# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
swagger: '2.0'
info:
  title: "Matrix Client-Server Rooms API"
  version: "1.0.0"
host: localhost:8008
schemes:
  - https
  - http
basePath: /_matrix/client/%CLIENT_MAJOR_VERSION%
consumes:
  - application/json
produces:
  - application/json
securityDefinitions:
  $ref: definitions/security.yaml
paths:
  "/rooms/{roomId}/event/{eventId}":
    get:
      summary: Get a single event by event ID.
      description: |-
        Get a single event based on ``roomId/eventId``. You must have permission to
        retrieve this event e.g. by being a member in the room for this event.
      operationId: getOneRoomEvent
      security:
        - accessToken: []
      parameters:
        - in: path
          type: string
          name: roomId
          description: The ID of the room the event is in.
          required: true
          x-example: "!636q39766251:matrix.org"
        - in: path
          type: string
          name: eventId
          description: The event ID to get.
          required: true
          x-example: "$asfDuShaf7Gafaw:matrix.org"
      responses:
        200:
          description: The full event.
          examples:
            application/json: {
              "room_id": "!636q39766251:matrix.org",
              "$ref": "definitions/event-schemas/examples/m.room.message$m.text"
            }
          schema:
            allOf:
              - "$ref": "definitions/event-schemas/schema/core-event-schema/event.yaml"
        404:
          description: The event was not found or you do not have permission to read this event.
          examples:
            application/json: {
                "errcode": "M_NOT_FOUND",
                "error": "Event not found."
              }
          schema:
            "$ref": "definitions/errors/error.yaml"
      tags:
        - Room participation
  "/rooms/{roomId}/state/{eventType}/{stateKey}":
    get:
      summary: Get the state identified by the type and key.
      description: |-
        .. For backwards compatibility with older links...
        .. _`get-matrix-client-%CLIENT_MAJOR_VERSION%-rooms-roomid-state-eventtype`:

        Looks up the contents of a state event in a room. If the user is
        joined to the room then the state is taken from the current
        state of the room. If the user has left the room then the state is
        taken from the state of the room when they left.
      operationId: getRoomStateWithKey
      security:
        - accessToken: []
      parameters:
        - in: path
          type: string
          name: roomId
          description: The room to look up the state in.
          required: true
          x-example: "!636q39766251:example.com"
        - in: path
          type: string
          name: eventType
          description: The type of state to look up.
          required: true
          x-example: "m.room.name"
        - in: path
          type: string
          name: stateKey
          description: |-
            The key of the state to look up. Defaults to an empty string. When
            an empty string, the trailing slash on this endpoint is optional.
          required: true
          x-example: ""
      responses:
        200:
          description: The content of the state event.
          examples:
            application/json: {
              "name": "Example room name"}
          schema:
            type: object
        404:
          description: The room has no state with the given type or key.
        403:
          description: >
            You aren't a member of the room and weren't previously a
            member of the room.
      tags:
        - Room participation
  "/rooms/{roomId}/state":
    get:
      summary: Get all state events in the current state of a room.
      description: |-
        Get the state events for the current state of a room.
      operationId: getRoomState
      security:
        - accessToken: []
      parameters:
        - in: path
          type: string
          name: roomId
          description: The room to look up the state for.
          required: true
          x-example: "!636q39766251:example.com"
      responses:
        200:
          description: The current state of the room
          examples:
            application/json: [
              {
                "room_id": "!636q39766251:example.com",
                "$ref": "definitions/event-schemas/examples/m.room.join_rules"
              },
              {
                "room_id": "!636q39766251:example.com",
                "$ref": "definitions/event-schemas/examples/m.room.member"
              },
              {
                "room_id": "!636q39766251:example.com",
                "$ref": "definitions/event-schemas/examples/m.room.create"
              },
              {
                "room_id": "!636q39766251:example.com",
                "$ref": "definitions/event-schemas/examples/m.room.power_levels"
              }
            ]
          schema:
            type: array
            title: RoomState
            description: |-
              If the user is a member of the room this will be the
              current state of the room as a list of events. If the user
              has left the room then this will be the state of the room
              when they left as a list of events.
            items:
              title: StateEvent
              type: object
              allOf:
                - "$ref": "definitions/event-schemas/schema/core-event-schema/state_event.yaml"
        403:
          description: >
            You aren't a member of the room and weren't previously a
            member of the room.
      tags:
        - Room participation
  "/rooms/{roomId}/members":
    get:
      summary: Get the m.room.member events for the room.
      description:
        Get the list of members for this room.
      operationId: getMembersByRoom
      parameters:
        - in: path
          type: string
          name: roomId
          description: The room to get the member events for.
          required: true
          x-example: "!636q39766251:example.com"
        - in: query
          name: at
          type: string
          description: |-
            The point in time (pagination token) to return members for in the room.
            This token can be obtained from a ``prev_batch`` token returned for
            each room by the sync API. Defaults to the current state of the room,
            as determined by the server.
          x-example: "YWxsCgpOb25lLDM1ODcwOA"
        # XXX: As mentioned in MSC1227, replacing `[not_]membership` with a JSON
        # filter might be a better alternative.
        # See https://github.com/matrix-org/matrix-doc/issues/1337
        - in: query
          name: membership
          type: string
          enum:
            - join
            - invite
            - leave
            - ban
          description: |-
            The kind of membership to filter for. Defaults to no filtering if
            unspecified. When specified alongside ``not_membership``, the two
            parameters create an 'or' condition: either the membership *is*
            the same as ``membership`` **or** *is not* the same as ``not_membership``.
          x-example: "join"
        - in: query
          name: not_membership
          type: string
          enum:
            - join
            - invite
            - leave
            - ban
          description: |-
            The kind of membership to exclude from the results. Defaults to no
            filtering if unspecified.
          x-example: leave
      security:
        - accessToken: []
      responses:
        200:
          description: |-
            A list of members of the room. If you are joined to the room then
            this will be the current members of the room. If you have left the
            room then this will be the members of the room when you left.
          examples:
            application/json: {
                "chunk": [
                  {
                    "room_id": "!636q39766251:example.com",
                    "$ref": "definitions/event-schemas/examples/m.room.member"
                  }
                ]
              }
          schema:
            type: object
            properties:
              chunk:
                type: array
                items:
                  title: MemberEvent
                  type: object
                  allOf:
                    - "$ref": "definitions/event-schemas/schema/m.room.member"
        403:
          description: >
            You aren't a member of the room and weren't previously a
            member of the room.
      tags:
        - Room participation
  "/rooms/{roomId}/joined_members":
    get:
      summary: Gets the list of currently joined users and their profile data.
      description:
        This API returns a map of MXIDs to member info objects for members of the room. The current user must be in the room for it to work, unless it is an Application Service in which case any of the AS's users must be in the room.
        This API is primarily for Application Services and should be faster to respond than ``/members`` as it can be implemented more efficiently on the server.
      operationId: getJoinedMembersByRoom
      parameters:
        - in: path
          type: string
          name: roomId
          description: The room to get the members of.
          required: true
          x-example: "!636q39766251:example.com"
      security:
        - accessToken: []
      responses:
        200:
          description: |-
            A map of MXID to room member objects.
          examples:
            application/json: {
                "joined": {
                  "@bar:example.com": {
                    "display_name": "Bar",
                    "avatar_url": "mxc://riot.ovh/printErCATzZijQsSDWorRaK"
                  }
                }
              }
          schema:
            type: object
            properties:
              joined:
                additionalProperties:
                  title: RoomMember
                  type: object
                  properties:
                    display_name:
                      type: string
                      description: The display name of the user this object is representing.
                    avatar_url:
                      type: string
                      description: The mxc avatar url of the user this object is representing.
                description: A map from user ID to a RoomMember object.
                type: object
        403:
          description: >
            You aren't a member of the room.
      tags:
        - Room participation
