2 files changed, 34 insertions, 0 deletions
diff --git a/common/src/leap/soledad/common/ddocs/syncs/updates/put.js b/common/src/leap/soledad/common/ddocs/syncs/updates/put.js
new file mode 100644
index 00000000..722f695a
--- /dev/null
+++ b/common/src/leap/soledad/common/ddocs/syncs/updates/put.js
@@ -0,0 +1,22 @@
+function(doc, req){
+    if (!doc) {
+        doc = {}
+        doc['_id'] = 'u1db_sync_log';
+        doc['syncs'] = [];
+    }
+    body = JSON.parse(req.body);
+    // remove outdated info
+    doc['syncs'] = doc['syncs'].filter(
+        function (entry) {
+            return entry[0] != body['other_replica_uid'];
+        }
+    );
+    // store u1db rev
+    doc['syncs'].push([
+        body['other_replica_uid'],
+        body['other_generation'],
+        body['other_transaction_id']
+    ]);
+    return [doc, 'ok'];
+}
+
diff --git a/common/src/leap/soledad/common/ddocs/syncs/views/log/map.js b/common/src/leap/soledad/common/ddocs/syncs/views/log/map.js
new file mode 100644
index 00000000..a63c7cf4
--- /dev/null
+++ b/common/src/leap/soledad/common/ddocs/syncs/views/log/map.js
@@ -0,0 +1,12 @@
+function(doc) {
+    if (doc._id == 'u1db_sync_log') {
+        if (doc.syncs)
+            doc.syncs.forEach(function (entry) {
+                emit(entry[0],
+                    {
+                        'known_generation': entry[1],
+                        'known_transaction_id': entry[2]
+                    });
+            });
+    }
+}