Class: Recon::URLLookup

Inherits:
Object
  • Object
show all
Defined in:
lib/ds/recon/url_lookup.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lookup_set) ⇒ URLLookup

The name of the lookup set in config/recon.yml. For example, for

---
recon:
  # ...
  iiif_manifests: iiif/legacy-iiif-manifests.csv

the lookup_set is 'iiif_manifests'.

Parameters:

  • lookup_set (String) —

    the name of the recon setting



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# File 'lib/ds/recon/url_lookup.rb', line 18

def initialize lookup_set
  @lookup_set = lookup_set
  @url_hash = {}
end

Instance Attribute Details

#lookup_set ⇒ Object (readonly)

Returns the value of attribute lookup_set.



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# File 'lib/ds/recon/url_lookup.rb', line 4

def lookup_set
  @lookup_set
end

#url_hash ⇒ Object (readonly)

Returns the value of attribute url_hash.



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# File 'lib/ds/recon/url_lookup.rb', line 5

def url_hash
  @url_hash
end

Instance Method Details

#find_url(holding_inst_as_recorded, shelfmark) ⇒ Object 



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# File 'lib/ds/recon/url_lookup.rb', line 23

def find_url holding_inst_as_recorded, shelfmark
  key = url_key holding_inst_as_recorded, shelfmark
  urls[key]
end

#normalize_key(*strings) ⇒ Object 



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# File 'lib/ds/recon/url_lookup.rb', line 48

def normalize_key *strings
  strings.join.downcase.gsub(%r{\s+}, '')
end

#url_key(holder, shelfmark) ⇒ Object

Raises:



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# File 'lib/ds/recon/url_lookup.rb', line 42

def url_key holder, shelfmark
  qid = DS::Institutions.find_qid holder
  raise DSError, "No QID found for #{holder}" if qid.blank?
  normalize_key qid, shelfmark
end

#urls ⇒ Object 



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# File 'lib/ds/recon/url_lookup.rb', line 30

def urls
  return url_hash unless url_hash.empty?
  recon_repo = File.join DS.root, 'data', Settings.recon.git_local_name
  csv_file   = File.join recon_repo, Settings.recon[lookup_set]

  CSV.readlines(csv_file, headers: true).each { |row|
    key = url_key row['holding_institution'], row['shelfmark']
    url_hash[key] = row['url']
  }
  url_hash
end