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concept.py
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concept.py
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"""
ARCHES - a program developed to inventory and manage immovable cultural heritage.
Copyright (C) 2013 J. Paul Getty Trust and World Monuments Fund
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import uuid
from django.db import transaction, connection
from django.db.models import Q
from django.http import HttpResponse, HttpResponseNotFound, HttpResponseNotAllowed, HttpResponseServerError
from django.shortcuts import render
from django.utils.decorators import method_decorator
from django.utils.module_loading import import_string
from django.utils.translation import ugettext as _
from django.utils.translation import get_language
from arches.app.models import models
from arches.app.models.system_settings import settings
from arches.app.models.concept import Concept, ConceptValue, CORE_CONCEPTS, get_preflabel_from_valueid
from arches.app.search.search_engine_factory import SearchEngineInstance as se
from arches.app.search.elasticsearch_dsl_builder import Bool, Match, Query, Nested, Terms, GeoShape, Range, SimpleQueryString
from arches.app.search.mappings import CONCEPTS_INDEX
from arches.app.utils.decorators import group_required
from arches.app.utils.betterJSONSerializer import JSONSerializer, JSONDeserializer
from arches.app.utils.response import JSONResponse, JSONErrorResponse
from arches.app.utils.skos import SKOSWriter, SKOSReader
from arches.app.views.base import BaseManagerView
@method_decorator(group_required("RDM Administrator"), name="dispatch")
class RDMView(BaseManagerView):
def get(self, request, conceptid):
lang = request.GET.get("lang", request.LANGUAGE_CODE)
languages = sort_languages(models.DLanguage.objects.all(), lang)
concept_schemes = []
for concept in models.Concept.objects.filter(nodetype="ConceptScheme"):
concept_schemes.append(Concept().get(id=concept.pk, include=["label"]).get_preflabel(lang=lang))
collections = []
for concept in models.Concept.objects.filter(nodetype="Collection"):
collections.append(Concept().get(id=concept.pk, include=["label"]).get_preflabel(lang=lang))
context = self.get_context_data(
main_script="rdm",
active_page="RDM",
languages=languages,
conceptid=conceptid,
concept_schemes=concept_schemes,
collections=collections,
CORE_CONCEPTS=CORE_CONCEPTS,
)
context["nav"]["icon"] = "fa fa-align-left"
context["nav"]["title"] = _("Reference Data Manager")
context["nav"]["help"] = {"title": _("Using the RDM"), "template": "rdm-help"}
return render(request, "rdm.htm", context)
def get_sparql_providers(endpoint=None):
sparql_providers = {}
for provider in settings.SPARQL_ENDPOINT_PROVIDERS:
Provider = import_string(provider["SPARQL_ENDPOINT_PROVIDER"])()
sparql_providers[Provider.endpoint] = Provider
if endpoint:
return sparql_providers[endpoint]
else:
return sparql_providers
def sort_languages(languages, lang):
"""
Sorts languages from the d_languages model by name. If there is more than one
default language or no default language, the default language is defined by lang
"""
if len([l for l in languages if l.isdefault == True]) != 1:
for l in languages:
if l.languageid == lang:
l.isdefault = True
else:
l.isdefault = False
return sorted(languages, key=lambda x: x.languagename)
@group_required("RDM Administrator")
def concept(request, conceptid):
f = request.GET.get("f", "json")
mode = request.GET.get("mode", "")
lang = request.GET.get("lang", request.LANGUAGE_CODE)
pretty = request.GET.get("pretty", False)
if request.method == "GET":
include_subconcepts = request.GET.get("include_subconcepts", "true") == "true"
include_parentconcepts = request.GET.get("include_parentconcepts", "true") == "true"
include_relatedconcepts = request.GET.get("include_relatedconcepts", "true") == "true"
emulate_elastic_search = request.GET.get("emulate_elastic_search", "false") == "true"
depth_limit = request.GET.get("depth_limit", None)
depth_limit = 1
if not conceptid:
return render(
request,
"views/rdm/concept-report.htm",
{
"lang": lang,
"concept_count": models.Concept.objects.filter(nodetype="Concept").count(),
"collection_count": models.Concept.objects.filter(nodetype="Collection").count(),
"scheme_count": models.Concept.objects.filter(nodetype="ConceptScheme").count(),
"entitytype_count": models.Concept.objects.filter(nodetype="EntityType").count(),
"default_report": True,
},
)
labels = []
concept_graph = Concept().get(
id=conceptid,
include_subconcepts=include_subconcepts,
include_parentconcepts=include_parentconcepts,
include_relatedconcepts=include_relatedconcepts,
depth_limit=depth_limit,
up_depth_limit=None,
lang=lang,
semantic=(mode == "semantic" or mode == ""),
)
languages = sort_languages(models.DLanguage.objects.all(), lang)
valuetypes = models.DValueType.objects.all()
relationtypes = models.DRelationType.objects.all()
prefLabel = concept_graph.get_preflabel(lang=lang)
for subconcept in concept_graph.subconcepts:
subconcept.prefLabel = subconcept.get_preflabel(lang=lang)
for relatedconcept in concept_graph.relatedconcepts:
relatedconcept.prefLabel = relatedconcept.get_preflabel(lang=lang)
for value in concept_graph.values:
if value.category == "label":
labels.append(value)
if value.type == "image":
value.full_image_url = (
(settings.FORCE_SCRIPT_NAME if settings.FORCE_SCRIPT_NAME is not None else "") + settings.MEDIA_URL + value.value
).replace("//", "/")
if (mode == "semantic" or mode == "") and (
concept_graph.nodetype == "Concept" or concept_graph.nodetype == "ConceptScheme" or concept_graph.nodetype == "EntityType"
):
if concept_graph.nodetype == "ConceptScheme":
parent_relations = relationtypes.filter(category="Properties")
else:
parent_relations = (
relationtypes.filter(category="Semantic Relations")
.exclude(relationtype="related")
.exclude(relationtype="broader")
.exclude(relationtype="broaderTransitive")
)
return render(
request,
"views/rdm/concept-report.htm",
{
"FORCE_SCRIPT_NAME": settings.FORCE_SCRIPT_NAME,
"lang": lang,
"prefLabel": prefLabel,
"labels": labels,
"concept": concept_graph,
"languages": languages,
"sparql_providers": get_sparql_providers(),
"valuetype_labels": valuetypes.filter(category="label"),
"valuetype_notes": valuetypes.filter(category="note"),
"valuetype_related_values": valuetypes.filter(category__in=["undefined", "identifiers"]),
"parent_relations": parent_relations,
"related_relations": relationtypes.filter(Q(category="Mapping Properties") | Q(relationtype="related")),
"concept_paths": concept_graph.get_paths(lang=lang),
"graph_json": JSONSerializer().serialize(concept_graph.get_node_and_links(lang=lang)),
"direct_parents": [parent.get_preflabel(lang=lang) for parent in concept_graph.parentconcepts],
},
)
elif mode == "collections":
return render(
request,
"views/rdm/entitytype-report.htm",
{
"lang": lang,
"prefLabel": prefLabel,
"labels": labels,
"concept": concept_graph,
"languages": languages,
"valuetype_labels": valuetypes.filter(category="label"),
"valuetype_notes": valuetypes.filter(category="note"),
"valuetype_related_values": valuetypes.filter(category__in=["undefined", "identifiers"]),
"related_relations": relationtypes.filter(relationtype="member"),
"concept_paths": concept_graph.get_paths(lang=lang),
},
)
if request.method == "POST":
if len(request.FILES) > 0:
skosfile = request.FILES.get("skosfile", None)
imagefile = request.FILES.get("file", None)
if imagefile:
value = models.FileValue(
valueid=str(uuid.uuid4()),
value=request.FILES.get("file", None),
concept_id=conceptid,
valuetype_id="image",
language_id=lang,
)
value.save()
return JSONResponse(value)
elif skosfile:
overwrite_options = request.POST.get("overwrite_options", None)
staging_options = request.POST.get("staging_options", None)
skos = SKOSReader()
try:
rdf = skos.read_file(skosfile)
ret = skos.save_concepts_from_skos(rdf, overwrite_options, staging_options)
return JSONResponse(ret)
except Exception as e:
return JSONErrorResponse(_('Unable to Load SKOS File'), _('There was an issue saving the contents of the file to Arches. ') + str(e))
else:
data = JSONDeserializer().deserialize(request.body)
if data:
with transaction.atomic():
concept = Concept(data)
concept.save()
concept.index()
return JSONResponse(concept)
if request.method == "DELETE":
data = JSONDeserializer().deserialize(request.body)
if data:
with transaction.atomic():
concept = Concept(data)
delete_self = data["delete_self"] if "delete_self" in data else False
if not (delete_self and concept.id in CORE_CONCEPTS):
if concept.nodetype == "Collection":
concept.delete(delete_self=delete_self)
else:
in_use = False
if delete_self:
check_concept = Concept().get(data["id"], include_subconcepts=True)
in_use = check_concept.check_if_concept_in_use()
if "subconcepts" in data:
for subconcept in data["subconcepts"]:
if in_use == False:
check_concept = Concept().get(subconcept["id"], include_subconcepts=True)
in_use = check_concept.check_if_concept_in_use()
if in_use == False:
concept.delete_index(delete_self=delete_self)
concept.delete(delete_self=delete_self)
else:
return JSONErrorResponse(_('Unable to Delete'), _('This concept or one of it\'s subconcepts is already in use by an existing resource.'), {"in_use": in_use})
return JSONResponse(concept)
return HttpResponseNotFound
def export(request, conceptid):
concept_graphs = [
Concept().get(
id=conceptid,
include_subconcepts=True,
include_parentconcepts=False,
include_relatedconcepts=True,
depth_limit=None,
up_depth_limit=None,
)
]
skos = SKOSWriter()
return HttpResponse(skos.write(concept_graphs, format="pretty-xml"), content_type="application/xml")
def export_collections(request):
concept_graphs = []
for concept in models.Concept.objects.filter(nodetype_id="Collection"):
concept_graphs.append(
Concept().get(
id=concept.pk,
include_subconcepts=True,
include_parentconcepts=False,
include_relatedconcepts=False,
depth_limit=None,
up_depth_limit=None,
semantic=False,
)
)
skos = SKOSWriter()
return HttpResponse(skos.write(concept_graphs, format="pretty-xml"), content_type="application/xml")
def get_concept_collections(request):
lang = request.GET.get("lang", request.LANGUAGE_CODE)
concept_collections = Concept().concept_tree(mode="collections", lang=lang)
return JSONResponse(concept_collections)
@group_required("RDM Administrator")
def make_collection(request, conceptid):
concept = Concept().get(id=conceptid, values=[])
try:
collection_concept = concept.make_collection()
return JSONResponse({'collection': collection_concept, 'title': _('Success'), 'message': _('Collection successfully created from the selected concept')})
except:
return JSONErrorResponse(_('Unable to Make Collection'), _('Unable to make a collection from the selected concept.'))
@group_required("RDM Administrator")
def manage_parents(request, conceptid):
if request.method == "POST":
json = request.body
if json is not None:
data = JSONDeserializer().deserialize(json)
with transaction.atomic():
if len(data["deleted"]) > 0:
concept = Concept().get(id=conceptid, include=None)
for deleted in data["deleted"]:
concept.addparent(deleted)
concept.delete()
concept.bulk_index()
if len(data["added"]) > 0:
concept = Concept().get(id=conceptid)
for added in data["added"]:
concept.addparent(added)
concept.save()
concept.bulk_index()
return JSONResponse(data)
else:
return HttpResponseNotAllowed(["POST"])
return HttpResponseNotFound()
def confirm_delete(request, conceptid):
lang = request.GET.get("lang", request.LANGUAGE_CODE)
concept = Concept().get(id=conceptid)
concepts_to_delete = [
concept.get_preflabel(lang=lang).value for key, concept in Concept.gather_concepts_to_delete(concept, lang=lang).items()
]
# return HttpResponse('<div>Showing only 50 of
# %s concepts</div><ul><li>%s</ul>' % (len(concepts_to_delete), '<li>'.join(concepts_to_delete[:50]) + ''))
return HttpResponse("<ul><li>%s</ul>" % ("<li>".join(concepts_to_delete) + ""))
def dropdown(request):
conceptid = request.GET.get("conceptid")
results = Concept().get_e55_domain(conceptid)
return JSONResponse(results)
def paged_dropdown(request):
conceptid = request.GET.get("conceptid")
query = request.GET.get("query", None)
query = None if query == "" else query
page = int(request.GET.get("page", 1))
limit = 50
offset = (page - 1) * limit
results = Concept().get_child_collections_hierarchically(conceptid, offset=offset, limit=limit, query=query)
total_count = results[0][3] if len(results) > 0 else 0
data = [dict(list(zip(["valueto", "depth", "collector"], d))) for d in results]
data = [
dict(list(zip(["id", "text", "conceptid", "language", "type"], d["valueto"].values())), depth=d["depth"], collector=d["collector"])
for d in data
]
# This try/except block trys to find an exact match to the concept the user is searching and if found
# it will insert it into the results as the first item so that users don't have to scroll to find it.
# See: https://github.com/archesproject/arches/issues/8355
try:
if page == 1:
found = False
for i, d in enumerate(data):
if i <= 7 and d["text"].lower() == query.lower():
found = True
break
if not found:
sql = """
SELECT value, valueid
FROM
(
SELECT *, CASE WHEN LOWER(languageid) = '{languageid}' THEN 10
WHEN LOWER(languageid) like '{short_languageid}%' THEN 5
ELSE 0
END score
FROM values
) as vals
WHERE LOWER(value)='{query}' AND score > 0
AND valuetype in ('prefLabel')
ORDER BY score desc limit 1
"""
languageid = get_language().lower()
sql = sql.format(query=query.lower(), languageid=languageid, short_languageid=languageid.split("-")[0])
cursor = connection.cursor()
cursor.execute(sql)
rows = cursor.fetchall()
if len(rows) == 1:
data.insert(0, {"id": str(rows[0][1]), "text": rows[0][0], "depth": 1, "collector": False})
except:
pass
return JSONResponse({"results": data, "more": offset + limit < total_count})
def get_pref_label(request):
valueid = request.GET.get("valueid")
label = get_preflabel_from_valueid(valueid, request.LANGUAGE_CODE)
return JSONResponse(label)
def search(request):
searchString = request.GET["q"]
removechildren = request.GET.get("removechildren", None)
query = Query(se, start=0, limit=100)
phrase = Match(field="value", query=searchString.lower(), type="phrase_prefix")
query.add_query(phrase)
results = query.search(index=CONCEPTS_INDEX)
ids = []
if removechildren is not None:
ids = [concept[0] for concept in Concept().get_child_concepts(removechildren, columns="conceptidto::text")]
ids.append(removechildren)
newresults = []
cached_scheme_names = {}
for result in results["hits"]["hits"]:
if result["_source"]["conceptid"] not in ids:
# first look to see if we've already retrieved the top concept name
# else look up the top concept name with ES and cache the result
top_concept = result["_source"]["top_concept"]
if top_concept in cached_scheme_names:
result["in_scheme_name"] = cached_scheme_names[top_concept]
else:
query = Query(se, start=0, limit=100)
phrase = Match(field="conceptid", query=top_concept, type="phrase")
query.add_query(phrase)
scheme = query.search(index=CONCEPTS_INDEX)
for label in scheme["hits"]["hits"]:
if label["_source"]["type"] == "prefLabel":
cached_scheme_names[top_concept] = label["_source"]["value"]
result["in_scheme_name"] = label["_source"]["value"]
newresults.append(result)
# Use the db to get the concept context but this is SLOW
# for result in results['hits']['hits']:
# if result['_source']['conceptid'] not in ids:
# concept = Concept().get(id=result['_source']['conceptid'], include_parentconcepts=True)
# pathlist = concept.get_paths()
# result['in_scheme_name'] = pathlist[0][0]['label']
# newresults.append(result)
# def crawl(conceptid, path=[]):
# query = Query(se, start=0, limit=100)
# bool = Bool()
# bool.must(Match(field='conceptto', query=conceptid, type='phrase'))
# bool.must(Match(field='relationtype', query='narrower', type='phrase'))
# query.add_query(bool)
# relations = query.search(index='concept_relations')
# for relation in relations['hits']['hits']:
# path.insert(0, relation)
# crawl(relation['_source']['conceptfrom'], path=path)
# return path
# for result in results['hits']['hits']:
# if result['_source']['conceptid'] not in ids:
# concept_relations = crawl(result['_source']['conceptid'], path=[])
# if len(concept_relations) > 0:
# conceptid = concept_relations[0]['_source']['conceptfrom']
# if conceptid in cached_scheme_names:
# result['in_scheme_name'] = cached_scheme_names[conceptid]
# else:
# result['in_scheme_name'] = get_preflabel_from_conceptid(conceptid, lang=request.LANGUAGE_CODE)['value']
# cached_scheme_names[conceptid] = result['in_scheme_name']
# newresults.append(result)
results["hits"]["hits"] = newresults
return JSONResponse(results)
def add_concepts_from_sparql_endpoint(request, conceptid):
if request.method == "POST":
json = request.body
if json is not None:
data = JSONDeserializer().deserialize(json)
parentconcept = Concept({"id": conceptid, "nodetype": data["model"]["nodetype"]})
if parentconcept.nodetype == "Concept":
relationshiptype = "narrower"
elif parentconcept.nodetype == "ConceptScheme":
relationshiptype = "hasTopConcept"
provider = get_sparql_providers(data["endpoint"])
try:
parentconcept.subconcepts = provider.get_concepts(data["ids"])
except Exception as e:
return HttpResponseServerError(e.message)
for subconcept in parentconcept.subconcepts:
subconcept.relationshiptype = relationshiptype
parentconcept.save()
parentconcept.index()
return JSONResponse(parentconcept, indent=4)
else:
return HttpResponseNotAllowed(["POST"])
return HttpResponseNotFound()
def search_sparql_endpoint_for_concepts(request):
provider = get_sparql_providers(request.GET.get("endpoint"))
results = provider.search_for_concepts(request.GET.get("terms"))
return JSONResponse(results)
def concept_tree(request, mode):
lang = request.GET.get("lang", request.LANGUAGE_CODE)
conceptid = request.GET.get("node", None)
concepts = Concept({"id": conceptid}).concept_tree(lang=lang, mode=mode)
return JSONResponse(concepts, indent=4)
def concept_value(request):
if request.method == "DELETE":
data = JSONDeserializer().deserialize(request.body)
if data:
with transaction.atomic():
value = ConceptValue(data)
value.delete_index()
value.delete()
return JSONResponse(value)
if request.method == "GET":
valueid = request.GET.get("valueid")
value = models.Value.objects.get(pk=valueid)
return JSONResponse(value)
return HttpResponseNotFound