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A telegram bot calculating communal expenses for hot, coldwater, for water disposing, and for electricity in Moscow.

• JDK17 - OpenJDK HotSpot, for example.
• Postgres database - Seesrc/main/sql/create-tables.sql scriptto create mandatory tables.Put connection URL indburl system property.
• Token taken fromBotFather bot.Put the token intotoken system property.

• User selects "new calculation"
• bot: enter cold water last meter readings
• user: enters
• bot: enter hot water current meter readings
• user: enters
• bit: repeats the same questions for hot water and electricity
• bot: parses the pages from links below, finds prices,for current date and calculates payment amounts.
• bot: send a message to user in following format:

Cold water:- the price sets from 01.07.2020- amount to pay: 3456 RUB (123L × 123 RUB/L)Hot water:- the price sets from 01.08.2020- amount to pay: 3456 RUB (123L × 123 RUB/L)Water disposal:- the price sets from 01.09.2020- amount to pay: 3456 RUB (345L × 123 RUB/L)Electricity:- the price sets from 01.10.2020- amount to pay: 3456 RUB (123KW × 123 RUB/KW)

• Cold water and disposing
• Hot water
• Electricity

It hosts onhttps://heroku.comand available herehttps://t.me/moskommunalbot