Class: ThinkFeelDoEngine::Reports::VideoSession

Inherits:
Object
  • Object
show all
Defined in:
app/models/think_feel_do_engine/reports/video_session.rb

Overview

Scenario: a Participant plays a video.

Class Method Summary collapse

Class Method Details

.all ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'app/models/think_feel_do_engine/reports/video_session.rb', line 11

def self.all
  Participant.not_moderator.select(:id, :study_id).map do |participant|
    video_play_events(participant.id).map do |e|
      m = e.current_url.match(%r{.*\/providers\/(\d+)\/(\d+)$})
      provider_id = m ? m[1] : -1
      position = m ? m[2] : -1
      video = BitCore::ContentProvider
              .find_by(id: provider_id)
              .try(:source_content)
              .try(:slides)
              .try(:find_by_position, position)
      next_e = next_event(e)

      {
        participant_id: participant.study_id,
        video_title: video.try(:title),
        video_started_at: e.emitted_at.iso8601,
        video_stopped_at: next_e.try(:emitted_at).try(:iso8601),
        stopping_action: next_e.try(:kind)
      }
    end
  end.flatten
end

.columns ⇒ Object 



6
7
8
9
 
# File 'app/models/think_feel_do_engine/reports/video_session.rb', line 6

def self.columns
  %w( participant_id video_title video_started_at video_stopped_at
      stopping_action )
end

.next_event(event) ⇒ Object

Return the immediately following Event for the Participant that is not a video play event, or nil if none exist.



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'app/models/think_feel_do_engine/reports/video_session.rb', line 44

def self.next_event(event)
  event = EventCapture::Event.next_event_for(event)

  return if event.nil?
  return event if event && event.kind != "videoPause"

  # if the event is a pause and there's an immediately following finish,
  # return the finish event
  finish_event = EventCapture::Event
                 .where(participant_id: event.participant_id)
                 .where("emitted_at > ? AND emitted_at < ?",
                        event.emitted_at,
                        event.emitted_at + 2.seconds)
                 .order(:emitted_at)
                 .limit(1)
                 .first

  finish_event.try(:kind) == "videoFinish" ? finish_event : event
end

.video_play_events(participant_id) ⇒ Object 



35
36
37
38
39
40
 
# File 'app/models/think_feel_do_engine/reports/video_session.rb', line 35

def self.video_play_events(participant_id)
  EventCapture::Event
    .where(participant_id: participant_id, kind: "videoPlay")
    .select(:participant_id, :kind, :emitted_at, :payload)
    .order(:emitted_at)
end