Added subtasks model and APIs for it

.eslintrc.json

@@ -134,6 +134,7 @@
     "Announcements": true,
     "Swimlanes": true,
     "ChecklistItems": true,
+    "Subtasks": true,
     "Npm": true
   }
 }

models/subtasks.js

@@ -0,0 +1,139 @@
+Subtasks = new Mongo.Collection('subtasks');
+
+Subtasks.attachSchema(new SimpleSchema({
+  title: {
+    type: String,
+  },
+  sort: {
+    type: Number,
+    decimal: true,
+  },
+  isFinished: {
+    type: Boolean,
+    defaultValue: false,
+  },
+  cardId: {
+    type: String,
+  },
+}));
+
+Subtasks.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'],
+});
+
+Subtasks.before.insert((userId, doc) => {
+  if (!doc.userId) {
+    doc.userId = userId;
+  }
+});
+
+// Mutations
+Subtasks.mutations({
+  setTitle(title) {
+    return { $set: { title } };
+  },
+  toggleItem() {
+    return { $set: { isFinished: !this.isFinished } };
+  },
+  move(sortIndex) {
+    const mutatedFields = {
+      sort: sortIndex,
+    };
+
+    return {$set: mutatedFields};
+  },
+});
+
+// Activities helper
+function itemCreation(userId, doc) {
+  const card = Cards.findOne(doc.cardId);
+  const boardId = card.boardId;
+  Activities.insert({
+    userId,
+    activityType: 'addSubtaskItem',
+    cardId: doc.cardId,
+    boardId,
+    subtaskItemId: doc._id,
+  });
+}
+
+function itemRemover(userId, doc) {
+  Activities.remove({
+    subtaskItemId: doc._id,
+  });
+}
+
+// Activities
+if (Meteor.isServer) {
+  Meteor.startup(() => {
+    Subtasks._collection._ensureIndex({ cardId: 1 });
+  });
+
+  Subtasks.after.insert((userId, doc) => {
+    itemCreation(userId, doc);
+  });
+
+  Subtasks.after.remove((userId, doc) => {
+    itemRemover(userId, doc);
+  });
+}
+
+// APIs
+if (Meteor.isServer) {
+  JsonRoutes.add('GET', '/api/boards/:boardId/cards/:cardId/subtasks/:itemId', function (req, res) {
+    Authentication.checkUserId( req.userId);
+    const paramItemId = req.params.itemId;
+    const subtaskItem = Subtasks.findOne({ _id: paramItemId });
+    if (subtaskItem) {
+      JsonRoutes.sendResult(res, {
+        code: 200,
+        data: subtaskItem,
+      });
+    } else {
+      JsonRoutes.sendResult(res, {
+        code: 500,
+      });
+    }
+  });
+
+  JsonRoutes.add('PUT', '/api/boards/:boardId/cards/:cardId/subtasks/:itemId', function (req, res) {
+    Authentication.checkUserId( req.userId);
+
+    const paramItemId = req.params.itemId;
+
+    if (req.body.hasOwnProperty('isFinished')) {
+      Subtasks.direct.update({_id: paramItemId}, {$set: {isFinished: req.body.isFinished}});
+    }
+    if (req.body.hasOwnProperty('title')) {
+      Subtasks.direct.update({_id: paramItemId}, {$set: {title: req.body.title}});
+    }
+
+    JsonRoutes.sendResult(res, {
+      code: 200,
+      data: {
+        _id: paramItemId,
+      },
+    });
+  });
+
+  JsonRoutes.add('DELETE', '/api/boards/:boardId/cards/:cardId/subtasks/:itemId', function (req, res) {
+    Authentication.checkUserId( req.userId);
+    const paramItemId = req.params.itemId;
+    Subtasks.direct.remove({ _id: paramItemId });
+    JsonRoutes.sendResult(res, {
+      code: 200,
+      data: {
+        _id: paramItemId,
+      },
+    });
+  });
+}