| import logging |
| import os |
| import os.path |
| import urllib.request, urllib.parse, urllib.error |
| import json |
| |
| from edge.writer.solrtemplateresponsewriter import SolrTemplateResponseWriter |
| from edge.response.solrjsontemplateresponse import SolrJsonTemplateResponse |
| |
| class Writer(SolrTemplateResponseWriter): |
| def __init__(self, configFilePath): |
| super(Writer, self).__init__(configFilePath) |
| |
| self.contentType = 'application/json' |
| |
| 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 = SolrJsonTemplateResponse(searchUrl, searchParams) |
| response.setTemplate(self.template) |
| |
| return response.generate(solrResponse, pretty=pretty) |
| |
| def _constructSolrQuery(self, startIndex, entriesPerPage, parameters, facets): |
| variable = json.loads(self._configuration.get('solr', 'variable')) |
| |
| # if no QC flag is given, default to only good |
| if not "qualityFlag" in list(parameters.keys()): |
| parameters['qualityFlag'] = 1 |
| |
| queries = [] |
| filterQueries = [] |
| sort = None |
| |
| for key, value in parameters.items(): |
| if value != "": |
| if key == 'keyword': |
| queries.append(urllib.parse.quote(value)) |
| elif key == 'startTime': |
| filterQueries.append('time:['+value+'%20TO%20*]') |
| elif key == 'endTime': |
| filterQueries.append('time:[*%20TO%20'+value+']') |
| elif key == 'bbox': |
| coordinates = value.split(",") |
| filterQueries.append('point_srpt:[' + coordinates[1] + ',' + coordinates[0] + '%20TO%20' + coordinates[3] + ',' + coordinates[2] + ']') |
| elif key == 'variable': |
| if value.lower() in variable: |
| filterQueries.append("(" + "+OR+".join([x + ":[*%20TO%20*]" for x in variable[value.lower()]]) + ")") |
| elif key == 'minDepth': |
| filterQueries.append('depth:['+value+'%20TO%20*]') |
| elif key == 'maxDepth': |
| filterQueries.append('depth:[*%20TO%20'+value+']') |
| elif key == 'platform': |
| if type(value) is list: |
| filterQueries.append('platform:(' + '+OR+'.join(value) + ')') |
| else: |
| filterQueries.append('platform:'+value) |
| |
| if len(queries) == 0: |
| queries.append('*:*') |
| |
| query = 'q='+'+AND+'.join(queries)+'&wt=json&start='+str(startIndex)+'&rows='+str(entriesPerPage) |
| |
| if len(filterQueries) > 0: |
| query += '&fq='+'+AND+'.join(filterQueries) |
| |
| if sort is not None: |
| query += '&sort=' + sort |
| |
| if 'stats' in parameters and parameters['stats'].lower() == 'true': |
| query += '&stats=true&stats.field={!min=true%20max=true}depth' |
| |
| if 'facet' in parameters and parameters['facet'].lower() == 'true': |
| query += '&facet=true&facet.field=platform&facet.field=device&facet.limit=-1&facet.mincount=1' |
| |
| logging.debug('solr query: '+query) |
| |
| return query |
