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How can I call a Component from Code?
I want to download all atachments of a Gmail message, but the Gmail Component only accepts one. So I would use a Code step to repeteadly call the getAttachment method and be done with it.
But I cannot find a way to call the getAttachment method from my own code. The this.gmail I get via props only has $auth but no methods!
Hi let’s see if our bot Pi can answer your question:
@U05A7KLNALC: How can I call a Component from Code?
I want to download all atachments of a Gmail message, but the Gmail Component only accepts one. So I would use a Code step to repeteadly call the getAttachment method and be done with it.
But I cannot find a way to call the getAttachment method from my own code. The this.gmail I get via props only has $auth but no methods!
You cannot directly call a Pipedream component like getAttachment from your own code. However, you can achieve your goal by using a code step to iterate over the attachments and call the Gmail “Download Attachment” action for each one. Here’s a general approach you can follow: 1. Use a Code Step to List Attachments: First, use a code step to list all the attachments of a Gmail message. You can use the Gmail API to get the message details and extract the attachment IDs. 2. Iterate Over Attachments: In the same code step, iterate over the list of attachment IDs. 3. Use the “Download Attachment” Action: For each attachment ID, use the Gmail “Download Attachment” action to download the attachment. You will need to configure this action to accept the attachment ID dynamically. Here’s a basic example of how you might set up the code step to list attachments: ```
import { axios } from “@pipedream/platform”; export default defineComponent({ props: { gmail: { type: “app”, app: “gmail”, }, messageId: { type: “string”, label: “Message ID”, }, }, async run({ steps, $ }) { const response = await axios($, { url: https://gmail.googleapis.com/gmail/v1/users/me/messages/${this.messageId}, headers: { Authorization: Bearer ${this.gmail.$auth.oauth_access_token}, }, }); const parts = response.payload.parts; const attachments = parts.filter(part => part.filename && part.body.attachmentId); return attachments.map(attachment => attachment.body.attachmentId); }, });
I’m sorry for any frustration you’re experiencing. It sounds like you’re trying to download multiple attachments using their IDs. To help you with this, you can create a Pipedream workflow that iterates over each attachment ID and downloads the attachments using the “Download Attachment” action. Here’s a general approach you can take: 1. Trigger: Start with a trigger that provides the list of attachment IDs. This could be an HTTP trigger, a schedule, or any other trigger that fits your use case. 2. Loop through Attachment IDs: Use a code step to loop through each attachment ID. For each ID, you can call the “Download Attachment” action. 3. Download Attachment Action: Use the “Download Attachment” action for each ID to download the attachment. You can use Pipedream’s pre-built actions if available, or write a custom code step to handle the download. Here’s a basic example of how you might set up a code step to iterate over attachment IDs: ```
export default defineComponent({ async run({ steps, $ }) { const attachmentIds = steps.trigger.event.attachmentIds; // Replace with your source of attachment IDs for (const id of attachmentIds) { // Call the “Download Attachment” action or write custom code to download the attachment // Example of a custom download function await downloadAttachment(id); } } }); async function downloadAttachment(id) { // Implement your download logic here console.log(Downloading attachment with ID: ${id}); // Use axios or another method to download the attachment }