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Connect Amazon S3 CSV file and Supabase CSV file in our serverless environment

Use this template to Read CSV file entries from Amazon S3 bucket using them to create CSV file entries in Supabase bucket.

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Read CSV file entries from Amazon S3 bucket

Used integrations:
class AwsS3SourceReadRemoteCsv {
async init() {
// TODO: Create your aws-s3 credential
// More info at https://yepcode.io/docs/integrations/aws-s3/#credential-configuration
this.awsS3 = yepcode.integration.awsS3("your-aws-s3-credential-name");
}

async fetch(publish, done) {
// TODO: Customize the command to be executed
// More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-s3/interfaces/getobjectcommandinput.html
const getObjectCommand = new GetObjectCommand({
Bucket: "your-bucket-name",
Key: "your-file-name",
});

const getObjectResult = await this.awsS3.send(getObjectCommand);

// Result.Body is a stream of object content
getObjectResult.Body.pipe(
csv.parse({
delimiter: ",",
columns: true,
})
)
.on("data", publish)
.on("end", done);
}

async close() {}
}

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Create CSV file entries in Supabase bucket

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

this.items = [];
}

async consume(item) {
// TODO: Customize your csv row
const csvRow = [item.id, item.name];
this.items.push(csvRow);
}

async close() {
try {
// Transform items to CSV entries
const csvFileContent = csv.stringify(this.items, {
delimiter: ",",
});
// TODO: adapt bucket and files management
// You may check the full API documentation at:
// Check docs at https://supabase.com/docs/reference/javascript/storage-from-upload
const {
data,
error
} = await this.supabase.storage
.from("your-bucket-name")
.upload(`your-new-file.csv`, csvFileContent, {
contentType: "text/csv",
});

if (error) {
throw error;
}
} catch (error) {
console.error(`Error ending upload`, error);
}
}
}

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