class BackpackAssertionSerializerV2(DetailSerializerV2, OriginalJsonSerializerMixin):
acceptance = serializers.ChoiceField(choices=BadgeInstance.ACCEPTANCE_CHOICES, default=BadgeInstance.ACCEPTANCE_ACCEPTED)
# badgeinstance
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
badgeclass = EntityRelatedFieldV2(source='cached_badgeclass', required=False, queryset=BadgeClass.cached)
badgeclassOpenBadgeId = serializers.URLField(source='badgeclass_jsonld_id', read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer', required=False, queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id', read_only=True)
image = serializers.FileField(read_only=True)
recipient = BadgeRecipientSerializerV2(source='*')
issuedOn = serializers.DateTimeField(source='issued_on', read_only=True)
narrative = MarkdownCharField(required=False)
evidence = EvidenceItemSerializerV2(many=True, required=False)
revoked = HumanReadableBooleanField(read_only=True)
revocationReason = serializers.CharField(source='revocation_reason', read_only=True)
expires = serializers.DateTimeField(source='expires_at', required=False)
class Meta(DetailSerializerV2.Meta):
model = BadgeInstance
def to_representation(self, instance):
representation = super(BackpackAssertionSerializerV2, self).to_representation(instance)
request_kwargs = self.context['kwargs']
expands = request_kwargs['expands']
if 'badgeclass' in expands:
representation['badgeclass'] = instance.cached_badgeclass.get_json(include_extra=True, use_canonical_id=True)
if 'issuer' in expands:
representation['badgeclass']['issuer'] = instance.cached_issuer.get_json(include_extra=True, use_canonical_id=True)
return representation
class BackpackAssertionSerializerV2(DetailSerializerV2,
OriginalJsonSerializerMixin):
acceptance = serializers.ChoiceField(
choices=BadgeInstance.ACCEPTANCE_CHOICES,
default=BadgeInstance.ACCEPTANCE_ACCEPTED)
# badgeinstance
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
badgeclass = EntityRelatedFieldV2(source='cached_badgeclass',
required=False,
queryset=BadgeClass.cached)
badgeclassOpenBadgeId = serializers.URLField(source='badgeclass_jsonld_id',
read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
image = serializers.FileField(read_only=True)
recipient = BadgeRecipientSerializerV2(source='*')
issuedOn = serializers.DateTimeField(source='issued_on', read_only=True)
narrative = MarkdownCharField(required=False)
evidence = EvidenceItemSerializerV2(many=True, required=False)
revoked = HumanReadableBooleanField(read_only=True)
revocationReason = serializers.CharField(source='revocation_reason',
read_only=True)
expires = serializers.DateTimeField(source='expires_at', required=False)
class Meta(DetailSerializerV2.Meta):
model = BadgeInstance
class RecipientGroupSerializerV2(DetailSerializerV2):
createdAt = serializers.DateTimeField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer', read_only=True)
name = StripTagsCharField(required=False)
description = StripTagsCharField(required=False)
active = serializers.BooleanField(source='is_active', default=True)
members = RecipientGroupMembershipSerializerV2(many=True, source='membership_items', required=False)
pathways = EntityRelatedFieldV2(many=True, source='pathway_items', required=False, queryset=Pathway.cached)
class Meta(DetailSerializerV2.Meta):
model = RecipientGroup
def update(self, instance, validated_data):
if 'cached_issuer' in validated_data:
validated_data.pop('cached_issuer') # issuer is not updatedable
super(RecipientGroupSerializerV2, self).update(instance, validated_data)
def create(self, validated_data):
if 'cached_issuer' in validated_data:
# included issuer in request
validated_data['issuer'] = validated_data.pop('cached_issuer')
elif 'issuer' in self.context:
# issuer was passed in context
validated_data['issuer'] = self.context.get('issuer')
else:
# issuer is required on create
raise serializers.ValidationError({"issuer": "This field is required"})
return super(RecipientGroupSerializerV2, self).create(validated_data)
class IssuerStaffSerializerV2(DetailSerializerV2):
user = EntityRelatedFieldV2(source='cached_user', queryset=BadgeUser.cached)
role = serializers.CharField(validators=[ChoicesValidator(dict(IssuerStaff.ROLE_CHOICES).keys())])
class Meta(DetailSerializerV2.Meta):
apispec_definition = ('IssuerStaff', {
'properties': {
'role': {
'type': "string",
'enum': ["staff", "editor", "owner"]
}
}
})
class BackpackCollectionSerializerV2(DetailSerializerV2):
name = serializers.CharField()
description = MarkdownCharField(required=False)
owner = EntityRelatedFieldV2(read_only=True, source='created_by')
share_url = serializers.URLField(read_only=True)
shareHash = serializers.CharField(read_only=True, source='share_hash')
published = serializers.BooleanField(required=False)
assertions = EntityRelatedFieldV2(many=True,
source='badge_items',
required=False,
queryset=BadgeInstance.cached)
class Meta(DetailSerializerV2.Meta):
model = BackpackCollection
apispec_definition = ('Collection', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Collection",
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Collection\"",
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Collection was created",
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created this Collection",
}),
('name', {
'type': "string",
'format': "string",
'description': "Name of the Collection",
}),
('description', {
'type': "string",
'format': "text",
'description': "Short description of the Collection",
}),
('share_url', {
'type':
"string",
'format':
"url",
'description':
"A public URL for sharing the Collection. Read only.",
}),
('shareHash', {
'type':
"string",
'format':
"url",
'description':
"The share hash that allows construction of a public sharing URL. Read only.",
}),
('published', {
'type':
"boolean",
'description':
"True if the Collection has a public share URL",
}),
('assertions', {
'type': "array",
'items': {
'$ref': '#/definitions/Assertion'
},
'description': "List of Assertions in the collection",
}),
])
})
class IssuerSerializerV2(DetailSerializerV2, OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = DateTimeWithUtcZAtEndField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator',
queryset=BadgeUser.cached,
required=False)
name = StripTagsCharField(max_length=1024)
image = ValidImageField(required=False)
email = serializers.EmailField(max_length=255, required=True)
description = StripTagsCharField(max_length=16384, required=False)
url = serializers.URLField(max_length=1024, required=True)
staff = IssuerStaffSerializerV2(many=True,
source='staff_items',
required=False)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
badgrDomain = serializers.SlugRelatedField(required=False,
source='badgrapp',
slug_field='cors',
queryset=BadgrApp.objects)
class Meta(DetailSerializerV2.Meta):
model = Issuer
apispec_definition = ('Issuer', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Issuer",
'readOnly': True,
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Issuer\"",
'readOnly': True,
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
'readOnly': True,
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Issuer was created",
'readOnly': True,
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created this Issuer",
'required': False,
}),
('name', {
'type': "string",
'format': "string",
'description': "Name of the Issuer",
'required': True,
}),
('image', {
'type': "string",
'format': "data:image/png;base64",
'description':
"Base64 encoded string of an image that represents the Issuer",
'required': False,
}),
('email', {
'type': "string",
'format': "email",
'description': "Contact email for the Issuer",
'required': True,
}),
('url', {
'type': "string",
'format': "url",
'description':
"Homepage or website associated with the Issuer",
'required': False,
}),
('description', {
'type': "string",
'format': "text",
'description': "Short description of the Issuer",
'required': False,
}),
])
})
def validate_image(self, image):
if image is not None:
img_name, img_ext = os.path.splitext(image.name)
image.name = 'issuer_logo_' + str(uuid.uuid4()) + img_ext
return image
def validate_createdBy(self, val):
if not request_authenticated_with_server_admin_token(
self.context.get('request')):
return None
return val
def validate(self, data):
if data.get('badgrapp'
) and not request_authenticated_with_server_admin_token(
self.context.get('request')):
data.pop('badgrapp')
return data
def create(self, validated_data):
request = self.context.get('request')
# If a Server Admin declares another user as creator, set it to that other user. Otherwise, use request.user
user = validated_data.pop('cached_creator', None)
if user:
validated_data['created_by'] = user
potential_email = validated_data['email']
if validated_data.get('badgrapp') is None:
validated_data['badgrapp'] = BadgrApp.objects.get_current(request)
# Server admins are exempt from email verification requirement. They will enforce it themselves.
if not request_authenticated_with_server_admin_token(
request) and not validated_data[
'created_by'].is_email_verified(potential_email):
raise serializers.ValidationError(
"Issuer email must be one of your verified addresses. Add this email to your profile and try again."
)
staff = validated_data.pop('staff_items', [])
new_issuer = super(IssuerSerializerV2, self).create(validated_data)
# update staff after issuer is created
new_issuer.staff_items = staff
return new_issuer
def update(self, instance, validated_data):
validated_data.pop('cached_creator', None)
if 'image' in validated_data:
self.context['save_kwargs'] = dict(force_resize=True)
return super(IssuerSerializerV2, self).update(instance, validated_data)
class BadgeInstanceSerializerV2(DetailSerializerV2,
OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = DateTimeWithUtcZAtEndField(source='created_at',
read_only=True,
default_timezone=pytz.utc)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
badgeclass = EntityRelatedFieldV2(source='cached_badgeclass',
required=False,
queryset=BadgeClass.cached)
badgeclassOpenBadgeId = CachedUrlHyperlinkedRelatedField(
source='badgeclass_jsonld_id',
view_name='badgeclass_json',
lookup_field='entity_id',
queryset=BadgeClass.cached,
required=False)
badgeclassName = serializers.CharField(write_only=True, required=False)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
image = serializers.FileField(read_only=True)
recipient = BadgeRecipientSerializerV2(source='*', required=False)
issuedOn = DateTimeWithUtcZAtEndField(source='issued_on',
required=False,
default_timezone=pytz.utc)
narrative = MarkdownCharField(required=False, allow_null=True)
evidence = EvidenceItemSerializerV2(source='evidence_items',
many=True,
required=False)
revoked = HumanReadableBooleanField(read_only=True)
revocationReason = serializers.CharField(source='revocation_reason',
read_only=True)
acceptance = serializers.CharField(read_only=True)
expires = DateTimeWithUtcZAtEndField(source='expires_at',
required=False,
allow_null=True,
default_timezone=pytz.utc)
notify = HumanReadableBooleanField(write_only=True,
required=False,
default=False)
allowDuplicateAwards = serializers.BooleanField(write_only=True,
required=False,
default=True)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
class Meta(DetailSerializerV2.Meta):
model = BadgeInstance
apispec_definition = ('Assertion', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Assertion",
'readOnly': True,
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Assertion\"",
'readOnly': True,
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
'readOnly': True,
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion was created",
'readOnly': True,
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created the Assertion",
'readOnly': True,
}),
('badgeclass', {
'type': 'string',
'format': 'entityId',
'description': "BadgeClass that issued this Assertion",
'required': False,
}),
('badgeclassOpenBadgeId', {
'type': 'string',
'format': 'url',
'description': "URL of the BadgeClass to award",
'required': False,
}),
('badgeclassName', {
'type': 'string',
'format': 'string',
'description':
"Name of BadgeClass to create assertion against, case insensitive",
'required': False,
}),
('revoked', {
'type': 'boolean',
'description': "True if this Assertion has been revoked",
'readOnly': True,
}),
('revocationReason', {
'type': 'string',
'format': "string",
'description':
"Short description of why the Assertion was revoked",
'readOnly': True,
}),
('acceptance', {
'type': 'string',
'description':
"Recipient interaction with Assertion. One of: Unaccepted, Accepted, or Rejected",
'readOnly': True,
}),
('image', {
'type': 'string',
'format': 'url',
'description': "URL to the baked assertion image",
'readOnly': True,
}),
('issuedOn', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion was issued",
'required': False,
}),
('narrative', {
'type': 'string',
'format': 'markdown',
'description': "Markdown narrative of the achievement",
'required': False,
}),
('evidence', {
'type': 'array',
'items': {
'$ref': '#/definitions/AssertionEvidence'
},
'description':
"List of evidence associated with the achievement",
'required': False,
}),
('recipient', {
'type': 'object',
'$ref': '#/definitions/BadgeRecipient',
'description': "Recipient that was issued the Assertion",
'required': False,
}),
('expires', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion expires",
'required': False,
}),
])
})
def validate_issuedOn(self, value):
if value > timezone.now():
raise serializers.ValidationError(
"Only issuedOn dates in the past are acceptable.")
if value.year < 1583:
raise serializers.ValidationError(
"Only issuedOn dates after the introduction of the Gregorian calendar are allowed."
)
return value
def update(self, instance, validated_data):
updateable_fields = [
'evidence_items', 'expires_at', 'extension_items', 'hashed',
'issued_on', 'narrative', 'recipient_identifier', 'recipient_type'
]
for field_name in updateable_fields:
if field_name in validated_data:
setattr(instance, field_name, validated_data.get(field_name))
instance.rebake(save=True)
return instance
def validate(self, data):
request = self.context.get('request', None)
expected_issuer = self.context.get('kwargs', {}).get('issuer')
badgeclass_identifiers = [
'badgeclass_jsonld_id', 'badgeclassName', 'cached_badgeclass',
'badgeclass'
]
badge_instance_properties = list(data.keys())
if 'badgeclass' in self.context:
badge_instance_properties.append('badgeclass')
if sum(
[el in badgeclass_identifiers
for el in badge_instance_properties]) > 1:
raise serializers.ValidationError(
'Multiple badge class identifiers. Exactly one of the following badge class identifiers are allowed: badgeclass, badgeclassName, or badgeclassOpenBadgeId'
)
if request and request.method != 'PUT':
# recipient and badgeclass are only required on create, ignored on update
if 'recipient_identifier' not in data:
raise serializers.ValidationError(
{'recipient': ["This field is required"]})
if 'cached_badgeclass' in data:
# included badgeclass in request
data['badgeclass'] = data.pop('cached_badgeclass')
elif 'badgeclass' in self.context:
# badgeclass was passed in context
data['badgeclass'] = self.context.get('badgeclass')
elif 'badgeclass_jsonld_id' in data:
data['badgeclass'] = data.pop('badgeclass_jsonld_id')
elif 'badgeclassName' in data:
name = data.pop('badgeclassName')
matches = BadgeClass.objects.filter(name=name,
issuer=expected_issuer)
len_matches = len(matches)
if len_matches == 1:
data['badgeclass'] = matches.first()
elif len_matches == 0:
raise serializers.ValidationError(
"No matching BadgeClass found with name {}".format(
name))
else:
raise serializers.ValidationError(
"Could not award; {} BadgeClasses with name {}".format(
len_matches, name))
else:
raise serializers.ValidationError(
{"badgeclass": ["This field is required"]})
allow_duplicate_awards = data.pop('allowDuplicateAwards')
if allow_duplicate_awards is False:
previous_awards = BadgeInstance.objects.filter(
recipient_identifier=data['recipient_identifier'],
badgeclass=data['badgeclass']).filter(
revoked=False).filter(
Q(expires_at__isnull=True)
| Q(expires_at__gt=timezone.now()))
if previous_awards.exists():
raise serializers.ValidationError(
"A previous award of this badge already exists for this recipient."
)
if expected_issuer and data[
'badgeclass'].issuer_id != expected_issuer.id:
raise serializers.ValidationError({
"badgeclass":
["Could not find matching badgeclass for this issuer."]
})
if 'badgeclass' in data:
data['issuer'] = data['badgeclass'].issuer
return data
class BadgeClassSerializerV2(DetailSerializerV2, OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = DateTimeWithUtcZAtEndField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
name = StripTagsCharField(max_length=1024)
image = ValidImageField(required=False)
description = StripTagsCharField(max_length=16384,
required=True,
convert_null=True)
criteriaUrl = StripTagsCharField(source='criteria_url',
required=False,
allow_null=True,
validators=[URLValidator()])
criteriaNarrative = MarkdownCharField(source='criteria_text',
required=False,
allow_null=True)
alignments = AlignmentItemSerializerV2(source='alignment_items',
many=True,
required=False)
tags = serializers.ListField(child=StripTagsCharField(max_length=1024),
source='tag_items',
required=False)
expires = BadgeClassExpirationSerializerV2(source='*',
required=False,
allow_null=True)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
class Meta(DetailSerializerV2.Meta):
model = BadgeClass
apispec_definition = ('BadgeClass', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this BadgeClass",
'readOnly': True,
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"BadgeClass\"",
'readOnly': True,
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
'readOnly': True,
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the BadgeClass was created",
'readOnly': True,
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created this BadgeClass",
'readOnly': True,
}),
('issuer', {
'type': 'string',
'format': 'entityId',
'description':
"entityId of the Issuer who owns the BadgeClass",
'required': False,
}),
('name', {
'type': "string",
'format': "string",
'description': "Name of the BadgeClass",
'required': True,
}),
('description', {
'type': "string",
'format': "string",
'description': "Short description of the BadgeClass",
'required': True,
}),
('image', {
'type': "string",
'format': "data:image/png;base64",
'description':
"Base64 encoded string of an image that represents the BadgeClass.",
'required': False,
}),
('criteriaUrl', {
'type': "string",
'format': "url",
'description':
"External URL that describes in a human-readable format the criteria for the BadgeClass",
'required': False,
}),
('criteriaNarrative', {
'type': "string",
'format': "markdown",
'description':
"Markdown formatted description of the criteria",
'required': False,
}),
('tags', {
'type': "array",
'items': {
'type': "string",
'format': "string"
},
'description': "List of tags that describe the BadgeClass",
'required': False,
}),
('alignments', {
'type': "array",
'items': {
'$ref': '#/definitions/BadgeClassAlignment'
},
'description':
"List of objects describing objectives or educational standards",
'required': False,
}),
('expires', {
'$ref': "#/definitions/BadgeClassExpiration",
'description':
"Expiration period for Assertions awarded from this BadgeClass",
'required': False,
}),
])
})
def to_internal_value(self, data):
if not isinstance(data, BadgeClass) and 'expires' in data:
if not data['expires'] or len(data['expires']) == 0:
# if expires was included blank, remove it so to_internal_value() doesnt choke
del data['expires']
return super(BadgeClassSerializerV2, self).to_internal_value(data)
def update(self, instance, validated_data):
if 'cached_issuer' in validated_data:
validated_data.pop('cached_issuer') # issuer is not updatable
if 'image' in validated_data:
self.context['save_kwargs'] = dict(force_resize=True)
if not IsEditor().has_object_permission(self.context.get('request'),
None, instance.issuer):
raise serializers.ValidationError({
"issuer":
"You do not have permission to edit badges on this issuer."
})
return super(BadgeClassSerializerV2,
self).update(instance, validated_data)
def create(self, validated_data):
if 'image' not in validated_data:
raise serializers.ValidationError(
{'image': 'Valid image file or data URI required.'})
if 'cached_issuer' in validated_data:
# included issuer in request
validated_data['issuer'] = validated_data.pop('cached_issuer')
elif 'issuer' in self.context:
# issuer was passed in context
validated_data['issuer'] = self.context.get('issuer')
else:
# issuer is required on create
raise serializers.ValidationError(
{"issuer": "This field is required"})
if not IsEditor().has_object_permission(
self.context.get('request'), None, validated_data['issuer']):
raise serializers.ValidationError({
"issuer":
"You do not have permission to edit badges on this issuer."
})
return super(BadgeClassSerializerV2, self).create(validated_data)
class IssuerSerializerV2(DetailSerializerV2, OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = serializers.DateTimeField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
name = StripTagsCharField(max_length=1024)
image = ValidImageField(required=False)
email = serializers.EmailField(max_length=255, required=True)
description = StripTagsCharField(max_length=16384, required=False)
url = serializers.URLField(max_length=1024, required=True)
staff = IssuerStaffSerializerV2(many=True,
source='staff_items',
required=False)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
class Meta(DetailSerializerV2.Meta):
model = Issuer
apispec_definition = ('Issuer', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Issuer",
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Issuer\"",
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Issuer was created",
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created this Issuer",
}),
('name', {
'type': "string",
'format': "string",
'description': "Name of the Issuer",
}),
('image', {
'type':
"string",
'format':
"data:image/png;base64",
'description':
"Base64 encoded string of an image that represents the Issuer",
}),
('email', {
'type': "string",
'format': "email",
'description': "Contact email for the Issuer",
}),
('url', {
'type':
"string",
'format':
"url",
'description':
"Homepage or website associated with the Issuer",
}),
('description', {
'type': "string",
'format': "text",
'description': "Short description of the Issuer",
}),
])
})
def validate_image(self, image):
if image is not None:
img_name, img_ext = os.path.splitext(image.name)
image.name = 'issuer_logo_' + str(uuid.uuid4()) + img_ext
return image
def create(self, validated_data):
staff = validated_data.pop('staff_items', [])
new_issuer = super(IssuerSerializerV2, self).create(validated_data)
# update staff after issuer is created
new_issuer.staff_items = staff
# set badgrapp
new_issuer.badgrapp = BadgrApp.objects.get_current(
self.context.get('request', None))
return new_issuer
class BadgeInstanceSerializerV2(DetailSerializerV2,
OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = serializers.DateTimeField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
badgeclass = EntityRelatedFieldV2(source='cached_badgeclass',
required=False,
queryset=BadgeClass.cached)
badgeclassOpenBadgeId = CachedUrlHyperlinkedRelatedField(
source='badgeclass_jsonld_id',
view_name='badgeclass_json',
lookup_field='entity_id',
queryset=BadgeClass.cached,
required=False)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
image = serializers.FileField(read_only=True)
recipient = BadgeRecipientSerializerV2(source='*', required=False)
issuedOn = serializers.DateTimeField(source='issued_on', required=False)
narrative = MarkdownCharField(required=False, allow_null=True)
evidence = EvidenceItemSerializerV2(source='evidence_items',
many=True,
required=False)
revoked = HumanReadableBooleanField(read_only=True)
revocationReason = serializers.CharField(source='revocation_reason',
read_only=True)
expires = serializers.DateTimeField(source='expires_at',
required=False,
allow_null=True)
notify = HumanReadableBooleanField(write_only=True,
required=False,
default=False)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
class Meta(DetailSerializerV2.Meta):
model = BadgeInstance
apispec_definition = ('Assertion', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Assertion",
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Assertion\"",
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion was created",
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created the Assertion",
}),
('badgeclass', {
'type': 'string',
'format': 'entityId',
'description': "BadgeClass that issued this Assertion",
}),
('badgeclassOpenBadgeId', {
'type': 'string',
'format': 'url',
'description': "URL of the BadgeClass to award",
}),
('revoked', {
'type': 'boolean',
'description': "True if this Assertion has been revoked",
}),
('revocationReason', {
'type':
'string',
'format':
"string",
'description':
"Short description of why the Assertion was revoked",
}),
('image', {
'type': 'string',
'format': 'url',
'description': "URL to the baked assertion image",
}),
('issuedOn', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion was issued",
}),
('narrative', {
'type': 'string',
'format': 'markdown',
'description': "Markdown narrative of the achievement",
}),
('evidence', {
'type':
'array',
'items': {
'$ref': '#/definitions/AssertionEvidence'
},
'description':
"List of evidence associated with the achievement"
}),
('recipient', {
'type':
'object',
'properties':
OrderedDict([
('identity', {
'type':
'string',
'format':
'string',
'description':
'Either the hash of the identity or the plaintext value'
}),
('type', {
'type':
'string',
'enum': [
c[0]
for c in BadgeInstance.RECIPIENT_TYPE_CHOICES
],
'description':
"Type of identifier used to identify recipient"
}),
('hashed', {
'type':
'boolean',
'description':
"Whether or not the identity value is hashed."
}),
('plaintextIdentity', {
'type': 'string',
'description': "The plaintext identity"
}),
]),
'description':
"Recipient that was issued the Assertion"
}),
('expires', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion expires",
}),
])
})
def update(self, instance, validated_data):
updateable_fields = [
'evidence_items', 'expires_at', 'extension_items', 'hashed',
'issued_on', 'narrative', 'recipient_identifier', 'recipient_type'
]
for field_name in updateable_fields:
if field_name in validated_data:
setattr(instance, field_name, validated_data.get(field_name))
instance.save()
instance.rebake()
return instance
def validate(self, data):
request = self.context.get('request', None)
if request and request.method != 'PUT':
# recipient and badgeclass are only required on create, ignored on update
if 'recipient_identifier' not in data:
raise serializers.ValidationError(
{'recipient_identifier': ["This field is required"]})
if 'cached_badgeclass' in data:
# included badgeclass in request
data['badgeclass'] = data.pop('cached_badgeclass')
elif 'badgeclass' in self.context:
# badgeclass was passed in context
data['badgeclass'] = self.context.get('badgeclass')
elif 'badgeclass_jsonld_id' in data:
data['badgeclass'] = data.pop('badgeclass_jsonld_id')
else:
raise serializers.ValidationError(
{"badgeclass": ["This field is required"]})
expected_issuer = self.context.get('kwargs', {}).get('issuer')
if expected_issuer and data['badgeclass'].issuer != expected_issuer:
raise serializers.ValidationError({
"badgeclass":
["Could not find matching badgeclass for this issuer."]
})
if 'badgeclass' in data:
data['issuer'] = data['badgeclass'].issuer
return data
class BadgeClassSerializerV2(DetailSerializerV2, OriginalJsonSerializerMixin):
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
createdAt = serializers.DateTimeField(source='created_at', read_only=True)
createdBy = EntityRelatedFieldV2(source='cached_creator', read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
name = StripTagsCharField(max_length=1024)
image = ValidImageField(required=False)
description = StripTagsCharField(max_length=16384,
required=True,
convert_null=True)
criteriaUrl = StripTagsCharField(source='criteria_url',
required=False,
allow_null=True,
validators=[URLValidator()])
criteriaNarrative = MarkdownCharField(source='criteria_text',
required=False,
allow_null=True)
alignments = AlignmentItemSerializerV2(source='alignment_items',
many=True,
required=False)
tags = serializers.ListField(child=StripTagsCharField(max_length=1024),
source='tag_items',
required=False)
extensions = serializers.DictField(source='extension_items',
required=False,
validators=[BadgeExtensionValidator()])
class Meta(DetailSerializerV2.Meta):
model = BadgeClass
apispec_definition = ('BadgeClass', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this BadgeClass",
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"BadgeClass\"",
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
}),
('createdAt', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the BadgeClass was created",
}),
('createdBy', {
'type': 'string',
'format': 'entityId',
'description': "BadgeUser who created this BadgeClass",
}),
('issuer', {
'type':
'string',
'format':
'entityId',
'description':
"entityId of the Issuer who owns the BadgeClass",
}),
('name', {
'type': "string",
'format': "string",
'description': "Name of the BadgeClass",
}),
('description', {
'type': "string",
'format': "string",
'description': "Short description of the BadgeClass",
}),
('image', {
'type':
"string",
'format':
"data:image/png;base64",
'description':
"Base64 encoded string of an image that represents the BadgeClass.",
}),
('criteriaUrl', {
'type':
"string",
'format':
"url",
'description':
"External URL that describes in a human-readable format the criteria for the BadgeClass"
}),
('criteriaNarrative', {
'type':
"string",
'format':
"markdown",
'description':
"Markdown formatted description of the criteria"
}),
('tags', {
'type': "array",
'items': {
'type': "string",
'format': "string"
},
'description': "List of tags that describe the BadgeClass"
}),
('alignments', {
'type':
"array",
'items': {
'$ref': '#/definitions/BadgeClassAlignment'
},
'description':
"List of objects describing objectives or educational standards"
}),
])
})
def update(self, instance, validated_data):
if 'cached_issuer' in validated_data:
validated_data.pop('cached_issuer') # issuer is not updatable
return super(BadgeClassSerializerV2,
self).update(instance, validated_data)
def create(self, validated_data):
if 'cached_issuer' in validated_data:
# included issuer in request
validated_data['issuer'] = validated_data.pop('cached_issuer')
elif 'issuer' in self.context:
# issuer was passed in context
validated_data['issuer'] = self.context.get('issuer')
else:
# issuer is required on create
raise serializers.ValidationError(
{"issuer": "This field is required"})
return super(BadgeClassSerializerV2, self).create(validated_data)
class BackpackAssertionSerializerV2(DetailSerializerV2,
OriginalJsonSerializerMixin):
acceptance = serializers.ChoiceField(
choices=BadgeInstance.ACCEPTANCE_CHOICES,
default=BadgeInstance.ACCEPTANCE_ACCEPTED)
# badgeinstance
openBadgeId = serializers.URLField(source='jsonld_id', read_only=True)
badgeclass = EntityRelatedFieldV2(source='cached_badgeclass',
required=False,
queryset=BadgeClass.cached)
badgeclassOpenBadgeId = serializers.URLField(source='badgeclass_jsonld_id',
read_only=True)
issuer = EntityRelatedFieldV2(source='cached_issuer',
required=False,
queryset=Issuer.cached)
issuerOpenBadgeId = serializers.URLField(source='issuer_jsonld_id',
read_only=True)
image = serializers.FileField(read_only=True)
recipient = BadgeRecipientSerializerV2(source='*')
issuedOn = DateTimeWithUtcZAtEndField(source='issued_on', read_only=True)
narrative = MarkdownCharField(required=False)
evidence = EvidenceItemSerializerV2(many=True, required=False)
revoked = HumanReadableBooleanField(read_only=True)
revocationReason = serializers.CharField(source='revocation_reason',
read_only=True)
expires = DateTimeWithUtcZAtEndField(source='expires_at', required=False)
pending = serializers.ReadOnlyField()
class Meta(DetailSerializerV2.Meta):
model = BadgeInstance
apispec_definition = ('BackpackAssertion', {
'properties':
OrderedDict([
('entityId', {
'type': "string",
'format': "string",
'description': "Unique identifier for this Issuer",
'readOnly': True,
}),
('entityType', {
'type': "string",
'format': "string",
'description': "\"Issuer\"",
'readOnly': True,
}),
('openBadgeId', {
'type': "string",
'format': "url",
'description': "URL of the OpenBadge compliant json",
'readOnly': True,
}),
('badgeclass', {
'type': 'string',
'format': 'entityId',
'description': "BadgeClass that issued this Assertion",
'required': False,
}),
('badgeclassOpenBadgeId', {
'type': 'string',
'format': 'url',
'description': "URL of the BadgeClass to award",
'readOnly': True,
}),
('image', {
'type': 'string',
'format': 'url',
'description': "URL to the baked assertion image",
'readOnly': True,
}),
('recipient', {
'type':
'object',
'properties':
OrderedDict([
('identity', {
'type': 'string',
'format': 'string',
'description':
'Either the hash of the identity or the plaintext value',
'required': True,
}),
('type', {
'type':
'string',
'enum': [
c[0]
for c in BadgeInstance.RECIPIENT_TYPE_CHOICES
],
'description':
"Type of identifier used to identify recipient",
'required':
False,
}),
('hashed', {
'type': 'boolean',
'description':
"Whether or not the identity value is hashed.",
'required': False,
}),
('plaintextIdentity', {
'type': 'string',
'description': "The plaintext identity",
'required': False,
}),
]),
'description':
"Recipient that was issued the Assertion",
'required':
True,
}),
('issuedOn', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion was issued",
'required': True,
}),
('narrative', {
'type': 'string',
'format': 'markdown',
'description': "Markdown narrative of the achievement",
'required': False,
}),
('evidence', {
'type': 'array',
'items': {
'$ref': '#/definitions/AssertionEvidence'
},
'description':
"List of evidence associated with the achievement",
'required': False,
}),
('revoked', {
'type': 'boolean',
'description': "True if this Assertion has been revoked",
'readOnly': True,
}),
('revocationReason', {
'type': 'string',
'format': "string",
'description':
"Short description of why the Assertion was revoked",
'readOnly': True,
}),
('expires', {
'type': 'string',
'format': 'ISO8601 timestamp',
'description': "Timestamp when the Assertion expires",
'required': False,
}),
])
})
def to_representation(self, instance):
representation = super(BackpackAssertionSerializerV2,
self).to_representation(instance)
request_kwargs = self.context['kwargs']
expands = request_kwargs.get('expands', [])
if self.parent is not None:
# we'll have a bare representation
instance_data_pointer = representation
else:
instance_data_pointer = representation['result'][0]
if 'badgeclass' in expands:
instance_data_pointer[
'badgeclass'] = instance.cached_badgeclass.get_json(
include_extra=True, use_canonical_id=True)
if 'issuer' in expands:
instance_data_pointer['badgeclass'][
'issuer'] = instance.cached_issuer.get_json(
include_extra=True, use_canonical_id=True)
return representation
