Task page : task filters (#9898)

* add tasklist getter

* add unit test + refactor for getters

* add task order sorting + update unit tests

* remove direct access to store.state.tasks

* add tag and search filter back to column.vue + unit tests

* add unit test for task order setting function

* add task filters to helper file + modify taskColumn state access to getter

* update column to get values at runtime. TODO set active filter at runtime

* add TaskColumn init state + daily-due-default

* add check for task type daily before set/reset dailyDueView

* remove unused sortBy import in column.vue

* remove unused sortBy

* pr review requested updates

* pr review clean up updates

website/client/libs/store/helpers/orderTasks.js

@@ -0,0 +1,31 @@
+import compact from 'lodash/compact';
+
+// sets task order for single task type only.
+// Accepts task list and corresponding taskorder for its task type.
+export function orderSingleTypeTasks (rawTasks, taskOrder) {
+  // if there is no predefined task order return task list as is.
+  if (!taskOrder) return rawTasks;
+  const orderedTasks = new Array(rawTasks.length);
+  const unorderedTasks = []; // What we want to add later
+
+  rawTasks.forEach((task, index) => {
+    const taskId = task._id;
+    const i = taskOrder[index] === taskId ? index : taskOrder.indexOf(taskId);
+    if (i === -1) {
+      unorderedTasks.push(task);
+    } else {
+      orderedTasks[i] = task;
+    }
+  });
+
+  return compact(orderedTasks).concat(unorderedTasks);
+}
+
+export function orderMultipleTypeTasks (rawTasks, tasksOrder) {
+  return {
+    habits: orderSingleTypeTasks(rawTasks.habits, tasksOrder.habits),
+    dailys: orderSingleTypeTasks(rawTasks.dailys, tasksOrder.dailys),
+    todos: orderSingleTypeTasks(rawTasks.todos, tasksOrder.todos),
+    rewards: orderSingleTypeTasks(rawTasks.rewards, tasksOrder.rewards),
+  };
+}