Emend relaton records with bibliographic spans

[opoudjis]

The records being fetched from Crossref by relaton-doi are pretty patchy, and are often missing critical information. To deal with this, we will permit bibliographic spans to overwrite information in the fetched record.

• If the span presents information absent in the fetched record, it is added to it
• If the span presents information corresponding in the fetched record, it overwrites it
• Information is broken down by type: if an identifier, or URI, or date is of a given type, it overwrites only identifiers of the same type in the fetched record
  • Contributor role type is counted as a type
• Information is replaced, not additive: if there are multiple authors in the fetched record, they are replaced by the listing of multiple authors in the bibliographic spans.

[opoudjis]

@andrew2net I have a problem

I want to be able to change a relaton record, by merging it with a new record:

• I have a RelatonBib record
• I have a partial new RelatonBib record
• I want to selectively overwrite fields in the old record with fields in the new record

Almost all the fields I want to overwrite are attr_reader.

How can I change them? Can I do RelatonBib::BibliographicItem.new(item.to_hash), for example? If so, I can just change the fields in item.to_hash before passing it to the initialiser.

Trying with changing all the keys of item.to_hash from strings to symbols...

[opoudjis]

I've got it working, @andrew2net :

old = RelatonBib::XMLParser.from_xml bibitem.to_xml
hash = old.to_hash.symbolize_all_keys
out = RelatonBib::HashConverter.hash_to_bib(hash)
RelatonBib::BibliographicItem.new(**out).to_xml

But why has the docidentifier disappeared? I'm stripping it somewhere, and not putting it back in time...

[opoudjis]

OK, fixed. I can do this, I just won't do this before release.

[opoudjis]

I did do it before release.