def json_view(request, spatial_context=None):
""" API for searching Open Context """
rd = RequestDict()
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
solr_s = SolrSearch()
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
m_json_ld = MakeJsonLd(request_dict_json)
# share entities already looked up. Saves database queries
m_json_ld.entities = solr_s.entities
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
json_ld = m_json_ld.convert_solr_json(response.raw_content)
req_neg = RequestNegotiation('application/json')
req_neg.supported_types = ['application/ld+json']
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if req_neg.supported:
# requester wanted a mimetype we DO support
return HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
status=415)
else:
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
def html_view(request, spatial_context=None):
rp = RootPath()
base_url = rp.get_baseurl()
rd = RequestDict()
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
url = request.get_full_path()
if 'http://' not in url \
and 'https://' not in url:
url = base_url + url
if '?' in url:
json_url = url.replace('?', '.json?')
else:
json_url = url + '.json'
solr_s = SolrSearch()
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
m_json_ld = MakeJsonLd(request_dict_json)
# share entities already looked up. Saves database queries
m_json_ld.entities = solr_s.entities
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
json_ld = m_json_ld.convert_solr_json(response.raw_content)
req_neg = RequestNegotiation('text/html')
req_neg.supported_types = ['application/json',
'application/ld+json']
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if 'json' in req_neg.use_response_type:
# content negotiation requested JSON or JSON-LD
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
return HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
else:
# now make the JSON-LD into an object suitable for HTML templating
st = SearchTemplate(json_ld)
st.process_json_ld()
template = loader.get_template('sets/view.html')
context = RequestContext(request,
{'st': st,
'url': url,
'json_url': json_url,
'base_url': base_url})
if req_neg.supported:
return HttpResponse(template.render(context))
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
content_type=req_neg.use_response_type + "; charset=utf8",
status=415)
else:
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
def projects_html_view(request, spatial_context=None):
""" returns HTML representation of projects search
"""
mem_cache_obj = MemoryCache()
mem_cache_obj.ping_redis_server()
rp = RootPath()
base_url = rp.get_baseurl()
rd = RequestDict()
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
if rd.security_ok is False:
template = loader.get_template('400.html')
context = RequestContext(request,
{'abusive': True})
return HttpResponse(template.render(context), status=400)
elif rd.do_bot_limit:
# redirect bot requests away from faceted search where
# they can negatively impact performance
cache_control(no_cache=True)
return redirect('/projects-search/', permanent=False)
else:
# url and json_url neeed for view templating
url = request.get_full_path()
if 'http://' not in url \
and 'https://' not in url:
url = base_url + url
if '?' in url:
json_url = url.replace('?', '.json?')
else:
json_url = url + '.json'
# see if search results are cached. this is not done
# with a view decorator, because we want to handle bots differently
db_cache = DatabaseCache()
cache_key = db_cache.make_cache_key('projects-search',
request_dict_json)
if rd.refresh_cache:
# the request wanted to refresh the cache
db_cache.remove_cache_object(cache_key)
# get the search result JSON-LD, if it exists in cache
json_ld = db_cache.get_cache_object(cache_key)
if json_ld is None:
# cached result is not found, so make it with a new search
solr_s = SolrSearch()
solr_s.is_bot = rd.is_bot # True if bot detected
solr_s.do_bot_limit = rd.do_bot_limit # Toggle limits on facets for bots
solr_s.mem_cache_obj = mem_cache_obj
solr_s.do_context_paths = False
solr_s.item_type_limit = 'projects'
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
mem_cache_obj = solr_s.mem_cache_obj # reused cached memory items
m_json_ld = MakeJsonLd(request_dict_json)
m_json_ld.base_search_link = '/projects-search/'
# share entities already looked up. Saves database queries
m_json_ld.mem_cache_obj = mem_cache_obj
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
json_ld = m_json_ld.convert_solr_json(response.raw_content)
# now cache the resulting JSON-LD
db_cache.save_cache_object(cache_key, json_ld)
if json_ld is not None:
req_neg = RequestNegotiation('text/html')
req_neg.supported_types = ['application/json',
'application/ld+json',
'application/vnd.geo+json']
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if 'json' in req_neg.use_response_type:
# content negotiation requested JSON or JSON-LD
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
return HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
else:
# now make the JSON-LD into an object suitable for HTML templating
st = SearchTemplate(json_ld)
st.process_json_ld()
p_aug = ProjectAugment(json_ld)
p_aug.process_json_ld()
template = loader.get_template('search/view.html')
context = RequestContext(request,
{'st': st,
'item_type': 'projects',
'base_search_link': m_json_ld.base_search_link,
'p_aug': p_aug,
'url': url,
'json_url': json_url,
'base_url': base_url})
if req_neg.supported:
return HttpResponse(template.render(context))
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
content_type=req_neg.use_response_type + "; charset=utf8",
status=415)
else:
cache_control(no_cache=True)
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
def media_json_view(request, spatial_context=None):
""" API for searching Open Context, media only """
mem_cache_obj = MemoryCache()
mem_cache_obj.ping_redis_server()
rd = RequestDict()
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
if rd.security_ok is False:
template = loader.get_template('400.html')
context = RequestContext(request,
{'abusive': True})
return HttpResponse(template.render(context), status=400)
elif rd.do_bot_limit:
# redirect bot requests away from faceted search where
# they can negatively impact performance
return redirect('/media-search/.json', permanent=False)
else:
# see if search results are cached. this is not done
# with a view decorator, because we want to handle bots differently
db_cache = DatabaseCache()
cache_key = db_cache.make_cache_key('media-search',
request_dict_json)
if rd.refresh_cache:
# the request wanted to refresh the cache
db_cache.remove_cache_object(cache_key)
# get the search result JSON-LD, if it exists in cache
json_ld = db_cache.get_cache_object(cache_key)
if json_ld is None:
# cached result is not found, so make it with a new search
solr_s = SolrSearch()
solr_s.is_bot = rd.is_bot # True if bot detected
solr_s.do_bot_limit = rd.do_bot_limit # Toggle limits on facets for bots
solr_s.mem_cache_obj = mem_cache_obj
solr_s.item_type_limit = 'media'
# add category facet fields for related items
solr_s.facet_fields += SolrSearch.REL_CAT_FACET_FIELDS
solr_s.stats_fields += SolrSearch.MEDIA_STATS_FIELDS
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
mem_cache_obj = solr_s.mem_cache_obj # reused cached memory items
m_json_ld = MakeJsonLd(request_dict_json)
m_json_ld.base_search_link = '/media-search/'
# share entities already looked up. Saves database queries
m_json_ld.mem_cache_obj = mem_cache_obj
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
m_json_ld.get_all_media = True # get links to all media files for an item
json_ld = m_json_ld.convert_solr_json(response.raw_content)
# now cache the resulting JSON-LD
db_cache.save_cache_object(cache_key, json_ld)
if json_ld is not None:
req_neg = RequestNegotiation('application/json')
req_neg.supported_types = ['application/ld+json',
'application/vnd.geo+json']
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if req_neg.supported:
# requester wanted a mimetype we DO support
if 'callback' in request.GET:
funct = request.GET['callback']
json_str = json.dumps(json_ld,
ensure_ascii=False,
indent=4)
return HttpResponse(funct + '(' + json_str + ');',
content_type='application/javascript' + "; charset=utf8")
else:
return HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
status=415)
else:
cache_control(no_cache=True)
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
def html_view(request, spatial_context=None):
request = RequestNegotiation().anonymize_request(request)
item_type_limited = False
rp = RootPath()
base_url = rp.get_baseurl()
rd = RequestDict()
chart = False # provide a chart, now only experimental
if request.GET.get('chart') is not None:
chart = True
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
# toggle if Human-Remains are OK to show in search results
# defaults to FALSE, requires user interface action to allow
if request.GET.get('human-remains') is not None:
human_remains_ok = True
else:
human_remains_ok = False
human_remains_opt_in = request.session.get('human_remains_ok')
if human_remains_opt_in:
# opt-in OK for this user in this session
human_remains_ok = True
if rd.security_ok is False:
# looks like an abusive SQL injection request
template = loader.get_template('400.html')
context = RequestContext(request,
{'abusive': True})
return HttpResponse(template.render(context), status=400)
elif rd.do_bot_limit:
# redirect bot requests away from faceted search where
# they can negatively impact performance
cache_control(no_cache=True)
return redirect('/search/', permanent=False)
else:
# url and json_url neeed for view templating
url = request.get_full_path()
if 'http://' not in url \
and 'https://' not in url:
url = base_url + url
if '?' in url:
json_url = url.replace('?', '.json?')
else:
json_url = url + '.json'
# see if search results are cached. this is not done
# with a view decorator, because we want to handle bots differently
db_cache = DatabaseCache()
cache_key = db_cache.make_cache_key('search',
request_dict_json)
# print('Cache key: ' + cache_key)
geo_proj = False
json_ld = None
if rd.refresh_cache:
# the request wanted to refresh the cache
db_cache.remove_cache_object(cache_key)
if 'response' in request.GET:
if 'geo-project' in request.GET['response']:
geo_proj = True
# get the search result JSON-LD, if it exists in cache
json_ld = db_cache.get_cache_object(cache_key)
if json_ld is None:
# cached result is not found, so make it with a new search
solr_s = SolrSearch()
solr_s.is_bot = rd.is_bot # True if bot detected
solr_s.do_bot_limit = rd.do_bot_limit # Toggle limits on facets for bots
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
# are we filtering for item_types?
item_type_limited = solr_s.item_type_limited
m_json_ld = MakeJsonLd(request_dict_json)
m_json_ld.base_search_link = '/search/'
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
json_ld = m_json_ld.convert_solr_json(response.raw_content)
# now cache the resulting JSON-LD
db_cache.save_cache_object(cache_key, json_ld)
if json_ld is not None:
req_neg = RequestNegotiation('text/html')
req_neg.supported_types = ['application/json',
'application/ld+json',
'application/vnd.geo+json']
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if 'json' in req_neg.use_response_type:
# content negotiation requested JSON or JSON-LD
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
request.content_type = req_neg.use_response_type
response = HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
patch_vary_headers(response, ['accept', 'Accept', 'content-type'])
return response
else:
# now make the JSON-LD into an object suitable for HTML templating
st = SearchTemplate(json_ld)
st.item_type_limited = item_type_limited
st.human_remains_ok = human_remains_ok
st.process_json_ld()
props = []
if 'prop' in request.GET:
props = request.GET.getlist('prop')
# check to make sure chrono chart will be ok
if 'proj' in request.GET \
or len(props) > 1 \
or 'q' in request.GET \
or spatial_context is not None:
if 'oc-api:has-form-use-life-ranges' in json_ld:
if len(json_ld['oc-api:has-form-use-life-ranges']) > 0 and st.total_count > 0:
chart = True
template = loader.get_template('search/view.html')
context = {
'st': st,
'item_type': '*',
'chart': chart,
'human_remains_ok': human_remains_ok,
'base_search_link': m_json_ld.base_search_link,
'url': url,
'json_url': json_url,
'base_url': base_url
}
if req_neg.supported:
response = HttpResponse(template.render(context, request))
patch_vary_headers(response, ['accept', 'Accept', 'content-type'])
return response
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
content_type=req_neg.use_response_type + "; charset=utf8",
status=415)
else:
cache_control(no_cache=True)
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
def subjects_json_view(request, spatial_context=None):
""" API for searching Open Context, subjects only """
rd = RequestDict()
request_dict_json = rd.make_request_dict_json(request,
spatial_context)
if rd.security_ok is False:
template = loader.get_template('400.html')
context = RequestContext(request,
{'abusive': True})
return HttpResponse(template.render(context), status=400)
elif rd.do_bot_limit:
# redirect bot requests away from faceted search where
# they can negatively impact performance
cache_control(no_cache=True)
return redirect('/subjects-search/.json', permanent=False)
else:
# see if search results are cached. this is not done
# with a view decorator, because we want to handle bots differently
db_cache = DatabaseCache()
filecache = FileCacheJSON()
file_cache_key = False
cache_key = db_cache.make_cache_key('subjects-search',
request_dict_json)
if rd.refresh_cache:
# the request wanted to refresh the cache
db_cache.remove_cache_object(cache_key)
# get the search result JSON-LD, if it exists in cache
json_ld = db_cache.get_cache_object(cache_key)
# print(request.get_full_path())
if request.get_full_path() == '/subjects-search/.json?response=geo-project':
file_cache_key = 'geo-project'
if json_ld is None:
json_ld = filecache.get_dict_from_file(file_cache_key)
if json_ld is None:
# cached result is not found, so make it with a new search
solr_s = SolrSearch()
solr_s.is_bot = rd.is_bot # True if bot detected
solr_s.do_bot_limit = rd.do_bot_limit # Toggle limits on facets for bots
solr_s.item_type_limit = 'subjects'
if solr_s.solr is not False:
response = solr_s.search_solr(request_dict_json)
m_json_ld = MakeJsonLd(request_dict_json)
m_json_ld.base_search_link = '/subjects-search/'
m_json_ld.request_full_path = request.get_full_path()
m_json_ld.spatial_context = spatial_context
json_ld = m_json_ld.convert_solr_json(response.raw_content)
# now cache the resulting JSON-LD
db_cache.save_cache_object(cache_key, json_ld)
if isinstance(file_cache_key, str):
# cache a file for the project home screen
filecache.save_serialized_json(file_cache_key, json_ld)
if json_ld is not None:
req_neg = RequestNegotiation('application/json')
req_neg.supported_types = ['application/ld+json',
'application/vnd.geo+json']
recon_obj = Reconciliation()
json_ld = recon_obj.process(request.GET,
json_ld)
if 'HTTP_ACCEPT' in request.META:
req_neg.check_request_support(request.META['HTTP_ACCEPT'])
if req_neg.supported:
# requester wanted a mimetype we DO support
request.content_type = req_neg.use_response_type
if 'callback' in request.GET:
funct = request.GET['callback']
json_str = json.dumps(json_ld,
ensure_ascii=False,
indent=4)
return HttpResponse(funct + '(' + json_str + ');',
content_type='application/javascript' + "; charset=utf8")
else:
return HttpResponse(json.dumps(json_ld,
ensure_ascii=False, indent=4),
content_type=req_neg.use_response_type + "; charset=utf8")
else:
# client wanted a mimetype we don't support
return HttpResponse(req_neg.error_message,
status=415)
else:
cache_control(no_cache=True)
template = loader.get_template('500.html')
context = RequestContext(request,
{'error': 'Solr Connection Problem'})
return HttpResponse(template.render(context), status=503)
