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# -*- coding: utf-8 -*- |
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import itertools |
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import re |
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import six |
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from bika.lims import api |
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from bika.lims.api.snapshot import get_last_snapshot |
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from bika.lims.api.snapshot import get_snapshot_count |
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from bika.lims.api.snapshot import get_snapshot_metadata |
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from bika.lims.api.snapshot import get_snapshots |
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from bika.lims.api.user import get_user_id |
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from bika.lims.interfaces import IAuditable |
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from plone.indexer import indexer |
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from plone.memoize.ram import DontCache |
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from plone.memoize.ram import cache |
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from senaite.core.interfaces import IAuditlogCatalog |
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UID_RX = re.compile(r"[a-z0-9]{32}$") |
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DATE_RX = re.compile(r"\d{4}[-/]\d{2}[-/]\d{2}") |
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def _uid_to_title_cache_key(func, uid): |
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brain = api.get_brain_by_uid(uid, default=None) |
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if brain is None: |
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raise DontCache |
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modified = api.get_modification_date(brain).millis() |
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return "{}-{}".format(uid, modified) |
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@cache(_uid_to_title_cache_key) |
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def get_title_or_id_from_uid(uid): |
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"""Returns the title or ID from the given UID |
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""" |
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obj = api.get_object_by_uid(uid, default=None) |
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if obj is None: |
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return "" |
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title_or_id = api.get_title(obj) or api.get_id(obj) |
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return title_or_id |
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def get_meta_value_for(snapshot, key, default=None): |
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"""Returns the metadata value for the given key |
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""" |
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metadata = get_snapshot_metadata(snapshot) |
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return metadata.get(key, default) |
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def get_actor(snapshot): |
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"""Get the actor of the snapshot |
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""" |
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actor = get_meta_value_for(snapshot, "actor") |
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if not actor: |
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return get_user_id() |
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return actor |
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def get_fullname(snapshot): |
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"""Get the actor's fullname of the snapshot |
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""" |
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actor = get_actor(snapshot) |
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properties = api.get_user_properties(actor) |
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return properties.get("fullname", actor) |
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def get_action(snapshot): |
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"""Get the action of the snapshot |
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""" |
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action = get_meta_value_for(snapshot, "action") |
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if not action: |
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return "Edit" |
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return action |
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def get_created(snapshot): |
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"""Get the created date of the snapshot |
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""" |
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created = get_meta_value_for(snapshot, "snapshot_created") |
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if not created: |
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return "" |
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return created |
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@indexer(IAuditable) |
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def actor(instance): |
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"""Last modifiying user |
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""" |
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last_snapshot = get_last_snapshot(instance) |
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return get_actor(last_snapshot) |
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@indexer(IAuditable) |
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def fullname(instance): |
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"""Last modifiying user |
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""" |
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last_snapshot = get_last_snapshot(instance) |
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return get_fullname(last_snapshot) |
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@indexer(IAuditable) |
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def modifiers(instance): |
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"""Returns a list of all users that modified |
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""" |
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snapshots = get_snapshots(instance) |
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return map(get_actor, snapshots) |
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@indexer(IAuditable) |
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def action(instance): |
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"""Returns the last performed action |
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""" |
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last_snapshot = get_last_snapshot(instance) |
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return get_action(last_snapshot) |
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@indexer(IAuditable, IAuditlogCatalog) |
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def listing_searchable_text(instance): |
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"""Fulltext search for the audit metadata |
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""" |
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# get all snapshots |
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snapshots = get_snapshots(instance) |
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# extract all snapshot values, because we are not interested in the |
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# fieldnames (keys) |
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values = map(lambda s: s.values(), snapshots) |
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# prepare a set of unified catalog data |
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catalog_data = set() |
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# values to skip |
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skip_values = ["None", "true", "True", "false", "False"] |
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# internal uid -> title cache |
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uid_title_cache = {} |
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# helper function to recursively unpack the snapshot values |
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def append(value): |
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if isinstance(value, (list, tuple)): |
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map(append, value) |
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elif isinstance(value, (dict)): |
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map(append, value.items()) |
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elif isinstance(value, six.string_types): |
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# convert unicode to UTF8 |
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if isinstance(value, unicode): |
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value = api.safe_unicode(value).encode("utf8") |
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# skip single short values |
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if len(value) < 2: |
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return |
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# flush non meaningful values |
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if value in skip_values: |
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return |
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# flush ISO dates |
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if re.match(DATE_RX, value): |
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return |
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# fetch the title |
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if re.match(UID_RX, value): |
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if value in uid_title_cache: |
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value = uid_title_cache[value] |
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else: |
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title_or_id = get_title_or_id_from_uid(value) |
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uid_title_cache[value] = title_or_id |
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value = title_or_id |
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catalog_data.add(value) |
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# extract all meaningful values |
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for value in itertools.chain(values): |
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append(value) |
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return " ".join(catalog_data) |
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@indexer(IAuditable) |
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def snapshot_created(instance): |
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"""Snapshot created date |
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""" |
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last_snapshot = get_last_snapshot(instance) |
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snapshot_created = get_created(last_snapshot) |
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return api.to_date(snapshot_created) |
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@indexer(IAuditable) |
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def snapshot_version(instance): |
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"""Snapshot created date |
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""" |
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return get_snapshot_count(instance) |
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