SEARCH-154 - get latest messages timestamp

demo/search.html

@@ -172,6 +172,7 @@
 
     merge.addEventListener('click', function () {
         search.mergeIndexBatches();
+        search.getLatestMessageTimestamp();
     })
 </script>
 </html>

js/search/search.js

@@ -232,6 +232,24 @@ class Search {
         });
     }
 
+    getLatestMessageTimestamp() {
+        let self = this;
+        return new Promise(function (resolve, reject) {
+            libSymphonySearch.symSEGetLastMessageTimestampAsync(self.indexFolderName, function (err, res) {
+                if (err) {
+                    reject(new Error(err));
+                }
+                const returnedResult = res;
+                try {
+                    let ret = returnedResult.readCString();
+                    resolve(ret);
+                } finally {
+                    libSymphonySearch.symSEFreeResult(returnedResult);
+                }
+            })
+        })
+    }
+
     /**
      * This the query constructor
      * for the query search function

js/search/searchLibrary.js

@@ -48,7 +48,10 @@ let libSymphonySearch = ffi.Library(libraryPath, {
     //Index commit/optimize
     'symSE_commit_index': ['int', [symLucyIndexerPtr, 'int']], //will be removed
     //freePointer
-    'symSE_free_results': ['int', ['char *']]
+    'symSE_free_results': ['int', ['char *']],
+
+    //Latest messages timestamp
+    'symSE_get_last_message_timestamp': ['char *', ['string']]
 });
 
 module.exports = {
@@ -66,6 +69,7 @@ module.exports = {
     symSEDeleteMessages: libSymphonySearch.symSE_delete_messages,
     symSECommitIndex: libSymphonySearch.symSE_commit_index,
     symSEFreeResult: libSymphonySearch.symSE_free_results,
+    symSEGetLastMessageTimestamp: libSymphonySearch.symSE_get_last_message_timestamp,
     symSEInitAsync: libSymphonySearch.symSE_init.async,
     symSERemoveFolderAsync: libSymphonySearch.symSE_remove_folder.async,
     symSEEnsureIndexExistsAsync: libSymphonySearch.symSE_ensure_index_exists.async,
@@ -79,5 +83,6 @@ module.exports = {
     symSESearchAsync: libSymphonySearch.symSE_search.async,
     symSEDeleteMessagesAsync: libSymphonySearch.symSE_delete_messages.async,
     symSECommitIndexAsync: libSymphonySearch.symSE_commit_index.async,
-    symSEFreeResultAsync: libSymphonySearch.symSE_free_results.async
+    symSEFreeResultAsync: libSymphonySearch.symSE_free_results.async,
+    symSEGetLastMessageTimestampAsync: libSymphonySearch.symSE_get_last_message_timestamp.async
 };