Add an overview map showing a limited number of features that need as…

…sessing.

app/controllers/projects_controller.rb

@@ -70,9 +70,28 @@ def all_snippets
     @crossdomain_url = root_url + "crossdomain.xml"
   end
 
+  def map
+    if params[:bbox]
+      bbox = bbox_from_string(params[:bbox], ProjectWay.rgeo_factory)
+      ways = @project.ways.status_unchanged.intersects(bbox.to_geometry).limit(100)
+      nodes = @project.nodes.status_unchanged.intersects(bbox.to_geometry).limit(100)
+    else
+      ways = @project.ways.status_unchanged.limit(100)
+      nodes = @project.nodes.status_unchanged.limit(100)
+    end
+    entities = [nodes, ways].flatten
+    factory = RGeo::GeoJSON::EntityFactory.new
+    collection = factory.feature_collection(entities.map { | entity | entity_feature(entity) })
+    @geojson = RGeo::GeoJSON.encode(collection).to_json
+  end
+
   private
 
   def load_project
     @project = Project.find(params[:id])
   end
+
+  def entity_feature(e)
+    e.loc_feature({url: view_context.url_for(e)})
+  end
 end

app/views/projects/map.html.haml

@@ -0,0 +1,17 @@
+%h1= t ".unprocessed_entities"
+
+#map
+:javascript
+  var map = new OpenLayers.Map('map', {projection : new OpenLayers.Projection("EPSG:900913"),displayProjection : new OpenLayers.Projection("EPSG:4326")});
+  map.addLayer(new OpenLayers.Layer.OSM("OpenStreetMap"));
+  map.addLayer(new OpenLayers.Layer.OSM("OpenCycleMap", ["http://a.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
+  "http://b.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png",
+  "http://c.tile.opencyclemap.org/cycle/${z}/${x}/${y}.png"]));
+  map.addControl(new OpenLayers.Control.LayerSwitcher());
+  map.addControl(new OpenLayers.Control.MousePosition());
+  vectors = new OpenLayers.Layer.Vector("Vectors", {projection : new OpenLayers.Projection("EPSG:4326"), styleMap : MapStyle.displayStyle()});
+  var format = new OpenLayers.Format.GeoJSON({internalProjection : new OpenLayers.Projection("EPSG:900913"),externalProjection : new OpenLayers.Projection("EPSG:4326")});
+  var format_plain = new OpenLayers.Format.GeoJSON();
+  vectors.addFeatures(format.read(#{@geojson}));
+  map.addLayer(vectors);
+  map.zoomToExtent(vectors.getDataExtent());

config/authorization_rules.rb

@@ -8,7 +8,7 @@
     has_permission_on :devise_sessions, :devise_registrations, :devise_confirmations,
                       :devise_invitations, :devise_passwords, :to => :manage
     has_permission_on :site, :to => :index
-    has_permission_on :projects, :to => [:view, :all_snippets, :tagged_nodes, :tagged_ways, :tagged_relations]
+    has_permission_on :projects, :to => [:view, :all_snippets, :tagged_nodes, :tagged_ways, :tagged_relations, :map]
     has_permission_on :api_maps, :to => :view
     has_permission_on :api_node, :to => [:view, :status]
     has_permission_on :api_way, :to => [:view, :status]

config/routes.rb

@@ -7,6 +7,7 @@
     get 'tagged_nodes', :on => :member
     get 'tagged_ways', :on => :member
     get 'tagged_relations', :on => :member
+    get 'map', :on => :member
     resources :nodes
     resources :ways
     resources :relations

lib/entity.rb

@@ -20,6 +20,10 @@ def status_changed
       where("status is not null and status != ?", default_status)
     end
 
+    def status_unchanged
+      where("status is null or status = ?", default_status)
+    end
+
     def percentage_status_changed
       if self.count > 0 && self.with_tags.count > 0
         ((self.with_tags.status_changed.count.to_f / self.with_tags.count) * 100).to_i
@@ -41,4 +45,12 @@ def ordered_tags
   def feature_geojson
     RGeo::GeoJSON.encode(geom).to_json
   end
-end
+
+  def loc_feature(properties = nil)
+    if properties
+      RGeo::GeoJSON::Feature.new(self.geom, self.id, properties)
+    else
+      RGeo::GeoJSON::Feature.new(self.geom)
+    end
+  end
+end