pattern_history.py
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# -*- coding: utf-8 -*-
from django.core.exceptions import ObjectDoesNotExist
from django.utils.translation import ugettext_lazy as _, string_concat
from common.util import GroupDict
from dictionary.models import Qualifier, Pattern, Ending, History
from patterns.models import BaseFormLabel, PatternType, Pattern
# FIXME dużo copypasty, można kiedyś zrefaktoryzować
attribute_translation_list = [
# Wzór
('wzory', 'w_id', _(u'name')),
('wzory', 'typ', _(u'type')),
('wzory', 'przyklad', _(u'example')),
('wzory', 'zakp', _(u'basic form ending')),
('wzory', 'status', _(u'status')),
('wzory', 'komentarz', _(u'comment')),
# Zakończenie
('zakonczenia', 'zind', _(u'index')),
('zakonczenia', 'efobaz', _(u'base form label')),
('zakonczenia', 'zak', _(u'ending')),
]
attribute_translation = dict(
((table, column), label)
for table, column, label in attribute_translation_list)
pattern_attribute_order = [
_(u'name'),
_(u'type'),
_(u'example'),
_(u'basic form ending'),
_(u'status'),
_(u'comment'),
]
ending_attribute_order = [
_(u'index'),
_(u'base form label'),
_(u'ending'),
# _(u'kwalifikator'),
]
def get_pattern_attr(attr, pattern):
if attr == 'w_id':
return pattern.name
elif attr == 'typ':
return unicode(pattern.type)
elif attr == 'przyklas':
return pattern.example
elif attr == 'zakp':
return pattern.basic_form_ending
elif attr == 'status':
return pattern.status
elif attr == 'komentarz':
return pattern.comment
def get_ending_attr(attr, ending):
if attr == 'zind':
return ending.index
elif attr == 'efobaz':
return ending.base_form_label.symbol
elif attr == 'zak':
return ending.string
def prepare_value(column, value):
try:
if column == 'qualifier_id':
prepared = Qualifier.all_objects.get(id=int(value)).label
elif column == 'status':
prepared = dict(Pattern.STATUS_CHOICES).get(value)
elif column == 'typ':
prepared = unicode(PatternType.objects.get(id=int(value)))
elif column == 'efobaz':
prepared = BaseFormLabel.objects.get(id=int(value)).symbol
# elif value == 'true':
# prepared = 'tak'
# elif value == 'false':
# prepared = 'nie'
else:
prepared = value
except ObjectDoesNotExist:
prepared = None
except ValueError:
prepared = None
return prepared
def ending_header(base_form_label, index):
return u'%s #%s' % (base_form_label.symbol, index)
def transaction_table(transaction_data):
transaction_dict = {}
endings = GroupDict()
ending_qualifiers = {}
deleted = False
for item1 in transaction_data:
table = item1.table_name
column = item1.column_name
if (table == 'leksemy' and column == 'deleted' and
item1.new_value == 'true' and item1.old_value == 'false'):
deleted = True
attr = None
if (table, column) in attribute_translation:
attr = attribute_translation[(table, column)]
before, after = tuple(
prepare_value(column, v)
for v in (item1.old_value, item1.new_value))
before_after = (
before if item1.operation != 'INSERT' else None,
after if item1.operation != 'DELETE' else None)
if attr:
if table not in ('zakonczenia', 'kwalifikatory_zakonczen'):
transaction_dict[attr] = before_after
elif table == 'zakonczenia':
if item1.row_id not in endings:
endings[item1.row_id] = {}
endings[item1.row_id][attr] = before_after
if table == 'kwalifikatory_zakonczen':
if item1.row_id not in ending_qualifiers:
ending_qualifiers[item1.row_id] = {}
if column:
ending_qualifiers[item1.row_id][column] = before_after
if deleted:
return deleted_pattern_table(transaction_data[0].pattern)
rows = []
for attr in pattern_attribute_order:
if attr in transaction_dict:
rows.append((attr, transaction_dict[attr]))
ending_dict = GroupDict()
for ending_id, ending_data in endings.iteritems():
for attr in ending_attribute_order:
if attr in ending_data:
ending_dict.add(ending_id, (attr, ending_data[attr]))
for q_data in ending_qualifiers.itervalues():
if q_data:
attr = _(u'qualifier')
ending_data = q_data['ending_id']
ending_id = int(ending_data[0] or ending_data[1])
ending_dict.add(ending_id, (attr, q_data['qualifier_id']))
ending_tables = []
for ending_id, ending_data in ending_dict.iteritems():
ending = Ending.all_objects.filter(pk=ending_id)
if ending:
ending = ending[0]
header = ending_header(ending.base_form_label, ending.index)
else:
records = History.objects.filter(
operation='DELETE', table_name='zakonczenia', row_id=ending_id)
bfl_id = records.get(column_name='efobaz').old_value
index = records.get(column_name='zind').old_value
try:
bfl = BaseFormLabel.objects.get(id=bfl_id)
header = string_concat(
ending_header(bfl, index), u' ', _(u'(deleted)'))
except BaseFormLabel.DoesNotExist:
header = string_concat(
_(u'(deleted)'), u' %s ' % index, _(u'(deleted)'))
ending_tables.append((header, ending_data))
return rows, ending_tables
def deleted_pattern_table(pattern):
rows = []
for table, column, attr in attribute_translation_list:
if table == 'wzory':
rows.append((
attr,
(prepare_value(
column, get_pattern_attr(column, pattern)), None)
))
ending_tables = []
for ending in pattern.genders.all():
ending_data = []
for table, column, attr in attribute_translation_list:
if table == 'zakonczenia':
ending_data.append(
(attr, (get_ending_attr(column, ending), None)))
for q in ending.qualifiers.all():
attr = _(u'qualifier')
ending_data.append((attr, (q.label, None)))
header = ending_header(ending.base_form_label, ending.index)
ending_tables.append((header, ending_data))
return rows, ending_tables
def pattern_table(transaction_data, last_tb):
rows, ending_tables = transaction_table(transaction_data)
pattern = transaction_data[0].pattern
return {
'rows': rows,
'ending_tables': ending_tables,
'user': transaction_data[0].user,
'date': last_tb,
'pattern': pattern,
}
def pattern_table_from_row(row):
transaction_data = History.objects.filter(
pattern_id=row['pattern'], user_id=row['user'],
transaction_began=row['transaction_began'])
return pattern_table(transaction_data, row['transaction_began'])
def pattern_tables(history_items):
transaction_data = []
last_tb = None
for item in history_items:
if last_tb and item.transaction_began != last_tb:
yield pattern_table(transaction_data, last_tb)
transaction_data = []
last_tb = item.transaction_began
transaction_data.append(item)
if transaction_data:
yield pattern_table(transaction_data, last_tb)