Class: ExportJsonJob

Inherits:
ApplicationJob
  • Object
show all
Defined in:
app/jobs/export_json_job.rb

Overview

ExportJsonJob

Instance Method Summary collapse

Instance Method Details

#crawl_query(request, query_params, doc_ids = []) ⇒ Object 



107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
 
# File 'app/jobs/export_json_job.rb', line 107

def crawl_query(request, query_params, doc_ids = [])
  logger.debug("\n\n CRAWL Query: #{query_params}")
  logger.debug("\n\n CRAWL Query Request: #{request}")
  api_results = BlacklightApiIds.new(request, query_params)
  logger.debug("API Results: #{api_results.results.inspect}")

  doc_ids << api_results.results.pluck("id")

  unless api_results.meta["pages"]["next_page"].nil?
    crawl_query(request, query_params.merge!({page: api_results.meta["pages"]["next_page"]}),
      doc_ids)
  end

  doc_ids
end

#perform(request, current_user, query_params, export_service) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
 
# File 'app/jobs/export_json_job.rb', line 10

def perform(request, current_user, query_params, export_service)
  logger.debug("\n\n Background Job: ♞")
  logger.debug("Request: #{request.inspect}")
  logger.debug("User: #{current_user.inspect}")
  logger.debug("Query: #{query_params.inspect}")
  logger.debug("Export Service: #{export_service.inspect}")
  logger.debug("\n\n")

  # Test broadcast
  ActionCable.server.broadcast("export_channel", {data: "Hello from Export JSON Job!"})

  # Query params into Doc ids
  document_ids = query_params[:ids] || crawl_query(request, query_params)

  # Rails.logger.debug("Document Ids: #{document_ids}")

  # Send progress
  documents = export_service.call(document_ids)

  # Write files into tempdir, zip together
  FileUtils.mkdir_p("ogm")

  Dir.mktmpdir do |dir|
    documents.each do |doc|
      # ===== Final Directory Structure =====
      # => Zip
      # ==> Provider
      # ===> Resource class (first)
      # ====> id.json

      Rails.logger.debug { "==== Query Format #{query_params[:format]} ====" }
      Rails.logger.debug { "==== Writing - #{doc.friendlier_id} - #{query_params[:format]} ====" }

      begin
        # File Path
        code = doc.b1g_code_s.presence || "_b1g_code_s_missing"
        resource_class = doc.gbl_resourceClass_sm.present? ? doc.gbl_resourceClass_sm.first : "_gbl_resourceClass_sm_missing"
        tree = Pathname("#{dir}/#{resource_class}/#{code}/#{doc.friendlier_id}.json")
        tree.dirname.mkpath
        Rails.logger.debug tree.inspect

        json_output = Admin::DocumentsController.render("_#{query_params[:format]}",
          locals: {document: doc})

        json_obj = JSON.parse(json_output)
        Rails.logger.debug json_obj

        # Remove nil/null values from JSON
        json_obj.compact!

        tree.write(JSON.pretty_generate(json_obj))
      rescue NoMethodError => e
        Rails.logger.debug { "==== Error! - #{doc.friendlier_id} ====" }
        Rails.logger.debug e.inspect
        next
      end
    end

    # ===== Local debugging =====
    # Sanity check dir
    # Rails.logger.debug '==== Dir GLOB - START ===='
    # Rails.logger.debug Dir.glob("#{dir}/*")
    # Rails.logger.debug '==== Dir GLOB - END ===='

    # Zip dir and attach
    @zip_file = Rails.root.join("tmp", "export-json-#{Time.zone.today}-#{SecureRandom.hex(8)}.zip")
    zf = ZipFileGenerator.new(dir, @zip_file)
    zf.write

    Rails.logger.debug { "File size: #{@zip_file.size}" }
  end

  # Create notification
  # Message: "Download Type|Row Count|Button Label"
  notification = ExportNotification.with(message: "#{query_params[:format].humanize.upcase}|#{ActionController::Base.helpers.number_with_delimiter(documents.size)} rows|ZIP")

  # Deliver notification
  notification.deliver(current_user)

  # Attach CSV file (can only attach after persisted)
  notification.record.file.attach(io: File.open(@zip_file), filename: "geomg-export-#{Time.zone.today}.zip",
    content_type: "application/zip")

  Rails.logger.debug "Notification File attached!"

  # Update UI
  ActionCable.server.broadcast("export_channel", {
    data: "Notification ready!",
    actions: [
      {
        method: "RefreshNotifications",
        payload: current_user.notifications.unread.count
      }
    ]
  })
end