Created
February 5, 2018 20:54
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var when = require('when'); | |
var AWS = require('aws-sdk'); | |
var _ = require('lodash'); | |
var s3; | |
var bucket = null; | |
function getImage(url) { | |
return when.promise(function(resolve, reject) { | |
if(!bucket) { | |
return reject('no bucket defined'); | |
} | |
console.time('s3.getObject - ' + url); | |
s3.getObject({ | |
Bucket: bucket, | |
Key: url | |
}, function(err, image) { | |
console.log('get image from S3 - :url'.replace(':url', url)); | |
console.timeEnd('s3.getObject - ' + url); | |
if(err) reject(err); | |
if(!err) { | |
image.Key = url; | |
resolve(image); | |
} | |
}); | |
}) | |
} | |
var saveImage = _.curry(function(name, image) { | |
return when.promise(function(resolve, reject) { | |
if(!bucket) { | |
return reject('no bucket defined'); | |
} | |
console.log('saving image to S3'); | |
s3.putObject({ | |
Bucket: bucket, | |
Key: name, | |
Body: image.Body | |
}, function(err, image) { | |
if(err) reject(err); | |
if(!err) resolve(image); | |
}); | |
}); | |
}); | |
function init(opts) { | |
bucket = opts.bucketName; | |
s3 = new AWS.S3({ | |
region: 'us-west-2', | |
params: { | |
Bucket: opts.bucketUrl | |
} | |
}); | |
} | |
exports.getImage = getImage; | |
exports.saveImage = saveImage; | |
exports.init = init; |
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