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FacetValueServiceBuilder.js
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FacetValueServiceBuilder.js
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var Class = require('../ext/Class');
var ListServiceTransformConcept = require('../service/list_service/ListServiceTransformConcept');
var ListServiceConceptKeyLookup = require('../service/list_service/ListServiceConceptKeyLookup');
var ListServiceTransformItems = require('../service/list_service/ListServiceTransformItems');
var LookupServiceUtils = require('../sponate/LookupServiceUtils');
var FacetValueService = require('./facet_value_service/FacetValueService');
var FacetValueServiceWrapListService = require('./facet_value_service/FacetValueServiceWrapListService');
var LiteralPreference = require('../sparql/LiteralPreference');
var KeywordSearchUtils = require('../sparql/search/KeywordSearchUtils');
var LabelUtils = require('../sparql/LabelUtils');
var FacetValueServiceBuilder = Class.create({
initialize: function(facetValueService, sparqlService, facetConfig) {
this.facetValueService = facetValueService;
this.sparqlService = sparqlService;
this.facetConfig = facetConfig;
},
labelConfig: function(literalPreference) {
literalPreference = literalPreference || new LiteralPreference();
this._labelConfigLookup(literalPreference);
this._labelConfigFilter(literalPreference);
return this;
},
wrapListService: function(listServiceWrapperFn) {
this.facetValueService = new FacetValueServiceWrapListService(this.facetValueService, listServiceWrapperFn);
return this;
},
constraintTagging: function() {
var constraintManager = this.facetConfig.getConstraintManager();
var listServiceWrapperFn = function(listService, path) {
var r = new ListServiceTransformItems(listService, function(entries) {
var cs = constraintManager.getConstraintsByPath(path);
var values = {};
cs.forEach(function(c) {
if(c.getName() === 'equals') {
values[c.getValue()] = true;
}
});
entries.forEach(function(entry) {
var item = entry.val;
var isConstrained = values['' + item.node];
item.isConstrainedEqual = isConstrained;
});
//$scope.facetValues = items;
return entries;
});
return r;
};
this.wrapListService(listServiceWrapperFn);
return this;
},
_labelConfigFilter: function(literalPreference) {
// TODO: Make the search function configurable
var fnTransformSearch = function(searchString) {
var r;
if(searchString) {
var relation = LabelUtils.createRelationLiteralPreference(literalPreference);
// TODO Make it configurable to whether scan URIs too (the true argument)
r = KeywordSearchUtils.createConceptRegex(relation, searchString, true);
//var result = sparql.KeywordSearchUtils.createConceptBifContains(relation, searchString);
} else {
r = null;
}
return r;
};
var listServiceWrapperFn = function(ls) {
var r = new ListServiceTransformConcept(ls, fnTransformSearch);
return r;
};
this.wrapListService(listServiceWrapperFn);
return this;
},
_labelConfigLookup: function(literalPreference) {
//this._labelConfigLabels(bestLiteralConfig);
//this._labelConfigFilter(bestLiteralConfig);
var self = this;
var listServiceWrapperFn = function(ls) {
var lookupServiceNodeLabels = LookupServiceUtils.createLookupServiceNodeLabels(self.sparqlService, literalPreference);
var r = new ListServiceConceptKeyLookup(ls, lookupServiceNodeLabels, null, function(entry, lookup) {
entry.val.labelInfo = lookup;
return entry;
});
return r;
};
this.wrapListService(listServiceWrapperFn);
return this;
},
create: function() {
return this.facetValueService;
}
});
FacetValueServiceBuilder.core = function(sparqlService, facetConfig, rowLimit) {
var facetValueService = new FacetValueService(sparqlService, facetConfig, rowLimit);
var result = new FacetValueServiceBuilder(facetValueService, sparqlService, facetConfig);
return result;
};
module.exports = FacetValueServiceBuilder;