WIP(teams): draft of server literal-actual-cron script

scripts/team-cron.js

@@ -0,0 +1,80 @@
+import forEach from 'lodash/forEach';
+import { model as Group } from '../website/server/models/group';
+import { model as User } from '../website/server/models/user';
+import * as Tasks from '../website/server/models/task';
+import { daysSince, shouldDo } from '../website/common/script/cron';
+
+const TASK_VALUE_CHANGE_FACTOR = 0.9747;
+const MIN_TASK_VALUE = -47.27;
+
+async function updateTeamTasks (team) {
+  const toSave = [];
+  const teamLeader = await User.findOne({ _id: team.leader }, 'preferences').exec();
+
+  if (
+    !team.cron || !team.cron.lastProcessed
+    || daysSince(team.cron.lastProcessed, teamLeader.preferences) > 0
+  ) {
+    const tasks = await Tasks.Task.find({
+      'group.id': team._id,
+      'group.assignedUsers': [],
+      userId: { $exists: false },
+      $or: [
+        { type: 'todo', completed: false },
+        { type: { $in: ['habit', 'daily'] } },
+      ],
+    }).exec();
+
+    const tasksByType = {
+      habits: [], dailys: [], todos: [], rewards: [],
+    };
+    forEach(tasks, task => tasksByType[`${task.type}s`].push(task));
+
+    forEach(tasksByType.habits, habit => {
+      if (!(habit.up && habit.down) && habit.value !== 0) {
+        habit.value *= 0.5;
+        if (Math.abs(habit.value) < 0.1) habit.value = 0;
+        toSave.push(habit.save());
+      }
+    });
+    forEach(tasksByType.todos, todo => {
+      if (!todo.completed) {
+        const delta = TASK_VALUE_CHANGE_FACTOR ** todo.value;
+        todo.value -= delta;
+        if (todo.value < MIN_TASK_VALUE) todo.value = MIN_TASK_VALUE;
+        toSave.push(todo.save());
+      }
+    });
+    forEach(tasksByType.dailys, daily => {
+      if (daily.completed) {
+        daily.completed = false;
+      } else if (shouldDo(team.cron.lastProcessed, daily, teamLeader.preferences)) {
+        const delta = TASK_VALUE_CHANGE_FACTOR ** daily.value;
+        daily.value -= delta;
+        if (daily.value < MIN_TASK_VALUE) daily.value = MIN_TASK_VALUE;
+      }
+      daily.isDue = shouldDo(new Date(), daily, teamLeader.preferences);
+      if (daily.isModified()) toSave.push(daily.save());
+    });
+
+    if (!team.cron) team.cron = {};
+    team.cron.lastProcessed = new Date();
+    toSave.push(team.save());
+  }
+
+  return Promise.all(toSave);
+}
+
+export default async function processTeamsCron () {
+  const activeTeams = await Group.find({
+    'purchased.plan.customerId': { $exists: true },
+    $or: [
+      { 'purchased.plan.dateTerminated': { $exists: false } },
+      { 'purchased.plan.dateTerminated': null },
+      { 'purchased.plan.dateTerminated': { $gt: new Date() } },
+    ],
+  }).exec();
+
+  const cronPromises = activeTeams.map(updateTeamTasks);
+  return Promise.all(cronPromises);
+}