# $Id: openurl.sf 4091 2010-12-05 22:18:15Z place $
# $URL: https://svn.non-gnu.uvt.nl/uvt-dev/trunk/sources/meresco/bzv/html/dynamic/openurl.sf $

import search

def main(headers={}, arguments={}, *args, **kwargs):
    openurl = ''
    if 'url_ver' in arguments and arguments.get('url_ver')[0] == "Z39.88-2004":
        if 'rft.atitle' in arguments: 
            arguments['atitle'] = arguments['rft.atitle']
            openurl += "atitle=" + arguments['atitle'][0] + "&"
        if 'rft.btitle' in arguments: 
            arguments['title'] = arguments['rft.btitle']
            openurl += "title=" + arguments['title'][0] + "&"
        elif 'rft.jtitle' in arguments: 
            arguments['title'] = arguments['rft.jtitle']
            openurl += "title=" + arguments['title'][0] + "&"
        elif 'rft.title' in arguments: 
            arguments['title'] = arguments['rft.title']
            openurl += "title=" + arguments['title'][0] + "&"
        
        if 'rft.genre' in arguments:
            arguments['genre'] = arguments['rft.genre']
            openurl += "genre=" + arguments['genre'][0] + "&"
        elif 'rft_val_fmt' in arguments:
            genre = arguments['rft_val_fmt'][0].split(':')[-1:]
            if genre == "journal": genre = "article"
            arguments['genre'] = genre
            openurl += "genre=" + arguments['genre'][0] + "&"
        
        if 'rft.au' in arguments:
            arguments['au'] = arguments['rft.au']
            au = arguments['au'][0]
            arguments['aulast']  = [au.split(',')[0]]
            arguments['aufirst'] = [au.split(',')[1]]
            openurl += "aulast=" + arguments['aulast'][0] + "&"
            openurl += "aufirst=" + arguments['aufirst'][0] + "&"
        
        if 'rft.volume' in arguments:
            arguments['volume'] = arguments['rft.volume']
            openurl += "volume=" + arguments['volume'][0] + "&"
        if 'rft.issue' in arguments:
            arguments['issue'] = arguments['rft.issue']
            openurl += "issue=" + arguments['issue'][0] + "&"
        if 'rft.date' in arguments:
            arguments['date'] = arguments['rft.date']
            openurl += "date=" + arguments['date'][0] + "&"
        if 'rft.spage' in arguments:
            arguments['spage'] = arguments['rft.spage']
            openurl += "spage=" + arguments['spage'][0] + "&"
        if 'rft.epage' in arguments:
            arguments['epage'] = arguments['rft.epage']
            openurl += "epage=" + arguments['epage'][0] + "&"
        if 'rft.issn' in arguments:
            arguments['issn'] = arguments['rft.issn']
            openurl += "issn=" + arguments['issn'][0] + "&"
        if 'rft.isbn' in arguments:
            arguments['isbn'] = arguments['rft.isbn']
            openurl += "isbn=" + arguments['isbn'][0] + "&"
    else: openurl = kwargs['RequestURI'].split('?')[1]
    matches = re.match('(^.*?date=).*?(\d\d\d\d)[^&]*(.*)', openurl)
    if matches:
        openurl = matches.group(1) + matches.group(2) + matches.group(3)
    arguments['openurl'] = openurl

    if 'query' not in arguments:
        if 'genre' in arguments and arguments['genre'][0] == "bookitem":
            query = ''
            if 'atitle' in arguments:
                query = arguments['atitle'][0].replace(':', ' ')
            if 'title' in arguments:
                if query: query = '''"%s" or "%s"''' %(query, arguments['title'][0].replace(':', ' '))
                else: query = arguments['title'][0].replace(':', ' ')
            if query: arguments['query'] = [query]
        if 'query' not in arguments:    
            if 'atitle' in arguments:
                arguments['query'] = [arguments['atitle'][0].replace(':', ' ')]
            elif 'title' in arguments: 
                arguments['query'] = [arguments['title'][0].replace(':', ' ')]
            elif 'issn' in arguments:
                arguments['query'] = [arguments['issn'][0].replace('-', '')]
            elif 'isbn' in arguments:
                arguments['query'] = arguments['isbn']
        if 'sortKeys' not in arguments:
            arguments['sortKeys'] = [',,']
        arguments['queryisforresolver'] = ['']
    yield search.main(headers=headers, arguments=arguments, *args, **kwargs)