import { DEFAULT_POLLING_SOURCE_TIMER_INTERVAL } from "@pipedream/platform";
import maxBy from "lodash.maxby";
import common from "../common/common.mjs";
import sampleEmit from "./test-event.mjs";
const { discord } = common.props;
export default {
...common,
key: "discord_bot-new-message-in-channel",
name: "New Message in Channel",
description: "Emit new event for each message posted to one or more channels",
type: "source",
version: "1.0.0",
dedupe: "unique",
props: {
...common.props,
db: "$.service.db",
channels: {
type: "string[]",
label: "Channels",
description: "The channels you'd like to watch for new messages",
propDefinition: [
discord,
"channelId",
({ guildId }) => ({
guildId,
}),
],
},
emitEventsInBatch: {
type: "boolean",
label: "Emit messages as a single event",
description:
"If `true`, all messages are emitted as an array, within a single Pipedream event. Defaults to `false`, emitting each Discord message as its own event in Pipedream",
optional: true,
default: false,
},
ignoreBotMessages: {
type: "boolean",
label: "Ignore Bot Messages",
description: "Set to `true` to only emit messages NOT from the configured Discord bot",
optional: true,
},
timer: {
type: "$.interface.timer",
default: {
intervalSeconds: DEFAULT_POLLING_SOURCE_TIMER_INTERVAL,
},
},
},
hooks: {
async deploy() {
if (this.ignoreBotMessages) {
const { id } = await this.getBotProfile();
this._setBotId(id);
}
},
},
async run({ $ }) {
let lastMessageIDs = this._getLastMessageIDs();
const botId = this.ignoreBotMessages
? this._getBotId()
: null;
for (const channelId of this.channels) {
let lastMessageID;
let messages = [];
if (!lastMessageID) {
messages = await this.discord.getMessages({
$,
channelId,
params: {
limit: 100,
},
});
lastMessageID = messages.length
? maxBy(messages, (message) => message.id).id
: 1;
} else {
let newMessages = [];
do {
newMessages = await this.discord.getMessages({
$,
channelId,
params: {
after: lastMessageIDs[channelId],
},
});
messages = messages.concat(newMessages);
lastMessageID = newMessages.length
? maxBy(newMessages, (message) => message.id).id
: lastMessageIDs[channelId];
} while (newMessages.length);
}
lastMessageIDs[channelId] = lastMessageID;
if (!messages.length) {
console.log(`No new messages in channel ${channelId}`);
return;
}
if (botId) {
messages = messages.filter((message) => message.author.id !== botId);
}
console.log(`${messages.length} new messages in channel ${channelId}`);
if (this.emitEventsInBatch) {
const suffixChar =
messages.length > 1
? "s"
: "";
this.$emit(messages, {
summary: `${messages.length} new message${suffixChar}`,
id: lastMessageID,
});
} else {
messages.forEach((message) => {
this.$emit(message, {
summary: message.content,
id: message.id,
});
});
}
}
this._setLastMessageIDs(lastMessageIDs);
},
sampleEmit,
};
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