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24d8df664c
* Fix #897 and shuffle directory around * Update find-lint * goimports Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package producers
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import (
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"encoding/json"
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"github.com/Shopify/sarama"
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)
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// UserUpdateProducer produces events related to user updates.
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type UserUpdateProducer struct {
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Topic string
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Producer sarama.SyncProducer
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}
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// TODO: Move this struct to `internal` so the components that consume the topic
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// can use it when parsing incoming messages
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type profileUpdate struct {
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Updated string `json:"updated"` // Which attribute is updated (can be either `avatar_url` or `displayname`)
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OldValue string `json:"old_value"` // The attribute's value before the update
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NewValue string `json:"new_value"` // The attribute's value after the update
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}
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// SendUpdate sends an update using kafka to notify the roomserver of the
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// profile update. Returns an error if the update failed to send.
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func (p *UserUpdateProducer) SendUpdate(
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userID string, updatedAttribute string, oldValue string, newValue string,
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) error {
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var update profileUpdate
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var m sarama.ProducerMessage
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m.Topic = string(p.Topic)
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m.Key = sarama.StringEncoder(userID)
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update = profileUpdate{
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Updated: updatedAttribute,
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OldValue: oldValue,
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NewValue: newValue,
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}
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value, err := json.Marshal(update)
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if err != nil {
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return err
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}
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m.Value = sarama.ByteEncoder(value)
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_, _, err = p.Producer.SendMessage(&m)
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return err
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}
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