From e03c69ab8febc6093d092221724b3190a2da351d Mon Sep 17 00:00:00 2001
From: nztqa <nztqa@users.noreply.github.com>
Date: Wed, 28 Jun 2017 15:19:53 +0900
Subject: [PATCH 1/2] Fix: id generation

---
 models/checklists.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/models/checklists.js b/models/checklists.js
index 537aecb02..0ee62fa26 100644
--- a/models/checklists.js
+++ b/models/checklists.js
@@ -86,7 +86,13 @@ Checklists.mutations({
   //for items in checklist
   addItem(title) {
     const itemCount = this.itemCount();
-    const _id = `${this._id}${itemCount}`;
+    let idx = 0;
+    if (itemCount > 0) {
+      const lastId = this.items[itemCount - 1]._id;
+      const lastIdSuffix = lastId.substr(this._id.length);
+      idx = parseInt(lastIdSuffix, 10) + 1;
+    }
+    const _id = `${this._id}${idx}`;
     return { $addToSet: { items: { _id, title, isFinished: false } } };
   },
   removeItem(itemId) {

From f682de9690d0485586cf240009835611822cc69a Mon Sep 17 00:00:00 2001
From: Lauri Ojansivu <x@xet7.org>
Date: Wed, 28 Jun 2017 11:13:39 +0300
Subject: [PATCH 2/2] Fix duplicate id generation. Thanks to nztqa ! Closes
 #1090

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8602046b..1dc878216 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,8 @@ This release adds the following new features:
 and fixes the following bugs:
 
 * [Fix incorrect attachment link with subfolder in the url](https://github.com/wekan/wekan/pull/1086);
-* [Fix link to card](https://github.com/wekan/wekan/pull/1087).
+* [Fix link to card](https://github.com/wekan/wekan/pull/1087);
+* [Fix duplicate id generation](https://github.com/wekan/wekan/pull/1093).
 
 Thanks to GitHub users kubiko and nztqa for their contributions.