From 9f565d2d1db99682a9056d075666e79eebde5fdf Mon Sep 17 00:00:00 2001
From: Andy Gup <agup2001@msn.com>
Date: Wed, 18 Feb 2015 11:52:28 -0700
Subject: [PATCH] update existing edit + unit test

---
 lib/edit/editsStore.js       | 41 ++++++++++++++++++++++++++++++++++++
 test/spec/editsStoreSpec2.js | 11 ++++++++++
 2 files changed, 52 insertions(+)

diff --git a/lib/edit/editsStore.js b/lib/edit/editsStore.js
index 9a500a2..046dc57 100644
--- a/lib/edit/editsStore.js
+++ b/lib/edit/editsStore.js
@@ -68,6 +68,47 @@ O.esri.Edit.EditStore = function()
         }
     };
 
+    /**
+     * Update an edit already exists in the database
+     * @param operation add, update or delete
+     * @param layer the URL of the feature layer
+     * @param graphic esri/graphic. The method will serialize to JSON
+     * @param callback {true, edit} or {false, error}
+     */
+    this.updateExistingEdit = function(operation,layer,graphic, callback){
+
+        console.assert(this._db !== null, "indexeddb not initialized");
+
+        var objectStore = this._db.transaction([objectStoreName],"readwrite").objectStore(objectStoreName);
+
+        //Let's get the entry associated with the graphic
+        var objectStoreGraphicRequest = objectStore.get(graphic.attributes.objectid);
+        objectStoreGraphicRequest.onsuccess = function() {
+
+            //Grab the data object returned as a result
+            var data = objectStoreGraphicRequest.result;
+
+            //Create a new update object
+            var update = {
+                id: graphic.attributes.objectid,
+                operation: operation,
+                layer: layer,
+                graphic: graphic.toJson()
+            };
+
+            // Insert the update into the database
+            var updateGraphicRequest = objectStore.put(update);
+
+            updateGraphicRequest.onsuccess = function(){
+                callback(true);
+            }
+
+            updateGraphicRequest.onerror = function(err){
+                callback(false,err);
+            };
+        }
+    };
+
     this.resetEditsQueue = function(callback)
     {
         console.assert(this._db !== null, "indexeddb not initialized");
diff --git a/test/spec/editsStoreSpec2.js b/test/spec/editsStoreSpec2.js
index 4bdc0ca..9052f29 100644
--- a/test/spec/editsStoreSpec2.js
+++ b/test/spec/editsStoreSpec2.js
@@ -266,6 +266,17 @@ describe("Public Interface", function()
                 });
             });
 
+            async.it("update existing edit in the queue", function(done)
+            {
+                require(["esri/graphic"],function(Graphic){
+                    g_test.lineFeature = new Graphic( g_test.line, g_test.lineSymbol, {"nombre": "America","objectid":5});
+                    g_editsStore.updateExistingEdit(g_editsStore.DELETE,2, g_test.lineFeature, function(result){
+                        expect(result).toEqual(true);
+                        done();
+                    });
+                });
+            });
+
 //            it("pending edits", function()
 //            {
 //                expect(g_editsStore.hasPendingEdits()).toBeTruthy();