ajax_lexeme_view.py 19.8 KB
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#-*- coding:utf-8 -*-

import json
from django.contrib.auth.models import User
from django.core.cache import cache
from django.db.models import Max
from dictionary.ajax_jqgrid import JqGridQuery
from dictionary.ajax_lexeme_jqgrid import cache_key, get_pk_list
from dictionary.models import Lexeme, LexemeInflectionPattern, PartOfSpeech, \
  Pattern, InflectionCharacteristic, Vocabulary, LexemeAssociation, Qualifier, \
  prepare_table, ClassificationValue, CrossReference, TableTemplate, get_root, \
  InputLexeme, set_vocabulary, CrossReferenceType, filter_visible, \
  editable_vocabularies, visible_qualifiers, LexemeAttribute, LexemeAttributeValue
from dictionary.forms import LexemeEditForm, LIPEditForm, ClassificationForm, \
  CrossReferenceForm, ActionFieldForm, ACTION_FIELDS, LexemeOpenAttributeForm, \
  LexemeClosedAttributeForm, LexemeMultipleAttributeForm
from common.decorators import render, ajax, AjaxError, render_template
from common.util import error_messages

@ajax(method='get', template='inflection_tables.html')
def get_inflection_tables(request, variant, lexeme_id):
  lexeme = Lexeme.all_objects.get(pk=lexeme_id) # może być nowy
  if not lexeme.perm(request.user, 'view'):
    raise AjaxError('access denied')
  qualifiers = visible_qualifiers(request.user)
  tables = lexeme.inflection_tables(variant, qualifiers=qualifiers)
  return {'tables': tables}

@ajax(method='get', template='inflection_table.html')
def table_preview(request, lexeme_id, pattern, inflection_characteristic,
                  lip_id, entry=None, pos=None):
  lexeme = Lexeme.all_objects.get(pk=lexeme_id)
  if not lexeme.perm(request.user, 'view'):
    raise AjaxError('access denied')
  if entry is None:
    entry = lexeme.entry
  if pos is None:
    pos = lexeme.part_of_speech.symbol
  try:
    pattern = Pattern.objects.get(name=pattern)
    inflection_characteristic = InflectionCharacteristic.objects.get(
      pk=inflection_characteristic)
    if lip_id.startswith('lip_add'):
      lip = LexemeInflectionPattern(lexeme=lexeme, index=0)
    else:
      lip = LexemeInflectionPattern.objects.get(pk=int(lip_id[3:]))
    lip.pattern = pattern
    lip.inflection_characteristic = inflection_characteristic
    lip.root = get_root(entry, pos, pattern, inflection_characteristic)
    qualifiers = visible_qualifiers(request.user)
    table = lip.inflection_table('0', separated=True, qualifiers=qualifiers,
                                 edit_view=True)
    prepare_table(table)
  except Pattern.DoesNotExist:
    table = None
  except TableTemplate.DoesNotExist:
    table = None
  return {'table': table}

@ajax(method='get', template="odm_forms.html")
def odm_forms(request, lexeme_id):
  to_return = {}
  l = Lexeme.all_objects.get(pk=lexeme_id)
  if not l.perm(request.user, 'view'):
    raise AjaxError('access denied')
  odm_lexemes = []
  for l in InputLexeme.objects.filter(entry=l.entry):
    odm_lexemes.append(list(l.inputform_set.values_list('form', flat=True)))
  to_return['odm_lexemes'] = odm_lexemes
  return to_return

def attribute_forms(l, part_of_speech=None, ics=None):
  for attr, v in l.attributes_values(part_of_speech, ics):
    if not attr.closed:
      form_class = LexemeOpenAttributeForm
    elif not attr.multiple:
      form_class = LexemeClosedAttributeForm
    else:
      form_class = LexemeMultipleAttributeForm
    prefix = 'attr%s' % attr.pk
    yield form_class(attribute=attr, initial_value=v, prefix=prefix)

@render_template('extra_attributes.html')
@ajax(method='get', template='extra_attributes.html')
def extra_attributes(request, lexeme_id, pos, ics):
  l = Lexeme.objects.get(pk=lexeme_id)
  part_of_speech = PartOfSpeech.objects.get(symbol=pos)
  ics = InflectionCharacteristic.objects.filter(
    part_of_speech=part_of_speech, entry__in=ics)
  return {
    'forms': attribute_forms(
      l, part_of_speech=part_of_speech, ics=ics),
  }

@ajax(method='get')
def check_attributes(request, lexeme_id, pos, ics):
  l = Lexeme.objects.get(pk=lexeme_id)
  part_of_speech = PartOfSpeech.objects.get(symbol=pos)
  ics = InflectionCharacteristic.objects.filter(
    part_of_speech=part_of_speech, entry__in=ics)
  attrs = list(l.attributes(part_of_speech, ics).values_list('pk', flat=True))
  return {'attrs': attrs}

@render_template('lexeme_edit_form.html')
@ajax(method='get', template='lexeme_edit_form.html')
def lexeme_edit_form(request, id):
  to_return = {}
  l = Lexeme.all_objects.get(pk=id) # bo może być świeżo utworzony
  if not l.perm(request.user, 'view'):
    raise AjaxError('access denied')
  editable = l.perm(request.user, 'change')
  to_return['editable'] = editable
  owner = l.owner_vocabulary

  to_return['attribute_forms'] = attribute_forms(l)

  editable_vocabs = editable_vocabularies(request.user)
  ro_owner = owner not in editable_vocabs
  to_return['multiple_editable'] = editable and editable_vocabs.count() > 1
  if ro_owner:
    # nie pokazujemy wszystkich, tylko te z właściciela
    ro_qualifiers = l.qualifiers.filter(vocabulary=owner)
  else:
    ro_qualifiers = []
  to_return['owner'] = owner
  ro_vocabularies = l.visible_vocabularies(request.user).exclude(
    pk=owner.pk).exclude(pk__in=editable_vocabs)
  to_return['ro_vocabularies'] = ro_vocabularies
  to_return['ro_qualifiers'] = ro_qualifiers

  to_return['form'] = LexemeEditForm(
    instance=l, editable=editable, user=request.user)
  to_return['id'] = l.pk
  to_return['part_of_speech'] = l.part_of_speech.symbol
  to_return['classification_forms'] = make_classification_forms(
    l, owner, editable)

  lips = l.lexemeinflectionpattern_set.all()
  to_return['lip_forms'] = [
    (LIPEditForm(
      lexeme=l, part_of_speech=l.part_of_speech, instance=lip,
      prefix='lip' + str(lip.pk), user=request.user, editable=editable),
     lip.qualifiers.filter(vocabulary=owner) if ro_owner else [])
    for lip in lips]
  crs = l.refs_to.order_by('type__index')
  to_return['cross_references'] = crs
  return to_return

def make_classification_forms(lexeme, vocabulary=None, editable=True):
  if not vocabulary:
    vocabulary = lexeme.owner_vocabulary
  classifications = vocabulary.classifications.all()
  classification_forms = []
  for c in classifications:
    values = lexeme.classification_values(c)
    classification_forms.append(
      ClassificationForm(
        classification=c, values=values, prefix='cl' + str(c.pk),
        editable=editable))
  return classification_forms

@render_template('classification_forms.html')
@ajax(method='get', template='classification_forms.html')
def classification_forms(request, lexeme_id, vocab_id):
  l = Lexeme.objects.get(pk=lexeme_id)
  if vocab_id:
    vocab = Vocabulary.objects.get(pk=vocab_id)
  else:
    vocab = None
  forms = make_classification_forms(l, vocab)
  return {'forms': forms}

@render_template('lexeme_edit_form_row.html')
@ajax(method='get', template='lexeme_edit_form_row.html')
def new_lip_edit_row(request, lexeme_id, pos_id, num):
  l = Lexeme.all_objects.get(pk=lexeme_id)
  if not l.perm(request.user, 'change'):
    raise AjaxError('access denied')
  if not pos_id:
    raise AjaxError(u'Nieokreślona część mowy.')
  pos = PartOfSpeech.objects.get(pk=pos_id)
  lip_form = LIPEditForm(
    lexeme=l, part_of_speech=pos, prefix='lip_add_%s' % num, user=request.user)
  return {'lip_form': lip_form, 'editable': True}

@render('cross_reference_row.html')
@ajax(method='get', encode_result=False)
def new_cross_reference_row(request, id, pos_id):
  l = Lexeme.objects.get(pk=id)
  if not l.perm(request.user, 'change'):
    raise AjaxError('access denied')
  pos = PartOfSpeech.objects.get(pk=pos_id)
  cr_form = CrossReferenceForm(lexeme=l, pos=pos, prefix='cr_add_NUM')
  return {'cr_form': cr_form, 'editable': True}

@ajax(method='post')
def update_lexeme(request, form_data, mask=''):
  form_dict = dict((x['name'], x['value']) for x in form_data)
  l = Lexeme.all_objects.get(pk=form_dict['id'])
  if not l.perm(request.user, 'view'):
    raise AjaxError('access denied')
  owner = l.owner_vocabulary
  created = l.entry == ''
  if not l.perm(request.user, 'change'):
    return update_lexeme_qualifiers(
      l, request.user, form_dict, form_data)
  form = LexemeEditForm(data=form_dict, instance=l, user=request.user)
  if form.is_valid():
    l = form.save()
    l.responsible = request.user
    l.deleted = False
    l.fix_homonym_number()
    l.save()
  else:
    raise AjaxError(error_messages(form))

  for vocab in editable_vocabularies(request.user):
    if vocab != owner:
      set_vocabulary(l, vocab, vocab in form.cleaned_data['vocabularies'])
  new_owner = form.cleaned_data.get('new_owner')
  if new_owner and new_owner != owner:
    l.change_owner(new_owner)
    l.save()
  for qualifier in form.fields['qualifiers'].queryset:
    qualifier.set_for(l, qualifier in form.cleaned_data['qualifiers'])

  classifications = l.owner_vocabulary.classifications.all()
  for c in classifications:
    classification_form = ClassificationForm(
      data=form_dict, classification=c, prefix='cl' + str(c.pk))
    if classification_form.is_valid():
      cvs = ClassificationValue.objects.filter(
        pk__in=classification_form.cleaned_data['values'])
      l_cvs = l.classification_values(c)
      for cv in l_cvs:
        if cv.pk not in classification_form.cleaned_data['values']:
          cv.lexemes.remove(l) #add
      for cv in cvs:
        if cv not in l_cvs:
          cv.lexemes.add(l) #add
    else:
      raise AjaxError(error_messages(classification_form))
  for cv in l.classificationvalue_set.all():
    if cv.classification not in classifications:
      cv.lexemes.remove(l) #add

  for prefix in form_dict['deleted']:
    pk = int(prefix[3:])
    LexemeInflectionPattern.objects.get(pk=pk).delete()
  for cr_pk in form_dict['deleted_cr']:
    CrossReference.objects.get(pk=cr_pk).delete()
  submitted_lips = []
  submitted_crs = []
  submitted_attrs = []
  for pair in form_data:
    # może (?) się psuć, jeśli jest zły charfl
    name = pair['name']
    prefix = name.split('-')[0]
    print name, name.startswith('lip')
    if name.startswith('lip') and prefix not in submitted_lips:
      submitted_lips.append(prefix)
      if prefix.startswith('lip_add'):
        lip = LexemeInflectionPattern()
        lip.lexeme = l
      else:
        pk = int(prefix[3:])
        lip = LexemeInflectionPattern.objects.get(pk=pk)
      form_dict[prefix + '-qualifiers'] = get_list(
        form_data, prefix + '-qualifiers')
      lip_form = LIPEditForm(
        lexeme=l, part_of_speech=l.part_of_speech, data=form_dict, prefix=prefix,
        instance=lip, user=request.user, index=len(submitted_lips))
      if lip_form.is_valid():
        lip = lip_form.save()
        lip.root = l.get_root(lip.pattern, lip.inflection_characteristic)
        if lip.root is None:
          raise AjaxError(u'Niepasujące zakończenie formy podstawowej.')
        for qualifier in lip_form.fields['qualifiers'].queryset:
          qualifier.set_for(
            lip, qualifier in lip_form.cleaned_data['qualifiers'])
        lip.save()
      else:
        raise AjaxError(error_messages(lip_form))
    if name.startswith('cr_add') and prefix not in submitted_crs:
      submitted_crs.append(prefix)
      cr_form = CrossReferenceForm(data=form_dict, prefix=prefix)
      if cr_form.is_valid():
        cr_form.save()
      else:
        raise AjaxError(error_messages(cr_form))
    if name.startswith('attr') and prefix not in submitted_attrs:
      submitted_attrs.append(prefix)
      attr_id = prefix[len('attr'):]
      attr = LexemeAttribute.objects.get(pk=attr_id)
      attr_values = attr.values.filter(lexemes=l)
      if not attr.multiple:
        assert len(attr_values) <= 1
        if not attr.closed:
          attr_form = LexemeOpenAttributeForm(
            attribute=attr, data=form_dict, prefix=prefix)
        else:
          attr_form = LexemeClosedAttributeForm(
            attribute=attr, data=form_dict, prefix=prefix)
        if attr_form.is_valid():
          if not attr.closed:
            value = attr_form.cleaned_data['value']
            av = LexemeAttributeValue.objects.get_or_create(
              attribute=attr, value=value)
          else:
            av = attr_form.cleaned_data['value']
          if not attr_values or attr_values.get() != av:
            for av1 in attr_values:
              av1.lexemes.remove(l) #add
            av.lexemes.add(l)
      else:
        attr_form = LexemeMultipleAttributeForm(
          attribute=attr, data=form_dict, prefix=prefix)
        if attr_form.is_valid():
          new_values = attr_form.cleaned_data['value']
          for av in set(attr_values) - set(new_values):
            av.lexemes.remove(l) #add
          for av in set(new_values) - set(attr_values):
            av.lexemes.add(l) #add
  if len(submitted_lips) == 0 and l.status != 'cand':
    raise AjaxError(u'Wybierz odmianę lub ustaw status "kandydat".')
  l.refresh_forms()
  if created:
    sort_rules = json.loads(request.session['sort_rules'])
    filters = json.loads(request.session['filters'])
    query = JqGridQuery(
      filters=filters, sort_rules=sort_rules, mask=mask, user=request.user)
    key = cache_key(query)
    pk_list = cache.get(key)
    if pk_list:
      pk_list = [l.pk] + pk_list
      cache.set(key, pk_list)
  return {}

def update_lexeme_qualifiers(lexeme, user, form_dict, form_data):
  owner = lexeme.owner_vocabulary
  editable_vocabs = editable_vocabularies(user).exclude(pk=owner.pk)
  l_editable_vocabs = lexeme.editable_vocabularies(user)
  qualifiers = Qualifier.objects.filter(vocabulary__in=l_editable_vocabs)
  for qualifier in qualifiers:
    qualifier.set_for(
      lexeme, unicode(qualifier.pk) in form_dict['qualifiers'])
  for vocab in editable_vocabs:
    set_vocabulary(lexeme, vocab, vocab.pk in form_dict['vocabularies'])
  submitted_lips = []
  for pair in form_data:
    name = pair['name']
    prefix = name.split('-')[0]
    if name.startswith('lip') and prefix not in submitted_lips:
      submitted_lips.append(prefix)
      pk = int(prefix[3:])
      lip = LexemeInflectionPattern.objects.get(pk=pk)
      lip_qualifiers = get_list(form_data, prefix + '-qualifiers')
      for qualifier in qualifiers:
        qualifier.set_for(lip, unicode(qualifier.pk) in lip_qualifiers)
  return {}

def get_list(form_data, name):
  return [pair['value'] for pair in form_data if pair['name'] == name]

@ajax(method='post')
def delete_lexeme(request, lexeme_id):
  lexeme_id = int(lexeme_id)
  l = Lexeme.objects.get(pk=lexeme_id)
  if not l.perm(request.user, 'change'):
    raise AjaxError('access denied')
  l.deleted = True
  l.save()
  key_list = cache.get('key_list', [])
  for key in key_list:
    pk_list = cache.get(key)
    if pk_list and lexeme_id in pk_list:
      pk_list.remove(lexeme_id)
      cache.set(key, pk_list)
  return {}

@ajax(method='get')
def check_pos(request, pos_id, ic_id):
  ic = InflectionCharacteristic.objects.get(pk=ic_id)
  if InflectionCharacteristic.objects.filter(
       entry=ic.entry, part_of_speech__pk=pos_id):
    return {'answer': 'yes'}
  else:
    return {'answer': 'no'}

@ajax(method='get')
def check_pattern(request, pattern_name, ic_id):
  lips = LexemeInflectionPattern.objects.filter(
    inflection_characteristic__pk=ic_id, pattern__name=pattern_name)
  lips = lips.exclude(lexeme__status='cand')
  if lips.exists():
    return {'answer': 'yes'}
  else:
    return {'answer': 'no'}

@ajax(method='get')
def get_ics(request, pos_id):
  return {'ics': list(InflectionCharacteristic.objects.filter(
                        part_of_speech__pk=pos_id).values_list('pk', 'entry'))}

START_ID = 1000000

@ajax(method='post')
def create_lexeme(request, vocab_id):
  owner = Vocabulary.objects.get(pk=vocab_id)
  if request.user not in owner.all_editors():
    raise AjaxError('access denied')
  next_id = Lexeme.all_objects.filter(
    pk__gte=START_ID).aggregate(Max('id'))['id__max']
  next_id = next_id + 1 if next_id else START_ID
  l = Lexeme()
  l.id = next_id
  l.homonym_number = 1 # zanim zostanie faktycznie stworzony
  l.part_of_speech = PartOfSpeech.objects.get(symbol='subst')
  l.owner_vocabulary = owner
  l.status = 'cand'
  l.responsible = request.user
  l.deleted = True # proste i genialne!
  l.save()
  LexemeAssociation.objects.create(lexeme=l, vocabulary=owner)
  return {'id': l.id}

@ajax(method='get', login_required=True)
def homonym_count(request, entry, lexeme_id):
  lexemes = Lexeme.objects.filter(entry=entry).exclude(pk=lexeme_id)
  lexemes = filter_visible(lexemes, request.user)
  return {'count': lexemes.count()}

@ajax(method='get', login_required=True)
def cr_homonyms(request, entry, cr_type):
  cr_type = CrossReferenceType.objects.get(pk=cr_type)
  lexemes = Lexeme.objects.filter(entry=entry, part_of_speech=cr_type.to_pos)
  lexemes_data = [
    {
      'homonym_number': l.homonym_number,
      'lip_data': l.lip_data(),
    } for l in lexemes.order_by('homonym_number')
  ]
  return {'lexemes': lexemes_data}


@render('new_action_row.html')
@ajax(method='get', login_required=True, encode_result=False)
def new_action_row(request):
  form = ActionFieldForm(prefix='action_NUM')
  return {'form': form}

@ajax(method='get', login_required=True)
def dynamic_action_fields(request, field_name):
  action_form, value_form = dict(ACTION_FIELDS)[field_name][1:3]
  return {
    'action': action_form()['action'].as_widget(),
    'value': value_form(request)['value'].as_widget(),
  }

@ajax(method='post', login_required=True)
def execute_group_actions(request, actions, filters):
  if not request.user.has_perm('dictionary.change_lexeme'):
    raise AjaxError('access denied')
  if isinstance(filters, basestring):
    filters = json.loads(filters)
  query = JqGridQuery(
    filters=filters, sort_rules=[], mask='', user=request.user)
  pk_list = get_pk_list(query)
  lexemes = Lexeme.objects.filter(pk__in=pk_list)
  for l in lexemes:
    for action in actions:
      field = action['field']
      if field == 'status':
        # action['type'] == 'set'
        l.status = action['value']
      elif field == 'using_vocabulary':
        vocab = Vocabulary.objects.get(pk=action['value'])
        if action['type'] == 'add':
          set_vocabulary(l, vocab, True)
        else: # 'remove'
          if vocab != l.owner_vocabulary:
            set_vocabulary(l, vocab, False)
      else: # field == 'lexeme_qualifier'
        qual = Qualifier.objects.get(pk=action['value'])
        # a co jeśli koliduje z innym?
        if action['type'] == 'add':
          l.qualifiers.add(qual) #add
        else:
          l.qualifiers.remove(qual) #add
    l.save()
  print repr(actions), repr(filters)
  return {}


@ajax(method='post')
def save_columns(request, col_model, col_names, remap):
  request.session['colModel'] = col_model
  request.session['colNames'] = col_names
  request.session['remap'] = remap
  return {}


@ajax(method='post')
def add_vocabulary(request, name):
  if not request.user.has_perm('dictionary.manage_vocabulary'):
    raise AjaxError('access denied')
  vocab = Vocabulary.objects.create(id=name)
  vocab.managers.add(request.user) #add
  return {}

# nieużywane
@ajax(method='get')
def vocabulary_permissions(request, vocab_id):
  if not request.user.has_perm('dictionary.manage_vocabulary'):
    raise AjaxError('access denied')
  vocab = Vocabulary.objects.get(id=vocab_id)
  return {
    'managers': list(vocab.all_managers().values_list('pk', flat=True)),
    'viewers': list(vocab.all_viewers().values_list('pk', flat=True)),
    'editors': list(vocab.editors.values_list('pk', flat=True)),
  }

@ajax(method='post')
def set_vocabulary_permission(request, name, vocab_id, perm, on):
  if not request.user.has_perm('dictionary.manage_vocabulary'):
    raise AjaxError('access denied')
  vocab = Vocabulary.objects.get(id=name)
  user = User.objects.get(pk=vocab_id)
  if perm == 'view':
    related_manager = vocab.viewers
  elif perm == 'change':
    related_manager = vocab.editors
  else: # type == 'manage'
    related_manager = vocab.managers
  if on:
    related_manager.add(user) #add
  else:
    related_manager.remove(user) #add
  return {}