def create_aic(request, *args, **kwargs):
aic_form = forms.CreateAICForm(request.POST or None)
if aic_form.is_valid():
aip_uuids = ast.literal_eval(aic_form.cleaned_data['results'])
logger.info("AIC AIP UUIDs: {}".format(aip_uuids))
# The form was passed a raw list of all AIP UUIDs mapping the user's query;
# use those to fetch their names, which is used to produce files below.
query = {
"query": {
"terms": {
"uuid": aip_uuids,
}
}
}
es_client = elasticSearchFunctions.get_client()
results = es_client.search(
body=query,
index='aips',
doc_type='aip',
fields='uuid,name',
size=elasticSearchFunctions.MAX_QUERY_SIZE, # return all records
)
# Create files in staging directory with AIP information
shared_dir = helpers.get_server_config_value('sharedDirectory')
staging_dir = os.path.join(shared_dir, 'tmp')
# Create SIP (AIC) directory in staging directory
temp_uuid = str(uuid.uuid4())
destination = os.path.join(staging_dir, temp_uuid)
try:
os.mkdir(destination)
os.chmod(destination, 0o770)
except os.error:
messages.error(request, "Error creating AIC")
logger.exception(
"Error creating AIC: Error creating directory {}".format(
destination))
return redirect('archival_storage_index')
# Create SIP in DB
mcp_destination = destination.replace(shared_dir, '%sharedPath%') + '/'
databaseFunctions.createSIP(mcp_destination,
UUID=temp_uuid,
sip_type='AIC')
# Create files with filename = AIP UUID, and contents = AIP name
for aip in results['hits']['hits']:
filepath = os.path.join(destination, aip['fields']['uuid'][0])
with open(filepath, 'w') as f:
os.chmod(filepath, 0o660)
f.write(str(aip['fields']['name'][0]))
return redirect('components.ingest.views.aic_metadata_add', temp_uuid)
else:
messages.error(request, "Error creating AIC")
logger.error("Error creating AIC: Form not valid: {}".format(aic_form))
return redirect('archival_storage_index')
def create_aic(request, *args, **kwargs):
aic_form = forms.CreateAICForm(request.POST or None)
if aic_form.is_valid():
aip_uuids = ast.literal_eval(aic_form.cleaned_data["results"])
logger.info("AIC AIP UUIDs: {}".format(aip_uuids))
# The form was passed a raw list of all AIP UUIDs mapping the user's query;
# use those to fetch their names, which is used to produce files below.
query = {"query": {"terms": {"uuid": aip_uuids}}}
es_client = elasticSearchFunctions.get_client()
results = es_client.search(
body=query,
index="aips",
_source="uuid,name",
size=elasticSearchFunctions.MAX_QUERY_SIZE, # return all records
)
# Create files in staging directory with AIP information
shared_dir = settings.SHARED_DIRECTORY
staging_dir = os.path.join(shared_dir, "tmp")
# Create SIP (AIC) directory in staging directory
temp_uuid = str(uuid.uuid4())
destination = os.path.join(staging_dir, temp_uuid)
try:
os.mkdir(destination)
os.chmod(destination, 0o770)
except os.error:
messages.error(request, "Error creating AIC")
logger.exception(
"Error creating AIC: Error creating directory {}".format(
destination))
return redirect("archival_storage_index")
# Create SIP in DB
mcp_destination = destination.replace(shared_dir, "%sharedPath%") + "/"
databaseFunctions.createSIP(mcp_destination,
UUID=temp_uuid,
sip_type="AIC")
# Create files with filename = AIP UUID, and contents = AIP name
for aip in results["hits"]["hits"]:
filepath = os.path.join(destination, aip["_source"]["uuid"])
with open(filepath, "w") as f:
os.chmod(filepath, 0o660)
f.write(str(aip["_source"]["name"]))
return redirect("components.ingest.views.aic_metadata_add", temp_uuid)
else:
messages.error(request, "Error creating AIC")
logger.error("Error creating AIC: Form not valid: {}".format(aic_form))
return redirect("archival_storage_index")
def search(request):
# FIXME there has to be a better way of handling checkboxes than parsing
# them by hand here, and displaying 'checked' in
# _archival_storage_search_form.html
# Parse checkbox for file mode
yes_options = ('checked', 'yes', 'true', 'on')
if request.GET.get('filemode', '') in yes_options:
file_mode = True
checked_if_in_file_mode = 'checked'
items_per_page = 20
else: # AIP list
file_mode = False
checked_if_in_file_mode = ''
items_per_page = 10
# Parse checkbox for show AICs
show_aics = ''
if request.GET.get('show_aics', '') in yes_options:
show_aics = 'checked'
# get search parameters from request
queries, ops, fields, types = advanced_search.search_parameter_prep(request)
logger.debug('Queries: %s, Ops: %s, Fields: %s, Types: %s', queries, ops, fields, types)
# redirect if no search params have been set
if 'query' not in request.GET:
return helpers.redirect_with_get_params(
'components.archival_storage.views.search',
query='',
field='',
type=''
)
# get string of URL parameters that should be passed along when paging
search_params = advanced_search.extract_url_search_params_from_request(request)
current_page_number = int(request.GET.get('page', 1))
# perform search
es_client = elasticSearchFunctions.get_client()
results = None
query = advanced_search.assemble_query(es_client, queries, ops, fields, types, search_index='aips', doc_type='aipfile')
try:
# use all results to pull transfer facets if not in file mode
# pulling only one field (we don't need field data as we augment
# the results using separate queries)
if not file_mode:
# Fetch all unique AIP UUIDs in the returned set of files
query['aggs'] = {'aip_uuids': {'terms': {'field': 'AIPUUID', 'size': 0}}}
# Don't return results, just the aggregation
query['size'] = 0
# Searching for AIPs still actually searches type 'aipfile', and
# returns the UUID of the AIP the files are a part of. To search
# for an attribute of an AIP, the aipfile must index that
# information about their AIP in
# elasticSearchFunctions.index_mets_file_metadata
results = es_client.search(
body=query,
index='aips',
doc_type='aipfile',
sort='sipName:desc',
)
# Given these AIP UUIDs, now fetch the actual information we want from aips/aip
buckets = results['aggregations']['aip_uuids']['buckets']
uuids = [bucket['key'] for bucket in buckets]
uuid_file_counts = {bucket['key']: bucket['doc_count'] for bucket in buckets}
query = {
'query': {
'terms': {
'uuid': uuids,
},
},
}
index = 'aips'
doc_type = 'aip'
fields = 'name,uuid,size,created,status,AICID,isPartOf,countAIPsinAIC,encrypted'
sort = 'name:desc'
else:
index = 'aips'
doc_type = 'aipfile'
fields = 'AIPUUID,filePath,FILEUUID,encrypted'
sort = 'sipName:desc'
# To reduce amount of data fetched from ES, use LazyPagedSequence
def es_pager(page, page_size):
"""
Fetch one page of normalized aipfile entries from Elasticsearch.
:param page: 1-indexed page to fetch
:param page_size: Number of entries on a page
:return: List of dicts for each entry with additional information
"""
start = (page - 1) * page_size
results = es_client.search(
body=query,
from_=start,
size=page_size,
index=index,
doc_type=doc_type,
fields=fields,
sort=sort,
)
if file_mode:
return search_augment_file_results(es_client, results)
else:
return search_augment_aip_results(results, uuid_file_counts)
count = es_client.count(index=index, doc_type=doc_type, body={'query': query['query']})['count']
results = LazyPagedSequence(es_pager, items_per_page, count)
except ElasticsearchException:
logger.exception('Error accessing index.')
return HttpResponse('Error accessing index.')
if not file_mode:
aic_creation_form = forms.CreateAICForm(initial={'results': uuids})
else: # if file_mode
aic_creation_form = None
page_data = helpers.pager(results, items_per_page, current_page_number)
return render(request, 'archival_storage/search.html',
{
'file_mode': file_mode,
'show_aics': show_aics,
'checked_if_in_file_mode': checked_if_in_file_mode,
'aic_creation_form': aic_creation_form,
'results': page_data.object_list,
'search_params': search_params,
'page': page_data,
}
)
def search(request):
# FIXME there has to be a better way of handling checkboxes than parsing
# them by hand here, and displaying 'checked' in
# _archival_storage_search_form.html
# Parse checkbox for file mode
yes_options = ("checked", "yes", "true", "on")
if request.GET.get("filemode", "") in yes_options:
file_mode = True
checked_if_in_file_mode = "checked"
items_per_page = 20
else: # AIP list
file_mode = False
checked_if_in_file_mode = ""
items_per_page = 10
# Parse checkbox for show AICs
show_aics = ""
if request.GET.get("show_aics", "") in yes_options:
show_aics = "checked"
# get search parameters from request
queries, ops, fields, types = advanced_search.search_parameter_prep(
request)
logger.debug("Queries: %s, Ops: %s, Fields: %s, Types: %s", queries, ops,
fields, types)
# redirect if no search params have been set
if "query" not in request.GET:
return helpers.redirect_with_get_params(
"components.archival_storage.views.search",
query="",
field="",
type="")
# get string of URL parameters that should be passed along when paging
search_params = advanced_search.extract_url_search_params_from_request(
request)
current_page_number = int(request.GET.get("page", 1))
# perform search
es_client = elasticSearchFunctions.get_client()
results = None
query = advanced_search.assemble_query(queries, ops, fields, types)
try:
# Use all results to pull transfer facets if not in file mode
# pulling only one field (we don't need field data as we augment
# the results using separate queries).
if not file_mode:
# Fetch all unique AIP UUIDs in the returned set of files
# ES query will limit to 10 aggregation results by default,
# add size parameter in terms to override.
# TODO: Use composite aggregation when it gets out of beta.
query["aggs"] = {
"aip_uuids": {
"terms": {
"field": "AIPUUID",
"size": "10000"
}
}
}
# Don't return results, just the aggregation
query["size"] = 0
# Searching for AIPs still actually searches type 'aipfile', and
# returns the UUID of the AIP the files are a part of. To search
# for an attribute of an AIP, the aipfile must index that
# information about their AIP.
results = es_client.search(body=query, index="aipfiles")
# Given these AIP UUIDs, now fetch the actual information we want from aips/aip
buckets = results["aggregations"]["aip_uuids"]["buckets"]
uuids = [bucket["key"] for bucket in buckets]
uuid_file_counts = {
bucket["key"]: bucket["doc_count"]
for bucket in buckets
}
query = {"query": {"terms": {"uuid": uuids}}}
index = "aips"
fields = (
"name,uuid,size,created,status,AICID,isPartOf,countAIPsinAIC,encrypted"
)
sort = "name.raw:desc"
else:
index = "aipfiles"
fields = "AIPUUID,filePath,FILEUUID,encrypted"
sort = "sipName.raw:desc"
# To reduce amount of data fetched from ES, use LazyPagedSequence
def es_pager(page, page_size):
"""
Fetch one page of normalized aipfile entries from Elasticsearch.
:param page: 1-indexed page to fetch
:param page_size: Number of entries on a page
:return: List of dicts for each entry with additional information
"""
start = (page - 1) * page_size
results = es_client.search(
body=query,
from_=start,
size=page_size,
index=index,
_source=fields,
sort=sort,
)
if file_mode:
return search_augment_file_results(es_client, results)
else:
return search_augment_aip_results(results, uuid_file_counts)
count = es_client.count(index=index, body={"query":
query["query"]})["count"]
results = LazyPagedSequence(es_pager, items_per_page, count)
except ElasticsearchException:
logger.exception("Error accessing index.")
return HttpResponse("Error accessing index.")
if not file_mode:
aic_creation_form = forms.CreateAICForm(initial={"results": uuids})
else: # if file_mode
aic_creation_form = None
page_data = helpers.pager(results, items_per_page, current_page_number)
return render(
request,
"archival_storage/search.html",
{
"file_mode": file_mode,
"show_aics": show_aics,
"checked_if_in_file_mode": checked_if_in_file_mode,
"aic_creation_form": aic_creation_form,
"results": page_data.object_list,
"search_params": search_params,
"page": page_data,
},
)
