mirror of
https://github.com/matrix-org/dendrite.git
synced 2024-11-22 22:31:56 -06:00
63 lines
1.9 KiB
Go
63 lines
1.9 KiB
Go
// Copyright 2017 Vector Creations 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.
|
|
|
|
package producers
|
|
|
|
import (
|
|
"encoding/json"
|
|
|
|
sarama "gopkg.in/Shopify/sarama.v1"
|
|
)
|
|
|
|
// UserUpdateProducer produces events related to user updates.
|
|
type UserUpdateProducer struct {
|
|
Topic string
|
|
Producer sarama.SyncProducer
|
|
}
|
|
|
|
// TODO: Move this struct to `common` so the components that consume the topic
|
|
// can use it when parsing incoming messages
|
|
type profileUpdate struct {
|
|
Updated string `json:"updated"` // Which attribute is updated (can be either `avatar_url` or `displayname`)
|
|
OldValue string `json:"old_value"` // The attribute's value before the update
|
|
NewValue string `json:"new_value"` // The attribute's value after the update
|
|
}
|
|
|
|
// SendUpdate sends an update using kafka to notify the roomserver of the
|
|
// profile update. Returns an error if the update failed to send.
|
|
func (p *UserUpdateProducer) SendUpdate(
|
|
userID string, updatedAttribute string, oldValue string, newValue string,
|
|
) error {
|
|
var update profileUpdate
|
|
var m sarama.ProducerMessage
|
|
|
|
m.Topic = string(p.Topic)
|
|
m.Key = sarama.StringEncoder(userID)
|
|
|
|
update = profileUpdate{
|
|
Updated: updatedAttribute,
|
|
OldValue: oldValue,
|
|
NewValue: newValue,
|
|
}
|
|
|
|
value, err := json.Marshal(update)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
m.Value = sarama.ByteEncoder(value)
|
|
|
|
_, _, err = p.Producer.SendMessage(&m)
|
|
return err
|
|
}
|