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get-note.js
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get-note.js
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const AWS = require('aws-sdk');
AWS.config.update({ region: 'us-west-1' });
const _ = require('underscore');
const util = require('./util.js');
const dynamodb = new AWS.DynamoDB.DocumentClient();
const tableName = process.env.NOTES_TABLE;
exports.handler = async (event) => {
try {
let note_id = decodeURIComponent(event.pathParameters.note_id);
let parameters = {
TableName: tableName,
IndexName: "note_id-index",
KeyConditionExpression: "note_id = :note_id",
ExpressionAttributeValues: {
":note_id": note_id
},
Limit: 1
};
let table_data = await dynamodb.query(parameters).promise();
if(!_.isEmpty(table_data.Items)) {
return {
statusCode: 200,
headers: util.getResponseHeaders(),
body: JSON.stringify(table_data.Items[0])
};
} else {
return {
statusCode: 404,
headers: util.getResponseHeaders()
};
}
} catch (err) {
console.log("Error", err);
return {
statusCode: err.statusCode ? err.statusCode : 500,
headers: util.getResponseHeaders(),
body: JSON.stringify({
error: err.name ? err.name : "Exception",
message: err.message ? err.message : "Unknown error"
})
};
}
}