From ab0ebc8eb5e9fd2e70c9685d710b148686dceb6c Mon Sep 17 00:00:00 2001
From: IanMJB <ianmjb@gmail.com>
Date: Fri, 12 Sep 2014 15:59:44 +0100
Subject: Magic with recommended entrances.

---
 create-data.js      | 40 ++++++++++++++++++++++++++++++++++++++++
 examples/doors.html | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/create-data.js b/create-data.js
index 2cd3353..6ba0408 100755
--- a/create-data.js
+++ b/create-data.js
@@ -320,6 +320,9 @@ function processBuildingParts(buildingParts, callback) {
                     function(callback) {
                         findRoomContents(part, workstations, callback);
                     },
+                    function(callback) {
+                        getRecommendedEntrances(part, callback);
+                    },
                     function(callback) {
                         findRoomImages(part, callback);
                     }],
@@ -1130,6 +1133,43 @@ SELECT * WHERE {\
     });
 }
 
+function getRecommendedEntrances(part, callback) {
+    var query = "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\
+        PREFIX portals: <http://purl.org/openorg/portals/>\
+        PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>\
+        SELECT ?portal WHERE {\
+            ?uri portals:recommendedBuildingEntrance ?portal\
+                FILTER (\
+                        ?uri = <URI>\
+                       )\
+        }";
+
+    query = query.replace("URI", part.properties.uri);
+
+    sparqlQuery(query, function(err, data) {
+        if (err) {
+            console.error("error in getRecommended Entrance");
+            console.error("query " + query);
+            console.error(err);
+        }
+
+        part.properties.recommendedEntrances = portals = [];
+
+        data.results.bindings.forEach(function(portal) {
+            if ('error-message' in portal) {
+                console.error("error in portals");
+                console.error(JSON.stringify(feature));
+                console.error("query:\n" + query);
+                return;
+            }
+
+            portals.push(portal.portal.value);
+        });
+
+        callback(null, portals);
+    });
+}
+
 // workstations
 
 function getUniWorkstations(workstations, callback) {
diff --git a/examples/doors.html b/examples/doors.html
index 4957a41..070045e 100644
--- a/examples/doors.html
+++ b/examples/doors.html
@@ -70,11 +70,16 @@
             });
 
             var buildingRooms = {};
+            var roomsByUri = {};
 
             // Find the building rooms (probably something that the library
             // should help with, but it does not (yet)
             data.buildingParts.features.forEach(function(part) {
                 if (part.properties.buildingpart === "room") {
+
+                    if ("uri" in part.properties) {
+                        roomsByUri[part.properties.uri] = part;
+                    }
                     if (!("building" in part.properties)) {
                         console.log("unknown building");
                         console.log(part);
@@ -91,6 +96,8 @@
                 }
             });
 
+            console.log("roomsByUri");
+            console.log(roomsByUri);
 
             data.buildings.features.forEach(function(building) {
                 // if the building has some entrances in the data
@@ -221,9 +228,37 @@
                         tbody.appendChild(tr);
                     });
 
+
                     table.appendChild(tbody);
                     div.appendChild(table);
                 }
+
+                var ul = document.createElement("ul");
+                for(var level in building.properties.rooms) {
+                    var rooms = building.properties.rooms[level];
+                    rooms.forEach(function(room) {
+                        var li = document.createElement("li");
+                        li.textContent = room;
+
+                        if (room in roomsByUri) {
+                            var roomPart = roomsByUri[room];
+                            var nested_ul = document.createElement("ul");
+                            roomPart.properties.recommendedEntrances.forEach(function(entrance) {
+                                console.log("entrance");
+                                console.log(entrance);
+                                var nested_li = document.createElement("li");
+                                nested_li.textContent = entrance;
+                                nested_ul.appendChild(nested_li);
+                            });
+                            li.appendChild(nested_ul);
+                        } else {
+                            // dont know location
+                        }
+
+                        ul.appendChild(li);
+                    });
+                }
+                div.appendChild(ul);
             });
         });
 
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