Add checklist feature

models/checklists.js

@@ -0,0 +1,164 @@
+Checklists = new Mongo.Collection('checklists');
+
+Checklists.attachSchema(new SimpleSchema({
+  cardId: {
+    type: String,
+  },
+  title: {
+    type: String,
+  },
+  items: {
+    type: [Object],
+    defaultValue: [],
+  },
+  'items.$._id': {
+    type: String,
+  },
+  'items.$.title': {
+    type: String,
+  },
+  'items.$.isFinished': {
+    type: Boolean,
+    defaultValue: false,
+  },
+  finishedAt: {
+    type: Date,
+    optional: true,
+  },
+  createdAt: {
+    type: Date,
+    denyUpdate: false,
+  },
+}));
+
+Checklists.helpers({
+  itemCount () {
+    return this.items.length;
+  },
+  finishedCount () {
+    return this.items.filter((item) => {
+      return item.isFinished;
+    }).length;
+  },
+  isFinished () {
+    return 0 !== this.itemCount() && this.itemCount() === this.finishedCount();
+  },
+  getItem (_id) {
+    return _.findWhere(this.items, { _id });
+  },
+  itemIndex(itemId) {
+    return _.pluck(this.items, '_id').indexOf(itemId);
+  },
+});
+
+Checklists.allow({
+  insert(userId, doc) {
+    return allowIsBoardMemberByCard(userId, Cards.findOne(doc.cardId));
+  },
+  update(userId, doc) {
+    return allowIsBoardMemberByCard(userId, Cards.findOne(doc.cardId));
+  },
+  remove(userId, doc) {
+    return allowIsBoardMemberByCard(userId, Cards.findOne(doc.cardId));
+  },
+  fetch: ['userId', 'cardId'],
+});
+
+Checklists.before.insert((userId, doc) => {
+  doc.createdAt = new Date();
+  if (!doc.userId) {
+    doc.userId = userId;
+  }
+});
+
+Checklists.mutations({
+  //for checklist itself
+  setTitle(title){
+    return { $set: { title }};
+  },
+  //for items in checklist
+  addItem(title) {
+    const itemCount = this.itemCount();
+    const _id = `${this._id}${itemCount}`;
+    return { $addToSet: {items: {_id, title, isFinished: false}} };
+  },
+  removeItem(itemId) {
+    return {$pull: {items: {_id : itemId}}};
+  },
+  editItem(itemId, title) {
+    if (this.getItem(itemId)) {
+      const itemIndex = this.itemIndex(itemId);
+      return {
+        $set: {
+          [`items.${itemIndex}.title`]: title,
+        },
+      };
+    }
+    return {};
+  },
+  finishItem(itemId) {
+    if (this.getItem(itemId)) {
+      const itemIndex = this.itemIndex(itemId);
+      return {
+        $set: {
+          [`items.${itemIndex}.isFinished`]: true,
+        },
+      };
+    }
+    return {};
+  },
+  resumeItem(itemId) {
+    if (this.getItem(itemId)) {
+      const itemIndex = this.itemIndex(itemId);
+      return {
+        $set: {
+          [`items.${itemIndex}.isFinished`]: false,
+        },
+      };
+    }
+    return {};
+  },
+  toggleItem(itemId) {
+    const item = this.getItem(itemId);
+    if (item) {
+      const itemIndex = this.itemIndex(itemId);
+      return {
+        $set: {
+          [`items.${itemIndex}.isFinished`]: !item.isFinished,
+        },
+      };
+    }
+    return {};
+  },
+});
+
+if (Meteor.isServer) {
+  Checklists.after.insert((userId, doc) => {
+    Activities.insert({
+      userId,
+      activityType: 'addChecklist',
+      cardId: doc.cardId,
+      boardId: Cards.findOne(doc.cardId).boardId,
+      checklistId: doc._id,
+    });
+  });
+
+  //TODO: so there will be no activity for adding item into checklist, maybe will be implemented in the future.
+  // Checklists.after.update((userId, doc) => {
+  //   console.log('update:', doc)
+    // Activities.insert({
+    //   userId,
+    //   activityType: 'addChecklist',
+    //   boardId: doc.boardId,
+    //   cardId: doc.cardId,
+    //   checklistId: doc._id,
+    // });
+  // });
+
+  Checklists.before.remove((userId, doc) => {
+    const activity = Activities.findOne({ checklistId: doc._id });
+    if (activity) {
+      Activities.remove(activity._id);
+    }
+  });
+}