from utilities.helper import Helper

from django.db import connection

from utilities.trade_status import Status
from utilities.trade_levels import Levels
from utilities.state_keys import StatKeys
from utilities.trading import Trading

import pandas as pd

from datetime import datetime
import json
from django.http import JsonResponse

created_date = Helper.get_current_time_formatted()


def level_based_search(request):
    ac = Authentication(request)
    # if user is not logged in redirect to login page
    if not ac.is_user_logged_in():
        return redirect('/login')

    data = dict()
    data['results'] = []
    if request.method == "POST":
        form = request.POST['form']
        if form == "search":
            data['results'] = search(request)
예제 #2
0
def create_trade(req):
    post = req.POST
    currency = post['currency']
    time_to_close = post['time_to_close']
    time_slot = post['time_slot']
    time_count = post['time_count']
    end_date = post['end_date']
    end_time = post['end_time']
    amount = post['amount']
    gap_pips = post['gap_pips']
    select_level = post['select_level']
    purchase = post['purchase']
    trade_type = 'levels'
    start_time = datetime.now()

    ac = Authentication(req)
    user_id = ac.get_user_session()

    trade_start_time = datetime.now()
    error_messages = []
    error_messages.extend(Trading.validate_currency(currency))
    error_messages.extend(validate_pip_gaps(gap_pips))
    error_messages.extend(validate_levels(select_level))
    error_messages.extend(Trading.validate_time_to_close(time_to_close))
    error_messages.extend(
        Trading.validate_closing_types(time_to_close, time_slot, time_count,
                                       end_date, end_time))
    error_messages.extend(Trading.validate_amount(amount, user_id))
    error_messages.extend(
        validated_end_date(time_to_close, end_date, end_time, time_slot,
                           time_count, start_time))
    # final method to get selected levels
    levels_price = get_price_range_by_level(currency, gap_pips, purchase)

    # final method to get selected level
    selected_level = get_selected_level(select_level, currency, gap_pips,
                                        purchase)

    # final method to get trade closing time
    trade_closing_time = get_trade_end_time(time_to_close, end_date, end_time,
                                            time_slot, time_count, start_time)
    error_messages.extend(Trading.validate_close_time_day(trade_closing_time))
    error_messages.extend(Trading.validate_end_time(trade_closing_time))

    if error_messages:
        return JsonResponse(Helper.get_json_response(False, {},
                                                     error_messages))
    price = Helper.get_current_price(currency)
    changes_allowed_time = Trading.get_trade_changing_blocked_time(
        start_time, trade_closing_time)
    level_owners = get_level_owner(select_level, user_id)

    time_now_formatted = Helper.get_current_time_formatted()

    time_now = datetime.strptime(time_now_formatted, '%Y-%m-%d %H:%M:%S.%f%z')

    purchase_type = Trading.get_trade_type(purchase)
    available_levels = get_available_levels(Levels.levels.value, select_level)

    current_user = Helper.get_user_by_id(user_id)
    user_currency = current_user['currency']
    user_transaction = TransactionsByUser(user_id=user_id,
                                          created_date=time_now)
    user_transaction.save()

    query = f"SELECT * FROM transactions_by_user WHERE user_id = {user_id} and created_date = '{time_now_formatted}'"
    cursor = connection.cursor()
    transaction_id = cursor.execute(query)
    transaction_id = transaction_id[0]["id"]

    user_transactions = f"INSERT INTO user_transactions " \
                        f"(transaction_id,user_id,created_date,trade_type,purchase_type,currency,staring_price,amount," \
                        f"start_time,end_time,changes_allowed_time,outcome,status,level_pips, levels_price,level_owners," \
                        f"join_date,level_start_price,level_end_price,level_selected,created_by,child," \
                        f"available_levels,amount_currency) " \
                        f"VALUES " \
                        f"({transaction_id},{user_id},'{time_now_formatted}','{Types.LEVELS.value}','{purchase_type}'," \
                        f"'{currency}',{float(price)},{float(amount)},'{Helper.get_time_formatted(trade_start_time)}'," \
                        f"'{Helper.get_time_formatted(trade_closing_time)}'," \
                        f"'{Helper.get_time_formatted(changes_allowed_time)}','{Outcome.NONE.value}'," \
                        f"'{Status.STARTED.value}',{int(gap_pips)},'{json.dumps(levels_price)}','{level_owners}'," \
                        f"'{time_now_formatted}',{selected_level['range'][0]},{selected_level['range'][1]}," \
                        f"{selected_level['level']},{user_id},{False},{available_levels},'{current_user['currency']}')"
    cursor.execute(user_transactions)

    transactions_by_state = f"INSERT INTO transactions_by_state " \
                            f"(transaction_id,user_id,currency,purchase_type,outcome,status,created_date,amount," \
                            f"trade_type) " \
                            f"VALUES " \
                            f"({transaction_id},{user_id},'{currency}','{purchase_type}','{Outcome.NONE.value}'," \
                            f"'{Status.STARTED.value}','{time_now_formatted}',{float(amount)},'{Types.LEVELS.value}')"
    cursor.execute(transactions_by_state)

    transactions_levels_status = f"INSERT INTO transactions_levels_status " \
                                 f"(transaction_id,user_id,outcome,purchase_type,currency,status,created_date,amount," \
                                 f"trade_type,start_time,end_time,available_levels,amount_currency) " \
                                 f"VALUES " \
                                 f"({transaction_id},{user_id},'{Outcome.NONE.value}','{purchase_type}','{currency}'," \
                                 f"'{Status.STARTED.value}','{time_now_formatted}',{float(amount)}," \
                                 f"'{Types.LEVELS.value}','{Helper.get_time_formatted(trade_start_time)}'," \
                                 f"'{Helper.get_time_formatted(trade_closing_time)}',{available_levels}, '{user_currency}')"

    cursor.execute(transactions_levels_status)

    transactions_by_end_time = f"INSERT INTO transactions_by_end_time " \
                               f"(transaction_id,user_id,status,trade_type,end_time) " \
                               f"VALUES " \
                               f"({transaction_id},{user_id},'{Status.STARTED.value}','{Types.LEVELS.value}'," \
                               f"'{Helper.get_time_formatted(trade_closing_time)}')"

    cursor.execute(transactions_by_end_time)

    transactions_changes_allowed_time = f"INSERT INTO transactions_changes_allowed_time " \
                                        f"(transaction_id,user_id,status,changes_allowed_time) " \
                                        f"VALUES " \
                                        f"({transaction_id},{user_id},'{Status.STARTED.value}'," \
                                        f"'{Helper.get_time_formatted(changes_allowed_time)}')"

    cursor.execute(transactions_changes_allowed_time)

    level_based_user_counts = f"INSERT INTO level_based_user_counts " \
                              f"(transaction_id,user_count) " \
                              f"VALUES " \
                              f"({transaction_id},1)"

    cursor.execute(level_based_user_counts)

    level_based_user_levels = f"INSERT INTO level_based_user_levels " \
                              f"(transaction_id,level_number) " \
                              f"VALUES " \
                              f"({transaction_id},{selected_level['level']})"

    cursor.execute(level_based_user_levels)

    level_based_by_user_id = f"INSERT INTO level_based_by_user_id " \
                             f"(transaction_id,owner,user_id) " \
                             f"VALUES " \
                             f"({transaction_id},{True},{user_id})"

    cursor.execute(level_based_by_user_id)

    updated_amount = float(current_user['vcurrency']) - float(amount)
    # update account balance
    user_vcurrency = f"UPDATE  user_by_id SET vcurrency = {updated_amount} WHERE id = {user_id}"
    cursor.execute(user_vcurrency)
    Helper.store_state_value(user_id, StatKeys.BALANCE.value, amount,
                             'subtract')
    Helper.store_state_value(user_id, StatKeys.NUM_TRADES.value, 1, 'add')
    Helper.store_state_value(user_id, StatKeys.LEVELS.value, 1, 'add')
    Trading.save_purchase_stats(user_id, purchase_type)
    Trading.save_levels_stats(user_id, select_level)
    Trading.save_levels_general_stats(user_id, select_level, amount,
                                      purchase_type)
    return JsonResponse(
        Helper.get_json_response(True, {
            'transaction_id': str(transaction_id),
            "user_id": str(user_id)
        }, ['Trade created successfully']))