Rewrote the application in Python/Flask/SQLAlchemy

src/api/model/entries.py

@@ -0,0 +1,33 @@
+from app import app
+from app import db
+
+from api.model.accounts import Account
+
+from sqlalchemy import func, desc
+from sqlalchemy.orm import column_property
+from sqlalchemy.sql import func, select
+
+from collections import OrderedDict
+
+class Entry(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    value_date = db.Column(db.Date, nullable = False)
+    operation_date = db.Column(db.Date, nullable = True)
+    label = db.Column(db.String(500), nullable = False)
+    value = db.Column(db.Numeric(15, 2), nullable = False)
+    account_id = db.Column(db.Integer, db.ForeignKey('account.id'))
+
+    account = db.relationship(Account, backref = db.backref('entry', lazy="Dynamic"))
+
+    category = db.Column(db.String(100), nullable = True)
+    sold = column_property(func.sum(value).over(order_by="value_date, operation_date, label desc, value desc"))
+    pointedsold = column_property(func.sum(value).over(partition_by="operation_date is not null", order_by="value_date, operation_date, label desc, value desc"))
+
+    def __init__(self, value_date, label, value, account_id, operation_date = None, category = None):
+        self.value_date = value_date
+        self.operation_date = operation_date
+        self.label = label
+        self.value = value
+        self.account_id = account_id
+        self.category = category
+