Produits Entr'ouvert » Calebasse

# -*- coding: utf-8 -*-

import tempfile

from datetime import date, datetime

from dateutil.relativedelta import relativedelta

from decimal import Decimal

from django.db import models

from django.db.models import Max, Q

from model_utils import Choices

from calebasse.dossiers.models import PatientRecord

from calebasse.ressources.models import ServiceLinkedManager, PricePerAct

import list_acts

import progor

def social_security_id_full(nir):

    old = nir

    try:

        # Corse dpt 2A et 2B

        minus = 0

        if nir[6] in ('A', 'a'):

            nir = [c for c in nir]

            nir[6] = '0'

            nir = ''.join(nir)

            minus = 1000000

        elif nir[6] in ('B', 'b'):

            nir = [c for c in nir]

            nir[6] = '0'

            nir = ''.join(nir)

            minus = 2000000

        nir = int(nir) - minus

        return old + ' %0.2d' % (97 - (nir % 97))

    except Exception, e:

        return old + ' 00'

def quarter_start_and_end_dates(today=None):

    '''Returns the first and last day of the current quarter'''

    if today is None:

        today = date.today()

    quarter = (today.month - 1) / 3

    start_date = date(day=1, month=((quarter*3) + 1), year=today.year)

    end_date = start_date + relativedelta(months=3) + relativedelta(days=-1)

    return start_date, end_date

class InvoicingManager(ServiceLinkedManager):

    def current_for_service(self, service):

        '''Return the currently open invoicing'''

        if service.name != 'CMPP':

            start_date, end_date = quarter_start_and_end_dates()

            invoicing, created = \

                self.get_or_create(start_date=start_date,

                end_date=end_date, service=service)

            if created:

                invoicing.status = Invoicing.STATUS.closed

                invoicing.save()

        else:

            try:

                invoicing = self.get(service=service,

                        status=Invoicing.STATUS.open)

            except Invoicing.DoesNotExist:

                today = date.today()

                start_date = date(day=today.day, month=today.month, year=today.year)

                invoicing, created = self.get_or_create(service=service,

                    start_date=start_date,

                    status=Invoicing.STATUS.open)

        return invoicing

    def last_for_service(self, service):

        current = self.current_for_service(service)

        last_seq_id = current.seq_id - 1

        try:

            return self.get(service=service,

                seq_id=last_seq_id)

        except:

            return None

def build_invoices_from_acts(acts_diagnostic, acts_treatment):

    invoices = {}

    len_invoices = 0

    len_invoices_hors_pause = 0

    len_acts_invoiced = 0

    len_acts_invoiced_hors_pause = 0

    pricing = PricePerAct.pricing()

    for patient, acts in acts_diagnostic.items():

        invoices[patient] = []

        act, hc = acts[0]

        invoice = dict()

        invoice['ppa'] = pricing.price_at_date(act.date)

        invoice['year'] = act.date.year

        invoice['acts'] = [(act, hc)]

        if len(acts) > 1:

            for act, hc in acts[1:]:

                if invoice['ppa'] != pricing.price_at_date(act.date) or \

                        invoice['year'] != act.date.year:

                    invoices[patient].append(invoice)

                    len_invoices = len_invoices + 1

                    len_acts_invoiced = len_acts_invoiced + len(invoice['acts'])

                    if not patient.pause:

                        len_invoices_hors_pause = len_invoices_hors_pause + 1

                        len_acts_invoiced_hors_pause = len_acts_invoiced_hors_pause + len(invoice['acts'])

                    invoice = dict()

                    invoice['ppa'] = pricing.price_at_date(act.date)

                    invoice['year'] = act.date.year

                    invoice['acts'] = [(act, hc)]

                else:

                    invoice['acts'].append((act, hc))

        invoices[patient].append(invoice)

        len_invoices = len_invoices + 1

        len_acts_invoiced = len_acts_invoiced + len(invoice['acts'])

        if not patient.pause:

            len_invoices_hors_pause = len_invoices_hors_pause + 1

            len_acts_invoiced_hors_pause = len_acts_invoiced_hors_pause + len(invoice['acts'])

    pricing = PricePerAct.pricing()

    for patient, acts in acts_treatment.items():

        if not patient in invoices:

            invoices[patient] = []

        act, hc = acts[0]

        invoice = dict()

        invoice['ppa'] = pricing.price_at_date(act.date)

        invoice['year'] = act.date.year

        invoice['acts'] = [(act, hc)]

        if len(acts) > 1:

            for act, hc in acts[1:]:

                if invoice['ppa'] != pricing.price_at_date(act.date) or \

                        invoice['year'] != act.date.year:

                    invoices[patient].append(invoice)

                    len_invoices = len_invoices + 1

                    len_acts_invoiced = len_acts_invoiced + len(invoice['acts'])

                    if not patient.pause:

                        len_invoices_hors_pause = len_invoices_hors_pause + 1

                        len_acts_invoiced_hors_pause = len_acts_invoiced_hors_pause + len(invoice['acts'])

                    invoice = dict()

                    invoice['ppa'] = pricing.price_at_date(act.date)

                    invoice['year'] = act.date.year

                    invoice['acts'] = [(act, hc)]

                else:

                    invoice['acts'].append((act, hc))

        invoices[patient].append(invoice)

        len_invoices = len_invoices + 1

        len_acts_invoiced = len_acts_invoiced + len(invoice['acts'])

        if not patient.pause:

            len_invoices_hors_pause = len_invoices_hors_pause + 1

            len_acts_invoiced_hors_pause = len_acts_invoiced_hors_pause + len(invoice['acts'])

    return (invoices, len_invoices, len_invoices_hors_pause,

        len_acts_invoiced, len_acts_invoiced_hors_pause)

# The firts cmpp invoicing with calebasse

INVOICING_OFFSET = 134

class Invoicing(models.Model):

    '''Represent a batch of invoices:

       end_date - only acts before this date will be considered

       status   - current status of the invoicing

       acts     - acts bounded to this invoicing when the invoicing is validated

       STATUS - the possible status:

        - open, the invoicing is open for new acts

        - closed, invoicing has been closed, no new acts will be accepted after

          the end_date,

        - validated,

    '''

    STATUS = Choices('open', 'closed', 'validated', 'sent')

    seq_id = models.IntegerField(blank=True, null=True)

    service = models.ForeignKey('ressources.Service', on_delete='PROTECT')

    start_date = models.DateField(

            verbose_name=u'Ouverture de la facturation')

    end_date = models.DateField(

            verbose_name=u'Clôturation de la facturation',

            blank=True,

            null=True)

    status = models.CharField(

            verbose_name=u'Statut',

            choices=STATUS,

            default=STATUS.open,

            max_length=20)

    acts = models.ManyToManyField('actes.Act')

    objects = InvoicingManager()

    class Meta:

        unique_together = (('seq_id', 'service'),)

    def allocate_seq_id(self):

        '''Allocate a new sequence id for a new invoicing.'''

        seq_id = 1

        max_seq_id = Invoicing.objects.for_service(self.service) \

                .aggregate(Max('seq_id'))['seq_id__max']

        if not max_seq_id:

            if self.service.name == 'CMPP':

                seq_id = INVOICING_OFFSET

        else:

            seq_id = max_seq_id + 1

        return seq_id

    def list_for_billing(self):

        '''Return the acts candidates for billing'''

        if self.service.name == 'CMPP':

            end_date = self.end_date

            if not end_date:

                today = date.today()

                end_date = date(day=today.day, month=today.month, year=today.year)

            return list_acts.list_acts_for_billing_CMPP_2(end_date,

                    service=self.service)

        elif self.service.name == 'CAMSP':

            return list_acts.list_acts_for_billing_CAMSP(self.start_date,

                    self.end_date, service=self.service)

        elif 'SESSAD' in self.service.name:

            return list_acts.list_acts_for_billing_SESSAD(self.start_date,

                    self.end_date, service=self.service)

        else:

            raise RuntimeError('Unknown service', self.service)

    def get_stats_or_validate(self, commit=False):

        '''

            If the invoicing is in state open or closed and commit is False

                Return the stats of the billing

            If the invoicing is in state open or closed and commit is True

                Proceed to invoices creation, healthcare charging, acts as billed

                Return the stats of the billing

            If the invoicing is in state validated or sent

                Return the stats of the billing

        '''

        days_not_locked = 0

        if self.service.name == 'CMPP':

            if self.status in (Invoicing.STATUS.open,

                    Invoicing.STATUS.closed):

                '''

                    The stats are build dynamiccaly according to the

                    acts billable and the healthcares

                '''

                (acts_not_locked, days_not_locked, acts_not_valide,

                    acts_not_billable, acts_pause, acts_diagnostic,

                    acts_treatment, acts_losts,

                    acts_losts_missing_policy) = \

                        self.list_for_billing()

                (invoices, len_invoices, len_invoices_hors_pause,

                    len_acts_invoiced, len_acts_invoiced_hors_pause) = \

                        build_invoices_from_acts(acts_diagnostic, acts_treatment)

                len_patient_invoiced = len(invoices.keys())

                len_patient_invoiced_hors_pause = 0

                for patient in invoices.keys():

                    if not patient.pause:

                        len_patient_invoiced_hors_pause = len_patient_invoiced_hors_pause + 1

                patients = set(acts_not_locked.keys() + acts_not_valide.keys() + \

                    acts_not_billable.keys() + acts_diagnostic.keys() + acts_treatment.keys() + \

                    acts_losts.keys() + acts_pause.keys() + acts_losts_missing_policy.keys())

                patients_stats = []

                len_patient_with_lost_acts = 0

                len_acts_lost = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                len_patient_with_lost_acts_missing_policy = 0

                len_acts_losts_missing_policy = 0

                batches = {}

                last_batch = {}

                for patient in patients:

                    dic = {}

                    if patient in invoices.keys():

                        dic['invoices'] = invoices[patient]

                        if commit and not patient.pause:

                            policy_holder = patient.policyholder

                            try:

                                address = unicode(policy_holder.addresses.filter(place_of_life=True)[0])

                            except:

                                try:

                                    address = unicode(policy_holder.addresses.all()[0])

                                except:

                                    address = u''

                            invoice_kwargs = dict(

                                    patient_id=patient.id,

                                    patient_last_name=patient.last_name,

                                    patient_first_name=patient.first_name,

                                    patient_social_security_id=patient.social_security_id or '',

                                    patient_birthdate=patient.birthdate,

                                    patient_twinning_rank=patient.twinning_rank,

                                    patient_healthcenter=patient.health_center,

                                    patient_other_health_center=patient.other_health_center or '',

                                    patient_entry_date=patient.entry_date,

                                    patient_exit_date=patient.exit_date,

                                    policy_holder_id=policy_holder.id,

                                    policy_holder_last_name=policy_holder.last_name,

                                    policy_holder_first_name=policy_holder.first_name,

                                    policy_holder_social_security_id=policy_holder.social_security_id,

                                    policy_holder_other_health_center=policy_holder.other_health_center or '',

                                    policy_holder_healthcenter=policy_holder.health_center,

                                    policy_holder_address=address)

                            for invoice in invoices[patient]:

                                ppa = invoice['ppa'] * 100

                                acts = invoice['acts']

                                amount = ppa * len(acts)

                                in_o = Invoice(

                                        invoicing=self,

                                        ppa=ppa,

                                        amount=amount,

                                        **invoice_kwargs)

                                in_o.save()

                                for act, hc in acts:

                                    act.is_billed = True

                                    act.healthcare = hc

                                    act.save()

                                    in_o.acts.add(act)

                                # calcule le numero de lot pour cette facture

                                hc = in_o.health_center

                                hc_dest = hc.hc_invoice or hc

                                dest = hc_dest.large_regime.code + ' ' + hc_dest.dest_organism

                                if dest not in batches:

                                    batches[dest] = {}

                                if hc not in batches[dest]:

                                    nb1 = Invoice.objects.new_batch_number(health_center=hc_dest, invoicing=self)

                                    nb2 = Invoice.objects.new_batch_number(health_center=hc, invoicing=self)

                                    nb = max(nb1, nb2, last_batch.get(dest,0) + 1)

                                    last_batch[dest] = nb

                                    batches[dest][hc] = [{ 'batch': nb, 'size': 2, 'invoices': [], }]

                                # pas plus de 950 lignes par lot (le fichier B2 final ne doit

                                # pas depasser 999 lignes au total) :

                                b = batches[dest][hc].pop()

                                b2_size = in_o.acts.count() + 2

                                if (b['size'] + b2_size) > 950:

                                    batches[dest][hc].append(b)

                                    nb = last_batch.get(dest, 0) + 1

                                    last_batch[dest] = nb

                                    b = {'batch': nb, 'size': 2, 'invoices': []}

                                b['invoices'].append(in_o)

                                b['size'] += b2_size

                                batches[dest][hc].append(b)

                                in_o.batch = b['batch']

                                in_o.save()

                            pass

                    if patient in acts_losts.keys():

                        # TODO: More details about healthcare

                        dic['losts'] = acts_losts[patient]

                        len_patient_with_lost_acts = len_patient_with_lost_acts + 1

                        len_acts_lost = len_acts_lost + len(acts_losts[patient])

                    if patient in acts_pause.keys():

                        dic['acts_paused'] = acts_pause[patient]

                        len_patient_acts_paused = len_patient_acts_paused + 1

                        len_acts_paused = len_acts_paused + len(acts_pause[patient])

                    if patient in acts_losts_missing_policy.keys():

                        # TODO: More details about healthcare

                        dic['losts_missing_policy'] = acts_losts_missing_policy[patient]

                        len_patient_with_lost_acts_missing_policy = len_patient_with_lost_acts_missing_policy + 1

                        len_acts_losts_missing_policy = len_acts_losts_missing_policy + len(acts_losts_missing_policy[patient])

                    patients_stats.append((patient, dic))

                patients_stats = sorted(patients_stats, key=lambda patient: (patient[0].last_name, patient[0].first_name))

                len_patients = len(patients_stats)

                if commit:

                    self.status = Invoicing.STATUS.validated

                    self.save()

            else:

                '''

                    Grab stats from the invoices

                '''

                len_patients = 0

                len_invoices = 0

                len_acts_invoiced = 0

                patients_stats = {}

                days_not_locked = []

                invoices = self.invoice_set.all()

                patients = {}

                for invoice in invoices:

                    len_invoices = len_invoices + 1

                    len_acts_invoiced = len_acts_invoiced + len(invoice.acts.all())

                    patient = None

                    if not invoice.patient_id in patients.keys():

                        try:

                            patient = PatientRecord.objects.get(id=invoice.patient_id)

                        except:

                            patient = PatientRecord(last_name=patient_last_name, first_name=patient_first_name)

                        patients[invoice.patient_id] = patient

                        len_patients = len_patients + 1

                        patients_stats[patient] = {}

                        patients_stats[patient]['invoices'] = []

                    else:

                        patient = patients[invoice.patient_id]

                    patients_stats[patient]['invoices'].append(invoice)

                patients_stats = sorted(patients_stats.items(), key=lambda patient: (patient[0].last_name, patient[0].first_name))

                # all patients in the invoicing are invoiced

                len_patient_invoiced = 0

                # These stats are not necessary because excluded form the validated invoicing

                len_invoices_hors_pause = 0

                len_acts_invoiced_hors_pause = 0

                len_patient_invoiced_hors_pause = 0

                len_acts_lost = 0

                len_patient_with_lost_acts = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                len_patient_with_lost_acts_missing_policy = 0

                len_acts_losts_missing_policy = 0

            return (len_patients, len_invoices, len_invoices_hors_pause,

                len_acts_invoiced, len_acts_invoiced_hors_pause,

                len_patient_invoiced, len_patient_invoiced_hors_pause,

                len_acts_lost, len_patient_with_lost_acts, patients_stats,

                days_not_locked, len_patient_acts_paused,

                len_acts_paused, len_acts_losts_missing_policy,

                len_patient_with_lost_acts_missing_policy)

        elif self.service.name == 'CAMSP':

            if self.status in Invoicing.STATUS.closed:

                (acts_not_locked, days_not_locked, acts_not_valide,

                acts_not_billable, acts_pause, acts_bad_state,

                acts_accepted) = self.list_for_billing()

                len_patient_pause = 0

                len_patient_hors_pause = 0

                len_acts_pause = 0

                len_acts_hors_pause = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                patients = set(acts_accepted.keys() + acts_pause.keys())

                patients_stats = []

                for patient in patients:

                    dic = {}

                    if patient in acts_accepted.keys():

                        acts = acts_accepted[patient]

                        dic['accepted'] = acts

                        if patient.pause:

                            len_patient_pause = len_patient_pause + 1

                            len_acts_pause = len_acts_pause + len(acts)

                        else:

                            len_patient_hors_pause = len_patient_hors_pause + 1

                            len_acts_hors_pause = len_acts_hors_pause + len(acts)

                            if commit:

                                for act in acts:

                                    self.acts.add(act)

                    if patient in acts_pause.keys():

                        dic['acts_paused'] = acts_pause[patient]

                        len_patient_acts_paused = len_patient_acts_paused + 1

                        len_acts_paused = len_acts_paused + len(acts_pause[patient])

                    patients_stats.append((patient, dic))

                patients_stats = sorted(patients_stats, key=lambda patient: (patient[0].last_name, patient[0].first_name))

                if commit:

                    self.status = Invoicing.STATUS.validated

                    self.save()

            else:

                patients_stats = {}

                len_patient_pause = 0

                len_patient_hors_pause = 0

                len_acts_pause = 0

                len_acts_hors_pause = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                days_not_locked = []

                for act in self.acts.all():

                    if act.patient in patients_stats.keys():

                        patients_stats[act.patient]['accepted'].append(act)

                        len_acts_hors_pause = len_acts_hors_pause + 1

                    else:

                        len_patient_hors_pause = len_patient_hors_pause + 1

                        len_acts_hors_pause = len_acts_hors_pause + 1

                        patients_stats[act.patient] = {}

                        patients_stats[act.patient]['accepted'] = [act]

                patients_stats = sorted(patients_stats.items(), key=lambda patient: (patient[0].last_name, patient[0].first_name))

            return (len_patient_pause, len_patient_hors_pause,

                len_acts_pause, len_acts_hors_pause, patients_stats,

                days_not_locked, len_patient_acts_paused,

                len_acts_paused)

        else:

            if self.status in Invoicing.STATUS.closed:

                (acts_not_locked, days_not_locked, acts_not_valide,

                acts_not_billable, acts_pause, acts_bad_state,

                acts_missing_valid_notification, acts_accepted) = \

                    self.list_for_billing()

                len_patient_pause = 0

                len_patient_hors_pause = 0

                len_acts_pause = 0

                len_acts_hors_pause = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                len_patient_missing_notif = 0

                len_acts_missing_notif = 0

                patients = set(acts_accepted.keys() + acts_pause.keys())

                patients_stats = []

                for patient in patients:

                    dic = {}

                    if patient in acts_accepted.keys():

                        acts = acts_accepted[patient]

                        dic['accepted'] = acts

                        if patient.pause:

                            len_patient_pause = len_patient_pause + 1

                            len_acts_pause = len_acts_pause + len(acts)

                        else:

                            len_patient_hors_pause = len_patient_hors_pause + 1

                            len_acts_hors_pause = len_acts_hors_pause + len(acts)

                            if commit:

                                for act in acts:

                                    self.acts.add(act)

                    if patient in acts_missing_valid_notification.keys():

                        acts = acts_missing_valid_notification[patient]

                        dic['missings'] = acts

                        len_patient_missing_notif = len_patient_missing_notif + 1

                        len_acts_missing_notif = len_acts_missing_notif + len(acts)

                        if not 'accepted' in dic:

                            len_patient_hors_pause = len_patient_hors_pause + 1

                        if commit:

                            for act in acts:

                                self.acts.add(act)

                    if patient in acts_pause.keys():

                        dic['acts_paused'] = acts_pause[patient]

                        len_patient_acts_paused = len_patient_acts_paused + 1

                        len_acts_paused = len_acts_paused + len(acts_pause[patient])

                    patients_stats.append((patient, dic))

                patients_stats = sorted(patients_stats, key=lambda patient: (patient[0].last_name, patient[0].first_name))

                len_acts_hors_pause = len_acts_hors_pause + len_acts_missing_notif

                if commit:

                    self.status = Invoicing.STATUS.validated

                    self.save()

            else:

                patients_stats = {}

                len_patient_pause = 0

                len_patient_hors_pause = 0

                len_acts_pause = 0

                len_acts_hors_pause = 0

                len_patient_acts_paused = 0

                len_acts_paused = 0

                len_patient_missing_notif = 0

                len_acts_missing_notif = 0

                days_not_locked = []

                for act in self.acts.all():

                    if act.patient in patients_stats.keys():

                        patients_stats[act.patient]['accepted'].append(act)

                        len_acts_hors_pause = len_acts_hors_pause + 1

                    else:

                        len_patient_hors_pause = len_patient_hors_pause + 1

                        len_acts_hors_pause = len_acts_hors_pause + 1

                        patients_stats[act.patient] = {}

                        patients_stats[act.patient]['accepted'] = [act]

                patients_stats = sorted(patients_stats.items(), key=lambda patient: (patient[0].last_name, patient[0].first_name))

            return (len_patient_pause, len_patient_hors_pause,

                len_acts_pause, len_acts_hors_pause,

                len_patient_missing_notif, len_acts_missing_notif,

                patients_stats, days_not_locked,

                len_patient_acts_paused, len_acts_paused)

    def save(self, *args, **kwargs):

        if not self.seq_id:

            self.seq_id = self.allocate_seq_id()

        super(Invoicing, self).save(*args, **kwargs)

    def close(self, end_date=None):

        '''Close an open invoicing'''

        if self.service.name != 'CMPP':

            raise RuntimeError('closing Invoicing is only for the CMPP')

        if self.status != Invoicing.STATUS.open:

            raise RuntimeError('closing an un-opened Invoicing')

        if not end_date:

            today = date.today()

            end_date = date(day=today.day, month=today.month, year=today.year)

            if end_date < self.start_date:

                end_date = self.start_date + relativedelta(days=1)

        self.status = Invoicing.STATUS.closed

        self.end_date = end_date

        self.save()

        start_date = self.end_date + relativedelta(days=1)

        invoicing = Invoicing(service=self.service,

            start_date=start_date,

            status=Invoicing.STATUS.open)

        invoicing.save()

        return invoicing

    def export_for_accounting(self):

        '''

            Il faut separer les ecritures pour l'année en cours et les années

            passées.

        '''

        def add_ecriture(health_center, amount):

            accounting_number = '0' + health_center.accounting_number[1:]

            '''Le nom du compte ne devrait pas etre important et seul compter

            le numéro de compte'''

            name = health_center.name

            if len(name) > 30:

                name = name[0:30]

            ecriture = progor.EcritureComptable(date, accounting_number,

                name, cycle, debit=amount)

            imputation = progor.ImputationAnalytique(debit=amount)

            ecriture.add_imputation(imputation)

            journal.add_ecriture(ecriture)

        journal = progor.IdentificationJournal()

        ecritures_current = dict()

        ecritures_past = dict()

        total_current = 0

        total_past = 0

        date = self.end_date.strftime("%d/%m/%Y")

        cycle = str(self.seq_id)

        invoice_year = datetime(self.end_date.year, 1, 1).date()

        for invoice in self.invoice_set.all():

            if invoice.end_date < invoice_year:

                ecritures_past.setdefault(invoice.health_center, 0)

                ecritures_past[invoice.health_center] += invoice.amount

                total_past += invoice.amount

            else:

                ecritures_current.setdefault(invoice.health_center, 0)

                ecritures_current[invoice.health_center] += invoice.amount

                total_current += invoice.amount

        '''Ce qui est facturé aux caisses est en débit'''

        for health_center, amount in ecritures_past.items():

            add_ecriture(health_center, amount)

        for health_center, amount in ecritures_current.items():

            add_ecriture(health_center, amount)

        '''On équilibre avec du produit en crédit'''

        #Produit années précédentes

        if total_past:

            ecriture = progor.EcritureComptable(date, '77200000',

                'PRODUITS EXERCICES ANTERIEURS', cycle, credit=total_past, type_compte='0')

            imputation = progor.ImputationAnalytique(credit=total_past)

            ecriture.add_imputation(imputation)

            journal.add_ecriture(ecriture)

        #Produit année en cours

        ecriture = progor.EcritureComptable(date, '73130000',

            'PRODUITS EXERCICE', cycle, credit=total_current, type_compte='0')

        imputation = progor.ImputationAnalytique(credit=total_current)

        ecriture.add_imputation(imputation)

        journal.add_ecriture(ecriture)

        content = journal.render()

        service = self.service

        now = datetime.now()

        output_file = tempfile.NamedTemporaryFile(prefix='%s-export-%s-' %

                (service.slug, self.id), suffix='-%s.txt' % now, delete=False)

        output_file.write(content)

        return output_file.name

#class PricePerAct(models.Model):

#    price = models.IntegerField()

#    start_date = models.DateField(

#            verbose_name=u"Prise d'effet",

#            default=date(day=5,month=1,year=1970))

#    end_date = models.DateField(

#            verbose_name=u"Fin d'effet",

#            blank=True,

#            null=True)

#    @classmethod

#    def get_price(cls, at_date=None):

#        if not at_date:

#            at_date = date.today()

#        if isinstance(at_date, datetime):

#            at_date = date(day=at_date.day, month=at_date.month,

#                year=at_date.year)

#        found = cls.objects.filter(start_date__lte = at_date).latest('start_date')

#        if not found:

#            raise Exception('No price to apply')

#        return found.price

#    def __unicode__(self):

#        val = str(self.price) + ' from ' + str(self.start_date)

#        if self.end_date:

#            val = val + ' to ' + str(self.end_date)

#        return val

#def add_price(price, start_date=None):

#    price_o = None

#    ppas = PricePerAct.objects.all()

#    if ppas:

#        if not start_date:

#            raise Exception('A start date is mandatory to add a new Price')

#        last_ppa = PricePerAct.objects.latest('start_date')

#        if last_ppa.start_date >= start_date:

#            raise Exception('The new price cannot apply before the price that currently applies.')

#        if last_ppa.end_date and last_ppa.end_date != (start_date + relativedelta(days=-1)):

#            raise Exception('The new price should apply the day after the last price ends.')

#        last_ppa.end_date = start_date + relativedelta(days=-1)

#        last_ppa.save()

#    if not start_date:

#        price_o = PricePerAct(price=price)

#    else:

#        price_o = PricePerAct(price=price, start_date=start_date)

#    price_o.save()

#    return price_o

PREVIOUS_MAX_BATCH_NUMBERS = {

    'CF00000004001110': 34,

    'CT00000001016421': 1,

    'CT00000001016422': 141,

    'CT00000001025691': 20,

    'CT00000002011011': 8,

    'CT00000002381421': 15,

    'MA00000002381421': 48,

    'SM00000091007381': 98, # faure 43

    'SM00000091007421': 98, # faure 44

    'SM00000091007422': 98, # faure 45

    'SM00000091007431': 98, # faure 46

    'SM00000091007691': 98, # faure 47

    'SM00000091007764': 98, # faure 48

    'SM00000092001422': 14,

    'SM00000092001691': 13,

    'SM00000099038939': 24,

}

class InvoiceManager(models.Manager):

    def new_batch_number(self, health_center, invoicing):

        '''Compute the next batch number for the given health center'''

        global PREVIOUS_MAX_BATCH_NUMBERS

        agg = self \

                .filter(invoicing__service=invoicing.service) \

                .filter(invoicing__seq_id__lt=invoicing.seq_id) \

                .filter(

                    Q(patient_healthcenter=health_center,

                        policy_holder_healthcenter__isnull=True)|

                    Q(policy_holder_healthcenter=health_center)) \

                        .aggregate(Max('batch'))

        max_bn = agg['batch__max']

        if max_bn is None:

            max_bn = PREVIOUS_MAX_BATCH_NUMBERS.get(health_center.b2_000(), 0)

        else:

            max_bn = max(max_bn, PREVIOUS_MAX_BATCH_NUMBERS.get(health_center.b2_000(), 0))

        return max_bn + 1

class Invoice(models.Model):

    objects = InvoiceManager()

    number = models.IntegerField(blank=True, null=True)

    batch = models.IntegerField(blank=True, null=True)

    # the patient can be modified (or even deleted) after invoice creation, so

    # we copy his informations here

    patient_id = models.IntegerField(blank=True, null=True)

    patient_last_name = models.CharField(max_length=128,

            verbose_name=u'Nom du patient', default='', blank=True)

    patient_first_name = models.CharField(max_length=128,

            verbose_name=u'Prénom(s) du patient', default='', blank=True)

    patient_social_security_id = models.CharField(max_length=13,

            verbose_name=u"NIR", default='', blank=True)

    patient_birthdate = models.DateField(verbose_name=u"Date de naissance",

            null=True, blank=True)

    patient_twinning_rank = models.IntegerField(

        verbose_name=u"Rang (gémellité)",

        null=True, blank=True)