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import { getMetaValue } from "./helpers"
export class BlobRecord {
constructor(file, checksum, url) {
this.file = file
this.attributes = {
filename: file.name,
content_type: file.type,
byte_size: file.size,
checksum: checksum
}
this.xhr = new XMLHttpRequest
this.xhr.open("POST", url, true)
this.xhr.responseType = "json"
this.xhr.setRequestHeader("Content-Type", "application/json")
this.xhr.setRequestHeader("Accept", "application/json")
this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
this.xhr.setRequestHeader("X-CSRF-Token", getMetaValue("csrf-token"))
this.xhr.addEventListener("load", event => this.requestDidLoad(event))
this.xhr.addEventListener("error", event => this.requestDidError(event))
}
create(callback) {
this.callback = callback
this.xhr.send(JSON.stringify({ blob: this.attributes }))
}
requestDidLoad(event) {
const { status, response } = this.xhr
if (status >= 200 && status < 300) {
this.attributes.signed_id = response.signed_blob_id
this.uploadURL = response.upload_to_url
this.callback(null, this.toJSON())
} else {
this.requestDidError(event)
}
}
requestDidError(event) {
this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.xhr.status}`)
}
toJSON() {
const result = {}
for (const key in this.attributes) {
result[key] = this.attributes[key]
}
return result
}
}
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