accountant/api/controller/accounts.py

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"""
This file is part of Accountant.
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Accountant is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Foobar is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Accountant. If not, see <http://www.gnu.org/licenses/>.
"""
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from .. import api
from ..model import db
from ..model.accounts import Account
from ..model.entries import Entry
from ..model.operations import Operation
from flask import json, request
from sqlalchemy import func, case, cast, extract, distinct
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@api.route("/accounts", methods=["GET"])
def get_accounts():
"""
Returns accounts with their solds.
"""
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session = db.session
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query = session.query(
Account.id.label("id"),
Account.name.label("name"),
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Account.authorized_overdraft.label("authorized_overdraft"),
func.sum(Entry.value).label("future"),
func.sum(case([(Entry.pointed, Entry.value,)], else_=cast(0, db.Numeric(15, 2)))).label("pointed"),
func.sum(case([(Entry.operation_date < func.now(), Entry.value,)], else_=cast(0, db.Numeric(15, 2)))).label("current")
).outerjoin(Entry).group_by(Account.id).order_by(Account.id)
return json.dumps([{
"id": i.id,
"name": i.name,
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"authorized_overdraft": i.authorized_overdraft,
"current": str(i.current),
"pointed": str(i.pointed),
"future": str(i.future)
} for i in query.all()])
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@api.route("/accounts/<account_id>/<year>/<month>/")
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def get_account_status(account_id, year, month):
session = db.session
query = session.query(
func.sum(case([(func.sign(Operation.value) == -1, Operation.value)], else_=0)).label("expenses"),
func.sum(case([(func.sign(Operation.value) == 1, Operation.value)], else_=0)).label("revenues"),
func.sum(Operation.value).label("balance")
).filter(
Operation.account_id == account_id
).filter(
func.date_trunc('month', Operation.operation_date) == "%s-%s-01" % (year, month)
).group_by(Operation.account_id)
if query.count() == 1:
result = query.one()
revenues = result.revenues
expenses = result.expenses
balance = result.balance
else:
revenues = 0.0
expenses = 0.0
balance = 0.0
return json.dumps({
"expenses": str(expenses),
"revenues": str(revenues),
"balance": str(balance)
})
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@api.route("/accounts/<account_id>/months")
def get_months(account_id):
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session = db.session
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query = session.query(
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distinct(func.lpad(cast(extract("year", Entry.operation_date), db.String), 4, '0')).label("year"),
func.lpad(cast(extract("month", Entry.operation_date), db.String), 2, '0').label("month")
).filter(Entry.account_id == account_id).order_by("year", "month")
return json.dumps([{
"year": i.year,
"month": i.month.rjust(2, '0')
} for i in query.all()])
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@api.route("/accounts", methods=["PUT"])
def add_account():
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session = db.session
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try:
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account = Account(request.json['name'], request.json['authorized_overdraft'])
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session.add(account)
session.commit()
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return json.dumps("Account added.")
except:
session.rollback()
raise
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@api.route("/accounts/<account_id>", methods=["PUT"])
def update_account(account_id):
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session = db.session
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try:
account = session.query(Account).filter(Account.id == account_id).first()
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account.name = request.json['name']
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account.authorized_overdraft = request.json['authorized_overdraft']
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session.merge(account)
session.commit()
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return json.dumps("Account #%s updated." % account_id)
except:
session.rollback()
raise
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@api.route("/accounts/<account_id>", methods=["DELETE"])
def delete_account(account_id):
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session = db.session
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try:
account = session.query(Account).filter(Account.id == account_id).first()
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session.delete(account)
session.commit()
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return json.dumps("Account #%s deleted." % account_id)
except:
session.rollback()
raise