@jackdbd/r2-media-store/lib/delete.js

Store Micropub media in a Cloudflare R2 bucket.

import { DeleteObjectCommand } from '@aws-sdk/client-s3';
import { defaultLog } from './log.js';
const defaults = {
    log: defaultLog
};
export const defHardDeleteMedia = (options) => {
    const config = Object.assign({}, defaults, options);
    const { bucket_name, bucket_prefix, log, s3 } = config;
    const hardDeleteMedia = async (url) => {
        // TODO: extract this to a separate function, so it can be easily tested
        const splits = url.split('/');
        const filename = splits.at(-1);
        const bucket_path = `${bucket_prefix}${filename}`;
        const params = {
            Bucket: bucket_name,
            Key: bucket_path
        };
        log.debug(`deleting ${filename} from bucket ${bucket_name} at ${bucket_path}`);
        // TODO: how do we know if the operation succeeded? From output.$metadata?
        const output = await s3.send(new DeleteObjectCommand(params));
        // The output is the same, whether the object existed and was deleted, or
        // if it didn't exist in the first place.
        // const { VersionId: version_id, $metadata: meta } = output;
        // const status_code = meta.httpStatusCode || 204;
        // const status_text = status_code === 204 ? "No Content" : "Success";
        const { VersionId: version_id } = output;
        const details = [];
        if (version_id) {
            details.push(`The file that was hosted on Cloudflare R2 bucket ${bucket_name} at ${bucket_path} (Version ID: ${version_id}) is no longer available at ${url}.`);
        }
        else {
            details.push(`The file that was hosted on Cloudflare R2 bucket ${bucket_name} at ${bucket_path} is no longer available at ${url}.`);
        }
        const summary = `Deleted ${url} (hard-delete)`;
        log.debug(summary);
        details.forEach(log.debug);
        return { summary, details };
    };
    return hardDeleteMedia;
};
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