Add support for blacklist and word splitting in wfs search (#1647)

* Add support for blacklist and word splitting in wfs search * updated documentation
geosolutions-it · Mar 27, 2017 · 3d10eb4 · 3d10eb4
1 parent e81ecb3
commit 3d10eb4
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/web/client/api/searchText.js b/web/client/api/searchText.js
@@ -24,14 +24,22 @@ module.exports = {
         require('./Nominatim')
         .geocode(searchText, options)
         .then( res => GeoCodeUtils.nominatimToGeoJson(res.data)),
-    wfs: (searchText, {url, typeName, queriableAttributes, outputFormat="application/json", predicate ="ILIKE", staticFilter="", ...params }) => {
+    wfs: (searchText, {url, typeName, queriableAttributes, outputFormat="application/json", predicate ="ILIKE", staticFilter="", blacklist = [], ...params }) => {
+        // split into words and remove blacklisted words
+        let searchWords = searchText.split(" ").filter(w => w).filter( w => blacklist.indexOf(w.toLowerCase()) < 0 );
+
+        // if the searchtext is empty use the full searchText
+        if (searchWords.length === 0 ) {
+            searchWords = [searchText];
+        }
         return WFS
             .getFeatureSimple(url, assign({
                     maxFeatures: 10,
                     startIndex: 0,
                     typeName,
                     outputFormat,
-                    cql_filter: queriableAttributes.map( attr => `${attr} ${predicate} '%${searchText}%'`).join(' OR ').concat(staticFilter)
+                    // create a filter like : `(ATTR ilike  '%word1%') AND (ATTR ilike '%word2%')`
+                    cql_filter: "(".concat( searchWords.map( (w) => queriableAttributes.map( attr => `${attr} ${predicate} '%${w.replace("'", "''")}%'`).join(" OR ")).join(') AND (')).concat(")") .concat(staticFilter)
                 }, params))
             .then( response => response.features );
     }

diff --git a/web/client/plugins/Search.jsx b/web/client/plugins/Search.jsx
@@ -98,7 +98,8 @@ const ToggleButton = require('./searchbar/ToggleButton');
  *        "queriableAttributes": ["attribute_to_query"],
  *        "sortBy": "ID",
  *        "srsName": "EPSG:4326",
- *        "maxFeatures": 4
+ *        "maxFeatures": 4,
+ *        "blackist": [... an array of strings to exclude from the final search filter ]
  *      },
  *      "nestedPlaceholder": "Write other text to refine the search...",
  *      "then": [ ... an array of services to use when one item of this service is selected]