Class: CdmMigrator::CdmController

Inherits:
ApplicationController show all
Defined in:
app/controllers/cdm_migrator/cdm_controller.rb

Instance Method Summary collapse

Methods inherited from ApplicationController

#default_url_options

Instance Method Details

#collection ⇒ Object 



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# File 'app/controllers/cdm_migrator/cdm_controller.rb', line 72

def collection
  json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetCollectionList/json")).body)
  @collections = json.collect { |c| [c['name'],c['alias']] }
  load_concerns
end

#generate ⇒ Object 



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# File 'app/controllers/cdm_migrator/cdm_controller.rb', line 11

def generate
  @h_to_c = {}
  @c_to_h = {}
  params[:mappings].each do |key, mapping|
    if !mapping['hydra'].empty?
      @c_to_h[mapping['cdm']] = mapping['hydra']
      @h_to_c[mapping['hydra']] ||= []
      @h_to_c[mapping['hydra']] << mapping['cdm']
    elsif !mapping['hydrac'].empty?
      @c_to_h[mapping['cdm']] = mapping['hydrac']
      @h_to_c[mapping['hydrac']] ||= []
      @h_to_c[mapping['hydrac']] << mapping['cdm']
    end
  end
  json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmQuery#{params[:collection]}/0/0/filetype/1024/0/0/0/0/0/1/0/json")).body)
  total_recs = json['pager']['total'].to_i
  if total_recs > 1024
    start = 1
    records = []
    [*0..(total_recs/1024)].each do |index|
      start = (index*1024) + 1
      json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmQuery#{params[:collection]}/0/0/filetype/1024/#{start}/0/0/0/0/1/0/json")).body)
      records << json['records'].map { |rec| [rec['pointer'], rec['filetype']] }
    end
    records = records.flatten(1)
  else
    records = json['records'].map { |rec| [rec['pointer'], rec['filetype']] }
  end
  headers = ::CSV.generate_line (['object_type','url']+@terms+@work_only)
  csv_lines = [] << headers
  records.each do |rec|
    if rec.last == 'cpd'
      json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetItemInfo#{params[:collection]}/#{rec.first}/json")).body)
      csv_lines << create_line(params[:work],'',json)
      json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetCompoundObjectInfo#{params[:collection]}/#{rec.first}/json")).body)
      rec_pages = json['page'] || json['node']['page']
      # Fix bug for compound objects with a single page/child: Cdm Migrator expects an array and gets a hash instead, so we wrap the hash in an array

      rec_pages = Array.wrap(rec_pages) if rec_pages.class == Hash
      rec_pages.each do |child|
        child_json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetItemInfo#{params[:collection]}/#{child['pageptr']}/json")).body)
        url = api_check rec, child
        csv_lines << create_line('File',url,child_json)
      end
    else
      json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetItemInfo#{params[:collection]}/#{rec.first}/json")).body)
      csv_lines << create_line(params[:work],'',json)
      url = api_check rec
      csv_lines << create_line('File',url,{})
    end
  end
  render plain: csv_lines.join, content_type: 'text/csv'

end

#mappings ⇒ Object 



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# File 'app/controllers/cdm_migrator/cdm_controller.rb', line 65

def mappings
  json = JSON.parse(Net::HTTP.get_response(URI.parse("#{@cdm_url}:#{@cdm_port}/dmwebservices/index.php?q=dmGetCollectionFieldInfo"+params['collection']+'/json')).body)
  @cdm_terms = json.collect { |c| [c['name'],c['nick']] }
  get_dirs if @cdm_dirs
  @yaml = YAML.load_file(params['template'].tempfile) if params.has_key? 'template'
end

#template ⇒ Object 



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# File 'app/controllers/cdm_migrator/cdm_controller.rb', line 78

def template
  hashed = params[:mappings].permit!.to_h
  template = {}
  hashed.each do |k,v|
    template[v['cdm']] = {'hydra' => v['hydra'], 'hydrac' => v['hydrac']}
  end
  render plain: template.to_yaml, content_type: 'text/yaml'
end