At opened card, toggle to show checklist at minicard. Part 1.

Thanks to xet7 !

models/checklists.js

@@ -27,6 +27,14 @@ Checklists.attachSchema(
       type: Date,
       optional: true,
     },
+    showAtMinicard: {
+      /**
+       * Show at minicard. Default: false.
+       */
+      type: Boolean,
+      optional: true,
+      defaultValue: false,
+    },
     createdAt: {
       /**
        * Creation date of the checklist
@@ -134,6 +142,9 @@ Checklists.helpers({
     const items = ReactiveCache.getChecklist({ _id: this._id }).items;
     return _.pluck(items, '_id').indexOf(itemId);
   },
+  hasShowChecklistAtMinicard() {
+    return showAtMinicard || false;
+  },
 });
 
 Checklists.allow({
@@ -191,6 +202,15 @@ Checklists.mutations({
       },
     };
   },
+
+  toggleShowChecklistAtMinicard() {
+    const value = this.hasShowChecklistAtMinicard();
+    return {
+      $set: {
+        'showAtMinicard': !value,
+      },
+    };
+  },
 });
 
 if (Meteor.isServer) {