68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
import logging
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from datetime import datetime
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from io import StringIO
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from regluit.core.facets import BaseFacet
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from regluit.core.models import Work
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from regluit.api.onix import onix_feed
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from regluit.core.parameters import GOOD_PROVIDERS
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from .models import Target
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logger = logging.getLogger(__name__)
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def push_books(target, start=datetime(1900,1,1), new=False, max=0):
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"""given a list of books this task will push the books, metadata and covers to the target
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"""
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facet_class = get_target_facet(target, start=start, new=new)
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pushed_books = []
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for book in facet_class.works:
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pushed = target.push(book, new=new)
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if pushed:
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pushed_books.append(book)
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logger.info(u'{} pushed to {}'.format(book, target))
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else:
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logger.info(u'{} was not pushed to {}'.format(book, target))
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if max and len(pushed_books) >= max:
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break
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facet_class.works = pushed_books
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if len(pushed_books)>0:
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push_onix(target, facet_class)
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def get_target_facet(target, start=datetime(1900,1,1), new=False):
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formats = [ format.name for format in target.formats.all() ]
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def format_filter(query_set):
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return query_set.filter(format__in=formats)
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def edition_format_filter(query_set):
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return query_set.filter(ebooks__format__in=formats)
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class TargetFacet(BaseFacet):
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def __init__(self):
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self.facet_object = self
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self.works = Work.objects.filter(
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editions__ebooks__created__gt = start,
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identifiers__type="isbn",
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editions__ebooks__format__in = formats,
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editions__ebooks__provider__in = GOOD_PROVIDERS,
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).distinct().order_by('-featured')
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model_filters = {"Ebook": format_filter, "Edition": edition_format_filter}
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outer_facet = None
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title = u"Free Ebooks curated by Unglue.it"
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description = "Unglue.it eBooks for {} distribution.".format( target.name )
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return TargetFacet()
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def push_onix(target, facet_class):
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target.push_file(
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'unglueit_onix_{:%Y%m%d%H%M%S}.xml'.format(datetime.now()),
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StringIO(onix_feed(facet_class))
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)
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def push_all(start=datetime(1900,1,1), new=False, max=0):
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for target in Target.objects.all():
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push_books(target, start=start, new=new, max=max)
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