| import logging |
| import os |
| import os.path |
| import urllib.request, urllib.parse, urllib.error |
| import json |
| |
| from edge.writer.solrtemplateresponsewriter import SolrTemplateResponseWriter |
| from edge.opensearch.solrtemplateresponse import SolrTemplateResponse |
| |
| class Writer(SolrTemplateResponseWriter): |
| def __init__(self, configFilePath): |
| super(Writer, self).__init__(configFilePath) |
| |
| templatePath = os.path.dirname(configFilePath) + os.sep |
| templatePath += self._configuration.get('service', 'template') |
| self.template = self._readTemplate(templatePath) |
| |
| def _generateOpenSearchResponse(self, solrResponse, searchText, searchUrl, searchParams, pretty): |
| response = SolrTemplateResponse(self._configuration, searchUrl, searchParams) |
| response.setTemplate(self.template) |
| response.variables['serviceUrl'] = self._configuration.get('service', 'url') |
| |
| return response.generate(solrResponse, pretty=pretty) |
| |
| def _constructSolrQuery(self, startIndex, entriesPerPage, parameters, facets): |
| sortKeys = json.loads(self._configuration.get('solr', 'sortKeys')) |
| |
| queries = [] |
| filterQueries = [] |
| sort = None |
| sortDir = 'asc' |
| |
| for key, value in parameters.items(): |
| if value != "": |
| if key == 'keyword': |
| queries.append(urllib.parse.quote(value)) |
| elif key == 'startTime': |
| queries.append('EndingDateTime:['+value+'%20TO%20*]') |
| elif key == 'endTime': |
| queries.append('BeginningDateTime:[*%20TO%20'+value+']') |
| elif key == 'bbox': |
| coordinates = value.split(",") |
| filterQueries.append('Spatial-Geometry:[' + coordinates[1] + ',' + coordinates[0] + '%20TO%20' + coordinates[3] + ',' + coordinates[2] + ']') |
| elif key == 'shortName': |
| queries.append('ShortName:' + self._urlEncodeSolrQueryValue(value)) |
| elif key == 'sortKey': |
| if value in list(sortKeys.keys()): |
| sort = sortKeys[value] |
| elif key == 'sortDir': |
| sortDir = value |
| |
| for key, value in facets.items(): |
| if type(value) is list: |
| if (len(value) == 1): |
| filterQueries.append(key + ':' + self._urlEncodeSolrQueryValue(value[0])) |
| else: |
| filterQueries.append(key + ':(' + '+OR+'.join([ self._urlEncodeSolrQueryValue(x) for x in value ]) + ")") |
| else: |
| filterQueries.append(key + ':' + self._urlEncodeSolrQueryValue(value)) |
| |
| if len(queries) == 0: |
| queries.append('*:*') |
| |
| query = 'q='+'+AND+'.join(queries)+'&version=2.2&indent=on&wt=json' |
| |
| if len(filterQueries) > 0: |
| query += '&fq='+'+AND+'.join(filterQueries) |
| |
| if self.facet: |
| query += '&rows=0&facet=true&facet.limit=-1&facet.mincount=1&' |
| query += '&'.join(['facet.field=' + facet for facet in list(self.facetDefs.values())]) |
| else: |
| query += '&start='+str(startIndex)+'&rows='+str(entriesPerPage) |
| if sort is not None: |
| query += '&sort=' + urllib.parse.quote(sort + ' ' + sortDir) |
| |
| logging.debug('solr query: '+query) |
| |
| return query |