From ee938c04232ab9ac42195a35d38cb7ae11b14d48 Mon Sep 17 00:00:00 2001
From: Ghassen Rjab <rjab.ghassen@gmail.com>
Date: Thu, 31 Aug 2017 06:58:02 +0100
Subject: [PATCH 1/3] Delete activity related to checklist item when the item
 is deleted

---
 models/checklists.js | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/models/checklists.js b/models/checklists.js
index ab4fe61d8..596827206 100644
--- a/models/checklists.js
+++ b/models/checklists.js
@@ -164,14 +164,23 @@ if (Meteor.isServer) {
   // The future is now
   Checklists.after.update((userId, doc, fieldNames, modifier) => {
     if (fieldNames.includes('items')) {
-      Activities.insert({
-        userId,
-        activityType: 'addChecklistItem',
-        cardId: doc.cardId,
-        boardId: Cards.findOne(doc.cardId).boardId,
-        checklistId: doc._id,
-        checklistItemId: modifier.$addToSet.items._id,
-      });
+      if (modifier.$addToSet) {
+        Activities.insert({
+          userId,
+          activityType: 'addChecklistItem',
+          cardId: doc.cardId,
+          boardId: Cards.findOne(doc.cardId).boardId,
+          checklistId: doc._id,
+          checklistItemId: modifier.$addToSet.items._id,
+        });
+      } else if (modifier.$pull) {
+        const activity = Activities.findOne({
+          checklistItemId: modifier.$pull.items._id,
+        });
+        if (activity) {
+          Activities.remove(activity._id);
+        }
+      }
     }
   });
 

From a579125a1faa2ecbf3b7be535ac2ee1a2d3c5bca Mon Sep 17 00:00:00 2001
From: Ghassen Rjab <rjab.ghassen@gmail.com>
Date: Thu, 31 Aug 2017 06:58:32 +0100
Subject: [PATCH 2/3] Delete all activities related to a checklist when it is
 deleted

---
 models/checklists.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/models/checklists.js b/models/checklists.js
index 596827206..2521412f0 100644
--- a/models/checklists.js
+++ b/models/checklists.js
@@ -185,9 +185,11 @@ if (Meteor.isServer) {
   });
 
   Checklists.before.remove((userId, doc) => {
-    const activity = Activities.findOne({ checklistId: doc._id });
-    if (activity) {
-      Activities.remove(activity._id);
+    const activities = Activities.find({ checklistId: doc._id });
+    if (activities) {
+      activities.forEach((activity) => {
+        Activities.remove(activity._id);
+      });
     }
   });
 }

From 8d37a0418aaf2987c2d2bb22f2062ed7cbe9aaef Mon Sep 17 00:00:00 2001
From: Lauri Ojansivu <x@xet7.org>
Date: Fri, 1 Sep 2017 22:04:56 +0300
Subject: [PATCH 3/3] Fix errors caused by checklist items activities. Thanks
 to GhassenRjab and nztqa ! Closes #1198

---
 CHANGELOG.md | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c2896a44..b63c0a131 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,17 @@
+# Upcoming Wekan release
+
+This release fixes the following bugs:
+
+* [Fix errors caused by checklist items activities](https://github.com/wekan/wekan/pull/1200).
+
+Thanks to GitHub users GhassenRjab and nztqa for contributions.
+
 # v0.34 2017-08-30 Wekan release
 
 This release adds the following new features:
 
-* [Import Trello and Wekan board times of creation of activities](https://github.com/wekan/wekan/pull/1187).
+* [Import Trello and Wekan board times of creation of activities](https://github.com/wekan/wekan/pull/1187);
+* Newest Wekan is available at Sandstorm App Market.
 
 Known issues: