From ed09134c1d99ea806cbdf9f8953493e7211b89d2 Mon Sep 17 00:00:00 2001
From: Christopher Baines <cb15g11@soton.ac.uk>
Date: Sat, 28 Jun 2014 12:52:37 +0100
Subject: Add references to the building entrances

---
 create-data.js | 96 +++++++++++++++++++++++++++++-----------------------------
 1 file changed, 48 insertions(+), 48 deletions(-)

(limited to 'create-data.js')

diff --git a/create-data.js b/create-data.js
index 420aa94..ed673f2 100755
--- a/create-data.js
+++ b/create-data.js
@@ -309,35 +309,49 @@ function processBuildingParts(buildingParts, callback) {
     });
 }
 
-function getPartToLevelMap(buildingRelations, callback) {
-    var levelRelations = [];
+function getPartToLevelMap(buildingRelations, buildings, callback) {
+    var osmIDToLevels = {};
 
     // Process level relations
     async.each(buildingRelations, function(buildingRelation, callback) {
-        getLevelRelations(buildingRelation, function(err, newLevelRelations) {
-            levelRelations.push.apply(levelRelations, newLevelRelations);
-            callback();
-        });
-    }, function(err) {
+        getLevelRelations(buildingRelation, function(err, levelRelations) {
+            levelRelations.forEach(function(level) {
 
-        osmIDToLevels = {};
+                for (var i=0; i<level.members.length; i++) {
+                    var member = level.members[i];
 
-        async.each(levelRelations, function(level, callback) {
-            getBuildingPartMemberRefs(level, function(err, refs) {
-                for (var i=0; i<refs.length; i++) {
-                    var ref = refs[i];
+                    if (member.role === 'buildingpart' ||
+                        member.role === 'entrance') {
 
-                    if (!(ref in osmIDToLevels)) {
-                        osmIDToLevels[ref] = [];
-                    }
+                        var ref = member.ref;
+
+                        if (!(ref in osmIDToLevels)) {
+                            osmIDToLevels[ref] = [];
+                        }
+
+                        osmIDToLevels[ref].push(parseInt(level.tags.level, 10));
+
+                        if (member.role === 'entrance') {
+                            if ("uri" in buildingRelation.tags) {
+                                var uri = buildingRelation.tags.uri;
 
-                    osmIDToLevels[refs[i]].push(parseInt(level.tags.level, 10));
+                                var building = buildings[uri];
+                                var buildingProperties = building.properties;
+
+                                if (!("entrances" in buildingProperties)) {
+                                    buildingProperties.entrances = [];
+                                }
+
+                                buildingProperties.entrances.push(ref);
+                            }
+                        }
+                    }
                 }
-                callback();
             });
-        }, function(err) {
-            callback(osmIDToLevels);
+            callback();
         });
+    }, function(err) {
+        callback(osmIDToLevels);
     });
 }
 
@@ -375,24 +389,16 @@ SELECT ?room ?type ?label ?building WHERE {
               rdfs:label ?label ;\
               spacerel:within ?building .\
         }\
-    }";
+    } limit 10";
 
     sparqlQuery(query, function(err, data) {
         if (err) {
-            console.error("Query " + query);
-            console.error(err);
+            callback(err);
+            return;
         }
 
         console.log("Got building parts sparql query back");
 
-        /*if ('error-message' in result) {
-            console.error("error in createBuildingParts");
-            console.error(result);
-            console.error("query " + query);
-            callback(result);
-            return;
-        }*/
-
         var rooms = {};
 
         data.results.bindings.forEach(function(result) {
@@ -510,7 +516,7 @@ function createBuildingParts(buildings, callback) {
                 },
                 // determine the level for the building parts
                 function(callback) {
-                    getPartToLevelMap(buildingRelations, function(osmIDToLevels) {
+                    getPartToLevelMap(buildingRelations, buildings, function(osmIDToLevels) {
 
                         // Assign levels to parts
 
@@ -567,22 +573,6 @@ function createBuildingParts(buildings, callback) {
     );
 }
 
-function getBuildingPartMemberRefs(levelRelation, callback) {
-    var partRefs = []
-
-    for (var i=0; i<levelRelation.members.length; i++) {
-        var member = levelRelation.members[i];
-
-        if (member.role === 'buildingpart' ||
-            member.role === 'entrance') {
-
-            partRefs.push(member.ref);
-        }
-    }
-
-    callback(null, partRefs);
-}
-
 function getDoors(room, callback) {
 
     var query = "select osm_id, ST_AsGeoJSON(ST_Transform(way, 4326), 10) as point from planet_osm_point where (select nodes from planet_osm_ways where id=" + room.id + ") @> ARRAY[osm_id];";
@@ -1631,7 +1621,17 @@ function sparqlQuery(query, callback) {
             if (res.statusCode !== 200)
                 callback(data);
 
-            var obj = JSON.parse(data);
+            try {
+                var obj = JSON.parse(data);
+            } catch (err) {
+                console.error("Error parsing output from sparql.data.southampton.ac.uk");
+                console.error(data);
+
+                console.error(query);
+
+                callback(err);
+                return;
+            }
 
             callback(null, obj);
         })
-- 
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