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API Reference

The API is RESTful and very simple, there are two main entities that can be referenced event(s) and feedback The standard REST verbs and conventions apply



Other routes:

Swagger / OpenAPI

Swagger is generated dynamically by the Node implementation, using express-swagger-generator The data API server will expose this out using Swagger UI, just use /api-docs as the URL, e.g. http://localhost:4000/api-docs/

For a static “dump” of the Swagger v2 file click here

Data Model

There are two main models, one for holding an Event and one for submitted Feedback, there are also Topics which only exist as simple objects nested inside Events. Topics as entities only exist logically client side, from the perspective of the API and database, there are only Events & Feedback, this means events are always stored & retrieved with a simple serialized JSON array of topics within them

Event {
  _id:    string    // Six character UID string
  title:  string    // Title of the event, 50 char max
  type:   string    // Type of event ['event', 'workshop', 'hack', 'lab']
  start:  Date      // Start date, an ISO 8601 string; YYYY-MM-DD
  end:    Date      // End date, an ISO 8601 string; YYYY-MM-DD
  topics: Topic[];  // List of Topics, must be at least one
Topic {
  id:       number       // int (starting at 1)
  desc:     string       // Short description 
  feedback: Feedback[];  // VIRTUAL PROPERTY - Only hydrated client side when reporting
Feedback {
  _id:       string  // Twelve character UID string
  event:     string  // Event id
  topic:     number  // Topic id
  rating:    number  // Feedback rating 1 to 5
  comment:   string  // Feedback comments
  sentiment: string  // OPTIONAL FIELD. Sentiment score of comment


For certain historical reasons we do not use MongoDB auto generated ids (i.e. ObjectId) as they cause upstream problems with things such as Azure Functions. An early design goal for the project was “short code” URLs for events

Instead we generate our own string ids using the simple function below. Length 5 is used for events and length 12 for feedback.

Although uniqueness is not guaranteed, the probability of clashes is small enough to be acceptable

  makeId(len) {
    var text = "";
    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

    for (var i = 0; i < len; i++)
      text += possible.charAt(Math.floor(Math.random() * possible.length));

    return text;

Also note, when using the mock API, the values of _id will be integers not UID strings, however it has no effect on functionality or the Vue.js client