[Admin panel] Add a parameter to display or not the visibility of a board in private mode only

models/tableVisibilityModeSettings.js

@@ -0,0 +1,73 @@
+TableVisibilityModeSettings = new Mongo.Collection('tableVisibilityModeSettings');
+
+TableVisibilityModeSettings.attachSchema(
+  new SimpleSchema({
+    _id: {
+      type: String,
+    },
+    booleanValue: {
+      type: Boolean,
+      optional: true,
+    },
+    sort: {
+      type: Number,
+      decimal: true,
+    },
+    createdAt: {
+      type: Date,
+      optional: true,
+      // eslint-disable-next-line consistent-return
+      autoValue() {
+        if (this.isInsert) {
+          return new Date();
+        } else if (this.isUpsert) {
+          return { $setOnInsert: new Date() };
+        } else {
+          this.unset();
+        }
+      },
+    },
+    modifiedAt: {
+      type: Date,
+      denyUpdate: false,
+      // eslint-disable-next-line consistent-return
+      autoValue() {
+        if (this.isInsert || this.isUpsert || this.isUpdate) {
+          return new Date();
+        } else {
+          this.unset();
+        }
+      },
+    },
+  }),
+);
+
+TableVisibilityModeSettings.allow({
+  update(userId) {
+    const user = Users.findOne(userId);
+    return user && user.isAdmin;
+  },
+});
+
+if (Meteor.isServer) {
+  Meteor.startup(() => {
+    TableVisibilityModeSettings._collection._ensureIndex({ modifiedAt: -1 });
+    TableVisibilityModeSettings.upsert(
+      { _id: 'tableVisibilityMode-allowPrivateOnly' },
+      {
+        $setOnInsert: {
+          booleanValue: false,
+          sort: 0,
+        },
+      },
+    );
+  });
+}
+
+TableVisibilityModeSettings.helpers({
+  allowPrivateOnly() {
+    return TableVisibilityModeSettings.findOne('tableVisibilityMode-allowPrivateOnly').booleanValue;
+  },
+});
+
+export default TableVisibilityModeSettings;