def annotation_container_for(cls, patron, identifier=None):
if identifier:
url = url_for('annotations_for_work',
identifier_type=identifier.type,
identifier=identifier.identifier,
library_short_name=patron.library.short_name,
_external=True)
else:
url = url_for("annotations",
library_short_name=patron.library.short_name,
_external=True)
annotations = cls.annotations_for(patron, identifier=identifier)
latest_timestamp = None
if len(annotations) > 0:
# patron.annotations is already sorted by timestamp, so the first
# annotation is the most recent.
latest_timestamp = annotations[0].timestamp
container = dict()
container["@context"] = [cls.JSONLD_CONTEXT, cls.LDP_CONTEXT]
container["id"] = url
container["type"] = ["BasicContainer", "AnnotationCollection"]
container["total"] = len(annotations)
container["first"] = cls.annotation_page_for(patron,
identifier=identifier,
with_context=False)
return container, latest_timestamp
def annotation_page_for(cls, patron, identifier=None, with_context=True):
if identifier:
url = url_for(
"annotations_for_work",
identifier_type=identifier.type,
identifier=identifier.identifier,
library_short_name=patron.library.short_name,
_external=True,
)
else:
url = url_for(
"annotations",
library_short_name=patron.library.short_name,
_external=True,
)
annotations = cls.annotations_for(patron, identifier=identifier)
details = [
cls.detail(annotation, with_context=with_context)
for annotation in annotations
]
page = dict()
if with_context:
page["@context"] = cls.JSONLD_CONTEXT
page["id"] = url
page["type"] = "AnnotationPage"
page["items"] = details
return page
def detail(cls, annotation, with_context=True):
item = dict()
if with_context:
item["@context"] = cls.JSONLD_CONTEXT
item["id"] = url_for(
"annotation_detail",
annotation_id=annotation.id,
library_short_name=annotation.patron.library.short_name,
_external=True,
)
item["type"] = "Annotation"
item["motivation"] = annotation.motivation
item["body"] = annotation.content
if annotation.target:
target = json.loads(annotation.target)
compacted = jsonld.compact(target, cls.JSONLD_CONTEXT)
del compacted["@context"]
item["target"] = compacted
if annotation.content:
body = json.loads(annotation.content)
compacted = jsonld.compact(body, cls.JSONLD_CONTEXT)
del compacted["@context"]
item["body"] = compacted
return item
def link_template_header(self):
"""Generate the Link Template that explains how to deregister
a specific DRM device ID.
"""
url = url_for("adobe_drm_device", device_id="{id}", _external=True)
# The curly brackets in {id} were escaped. Un-escape them to
# get a Link Template.
url = url.replace("%7Bid%7D", "{id}")
return {"Link-Template": '<%s>; rel="item"' % url}
def annotation_page_for(cls, patron, identifier=None, with_context=True):
if identifier:
url = url_for('annotations_for_work',
identifier_type=identifier.type,
identifier=identifier.identifier,
library_short_name=patron.library.short_name,
_external=True)
else:
url = url_for("annotations", library_short_name=patron.library.short_name, _external=True)
annotations = cls.annotations_for(patron, identifier=identifier)
details = [cls.detail(annotation, with_context=with_context) for annotation in annotations]
page = dict()
if with_context:
page["@context"] = cls.JSONLD_CONTEXT
page["id"] = url
page["type"] = "AnnotationPage"
page["items"] = details
return page
def annotation_container_for(cls, patron, identifier=None):
if identifier:
url = url_for('annotations_for_work',
identifier_type=identifier.type,
identifier=identifier.identifier,
library_short_name=patron.library.short_name,
_external=True)
else:
url = url_for("annotations", library_short_name=patron.library.short_name, _external=True)
annotations = cls.annotations_for(patron, identifier=identifier)
latest_timestamp = None
if len(annotations) > 0:
# patron.annotations is already sorted by timestamp, so the first
# annotation is the most recent.
latest_timestamp = annotations[0].timestamp
container = dict()
container["@context"] = [cls.JSONLD_CONTEXT, cls.LDP_CONTEXT]
container["id"] = url
container["type"] = ["BasicContainer", "AnnotationCollection"]
container["total"] = len(annotations)
container["first"] = cls.annotation_page_for(patron, identifier=identifier, with_context=False)
return container, latest_timestamp
def detail(cls, annotation, with_context=True):
item = dict()
if with_context:
item["@context"] = cls.JSONLD_CONTEXT
item["id"] = url_for("annotation_detail", annotation_id=annotation.id,
library_short_name=annotation.patron.library.short_name,
_external=True)
item["type"] = "Annotation"
item["motivation"] = annotation.motivation
item["body"] = annotation.content
if annotation.target:
target = json.loads(annotation.target)
compacted = jsonld.compact(target, cls.JSONLD_CONTEXT)
del compacted["@context"]
item["target"] = compacted
if annotation.content:
body = json.loads(annotation.content)
compacted = jsonld.compact(body, cls.JSONLD_CONTEXT)
del compacted["@context"]
item["body"] = compacted
return item
