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|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from copy import copy, deepcopy
import csv
import datetime
import json
import logging
import re
import subprocess
from tempfile import NamedTemporaryFile
from django.conf import settings
from django.contrib.gis.geos import GEOSException
from django.contrib.postgres.search import SearchQuery
from django.contrib.staticfiles.templatetags.staticfiles import static
from django.core.exceptions import ObjectDoesNotExist
from django.core.urlresolvers import reverse, NoReverseMatch
from django.db.models import Q, ImageField
from django.db.models.fields import FieldDoesNotExist
from django.http import HttpResponse
from django.shortcuts import render
from django.template import loader
from django.utils.translation import ugettext, ugettext_lazy as _
from tidylib import tidy_document as tidy
from unidecode import unidecode
from weasyprint import HTML, CSS
from weasyprint.fonts import FontConfiguration
from ishtar_common.utils import check_model_access_control, CSV_OPTIONS, \
get_all_field_names
from ishtar_common.models import HistoryError, get_current_profile, \
PRIVATE_FIELDS
from menus import Menu
import models
from archaeological_files.models import File
from archaeological_operations.models import Operation
from archaeological_context_records.models import ContextRecord
from archaeological_finds.models import Find, FindBasket, Treatment, \
TreatmentFile
logger = logging.getLogger(__name__)
ENCODING = settings.ENCODING or 'utf-8'
CURRENT_ITEM_KEYS = (('file', File),
('operation', Operation),
('contextrecord', ContextRecord),
('find', Find),
('treatmentfile', TreatmentFile),
('treatment', Treatment))
CURRENT_ITEM_KEYS_DICT = dict(CURRENT_ITEM_KEYS)
def get_autocomplete_item(model, extra=None):
if not extra:
extra = {}
def func(request, current_right=None):
q = request.GET.get('term') or ""
query = Q(**extra)
for q in q.split(' '):
if not q:
continue
query = query & Q(cached_label__icontains=q)
limit = 20
objects = model.objects.filter(query)[:limit]
data = json.dumps([{'id': obj.pk, 'value': obj.cached_label}
for obj in objects])
return HttpResponse(data, content_type='text/plain')
return func
def check_permission(request, action_slug, obj_id=None):
MAIN_MENU = Menu(request.user)
MAIN_MENU.init()
if action_slug not in MAIN_MENU.items:
# TODO
return True
if obj_id:
return MAIN_MENU.items[action_slug].is_available(
request.user, obj_id, session=request.session)
return MAIN_MENU.items[action_slug].can_be_available(
request.user, session=request.session)
def new_item(model, frm, many=False):
def func(request, parent_name, limits=''):
model_name = model._meta.object_name
if not check_permission(request, 'add_' + model_name.lower()):
not_permitted_msg = ugettext(u"Operation not permitted.")
return HttpResponse(not_permitted_msg)
dct = {'title': unicode(_(u'New %s' % model_name.lower())),
'many': many}
if request.method == 'POST':
dct['form'] = frm(request.POST, limits=limits)
if dct['form'].is_valid():
new_item = dct['form'].save(request.user)
dct['new_item_label'] = unicode(new_item)
dct['new_item_pk'] = new_item.pk
dct['parent_name'] = parent_name
dct['parent_pk'] = parent_name
if dct['parent_pk'] and '_select_' in dct['parent_pk']:
parents = dct['parent_pk'].split('_')
dct['parent_pk'] = "_".join([parents[0]] + parents[2:])
return render(request, 'window.html', dct)
else:
dct['form'] = frm(limits=limits)
return render(request, 'window.html', dct)
return func
def display_item(model, extra_dct=None, show_url=None):
def func(request, pk, **dct):
if show_url:
dct['show_url'] = "/{}{}/".format(show_url, pk)
else:
dct['show_url'] = "/show-{}/{}/".format(model.SLUG, pk)
return render(request, 'ishtar/display_item.html', dct)
return func
def show_item(model, name, extra_dct=None):
def func(request, pk, **dct):
allowed, own = check_model_access_control(request, model)
if not allowed:
return HttpResponse('', content_type="application/xhtml")
q = model.objects
if own:
query_own = model.get_query_owns(request.user)
if query_own:
q = q.filter(query_own)
try:
item = q.get(pk=pk)
except ObjectDoesNotExist:
return HttpResponse('NOK')
doc_type = 'type' in dct and dct.pop('type')
url_name = u"/".join(reverse('show-' + name, args=['0', '']
).split('/')[:-2]) + u"/"
dct['CURRENCY'] = get_current_profile().currency
dct['ENCODING'] = settings.ENCODING
dct['DOT_GENERATION'] = settings.DOT_BINARY and True
dct['current_window_url'] = url_name
date = None
if 'date' in dct:
date = dct.pop('date')
dct['sheet_id'] = "%s-%d" % (name, item.pk)
dct['window_id'] = "%s-%d-%s" % (
name, item.pk, datetime.datetime.now().strftime('%M%s'))
if hasattr(item, 'history'):
if date:
try:
date = datetime.datetime.strptime(date,
'%Y-%m-%dT%H:%M:%S.%f')
item = item.get_previous(date=date)
assert item is not None
except (ValueError, AssertionError):
return HttpResponse(None, content_type='text/plain')
dct['previous'] = item._previous
dct['next'] = item._next
else:
historized = item.history.all()
if historized:
item.history_date = historized[0].history_date
if len(historized) > 1:
dct['previous'] = historized[1].history_date
dct['item'], dct['item_name'] = item, name
# add context
if extra_dct:
dct.update(extra_dct(request, item))
context_instance = deepcopy(dct)
context_instance['output'] = 'html'
if hasattr(item, 'history_object'):
filename = item.history_object.associated_filename
else:
filename = item.associated_filename
if doc_type == "odt" and settings.ODT_TEMPLATE:
tpl = loader.get_template('ishtar/sheet_%s.html' % name)
context_instance['output'] = 'ODT'
content = tpl.render(context_instance, request)
tidy_options = {'output-xhtml': 1, 'indent': 1,
'tidy-mark': 0, 'doctype': 'auto',
'add-xml-decl': 1, 'wrap': 1}
html, errors = tidy(content, options=tidy_options)
html = html.encode('utf-8').replace(" ", " ")
html = re.sub('<pre([^>]*)>\n', '<pre\\1>', html)
odt = NamedTemporaryFile()
html_source = NamedTemporaryFile()
with open(html_source.name, 'w') as html_file:
html_file.write(html)
pandoc_args = ["pandoc", "-f", "html", "-t", "odt",
"-o", odt.name, html_source.name]
try:
subprocess.check_call(pandoc_args)
except subprocess.CalledProcessError:
return HttpResponse(content,
content_type="application/xhtml")
response = HttpResponse(
content_type='application/vnd.oasis.opendocument.text')
response['Content-Disposition'] = \
'attachment; filename={}.odt'.format(filename)
with open(odt.name, 'r') as odt_file:
response.write(odt_file.read())
return response
elif doc_type == 'pdf':
tpl = loader.get_template('ishtar/sheet_%s_pdf.html' % name)
context_instance['output'] = 'PDF'
html = tpl.render(context_instance, request)
font_config = FontConfiguration()
css = CSS(string='''
@font-face {
font-family: Gentium;
src: url(%s);
}
body{
font-family: Gentium
}
''' % (static("gentium/GentiumPlus-R.ttf")))
css2 = CSS(filename=settings.STATIC_ROOT + '/media/style_basic.css')
pdf = HTML(string=html, base_url=request.build_absolute_uri()
).write_pdf(stylesheets=[css, css2],
font_config=font_config)
response = HttpResponse(pdf, content_type='application/pdf')
response['Content-Disposition'] = 'attachment; filename=%s.pdf' % \
filename
return response
else:
tpl = loader.get_template('ishtar/sheet_%s_window.html' % name)
content = tpl.render(context_instance, request)
return HttpResponse(content, content_type="application/xhtml")
return func
def revert_item(model):
def func(request, pk, date, **dct):
try:
item = model.objects.get(pk=pk)
date = datetime.datetime.strptime(date, '%Y-%m-%dT%H:%M:%S.%f')
item.rollback(date)
except (ObjectDoesNotExist, ValueError, HistoryError):
return HttpResponse(None, content_type='text/plain')
return HttpResponse("True", content_type='text/plain')
return func
HIERARCHIC_LEVELS = 5
HIERARCHIC_FIELDS = ['periods', 'period', 'unit', 'material_types',
'material_type', 'conservatory_state', 'object_types']
def _get_values(request, val):
if hasattr(val, 'all'): # manage related objects
vals = list(val.all())
else:
vals = [val]
new_vals = []
for v in vals:
if callable(v):
v = v()
if hasattr(v, 'url'):
v = request.is_secure() and \
'https' or 'http' + '://' + \
request.get_host() + v.url
new_vals.append(v)
return new_vals
def _push_to_list(obj, current_group, depth):
"""
parse_parentheses helper function
"""
try:
while depth > 0:
current_group = current_group[-1]
depth -= 1
except IndexError:
# tolerant to parentheses mismatch
pass
if current_group and type(obj) in (unicode, str) and \
type(current_group[-1]) in (unicode, str):
current_group[-1] += obj
else:
current_group.append(obj)
def _parse_parentheses(s):
"""
Parse parentheses into list.
(OA01 & (pierre | ciseau)) -> ["0A01 &", ["pierre | ciseau"]]
"""
groups = []
depth = 0
for char in s:
if char == u'(':
_push_to_list([], groups, depth)
depth += 1
elif char == ')':
if depth > 0:
depth -= 1
else:
_push_to_list(char, groups, depth)
# for non tolerant to parentheses mismatch check depth is equal to 0
return groups
FORBIDDEN_CHAR = [u":"]
RESERVED_CHAR = [u"|", u"&"]
def _parse_query_string(string, request_keys, current_dct):
string = string.strip().lower()
if u"=" in string:
splited = string.split(u"=")
if len(splited) == 2 and splited[0] in request_keys:
term, query = splited
term = request_keys[term]
current_dct[term] = query
return ""
for reserved_char in FORBIDDEN_CHAR:
string = string.replace(reserved_char, u"")
if len(string) != 1:
for reserved_char in RESERVED_CHAR:
string = string.replace(reserved_char, u"")
# like search
if string.endswith(u'*'):
string = string[:-1] + u':*'
return string
def _parse_parentheses_groups(groups, request_keys, current_dct=None):
"""
Transform parentheses groups to query
:param groups: groups to transform (list)
:param request_keys: request keys for facet search
:param current_dct:
:return: query string, query dict
"""
if not current_dct:
current_dct = {}
if type(groups) is not list:
string = groups.strip()
# split into many groups if spaces
# do not split inside quotes
current_index = 0
found = string.find('"', current_index)
SEP = u"?ç;?" # replace spaces inside quote with this characters
previous_quote = None
while found != -1:
if previous_quote:
string = string[0:previous_quote] + \
string[previous_quote:found].replace(u' ', SEP) + \
string[found:]
previous_quote = None
# SEP is larger than a space
found = string.find('"', current_index)
else:
previous_quote = found
current_index = found + 1
found = string.find('"', current_index)
string_groups = [gp.replace(SEP, u" ") for gp in string.split(u" ")]
if len(string_groups) == 1:
return _parse_query_string(string_groups[0], request_keys,
current_dct), current_dct
return _parse_parentheses_groups(string_groups,
request_keys, current_dct)
if not groups: # empty list
return "", current_dct
query = u"("
previous_sep, has_item = None, False
for item in groups:
q, current_dct = _parse_parentheses_groups(item, request_keys,
current_dct)
q = q.strip()
if not q:
continue
if q in (u"|", u"&"):
if previous_sep or not has_item:
continue # multiple sep is not relevant
previous_sep = q
continue
if has_item:
if previous_sep:
query += previous_sep
else:
query += u" & "
query += q
has_item = True
previous_sep = None
query += u")"
if query == u"()":
query = u""
return unidecode(query), current_dct
def _search_manage_search_vector(dct, request_keys):
if 'search_vector' not in dct:
return dct
parentheses_groups = _parse_parentheses(dct['search_vector'].strip())
search_query, extra_dct = _parse_parentheses_groups(parentheses_groups,
request_keys)
dct.update(extra_dct)
if search_query:
dct['extras'].append(
{'where': ["search_vector @@ (to_tsquery(%s, %s)) = true"],
'params': [settings.ISHTAR_SEARCH_LANGUAGE,
search_query]}
)
return dct
def _format_val(val):
if val is None:
return u""
if type(val) == bool:
if val:
return unicode(_(u"True"))
else:
return unicode(_(u"False"))
if type(val) == str:
val = val.decode('utf-8')
return unicode(val)
DEFAULT_ROW_NUMBER = 10
# length is used by ajax DataTables requests
EXCLUDED_FIELDS = ['length']
def get_item(model, func_name, default_name, extra_request_keys=[],
base_request=None, bool_fields=[], reversed_bool_fields=[],
dated_fields=[], associated_models=[], relative_session_names=[],
specific_perms=[], own_table_cols=None, relation_types_prefix={},
do_not_deduplicate=False):
"""
Generic treatment of tables
:param model: model used for query
:param func_name: name of the function (used for session storage)
:param default_name: key used for default search in session
:param extra_request_keys: default query limitation
:param base_request:
:param bool_fields:
:param reversed_bool_fields:
:param dated_fields:
:param associated_models:
:param relative_session_names:
:param specific_perms:
:param own_table_cols:
:param relation_types_prefix:
:param do_not_deduplicate: duplication of id can occurs on large queryset a
mecanism of deduplication is used. But duplicate ids can be normal (for
instance for record_relations view).
:return:
"""
def func(request, data_type='json', full=False, force_own=False,
col_names=None, **dct):
available_perms = []
if specific_perms:
available_perms = specific_perms[:]
EMPTY = ''
if 'type' in dct:
data_type = dct.pop('type')
if not data_type:
EMPTY = '[]'
data_type = 'json'
allowed, own = check_model_access_control(request, model,
available_perms)
if not allowed:
return HttpResponse(EMPTY, content_type='text/plain')
if force_own:
own = True
if full == 'shortcut' and 'SHORTCUT_SEARCH' in request.session and \
request.session['SHORTCUT_SEARCH'] == 'own':
own = True
# get defaults from model
if not extra_request_keys and hasattr(model, 'EXTRA_REQUEST_KEYS'):
my_extra_request_keys = copy(model.EXTRA_REQUEST_KEYS)
else:
my_extra_request_keys = copy(extra_request_keys)
if base_request is None and hasattr(model, 'BASE_REQUEST'):
my_base_request = copy(model.BASE_REQUEST)
elif base_request is not None:
my_base_request = copy(base_request)
else:
my_base_request = {}
if not bool_fields and hasattr(model, 'BOOL_FIELDS'):
my_bool_fields = model.BOOL_FIELDS[:]
else:
my_bool_fields = bool_fields[:]
if not reversed_bool_fields and hasattr(model, 'REVERSED_BOOL_FIELDS'):
my_reversed_bool_fields = model.REVERSED_BOOL_FIELDS[:]
else:
my_reversed_bool_fields = reversed_bool_fields[:]
if not dated_fields and hasattr(model, 'DATED_FIELDS'):
my_dated_fields = model.DATED_FIELDS[:]
else:
my_dated_fields = dated_fields[:]
if not associated_models and hasattr(model, 'ASSOCIATED_MODELS'):
my_associated_models = model.ASSOCIATED_MODELS[:]
else:
my_associated_models = associated_models[:]
if not relative_session_names and hasattr(model,
'RELATIVE_SESSION_NAMES'):
my_relative_session_names = model.RELATIVE_SESSION_NAMES[:]
else:
my_relative_session_names = relative_session_names[:]
if not relation_types_prefix and hasattr(model,
'RELATION_TYPES_PREFIX'):
my_relation_types_prefix = copy(model.RELATION_TYPES_PREFIX)
else:
my_relation_types_prefix = copy(relation_types_prefix)
general_types = model.general_types()
fields = [model._meta.get_field(k)
for k in get_all_field_names(model)]
request_keys = dict([
(field.name,
field.name + (hasattr(field, 'rel') and field.rel and '__pk'
or ''))
for field in fields])
for associated_model, key in my_associated_models:
if type(associated_model) in (str, unicode):
if associated_model not in globals():
continue
associated_model = globals()[associated_model]
associated_fields = [
associated_model._meta.get_field(k)
for k in get_all_field_names(associated_model)]
request_keys.update(
dict([(key + "__" + field.name,
key + "__" + field.name +
(hasattr(field, 'rel') and field.rel and '__pk' or ''))
for field in associated_fields]))
request_keys.update(my_extra_request_keys)
request_items = request.method == 'POST' and request.POST \
or request.GET
# pager
try:
row_nb = int(request_items.get('length'))
except (ValueError, TypeError):
row_nb = DEFAULT_ROW_NUMBER
dct_request_items = {}
# filter requested fields
for k in request_items:
if k in EXCLUDED_FIELDS:
continue
key = k[:]
if key.startswith('searchprefix_'):
key = key[len('searchprefix_'):]
dct_request_items[key] = request_items[k]
request_items = dct_request_items
dct = my_base_request
if full == 'shortcut':
dct['cached_label__icontains'] = request.GET.get('term', None)
and_reqs, or_reqs = [], []
try:
old = 'old' in request_items and int(request_items['old'])
except ValueError:
return HttpResponse('[]', content_type='text/plain')
# manage relations types
if 'relation_types' not in my_relation_types_prefix:
my_relation_types_prefix['relation_types'] = ''
relation_types = {}
for rtype_key in my_relation_types_prefix:
relation_types[my_relation_types_prefix[rtype_key]] = set()
for k in request_items:
if k.startswith(rtype_key):
relation_types[my_relation_types_prefix[rtype_key]].add(
request_items[k])
continue
for k in request_keys:
val = request_items.get(k)
if not val:
continue
req_keys = request_keys[k]
if type(req_keys) not in (list, tuple):
dct[req_keys] = val
continue
# multiple choice target
reqs = Q(**{req_keys[0]: val})
for req_key in req_keys[1:]:
q = Q(**{req_key: val})
reqs |= q
and_reqs.append(reqs)
pinned_search = ""
if 'submited' not in request_items and full != 'shortcut':
# default search
# an item is selected in the default menu
if default_name in request.session and \
request.session[default_name]:
value = request.session[default_name]
if 'basket-' in value:
try:
dct = {"basket__pk":
request.session[default_name].split('-')[-1]}
pinned_search = unicode(FindBasket.objects.get(
pk=dct["basket__pk"]))
except FindBasket.DoesNotExist:
pass
else:
try:
dct = {"pk": request.session[default_name]}
pinned_search = unicode(model._meta.verbose_name) \
+ u" - " + unicode(
model.objects.get(pk=dct["pk"]))
except model.DoesNotExist:
pass
elif dct == (my_base_request or {}):
# a parent item may be selected in the default menu
for name, key in my_relative_session_names:
if name in request.session and request.session[name] \
and 'basket-' not in request.session[name] \
and name in CURRENT_ITEM_KEYS_DICT:
up_model = CURRENT_ITEM_KEYS_DICT[name]
try:
dct.update({key: request.session[name]})
pinned_search = unicode(up_model._meta.verbose_name) \
+ u" - " + unicode(
up_model.objects.get(pk=dct[key]))
break
except up_model.DoesNotExist:
pass
if (not dct or data_type == 'csv') \
and func_name in request.session:
dct = request.session[func_name]
else:
request.session[func_name] = dct
dct['extras'] = []
dct = _search_manage_search_vector(dct, request_keys)
search_vector = ""
if 'search_vector' in dct:
search_vector = dct.pop('search_vector')
for k in (list(my_bool_fields) + list(my_reversed_bool_fields)):
if k in dct:
if dct[k] == u"1":
dct.pop(k)
else:
dct[k] = dct[k] == u"2" and True or False
if k in my_reversed_bool_fields:
dct[k] = not dct[k]
# check also for empty value with image field
field_name = k.split('__')[0]
# TODO: can be improved in later version of Django
try:
c_field = model._meta.get_field(field_name)
if k.endswith('__isnull') and \
isinstance(c_field, ImageField):
if dct[k]:
or_reqs.append(
(k, {k.split('__')[0] + '__exact': ''}))
else:
dct[k.split('__')[0] + '__regex'] = '.{1}.*'
except FieldDoesNotExist:
pass
for k in my_dated_fields:
if k in dct:
if not dct[k]:
dct.pop(k)
try:
items = dct[k].split('/')
assert len(items) == 3
dct[k] = datetime.date(*map(lambda x: int(x),
reversed(items))) \
.strftime('%Y-%m-%d')
except AssertionError:
dct.pop(k)
# manage hierarchic conditions
for req in dct.copy():
if req.endswith('areas__pk'):
val = dct.pop(req)
reqs = Q(**{req: val})
base_req = req[:-2] + '__'
req = base_req[:]
for idx in range(HIERARCHIC_LEVELS):
req = req[:-2] + 'parent__pk'
q = Q(**{req: val})
reqs |= q
req = base_req[:]
for idx in range(HIERARCHIC_LEVELS):
req = req[:-2] + 'children__pk'
q = Q(**{req: val})
reqs |= q
and_reqs.append(reqs)
continue
if req.endswith('town__pk') or req.endswith('towns__pk'):
val = dct.pop(req)
reqs = Q(**{req: val})
base_req = req[:-2] + '__'
req = base_req[:]
for idx in range(HIERARCHIC_LEVELS):
req = req[:-2] + 'parents__pk'
q = Q(**{req: val})
reqs |= q
req = base_req[:]
for idx in range(HIERARCHIC_LEVELS):
req = req[:-2] + 'children__pk'
q = Q(**{req: val})
reqs |= q
and_reqs.append(reqs)
continue
for k_hr in HIERARCHIC_FIELDS:
if type(req) in (list, tuple):
val = dct.pop(req)
q = None
for idx, r in enumerate(req):
if not idx:
q = Q(**{r: val})
else:
q |= Q(**{r: val})
and_reqs.append(q)
break
elif req.endswith(k_hr + '__pk'):
val = dct.pop(req)
if u";" in val:
# OR request
values = val.split(u";")
else:
values = [val]
base_req = req[:]
reqs = None
for val in values:
suffix = "pk"
req = base_req[:]
if val.startswith(u'"') and val.startswith(u'"'):
# manage search text by label
if u"*" in val:
suffix = "label__icontains"
val = val.replace(u'*', u"")
else:
suffix = "label__iexact"
val = val[1:-1]
req = req[:-2] + suffix
if not reqs:
reqs = Q(**{req: val})
else:
reqs |= Q(**{req: val})
for idx in range(HIERARCHIC_LEVELS):
req = req[:-(len(suffix))] + 'parent__' + suffix
q = Q(**{req: val})
reqs |= q
if reqs:
and_reqs.append(reqs)
break
# manage search text by label
for base_k in general_types:
if base_k in HIERARCHIC_FIELDS:
continue
k = base_k + "__pk"
if k not in dct or not dct[k].startswith(u'"') \
or not dct[k].startswith(u'"'):
continue
val = dct.pop(k)
if u";" in val:
# OR request
values = val.split(u";")
else:
values = [val]
reqs = None
for val in values:
if not val.endswith(u'"') or not val.startswith(u""):
continue
suffix = "__label__icontains" if u"%" in val else \
"__label__iexact"
query = val[1:-1].replace(u'*', u"")
if not reqs:
reqs = Q(**{base_k + suffix: query})
else:
reqs |= Q(**{base_k + suffix: query})
if reqs:
and_reqs.append(reqs)
extras = dct.pop('extras')
query = Q(**dct)
for k, or_req in or_reqs:
alt_dct = dct.copy()
alt_dct.pop(k)
alt_dct.update(or_req)
query |= Q(**alt_dct)
for rtype_prefix in relation_types:
vals = list(relation_types[rtype_prefix])
if not vals:
continue
alt_dct = {
rtype_prefix + 'right_relations__relation_type__pk__in': vals}
for k in dct:
val = dct[k]
if rtype_prefix:
# only get conditions related to the object
if rtype_prefix not in k:
continue
# tricky: reconstruct the key to make sense - remove the
# prefix from the key
k = k[0:k.index(rtype_prefix)] + k[
k.index(rtype_prefix) + len(rtype_prefix):]
if k.endswith('year'):
k += '__exact'
alt_dct[rtype_prefix + 'right_relations__right_record__' + k] = \
val
if not dct:
# fake condition to trick Django (1.4): without it only the
# alt_dct is managed
query &= Q(pk__isnull=False)
query |= Q(**alt_dct)
for k, or_req in or_reqs:
altor_dct = alt_dct.copy()
altor_dct.pop(k)
for j in or_req:
val = or_req[j]
if j == 'year':
j = 'year__exact'
altor_dct[
rtype_prefix + 'right_relations__right_record__' + j] = \
val
query |= Q(**altor_dct)
if own:
q = models.IshtarUser.objects.filter(user_ptr=request.user)
if q.count():
query = query & model.get_query_owns(q.all()[0])
else:
return HttpResponse(EMPTY, content_type='text/plain')
for and_req in and_reqs:
query = query & and_req
# manage hierarchic in shortcut menu
if full == 'shortcut':
ASSOCIATED_ITEMS = {
Operation: (File, 'associated_file__pk'),
ContextRecord: (Operation, 'operation__pk'),
Find: (ContextRecord, 'base_finds__context_record__pk'),
}
if model in ASSOCIATED_ITEMS:
upper_model, upper_key = ASSOCIATED_ITEMS[model]
model_name = upper_model.SLUG
current = model_name in request.session \
and request.session[model_name]
if current:
dct = {upper_key: current}
query &= Q(**dct)
items = model.objects.filter(query)
for extra in extras:
items = items.extra(**extra)
items = items.distinct()
# print(items.query)
if search_vector: # for serialization
dct['search_vector'] = search_vector
# table cols
if own_table_cols:
table_cols = own_table_cols
else:
if full:
table_cols = [field.name for field in model._meta.fields
if field.name not in PRIVATE_FIELDS]
table_cols += [field.name for field in model._meta.many_to_many
if field.name not in PRIVATE_FIELDS]
if hasattr(model, 'EXTRA_FULL_FIELDS'):
table_cols += model.EXTRA_FULL_FIELDS
else:
table_cols = model.TABLE_COLS
query_table_cols = []
for cols in table_cols:
if type(cols) not in (list, tuple):
cols = [cols]
for col in cols:
query_table_cols += col.split('|')
# contextual (full, simple, etc.) col
contxt = full and 'full' or 'simple'
if hasattr(model, 'CONTEXTUAL_TABLE_COLS') and \
contxt in model.CONTEXTUAL_TABLE_COLS:
for idx, col in enumerate(table_cols):
if col in model.CONTEXTUAL_TABLE_COLS[contxt]:
query_table_cols[idx] = \
model.CONTEXTUAL_TABLE_COLS[contxt][col]
if full == 'shortcut':
query_table_cols = ['cached_label']
table_cols = ['cached_label']
# manage sort tables
manual_sort_key = None
sorts = {}
for k in request_items:
if not k.startswith('order['):
continue
num = int(k.split(']')[0][len("order["):])
if num not in sorts:
sorts[num] = ['', ''] # sign, col_num
if k.endswith('[dir]'):
order = request_items[k]
sign = order and order == u'desc' and "-" or ''
sorts[num][0] = sign
if k.endswith('[column]'):
sorts[num][1] = request_items[k]
sign = ""
if not sorts and model._meta.ordering:
orders = [k for k in model._meta.ordering]
items = items.order_by(*orders)
else:
orders = []
for idx in sorted(sorts.keys()):
signe, col_num = sorts[idx]
k = query_table_cols[int(col_num) - 2] # remove id and link col
if k in request_keys:
ks = request_keys[k]
if type(ks) not in (tuple, list):
ks = [ks]
for k in ks:
if k.endswith("__pk"):
k = k[:-len("__pk")] + "__label"
if '__' in k:
k = k.split('__')[0]
orders.append(signe + k)
else:
# not a standard request key
if idx: # not the first - we ignore this sort
continue
sign = signe
manual_sort_key = k
logger.warning(
"**WARN get_item - {}**: manual sort key '{}'".format(
func_name, k))
break
if not manual_sort_key:
items = items.order_by(*orders)
# pager management
start, end = 0, None
page_nb = 1
if row_nb and data_type == "json":
try:
start = int(request_items.get('start'))
page_nb = start / row_nb + 1
assert page_nb >= 1
except (TypeError, ValueError, AssertionError):
start = 0
page_nb = 1
end = page_nb * row_nb
if full == 'shortcut':
start = 0
end = 20
items_nb = items.count()
if manual_sort_key:
items = items.all()
else:
items = items[start:end]
datas = []
if old:
items = [item.get_previous(old) for item in items]
c_ids = []
for item in items:
# manual deduplicate when distinct is not enough
if not do_not_deduplicate and item.pk in c_ids:
continue
c_ids.append(item.pk)
data = [item.pk]
for keys in query_table_cols:
if type(keys) not in (list, tuple):
keys = [keys]
my_vals = []
for k in keys:
if hasattr(model, 'EXTRA_REQUEST_KEYS') \
and k in model.EXTRA_REQUEST_KEYS:
k = model.EXTRA_REQUEST_KEYS[k]
if type(k) in (list, tuple):
k = k[0]
for filtr in ('__icontains', '__contains'):
if k.endswith(filtr):
k = k[:len(k) - len(filtr)]
vals = [item]
# foreign key may be divided by "." or "__"
splitted_k = []
for ky in k.split('.'):
if '__' in ky:
splitted_k += ky.split('__')
else:
splitted_k.append(ky)
for ky in splitted_k:
new_vals = []
for val in vals:
if hasattr(val, 'all'): # manage related objects
val = list(val.all())
for v in val:
v = getattr(v, ky)
new_vals += _get_values(request, v)
elif val:
try:
val = getattr(val, ky)
new_vals += _get_values(request, val)
except (AttributeError, GEOSException):
# must be a query key such as "contains"
pass
vals = new_vals
# manage last related objects
if vals and hasattr(vals[0], 'all'):
new_vals = []
for val in vals:
new_vals += list(val.all())
vals = new_vals
if not my_vals:
my_vals = [_format_val(va) for va in vals]
else:
new_vals = []
if not vals:
for idx, my_v in enumerate(my_vals):
new_vals.append(u"{}{}{}".format(
my_v, u' - ', ''))
else:
for idx, v in enumerate(vals):
new_vals.append(u"{}{}{}".format(
vals[idx], u' - ', _format_val(v)))
my_vals = new_vals[:]
data.append(u" & ".join(my_vals) or u"")
datas.append(data)
if manual_sort_key:
# +1 because the id is added as a first col
idx_col = None
if manual_sort_key in query_table_cols:
idx_col = query_table_cols.index(manual_sort_key) + 1
else:
for idx, col in enumerate(query_table_cols):
if type(col) in (list, tuple) and \
manual_sort_key in col:
idx_col = idx + 1
if idx_col is not None:
datas = sorted(datas, key=lambda x: x[idx_col])
if sign == '-':
datas = reversed(datas)
datas = list(datas)[start:end]
link_template = "<a class='display_details' href='#' " \
"onclick='load_window(\"%s\")'>" \
"<i class=\"fa fa-info-circle\" aria-hidden=\"true\"></i></a>"
link_ext_template = '<a href="{}" target="_blank">{}</a>'
if data_type == "json":
rows = []
for data in datas:
try:
lnk = link_template % reverse('show-' + default_name,
args=[data[0], ''])
except NoReverseMatch:
logger.warning(
'**WARN "show-' + default_name + '" args ('
+ unicode(data[0]) + ") url not available")
lnk = ''
res = {'id': data[0], 'link': lnk}
for idx, value in enumerate(data[1:]):
if value:
table_col = table_cols[idx]
if type(table_col) not in (list, tuple):
table_col = [table_col]
tab_cols = []
# foreign key may be divided by "." or "__"
for tc in table_col:
if '.' in tc:
tab_cols += tc.split('.')
elif '__' in tc:
tab_cols += tc.split('__')
else:
tab_cols.append(tc)
k = "__".join(tab_cols)
if hasattr(model, 'COL_LINK') and k in model.COL_LINK:
value = link_ext_template.format(value, value)
res[k] = value
if full == 'shortcut' and 'cached_label' in res:
res['value'] = res.pop('cached_label')
rows.append(res)
if full == 'shortcut':
data = json.dumps(rows)
else:
data = json.dumps({
"recordsTotal": items_nb,
"recordsFiltered": items_nb,
"rows": rows,
"pinned-search": pinned_search,
"page": page_nb,
"total": (items_nb / row_nb + 1) if row_nb else items_nb,
})
return HttpResponse(data, content_type='text/plain')
elif data_type == "csv":
response = HttpResponse(content_type='text/csv')
n = datetime.datetime.now()
filename = u'%s_%s.csv' % (default_name,
n.strftime('%Y%m%d-%H%M%S'))
response['Content-Disposition'] = 'attachment; filename=%s' \
% filename
writer = csv.writer(response, **CSV_OPTIONS)
if col_names:
col_names = [name.encode(ENCODING, errors='replace')
for name in col_names]
else:
col_names = []
for field_name in table_cols:
if type(field_name) in (list, tuple):
field_name = u" & ".join(field_name)
if hasattr(model, 'COL_LABELS') and \
field_name in model.COL_LABELS:
field = model.COL_LABELS[field_name]
col_names.append(unicode(field).encode(ENCODING))
continue
else:
try:
field = model._meta.get_field(field_name)
except:
col_names.append(u"".encode(ENCODING))
logger.warning(
"**WARN get_item - csv export**: no col name "
"for {}\nadd explicit label to "
"COL_LABELS attribute of "
"{}".format(field_name, model))
continue
col_names.append(
unicode(field.verbose_name).encode(ENCODING))
writer.writerow(col_names)
for data in datas:
row, delta = [], 0
# regroup cols with join "|"
for idx, col_name in enumerate(table_cols):
if len(data[1:]) <= idx + delta:
break
val = data[1:][idx + delta].encode(
ENCODING, errors='replace')
if col_name and "|" in col_name[0]:
for delta_idx in range(
len(col_name[0].split('|')) - 1):
delta += 1
val += data[1:][idx + delta].encode(
ENCODING, errors='replace')
row.append(val)
writer.writerow(row)
return response
return HttpResponse('{}', content_type='text/plain')
return func
|