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[Search] Fuzziness operator

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Insead of wildcards, adding the fuzziness
operator to searches to ensure completeness
of the search results.
This commit is contained in:
shale 2015-07-15 12:14:30 -07:00
parent e634d77a8e
commit eee9309650
1 changed files with 23 additions and 6 deletions
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29
platform/features/search/src/QueryService.js
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@ -161,6 +161,26 @@ define(
return true;
}
// Add wildcards to the font and end of each subterm
function addWildcards(searchTerm) {
return searchTerm.split(' ').map(function (s) {
return '*' + s + '*';
}).join(' ');
}
// Add the fuzziness operator to the search term
function addFuzziness(searchTerm, editDistance) {
if (!editDistance) {
editDistance = '';
}
return searchTerm.split(' ').map(function (s) {
return s + '~' + editDistance;
}).join(' ');
//searchTerm + '~' + editDistance;
}
// Currently specific to elasticsearch
function processSearchTerm(searchTerm) {
// Shave any spaces off of the ends of the input
@ -172,17 +192,14 @@ define(
}
if (isDefaultInput(searchTerm)) {
// Elasticsearch splits terms up by spaces
// Add wildcards to the font and end of each subterm
searchTerm = searchTerm.split(' ').map(function (s) {
return '*' + s + '*';
}).join(' ');
// Add fuzziness for completeness
searchTerm = addFuzziness(searchTerm);
// Searching 'name' by default
searchTerm = 'name:' + searchTerm;
}
//console.log('processed serach term ', searchTerm);
console.log('processed search term ', searchTerm);
return searchTerm;
}