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August 2, 2021 14:29
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React hook for uploading files to an s3 presigned url. this required the useService hook
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import { useState } from 'react'; | |
import useService, { DELETE, PUT } from 'hooks/useService'; | |
const useFileUploadHook = () => { | |
const [{}, fireApi] = useService(); | |
const [filesUploaded, setFilesUploaded] = useState(1); | |
const [uploading, setUploading] = useState(false); | |
const [overallProgress, setOverallProgress] = useState(0); | |
const mashToS3 = async ({ file, goalPercentage, url }) => { | |
const form = new FormData(); | |
form.append('file', file); | |
try { | |
return await fireApi({ | |
baseURL: undefined, | |
url, | |
method: PUT, | |
headers: { | |
'Content-Type': file.type, | |
}, | |
persist_changes: false, | |
onUploadProgress: data => onUploadProgress(data, goalPercentage), | |
params: file, | |
}); | |
} catch (e) { | |
console.log({ e }); | |
} finally { | |
setUploading(false); | |
} | |
}; | |
const deleteFile = ({ module, module_id, file_id, image_type }) => { | |
let url = `${module}/${module_id}/images/${file_id}`; | |
return fireApi({ | |
persist_changes: false, | |
method: DELETE, | |
url, | |
params: { | |
image_type, | |
}, | |
}); | |
}; | |
const onUploadProgress = (data, _goalPercentage, { debug = false } = {}) => { | |
const { loaded, total } = data; | |
const currentPercentage = Math.floor((loaded / total) * 100); | |
const new_percentage_progress = (currentPercentage * filesUploaded) / _goalPercentage * 100; | |
if (new_percentage_progress > currentPercentage) { | |
setOverallProgress(new_percentage_progress); | |
} | |
debug && console.log({ | |
filesUploaded, | |
new_percentage_progress, | |
newProgress: currentPercentage, | |
_goalPercentage, | |
loaded, | |
total, | |
data, | |
}); | |
}; | |
const uploadFile = async ({ record_id, file }) => { | |
setUploading(true); | |
setFilesUploaded(1); | |
setOverallProgress(0); | |
const { url } = await fireApi({ | |
url: `file_url/${record_id}/create`, | |
persist_changes: false, | |
params: { | |
file_name: file.name, | |
file_type: file.type, | |
}, | |
}); | |
return mashToS3({ | |
file, | |
url, | |
goalPercentage: 100, | |
}); | |
}; | |
const uploadImages = async ({ file_type = 'images', record_id, files = [] }) => { | |
const filesArray = Array.from(files); | |
setUploading(true); | |
setFilesUploaded(filesArray.length); | |
const apiUrl = `/${record_id}/${file_type}/create`; | |
const goalPercentage = 100 * filesArray.length; | |
const filePromises = Array.from(filesArray).map(async file => { | |
// get the presigned url | |
const { url } = await fireApi({ | |
url: apiUrl, | |
params: { | |
file_name: file.name, | |
file_type: file.type, | |
}, | |
persist_changes: false, | |
}); | |
// mash the file into s3 using the presigned url | |
return mashToS3({ | |
goalPercentage, | |
file, | |
url, | |
}); | |
}); | |
// await all uploads | |
try { | |
await Promise.all(filePromises); | |
return filePromises; | |
} catch (e) { | |
return []; | |
} finally { | |
setUploading(false); | |
} | |
}; | |
return [ | |
{ uploading, progress: overallProgress }, | |
{ uploadFile, uploadImages, deleteFile }, | |
]; | |
}; | |
export default useFileUploadHook; |
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