Class: Libis::Services::Scope::Search

Inherits:
Object
  • Object
show all
Includes:
GenericSearch
Defined in:
lib/libis/services/scope/search.rb

Instance Attribute Summary collapse

Attributes included from GenericSearch

#base, #host, #index, #num_records, #record_pointer, #session_id, #set_number, #term

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Search

Returns a new instance of Search.



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# File 'lib/libis/services/scope/search.rb', line 14

def initialize
  @doc = nil
end

Instance Attribute Details

#oracle ⇒ Object (readonly)

Returns the value of attribute oracle.



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# File 'lib/libis/services/scope/search.rb', line 12

def oracle
  @oracle
end

Instance Method Details

#connect(name, password, database = nil) ⇒ Object 



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# File 'lib/libis/services/scope/search.rb', line 18

def connect(name, password, database = nil)
  database ||= 'libis-db-scope.cc.kuleuven.be:1556/SCOPEP.kuleuven.be'
  @oracle = OracleClient.new("#{name}/#{password}@#{database}")
  self
end

#connect_url(url) ⇒ Object 



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# File 'lib/libis/services/scope/search.rb', line 24

def connect_url(url)
  @oracle = OracleClient.new(url)
  self
end

#each(_ = {}) {|@doc| ... } ⇒ Object

Yields:

  • (@doc) 


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# File 'lib/libis/services/scope/search.rb', line 62

def each(_ = {})
  yield @doc
end

#find(term, options = {}) ⇒ Object 



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# File 'lib/libis/services/scope/search.rb', line 29

def find(term, options = {})
  super
end

#next_record(_ = {}) {|@doc| ... } ⇒ Object

Yields:

  • (@doc) 


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# File 'lib/libis/services/scope/search.rb', line 66

def next_record(_ = {})
  yield @doc
end

#query(term, options = {}) ⇒ Object 



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# File 'lib/libis/services/scope/search.rb', line 33

def query(term, options = {})

  case options[:type] || 'REPCODE'
    when 'REPCODE'
      @oracle.call('kul_packages.scope_xml_meta_file_ed', [term.upcase])
    when 'ID'
      @oracle.call('kul_packages.scope_xml_meta_file_by_id', [term.to_i])
    else
      raise RuntimeError, "Invalid Scope search type '#{options[:type]}'"
  end
  term = term.gsub(/[-\/]/, '_')
  err_file = "/nas/vol03/oracle/#{options[:dir] || 'SCOPEP'}/#{term}_err.XML"
  md_file = "/nas/vol03/oracle/#{options[:dir] || 'SCOPEP'}/#{term}_md.XML"
  if File.exist? err_file
    doc = Libis::Tools::XmlDocument.open(err_file)
    msg = doc['/error/error_msg']
    detail = doc['/error/error_']
    File.delete(err_file) rescue nil
    @doc = nil
    raise RuntimeError, "Scope search failed: '#{msg}'. Details: '#{detail}'"
  elsif File.exist? md_file
    @doc = Libis::Tools::XmlDocument.open(md_file)
    File.delete(md_file) rescue nil
    @doc
  else
    raise RuntimeError, 'Scope search did not generate expected result file.'
  end
end