progress commit

app.js

@@ -20,6 +20,8 @@ sanitisers.reverse  = require('./sanitiser/reverse');
 var controllers     = {};
 controllers.index   = require('./controller/index');
 controllers.suggest = require('./controller/suggest');
+controllers.suggest_poi = require('./controller/suggest_poi');
+controllers.suggest_admin = require('./controller/suggest_admin');
 controllers.search  = require('./controller/search');
 
 /** ----------------------- routes ----------------------- **/
@@ -29,6 +31,8 @@ app.get( '/', controllers.index() );
 
 // suggest API
 app.get( '/suggest', sanitisers.suggest.middleware, controllers.suggest() );
+app.get( '/suggest/poi', sanitisers.suggest.middleware, controllers.suggest_poi() );
+app.get( '/suggest/admin', sanitisers.suggest.middleware, controllers.suggest_admin() );
 
 // search API
 app.get( '/search', sanitisers.search.middleware, controllers.search() );

controller/suggest.js

@@ -3,16 +3,19 @@ var geojsonify = require('../helper/geojsonify').suggest;
 
 function setup( backend, query ){
 
-  // allow overriding of dependencies
-  backend = backend || require('../src/backend');
-  query = query || require('../query/suggest');
-
   function controller( req, res, next ){
 
-    // backend command
+    // combine the 2 queries
+
+    // allow overriding of dependencies
+    backend = backend || require('../src/backend');
+    var query_admin = require('../query/suggest_admin');
+    var query_poi = require('../query/suggest_admin');
+
+    // **query_poi** command
     var cmd = {
       index: 'pelias',
-      body: query( req.clean )
+      body: query_poi( req.clean )
     };
 
     // query backend
@@ -28,14 +31,39 @@ function setup( backend, query ){
         docs = data['pelias'][0].options || [];
       }
 
-      // convert docs to geojson
-      var geojson = geojsonify( docs );
+      // **query_admin** command
+      var cmd = {
+        index: 'pelias',
+        body: query_admin( req.clean )
+      };
+
+      // query backend
+      backend().client.suggest( cmd, function( err, data ){
+
+        var docs2 = [];
+
+        // handle backend errors
+        if( err ){ return next( err ); }
+
+        // map response to a valid FeatureCollection
+        if( data && Array.isArray( data.pelias ) && data.pelias.length ){
+          docs2 = data['pelias'][0].options || [];
+        }
+
+        /** --- combine 2 doc sets --- **/
+        var combined = docs2.slice(0, 3).concat(docs);
+
+        // convert docs to geojson
+        var geojson = geojsonify( combined );
+
+        // response envelope
+        geojson.date = new Date().getTime();
+
+        // respond
+        return res.status(200).json( geojson );
 
-      // response envelope
-      geojson.date = new Date().getTime();
+      });
 
-      // respond
-      return res.status(200).json( geojson );
     });
 
   }

controller/suggest_admin.js

@@ -0,0 +1,50 @@
+
+/**
+  README: http://www.elasticsearch.org/guide/en/elasticsearch/client/javascript-api/current/api-reference.html#api-suggest
+**/
+
+var geojsonify = require('../helper/geojsonify').suggest;
+
+function setup( backend, query ){
+
+  // allow overriding of dependencies
+  backend = backend || require('../src/backend');
+  query = query || require('../query/suggest_admin');
+
+  function controller( req, res, next ){
+
+    // backend command
+    var cmd = {
+      index: 'pelias',
+      body: query( req.clean )
+    };
+
+    // query backend
+    backend().client.suggest( cmd, function( err, data ){
+
+      var docs = [];
+
+      // handle backend errors
+      if( err ){ return next( err ); }
+
+      // map response to a valid FeatureCollection
+      if( data && Array.isArray( data.pelias ) && data.pelias.length ){
+        docs = data['pelias'][0].options || [];
+      }
+
+      // convert docs to geojson
+      var geojson = geojsonify( docs );
+
+      // response envelope
+      geojson.date = new Date().getTime();
+
+      // respond
+      return res.status(200).json( geojson );
+    });
+
+  }
+
+  return controller;
+}
+
+module.exports = setup;

controller/suggest_poi.js

@@ -0,0 +1,46 @@
+
+var geojsonify = require('../helper/geojsonify').suggest;
+
+function setup( backend, query ){
+
+  // allow overriding of dependencies
+  backend = backend || require('../src/backend');
+  query = query || require('../query/suggest_poi');
+
+  function controller( req, res, next ){
+
+    // backend command
+    var cmd = {
+      index: 'pelias',
+      body: query( req.clean )
+    };
+
+    // query backend
+    backend().client.suggest( cmd, function( err, data ){
+
+      var docs = [];
+
+      // handle backend errors
+      if( err ){ return next( err ); }
+
+      // map response to a valid FeatureCollection
+      if( data && Array.isArray( data.pelias ) && data.pelias.length ){
+        docs = data['pelias'][0].options || [];
+      }
+
+      // convert docs to geojson
+      var geojson = geojsonify( docs );
+
+      // response envelope
+      geojson.date = new Date().getTime();
+
+      // respond
+      return res.status(200).json( geojson );
+    });
+
+  }
+
+  return controller;
+}
+
+module.exports = setup;

query/suggest_admin.js

@@ -0,0 +1,29 @@
+
+var logger = require('../src/logger');
+
+// Build pelias suggest query
+function generate( params ){
+
+  var cmd = {
+    'pelias' : {
+      'text' : params.input,
+      'completion' : {
+        'size' : params.size,
+        'field' : 'suggest',
+        'context': {
+          'dataset': ['admin0','admin1','admin2'],
+          'location': {
+            'value': [ params.lon, params.lat ],
+            'precision': 1
+          }
+        }
+      }
+    }
+  };
+
+  // logger.log( 'cmd', JSON.stringify( cmd, null, 2 ) );
+  return cmd;
+
+}
+
+module.exports = generate;