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# Create your views here.

import decimal, re

from django.conf import settings

from django.shortcuts import render_to_response

from django.core.urlresolvers import reverse

from django.core.context_processors import csrf

from django.http import HttpResponse, HttpResponseRedirect, HttpResponseNotAllowed, Http404

from signup.decorators import has_profile

from modules import curiousorm, utils





db = curiousorm.Database(settings.DEMO_DSN)





_HANDOFF_FIELD = re.compile('^handoff-(\d{1,13})-(\d{1,13})-(\d{1,13})$')





@has_profile(db)

def show_unconfirmed_transactions(request, user, tmpl):

    if request.method == 'POST':

        

        # TODO: Do not rely on the garbage collector for connection closing.

        confirmed = 0

        trx = db.transaction()

        for field_name in request.POST:

            hof = _HANDOFF_FIELD.match(field_name)

            if hof:

                turn_id, issuer_id, deal_id = (int(i) for i in hof.group(1, 2, 3))

                trx.confirm_transaction(turn_id, user['trader_id'], issuer_id, deal_id)

                confirmed += 1

        trx.commit()



        return HttpResponseRedirect(reverse(

            report_transactions_confirmation,

            args=[user['trader_id'], confirmed]))

    

    transactions = db.select_unconfirmed_transaction_list(

        recipient_id=user['trader_id'],

        __order_by='ts DESC')

    

    # Render everything adding CSRF protection.

    c = {'user': user, 'transactions' : transactions }

    c.update(csrf(request))

    return render_to_response(tmpl, c)        





@has_profile(db)

def report_transactions_confirmation(request, user, count, tmpl):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





@has_profile(db)

def show_unconfirmed_deals(request, user, tmpl):

    if request.method == 'POST':



        # TODO: Do not rely on the garbage collector for connection closing.

        confirmed = 0

        trx = db.transaction()

        for field_name in request.POST:

            if field_name.startswith('turn-'):

                confirmed += trx.delete_finalized_session(user['trader_id'], int(field_name[5:]))

        #trx.commit()

        trx.rollback()



        return HttpResponseRedirect(reverse(

            report_deals_confirmation,            

            args=[user['trader_id'], confirmed]))

        

    new_deals = db.select_new_deal_list(

            recipient_id=user['trader_id'],

            __order_by='ts DESC')



    turns = set([d['turn_id'] for d in new_deals])

    

    c = {'user': user, 'new_deals' : new_deals, 'turns': turns }

    c.update(csrf(request))

    return render_to_response(tmpl, c)        





@has_profile(db)

def report_deals_confirmation(request, user, count, tmpl):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





@has_profile(db)

def show_customer_transactions(request, user, year, mounth, day, tmpl):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





def show_todays_customer_transactions(request, user):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





@has_profile(db)

def show_customer_deals(request, user, year, mounth, day, tmpl):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





def show_todays_customer_deals(request, user):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





@has_profile(db)

def show_my_deals(request, user, year, mounth, day, tmpl):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)





def show_my_todays_deals(request, user):



    # Render everything adding CSRF protection.            

    c = {'user': user, 'count': int(count) }

    c.update(csrf(request))

    return render_to_response(tmpl, c)