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money.py
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money.py
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#!/usr/bin/python3
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
import mysql.connector
import os
import csv
class Budget():
def __init__(self):
self.home_directory = os.getcwd()
self.dialog_and_process = False
config = {
'password':'cashmoney',
'user':'python',
'database':'cash'
}
self.sql = mysql.connector.connect(**config)
def category_varies_exists(self):
cur = self.sql.cursor()
cur.execute("SELECT COUNT(*) FROM vendor WHERE category = 'Varies'")
result = cur.fetchone()[0]
cur.close()
return result > 0
def create_budget_columns(self):
cur = self.sql.cursor()
columns = []
cur.execute('SELECT DISTINCT category FROM vendor')
for col in cur.fetchall():
cur.execute('ALTER TABLE budget ADD `' + col[0] + '` DECIMAL(7,2) DEFAULT 0.00')
cur.close()
def create_budget_row(self, date):
cur = self.sql.cursor()
query = ("SELECT COUNT(*) FROM budget WHERE month = MONTH(%s) AND year = YEAR(%s)")
cur.execute(query, (date, date))
result = cur.fetchone()[0]
if result == 0:
cur.execute("INSERT INTO budget (month,year) VALUES(MONTH(%s),YEAR(%s))", (date ,date))
else:
pass
self.sql.commit()
cur.close()
def create_vendor(self, v):
cur = self.sql.cursor()
query = ('SELECT COUNT(*) FROM vendor WHERE name = "' + v +'"')
cur.execute(query)
result = cur.fetchone()[0]
if result == 0:
cur.execute("INSERT INTO vendor VALUES(%s,%s,%s)", (v,v,v))
query = ("ALTER TABLE budget ADD `" + v + "` DECIMAL(7,2) DEFAULT 0.00")
cur.execute(query)
self.sql.commit()
cur.close()
def get_aliases(self):
cur = self.sql.cursor()
cur.execute("SELECT DISTINCT alias FROM vendor WHERE name != alias")
alist = []
for i in cur:
alist.append(i[0])
cur.close()
return alist
def get_alias_and_category(self, vendor):
cur = self.sql.cursor()
query = ('SELECT alias, category FROM vendor where name = "' + vendor + '"')
cur.execute(query)
result = cur.fetchone()
cur.close()
alias = result[0]
category = result[1]
return alias,category
def get_indexes(self):
cur = self.sql.cursor()
cur.execute('SELECT idx FROM transaction')
indexes = []
for i in cur:
indexes.append(i[0])
cur.close()
return indexes
def get_transactions_by_vendor(self,vendor):
cur = self.sql.cursor()
cur.execute('SELECT vendor, date, amount FROM transaction where vendor = "' +
vendor + '"')
result = cur.fetchall()
cur.close()
return result
def get_vendor_category(self):
cur = self.sql.cursor()
cur.execute("SELECT DISTINCT category FROM vendor WHERE name != category")
name_list = []
for i in cur:
name_list.append(i[0])
cur.close()
name_list.sort()
return name_list
def get_vendor_same_name_and_category(self):
cur = self.sql.cursor()
query = ("SELECT name FROM vendor WHERE name = category OR name = alias")
cur.execute(query)
name_list = []
for i in cur:
name_list.append(i[0])
cur.close()
return name_list
def insert_transaction(self,date,amount,vendor,alias,category):
cur = self.sql.cursor()
cur.execute("INSERT INTO transaction VALUES(%s,%s,%s,%s,%s,%s)",
('NULL', date, amount, vendor, alias, category))
self.create_budget_row(date)
query = ("UPDATE budget SET `" + category +"` = `" + category + "` + " + str(amount) +
"WHERE month = MONTH(%s) AND year = YEAR(%s)")
cur.execute(query, (date,date))
self.sql.commit()
cur.close()
def is_new_transaction(self,date,vendor,amount):
cur = self.sql.cursor()
cur.execute(
"SELECT COUNT(*) FROM transaction WHERE date = %s AND amount = %s",
(date,amount))
val =( cur.fetchone()[0] == 0)
cur.close()
return val
def process_directory(self):
files = os.listdir('files')
os.chdir('files')
for f in files:
self.process_csv(f)
# print(f)
self.refresh_categories()
def process_csv(self,filename):
f_obj = open(filename, 'r')
reader = csv.DictReader(f_obj)
if reader.fieldnames[1] == "Trans Date":
self.source = 'Visa'
self.date = 'Trans Date'
self.vendor = 'Description'
elif reader.fieldnames[1] == "Date":
self.source = 'Google'
self.date = 'Date'
self.vendor = 'Place'
else:
self.date = 'Date'
self.vendor = 'Name'
self.source = 'US'
for row in reader:
self.process_row(row)
f_obj.close()
def process_date(self,s):
parts = s.split('/')
return (parts[2] + '-' + parts[0] + '-' + parts[1])
def process_row(self, row):
date = self.process_date(row[self.date])
amount = float(row['Amount'].replace('$','').replace(',',''))
vendor = row[self.vendor].strip()
if self.is_new_transaction(date,vendor,amount):
self.create_vendor(vendor)
alias, category = self.get_alias_and_category(vendor)
self.insert_transaction(date,amount,vendor,alias,category)
def refresh_budget_category(self,category):
cur = self.sql.cursor()
cur.execute("SELECT DISTINCT month,year FROM budget")
result = cur.fetchall()
cur.close()
for month,year in result:
self.refresh_budget_category_row(category,month,year)
def refresh_budget_category_row(self,category,month,year):
cur = self.sql.cursor()
query = ("UPDATE budget SET `")
query += category
query += ("` = (SELECT SUM(amount) FROM transaction WHERE MONTH(date) = %s AND YEAR(date) = %s AND category = %s) WHERE MONTH = %s AND YEAR = %s")
cur.execute(query, (month,year,category,month,year))
cur.execute("UPDATE budget SET `%s` = 0.00 WHERE `%s` IS NULL" %(category,category))
self.sql.commit()
cur.close()
def refresh_categories(self):
cur = self.sql.cursor()
cur.execute("SELECT DISTINCT category FROM vendor")
result = cur.fetchall()
cur.close()
for row in result:
self.refresh_budget_category(row[0])
def remove_duplicate_transactions(self):
indexes = self.get_indexes()
cur = self.sql.cursor()
for index in indexes[:-1]:
cur.execute('SELECT date,vendor,amount FROM transaction WHERE idx = ' + str(index))
transaction = cur.fetchall()
if len(transaction) == 1:
transaction = transaction[0]
for j in indexes[indexes.index(index) + 1:]:
cur.execute('SELECT date,vendor,amount FROM transaction WHERE idx = ' + str(j))
transaction1 = cur.fetchall()
if len(transaction1) == 1:
transaction1 = transaction1[0]
is_duplicate = True
for k in range(len(transaction)):
if transaction[k] != transaction1[k]:
is_duplicate = False
if is_duplicate:
cur.execute('DELETE FROM transaction WHERE idx = ' + str(j))
self.sql.commit()
cur.close()
def update_alias(self,name,newalias):
cur = self.sql.cursor()
query = ('SELECT * FROM vendor WHERE name = "' + name + '"')
cur.execute(query)
result = cur.fetchone()
if newalias != result[1]:
query = ('UPDATE vendor SET alias = "' + newalias + '" WHERE name = "' + name+'"')
cur.execute(query)
query = ('UPDATE transaction SET alias = "' + newalias + '" WHERE vendor = "' + name+'"')
cur.execute(query)
self.sql.commit()
cur.close()
def update_vendor_category(self,name,newcategory):
cur = self.sql.cursor()
query = ('SELECT category FROM vendor WHERE name = "' + name + '"')
cur.execute(query)
result = cur.fetchone()
oldcategory = result[0]
if newcategory != oldcategory:
query = ('UPDATE vendor SET category = "' + newcategory + '" WHERE name = "' + name+'"')
cur.execute(query)
query = ('UPDATE transaction SET category = "' + newcategory + '" WHERE vendor = "' + name+'"')
cur.execute(query)
# See if now there exists more than one vendor with a category of name 'newcategory'
query = ("SELECT COUNT(*) FROM vendor WHERE category = '" + newcategory + "'" )
cur.execute(query)
if cur.fetchone()[0] > 1:
# if there are more than one, resum the new category
self.refresh_budget_category(newcategory)
# and then try to remove oldcategory as column from cash.budget
# if no vendors have it as a category
query = ('SELECT COUNT(*) FROM vendor WHERE category = "' + oldcategory + '"' )
cur.execute(query)
if cur.fetchone()[0] == 0:
query = ("ALTER TABLE budget DROP `" + oldcategory + "`" )
cur.execute(query)
else:
# otherwise just rename the category
query = ("ALTER TABLE budget CHANGE `"+ oldcategory + "` `" + newcategory + "` DECIMAL(7,2) DEFAULT 0.00")
cur.execute(query)
self.sql.commit()
cur.close()
def update_table(self,month):
pass