Class: PlatformSdk::CanvasApiWrapper::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/platform_sdk/canvas_api/client.rb

Overview

DataPipeline::Client

Constant Summary collapse

PAGE_SIZE =
10
DEFAULT_RETRY_OPTIONS =

Retries are scoped to Canvas's 429 throttle and nothing else.

retry_statuses is implemented by raising the synthetic Faraday::RetriableResponse, so that class has to stay in exceptions for a 429 to be retried at all -- an empty list would let it escape to the caller instead. Naming it as the only entry is what drops faraday-retry's default Errno::ETIMEDOUT, Timeout::Error and Faraday::TimeoutError: a timed-out request may already have been applied by Canvas, and replaying it is not safe for every endpoint here. update_submission_excused_with_comment PUTs a submission_comments entry, which Canvas appends rather than replaces, so a replayed timeout would leave the student duplicate comments.

methods restates faraday-retry's own IDEMPOTENT_METHODS so the exclusion is visible at the call site: POST is left out because a retry could re-create a module item. PUT is safe on the remaining 429 path because Canvas rejects a throttled request before applying it, so the replay is the first time the write lands.

The backoff is deliberately short: Canvas refills the rate-limit bucket continuously, so max: 3 with interval: 1 and backoff_factor: 2 spends about 1.0-1.5s, 2.0-2.5s and 4.0-4.5s (the randomness is additive, not a +/- percentage of the interval) before giving up -- that's 3 retries, 4 attempts total. Callers that need a different budget pass retry_options: to the constructor.

retry_statuses: [429] assumes the hosted Canvas instance has request_throttle.send_429_response enabled; without it Canvas's RequestThrottle returns 403 instead, which won't retry and surfaces as LockedModuleItemError on the write endpoints below.

max_interval bounds both the exponential backoff and a Retry-After header Canvas might one day send -- without it, a single throttled request could block for as long as that header says (faraday-retry defaults max_interval to Float::MAX).

{
  max: 3,
  interval: 1,
  interval_randomness: 0.5,
  backoff_factor: 2,
  max_interval: 10,
  retry_statuses: [429],
  exceptions: [Faraday::RetriableResponse],
  methods: %i[delete get head options put]
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(domain:, token:, retry_options: {}) ⇒ Client

Returns a new instance of Client.

Parameters:

  • (defaults to: {})

    overrides merged onto DEFAULT_RETRY_OPTIONS



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# File 'lib/platform_sdk/canvas_api/client.rb', line 65

def initialize(domain:, token:, retry_options: {})
  @host = "https://#{domain}"
  @token = token
  @retry_options = DEFAULT_RETRY_OPTIONS
                    .merge(retry_block: method(:log_rate_limit_retry))
                    .merge(retry_options)
  @connection = build_connection
end

Instance Attribute Details

#connectionObject (readonly)

Returns the value of attribute connection.



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# File 'lib/platform_sdk/canvas_api/client.rb', line 11

def connection
  @connection
end

#hostObject (readonly)

Returns the value of attribute host.



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# File 'lib/platform_sdk/canvas_api/client.rb', line 11

def host
  @host
end

#tokenObject (readonly)

Returns the value of attribute token.



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# File 'lib/platform_sdk/canvas_api/client.rb', line 11

def token
  @token
end

Instance Method Details

#assignment(course_id:, assignment_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 139

def assignment(course_id:, assignment_id:)
  uri = "api/v1/courses/#{course_id}/assignments/#{assignment_id}"
  response = @connection.get(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting quiz submissions#{error_messages_from(response.body)}"
  end
end

#assignments(course_id:, module_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 127

def assignments(course_id:, module_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules/#{module_id}/items?per_page=#{PAGE_SIZE}")
  handle_rate_limiting response
  if success?(response.status)
    assignments = paginated_items headers: response.headers, initial_response: response.body
    assignments.select { |item| item[:type] == 'Assignment' }
  else
    raise "Error getting assignments: #{error_messages_from(response.body)}"
  end
end

#course_modules(course_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 76

def course_modules(course_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules")
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting course modules: #{error_messages_from(response.body)}"
  end
end

#course_students(course_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 235

def course_students(course_id:)
  uri = "/api/v1/courses/#{course_id}/users?per_page=#{PAGE_SIZE}"
  params = { 'enrollment_type[]' => 'student' }
  response = @connection.get(uri, params)
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting course students: #{error_messages_from(response.body)}"
  end
end

#course_test_student(course_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 248

def course_test_student(course_id:)
  uri = "/api/v1/courses/#{course_id}/users"
  params = { 'enrollment_type[]' => 'student_view' }
  response = @connection.get(uri, params)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting test students: #{error_messages_from(response.body)}"
  end
end

#course_users(course_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 261

def course_users(course_id:)
  uri = "/api/v1/courses/#{course_id}/users?per_page=#{PAGE_SIZE}"
  response = @connection.get(uri)
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting course users: #{error_messages_from(response.body)}"
  end
end

#create_module(course_id:, body:) ⇒ Hash

Parameters:

Options Hash (body:):

  • 'module[name]' (String)

    The name of the module

  • 'module[position]' (Integer)

    The position of this module in the course (1-based)

Returns:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 431

def create_module(course_id:, body:)
  uri = "/api/v1/courses/#{course_id}/modules"
  response = @connection.post(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = body
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error creating module: #{error_messages_from(response.body)}"
  end
end

#delete_module_item(course_id:, module_id:, module_item_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 508

def delete_module_item(course_id:, module_id:, module_item_id:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}"
  response = @connection.delete(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error destroying module item: #{error_messages_from(response.body)}"
  end
end

#module_item(course_id:, module_id:, module_item_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 153

def module_item(course_id:, module_id:, module_item_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}")
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting module item: #{error_messages_from(response.body)}"
  end
end

#module_items(course_id:, module_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 99

def module_items(course_id:, module_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules/#{module_id}/items?per_page=#{PAGE_SIZE}")
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting module items: #{error_messages_from(response.body)}"
  end
end

#post_complete_quiz_submission(course_id:, quiz_id:, submission_id:, attempt:, validation_token:) ⇒ Hash

Parameters:

Returns:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 320

def post_complete_quiz_submission(course_id:, quiz_id:, submission_id:, attempt:, validation_token:)
  uri = "api/v1/courses/#{course_id}/quizzes/#{quiz_id}/submissions/#{submission_id}/complete"
  response = @connection.post(uri) do |req|
    req.headers['Content-Type'] = 'application/json'
    req.body = { attempt:, validation_token: }.to_json
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    handle_post_response_errors(response, 'Error completing quiz submission')
  end
end

#post_create_quiz_submission(course_id:, quiz_id:, user_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 303

def post_create_quiz_submission(course_id:, quiz_id:, user_id:)
  uri = "api/v1/courses/#{course_id}/quizzes/#{quiz_id}/submissions?as_user_id=#{user_id}"
  response = @connection.post(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    handle_post_response_errors(response, 'Error creating quiz submission')
  end
end

#post_discussion_topic_entry(course_id:, topic_id:, user_id:, message:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 366

def post_discussion_topic_entry(course_id:, topic_id:, user_id:, message:)
  uri = "api/v1/courses/#{course_id}/discussion_topics/#{topic_id}/entries?as_user_id=#{user_id}"
  response = @connection.post(uri) do |req|
    req.headers['Content-Type'] = 'application/json'
    req.body = { 'message': message.to_s }.to_json
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error posting a reply: #{error_messages_from(response.body)}"
  end
end

#post_mark_module_item_read(course_id:, module_id:, module_item_id:, user_id:) ⇒ Object

Returns nil.

Parameters:

Returns:

  • nil



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# File 'lib/platform_sdk/canvas_api/client.rb', line 339

def post_mark_module_item_read(course_id:, module_id:, module_item_id:, user_id:)
  uri = "api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}/mark_read?as_user_id=#{user_id}"
  response = @connection.post(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    handle_post_response_errors(response, 'Error marking module items read')
  end
end

#post_module_item(course_id:, module_id:, body:) ⇒ Object

Parameters:

Options Hash (body:):

  • 'module_item[title]' (String)

    The name of the module_item and associated content

  • 'module_item[type]' (String)

    Allowed: ExternalUrl, ExternalTool

  • 'module_item[content_id]' (Integer)

    The id of the content to link to the module_item. Required

  • 'module_item[position]' (Integer)

    The position of this item in the module (1-based). Default 0

  • 'module_item[external_url]' (String)

    External url that the item points to. Required for: ExternalUrl, ExternalTool.

  • 'module_item[completion_requirement][type]' (String)

    Allowed: must_view, must_contribute, must_submit, must_mark_done.



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# File 'lib/platform_sdk/canvas_api/client.rb', line 477

def post_module_item(course_id:, module_id:, body:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}/items"
  response = @connection.post(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = body
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error creating module item: #{error_messages_from(response.body)}"
  end
end

#put_mark_module_item_done(course_id:, module_id:, module_item_id:, user_id:) ⇒ Object

Returns nil.

Parameters:

Returns:

  • nil



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# File 'lib/platform_sdk/canvas_api/client.rb', line 355

def put_mark_module_item_done(course_id:, module_id:, module_item_id:, user_id:)
  uri = "api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}/done?as_user_id=#{user_id}"
  response = @connection.put(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    handle_post_response_errors(response, 'Error marking module item done')
  end
end

#put_module_prerequesites(course_id:, module_id:, prerequisite_ids:) ⇒ Object

Note:

prerequisite_ids should be a valid module_id, sending and empty array removes all prerequisites.

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 397

def put_module_prerequesites(course_id:, module_id:, prerequisite_ids:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}"
  response = @connection.put(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = { 'module[prerequisite_module_ids]' => prerequisite_ids }
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error updating module prerequisite: #{error_messages_from(response.body)}"
  end
end

#put_publish_module_item(course_id:, module_id:, module_item_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 494

def put_publish_module_item(course_id:, module_id:, module_item_id:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}"
  response = @connection.put(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = { 'module_item[published]' => true }
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error publishing module item: #{error_messages_from(response.body)}"
  end
end

#put_recompute_module_prerequisites(course_id:, module_id:, original_name:) ⇒ Object

renames a module to recompute module prerequisites.



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# File 'lib/platform_sdk/canvas_api/client.rb', line 412

def put_recompute_module_prerequisites(course_id:, module_id:, original_name:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}"
  response = @connection.put(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = { 'module[name]' => original_name }
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error updating refreshing module prerequisite: #{error_messages_from(response.body)}"
  end
end

#put_relock_module(course_id:, module_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 382

def put_relock_module(course_id:, module_id:)
  uri = "api/v1/courses/#{course_id}/modules/#{module_id}/relock"
  response = @connection.put(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise CanvasClientError, "Error re-locking module: #{error_messages_from(response.body)}"
  end
end

#quiz(course_id:, quiz_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 274

def quiz(course_id:, quiz_id:)
  uri = "/api/v1/courses/#{course_id}/quizzes/#{quiz_id}"
  response = @connection.get(uri)
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting quiz: #{error_messages_from(response.body)}"
  end
end

#quiz_submissions(course_id:, quiz_id:, user_id:) ⇒ Array

Parameters:

Returns:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 289

def quiz_submissions(course_id:, quiz_id:, user_id:)
  uri = "api/v1/courses/#{course_id}/quizzes/#{quiz_id}/submissions?user=#{user_id}&per_page=#{PAGE_SIZE}"
  response = @connection.get(uri)
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting quiz submissions#{error_messages_from(response.body)}"
  end
end

#retrieve_discussion_topic(course_id:, topic_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 521

def retrieve_discussion_topic(course_id:, topic_id:)
  uri = "/api/v1/courses/#{course_id}/discussion_topics/#{topic_id}"
  response = @connection.get(uri) do |req|
    req.headers['Content-Type'] = 'application/json'
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error retrieving discussion topic: #{error_messages_from(response.body)}"
  end
end

#submissions(course_id:, assignment_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 185

def submissions(course_id:, assignment_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/assignments/#{assignment_id}/submissions/")
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting submissions: #{error_messages_from(response.body)}"
  end
end

#update_module(course_id:, module_id:, body:) ⇒ Hash

Parameters:

Options Hash (body:):

  • 'module[name]' (String)

    The name of the module

  • 'module[published]' (Boolean)

    Whether the module is published

  • 'module[unlock_at]' (String)

    When to unlock the module

  • 'module[require_sequential_progress]' (Boolean)

    Require sequential progress

  • 'module[publish_final_grade]' (Boolean)

    Publish final grade

Returns:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 454

def update_module(course_id:, module_id:, body:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}"
  response = @connection.put(uri) do |req|
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = body
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error updating module: #{error_messages_from(response.body)}"
  end
end

#update_submission_excused(course_id:, assignment_id:, user_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 195

def update_submission_excused(course_id:, assignment_id:, user_id:)
  uri = "/api/v1/courses/#{course_id}/assignments/#{assignment_id}/submissions/#{user_id}"
  response = @connection.put(uri) do |req|
    req.headers["Content-Type"] = "application/json"
    req.body = {
      submission: {
        excuse: true
      }
    }.to_json
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error update submissions to excused: #{error_messages_from(response.body)}"
  end
end

#update_submission_excused_with_comment(course_id:, assignment_id:, user_id:, comment:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 213

def update_submission_excused_with_comment(course_id:, assignment_id:, user_id:, comment:)
  uri = "/api/v1/courses/#{course_id}/assignments/#{assignment_id}/submissions/#{user_id}"
  response = @connection.put(uri) do |req|
    req.headers['Content-Type'] = 'application/json'
    req.body = {
      'comment': {
        'text_comment': comment
      },
      'submission': {
        'excuse': true
      }
    }.to_json
  end
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error update submissions to excused: #{error_messages_from(response.body)}"
  end
end

#user_course_modules(course_id:, user_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 86

def user_course_modules(course_id:, user_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules?as_user_id=#{user_id}")
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting course modules: #{error_messages_from(response.body)}"
  end
end

#user_module_item(course_id:, module_id:, module_item_id:, user_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 163

def user_module_item(course_id:, module_id:, module_item_id:, user_id:)
  response = @connection.get("/api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}?as_user_id=#{user_id}")
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting module item: #{error_messages_from(response.body)}"
  end
end

#user_module_item_content_details(course_id:, module_id:, module_item_id:, user_id:) ⇒ Object



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# File 'lib/platform_sdk/canvas_api/client.rb', line 173

def user_module_item_content_details(course_id:, module_id:, module_item_id:, user_id:)
  response = @connection.get("api/v1/courses/#{course_id}/modules/#{module_id}/items/#{module_item_id}?include[]=content_details&student_id=#{user_id}")
  handle_rate_limiting response
  if success?(response.status)
    MultiJson.load response.body, symbolize_keys: true
  else
    raise "Error getting module item: #{error_messages_from(response.body)}"
  end
end

#user_module_items(course_id:, module_id:, user_id:) ⇒ Object

Parameters:



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# File 'lib/platform_sdk/canvas_api/client.rb', line 113

def user_module_items(course_id:, module_id:, user_id:)
  uri = "/api/v1/courses/#{course_id}/modules/#{module_id}/items?as_user_id=#{user_id}&per_page=#{PAGE_SIZE}"
  response = @connection.get(uri)
  handle_rate_limiting response
  if success?(response.status)
    paginated_items headers: response.headers, initial_response: response.body
  else
    raise "Error getting module items: #{error_messages_from(response.body)}"
  end
end