Exemplo n.º 1
0
def save_tag_relationships(object_id, model, tags=None, new=False):
    if isinstance(tags, (unicode, str)):
        tags = tags.split(',')

    if not isinstance(tags, list):
        return False

    tags = [tag.strip() for tag in tags if tag]
    tags = web.uniq(tags)

    if not tags:
        return False

    t = db.transaction()
    try:
        new_tag_ids = new_tags(tags)
        if new:
            add_tag_ids = new_tag_ids
        else:
            old_tag_relationships = db.select('object_tag_relationships', what='tag_id', where='object_id=$object_id AND model=$model', vars={'object_id': object_id, 'model': model})
            old_tag_ids = [tag['tag_id'] for tag in old_tag_relationships]
            del_tag_ids = set(old_tag_ids) - set(new_tag_ids)
            add_tag_ids = set(new_tag_ids) - set(old_tag_ids)

            if del_tag_ids:
                db.delete('object_tag_relationships', where='object_id=$object_id AND model=$model AND tag_id IN $del_tag_ids', vars={'object_id': object_id, 'model': model, 'del_tag_ids': list(del_tag_ids)})

        if add_tag_ids:
            db.multiple_insert('object_tag_relationships', [{'tag_id': tag_id, 'object_id': object_id, 'model': model} for tag_id in add_tag_ids])
    except:
        t.rollback()
        return False
    else:
        t.commit()
        return True
Exemplo n.º 2
0
def get_book_provider(
        ed_or_solr: Union[Edition, dict]) -> Optional[AbstractBookProvider]:

    # On search results, we want to display IA copies first.
    # Issue is that an edition can be provided by multiple providers; we can easily
    # choose the correct copy when on an edition, but on a solr record, with all copies
    # of all editions aggregated, it's more difficult.
    # So we do some ugly ocaid sniffing to try to guess :/ Idea being that we ignore
    # OCAIDs that look like they're from other providers.
    prefer_ia = not isinstance(ed_or_solr, Edition)
    if prefer_ia:
        ia_ocaids = [
            ocaid
            # Subjects/publisher pages have ia set to a specific value :/
            for ocaid in uniq(ia_provider.get_identifiers(ed_or_solr) or [])
            if not is_non_ia_ocaid(ocaid)
        ]
        prefer_ia = bool(ia_ocaids)

    provider_order = get_provider_order(prefer_ia)

    for provider in provider_order:
        if provider.get_identifiers(ed_or_solr):
            return provider

    # No luck
    return None
Exemplo n.º 3
0
def save_category_relationships(object_id, category_ids, new=False):
    if not isinstance(category_ids, list):
        return False

    category_ids = web.uniq(category_ids)

    if not category_ids:
        return False

    t = db.transaction()
    try:
        if new:
            add_category_ids = category_ids
        else:
            old_category_relationships = db.select('object_category_relationships', what='category_id', where='object_id=$object_id', vars={'object_id': object_id})
            old_category_ids = [category['category_id'] for category in old_category_relationships]
            del_category_ids = set(old_category_ids) - set(category_ids)
            add_category_ids = set(category_ids) - set(old_category_ids)

            if del_category_ids:
                db.delete('object_category_relationships', where='object_id=$object_id AND category_id IN $del_category_ids', vars={'object_id': object_id, 'del_category_ids': list(del_category_ids)})

        if add_category_ids:
            db.multiple_insert('object_category_relationships', [{'category_id': category_id, 'object_id': object_id} for category_id in add_category_ids])
    except:
        t.rollback()
        return False
    else:
        t.commit()
        return True
Exemplo n.º 4
0
def get_provider_order(prefer_ia=False) -> list[AbstractBookProvider]:
    default_order = prefer_ia_provider_order if prefer_ia else PROVIDER_ORDER

    provider_order = default_order
    provider_overrides = None
    # Need this to work in test environments
    if 'env' in web.ctx:
        provider_overrides = web.input(providerPref=None,
                                       _method='GET').providerPref
    if provider_overrides:
        new_order: list[AbstractBookProvider] = []
        for name in provider_overrides.split(','):
            if name == '*':
                new_order += default_order
            else:
                provider = get_book_provider_by_name(name)
                if not provider:
                    # TODO: Show the user a warning somehow
                    continue
                new_order.append(provider)
        new_order = uniq(new_order + default_order)
        if new_order:
            provider_order = new_order

    return provider_order
Exemplo n.º 5
0
    """
    Check if the ocaid "looks like" it's from another provider
    """
    providers = (provider for provider in PROVIDER_ORDER
                 if provider.short_name != 'ia')
    return any(provider.is_own_ocaid(ocaid) for provider in providers)


def get_book_provider_by_name(
        short_name: str) -> Optional[AbstractBookProvider]:
    return next((p for p in PROVIDER_ORDER if p.short_name == short_name),
                None)


ia_provider = cast(InternetArchiveProvider, get_book_provider_by_name('ia'))
prefer_ia_provider_order = uniq([ia_provider, *PROVIDER_ORDER])


def get_provider_order(prefer_ia=False) -> list[AbstractBookProvider]:
    default_order = prefer_ia_provider_order if prefer_ia else PROVIDER_ORDER

    provider_order = default_order
    provider_overrides = web.input(providerPref=None).providerPref
    if provider_overrides:
        new_order: list[AbstractBookProvider] = []
        for name in provider_overrides.split(','):
            if name == '*':
                new_order += default_order
            else:
                provider = get_book_provider_by_name(name)
                if not provider: