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path: root/ishtar/furnitures/forms_operations.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2011  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

"""
Operations forms definitions
"""
import datetime

from django import forms
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.core import validators
from django.core.exceptions import ObjectDoesNotExist
from django.db.models import Max
from django.utils.translation import ugettext_lazy as _

from ishtar import settings

import models
import widgets
from forms import Wizard, FinalForm, FormSet, SearchWizard, ClosingWizard, \
     DeletionWizard, formset_factory, get_now, reverse_lazy, clean_duplicated
from forms_common import TownForm, TownFormSet, ParcelFormSet, ParcelForm

def is_preventive(form_name, model, type_key='operation_type', key=''):
    def func(self, request, storage):
        if storage.prefix not in request.session or \
           'step_data' not in request.session[storage.prefix] or \
           form_name not in request.session[storage.prefix]['step_data'] or\
           form_name + '-' + type_key not in \
                     request.session[storage.prefix]['step_data'][form_name]:
            return False
        try:
            type = int(request.session[storage.prefix]['step_data']\
                                      [form_name][form_name+'-'+type_key])
            return model.is_preventive(type, key)
        except ValueError:
            return False
    return func

class OperationWizard(Wizard):
    model = models.Operation
    object_parcel_type = 'operation'

    def get_template(self, request, storage):
        templates = super(OperationWizard, self).get_template(request, storage)
        current_step = storage.get_current_step() or self.get_first_step(
                                                            request, storage)
        if current_step.startswith('towns-'):
            templates = ['towns_wizard.html'] + templates
        return templates

    def get_extra_context(self, request, storage):
        """
        Return extra context for templates
        """
        context = super(OperationWizard, self).get_extra_context(request,
                                                                 storage)
        step = self.determine_step(request, storage)
        if not step.startswith('towns-'):
            return context
        context['TOWNS'] = self.get_towns(request, storage)
        return context

    def get_towns(self, request, storage):
        """
        Obtention des villes disponibles
        """
        general_form_key = 'general-' + self.url_name
        towns = []
        file_id = self.session_get_value(request, storage, general_form_key,
                                             "associated_file")
        if file_id:
            try:
                for town in models.File.objects.get(pk=int(file_id)
                                                    ).towns.all():
                    towns.append((town.pk, unicode(town)))
            except (ValueError, ObjectDoesNotExist):
                pass
            return sorted(towns, key=lambda x:x[1])
        else:
            return -1

    def get_form(self, request, storage, step=None, data=None, files=None):
        """
        Manage specifics fields
        """
        if data:
            data = data.copy()
        else:
            data = {}
        if not step:
            step = self.determine_step(request, storage)
        form = self.get_form_list(request, storage)[step]

        general_form_key = 'general-' + self.url_name
        # put hidden year field for refs
        if data and step.startswith('refs-') \
           and self.session_has_key(request, storage, general_form_key):
            prefix = 'refs-' + self.url_name
            year = int(request.session[storage.prefix]['step_data']\
                                  [general_form_key][general_form_key+"-year"])
            data[prefix+'-hidden_year'] = year
            data[prefix+'-hidden_ope'] = True
        # manage the dynamic choice of towns
        if step.startswith('towns-') and hasattr(form, 'management_form'):
            data['TOWNS'] = self.get_towns(request, storage)
        elif step.startswith('parcels-') and hasattr(form, 'management_form'):
            file_id = self.session_get_value(request, storage, general_form_key,
                                             "associated_file")
            if file_id:
                parcels = []
                try:
                    for parcel in models.File.objects.get(pk=int(file_id)
                                                        ).parcels.all():
                        parcels.append((parcel.pk, parcel.short_label()))
                except (ValueError, ObjectDoesNotExist):
                    pass
                data['PARCELS'] = sorted(parcels, key=lambda x:x[1])
            else:
                towns = []
                town_form_key = 'towns-' + self.url_name
                town_ids = self.session_get_value(request, storage,
                                  town_form_key, 'town', multi=True) or []
                for town_id in town_ids:
                    try:
                        town = models.Town.objects.get(pk=int(town_id))
                        towns.append((town.pk, unicode(town)))
                    except (ValueError, ObjectDoesNotExist):
                        pass
                data['TOWNS'] = sorted(towns, key=lambda x:x[1])
        data = data or None
        form = super(OperationWizard, self).get_form(request, storage, step,
                                                     data, files)
        return form

    def get_extra_model(self, dct, request, storage, form_list):
        dct['history_modifier'] = request.user
        return dct

    def get_form_initial(self, request, storage, step):
        initial = super(OperationWizard, self).get_form_initial(request,
                                                           storage, step)
        if initial:
            return initial
        # put hidden year and default operation_code field for refs
        general_form_key = 'general-' + self.url_name
        initial = {}
        if step.startswith('refs-') \
           and self.session_has_key(request, storage, general_form_key):
            year = int(request.session[storage.prefix]['step_data']\
                                  [general_form_key][general_form_key+"-year"])
            initial['hidden_year'] = year
            max_val = models.Operation.objects.filter(year=year).aggregate(
                                Max('operation_code'))["operation_code__max"]
            initial['operation_code'] = max_val and (max_val + 1) or 1
        return initial

    def get_formated_datas(self, forms):
        """
        Show a specific warning if no archaelogical file is provided
        """
        datas = super(OperationWizard, self).get_formated_datas(forms)
        # simple selection town is used if no Archaelogical File is provided
        has_af = [form for form in forms
                  if isinstance(form, SelectedTownFormSet)]
        if not has_af:
            datas = [[_(u"Warning: No Archaelogical File is provided. "
                      u"If you have forget it return to the first step."), []]]\
                + datas
        return datas

class OperationSelect(forms.Form):
    towns = forms.IntegerField(label=_(u"Town"),
         widget=widgets.JQueryAutoComplete("/" + settings.URL_PATH + \
                     'autocomplete-town', associated_model=models.Town),
         validators=[models.valid_id(models.Town)])
    operation_type = forms.ChoiceField(label=_("Operation type"),
                                       choices=models.OperationType.get_types())
    remains = forms.ChoiceField(label=_("Remains"),
                                choices=models.RemainType.get_types())
    year = forms.IntegerField(label=_("Year"))

class OperationFormSelection(forms.Form):
    form_label = _(u"Operation search")
    associated_models = {'pk':models.Operation}
    currents = {'pk':models.Operation}
    pk = forms.IntegerField(label="", required=False,
       widget=widgets.JQueryJqGrid(reverse_lazy('get-operation'),
                                 OperationSelect(), models.Operation),
       validators=[models.valid_id(models.Operation)])

    def clean(self):
        cleaned_data = self.cleaned_data
        if 'pk' not in cleaned_data or not cleaned_data['pk']:
            raise forms.ValidationError(_(u"You should select an operation."))
        return cleaned_data

class OperationFormGeneral(forms.Form):
    form_label = _("General")
    associated_models = {'in_charge':models.Person,
                         'associated_file':models.File,
                         'operation_type':models.OperationType}
    currents = {'associated_file':models.File}
    in_charge = forms.IntegerField(label=_("Person in charge of the operation"),
        widget=widgets.JQueryAutoComplete(reverse_lazy('autocomplete-person',
          args=["_".join(
         [unicode(models.PersonType.objects.get(txt_idx='head_scientist').pk),
          unicode(models.PersonType.objects.get(txt_idx='sra_agent').pk)])]),
        associated_model=models.Person),
        validators=[models.valid_id(models.Person)], required=False)
    associated_file = forms.IntegerField(label=_("Archaelogical file"),
         widget=widgets.JQueryAutoComplete(reverse_lazy('autocomplete-file'),
                                           associated_model=models.File),
         validators=[models.valid_id(models.File)], required=False)
    operation_type = forms.ChoiceField(label=_("Operation type"),
                                       choices=models.OperationType.get_types())
    start_date = forms.DateField(label=_(u"Start date"), required=False,
                                 widget=widgets.JQueryDate)
    surface = forms.IntegerField(required=False, widget=widgets.AreaWidget,
                           label=_(u"Total surface"),
                           validators=[validators.MinValueValidator(0),
                                       validators.MaxValueValidator(999999999)])
    year = forms.IntegerField(label=_("Year"),
                              initial=lambda:datetime.datetime.now().year,
                              validators=[validators.MinValueValidator(1900),
                                          validators.MaxValueValidator(2100)])
    comment = forms.CharField(label=_(u"Comment"), widget=forms.Textarea,
                              required=False)

class OperationFormReference(forms.Form):
    form_label = _("References")
    associated_models = {'in_charge':models.Person,
                         'associated_file':models.File,
                         'operation_type':models.OperationType}
    currents = {'associated_file':models.File}
    hidden_year = forms.IntegerField(widget=forms.HiddenInput)
    hidden_ope = forms.BooleanField(widget=forms.HiddenInput, required=False)
    operation_code = forms.IntegerField(label=_(u"Operation code"))
    if settings.COUNTRY == 'fr':
        code_patriarche = forms.IntegerField(label=u"Code PATRIARCHE",
                                required=False)
        code_dracar = forms.CharField(label=u"Code DRACAR", required=False,
                           validators=[validators.MaxLengthValidator(10)])
    def clean(self):
        cleaned_data = self.cleaned_data
        if 'hidden_ope' in cleaned_data and cleaned_data['hidden_ope']:
            return cleaned_data
        year = cleaned_data.get("hidden_year")
        operation_code = cleaned_data.get("operation_code")
        ops = models.Operation.objects.filter(year=year,
                                        operation_code=operation_code).count()
        if ops:
            max_val = models.Operation.objects.filter(year=year).aggregate(
                                Max('operation_code'))["operation_code__max"]
            raise forms.ValidationError(_(u"Operation code already exist for "
"year: %(year)d - use a value bigger than %(last_val)d") % {'year':year,
                                                            'last_val':max_val})
        return cleaned_data

class OperationFormPreventive(forms.Form):
    form_label = _("Preventive informations - excavation")
    cost = forms.IntegerField(label=_(u"Cost"), required=False)
    if settings.COUNTRY == 'fr':
        fnap_financing = forms.FloatField(required=False,
                               label=u"Pourcentage de financement FNAP",
                               validators=[validators.MinValueValidator(0),
                                           validators.MaxValueValidator(100)])

class OperationFormPreventiveDiag(forms.Form):
    form_label = _("Preventive informations - diagnostic")
    if settings.COUNTRY == 'fr':
        zoning_prescription = forms.NullBooleanField(required=False,
                                            label=_(u"Prescription on zoning"))
        large_area_prescription = forms.NullBooleanField(required=False,
                                        label=_(u"Prescription on large area"))
        geoarchaeological_context_prescription = forms.NullBooleanField(
         required=False, label=_(u"Prescription on geoarchaeological context"))

class SelectedTownForm(forms.Form):
    form_label = _("Towns")
    associated_models = {'town':models.Town}
    town = forms.ChoiceField(label=_("Town"), choices=(),
                             validators=[models.valid_id(models.Town)])
    def __init__(self, *args, **kwargs):
        towns = None
        if 'data' in kwargs and 'TOWNS' in kwargs['data']:
            towns = kwargs['data']['TOWNS']
            # clean data if not "real" data
            prefix_value = kwargs['prefix'] + '-town'
            if not [k for k in kwargs['data'].keys()
                    if k.startswith(prefix_value) and kwargs['data'][k]]:
                kwargs['data'] = None
                if 'files' in kwargs:
                    kwargs.pop('files')
        super(SelectedTownForm, self).__init__(*args, **kwargs)
        if towns and towns != -1:
            self.fields['town'].choices = [('', '--')] + towns

SelectedTownFormSet = formset_factory(SelectedTownForm, can_delete=True,
                                formset=TownFormSet)
SelectedTownFormSet.form_label = _("Towns")

SelectedTownGeneralFormSet = formset_factory(TownForm, can_delete=True,
                                             formset=TownFormSet)
SelectedTownGeneralFormSet.form_label = _("Towns")

class SelectedParcelForm(forms.Form):
    form_label = _("Parcels")
    associated_models = {'parcel':models.Parcel}
    parcel = forms.ChoiceField(label=_("Parcel"), choices=(),
                             validators=[models.valid_id(models.Parcel)])
    def __init__(self, *args, **kwargs):
        parcels = None
        if 'data' in kwargs and 'PARCELS' in kwargs['data']:
            parcels = kwargs['data']['PARCELS']
            # clean data if not "real" data
            prefix_value = kwargs['prefix'] + '-parcel'
            if not [k for k in kwargs['data'].keys()
                    if k.startswith(prefix_value) and kwargs['data'][k]]:
                kwargs['data'] = None
                if 'files' in kwargs:
                    kwargs.pop('files')
        super(SelectedParcelForm, self).__init__(*args, **kwargs)
        if parcels:
            self.fields['parcel'].choices = [('', '--')] + parcels

SelectedParcelFormSet = formset_factory(SelectedParcelForm, can_delete=True,
                                formset=ParcelFormSet)
SelectedParcelFormSet.form_label = _("Parcels")

SelectedParcelGeneralFormSet = formset_factory(ParcelForm, can_delete=True,
                                             formset=ParcelFormSet)
SelectedParcelGeneralFormSet.form_label = _("Parcels")

class RemainForm(forms.Form):
    form_label = _("Remain types")
    associated_models = {'remain':models.RemainType}
    remain = forms.ChoiceField(label=_("Remain type"), required=False,
                                       choices=models.RemainType.get_types())

class RemainFormSet(FormSet):
    def clean(self):
        """Checks that no remain types are duplicated."""
        return clean_duplicated(self, ['remain_type'])

RemainFormset = formset_factory(RemainForm, can_delete=True,
                                formset=RemainFormSet)
RemainFormset.form_label = _("Remain types")

class PeriodForm(forms.Form):
    form_label = _("Periods")
    associated_models = {'period':models.Period}
    period = forms.ChoiceField(label=_("Period"), required=False,
                                       choices=models.Period.get_types())

class PeriodFormSet(FormSet):
    def clean(self):
        """Checks that no period are duplicated."""
        return clean_duplicated(self, ['period'])

PeriodFormset = formset_factory(PeriodForm, can_delete=True,
                                formset=PeriodFormSet)
PeriodFormset.form_label = _("Periods")

operation_search_wizard = SearchWizard([
                          ('general-operation_search', OperationFormSelection)],
                          url_name='operation_search',)

def has_associated_file(form_name, file_key='associated_file', negate=False):
    def func(self, request, storage):
        if storage.prefix not in request.session or \
           'step_data' not in request.session[storage.prefix] or \
           form_name not in request.session[storage.prefix]['step_data'] or\
           form_name + '-' + file_key not in \
                     request.session[storage.prefix]['step_data'][form_name]:
            return negate
        try:
            file_id = int(request.session[storage.prefix]['step_data']\
                                      [form_name][form_name+'-'+file_key])
            return not negate
        except ValueError:
            return negate
    return func

operation_creation_wizard = OperationWizard([
           ('general-operation_creation', OperationFormGeneral),
           ('refs-operation_creation', OperationFormReference),
           ('preventive-operation_creation', OperationFormPreventive),
           ('preventivediag-operation_creation', OperationFormPreventiveDiag),
           ('townsgeneral-operation_creation', SelectedTownGeneralFormSet),
           ('towns-operation_creation', SelectedTownFormSet),
           ('parcelsgeneral-operation_creation', SelectedParcelGeneralFormSet),
           ('parcels-operation_creation', SelectedParcelFormSet),
           ('remains-operation_creation', RemainFormset),
           ('periods-operation_creation', PeriodFormset),
           ('final-operation_creation', FinalForm)],
             condition_list={
'preventive-operation_creation':is_preventive('general-operation_creation',
                     models.OperationType, 'operation_type', 'prev_excavation'),
'preventivediag-operation_creation':is_preventive('general-operation_creation',
                     models.OperationType, 'operation_type', 'arch_diagnostic'),
'townsgeneral-operation_creation':has_associated_file(
                                     'general-operation_creation', negate=True),
'towns-operation_creation':has_associated_file('general-operation_creation'),
'parcelsgeneral-operation_creation':has_associated_file(
                                     'general-operation_creation', negate=True),
'parcels-operation_creation':has_associated_file('general-operation_creation'),
                            },
                    url_name='operation_creation',)

operation_modification_wizard = OperationWizard([
         ('selec-operation_modification', OperationFormSelection),
         ('general-operation_modification', OperationFormGeneral),
         ('refs-operation_modification', OperationFormReference),
         ('preventive-operation_modification', OperationFormPreventive),
         ('preventivediag-operation_modification', OperationFormPreventiveDiag),
         ('towns-operation_modification', SelectedTownFormSet),
         ('townsgeneral-operation_modification', SelectedTownGeneralFormSet),
         ('parcels-operation_modification', SelectedParcelFormSet),
         ('parcelsgeneral-operation_modification', SelectedParcelGeneralFormSet),
         ('remains-operation_modification', RemainFormset),
         ('periods-operation_modification', PeriodFormset),
         ('final-operation_modification', FinalForm)],
             condition_list={
'preventive-operation_modification':is_preventive(
                         'general-operation_modification', models.OperationType,
                         'operation_type', 'prev_excavation'),
'preventivediag-operation_modification':is_preventive(
                         'general-operation_modification', models.OperationType,
                         'operation_type', 'arch_diagnostic'),
'townsgeneral-operation_modification':has_associated_file(
                                 'general-operation_modification', negate=True),
'towns-operation_modification':has_associated_file(
                                 'general-operation_modification'),
'parcelsgeneral-operation_modification':has_associated_file(
                                 'general-operation_modification', negate=True),
'parcels-operation_modification':has_associated_file(
                                 'general-operation_modification'),
                            },
                    url_name='operation_modification',)

class OperationDateFormSelection(forms.Form):
    form_label = _("Closing date")
    end_date = forms.DateField(label=_(u"Closing date"),
                               widget=widgets.JQueryDate)

class OperationClosingWizard(ClosingWizard):
    model = models.Operation
    fields = ['year', 'operation_code', 'operation_type', 'associated_file',
           'in_charge', 'start_date', 'end_date', 'comment', 'towns', 'remains']

class FinalOperationClosingForm(FinalForm):
    confirm_msg = " "
    confirm_end_msg = _(u"Would you like to close this operation?")

operation_closing_wizard = OperationClosingWizard([
                     ('selec-operation_closing', OperationFormSelection),
                     ('date-operation_closing', OperationDateFormSelection),
                     ('final-operation_closing', FinalOperationClosingForm)],
                      url_name='operation_closing',)

class OperationDeletionWizard(DeletionWizard):
    model = models.Operation

class OperationDeletionForm(FinalForm):
    confirm_msg = " "
    confirm_end_msg = _(u"Would you like to delete this operation?")

operation_deletion_wizard = OperationDeletionWizard([
                     ('selec-operation_deletion', OperationFormSelection),
                     ('final-operation_deletion', OperationDeletionForm)],
                      url_name='operation_deletion',)

class OperationAdministrativeActWizard(OperationWizard):
    edit = False

    def get_extra_model(self, dct, request, storage, form_list):
        dct['history_modifier'] = request.user
        return dct

    def get_associated_item(self, request, storage, dct):
        return self.get_current_object(request, storage)

    def save_model(self, dct, m2m, whole_associated_models, request, storage,
                   form_list, return_object):
        associated_item = self.get_associated_item(request, storage, dct)
        if not associated_item:
            return self.render(request, storage, form_list[-1])
        if isinstance(associated_item, models.File):
            dct['associated_file'] = associated_item
        elif isinstance(associated_item, models.Operation):
            dct['operation'] = associated_item
        dct['history_modifier'] = request.user
        if 'pk' in dct:
            dct.pop('pk')
        if self.edit:
            admact = self.get_current_object(request, storage)
            for k in dct:
                if hasattr(admact, k):
                    setattr(admact, k, dct[k])
        else:
            admact = models.AdministrativeAct(**dct)
        admact.save()
        res = render_to_response('wizard_done.html', {},
                                  context_instance=RequestContext(request))
        return res

class OperationEditAdministrativeActWizard(OperationAdministrativeActWizard):
    model = models.AdministrativeAct
    edit = True
    def get_associated_item(self, request, storage, dct):
        return self.get_current_object(request, storage).operation

class AdministrativeActOpeSelect(forms.Form):
    operation__towns = forms.IntegerField(label=_(u"Town"),
         widget=widgets.JQueryAutoComplete("/" + settings.URL_PATH + \
                     'autocomplete-town', associated_model=models.Town),
         validators=[models.valid_id(models.Town)])
    act_type = forms.ChoiceField(label=_("Act type"),
                choices=models.ActType.get_types(dct={'intented_to':'O'}))

class AdministrativeActOpeFormSelection(forms.Form):
    form_label = _("Administrative act search")
    associated_models = {'pk':models.AdministrativeAct}
    currents = {'pk':models.AdministrativeAct}
    pk = forms.IntegerField(label="", required=False,
       widget=widgets.JQueryJqGrid(reverse_lazy('get-administrativeactop'),
            AdministrativeActOpeSelect(), models.AdministrativeAct,
            table_cols='TABLE_COLS_OPE'),
       validators=[models.valid_id(models.AdministrativeAct)])

    def clean(self):
        cleaned_data = self.cleaned_data
        if 'pk' not in cleaned_data or not cleaned_data['pk']:
            raise forms.ValidationError(_(u"You should select an administrative"
                                           " act."))
        return cleaned_data

class AdministrativeActOpeForm(forms.Form):
    form_label = _("General")
    associated_models = {'act_type':models.ActType,
                         'signatory':models.Person}
    act_type = forms.ChoiceField(label=_("Act type"),
                choices=models.ActType.get_types(dct={'intented_to':'O'}))
    signatory = forms.IntegerField(label=_("Signatory"),
         widget=widgets.JQueryAutoComplete(reverse_lazy('autocomplete-person'),
                                           associated_model=models.Person),
         validators=[models.valid_id(models.Person)])
    act_object = forms.CharField(label=_(u"Object"), max_length=200,
                                 widget=forms.Textarea)
    signature_date = forms.DateField(label=_(u"Signature date"),
                                     widget=widgets.JQueryDate)
    if settings.COUNTRY == 'fr':
        ref_sra = forms.CharField(label=u"Référence SRA", max_length=15)

class AdministrativeActDeletionWizard(ClosingWizard):
    model = models.AdministrativeAct
    fields = ['act_type', 'in_charge', 'operator', 'scientific', 'signatory',
              'operation', 'associated_file', 'signature_date', 'act_object',]
    if settings.COUNTRY == 'fr':
        fields += ['ref_sra']

    def done(self, request, storage, form_list, **kwargs):
        obj = self.get_current_object(request, storage)
        obj.delete()
        return render_to_response('wizard_done.html', {},
                                  context_instance=RequestContext(request))

class FinalAdministrativeActDeleteForm(FinalForm):
    confirm_msg = " "
    confirm_end_msg = _(u"Would you like to delete this administrative act?")

operation_administrativeactop_wizard = OperationAdministrativeActWizard([
    ('selec-operation_administrativeactop', OperationFormSelection),
    ('administrativeact-operation_administrativeactop', AdministrativeActOpeForm),
    ('final-operation_administrativeactop', FinalForm)],
     url_name='operation_administrativeactop',)

operation_administrativeactop_modification_wizard = \
    OperationEditAdministrativeActWizard([
       ('selec-operation_administrativeactop_modification',
                                            AdministrativeActOpeFormSelection),
       ('administrativeact-operation_administrativeactop_modification',
                                            AdministrativeActOpeForm),
       ('final-operation_administrativeactop_modification', FinalForm)],
       url_name='operation_administrativeactop_modification',)

operation_administrativeactop_deletion_wizard = AdministrativeActDeletionWizard([
                     ('selec-operation_administrativeactop_deletion',
                                 AdministrativeActOpeFormSelection),
                     ('final-operation_administrativeactop_deletion',
                                 FinalAdministrativeActDeleteForm)],
                      url_name='operation_administrativeactop_deletion',)