def save_agent_profile(self, profile):
"""Save an agent profile doc to the LRS
:param profile: Agent profile doc to be saved
:type profile: :class:`tincan.documents.agent_profile_document.AgentProfileDocument`
:return: LRS Response object with the saved agent profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="PUT",
resource="agents/profile",
content=profile.content,
)
if profile.content_type is not None:
request.headers["Content-Type"] = profile.content_type
else:
request.headers["Content-Type"] = "application/octet-stream"
if profile.etag is not None:
request.headers["If-Match"] = profile.etag
request.query_params = {
"profileId": profile.id,
"agent": profile.agent.to_json(self.version)
}
lrs_response = self._send_request(request)
lrs_response.content = profile
return lrs_response
def retrieve_activity_profile_ids(self, activity, since=None):
"""Retrieve activity profile id(s) with the specified parameters
:param activity: Activity object of desired activity profiles
:type activity: :class:`tincan.activity.Activity`
:param since: Retrieve activity profile id's since this time
:type since: str | unicode
:return: LRS Response object with list of retrieved activity profile id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
request = HTTPRequest(method="GET", resource="activities/profile")
request.query_params["activityId"] = activity.id
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def save_statements(self, statements):
"""Save statements to LRS and update their statement id's
:param statements: A list of statement objects to be saved
:type statements: :class:`StatementList`
:return: LRS Response object with the saved list of statements as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(statements, StatementList):
statements = StatementList(statements)
request = HTTPRequest(method="POST", resource="statements")
request.headers["Content-Type"] = "application/json"
request.content = statements.to_json()
lrs_response = self._send_request(request)
if lrs_response.success:
id_list = json.loads(lrs_response.data)
for s, statement_id in zip(statements, id_list):
s.id = statement_id
lrs_response.content = statements
return lrs_response
def save_statement(self, statement):
"""Save statement to LRS and update statement id if necessary
:param statement: Statement object to be saved
:type statement: :class:`tincan.statement.Statement`
:return: LRS Response object with the saved statement as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(statement, Statement):
statement = Statement(statement)
request = HTTPRequest(
method="POST",
resource="statements"
)
if statement.id is not None:
request.method = "PUT"
request.query_params["statementId"] = statement.id
request.headers["Content-Type"] = "application/json"
request.content = statement.to_json(self.version)
lrs_response = self._send_request(request)
if lrs_response.success:
if statement.id is None:
statement.id = json.loads(lrs_response.data)[0]
lrs_response.content = statement
return lrs_response
def save_statements(self, statements):
"""Save statements to LRS and update their statement id's
:param statements: A list of statement objects to be saved
:type statements: :class:`StatementList`
:return: LRS Response object with the saved list of statements as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(statements, StatementList):
statements = StatementList(statements)
request = HTTPRequest(
method="POST",
resource="statements"
)
request.headers["Content-Type"] = "application/json"
request.content = statements.to_json()
lrs_response = self._send_request(request)
if lrs_response.success:
id_list = json.loads(lrs_response.data)
for s, statement_id in zip(statements, id_list):
s.id = statement_id
lrs_response.content = statements
return lrs_response
def retrieve_activity_profile_ids(self, activity, since=None):
"""Retrieve activity profile id(s) with the specified parameters
:param activity: Activity object of desired activity profiles
:type activity: :class:`tincan.activity.Activity`
:param since: Retrieve activity profile id's since this time
:type since: str | unicode
:return: LRS Response object with list of retrieved activity profile id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
request = HTTPRequest(
method="GET",
resource="activities/profile"
)
request.query_params["activityId"] = activity.id
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def retrieve_activity_profile(self, activity, profile_id):
"""Retrieve activity profile with the specified parameters
:param activity: Activity object of the desired activity profile
:type activity: :class:`tincan.activity.Activity`
:param profile_id: UUID of the desired profile
:type profile_id: str | unicode
:return: LRS Response object with an activity profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
request = HTTPRequest(method="GET",
resource="activities/profile",
ignore404=True)
request.query_params = {
"profileId": profile_id,
"activityId": activity.id
}
lrs_response = self._send_request(request)
if lrs_response.success:
doc = ActivityProfileDocument(id=profile_id,
content=lrs_response.data,
activity=activity)
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers[
"lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def retrieve_agent_profile(self, agent, profile_id):
"""Retrieve agent profile with the specified parameters
:param agent: Agent object of the desired agent profile
:type agent: :class:`tincan.agent.Agent`
:param profile_id: UUID of the desired agent profile
:type profile_id: str | unicode
:return: LRS Response object with an agent profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(method="GET",
resource="agents/profile",
ignore404=True)
request.query_params = {
"profileId": profile_id,
"agent": agent.to_json(self.version)
}
lrs_response = self._send_request(request)
if lrs_response.success:
doc = AgentProfileDocument(id=profile_id,
content=lrs_response.data,
agent=agent)
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers[
"lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def retrieve_agent_profile_ids(self, agent, since=None):
"""Retrieve agent profile id(s) with the specified parameters
:param agent: Agent object of desired agent profiles
:type agent: :class:`tincan.agent.Agent`
:param since: Retrieve agent profile id's since this time
:type since: str | unicode
:return: LRS Response object with list of retrieved agent profile id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(method="GET", resource="agents/profile")
request.query_params["agent"] = agent.to_json(self.version)
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def retrieve_state_ids(self,
activity,
agent,
registration=None,
since=None):
"""Retrieve state id's from the LRS with the provided parameters
:param activity: Activity object of desired states
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of desired states
:type agent: :class:`tincan.agent.Agent`
:param registration: Registration UUID of desired states
:type registration: str | unicode
:param since: Retrieve state id's since this time
:type since: str | unicode
:return: LRS Response object with the retrieved state id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(method="GET", resource="activities/state")
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version)
}
if registration is not None:
request.query_params["registration"] = registration
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def query_statements(self, query):
"""Query the LRS for statements with specified parameters
:param query: Dictionary of query parameters and their values
:type query: dict
:return: LRS Response object with the returned StatementsResult object as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
.. note::
Optional query parameters are\n
**statementId:** (*str*) ID of the Statement to fetch
**voidedStatementId:** (*str*) ID of the voided Statement to fetch
**agent:** (*Agent* |*Group*) Filter to return Statements for which the
specified Agent or Group is the Actor
**verb:** (*Verb id IRI*) Filter to return Statements matching the verb id
**activity:** (*Activity id IRI*) Filter to return Statements for which the
specified Activity is the Object
**registration:** (*UUID*) Filter to return Statements matching the specified registration ID
**related_activities:** (*bool*) Include Statements for which the Object,
Context Activities or any Sub-Statement
properties match the specified Activity
**related_agents:** (*bool*) Include Statements for which the Actor, Object,
Authority, Instructor, Team, or any Sub-Statement properties match the specified Agent
**since:** (*datetime*) Filter to return Statements stored since the specified datetime
**until:** (*datetime*) Filter to return Statements stored at or before the specified datetime
**limit:** (*positive int*) Allow <limit> Statements to be returned. 0 indicates the
maximum supported by the LRS
**format:** (*str* {"ids"|"exact"|"canonical"}) Manipulates how the LRS handles
importing and returning the statements
**attachments:** (*bool*) If true, the LRS will use multipart responses and include
all attachment data per Statement returned.
Otherwise, application/json is used and no attachment information will be returned
**ascending:** (*bool*) If true, the LRS will return results in ascending order of
stored time (oldest first)
"""
params = {}
param_keys = [
"registration",
"since",
"until",
"limit",
"ascending",
"related_activities",
"related_agents",
"format",
"attachments",
]
for k, v in query.items():
if v is not None:
if k == "agent":
params[k] = v.to_json(self.version)
elif k == "verb" or k == "activity":
params[k] = v.id
elif k in param_keys:
params[k] = v
request = HTTPRequest(method="GET", resource="statements")
request.query_params = params
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = StatementsResult.from_json(
lrs_response.data)
return lrs_response
def save_state(self, state):
"""Save a state doc to the LRS
:param state: State document to be saved
:type state: :class:`tincan.documents.state_document.StateDocument`
:return: LRS Response object with saved state as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="PUT",
resource="activities/state",
content=state.content,
)
if state.content_type is not None:
request.headers["Content-Type"] = state.content_type
else:
request.headers["Content-Type"] = "application/octet-stream"
if state.etag is not None:
request.headers["If-Match"] = state.etag
request.query_params = {
"stateId": state.id,
"activityId": state.activity.id,
"agent": state.agent.to_json(self.version)
}
lrs_response = self._send_request(request)
lrs_response.content = state
return self._send_request(request)
def retrieve_agent_profile_ids(self, agent, since=None):
"""Retrieve agent profile id(s) with the specified parameters
:param agent: Agent object of desired agent profiles
:type agent: :class:`tincan.agent.Agent`
:param since: Retrieve agent profile id's since this time
:type since: str | unicode
:return: LRS Response object with list of retrieved agent profile id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="GET",
resource="agents/profile"
)
request.query_params["agent"] = agent.to_json(self.version)
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def retrieve_state(self, activity, agent, state_id, registration=None):
"""Retrieve state from LRS with the provided parameters
:param activity: Activity object of desired state
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of desired state
:type agent: :class:`tincan.agent.Agent`
:param state_id: UUID of desired state
:type state_id: str | unicode
:param registration: registration UUID of desired state
:type registration: str | unicode
:return: LRS Response object with retrieved state document as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="GET",
resource="activities/state",
ignore404=True
)
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version),
"stateId": state_id
}
if registration is not None:
request.query_params["registration"] = registration
lrs_response = self._send_request(request)
if lrs_response.success:
doc = StateDocument(
id=state_id,
content=lrs_response.data,
activity=activity,
agent=agent
)
if registration is not None:
doc.registration = registration
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers["lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def retrieve_state(self, activity, agent, state_id, registration=None):
"""Retrieve state from LRS with the provided parameters
:param activity: Activity object of desired state
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of desired state
:type agent: :class:`tincan.agent.Agent`
:param state_id: UUID of desired state
:type state_id: str | unicode
:param registration: registration UUID of desired state
:type registration: str | unicode
:return: LRS Response object with retrieved state document as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="GET",
resource="activities/state",
ignore404=True
)
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version),
"stateId": state_id
}
if registration is not None:
request.query_params["registration"] = registration
lrs_response = self._send_request(request)
if lrs_response.success:
doc = StateDocument(
id=state_id,
content=lrs_response.data,
activity=activity,
agent=agent
)
if registration is not None:
doc.registration = registration
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers["lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def retrieve_voided_statement(self, statement_id):
"""Retrieve a voided statement from the server from its id
:param statement_id: The UUID of the desired voided statement
:type statement_id: str | unicode
:return: LRS Response object with the retrieved voided statement as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(method="GET", resource="statements")
request.query_params["voidedStatementId"] = statement_id
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = Statement.from_json(lrs_response.data)
return lrs_response
def delete_agent_profile(self, profile):
"""Delete agent profile doc from LRS
:param profile: Agent profile document to be deleted
:type profile: :class:`tincan.documents.agent_profile_document.AgentProfileDocument`
:return: LRS Response object
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(method="DELETE", resource="agents/profile")
request.query_params = {
"profileId": profile.id,
"agent": profile.agent.to_json(self.version)
}
if profile.etag is not None:
request.headers["If-Match"] = profile.etag
return self._send_request(request)
def _delete_state(self, activity, agent, state_id=None, registration=None, etag=None):
"""Private method to delete a specified state from the LRS
:param activity: Activity object of state to be deleted
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of state to be deleted
:type agent: :class:`tincan.agent.Agent`
:param state_id: UUID of state to be deleted
:type state_id: str | unicode
:param registration: registration UUID of state to be deleted
:type registration: str | unicode
:param etag: etag of state to be deleted
:type etag: str | unicode
:return: LRS Response object with deleted state as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="DELETE",
resource="activities/state"
)
if etag is not None:
request.headers["If-Match"] = etag
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version)
}
if state_id is not None:
request.query_params["stateId"] = state_id
if registration is not None:
request.query_params["registration"] = registration
lrs_response = self._send_request(request)
return lrs_response
def about(self):
"""Gets about response from LRS
:return: LRS Response object with the returned LRS about object as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(method="GET", resource="about")
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = About.from_json(lrs_response.data)
return lrs_response
def query_statements(self, query):
"""Query the LRS for statements with specified parameters
:param query: Dictionary of query parameters and their values
:type query: dict
:return: LRS Response object with the returned StatementsResult object as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
params = {}
param_keys = [
"registration",
"since",
"until",
"limit",
"ascending",
"related_activities",
"related_agents",
"format",
"attachments",
]
for k, v in query.iteritems():
if v is not None:
if k == "agent":
params[k] = v.to_json(self.version)
elif k == "verb" or k == "activity":
params[k] = v.id
elif k in param_keys:
params[k] = v
request = HTTPRequest(
method="GET",
resource="statements"
)
request.query_params = params
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = StatementsResult.from_json(lrs_response.data)
return lrs_response
def retrieve_agent_profile(self, agent, profile_id):
"""Retrieve agent profile with the specified parameters
:param agent: Agent object of the desired agent profile
:type agent: :class:`tincan.agent.Agent`
:param profile_id: UUID of the desired agent profile
:type profile_id: str | unicode
:return: LRS Response object with an agent profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="GET",
resource="agents/profile",
ignore404=True
)
request.query_params = {
"profileId": profile_id,
"agent": agent.to_json(self.version)
}
lrs_response = self._send_request(request)
if lrs_response.success:
doc = AgentProfileDocument(
id=profile_id,
content=lrs_response.data,
agent=agent
)
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers["lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def retrieve_voided_statement(self, statement_id):
"""Retrieve a voided statement from the server from its id
:param statement_id: The UUID of the desired voided statement
:type statement_id: str | unicode
:return: LRS Response object with the retrieved voided statement as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="GET",
resource="statements"
)
request.query_params["voidedStatementId"] = statement_id
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = Statement.from_json(lrs_response.data)
return lrs_response
def retrieve_activity_profile(self, activity, profile_id):
"""Retrieve activity profile with the specified parameters
:param activity: Activity object of the desired activity profile
:type activity: :class:`tincan.activity.Activity`
:param profile_id: UUID of the desired profile
:type profile_id: str | unicode
:return: LRS Response object with an activity profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
request = HTTPRequest(
method="GET",
resource="activities/profile",
ignore404=True
)
request.query_params = {
"profileId": profile_id,
"activityId": activity.id
}
lrs_response = self._send_request(request)
if lrs_response.success:
doc = ActivityProfileDocument(
id=profile_id,
content=lrs_response.data,
activity=activity
)
headers = lrs_response.response.getheaders()
if "lastModified" in headers and headers["lastModified"] is not None:
doc.timestamp = headers["lastModified"]
if "contentType" in headers and headers["contentType"] is not None:
doc.content_type = headers["contentType"]
if "etag" in headers and headers["etag"] is not None:
doc.etag = headers["etag"]
lrs_response.content = doc
return lrs_response
def delete_agent_profile(self, profile):
"""Delete agent profile doc from LRS
:param profile: Agent profile document to be deleted
:type profile: :class:`tincan.documents.agent_profile_document.AgentProfileDocument`
:return: LRS Response object
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="DELETE",
resource="agents/profile"
)
request.query_params = {
"profileId": profile.id,
"agent": profile.agent.to_json(self.version)
}
if profile.etag is not None:
request.headers["If-Match"] = profile.etag
return self._send_request(request)
def save_agent_profile(self, profile):
"""Save an agent profile doc to the LRS
:param profile: Agent profile doc to be saved
:type profile: :class:`tincan.documents.agent_profile_document.AgentProfileDocument`
:return: LRS Response object with the saved agent profile doc as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="PUT",
resource="agents/profile",
content=profile.content,
)
if profile.content_type is not None:
request.headers["Content-Type"] = profile.content_type
else:
request.headers["Content-Type"] = "application/octet-stream"
if profile.etag is not None:
request.headers["If-Match"] = profile.etag
request.query_params = {
"profileId": profile.id,
"agent": profile.agent.to_json(self.version)
}
lrs_response = self._send_request(request)
lrs_response.content = profile
return lrs_response
def save_state(self, state):
"""Save a state doc to the LRS
:param state: State document to be saved
:type state: :class:`tincan.documents.state_document.StateDocument`
:return: LRS Response object with saved state as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
request = HTTPRequest(
method="PUT",
resource="activities/state",
content=state.content,
)
if state.content_type is not None:
request.headers["Content-Type"] = state.content_type
else:
request.headers["Content-Type"] = "application/octet-stream"
if state.etag is not None:
request.headers["If-Match"] = state.etag
request.query_params = {
"stateId": state.id,
"activityId": state.activity.id,
"agent": state.agent.to_json(self.version)
}
lrs_response = self._send_request(request)
lrs_response.content = state
return self._send_request(request)
def save_statement(self, statement):
"""Save statement to LRS and update statement id if necessary
:param statement: Statement object to be saved
:type statement: :class:`tincan.statement.Statement`
:return: LRS Response object with the saved statement as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(statement, Statement):
statement = Statement(statement)
request = HTTPRequest(method="POST", resource="statements")
if statement.id is not None:
request.method = "PUT"
request.query_params["statementId"] = statement.id
request.headers["Content-Type"] = "application/json"
request.content = statement.to_json(self.version)
lrs_response = self._send_request(request)
if lrs_response.success:
if statement.id is None:
statement.id = json.loads(lrs_response.data)[0]
lrs_response.content = statement
return lrs_response
def retrieve_state_ids(self, activity, agent, registration=None, since=None):
"""Retrieve state id's from the LRS with the provided parameters
:param activity: Activity object of desired states
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of desired states
:type agent: :class:`tincan.agent.Agent`
:param registration: Registration UUID of desired states
:type registration: str | unicode
:param since: Retrieve state id's since this time
:type since: str | unicode
:return: LRS Response object with the retrieved state id's as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(
method="GET",
resource="activities/state"
)
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version)
}
if registration is not None:
request.query_params["registration"] = registration
if since is not None:
request.query_params["since"] = since
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = json.loads(lrs_response.data)
return lrs_response
def more_statements(self, more_url):
"""Query the LRS for more statements
:param more_url: URL from a StatementsResult object used to retrieve more statements
:type more_url: str | unicode
:return: LRS Response object with the returned StatementsResult object as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if isinstance(more_url, StatementsResult):
more_url = more_url.more
more_url = self.get_endpoint_server_root() + more_url
request = HTTPRequest(method="GET", resource=more_url)
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = StatementsResult.from_json(
lrs_response.data)
return lrs_response
def _delete_state(self,
activity,
agent,
state_id=None,
registration=None,
etag=None):
"""Private method to delete a specified state from the LRS
:param activity: Activity object of state to be deleted
:type activity: :class:`tincan.activity.Activity`
:param agent: Agent object of state to be deleted
:type agent: :class:`tincan.agent.Agent`
:param state_id: UUID of state to be deleted
:type state_id: str | unicode
:param registration: registration UUID of state to be deleted
:type registration: str | unicode
:param etag: etag of state to be deleted
:type etag: str | unicode
:return: LRS Response object with deleted state as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
"""
if not isinstance(activity, Activity):
activity = Activity(activity)
if not isinstance(agent, Agent):
agent = Agent(agent)
request = HTTPRequest(method="DELETE", resource="activities/state")
if etag is not None:
request.headers["If-Match"] = etag
request.query_params = {
"activityId": activity.id,
"agent": agent.to_json(self.version)
}
if state_id is not None:
request.query_params["stateId"] = state_id
if registration is not None:
request.query_params["registration"] = registration
lrs_response = self._send_request(request)
return lrs_response
def query_statements(self, query):
"""Query the LRS for statements with specified parameters
:param query: Dictionary of query parameters and their values
:type query: dict
:return: LRS Response object with the returned StatementsResult object as content
:rtype: :class:`tincan.lrs_response.LRSResponse`
.. note::
Optional query parameters are\n
**statementId:** (*str*) ID of the Statement to fetch
**voidedStatementId:** (*str*) ID of the voided Statement to fetch
**agent:** (*Agent* |*Group*) Filter to return Statements for which the
specified Agent or Group is the Actor
**verb:** (*Verb id IRI*) Filter to return Statements matching the verb id
**activity:** (*Activity id IRI*) Filter to return Statements for which the
specified Activity is the Object
**registration:** (*UUID*) Filter to return Statements matching the specified registration ID
**related_activities:** (*bool*) Include Statements for which the Object,
Context Activities or any Sub-Statement
properties match the specified Activity
**related_agents:** (*bool*) Include Statements for which the Actor, Object,
Authority, Instructor, Team, or any Sub-Statement properties match the specified Agent
**since:** (*datetime*) Filter to return Statements stored since the specified datetime
**until:** (*datetime*) Filter to return Statements stored at or before the specified datetime
**limit:** (*positive int*) Allow <limit> Statements to be returned. 0 indicates the
maximum supported by the LRS
**format:** (*str* {"ids"|"exact"|"canonical"}) Manipulates how the LRS handles
importing and returning the statements
**attachments:** (*bool*) If true, the LRS will use multipart responses and include
all attachment data per Statement returned.
Otherwise, application/json is used and no attachment information will be returned
**ascending:** (*bool*) If true, the LRS will return results in ascending order of
stored time (oldest first)
"""
params = {}
param_keys = [
"registration",
"since",
"until",
"limit",
"ascending",
"related_activities",
"related_agents",
"format",
"attachments",
]
for k, v in query.iteritems():
if v is not None:
if k == "agent":
params[k] = v.to_json(self.version)
elif k == "verb" or k == "activity":
params[k] = v.id
elif k in param_keys:
params[k] = v
request = HTTPRequest(
method="GET",
resource="statements"
)
request.query_params = params
lrs_response = self._send_request(request)
if lrs_response.success:
lrs_response.content = StatementsResult.from_json(lrs_response.data)
return lrs_response
def request(self, value):
if value is not None and not isinstance(value, HTTPRequest):
value = HTTPRequest(value)
self._request = value
