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matrix-spec/data/api/client-server/message_pagination.yaml

193 lines
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YAML

# 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.
openapi: 3.1.0
info:
title: Matrix Client-Server Rooms API
version: 1.0.0
paths:
"/rooms/{roomId}/messages":
get:
summary: Get a list of events for this room
description: |-
This API returns a list of message and state events for a room. It uses
pagination query parameters to paginate history in the room.
*Note*: This endpoint supports lazy-loading of room member events. See
[Lazy-loading room members](/client-server-api/#lazy-loading-room-members) for more information.
operationId: getRoomEvents
security:
- accessTokenQuery: []
- accessTokenBearer: []
parameters:
- in: path
name: roomId
description: The room to get events from.
required: true
example: "!636q39766251:example.com"
schema:
type: string
- in: query
name: from
x-changedInMatrixVersion:
"1.3": |
Previously, this field was required and paginating from the first or
last visible event in the room history wasn't supported.
description: |-
The token to start returning events from. This token can be obtained
from a `prev_batch` or `next_batch` token returned by the `/sync` endpoint,
or from an `end` token returned by a previous request to this endpoint.
This endpoint can also accept a value returned as a `start` token
by a previous request to this endpoint, though servers are not
required to support this. Clients should not rely on the behaviour.
If it is not provided, the homeserver shall return a list of messages
from the first or last (per the value of the `dir` parameter) visible
event in the room history for the requesting user.
required: false
example: s345_678_333
schema:
type: string
- in: query
name: to
description: |-
The token to stop returning events at. This token can be obtained from
a `prev_batch` or `next_batch` token returned by the `/sync` endpoint,
or from an `end` token returned by a previous request to this endpoint.
required: false
schema:
type: string
- in: query
name: dir
description: |-
The direction to return events from. If this is set to `f`, events
will be returned in chronological order starting at `from`. If it
is set to `b`, events will be returned in *reverse* chronological
order, again starting at `from`.
required: true
example: b
schema:
type: string
enum:
- b
- f
- in: query
name: limit
description: "The maximum number of events to return. Default: 10."
example: 3
schema:
type: integer
- in: query
name: filter
description: A JSON RoomEventFilter to filter returned events with.
example: '{"contains_url":true}'
schema:
type: string
responses:
"200":
description: A list of messages with a new token to request more.
content:
application/json:
schema:
type: object
description: A list of messages with a new token to request more.
properties:
start:
type: string
description: |-
A token corresponding to the start of `chunk`. This will be the same as
the value given in `from`.
end:
type: string
description: |-
A token corresponding to the end of `chunk`. This token can be passed
back to this endpoint to request further events.
If no further events are available (either because we have
reached the start of the timeline, or because the user does
not have permission to see any more events), this property
is omitted from the response.
chunk:
type: array
description: |-
A list of room events. The order depends on the `dir` parameter.
For `dir=b` events will be in reverse-chronological order,
for `dir=f` in chronological order. (The exact definition of `chronological`
is dependent on the server implementation.)
Note that an empty `chunk` does not *necessarily* imply that no more events
are available. Clients should continue to paginate until no `end` property
is returned.
items:
$ref: definitions/client_event.yaml
state:
type: array
description: |-
A list of state events relevant to showing the `chunk`. For example, if
`lazy_load_members` is enabled in the filter then this may contain
the membership events for the senders of events in the `chunk`.
Unless `include_redundant_members` is `true`, the server
may remove membership events which would have already been
sent to the client in prior calls to this endpoint, assuming
the membership of those members has not changed.
items:
$ref: definitions/client_event.yaml
required:
- start
- chunk
examples:
response:
value: {
"start": "t47429-4392820_219380_26003_2265",
"end": "t47409-4357353_219380_26003_2265",
"chunk": [
{
"room_id": "!636q39766251:example.com",
"$ref": "../../event-schemas/examples/m.room.message$m.text.yaml"
},
{
"room_id": "!636q39766251:example.com",
"$ref": "../../event-schemas/examples/m.room.name.yaml"
},
{
"room_id": "!636q39766251:example.com",
"$ref": "../../event-schemas/examples/m.room.message$m.video.yaml"
}
]
}
"403":
description: |
9 years ago
You aren't a member of the room.
tags:
- Room participation
servers:
- url: "{protocol}://{hostname}{basePath}"
variables:
protocol:
enum:
- http
- https
default: https
hostname:
default: localhost:8008
basePath:
default: /_matrix/client/v3
components:
securitySchemes:
accessTokenQuery:
$ref: definitions/security.yaml#/accessTokenQuery
accessTokenBearer:
$ref: definitions/security.yaml#/accessTokenBearer