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kontomodel.py
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kontomodel.py
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#!/usr/bin/env python3
# coding=utf-8
import os
import time
import datetime
import calendar
import re
import html
import sqlite3
class KontoModel:
def __init__(self, sqlitefile):
isExistingDB = os.path.exists(sqlitefile)
self.conn = sqlite3.connect(sqlitefile)
self.conn.row_factory = sqlite3.Row
self.cursor = self.conn.cursor()
if not isExistingDB:
with open('dbmodel.sql', 'r') as thefile:
self.conn.executescript(thefile.read())
print("initiated new database")
def close(self):
self.conn.close()
def findCategory(self, theitem, categories, unknownCategory='not categorized'):
for category in categories:
if category['compiledPattern'].search(theitem[category['field']]):
return category['category']
return unknownCategory
def getCategoriesNames(self):
result = []
for i in self.cursor.execute('SELECT DISTINCT category FROM categories ORDER BY category ASC'):
result.append(i['category'])
return result
def parseCategories(self):
result = []
for i in self.cursor.execute('SELECT rowid,* FROM categories'):
result.append({'id': i["rowid"],
'category': i['category'],
'field': i['field'],
'pattern': i['pattern'],
'compiledPattern': re.compile(i['pattern']),
'expectedValue': None if i['expectedValue'] is None or i['expectedValue'] == 'None' or len(str(i['expectedValue']).strip()) == 0 else float(i['expectedValue']),
"priority": i['priority']
})
return result
def getTransactions(self, accounts, fromDate, toDate, minAmount, maxAmount, categorySelection=None, thepattern=None):
result = []
compiledPattern = None
if thepattern is not None:
compiledPattern = re.compile(thepattern, re.IGNORECASE)
duplicatesMap = {}
allcategoriesNames = []
categories = self.parseCategories()
for cc in categories:
if cc['category'] not in allcategoriesNames:
allcategoriesNames.append(cc['category'])
sqlparts = []
sqlparam = []
if fromDate is not None:
sqlparts.append('timestamp>=?')
fromDateTimestamp = calendar.timegm(fromDate.utctimetuple())
sqlparam.append(fromDateTimestamp)
if toDate is not None:
sqlparts.append('timestamp<=?')
toDateTimestamp = calendar.timegm(toDate.utctimetuple())
sqlparam.append(toDateTimestamp)
if minAmount is not None:
sqlparts.append('amount>=?')
sqlparam.append(minAmount)
if maxAmount is not None:
sqlparts.append('amount<=?')
sqlparam.append(maxAmount)
if accounts is not None:
sqlparam.extend(accounts)
q = ','.join('?' * len(accounts))
sqlparts.append('account IN (' + q + ')')
sqlquery = None
if len(sqlparts) != 0:
sqlquery = self.cursor.execute('SELECT rowid,* FROM transactions WHERE ' + (' AND '.join(sqlparts)), sqlparam)
else:
sqlquery = self.cursor.execute('SELECT rowid,* FROM transactions')
for c in sqlquery:
if c['currency'] != '€' and c["currency"] != "EUR" and c["currency"] != "":
raise Exception('unknown currency ' + c['currency'])
thecategory = c['category']
if thecategory is None or len(thecategory) == 0:
thecategory = self.findCategory(theitem=c, categories=categories)
else:
if thecategory not in allcategoriesNames:
allcategoriesNames.append(thecategory)
notestr = ""
if c['note'] is not None:
notestr = c['note']
dupLine = str(c['timestamp']) + ' ' + str(c['amount']) + ' ' + c['name'] + ' ' + notestr
if dupLine not in duplicatesMap:
duplicatesMap[dupLine] = []
duplicatesMap[dupLine].append({"date": datetime.datetime.fromtimestamp(c["timestamp"]).strftime("%Y-%m-%d"),
"id": c["rowid"],
"name": c["name"],
"description": c["description"],
"amount": "{:.2f}".format(c["amount"]),
"amountint": c["amount"],
"currency": c["currency"],
"note": c["note"]})
if thecategory is None:
thecategory = ''
thenote = '' if c['note'] is None else c['note']
e = {'id': c['rowid'],
'timestamp': c['timestamp'],
'account': c['account'],
'amount': float(c['amount']),
'currency': c['currency'],
'name': c['name'],
'description': c['description'],
'category': thecategory,
'note': thenote}
if (categorySelection is None or thecategory in categorySelection)\
and (compiledPattern is None or compiledPattern.search('|'.join(map(str, e.values())))):
result.append(e)
foundDuplicates = []
for k, v in duplicatesMap.items():
if len(v) > 1:
foundDuplicates.extend(v)
return {"transactions": result, "foundDuplicates": foundDuplicates, "allcategoriesNames": sorted(allcategoriesNames, key=lambda x: x.lower())}
def createTransactionEntry(self, entry):
if len(entry) == 0:
return None
thetimestamp = calendar.timegm(datetime.datetime.strptime(entry["date"], '%d.%m.%Y').utctimetuple())
self.cursor.execute('INSERT INTO transactions (account,timestamp,amount,currency,name,description,category,note) VALUES (?,?,?,?,?,?,?,?)',
[entry["account"], thetimestamp, entry["amount"], entry["currency"], entry["name"], entry["description"], entry["category"], entry["note"]])
theid = self.cursor.execute('SELECT last_insert_rowid()').fetchone()[0]
self.conn.commit()
return theid
def createCategoryEntry(self, entry):
ev = None
if len(entry["expectedValue"].strip()) != 0:
ev = float(entry["expectedValue"])
self.cursor.execute('INSERT INTO categories (category,field,pattern,expectedValue,priority) VALUES (?,?,?,?,?)',
[entry["category"], entry["field"], entry["pattern"], ev, entry["priority"]])
theid = self.cursor.execute('SELECT last_insert_rowid()').fetchone()[0]
self.conn.commit()
return theid
def getAccounts(self):
q = self.cursor.execute('SELECT DISTINCT account FROM transactions ORDER BY account ASC')
result = q.fetchall()
return [i[0] for i in result]
def _buildTrace(self, thetrace, key, dateValueDict, legendonlyTraces):
if legendonlyTraces is not None and key in legendonlyTraces:
thetrace["visible"] = "legendonly"
for tracekey in sorted(dateValueDict.keys()):
thetrace['x'].append(tracekey)
thetrace['y'].append(dateValueDict[tracekey])
def _buildSumTrace(self, thetrace, key, dateValueDict, legendonlyTraces):
if legendonlyTraces is not None and key in legendonlyTraces:
thetrace["visible"] = "legendonly"
lastval = 0.0
for tracekey in sorted(dateValueDict.keys()):
thetrace['x'].append(tracekey)
lastval = lastval + dateValueDict[tracekey]
thetrace['y'].append(lastval)
def getConsolidated(self, transactions, groupBy, traceNames, sortScatterBy='timestamp', sortScatterByReverse=False, legendonlyTraces=None):
scatterlist = []
sumdict = {}
incomedict = {}
keyMap = {"category": {},
"name": {}
}
for f in transactions:
thedate = datetime.datetime.fromtimestamp(f['timestamp'])
theX = None
if groupBy == 'week':
theX = thedate.strftime('%G-week %V')
elif groupBy == 'month':
theX = thedate.strftime('%Y-%m')
elif groupBy == 'quarter':
theX = str(thedate.strftime('%Y')) + "-quarter " + str(((thedate.month-1)//3)+1)
elif groupBy == 'year':
theX = thedate.strftime('%Y')
else:
theX = thedate.strftime('%Y-%m-%d')
f['theX'] = theX
scatterlist.append(f)
if theX not in sumdict:
sumdict[theX] = 0.0
sumdict[theX] += f['amount']
for keyToMap in keyMap.keys():
if keyToMap not in f:
break
fkey = f[keyToMap]
if fkey not in keyMap[keyToMap]:
keyMap[keyToMap][fkey] = {}
xy = f['amount']
if theX in keyMap[keyToMap][fkey]:
xy = xy + keyMap[keyToMap][fkey][theX]
keyMap[keyToMap][fkey][theX] = xy
if f['amount'] > 0:
if theX not in incomedict:
incomedict[theX] = 0.0
incomedict[theX] += f['amount']
traces = {}
if 'profit' in traceNames:
profit = {'x': [], 'y': [], 'name': 'profit', 'type': 'scatter', 'line': {'color': 'red', 'dash': 'dot'}}
self._buildTrace(thetrace=profit, key="profit", dateValueDict=sumdict, legendonlyTraces=legendonlyTraces)
traces["profit"] = [profit]
if 'profitaccumulated' in traceNames:
profitaccumulated = {'x': [], 'y': [], 'name': 'profit (accumulated)', 'type': 'scatter', 'line': {'dash': 'dot'}}
self._buildSumTrace(thetrace=profitaccumulated, key="profitaccumulated", dateValueDict=sumdict, legendonlyTraces=legendonlyTraces)
traces["profitaccumulated"] = [profitaccumulated]
if 'income' in traceNames:
income = {'x': [], 'y': [], 'name': 'income', 'type': 'scatter'}
self._buildTrace(thetrace=income, key="income", dateValueDict=incomedict, legendonlyTraces=legendonlyTraces)
traces["income"] = [income]
if 'incomeaccumulated' in traceNames:
incomeaccumulated = {'x': [], 'y': [], 'name': 'income', 'type': 'scatter'}
self._buildSumTrace(thetrace=incomeaccumulated, key="incomeaccumulated", dateValueDict=incomedict, legendonlyTraces=legendonlyTraces)
traces["incomeaccumulated"] = [incomeaccumulated]
if 'traces' in traceNames:
tracesList = []
for key in sorted(keyMap["category"].keys(), key=lambda x: x.lower()):
thetrace = {'x': [], 'y': [], 'name': key, 'type': 'bar'}
self._buildTrace(thetrace=thetrace, key=key, dateValueDict=keyMap["category"][key], legendonlyTraces=legendonlyTraces)
tracesList.append(thetrace)
traces["traces"] = tracesList
if 'tracesaccumulated' in traceNames:
tracesaccumulatedList = []
for key in sorted(keyMap["category"].keys(), key=lambda x: x.lower()):
thetrace = {'x': [], 'y': [], 'name': key + ' (accumulated)', 'type': 'scatter'}
self._buildSumTrace(thetrace=thetrace, key=key, dateValueDict=keyMap["category"][key], legendonlyTraces=legendonlyTraces)
tracesaccumulatedList.append(thetrace)
traces["tracesaccumulated"] = tracesaccumulatedList
if 'nametraces' in traceNames:
nametracesList = []
for key in sorted(keyMap["name"].keys(), key=lambda x: x.lower()):
thetrace = {'x': [], 'y': [], 'name': key, 'type': 'bar'}
self._buildTrace(thetrace=thetrace, key=key, dateValueDict=keyMap["name"][key], legendonlyTraces=legendonlyTraces)
nametracesList.append(thetrace)
traces["nametraces"] = nametracesList
if 'nametracesaccumulated' in traceNames:
nametracesaccumulatedList = []
for key in sorted(keyMap["name"].keys(), key=lambda x: x.lower()):
thetrace = {'x': [], 'y': [], 'name': key + ' (accumulated)', 'type': 'scatter'}
self._buildSumTrace(thetrace=thetrace, key=key, dateValueDict=keyMap["name"][key], legendonlyTraces=legendonlyTraces)
nametracesaccumulatedList.append(thetrace)
traces["nametracesaccumulated"] = nametracesaccumulatedList
result = {'traces': traces}
if 'scatter' in traceNames:
scatter = {'timestamp': [], 'account': [], 'id': [], 'amount': [], 'category': [], 'currency': [], 'name': [], 'description': [], 'note': [], 'theX': []}
# 'mode': 'markers', 'type': 'scatter', 'visible': 'legendonly', 'name': 'Einzelumsätze', 'text': [], 'marker': {'size': 5, 'opacity': 0.5}
scatterlist = sorted(scatterlist, key=lambda x: x[sortScatterBy], reverse=sortScatterByReverse)
for x in scatterlist:
scatter['timestamp'].append(x['timestamp'])
scatter['account'].append(x['account'])
scatter['id'].append(x['id'])
scatter['amount'].append(x['amount'])
scatter['currency'].append(x['currency'])
scatter['category'].append(x['category'])
# scatter['text'].append(x['name'] + ' ' + x['title'])
scatter['name'].append(x['name'])
scatter['description'].append(x['description'])
scatter['note'].append(x['note'])
scatter['theX'].append(x['theX'])
result['scatter'] = scatter
return result
def validateRules(self, transactions):
categories = self.parseCategories()
rules = []
for c in categories:
if c["expectedValue"] is not None:
rules.append(c)
validationOverview = []
for rule in rules:
sum = 0.0
for transaction in transactions["transactions"]:
if rule['compiledPattern'].search(transaction[rule['field']]):
sum += transaction["amount"]
if sum < rule["expectedValue"]:
validationOverview.append({"type": "warning", "category": rule["category"], "current": "{:.2f}".format(sum), "expectedint": rule["expectedValue"], "expected": "{:.2f}".format(rule["expectedValue"])})
else:
validationOverview.append({"type": "ok", "category": rule["category"], "current": "{:.2f}".format(sum), "expectedint": rule["expectedValue"], "expected": "{:.2f}".format(rule["expectedValue"])})
validationOverview = sorted(validationOverview, key=lambda rr: rr["expectedint"], reverse=True)
return validationOverview
def hasEntry(self, tableName, entry):
sqlparts = []
sqlparams = []
for k, v in entry.items():
sqlparts.append(k + '=?')
sqlparams.append(v)
self.cursor.execute('SELECT * FROM ' + tableName + ' WHERE ' + (' AND '.join(sqlparts)), sqlparams)
row = self.cursor.fetchone()
if row is None:
return False
return True
def hasTransactionEntry(self, entry):
e = dict(entry)
e["timestamp"] = calendar.timegm(datetime.datetime.strptime(e["date"], '%d.%m.%Y').utctimetuple())
e.pop("date", None)
return self.hasEntry(tableName="transactions", entry=e)
def updateEntry(self, tableName, theid, entry):
sqlparts = []
sqlparams = []
for k, v in entry.items():
sqlparts.append(k + '=?')
sqlparams.append(v)
if len(sqlparams) == 0:
return False
sqlparams.append(theid)
self.cursor.execute('UPDATE ' + tableName + ' SET ' + (','.join(sqlparts)) + ' WHERE rowid=?', sqlparams)
self.conn.commit()
return True
def deleteItem(self, tableName, theid):
self.cursor.execute('DELETE FROM ' + tableName + ' WHERE rowid=?', [theid])
self.conn.commit()