demo-app/api/index.js at master · vaneek/demo-app · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
'use strict';

console.log('Loading function');
let doc = require('dynamodb-doc');
let dynamo = new doc.DynamoDB();

const tableName = process.env.TABLE_NAME;
const createResponse = (statusCode, body) => {
    return {
        "statusCode": statusCode,
        "body": body || ""
    }
};

exports.get = (event, context, callback) => {
    var params = {
        "TableName": tableName,
        "Key": {
            id: event.pathParameters.resourceId
        }
    };

    dynamo.getItem(params, (err, data) => {
        var response;
        if (err)
            response = createResponse(500, err);
        else
            response = createResponse(200, data.Item ? data.Item.doc : null);
        callback(null, response);
    });
};

exports.put = (event, context, callback) => {
    var item = {
        "id": event.pathParameters.resourceId,
        "doc": event.body
    };

    var params = {
        "TableName": tableName,
        "Item": item
    };

    dynamo.putItem(params, (err, data) => {
        var response;
        if (err)
            response = createResponse(500, err);
        else
            response = createResponse(200, null);
        callback(null, response);
    });
};

exports.delete = (event, context, callback) => {

    var params = {
        "TableName": tableName,
        "Key": {
            "id": event.pathParameters.resourceId
        }
    };

    dynamo.deleteItem(params, (err, data) => {
        var response;
        if (err)
            response = createResponse(500, err);
        else
            response = createResponse(200, null);
        callback(null, response);
    });
};