def addgroup(username):
if request.method == 'POST':
db = get_db()
error = None
name = request.form['name']
if (db.execute('SELECT name FROM groups WHERE name = ?',
(name, )).fetchone()) is not None:
error = "Group Already Exists"
if error is None:
gid = db.execute(
'INSERT INTO groups (owner_id, name) \
VALUES (?, ?)', (
g.user['id'],
name,
)).lastrowid
db.commit()
db.execute(
'INSERT INTO group_members (group_id, member_id, permission) VALUES (?, ?, 2)',
(
gid,
g.user['id'],
))
db.commit()
return redirect(url_for('.home', username=g.user['username']))
flash(error)
return render_template('user/addgroup.html', username=g.user['username'])
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = get_db().execute('SELECT * FROM user WHERE id = ?',
(user_id, )).fetchone()
def addbill(group_id, topic_id):
db = get_db()
error = None
total = float(request.form['total'])
due = request.form['due']
posted = request.form['posted']
default = db.execute(
'SELECT default_enabled FROM topics \
WHERE topic_id = ?', (topic_id, )).fetchone()
last = db.execute('INSERT INTO bills \
(owner_id, group_id, topic_id, total, posted_date, due_date, paid, past_due) \
VALUES (?, ?, ?, ?, ?, ?, 0, 0)' , \
(g.user['id'], group_id, topic_id, total, posted, due,)).lastrowid
db.commit()
#initialze bill_members
members = db.execute(
'SELECT member_id FROM group_members WHERE group_id = ?', \
(group_id)).fetchall()
for m in members:
db.execute(
'INSERT INTO bill_members (bill_id, member_id, member_paid) \
VALUES (?, ?, 0)', (last, m[0]))
db.commit()
if default['default_enabled'] == 1:
even_split(last, topic_id, group_id)
else:
custom_split(last, topic_id, group_id)
return redirect(url_for('.home', username=g.user['username']))
def check_paid(bill_id):
db = get_db()
check = db.execute(
'SELECT member_paid FROM bill_members \
WHERE bill_id = ?', (bill_id, )).fetchall()
for entry in check:
if entry['member_paid'] == 0:
return
db.execute('UPDATE bills SET paid = 1 \
WHERE bill_id = ?', (bill_id, ))
db.commit()
def get_member_list(groups):
db = get_db()
members = {}
for gr in groups:
mem = db.execute('SELECT username FROM user \
JOIN group_members on group_members.member_id = user.id \
WHERE group_members.group_id=? AND group_members.permission > 0' , \
(gr['group_id'],)).fetchall()
member_list = [m['username'] for m in mem]
members[gr['group_id']] = member_list
return members
def reset_bills(group_id):
db = get_db()
topics = db.execute(
'SELECT topic_id, default_enabled FROM topics \
WHERE group_id=?', (group_id, )).fetchall()
for t in topics:
bills = db.execute('SELECT bill_id FROM bills \
WHERE topic_id=? AND paid=0' \
,(t['topic_id'],)).fetchall()
if t['default_enabled']:
for b in bills:
even_split(b['bill_id'], t['topic_id'], group_id)
else:
for b in bills:
custom_split(b['bill_id'], t['topic_id'], group_id)
def messages(username):
db = get_db()
messages = db.execute(
'SELECT mes_id, sender_id, rec_id, mes, viewed FROM messages WHERE rec_id = ? AND viewed = 0', \
(g.user['id'],)).fetchall()
if request.method == 'POST':
if 'seen' in request.form:
db.execute('UPDATE messages SET viewed =1 WHERE mes_id = ?',
(request.form['seen'], ))
db.commit()
return redirect(url_for('.messages', username=g.user['username']))
return render_template('user/messages.html',
username=g.user['username'],
messages=messages)
def even_split(bill_id, topic_id, group_id):
db = get_db()
members = db.execute(
'SELECT * FROM group_members \
WHERE group_id=? AND permission > 0' , \
(group_id,)).fetchall()
num_members = len(members)
bill = db.execute(
'SELECT * from bills WHERE bill_id=?', \
(bill_id,)).fetchone()
member_portion = (1 / num_members) * bill['total']
for m in members:
db.execute('UPDATE bill_members SET member_sum = ? \
WHERE member_id=? AND bill_id=?' ,\
(member_portion, m['member_id'], bill_id,))
db.commit()
return
def addtopic(group_id):
db = get_db()
error = None
category = request.form['category']
if not category:
error = "Please enter a new category"
if db.execute(
'SELECT topic FROM topics WHERE user_id = ? \
AND group_id = ? AND topic = ?' , \
(g.user['id'], group_id, category,)).fetchone() is not None:
error = "Category already exists"
if error is None:
db.execute(
'INSERT INTO topics (user_id, topic, group_id, default_enabled) \
VALUES (?, ?, ?, ?)' , \
(g.user['id'], category, group_id, request.form['split_type']))
db.commit()
if error is not None:
flash(error)
return redirect(url_for('.home', username=g.user['username']))
def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if not username or not password:
error = "Missing required field"
elif db.execute('SELECT id FROM user WHERE username = ?',
(username, )).fetchone() is not None:
error = 'Username not available.'
# sucessful generation of new user
if error is None:
db.execute('INSERT INTO user (username, password) VALUES (?, ?)',
(username, generate_password_hash(password)))
db.commit()
id = db.execute('SELECT id FROM user WHERE username =?',
(username, )).fetchone()
db.execute('INSERT INTO groups (owner_id, name) VALUES (?, ?)', (
id['id'],
'Default',
))
gid = db.execute(
'SELECT group_id FROM groups \
WHERE owner_id = ? AND name = ?' , \
(id['id'], 'Default',)).fetchone()
db.execute(
'INSERT INTO group_members (group_id, member_id, permission) \
VALUES (?, ?, 2)', (
gid['group_id'],
id['id'],
))
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('register.html')
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.execute('SELECT * FROM user WHERE username = ?',
(username, )).fetchone()
if user is None:
error = 'Username not found.'
elif not check_password_hash(user['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = user['id']
return redirect(url_for('user.home', username=username))
flash(error)
return render_template('login.html')
def groupmanagement(username):
db = get_db()
members = {}
error = None
invites = db.execute('SELECT * FROM groups \
INNER JOIN group_members on groups.group_id=group_members.group_id \
WHERE group_members.member_id=? AND group_members.permission=0' , \
(g.user['id'],)).fetchall()
group = db.execute(
'SELECT * FROM groups \
INNER JOIN group_members on groups.group_id=group_members.group_id \
WHERE group_members.member_id=? AND group_members.permission != 0' , \
(g.user['id'],)).fetchall()
topics = db.execute('SELECT * FROM topics \
INNER JOIN group_members on topics.group_id = group_members.group_id \
WHERE group_members.member_id=? AND group_members.permission > 0' , \
(g.user['id'], )).fetchall()
members = get_member_list(group)
if request.method == 'POST':
# Accept invite request
if 'accept' in request.form:
gid = request.form['accept']
db.execute('UPDATE group_members SET permission = 1 \
WHERE member_id = ? AND group_id = ?' , \
(g.user['id'], gid,))
db.commit()
cat = db.execute('SELECT topic_id from topics WHERE group_id = ?',
(request.form['accept'], )).fetchall()
for entry in cat:
bills = db.execute('SELECT bill_id FROM bills \
WHERE topic_id = ? AND paid = 0 AND past_due = 0' , \
(entry['topic_id'],)).fetchall()
for b in bills:
db.execute(
'INSERT INTO bill_members (bill_id, member_id, member_paid) \
VALUES (?, ?, 0)', (
b['bill_id'],
g.user['id'],
))
db.commit()
even_split(b['bill_id'], entry['topic_id'], gid)
return redirect(
url_for('.groupmanagement', username=g.user['username']))
#deny invite request
elif 'deny' in request.form:
db.execute(
'DELETE FROM group_members \
WHERE member_id=? \
AND group_id=?', (g.user['id'], request.form['deny']))
db.commit()
return redirect(
url_for('.groupmanagement', username=g.user['username']))
# Remove topic
elif 'removetopic' in request.form and request.form[
'removetopic'] is not 'None':
db.execute("DELETE FROM topics WHERE topic_id=(?)",
(request.form['removetopic'], ))
db.commit()
return redirect(
url_for('.groupmanagement', username=g.user['username']))
# Inviting a new member to a group
elif 'invite' in request.form:
invitee = db.execute(
'SELECT username, id FROM user \
WHERE username = ?', (request.form['invite'], )).fetchone()
if invitee is None:
error = "User does not exist"
elif db.execute(
'SELECT member_id FROM group_members \
WHERE member_id = ? AND group_id = ?' , \
(invitee['id'], request.form['gid'],)).fetchone() is not None:
error = "User is already in the group or has a pending invitation"
else:
db.execute(
'INSERT INTO group_members (group_id, member_id, permission) VALUES (?, ?, 0)', \
(request.form['gid'], invitee['id']))
name = db.execute(
'SELECT name FROM groups WHERE group_id = ?', \
(request.form['gid'],)).fetchone()
inv_msg = '{} has invited you to join {}.'.format(
g.user['username'], name['name'])
db.execute(
'INSERT INTO messages (sender_id, rec_id, mes, viewed) VALUES (?, ?, ?, 0)', \
(g.user['id'], invitee['id'], inv_msg,))
db.commit()
error = "Group Invitation Sent"
return redirect(
url_for('.groupmanagement', username=g.user['username']))
# Rename A Group
elif 'rename' in request.form:
if db.execute(
'SELECT name FROM groups WHERE name = ?',\
(request.form['rename'],)).fetchone() is not None:
error = 'Group Name Not Available'
else:
db.execute(
'UPDATE groups SET name = ? WHERE group_id = ?', \
(request.form['rename'], request.form['gid'],))
db.commit()
return redirect(
url_for('.groupmanagement', username=g.user['username']))
# Delete a Group
elif 'delete' in request.form:
db.execute('DELETE FROM groups WHERE group_id = ?',
(request.form['delete'], ))
db.commit()
return redirect(
url_for('.groupmanagement', username=g.user['username']))
# Leave a Group
elif 'leavegrp' in request.form:
db.execute(
'DELETE FROM group_members WHERE group_id = ? and member_id = ?', \
(request.form['leavegrp'], g.user['id']))
db.commit()
reset_bills(request.form['leavegrp'])
return redirect(
url_for('.groupmanagement', username=g.user['username']))
if error is not None:
flash(error)
return render_template('user/groupmanagement.html',
username=g.user['username'],
group=group,
invites=invites,
topics=topics,
members=members)
def home(username):
db = get_db()
error = None
date = datetime.date.today()
has_paid = {}
valid_bill_ids = set()
groups = db.execute(
'SELECT * FROM groups \
JOIN group_members on groups.group_id = group_members.group_id \
WHERE group_members.member_id = ? AND group_members.permission > 0',
(g.user['id'], )).fetchall()
cat = db.execute(
'SELECT * FROM topics \
JOIN group_members on topics.group_id=group_members.group_id \
WHERE group_members.member_id = ?', (g.user['id'], )).fetchall()
bills = db.execute(
'SELECT * FROM bills \
JOIN group_members on bills.group_id=group_members.group_id \
JOIN bill_members on bill_members.bill_id=bills.bill_id \
WHERE group_members.member_id = ? AND bills.paid = 0 AND bill_members.member_id = ?' \
, (g.user['id'], g.user['id'],)).fetchall()
for b in bills:
valid_bill_ids.add(b['bill_id'])
members = get_member_list(groups)
for gr in groups:
has_paid[gr['group_id']] = {}
for m in members[gr['group_id']]:
has_paid[gr['group_id']][m] = {}
member_data = db.execute(
'SELECT username, bill_id, member_paid \
FROM user INNER JOIN bill_members \
on user.id=bill_members.member_id \
WHERE user.username=?', (m, )).fetchall()
for entry in member_data:
if (entry['bill_id'] in valid_bill_ids):
has_paid[gr['group_id']][m][
entry['bill_id']] = entry['member_paid']
if request.method == 'POST':
if 'paid' in request.form:
db.execute(
'UPDATE bill_members SET member_paid = 1 \
WHERE bill_id = ? AND member_id=?', (
request.form['paid'],
g.user['id'],
))
db.commit()
check_paid(request.form['paid'])
return redirect(url_for('.home', username=g.user['username']))
if 'delete' in request.form:
db.execute('DELETE FROM bills WHERE bill_id = ?',
(request.form['delete'], ))
db.commit()
return redirect(url_for('.home', username=g.user['username']))
if error is not None:
flash(error)
return render_template('user/home.html',
cat=cat,
bills=bills,
groups=groups,
username=g.user['username'],
members=members,
has_paid=has_paid)
