|
1
|
|
|
# -*- coding: utf-8 -*- |
|
2
|
|
|
|
|
3
|
|
|
import json |
|
4
|
|
|
|
|
5
|
|
|
import Missing |
|
6
|
|
|
from Acquisition import aq_base |
|
7
|
|
|
from Acquisition import aq_inner |
|
8
|
|
|
from bika.lims import api |
|
9
|
|
|
from Products.CMFPlone.utils import base_hasattr |
|
10
|
|
|
from senaite.core import logger |
|
11
|
|
|
from senaite.core.interfaces import IReferenceWidgetDataProvider |
|
12
|
|
|
from zope.interface import implementer |
|
13
|
|
|
|
|
14
|
|
|
_marker = object() |
|
15
|
|
|
MISSING_VALUES = [_marker, Missing.Value] |
|
16
|
|
|
|
|
17
|
|
|
|
|
18
|
|
|
@implementer(IReferenceWidgetDataProvider) |
|
19
|
|
|
class ReferenceWidgetDataProvider(object): |
|
20
|
|
|
def __init__(self, context, request): |
|
21
|
|
|
self.request = request |
|
22
|
|
|
self.context = context |
|
23
|
|
|
|
|
24
|
|
|
def get_field_name(self): |
|
25
|
|
|
"""Return the field name |
|
26
|
|
|
""" |
|
27
|
|
|
return self.request.get("field_name", None) |
|
28
|
|
|
|
|
29
|
|
|
def get_columns(self): |
|
30
|
|
|
"""Return the requested columns |
|
31
|
|
|
""" |
|
32
|
|
|
columns = self.request.get("column_names", []) |
|
33
|
|
|
if api.is_string(columns): |
|
34
|
|
|
# seems to be converted to string only if only one column exists. |
|
35
|
|
|
return [columns] |
|
36
|
|
|
return columns |
|
37
|
|
|
|
|
38
|
|
|
def lookup(self, brain_or_object, name, default=None): |
|
39
|
|
|
"""Lookup a named attribute on the brain/object |
|
40
|
|
|
""" |
|
41
|
|
|
if base_hasattr(brain_or_object, name): |
|
42
|
|
|
value = getattr(aq_base(aq_inner(brain_or_object)), name, _marker) |
|
43
|
|
|
else: |
|
44
|
|
|
value = _marker |
|
45
|
|
|
|
|
46
|
|
|
# wake up the object |
|
47
|
|
|
if value is _marker: |
|
48
|
|
|
logger.info("No catalog metadata found for '{name}'" |
|
49
|
|
|
"in catalog {catalog}. Waking up the object!".format( |
|
50
|
|
|
name=name, catalog=brain_or_object.aq_parent.id)) |
|
51
|
|
|
obj = api.get_object(brain_or_object) |
|
52
|
|
|
value = getattr(obj, name, default) |
|
53
|
|
|
|
|
54
|
|
|
# Fallback to the default value if we do not have a catalog metadata |
|
55
|
|
|
if value in MISSING_VALUES: |
|
56
|
|
|
value = default |
|
57
|
|
|
|
|
58
|
|
|
if callable(value): |
|
59
|
|
|
value = value() |
|
60
|
|
|
|
|
61
|
|
|
try: |
|
62
|
|
|
json.dumps(value) |
|
63
|
|
|
return value |
|
64
|
|
|
except TypeError: |
|
65
|
|
|
# not JSON serializable |
|
66
|
|
|
return default |
|
67
|
|
|
|
|
68
|
|
|
def get_base_info(self, brain_or_object): |
|
69
|
|
|
"""Return the base information for the brain or object |
|
70
|
|
|
""" |
|
71
|
|
|
id = self.lookup(brain_or_object, "getId", "") |
|
72
|
|
|
title = self.lookup(brain_or_object, "Title", "") |
|
73
|
|
|
description = self.lookup(brain_or_object, "Description", "") |
|
74
|
|
|
return { |
|
75
|
|
|
"id": id, |
|
76
|
|
|
"getId": id, |
|
77
|
|
|
"uid": api.get_uid(brain_or_object), |
|
78
|
|
|
"url": api.get_url(brain_or_object), |
|
79
|
|
|
"Title": title or id, |
|
80
|
|
|
"title": title or id, |
|
81
|
|
|
"Description": description, |
|
82
|
|
|
"description": description, |
|
83
|
|
|
"review_state": api.get_review_status(brain_or_object), |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
def to_dict(self, reference, data=None, **kw): |
|
87
|
|
|
"""Return the required data for the given object or uid |
|
88
|
|
|
|
|
89
|
|
|
:param reference: Catalog Brain, AT/DX object or UID |
|
90
|
|
|
:param data: Dictionary of collected data |
|
91
|
|
|
""" |
|
92
|
|
|
info = {} |
|
93
|
|
|
|
|
94
|
|
|
if isinstance(data, dict): |
|
95
|
|
|
info.update(data) |
|
96
|
|
|
|
|
97
|
|
|
# Fetch the object if an UID is passed |
|
98
|
|
|
if api.is_uid(reference): |
|
99
|
|
|
brain_or_object = api.get_object(reference) |
|
100
|
|
|
else: |
|
101
|
|
|
brain_or_object = reference |
|
102
|
|
|
|
|
103
|
|
|
# always include base information |
|
104
|
|
|
info.update(self.get_base_info(brain_or_object)) |
|
105
|
|
|
|
|
106
|
|
|
columns = self.get_columns() |
|
107
|
|
|
|
|
108
|
|
|
# always include all brain metadata |
|
109
|
|
|
if api.is_brain(brain_or_object): |
|
110
|
|
|
columns.extend(brain_or_object.schema()) |
|
111
|
|
|
|
|
112
|
|
|
for column in columns: |
|
113
|
|
|
if column not in info: |
|
114
|
|
|
info[column] = self.lookup(brain_or_object, column, default="") |
|
115
|
|
|
|
|
116
|
|
|
return info |
|
117
|
|
|
|
senaite /
senaite.core
