[gnome-maps] placeStore: Add isStale method

[Jonas Danielsson <jonasdn src gnome org>]

commit 74ec97b8d907c5d4d04448276ebdebb837e174e1
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Mon Jan 5 07:36:37 2015 -0500

    placeStore: Add isStale method
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742374

 src/placeStore.js |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/src/placeStore.js b/src/placeStore.js
index 69c12b9..da504dd 100644
--- a/src/placeStore.js
+++ b/src/placeStore.js
@@ -31,6 +31,8 @@ const Utils = imports.utils;
 
 const _PLACES_STORE_FILE = 'maps-places.json';
 const _ICON_SIZE = 20;
+const _ONE_DAY = 1000 * 60 * 60 * 24; // one day in ms
+const _STALE_THRESHOLD = 7; // mark the osm information as stale after a week
 
 const PlaceType = {
     ANY: -1,
@@ -223,6 +225,26 @@ const PlaceStore = new Lang.Class({
         return storedPlace;
     },
 
+    isStale: function(place) {
+        if (!this.exists(place, null))
+            return false;
+
+        let added = null;
+        this.foreach(function(model, path, iter) {
+            let p = model.get_value(iter, Columns.PLACE);
+
+            if (p.uniqueID === place.uniqueID) {
+                let p_type = model.get_value(iter, Columns.TYPE);
+                added = model.get_value(iter, Columns.ADDED);
+            }
+        });
+
+        let now = new Date().getTime();
+        let days = Math.abs(now - added) / _ONE_DAY;
+
+        return (days >= _STALE_THRESHOLD);
+    },
+
     exists: function(place, type) {
         if (type !== undefined && type !== null)
             return this._typeTable[place.uniqueID] === type;