schema.graphql

type Assignment implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  course: Course
  createdAt: Time
  description: String
  discussion: Discussion

  # when this assignment is due
  dueAt: String
  htmlUrl: URL
  id: ID!
  name: String
  needsGradingCount: Int

  # the assignment is out of this many points
  pointsPossible: Float

  # determines the order this assignment is displayed in in its assignment group
  position: Int
  quiz: Quiz
  state: AssignmentState!

  # submissions for this assignment
  submissionsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): SubmissionConnection
  updatedAt: Time
}

# The connection type for Assignment.
type AssignmentConnection {
  # A list of edges.
  edges: [AssignmentEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type AssignmentEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: Assignment
}

type AssignmentGroup implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  assignmentsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): AssignmentConnection
  createdAt: Time
  groupWeight: Float
  id: ID!
  name: String
  position: Int
  rules: AssignmentGroupRules
  state: AssignmentGroupState!
  updatedAt: Time
}

# The connection type for AssignmentGroup.
type AssignmentGroupConnection {
  # A list of edges.
  edges: [AssignmentGroupEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type AssignmentGroupEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: AssignmentGroup
}

type AssignmentGroupRules {
  # The highest N assignments are not included in grade calculations
  dropHighest: Int

  # The lowest N assignments are not included in grade calculations
  dropLowest: Int
  neverDrop: [Assignment]
}

# States that Assignment Group can be in
enum AssignmentGroupState {
  available
  deleted
}

input AssignmentInput {
  courseId: ID!
  name: String!
}

# States that an Assignment can be in
enum AssignmentState {
  deleted
  published
  unpublished
}

type Course implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  assignmentGroupsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): AssignmentGroupConnection
  assignmentsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): AssignmentConnection

  # course short name
  courseCode: String
  createdAt: Time
  gradingPeriodsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): GradingPeriodConnection
  id: ID!
  name: String!

  # returns permission information for the current user in this course
  permissions: CoursePermissions
  sectionsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): SectionConnection
  state: CourseWorkflowState!

  # all the submissions for assignments in this course
  submissionsConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
    orderBy: [SubmissionOrderCriteria]

    # Only return submissions for the given students.
    studentIds: [ID!]!
  ): SubmissionConnection
  updatedAt: Time
  usersConnection(
    # Returns the elements in the list that come after the specified global ID.
    after: String

    # Returns the elements in the list that come before the specified global ID.
    before: String

    # Returns the first _n_ elements from the list.
    first: Int

    # Returns the last _n_ elements from the list.
    last: Int
  ): UserConnection
}

type CoursePermissions {
  becomeUser: Boolean
  manageGrades: Boolean
  sendMessages: Boolean
  viewAllGrades: Boolean
  viewAnalytics: Boolean
}

# States that Courses can be in
enum CourseWorkflowState {
  available
  claimed
  completed
  created
  deleted
}

type Discussion implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  createdAt: Time
  id: ID!
  updatedAt: Time
}

type Enrollment implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  course: Course
  createdAt: Time
  grades(
    # The grading period to return grades for. If not specified, will use the
    # current grading period (or the course grade for courses that don't use
    # grading periods)
    gradingPeriodId: ID
  ): Grades
  id: ID!
  lastActivityAt: Time
  section: Section
  state: EnrollmentWorkflowState!
  type: EnrollmentType!
  updatedAt: Time
  user: User
}

enum EnrollmentType {
  DesignerEnrollment
  ObserverEnrollment
  StudentEnrollment
  StudentViewEnrollment
  TaEnrollment
  TeacherEnrollment
}

enum EnrollmentWorkflowState {
  active
  completed
  creation_pending
  deleted
  invited
  rejected
}

# Contains grade information for a course or grading period
type Grades {
  currentGrade: String

  #     The current score includes all graded assignments
  currentScore: Float
  finalGrade: String

  #     The final score includes all assignments (ungraded assignments are counted as 0 points)
  finalScore: Float
}

type GradingPeriod implements Node, Timestamped {
  # legacy canvas id
  _id: ID!

  #     assignments can only be graded before the grading period closes
  closeDate: Time
  createdAt: Time
  endDate: Time
  id: ID!
  startDate: Time
  title: String
  updatedAt: Time

  #     used to calculate how much the assignments in this grading period
  #     contribute to the overall grade
  weight: Float
}

# The connection type for GradingPeriod.
type GradingPeriodConnection {
  # A list of edges.
  edges: [GradingPeriodEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type GradingPeriodEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: GradingPeriod
}

type Mutation {
  createAssignment(assignment: AssignmentInput!): Assignment
}

# An object with an ID.
interface Node {
  # ID of the object.
  id: ID!
}

enum NodeType {
  Assignment
  Course
  Enrollment
  GradingPeriod
  Section
  User
}

enum OrderDirection {
  ascending
  descending
}

# Information about pagination in a connection.
type PageInfo {
  # When paginating forwards, the cursor to continue.
  endCursor: String

  # When paginating forwards, are there more items?
  hasNextPage: Boolean!

  # When paginating backwards, are there more items?
  hasPreviousPage: Boolean!

  # When paginating backwards, the cursor to continue.
  startCursor: String
}

type PageViewAnalysis {
  # This number (0-3) is intended to give an idea of how the student is doing relative to others in the course
  level: Int

  # The maximum number of views/participations in this course
  max: Int

  # The number of views/participations this student has
  total: Int
}

type Query {
  # All courses viewable by the current user
  allCourses: [Course]

  # Fetches an object given its type and legacy ID
  legacyNode(_id: ID!, type: NodeType!): Node

  # Fetches an object given its ID.
  node(
    # ID of the object.
    id: ID!
  ): Node
}

type Quiz implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  createdAt: Time
  id: ID!
  updatedAt: Time
}

type Section implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  createdAt: Time
  id: ID!
  name: String!
  updatedAt: Time
}

# The connection type for Section.
type SectionConnection {
  # A list of edges.
  edges: [SectionEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type SectionEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: Section
}

# basic information about a students activity in a course
type StudentSummaryAnalytics {
  pageViews: PageViewAnalysis
  participations: PageViewAnalysis
  tardinessBreakdown: TardinessBreakdown
}

type Submission implements Node, Timestamped {
  assignment: Assignment
  createdAt: Time

  # excused assignments are ignored when calculating grades
  excused: Boolean
  grade: String
  gradedAt: Time
  gradingStatus: String
  id: ID!
  score: Float
  submissionStatus: String
  submittedAt: Time
  updatedAt: Time
  user: User
}

# The connection type for Submission.
type SubmissionConnection {
  # A list of edges.
  edges: [SubmissionEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type SubmissionEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: Submission
}

input SubmissionOrderCriteria {
  direction: OrderDirection
  field: SubmissionOrderField!
}

enum SubmissionOrderField {
  _id
  gradedAt
}

# statistics based on timeliness of student submissions
type TardinessBreakdown {
  late: Float
  missing: Float
  onTime: Float
  total: Int
}

# an ISO8601 formatted time string
scalar Time

# Contains timestamp metadata
interface Timestamped {
  createdAt: Time
  updatedAt: Time
}

scalar URL

type User implements Node, Timestamped {
  # legacy canvas id
  _id: ID!
  avatarUrl: URL
  createdAt: Time
  enrollments(
    # only return enrollments for this course
    courseId: ID!
  ): [Enrollment]
  id: ID!
  name: String

  # A short name the user has selected, for use in conversations or other less formal places through the site.
  shortName: String

  # The name of the user that is should be used for sorting groups of users, such as in the gradebook.
  sortableName: String
  summaryAnalytics(
    # returns summary analytics for this course
    courseId: ID!
  ): StudentSummaryAnalytics
  updatedAt: Time
}

# The connection type for User.
type UserConnection {
  # A list of edges.
  edges: [UserEdge]

  # Information to aid in pagination.
  pageInfo: PageInfo!
}

# An edge in a connection.
type UserEdge {
  # A cursor for use in pagination.
  cursor: String!

  # The item at the end of the edge.
  node: User
}