| 1 | import './pubsub.css' |
| 2 | import { useState } from 'react' |
| 3 | import { Button } from '../button.js' |
| 4 | import { Panel } from '../panel.js' |
| 5 | import { SmallError, SmallSuccess } from '../status.js' |
| 6 | import { TextInput } from '../text-input.js' |
| 7 | import type { MetricsRPC } from '@ipshipyard/libp2p-inspector-metrics' |
| 8 | import type { Message } from '@libp2p/gossipsub' |
| 9 | import type { ReactElement } from 'react' |
| 10 | |
| 11 | export interface PubSubProps { |
| 12 | component: string |
| 13 | metrics: MetricsRPC |
| 14 | } |
| 15 | |
| 16 | export function PubSub ({ component, metrics }: PubSubProps): ReactElement { |
| 17 | const [topics, setTopics] = useState<string[]>([]) |
| 18 | const [topic, setTopic] = useState('') |
| 19 | |
| 20 | function loadTopics (): void { |
| 21 | metrics.pubsub.getTopics(component) |
| 22 | .then(list => { |
| 23 | setTopics(list) |
| 24 | }) |
| 25 | .catch(err => { |
| 26 | // eslint-disable-next-line no-console |
| 27 | console.error('could not get subs', err) |
| 28 | }) |
| 29 | } |
| 30 | |
| 31 | loadTopics() |
| 32 | |
| 33 | return ( |
| 34 | <> |
| 35 | <SubscribePanel component={component} metrics={metrics} subscribed={loadTopics} /> |
| 36 | <TopicList topics={topics} setTopic={setTopic} /> |
| 37 | {/* TODO: fix message display */} |
| 38 | <TopicDisplay topic={topic} component={component} metrics={metrics} messages={[]} /> |
| 39 | </> |
| 40 | ) |
| 41 | } |
| 42 | |
| 43 | interface SubscribePanelOptions { |
| 44 | component: string |
| 45 | subscribed(): void |
| 46 | metrics: MetricsRPC |
| 47 | } |
| 48 | |
| 49 | function SubscribePanel ({ component, subscribed, metrics }: SubscribePanelOptions): ReactElement { |
| 50 | const [topic, setTopic] = useState('') |
| 51 | const [result, setResult] = useState(<small>E.g. `my-topic`, etc</small>) |
| 52 | |
| 53 | function subscribe (evt: { preventDefault(): void }, topic: string): boolean { |
| 54 | evt.preventDefault() |
| 55 | |
| 56 | metrics.pubsub.subscribe(component, topic) |
| 57 | .then(() => { |
| 58 | setResult(<SmallSuccess message='Subscribed successfully' />) |
| 59 | subscribed() |
| 60 | }, (err) => { |
| 61 | setResult(<SmallError error={err} />) |
| 62 | }) |
| 63 | |
| 64 | return false |
| 65 | } |
| 66 | |
| 67 | return ( |
| 68 | <Panel> |
| 69 | <p>Subscribe to a PubSub topic</p> |
| 70 | <form onSubmit={(evt) => subscribe(evt, topic)}> |
| 71 | <TextInput type='text' value={topic} placeholder='Topic' onChange={(e) => { setTopic(e.target.value) }} /> |
| 72 | <Button onClick={(evt) => subscribe(evt, topic)} primary>Subscribe</Button> |
| 73 | </form> |
| 74 | {result} |
| 75 | </Panel> |
| 76 | ) |
| 77 | } |
| 78 | |
| 79 | interface TopicListOptions { |
| 80 | topics: string[] |
| 81 | setTopic(topic: string): void |
| 82 | } |
| 83 | |
| 84 | function TopicList ({ topics, setTopic }: TopicListOptions): ReactElement { |
| 85 | return ( |
| 86 | <div> |
| 87 | <ul> |
| 88 | {topics.map((topic, index) => ( |
| 89 | <li key={`sub-${index}`} onClick={() => { setTopic(topic) }}> |
| 90 | {topic} |
| 91 | </li> |
| 92 | ))} |
| 93 | </ul> |
| 94 | </div> |
| 95 | ) |
| 96 | } |
| 97 | |
| 98 | interface TopicDisplayOptions { |
| 99 | component: string |
| 100 | topic: string |
| 101 | metrics: MetricsRPC |
| 102 | messages: Message[] |
| 103 | } |
| 104 | |
| 105 | function TopicDisplay ({ component, topic, metrics, messages }: TopicDisplayOptions): ReactElement { |
| 106 | if (topic === '') { |
| 107 | return <></> |
| 108 | } |
| 109 | |
| 110 | const [message, setMessage] = useState('') |
| 111 | const [result, setResult] = useState(<small>E.g. `hello world`, etc</small>) |
| 112 | |
| 113 | function publish (evt: { preventDefault(): void }, topic: string): boolean { |
| 114 | evt.preventDefault() |
| 115 | |
| 116 | metrics.pubsub.publish(component, topic, new TextEncoder().encode(message)) |
| 117 | .then(() => { |
| 118 | setResult(<SmallSuccess message='Published successfully' />) |
| 119 | }, (err) => { |
| 120 | setResult(<SmallError error={err} />) |
| 121 | }) |
| 122 | |
| 123 | return false |
| 124 | } |
| 125 | |
| 126 | return ( |
| 127 | <> |
| 128 | <Panel> |
| 129 | <p>Publish a message</p> |
| 130 | <form onSubmit={(evt) => publish(evt, topic)}> |
| 131 | <TextInput type='text' value={message} placeholder='Message' onChange={(e) => { setMessage(e.target.value) }} /> |
| 132 | <Button onClick={(evt) => publish(evt, topic)} primary>Publish</Button> |
| 133 | </form> |
| 134 | {result} |
| 135 | </Panel> |
| 136 | <Panel> |
| 137 | {messages.map((message, index) => { |
| 138 | if (message.type === 'signed') { |
| 139 | return ( |
| 140 | <div key={`message-${index}`}> |
| 141 | <p>From: {message.from.toString()}</p> |
| 142 | <p>Seq: {message.sequenceNumber.toString()}</p> |
| 143 | <p>Data: {new TextDecoder().decode(message.data)}</p> |
| 144 | </div> |
| 145 | ) |
| 146 | } |
| 147 | |
| 148 | return ( |
| 149 | <div key={`message-${index}`}> |
| 150 | <p>Data: {new TextDecoder().decode(message.data)}</p> |
| 151 | </div> |
| 152 | ) |
| 153 | })} |
| 154 | </Panel> |
| 155 | </> |
| 156 | ) |
| 157 | } |