The anticipation of knowing that something you're capable of building can solve a problem you've been struggling with for a long time, but you can't actually see it work until you build it.
A full file/object storage service in ~30 lines of Oak!
with server.route('/blob/:fileName') fn(params) fn(req, end) if req.method {
'GET' -> with fs.readFile(path.join(BlobDir, params.fileName)) fn(file) if file {
? -> end(http.NotFound)
_ -> end({
status: 200
headers: { 'Content-Type': http.mimeForPath(params.fileName) }
body: file
})
}
'POST' -> if ext := params.fileName |> str.split('.') |> std.last() |> str.lower() {
'jpg', 'jpeg', 'png', 'svg', 'gif', 'gifv' -> {
blobPath := crypto.uuid() + '.' + ext
with fs.writeFile(path.join(BlobDir, blobPath), req.body) fn(res) if res {
? -> end({
status: 500
headers: { 'Content-Type': http.MimeTypes.txt }
body: 'could not save blob'
})
_ -> end({
status: 201
headers: { 'Content-Type': http.MimeTypes.txt }
body: blobPath
})
}
}
_ -> end({
status: 400
headers: { 'Content-Type': http.MimeTypes.txt }
body: 'unsupported file type'
})
}
_ -> end(http.MethodNotAllowed)
}I wrote this as a part of my work to add file upload/attachment support to Lig3, but I might pull this out as a separate cross-app service for my personal infrastructure because it's so simple and it's something every app needs at some point.