# Copyright 2018 New Vector 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 Federation Public Rooms API"
  version: "1.0.0"
host: localhost:8448
schemes:
  - https
basePath: /_matrix/federation/v1
produces:
  - application/json
securityDefinitions:
  $ref: definitions/security.yaml
paths:
  "/publicRooms":
    get:
      summary: Get all the public rooms for a homeserver
      description: |-
        Gets all the public rooms for the homeserver. This should not return
        rooms that are listed on another homeserver's directory, just those
        listed on the receiving homeserver's directory.
      operationId: getPublicRooms
      security:
        - signedRequest: []
      parameters:
        - in: query
          name: limit
          type: integer
          description: |-
            The maximum number of rooms to return. Defaults to 0 (no limit).
          x-example: 10
        - in: query
          name: since
          type: string
          description: |-
            A pagination token from a previous call to this endpoint to fetch more
            rooms.
          x-example: "GetMoreRoomsTokenHere"
        - in: query
          name: include_all_networks
          type: boolean
          description: |-
            Whether or not to include all networks/protocols defined by application
            services on the homeserver. Defaults to false.
          x-example: false
        - in: query
          name: third_party_instance_id
          type: string
          description: |-
            The specific third party network/protocol to request from the homeserver.
            Can only be used if ``include_all_networks`` is false.
          x-example: "irc"
      responses:
        200:
          description: The public room list for the homeserver.
          schema:
            $ref: "../client-server/definitions/public_rooms_response.yaml"
    post:
      summary: Gets the public rooms on the server with optional filter.
      description: |-
        Lists the public rooms on the server, with optional filter.

        This API returns paginated responses. The rooms are ordered by the number
        of joined members, with the largest rooms first.

        Note that this endpoint receives and returns the same format that is seen
        in the Client-Server API's ``POST /publicRooms`` endpoint.
      operationId: queryPublicRooms
      security:
        - signedRequest: []
      parameters:
        - in: body
          name: body
          required: true
          description: |-
            Options for which rooms to return.
          schema:
            type: object
            properties:
              limit:
                type: integer
                description: |-
                  Limit the number of results returned.
              since:
                type: string
                description: |-
                  A pagination token from a previous request, allowing servers
                  to get the next (or previous) batch of rooms.  The direction
                  of pagination is specified solely by which token is supplied,
                  rather than via an explicit flag.
              filter:
                type: object
                title: "Filter"
                description: |-
                  Filter to apply to the results.
                properties:
                    generic_search_term:
                      type: string
                      description: |-
                        A string to search for in the room metadata, e.g. name,
                        topic, canonical alias etc. (Optional).
              include_all_networks:
                type: boolean
                description: |-
                  Whether or not to include all known networks/protocols from
                  application services on the homeserver. Defaults to false.
                example: false
              third_party_instance_id:
                type: string
                description: |-
                  The specific third party network/protocol to request from the
                  homeserver. Can only be used if ``include_all_networks`` is false.
                example: "irc"
            example: {
              "limit": 10,
              "filter": {
                "generic_search_term": "foo"
              },
              "include_all_networks": false,
              "third_party_instance_id": "irc"
            }
      responses:
        200:
          description: A list of the rooms on the server.
          schema:
            type: object
            description: A list of the rooms on the server.
            required: ["chunk"]
            properties:
              chunk:
                title: "PublicRoomsChunks"
                type: array
                description: |-
                  A paginated chunk of public rooms.
                items:
                  type: object
                  title: "PublicRoomsChunk"
                  required:
                    - room_id
                    - num_joined_members
                    - world_readable
                    - guest_can_join
                  properties:
                    aliases:
                      type: array
                      description: |-
                        Aliases of the room. May be empty.
                      items:
                        type: string
                    canonical_alias:
                      type: string
                      description: |-
                        The canonical alias of the room, if any.
                    name:
                      type: string
                      description: |-
                        The name of the room, if any.
                    num_joined_members:
                      type: integer
                      description: |-
                        The number of members joined to the room.
                    room_id:
                      type: string
                      description: |-
                        The ID of the room.
                    topic:
                      type: string
                      description: |-
                        The topic of the room, if any.
                    world_readable:
                      type: boolean
                      description: |-
                        Whether the room may be viewed by guest users without joining.
                    guest_can_join:
                      type: boolean
                      description: |-
                        Whether guest users may join the room and participate in it.
                        If they can, they will be subject to ordinary power level
                        rules like any other user.
                    avatar_url:
                      type: string
                      description: The URL for the room's avatar, if one is set.
              next_batch:
                type: string
                description: |-
                  A pagination token for the response. The absence of this token
                  means there are no more results to fetch and the client should
                  stop paginating.
              prev_batch:
                type: string
                description: |-
                  A pagination token that allows fetching previous results. The
                  absence of this token means there are no results before this
                  batch, i.e. this is the first batch.
              total_room_count_estimate:
                type: integer
                description: |-
                   An estimate on the total number of public rooms, if the
                   server has an estimate.
          examples:
            application/json: {
              "chunk": [
                {
                  "aliases": ["#murrays:cheese.bar"],
                  "avatar_url": "mxc://bleeker.street/CHEDDARandBRIE",
                  "guest_can_join": false,
                  "name": "CHEESE",
                  "num_joined_members": 37,
                  "room_id": "!ol19s:bleecker.street",
                  "topic": "Tasty tasty cheese",
                  "world_readable": true
                }
              ],
              "next_batch": "p190q",
              "prev_batch": "p1902",
              "total_room_count_estimate": 115
            }
