include nodes in the map view

xmrnodes/helpers.py

@@ -92,9 +92,12 @@ def rw_cache(key_name, data=None):
             f.write(pickle.dumps(data))
             return data
     else:
+        try:
             with open(pickle_file, "rb") as f:
                 pickled_data = pickle.load(f)
                 return pickled_data
+        except:
+            return {}
 
 
 def retrieve_peers(host, port):

xmrnodes/routes/meta.py

@@ -65,10 +65,16 @@ def index():
 def map():
     try:
         peers = rw_cache("map_peers")
+        nodes = Node.select().where(Node.datetime_checked)
     except:
         flash("Couldn't load the map. Try again later.")
         return redirect("/")
-    return render_template("map.html", peers=peers, source_node=config.NODE_HOST)
+    return render_template(
+        "map.html", 
+        peers=peers, 
+        nodes=nodes,
+        source_node=config.NODE_HOST
+    )
 
 
 @bp.route("/about")

xmrnodes/templates/map.html

@@ -56,14 +56,14 @@
 {% endwith %}
 
 <div class="center info">
-  <p>Peers seen ~24 hours: {{ peers | length }}</p>
+  <p>Peers seen ~2 weeks: {{ peers | length }}</p>
   <p>Source Node: {{ source_node }}</p>
   <p>
     This is not a full representation of the entire Monero network,
     just a look into the peers being recursively crawled from the source node ({{ source_node }}).
-    New peers are searched for once per day.
+    New peers are searched for once per week on average.
     Older peers are shown as more transparent and will be removed 
-    if not seen again after {{ config.PEER_LIFETIME }} hours.
+    if not seen again after some time.
   </p>
   <br>
   <a href="/">Go home</a>
@@ -95,8 +95,42 @@
    })
  });
 
- {% for peer in peers %}
+ {% for peer in nodes %}
+   {% if peer.datetime_checked | hours_elapsed > 24 %}
+      {% set fill_color = 'rgba(1,1,45,.2)' %}
+   {% elif peer.datetime_checked | hours_elapsed > 16 %}
+      {% set fill_color = 'rgba(1,1,45,.4)' %}
+   {% elif peer.datetime_checked | hours_elapsed > 8 %}
+      {% set fill_color = 'rgba(1,1,45,.6)' %}
+   {% elif peer.datetime_checked | hours_elapsed > 4 %}
+      {% set fill_color = 'rgba(1,1,45,.8)' %}
+   {% else %}
+      {% set fill_color = 'rgba(1,1,45,1)' %}
+   {% endif %}
+   var feature = new ol.Feature(
+       new ol.geom.Point(ol.proj.transform(['{{ peer.lon }}', '{{ peer.lat }}'], 'EPSG:4326', 'EPSG:3857'))
+   );
+   feature.description = [
+     'Node {{ peer.url }}',
+     'Last seen {{ peer.datetime_checked | humanize }}'
+   ];
+   feature.setStyle(new ol.style.Style({
+        image: new ol.style.Circle({
+            radius: 6,
+            fill: new ol.style.Fill({
+                color: '{{ fill_color }}',
+            }),
+            stroke: new ol.style.Stroke({
+                color: '#fff',
+                width: 1
+            })
+        })
+    })
+  );
+  markerLayer.getSource().addFeature(feature);
+ {% endfor %}
 
+ {% for peer in peers %}
    {% if peer.datetime | hours_elapsed > 24 %}
       {% set fill_color = 'rgba(238,111,45,.2)' %}
    {% elif peer.datetime | hours_elapsed > 16 %}