Added model

server/models/listened.model.js

@@ -0,0 +1,75 @@
+import Promise from 'bluebird';
+import mongoose from 'mongoose';
+import httpStatus from 'http-status';
+import APIError from '../helpers/APIError';
+
+/**
+ * Listened Schema
+ * @property {String} userId - The id of the user.
+ * @property {ObjectId} postId - The id of the post.
+ */
+const ListenedSchema = new mongoose.Schema(
+  {
+    userId: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
+    postId: { type: mongoose.Schema.Types.ObjectId, ref: 'Post' },
+  },
+  {
+    timestamps: true
+  }
+);
+
+/**
+ * Add your
+ * - pre-save hooks
+ * - validations
+ * - virtuals
+ */
+
+/**
+ * Methods
+ */
+ListenedSchema.method({
+});
+
+/**
+ * Statics
+ */
+ListenedSchema.statics = {
+  /**
+   * Get listened post.
+   * @param {ObjectId} id - The objectId of listened.
+   * @param {ObjectId} userId - The user ID.
+   * @returns {Promise<ListenedSchema, APIError>}
+   */
+  get(id, userId) {
+    return this.findOne({ _id: id, userId })
+      .exec()
+      .then((listened) => {
+        if (listened) {
+          return listened;
+        }
+        const err = new APIError('No such item exists!', httpStatus.NOT_FOUND);
+        return Promise.reject(err);
+      });
+  },
+
+  /**
+   * List listened items in descending order of 'createdAt' timestamp.
+   * @param {number} skip - Number of favorites to be skipped.
+   * @param {number} limit - Limit number of favorites to be returned.
+   * @param {number} userId - The user ID.
+   * @returns {Promise<ListenedSchema[]>}
+   */
+  list({ skip = 0, limit = 50 } = {}, userId) {
+    return this.find({ userId })
+      .sort({ createdAt: -1 })
+      .skip(+skip)
+      .limit(+limit)
+      .exec();
+  }
+};
+
+/**
+ * @typedef ListenedSchema
+ */
+export default mongoose.model('Favorite', ListenedSchema);