def add_date_fields(self, solr_json):
""" adds numeric fields with query options """
date_fields = []
date_facet_ranges = self.get_solr_ranges(solr_json, 'date')
if date_facet_ranges is not False:
for solr_field_key, ranges in date_facet_ranges.items():
facet_key_list = solr_field_key.split('___')
slug = facet_key_list[0].replace('_', '-')
# check to see if the field is a linkded data field
# if so, it needs some help with making Filter Links
linked_field = False
field_entity = self.get_entity(slug)
if field_entity is not False:
self.add_active_facet_field(slug)
if field_entity.item_type == 'uri':
linked_field = True
field = self.get_facet_meta(solr_field_key)
field['oc-api:min-date'] = ranges['start']
field['oc-api:max-date'] = ranges['end']
field['oc-api:gap-date'] = ranges['gap']
field['oc-api:has-range-options'] = []
i = -1
qm = QueryMaker()
for range_min_key in ranges['counts'][::2]:
i += 2
solr_count = ranges['counts'][i]
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = True
dt_end = qm.add_solr_gap_to_date(range_min_key,
ranges['gap'])
range_end = qm.convert_date_to_solr_date(dt_end)
solr_range = '[' + range_min_key + ' TO ' + range_end + ' ]'
new_rparams = fl.add_to_request('prop', solr_range, slug)
range_dict = LastUpdatedOrderedDict()
range_dict['id'] = fl.make_request_url(new_rparams)
range_dict['json'] = fl.make_request_url(
new_rparams, '.json')
range_dict['label'] = qm.make_human_readable_date(
range_min_key) + ' to ' + qm.make_human_readable_date(
range_end)
range_dict['count'] = solr_count
range_dict['oc-api:min-date'] = range_min_key
range_dict['oc-api:max-date'] = range_end
field['oc-api:has-range-options'].append(range_dict)
date_fields.append(field)
if len(date_fields) > 0 and 'facet' in self.act_responses:
self.json_ld['oc-api:has-date-facets'] = date_fields
def add_numeric_fields(self, solr_json):
""" adds numeric fields with query options """
num_fields = []
num_facet_ranges = self.get_solr_ranges(solr_json, 'numeric')
if num_facet_ranges is not False:
for solr_field_key, ranges in num_facet_ranges.items():
facet_key_list = solr_field_key.split('___')
slug = facet_key_list[0].replace('_', '-')
# check to see if the field is a linkded data field
# if so, it needs some help with making Filter Links
linked_field = False
field_entity = self.get_entity(slug)
if field_entity is not False:
self.add_active_facet_field(slug)
if field_entity.item_type == 'uri':
linked_field = True
field = self.get_facet_meta(solr_field_key)
field['oc-api:min'] = float(ranges['start'])
field['oc-api:max'] = float(ranges['end'])
gap = float(ranges['gap'])
field['oc-api:gap'] = gap
field['oc-api:has-range-options'] = []
i = -1
for range_min_key in ranges['counts'][::2]:
i += 2
solr_count = ranges['counts'][i]
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = True
range_start = float(range_min_key)
range_end = range_start + gap
solr_range = '[' + str(range_start) + ' TO ' + str(
range_end) + ' ]'
new_rparams = fl.add_to_request('prop', solr_range, slug)
range_dict = LastUpdatedOrderedDict()
range_dict['id'] = fl.make_request_url(new_rparams)
range_dict['json'] = fl.make_request_url(
new_rparams, '.json')
range_dict['label'] = str(round(range_start, 3))
range_dict['count'] = solr_count
range_dict['oc-api:min'] = range_start
range_dict['oc-api:max'] = range_end
field['oc-api:has-range-options'].append(range_dict)
num_fields.append(field)
if len(num_fields) > 0 and 'facet' in self.act_responses:
self.json_ld['oc-api:has-numeric-facets'] = num_fields
def add_date_fields(self, solr_json):
""" adds numeric fields with query options """
date_fields = []
date_facet_ranges = self.get_solr_ranges(solr_json, 'date')
if date_facet_ranges is not False:
for solr_field_key, ranges in date_facet_ranges.items():
facet_key_list = solr_field_key.split('___')
slug = facet_key_list[0].replace('_', '-')
# check to see if the field is a linkded data field
# if so, it needs some help with making Filter Links
linked_field = False
field_entity = self.get_entity(slug)
if field_entity is not False:
self.add_active_facet_field(slug)
if field_entity.item_type == 'uri':
linked_field = True
field = self.get_facet_meta(solr_field_key)
field['oc-api:min-date'] = ranges['start']
field['oc-api:max-date'] = ranges['end']
field['oc-api:gap-date'] = ranges['gap']
field['oc-api:has-range-options'] = []
i = -1
qm = QueryMaker()
for range_min_key in ranges['counts'][::2]:
i += 2
solr_count = ranges['counts'][i]
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = True
dt_end = qm.add_solr_gap_to_date(range_min_key, ranges['gap'])
range_end = qm.convert_date_to_solr_date(dt_end)
solr_range = '[' + range_min_key + ' TO ' + range_end + ' ]'
new_rparams = fl.add_to_request('prop',
solr_range,
slug)
range_dict = LastUpdatedOrderedDict()
range_dict['id'] = fl.make_request_url(new_rparams)
range_dict['json'] = fl.make_request_url(new_rparams, '.json')
range_dict['label'] = qm.make_human_readable_date(range_min_key) + ' to ' + qm.make_human_readable_date(range_end)
range_dict['count'] = solr_count
range_dict['oc-api:min-date'] = range_min_key
range_dict['oc-api:max-date'] = range_end
field['oc-api:has-range-options'].append(range_dict)
date_fields.append(field)
if len(date_fields) > 0 and 'facet' in self.act_responses:
self.json_ld['oc-api:has-date-facets'] = date_fields
def add_numeric_fields(self, solr_json):
""" adds numeric fields with query options """
num_fields = []
num_facet_ranges = self.get_solr_ranges(solr_json, 'numeric')
if num_facet_ranges is not False:
for solr_field_key, ranges in num_facet_ranges.items():
facet_key_list = solr_field_key.split('___')
slug = facet_key_list[0].replace('_', '-')
# check to see if the field is a linkded data field
# if so, it needs some help with making Filter Links
linked_field = False
field_entity = self.get_entity(slug)
if field_entity is not False:
self.add_active_facet_field(slug)
if field_entity.item_type == 'uri':
linked_field = True
field = self.get_facet_meta(solr_field_key)
field['oc-api:min'] = float(ranges['start'])
field['oc-api:max'] = float(ranges['end'])
gap = float(ranges['gap'])
field['oc-api:gap'] = gap
field['oc-api:has-range-options'] = []
i = -1
for range_min_key in ranges['counts'][::2]:
i += 2
solr_count = ranges['counts'][i]
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = True
range_start = float(range_min_key)
range_end = range_start + gap
solr_range = '[' + str(range_start) + ' TO ' + str(range_end) + ' ]'
new_rparams = fl.add_to_request('prop',
solr_range,
slug)
range_dict = LastUpdatedOrderedDict()
range_dict['id'] = fl.make_request_url(new_rparams)
range_dict['json'] = fl.make_request_url(new_rparams, '.json')
range_dict['label'] = str(round(range_start,3))
range_dict['count'] = solr_count
range_dict['oc-api:min'] = range_start
range_dict['oc-api:max'] = range_end
field['oc-api:has-range-options'].append(range_dict)
num_fields.append(field)
if len(num_fields) > 0 and 'facet' in self.act_responses:
self.json_ld['oc-api:has-numeric-facets'] = num_fields
def make_facet_value_obj(self,
solr_facet_key,
solr_facet_value_key,
solr_facet_count):
""" Makes an last-ordered-dict for a facet """
facet_key_list = solr_facet_value_key.split('___')
if len(facet_key_list) == 4:
# ----------------------------
# Case where facet values are encoded as:
# slug___data-type___/uri-item-type/uuid___label
# ----------------------------
data_type = facet_key_list[1]
if 'http://' in facet_key_list[2] or 'https://' in facet_key_list[2]:
is_linked_data = True
else:
is_linked_data = False
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = is_linked_data # allow partial matches of parameters.
output = LastUpdatedOrderedDict()
slug = facet_key_list[0]
new_rparams = fl.add_to_request_by_solr_field(solr_facet_key,
slug)
output['id'] = fl.make_request_url(new_rparams)
output['json'] = fl.make_request_url(new_rparams, '.json')
if is_linked_data:
output['rdfs:isDefinedBy'] = facet_key_list[2]
else:
output['rdfs:isDefinedBy'] = settings.CANONICAL_HOST + facet_key_list[2]
output['label'] = facet_key_list[3]
output['count'] = solr_facet_count
output['slug'] = slug
output['data-type'] = data_type
else:
# ----------------------------
# Sepcilized cases of non-encoded facet values
# ----------------------------
output = self.make_specialized_facet_value_obj(solr_facet_key,
solr_facet_value_key,
solr_facet_count)
return output
def make_facet_value_obj(self, solr_facet_key, solr_facet_value_key,
solr_facet_count):
""" Makes an last-ordered-dict for a facet """
facet_key_list = solr_facet_value_key.split('___')
if len(facet_key_list) == 4:
# ----------------------------
# Case where facet values are encoded as:
# slug___data-type___/uri-item-type/uuid___label
# ----------------------------
data_type = facet_key_list[1]
if 'http://' in facet_key_list[2] or 'https://' in facet_key_list[
2]:
is_linked_data = True
else:
is_linked_data = False
fl = FilterLinks()
fl.base_search_link = self.base_search_link
fl.base_request_json = self.request_dict_json
fl.base_r_full_path = self.request_full_path
fl.spatial_context = self.spatial_context
fl.partial_param_val_match = is_linked_data # allow partial matches of parameters.
output = LastUpdatedOrderedDict()
slug = facet_key_list[0]
new_rparams = fl.add_to_request_by_solr_field(solr_facet_key, slug)
output['id'] = fl.make_request_url(new_rparams)
output['json'] = fl.make_request_url(new_rparams, '.json')
if is_linked_data:
output['rdfs:isDefinedBy'] = facet_key_list[2]
else:
output[
'rdfs:isDefinedBy'] = settings.CANONICAL_HOST + facet_key_list[
2]
output['label'] = facet_key_list[3]
output['count'] = solr_facet_count
output['slug'] = slug
output['data-type'] = data_type
else:
# ----------------------------
# Sepcilized cases of non-encoded facet values
# ----------------------------
output = self.make_specialized_facet_value_obj(
solr_facet_key, solr_facet_value_key, solr_facet_count)
return output
