From 59daee4d49654047db08ab0dd58c1be81935f5c9 Mon Sep 17 00:00:00 2001
From: Alec Vulfson <alec@mapzen.com>
Date: Wed, 27 Jul 2016 13:50:49 -0400
Subject: [PATCH] Ensures NYC 5 boroughs are labelled as boroughs

Created a file that allows choosing a given layer for a specific ID
---
 data/specialCases.json                 |  7 +++++++
 lib/streams/layerMappingStream.js      |  7 ++++++-
 test/streams/layerMappingStreamTest.js | 23 +++++++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 data/specialCases.json

diff --git a/data/specialCases.json b/data/specialCases.json
new file mode 100644
index 00000000..df97ea4d
--- /dev/null
+++ b/data/specialCases.json
@@ -0,0 +1,7 @@
+{
+  "5110302": "borough",
+  "5125771": "borough",
+  "5133273": "borough",
+  "5110266": "borough",
+  "5139568": "borough"
+}
diff --git a/lib/streams/layerMappingStream.js b/lib/streams/layerMappingStream.js
index 05354797..7fbd7317 100644
--- a/lib/streams/layerMappingStream.js
+++ b/lib/streams/layerMappingStream.js
@@ -1,4 +1,5 @@
 var through2 = require('through2');
+var specialID = require('../../data/specialCases');
 
 function featureCodeToLayerDefault(featureCode) {
   switch (featureCode) {
@@ -83,9 +84,13 @@ function featureCodeToLayer(featureCode, countryCode) {
   }
 }
 
+function mapIDtoLayer(id){
+  return specialID[id];
+}
+
 function create() {
   return through2.obj(function(data, enc, next) {
-    data.layer = featureCodeToLayer(data.feature_code, data.country_code);
+    data.layer = mapIDtoLayer(data._id) || featureCodeToLayer(data.feature_code, data.country_code);
 
     next(null, data);
   });
diff --git a/test/streams/layerMappingStreamTest.js b/test/streams/layerMappingStreamTest.js
index 81a1ce42..e13814e9 100644
--- a/test/streams/layerMappingStreamTest.js
+++ b/test/streams/layerMappingStreamTest.js
@@ -80,3 +80,26 @@ tape('layerMappingStream', function(test) {
     });
   });
 });
+
+tape('IDtoLayer', function(test){
+  test.test('special cases: the nyc boroughs', function(t){
+    var input = [
+    {_id: 5110302, feature_code: 'PPLA2'},
+    {_id: 5125771, feature_code: 'PPLA2'},
+    {_id: 5133273, feature_code: 'PPLA2'},
+    {_id: 5110266, feature_code: 'PPLA2'},
+    {_id: 5139568, feature_code: 'PPLA2'},
+    {_id: 5112223, feature_code: 'PPLA'}];
+    var stream = layerMappingStream.create();
+
+    test_stream(input,stream,function(err, results){
+      var actual = results.map(function(doc){
+        return doc.layer;
+      });
+      var expected = ['borough','borough','borough','borough','borough','locality'];
+
+      test.deepEqual(actual,expected,'special case: NYC handled');
+      t.end();
+    });
+  });
+});