Class: CDMDEXER::OaiRequest
- Inherits:
-
Object
- Object
- CDMDEXER::OaiRequest
- Defined in:
- lib/cdmdexer/oai_request.rb
Overview
Light wrapper around OAI requests Enhances OAI responses with handles sets, records, etc and adds a little extra value to their data with a keyed set lookup, filters for deleted and non-deleted records
Instance Attribute Summary collapse
-
#after_date ⇒ Object
readonly
Returns the value of attribute after_date.
-
#client ⇒ Object
readonly
Returns the value of attribute client.
-
#endpoint_url ⇒ Object
readonly
Returns the value of attribute endpoint_url.
-
#resumption_token ⇒ Object
readonly
Returns the value of attribute resumption_token.
-
#set_spec ⇒ Object
readonly
Returns the value of attribute set_spec.
Instance Method Summary collapse
- #deletable_ids ⇒ Object
-
#initialize(endpoint_url: '', resumption_token: nil, set_spec: nil, client: Net::HTTP, after_date: false) ⇒ OaiRequest
constructor
A new instance of OaiRequest.
- #next_resumption_token ⇒ Object
- #records ⇒ Object
- #set_lookup ⇒ Object
- #sets ⇒ Object
- #updatables ⇒ Object
Constructor Details
#initialize(endpoint_url: '', resumption_token: nil, set_spec: nil, client: Net::HTTP, after_date: false) ⇒ OaiRequest
Returns a new instance of OaiRequest.
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# File 'lib/cdmdexer/oai_request.rb', line 19 def initialize(endpoint_url: '', resumption_token: nil, set_spec: nil, client: Net::HTTP, after_date: false) @endpoint_url = endpoint_url @resumption_token = resumption_token @client = client @set_spec = set_spec ? "&set=#{set_spec}" : '' @after_date = after_date end |
Instance Attribute Details
#after_date ⇒ Object (readonly)
Returns the value of attribute after_date.
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# File 'lib/cdmdexer/oai_request.rb', line 13 def after_date @after_date end |
#client ⇒ Object (readonly)
Returns the value of attribute client.
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# File 'lib/cdmdexer/oai_request.rb', line 13 def client @client end |
#endpoint_url ⇒ Object (readonly)
Returns the value of attribute endpoint_url.
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# File 'lib/cdmdexer/oai_request.rb', line 13 def endpoint_url @endpoint_url end |
#resumption_token ⇒ Object (readonly)
Returns the value of attribute resumption_token.
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# File 'lib/cdmdexer/oai_request.rb', line 13 def resumption_token @resumption_token end |
#set_spec ⇒ Object (readonly)
Returns the value of attribute set_spec.
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# File 'lib/cdmdexer/oai_request.rb', line 13 def set_spec @set_spec end |
Instance Method Details
#deletable_ids ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 52 def deletable_ids records.select do |record| if record['status'] == 'deleted' after_date ? Time.parse(record['datestamp']) >= after_date : true end end.map { |record| record[:id] } end |
#next_resumption_token ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 48 def next_resumption_token identifier_request.at_path('OAI_PMH/ListIdentifiers/resumptionToken') end |
#records ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 31 def records headers.map do |header| header.merge( id: header['identifier'].split(':').last.split('/').join(':') ) end end |
#set_lookup ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 44 def set_lookup sets.inject({}) { |memo, set| memo.merge(to_key(set)) } end |
#sets ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 39 def sets # Ensure a result of one set is still an array @sets ||= force_array request(sets_endpoint_url).at_path('OAI_PMH/ListSets/set') end |
#updatables ⇒ Object
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# File 'lib/cdmdexer/oai_request.rb', line 60 def updatables records.reject do |record| if record['status'] == 'deleted' true elsif after_date && Time.parse(record['datestamp']) < after_date true else false end end end |