Delete from sync cache when deleting object

chrome/content/zotero/xpcom/data/dataObject.js

@@ -1154,7 +1154,7 @@ Zotero.DataObject.prototype.erase = Zotero.Promise.coroutine(function* (options)
 		Zotero.DB.requireTransaction();
 		Zotero.DataObject.prototype._initErase.call(this, env);
 		yield this._eraseData(env);
-		Zotero.DataObject.prototype._finalizeErase.call(this, env);
+		yield Zotero.DataObject.prototype._finalizeErase.call(this, env);
 	}
 });
 
@@ -1176,7 +1176,10 @@ Zotero.DataObject.prototype._initErase = function (env) {
 	}
 };
 
-Zotero.DataObject.prototype._finalizeErase = function (env) {
+Zotero.DataObject.prototype._finalizeErase = Zotero.Promise.coroutine(function* (env) {
+	// Delete versions from sync cache
+	yield Zotero.Sync.Data.Local.deleteCacheObject(this.objectType, this._libraryID, this._key);
+	
 	Zotero.DB.addCurrentCallback("commit", function () {
 		this.ObjectsClass.unload(env.deletedObjectIDs || this.id);
 	}.bind(this));
@@ -1189,7 +1192,7 @@ Zotero.DataObject.prototype._finalizeErase = function (env) {
 			env.notifierData
 		);
 	}
-}
+});
 
 
 Zotero.DataObject.prototype.toResponseJSON = Zotero.Promise.coroutine(function* (options) {

chrome/content/zotero/xpcom/sync/syncLocal.js

@@ -492,6 +492,14 @@ Zotero.Sync.Data.Local = {
 	}),
 	
 	
+	deleteCacheObject: function (objectType, libraryID, key) {
+		var sql = "DELETE FROM syncCache WHERE libraryID=? AND key=? "
+			+ "AND syncObjectTypeID IN (SELECT syncObjectTypeID FROM "
+			+ "syncObjectTypes WHERE name=?)";;
+		return Zotero.DB.queryAsync(sql, [libraryID, key, objectType]);
+	},
+	
+	
 	resolveConflicts: function (conflicts) {
 		var io = {
 			dataIn: {

test/tests/dataObjectTest.js

@@ -295,6 +295,21 @@ describe("Zotero.DataObject", function() {
 				Zotero.Notifier.unregisterObserver(id);
 			}
 		})
+		
+		it("should delete object versions from sync cache", function* () {
+			for (let type of types) {
+				let obj = yield createDataObject(type);
+				let libraryID = obj.libraryID;
+				let key = obj.key;
+				let json = yield obj.toJSON();
+				yield Zotero.Sync.Data.Local.saveCacheObjects(type, libraryID, [json]);
+				yield obj.eraseTx();
+				let versions = yield Zotero.Sync.Data.Local.getCacheObjectVersions(
+					type, libraryID, key
+				);
+				assert.lengthOf(versions, 0);
+			}
+		})
 	})
 	
 	describe("#updateVersion()", function() {

test/tests/syncLocalTest.js

@@ -204,7 +204,7 @@ describe("Zotero.Sync.Data.Local", function() {
 			var type = 'item';
 			var objectsClass = Zotero.DataObjectUtilities.getObjectsClassForObjectType(type);
 			
-			// Create object in cache
+			// Create object, generate JSON, and delete
 			var obj = yield createDataObject(type, { version: 10 });
 			var jsonData = yield obj.toJSON();
 			var key = jsonData.key = obj.key;
@@ -214,16 +214,14 @@ describe("Zotero.Sync.Data.Local", function() {
 				version: jsonData.version,
 				data: jsonData
 			};
-			yield Zotero.Sync.Data.Local.saveCacheObjects(type, libraryID, [json]);
+			// Delete object locally
+			yield obj.eraseTx();
 			
 			// Create new version in cache, simulating a download
 			json.version = jsonData.version = 15;
 			jsonData.title = Zotero.Utilities.randomString();
 			yield Zotero.Sync.Data.Local.saveCacheObjects(type, libraryID, [json]);
 			
-			// Delete object locally
-			yield obj.eraseTx();
-			
 			waitForWindow('chrome://zotero/content/merge.xul', function (dialog) {
 				var doc = dialog.document;
 				var wizard = doc.documentElement;
@@ -243,13 +241,13 @@ describe("Zotero.Sync.Data.Local", function() {
 			assert.isFalse(obj);
 		})
 		
-		it("should handle restore locally deleted item", function* () {
+		it("should restore locally deleted item", function* () {
 			var libraryID = Zotero.Libraries.userLibraryID;
 			
 			var type = 'item';
 			var objectsClass = Zotero.DataObjectUtilities.getObjectsClassForObjectType(type);
 			
-			// Create object in cache
+			// Create object, generate JSON, and delete
 			var obj = yield createDataObject(type, { version: 10 });
 			var jsonData = yield obj.toJSON();
 			var key = jsonData.key = obj.key;
@@ -259,16 +257,13 @@ describe("Zotero.Sync.Data.Local", function() {
 				version: jsonData.version,
 				data: jsonData
 			};
-			yield Zotero.Sync.Data.Local.saveCacheObjects(type, libraryID, [json]);
+			yield obj.eraseTx();
 			
 			// Create new version in cache, simulating a download
 			json.version = jsonData.version = 15;
 			jsonData.title = Zotero.Utilities.randomString();
 			yield Zotero.Sync.Data.Local.saveCacheObjects(type, libraryID, [json]);
 			
-			// Delete object locally
-			yield obj.eraseTx();
-			
 			waitForWindow('chrome://zotero/content/merge.xul', function (dialog) {
 				var doc = dialog.document;
 				var wizard = doc.documentElement;