-
Notifications
You must be signed in to change notification settings - Fork 0
/
videoFunctions.js
163 lines (144 loc) · 4.12 KB
/
videoFunctions.js
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
const AWS = require('aws-sdk');
const s3 = new AWS.S3();
const dynamo = new AWS.DynamoDB.DocumentClient();
const tableName = process.env.TABLE_NAME;
const region = process.env.REGION;
const bucketName = process.env.BUCKET_NAME;
AWS.config.update({ region });
exports.handler = async (event, context) => {
let body;
let statusCode = 200;
let headers = {
'Content-Type': 'application/json',
};
try {
switch (event.routeKey) {
case 'POST /videos/{projectId}': //get PresignedURL
const keyObject = JSON.parse(event.body);
const bucket = bucketName;
const key = keyObject.upload.key;
const signedUrlExpireSeconds = 60 * 5;
const presignedURL = s3.getSignedUrl('putObject', {
Bucket: bucket,
Key: key,
Expires: signedUrlExpireSeconds,
ContentType: 'video/mp4',
ACL: 'public-read',
});
console.log('presignedURL: ', presignedURL);
body = {
message: 'PresignedUrl returned',
};
return presignedURL;
case 'DELETE /video/{id}':
const requestJSON = JSON.parse(event.body);
const s3Url = requestJSON.s3Url;
const params = {
Bucket: bucketName,
Key: s3Url,
};
await s3
.deleteObject(params, (err, data) => {
if (err) {
console.log('error: ', err);
} else {
console.log('success: ', data);
}
})
.promise();
body = `Deleted video ${event.pathParameters.id}`;
break;
case 'GET /videos/{projectId}':
const getVideosByProjectIdParams = {
TableName: tableName,
IndexName: 'projectId-timeStamp-index',
ExpressionAttributeValues: {
':projectId': event.pathParameters.projectId,
},
KeyConditionExpression: 'projectId = :projectId',
};
body = await dynamo
.query(getVideosByProjectIdParams, (err, data) => {
if (err) {
console.log('err: ', err);
} else {
console.log('success: ', data);
}
})
.promise();
break;
//GET VIDEO BY ID
case 'GET /video/{id}':
body = await dynamo
.get(
{
TableName: tableName,
Key: {
id: event.pathParameters.id,
},
},
(err, data) => {
if (err) {
console.log('err: ', err);
} else {
console.log('data: ', data);
}
}
)
.promise();
break;
//GET VIDEOS BY USER ID
case 'GET /videos/user/{userId}':
const getVideosByUserIdParams = {
TableName: tableName,
IndexName: 'userId-timeStamp-index',
ExpressionAttributeValues: {
':userId': event.pathParameters.userId,
},
KeyConditionExpression: 'userId = :userId',
};
body = await dynamo
.query(getVideosByUserIdParams, (err, data) => {
if (err) {
console.log('err: ', err);
} else {
console.log('success: ', data);
}
})
.promise();
break;
case 'DELETE /videos/{projectId}':
await dynamo
.batchWriteItem(
{
TableName: tableName,
Key: {
projectId: event.pathParameters.projectId,
},
},
(err, data) => {
if (err) {
console.log('err: ', err);
} else {
console.log('success: ', data);
}
}
)
.promise();
body = `Deleted all videos from project ${event.pathParameters.projectId}`;
break;
default:
throw new Error(`Unsupported route: "${event.routeKey}"`);
}
} catch (err) {
statusCode = 400;
body = err.message;
} finally {
body = JSON.stringify(body);
}
return {
statusCode,
body,
headers,
};
};