From 41fb0645a975d5bfb4e6394db1f7c4fef59463eb Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Wed, 14 Oct 2015 11:16:58 +0100
Subject: [PATCH] Add message pagination API

---
 api/client-server/v1/message_pagination.yaml | 131 +++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 api/client-server/v1/message_pagination.yaml

diff --git a/api/client-server/v1/message_pagination.yaml b/api/client-server/v1/message_pagination.yaml
new file mode 100644
index 00000000..b3317c13
--- /dev/null
+++ b/api/client-server/v1/message_pagination.yaml
@@ -0,0 +1,131 @@
+swagger: '2.0'
+info:
+  title: "Matrix Client-Server v1 Rooms API"
+  version: "1.0.0"
+host: localhost:8008
+schemes:
+  - https
+  - http
+basePath: /_matrix/client/api/v1
+consumes:
+  - application/json
+produces:
+  - application/json
+securityDefinitions:
+  accessToken:
+    type: apiKey
+    description: The user_id or application service access_token
+    name: access_token
+    in: query
+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.
+      security:
+        - accessToken: []
+      parameters:
+        - in: path
+          type: string
+          name: roomId
+          description: The room to get events from.
+          required: true
+          x-example: "!636q39766251:example.com"
+        - in: query
+          type: string
+          name: from
+          description: |-
+            The token to start returning events from. This token can be obtained
+            from the initial sync API.
+          required: true
+          x-example: "s345_678_333"
+        - in: query
+          type: string
+          enum: ["b", "f"]
+          name: dir
+          description: |-
+            The direction to return events from.
+          required: true
+          x-example: "b"
+        - in: query
+          type: integer
+          name: limit
+          description: |-
+            The maximum number of events to return. Default: 10.
+          x-example: "3"
+      responses:
+        200:
+          description: A list of messages with a new token to request more.
+          schema:
+            type: object
+            description: A list of messages with a new token to request more.
+            properties:
+              start:
+                type: string
+                description: |-
+                  The token to start paginating from. If ``dir=b`` this will be
+                  the token supplied in ``from``.
+              end:
+                type: string
+                description: |-
+                  The token the pagination ends at. If ``dir=b`` this token should
+                  be used again to request even earlier events.
+              chunk:
+                type: array
+                description: |-
+                  A list of room events.
+                items:
+                  type: object
+                  title: RoomEvent
+          examples:
+            application/json: |-
+              {
+                "start": "t47429-4392820_219380_26003_2265",
+                "end": "t47409-4357353_219380_26003_2265",
+                "chunk": [
+                  {
+                    "origin_server_ts": 1444812213737,
+                    "user_id": "@alice:example.com",
+                    "event_id": "$1444812213350496Caaaa:example.com",
+                    "content": {
+                      "body": "hello world",
+                      "msgtype":"m.text"
+                    },
+                    "room_id":"!Xq3620DUiqCaoxq:example.com",
+                    "type":"m.room.message",
+                    "age": 1042
+                  },
+                  {
+                    "origin_server_ts": 1444812194656 ,
+                    "user_id": "@bob:example.com",
+                    "event_id": "$1444812213350496Cbbbb:example.com",
+                    "content": {
+                      "body": "the world is big",
+                      "msgtype":"m.text"
+                    },
+                    "room_id":"!Xq3620DUiqCaoxq:example.com",
+                    "type":"m.room.message",
+                    "age": 20123
+                  },
+                  {
+                    "origin_server_ts": 1444812163990,
+                    "user_id": "@bob:example.com",
+                    "event_id": "$1444812213350496Ccccc:example.com",
+                    "content": {
+                      "name": "New room name"
+                    },
+                    "prev_content": {
+                      "name": "Old room name"
+                    },
+                    "state_key": "",
+                    "room_id":"!Xq3620DUiqCaoxq:example.com",
+                    "type":"m.room.name",
+                    "age": 50789
+                  }
+                ]
+              }
+        403:
+          description: >
+            You aren't a member of the room.
\ No newline at end of file