'Errore rimuovendo anime, hai inserito correttamente i valori?'
+
+def add_animu(form_data):
+  try:
+    if not (form_data['field_season'] and form_data['field_url'] and form_data['field_folder']):
+      return False
+    stagione = int(form_data['field_season'])
+    new_entry = [form_data['field_url'],
+              form_data['field_folder'] + '/Season ' + str(stagione),
+              'Episode S' + format(stagione,'02d'),
+              1,
+              1]
+    with open("animelist.csv",mode='a') as animecsv: #link,cartella>
+      csvfile=csv.writer(animecsv)
+      csvfile.writerow(new_entry)
+    return True
+  except Exception as e:
+    print(e)
+    return False
+
+def del_animu(form_data):
+  try:
+    if not form_data['del_field']:
+      return False
+    data = []
+    with open("animelist.csv", 'r', newline='') as file:
+      csv_reader = csv.reader(file)
+      for index, row in enumerate(csv_reader):
+        if index != int(form_data['del_field']):
+          data.append(row)
+    # Write the remaining data back to the CSV file
+    with open("animelist.csv", 'w', newline='') as file:
+      csv_writer = csv.writer(file)
+      csv_writer.writerows(data)
+    return True
+  except Exception as e:
+    print(e)
+    return False
+
+if __name__ == "__main__":
+  app.run(HOST_NAME, HOST_PORT)