From 1f4ad19645acaf02435324239bd8e33fe833c6e5 Mon Sep 17 00:00:00 2001
From: Mike McGann <mike.mcgann@nasa.gov>
Date: Mon, 3 Mar 2014 16:09:02 -0500
Subject: [PATCH] WV-784: Image download now only includes layers that are
 available for the selected date

---
 src/js/image/wv.image.panel.js   |  3 ++-
 src/js/layers/wv.layers.model.js | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/js/image/wv.image.panel.js b/src/js/image/wv.image.panel.js
index 2fc2a8a65e..9f7c61a297 100644
--- a/src/js/image/wv.image.panel.js
+++ b/src/js/image/wv.image.panel.js
@@ -75,7 +75,8 @@ wv.image.panel = wv.image.panel || function(models, ui, config) {
             var s = models.proj.selected.id;
             var products = models.layers.get({
                 visibleOnly: true,
-                reverse: true
+                reverse: true,
+                availableOnly: true
             });
             // NOTE: This need to be changed back to the projection model
             // when the backfill removes the old projection.
diff --git a/src/js/layers/wv.layers.model.js b/src/js/layers/wv.layers.model.js
index fcc7392377..5678cdbaed 100644
--- a/src/js/layers/wv.layers.model.js
+++ b/src/js/layers/wv.layers.model.js
@@ -78,6 +78,9 @@ wv.layers.model = wv.layers.model || function(models, config) {
             if ( spec.visibleOnly && !self.visible[layer.id] ) {
                 return;
             }
+            if ( spec.availableOnly && !self.available(layer.id) ) {
+                return;
+            }
             results.push(layer);
         });
         if ( spec.reverse ) {
@@ -93,6 +96,26 @@ wv.layers.model = wv.layers.model || function(models, config) {
         return baselayers.concat(overlays);
     };
 
+    self.available = function(layerId) {
+        var layer = config.layers[layerId];
+        if ( layer.period !== "daily" ) {
+            return true;
+        }
+        if ( layer.startDate ) {
+            var start = wv.util.parseDateUTC(layer.startDate);
+            if ( models.date.selected < start ) {
+                return false;
+            }
+        }
+        if ( layer.endDate ) {
+            var end = wv.util.parseDateUTC(layer.endDate);
+            if ( models.date.selected > end ) {
+                return false;
+            }
+        }
+        return true;
+    };
+
     self.dateRange = function(proj) {
         proj = proj || models.proj.selected.id;
         if ( config.parameters && config.parameters.debugGIBS ) {