def __own_transaction(self, transactionid):
return models.Transaction.query.options(
db.joinedload(models.Transaction.currency),
db.joinedload(models.Transaction.transaction_accounts),
db.joinedload(models.Transaction.transaction_categories)
).filter(
db.and_(
models.Transaction.owner_username == self.username,
models.Transaction.id == transactionid
)
).first()
def balance(self, username):
"""
Return a list :
[ <balance in account currency>, <balance in preferred currency> ]
"""
balance = db.session.query(
db.func.sum(TransactionAccount.amount)
).filter(
TransactionAccount.account_id == self.id
).one()[0]
if balance:
balances = [ self.start_balance + balance ]
else:
balances = [ self.start_balance ]
balances.append(
helpers.rate(
username,
self.currency.isocode,
coremodels.User.query.options(
db.joinedload(coremodels.User.preferred_currency)
).get(
username
).preferred_currency.isocode
) * balances[0]
)
return balances
def list(self):
contacts = models.UserContact.query.options(
db.joinedload(models.UserContact.contact)
).filter(
models.UserContact.user_username == self.username
)
return [c.as_dict() for c in contacts.all()]
def list(self):
categories = models.Category.query.order_by(
models.Category.name).options(
db.joinedload(models.Category.currency)).filter(
db.and_(models.Category.owner_username == self.username,
models.Category.parent_id == None)).all()
return [c.as_dict(self.username) for c in categories]
def totalbalance(username):
accounts = models.Account.query.options(
db.joinedload(models.Account.currency)).join(
models.AccountOwner).filter(
models.AccountOwner.owner_username == username).all()
# Calculate the total balance, in the user's preferred currency
totalbalance = 0
totalcurrency = core.User.query.options(
db.joinedload(
core.User.preferred_currency)).get(username).preferred_currency
for account in accounts:
totalbalance += account.balance(username)[0] * \
helpers.rate(username,
account.currency.isocode,
totalcurrency.isocode)
return {'balance': totalbalance, 'currency': totalcurrency.isocode}
def read(self, username):
if username == 'me' or username == self.username:
# When requesting his own information, a user gets more details
user = models.User.query.options(
db.joinedload(models.User.emails),
db.joinedload(models.User.preferred_currency)
).filter(
models.User.username == self.username
).one()
return user.as_dict(own=True)
else:
user = models.User.query.filter(
models.User.username == username
).first()
if not user:
self.notfound('This user does not exist')
return user.as_dict()
def __own_account(self, accountid):
return models.Account.query.options(
db.joinedload(models.Account.currency)
).join(models.AccountOwner).filter(
db.and_(
models.AccountOwner.owner_username == self.username,
models.Account.id == accountid
)
).first()
def __own_category(self, categoryid):
return models.Category.query.options(
db.joinedload(models.Category.currency)
).filter(
db.and_(
models.Category.owner_username == self.username,
models.Category.id == categoryid
)
).first()
def totalbalance(username):
accounts = models.Account.query.options(
db.joinedload(models.Account.currency)
).join(models.AccountOwner).filter(
models.AccountOwner.owner_username == username
).all()
# Calculate the total balance, in the user's preferred currency
totalbalance = 0
totalcurrency = core.User.query.options(
db.joinedload(core.User.preferred_currency)
).get(username).preferred_currency
for account in accounts:
totalbalance += account.balance(username)[0] * \
helpers.rate(username,
account.currency.isocode,
totalcurrency.isocode)
return {
'balance': totalbalance,
'currency': totalcurrency.isocode
}
def list(self):
categories = models.Category.query.order_by(
models.Category.name
).options(
db.joinedload(models.Category.currency)
).filter(
db.and_(
models.Category.owner_username == self.username,
models.Category.parent_id == None
)
).all()
return [c.as_dict(self.username) for c in categories]
def balance(self, username):
"""
Return a list :
[ <balance in account currency>, <balance in preferred currency> ]
"""
balance = db.session.query(db.func.sum(
TransactionAccount.amount)).filter(
TransactionAccount.account_id == self.id).one()[0]
if balance:
balances = [self.start_balance + balance]
else:
balances = [self.start_balance]
balances.append(
helpers.rate(
username, self.currency.isocode,
coremodels.User.query.options(
db.joinedload(coremodels.User.preferred_currency)).get(
username).preferred_currency.isocode) * balances[0])
return balances
def update(self, username):
if username == 'me' or username == self.username:
# A user can only modify his own information
user = models.User.query.options(
db.joinedload(models.User.emails)
).filter(
models.User.username == self.username
).one()
if 'first_name' in self.args:
user.first_name = self.args['first_name']
if 'last_name' in self.args:
user.last_name = self.args['last_name']
if 'password' in self.args and \
username not in config.DEMO_ACCOUNTS:
if 'currentpassword' in self.args and \
authentication.authenticate(
username,
self.args['currentpassword'],
False
):
if len(self.args['password']) < 8:
self.badrequest(
'Password should be at least 8 characters long')
user.passhash = sha512_crypt.encrypt(
self.args['password'],
rounds=config.PASSWORD_SALT_COMPLEXITY
)
else:
self.badrequest(
"Please provide the correct current password")
if 'preferred_currency' in self.args:
currency = models.Currency.query.filter(
db.and_(
models.Currency.isocode == self.args['preferred_currency'],
models.Currency.owner_username == None,
)
).first()
if currency:
# When preferred currency is changed, all owner's
# currencies rates must be changed
# XXX Debts amounts should also be changed... when debts will be implemented
multiplier = user.preferred_currency
multiplier = exchangerate.getrate(
user.preferred_currency.isocode,
currency.isocode
)
for c in models.Currency.query.filter(
models.Currency.owner_username == self.username
):
c.rate = c.rate * multiplier
user.preferred_currency = currency
self.add_to_response('totalbalance')
if 'emails' in self.args:
emails = json.loads(self.args['emails'])
previous_emails = []
previous_notifications = []
for address in models.UserEmail.query.filter(
models.UserEmail.user_username == self.username):
previous_emails.append(address.email_address)
if address.notification:
previous_notifications.append(address.email_address)
if type(emails) == type({}):
if 'add' in emails and \
type(emails['add']) == type([]) and \
username not in config.DEMO_ACCOUNTS:
for address in emails['add']:
# TODO Verify there is a "@" in the email address
if address not in previous_emails:
# Use random hash for email confirmation
# Email confirmation is done outside of OSPFM
# Another process must read the database and
# send confirmation emails
randomhash = os.urandom(8).encode('hex')
db.session.add(
models.UserEmail(
user_username = self.username,
email_address = address,
confirmation = randomhash
)
)
if 'remove' in emails and type(emails['remove'])==type([]):
for address in emails['remove']:
if address in previous_emails:
db.session.delete(
models.UserEmail.query.filter(
db.and_(
models.UserEmail.user_username == self.username,
models.UserEmail.email_address == address
)
).first()
)
if 'enablenotifications' in emails and \
type(emails['enablenotifications']) == type([]):
for address in emails['enablenotifications']:
if address not in previous_notifications:
models.UserEmail.query.filter(
db.and_(
models.UserEmail.user_username == self.username,
models.UserEmail.email_address == address
)
).first().notification = True
if 'disablenotifications' in emails and \
type(emails['disablenotifications']) == type([]):
for address in emails['disablenotifications']:
if address in previous_notifications:
models.UserEmail.query.filter(
db.and_(
models.UserEmail.user_username == self.username,
models.UserEmail.email_address == address
)
).first().notification = False
db.session.commit()
return self.read(username)
else:
self.forbidden('The only user you can modify is yourself')
def __own_category(self, categoryid):
return models.Category.query.options(
db.joinedload(models.Category.currency)).filter(
db.and_(models.Category.owner_username == self.username,
models.Category.id == categoryid)).first()
def create(self):
if not (
'currency' in self.args and \
'date' in self.args and \
'description' in self.args and \
'amount' in self.args
):
self.badrequest(
"Please provide transaction description, currency, amount and date")
# First, create the transaction object
currency = core.Currency.query.filter(
db.and_(
core.Currency.isocode == self.args['currency'],
db.or_(
core.Currency.owner_username == self.username,
core.Currency.owner_username == None
)
)
).first()
if not currency:
self.badrequest("This currency does not exist")
date = helpers.date_from_string(self.args['date'])
if not date:
self.badrequest("This date cannot be understood")
description = self.args['description']
if 'original_description' in self.args:
original_description = self.args['original_description']
else:
original_description = description
transaction = models.Transaction(
owner_username = self.username,
description = description,
original_description = original_description,
amount = self.args['amount'],
currency = currency,
date = date
)
db.session.add(transaction)
# Next, create the links from the transaction to its accounts
if 'accounts' in self.args:
accounts = json.loads(self.args['accounts'])
for accountdata in accounts:
transaction_accounts = []
if 'amount' in accountdata:
# If no amount is specified, do not associate the account
accountobject = models.Account.query.options(
db.joinedload(models.Account.account_owners)
).filter(
db.and_(
models.Account.id == accountdata['account'],
models.AccountOwner.owner_username == self.username,
)
).first()
if accountobject:
ta = models.TransactionAccount(
transaction = transaction,
account = accountobject,
amount = accountdata['amount'],
verified = False
)
db.session.add(ta)
self.add_to_response('accountbalance',
accountdata['account'])
self.add_to_response('totalbalance')
# Next, create the links from the transaction to its categories
if 'categories' in self.args:
categories = json.loads(self.args['categories'])
for categorydata in categories:
transaction_categories = []
if 'transaction_amount' in categorydata and \
'category_amount' in categorydata:
# If no amount is specified, do not associate the category
categoryobject = models.Category.query.options(
db.joinedload(models.Category.currency)
).filter(
db.and_(
models.Category.id == categorydata['category'],
models.Category.owner_username == self.username,
)
).first()
if categoryobject:
tc = models.TransactionCategory(
transaction = transaction,
category = categoryobject,
transaction_amount = categorydata['transaction_amount'],
category_amount = categorydata['category_amount']
)
db.session.add(tc)
self.add_to_response('categoriesbalance',
categorydata['category'])
# Commit everything...
db.session.commit()
return transaction.as_dict(self.username)
def __filter(self, filter):
filters = [
models.Transaction.owner_username == self.username,
]
limit = 100
after = False
for part in filter.items():
if part[0] in filter_functions:
filters.extend(
filter_functions[part[0]](part[1])
)
elif part[0] == 'limit':
try:
limit = min(int(part[1]), 100)
except:
pass
elif part[0] == 'after':
try:
after = int(part[1])
except:
pass
if after:
# Get offset of the "from" transaction
# XXX: Is there a more efficient way to do so ?
all_transactions = db.session.query(models.Transaction.id).order_by(
db.desc(models.Transaction.date)
).filter(
db.and_(
*filters
)
)
all_ids = [t.id for t in all_transactions]
try:
offset = all_ids.index(after) + 1
except:
offset = 0
transactions = models.Transaction.query.options(
db.joinedload(models.Transaction.currency),
db.joinedload(models.Transaction.transaction_accounts),
db.joinedload(models.Transaction.transaction_categories)
).order_by(
db.desc(models.Transaction.date)
).filter(
db.and_(
*filters
)
).offset(offset).limit(limit)
return [t.as_dict(self.username) for t in transactions]
else:
transactions = models.Transaction.query.options(
db.joinedload(models.Transaction.currency),
db.joinedload(models.Transaction.transaction_accounts),
db.joinedload(models.Transaction.transaction_categories)
).order_by(
db.desc(models.Transaction.date)
).filter(
db.and_(
*filters
)
).limit(limit)
return [t.as_dict(self.username) for t in transactions]
def update(self, transactionid):
transaction = self.__own_transaction(transactionid)
if not transaction:
self.notfound(
'Nonexistent transaction cannot be modified (or you do not own it)')
# First, modifications on the Transaction object itself
if 'description' in self.args:
desc = self.args['description']
if desc.strip() == '':
transaction.description = transaction.original_description
else:
transaction.description = desc
if 'amount' in self.args:
transaction.amount = self.args['amount']
if 'currency' in self.args:
currency = core.Currency.query.filter(
db.and_(
core.Currency.isocode == self.args['currency'],
db.or_(
core.Currency.owner_username == self.username,
core.Currency.owner_username == None
)
)
).first()
if currency:
transaction.currency = currency
if 'date' in self.args:
date = helpers.date_from_string(self.args['date'])
if date:
transaction.date = date
# Next, update accounts
if 'accounts' in self.args:
existing_accounts = dict([ta.as_tuple() for ta in
transaction.transaction_accounts])
new_accounts_data = json.loads(self.args['accounts'])
for account_data in new_accounts_data:
if 'amount' in account_data and 'account' in account_data:
amount = account_data['amount']
accountid = account_data['account']
if accountid in existing_accounts.keys():
# Account already linked...
if existing_accounts[accountid] != amount:
# ...but the amount is different
ta = models.TransactionAccount.query.filter(db.and_(
models.TransactionAccount.transaction == transaction,
models.TransactionAccount.account_id == accountid
)).one()
ta.amount = amount
ta.verified = False
self.add_to_response('accountbalance', accountid)
existing_accounts.pop(accountid)
else:
# Account is not already linked
# Verify the account is owned by the user
accountobject = models.Account.query.options(
db.joinedload(models.Account.account_owners)
).filter(
db.and_(
models.Account.id == accountid,
models.AccountOwner.owner_username == self.username
)
).first()
if accountobject:
ta = models.TransactionAccount(
transaction = transaction,
account = accountobject,
amount = amount,
verified = False
)
self.add_to_response('accountbalance', accountid)
db.session.add(ta)
# All accounts to keep have been poped out from "existing_accounts"
# Delete all links remaining from this transaction to accounts
for accountid in existing_accounts.keys():
ta = models.TransactionAccount.query.filter(db.and_(
models.TransactionAccount.transaction == transaction,
models.TransactionAccount.account_id == accountid
)).one()
self.add_to_response('accountbalance', accountid)
db.session.delete(ta)
self.add_to_response('totalbalance')
# Then, update categories
if 'categories' in self.args:
existing_categories = dict([tc.as_tuple() for tc in
transaction.transaction_categories])
new_categories_data = json.loads(self.args['categories'])
for category_data in new_categories_data:
if 'transaction_amount' in category_data and \
'category_amount' in category_data and \
'category' in category_data:
transaction_amount = category_data['transaction_amount']
category_amount = category_data['category_amount']
categoryid = category_data['category']
if categoryid in existing_categories.keys():
# Category already linked...
if existing_categories[categoryid]['category_amount'] \
!= category_amount:
# ...but the amount is different
tc = models.TransactionCategory.query.filter(db.and_(
models.TransactionCategory.transaction == transaction,
models.TransactionCategory.category_id == categoryid
)).one()
tc.transaction_amount = transaction_amount
tc.category_amount = category_amount
tc.verified = False
self.add_to_response('categoriesbalance',
categoryid)
existing_categories.pop(categoryid)
else:
# Category is not already linked
# Verify the category is owned by the user
categoryobject = models.Category.query.filter(
db.and_(
models.Category.id == categoryid,
models.Category.owner_username == self.username
)
).first()
if categoryobject:
tc = models.TransactionCategory(
transaction = transaction,
category = categoryobject,
transaction_amount = transaction_amount,
category_amount = category_amount
)
self.add_to_response('categoriesbalance',
categoryid)
db.session.add(tc)
# All categories to keep have been poped out from
# "existing_categories"
# Delete all links remaining from this transaction to categories
for categoryid in existing_categories.keys():
tc = models.TransactionCategory.query.filter(db.and_(
models.TransactionCategory.transaction == transaction,
models.TransactionCategory.category_id == categoryid
)).one()
self.add_to_response('categoriesbalance', categoryid)
db.session.delete(tc)
db.session.commit()
return transaction.as_dict(self.username)
