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Connect Clickhouse and Send WhatsApp messages using Vonage API in our serverless environment

Use this template to Read rows from Clickhouse table using them to send WhatsApp messages using Vonage API.

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Read rows from Clickhouse table

Used integrations:
class ClickhouseSourceSelect {
async init() {
// TODO: Create your clickhouse credential
// More info at https://yepcode.io/docs/integrations/clickhouse/#credential-configuration
this.clickhouse = yepcode.integration.clickhouse(
"your-clickhouse-credential-name"
);
}

async fetch(publish, done) {
// TODO: customize your sql query
const sql = "SELECT * FROM your_table_name";

const resultSet = await this.clickhouse.query({
query: sql,
format: "CSV",
});
const stream = resultSet.stream();
stream.on("data", (rows) => {
rows.forEach(publish);
});
stream.on("end", done);
}

async close() {
await this.clickhouse.close();
}
}

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Send WhatsApp messages using Vonage API

Used integrations:
class HttpTargetVonageSendWhatsapp {
async init() {
// TODO: Create your http credential with Vonage information:
// More info at https://yepcode.io/docs/integrations/http/#credential-configuration
// baseUrl: https://messages-sandbox.nexmo.com/v1
// username: <your-vonage-api-key>
// password: <your-vonage-api-secret>
this.httpClient = yepcode.integration.http(
"your-http-vonage-credential-name"
);
}

async consume(item) {
const WHATSAPP_NUMBER = "14157386204"; // The WhatsApp number that has been allocated to you by Vonage

// TODO: Customize your request checking the API documentation:
// https://dashboard.nexmo.com/messages/sandbox
await this.httpClient.post("/messages", {
from: WHATSAPP_NUMBER,
message_type: "text",
channel: "whatsapp",
to: item.to,
text: item.text,
});
}

async close() {}
}

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