feat(core): simple active tasks implementation

packages/node_modules/pouchdb-core/src/setup.js

@@ -1,6 +1,7 @@
 'use strict';
 
 import PouchDB from './constructor';
+import { v4 as uuidv4 } from 'uuid';
 import EE from 'events';
 import { fetch } from 'pouchdb-fetch';
 import { createClass } from './utils';
@@ -121,4 +122,60 @@ PouchDB.fetch = function (url, opts) {
   return fetch(url, opts);
 };
 
+function ActiveTasks() {
+  this.tasks = [];
+}
+
+ActiveTasks.prototype.list = function () {
+  return this.tasks;
+};
+
+ActiveTasks.prototype.add = function (task) {
+  var newTask = {
+    name: task.name,
+    total_items: task.total_items,
+    id: uuidv4(),
+    createdAt: new Date().toJSON()
+  };
+  this.tasks.push(newTask);
+  return newTask.id;
+};
+
+ActiveTasks.prototype.get = function (id) {
+  var index = this.tasks.findIndex(function (task) {
+    return task.id === id;
+  });
+  return this.tasks[index];
+};
+
+ActiveTasks.prototype.remove = function (id) {
+  var index = this.tasks.findIndex(function (task) {
+    return task.id === id;
+  });
+  if (index !== -1) {
+    this.tasks.splice(index, 1);
+  }
+  return this.tasks;
+};
+
+ActiveTasks.prototype.update = function (id, updatedTask) {
+  var index = this.tasks.findIndex(function (task) {
+    return task.id === id;
+  });
+  if (index !== -1) {
+    var mergedTask = {
+      id: this.tasks[index].id,
+      name: this.tasks[index].name,
+      createdAt: this.tasks[index].createdAt,
+      total_items: updatedTask.total_items || this.tasks[index].total_items,
+      completed_items: updatedTask.completed_items || this.tasks[index].completed_items,
+      updatedAt: new Date().toJSON()
+    };
+    this.tasks.splice(index, 1, mergedTask);
+  }
+  return this.tasks;
+};
+
+PouchDB.activeTasks = new ActiveTasks();
+
 export default PouchDB;

tests/integration/test.active_tasks.js

@@ -0,0 +1,64 @@
+'use strict';
+
+describe('test.active_tasks.js', function () {
+
+  afterEach(function (done) {
+    PouchDB.activeTasks.tasks = []
+    return done();
+  });
+
+  it('Can add a task', function () {
+    const task1 = {name: 'lol', total_items: 12}
+    const id1 = PouchDB.activeTasks.add(task1)
+    id1.should.be.a('string')
+  });
+
+  it('Can get tasks by id', function () {
+    const task2 = {name: 'wat', total_items: 546}
+    const id2 = PouchDB.activeTasks.add(task2)
+    const got2 = PouchDB.activeTasks.get(id2)
+    got2['id'].should.equal(id2)
+  });
+
+  it('Can get all tasks', function () {
+    const task1 = {name: 'lol', total_items: 12}
+    const task2 = {name: 'wat', total_items: 546}
+    const id1 = PouchDB.activeTasks.add(task1)
+    const id2 = PouchDB.activeTasks.add(task2)
+    PouchDB.activeTasks.update(id1, {"completed_items": 2})
+    PouchDB.activeTasks.update(id2, {"completed_items": 213})
+    const list = PouchDB.activeTasks.list()
+    const got2 = PouchDB.activeTasks.get(id2)
+    list.length.should.equal(2)
+    list[0]['id'].should.equal(id1)
+    list[1]['id'].should.equal(id2)
+  });
+
+  it('Can update a task', function () {
+    const task1 = {name: 'lol', total_items: 12}
+    const task2 = {name: 'wat', total_items: 546}
+    const id1 = PouchDB.activeTasks.add(task1)
+    const id2 = PouchDB.activeTasks.add(task2)
+    PouchDB.activeTasks.update(id1, {"completed_items": 2})
+    PouchDB.activeTasks.update(id2, {"completed_items": 213})
+    const got1 = PouchDB.activeTasks.get(id1)
+    const got2 = PouchDB.activeTasks.get(id2)
+    got1['completed_items'].should.equal(2)
+    got2['completed_items'].should.equal(213)
+    got2['updatedAt'].should.be.a('string')
+  });
+
+  it('Can remove a task', function () {
+    const task1 = {name: 'lol', total_items: 12}
+    const task2 = {name: 'wat', total_items: 546}
+    const id1 = PouchDB.activeTasks.add(task1)
+    const id2 = PouchDB.activeTasks.add(task2)
+    PouchDB.activeTasks.update(id1, {"completed_items": 2})
+    PouchDB.activeTasks.update(id2, {"completed_items": 213})
+    PouchDB.activeTasks.remove(id1)
+    const got2 = PouchDB.activeTasks.get(id2)
+    PouchDB.activeTasks.tasks.length.should.equal(1)
+    got2['id'].should.equal(id2)
+  });
+
+});