Remove unused UserUpdates producer (#1109)

clientapi/producers/userupdate.go

@@ -1,62 +0,0 @@
-// 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"
-
-	"github.com/Shopify/sarama"
-)
-
-// UserUpdateProducer produces events related to user updates.
-type UserUpdateProducer struct {
-	Topic    string
-	Producer sarama.SyncProducer
-}
-
-// TODO: Move this struct to `internal` 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
-}