2023-11-02 01:48:34 +01:00

85 lines
2.7 KiB
JavaScript

import { GraphQLError } from 'graphql'
import { IMAGE_PIXELS_MAX, UPLOAD_SIZE_MAX, UPLOAD_TYPES_ALLOW } from '../../lib/constants'
import { createPresignedPost } from '../s3'
import { datePivot } from '../../lib/time'
import serialize from './serial'
// factor for bytes to megabyte
const MB = 1024 * 1024
// factor for msats to sats
const SATS = 1000
async function uploadCosts (models, userId, photoId, size) {
let { _sum: { size: sumSize } } = await models.upload.aggregate({
_sum: { size: true },
where: { userId, createdAt: { gt: datePivot(new Date(), { days: -1 }) }, id: photoId ? { not: photoId } : undefined }
})
// assume the image was already uploaded in the calculation
sumSize += size
if (sumSize <= 5 * MB) {
return 0 * SATS
}
if (sumSize <= 10 * MB) {
return 10 * SATS
}
if (sumSize <= 25 * MB) {
return 100 * SATS
}
if (sumSize <= 100 * MB) {
return 1000 * SATS
}
return -1
}
export default {
Mutation: {
getSignedPOST: async (parent, { type, size, width, height, avatar }, { models, me }) => {
if (!me) {
throw new GraphQLError('you must be logged in to get a signed url', { extensions: { code: 'FORBIDDEN' } })
}
if (UPLOAD_TYPES_ALLOW.indexOf(type) === -1) {
throw new GraphQLError(`image must be ${UPLOAD_TYPES_ALLOW.map(t => t.replace('image/', '')).join(', ')}`, { extensions: { code: 'BAD_INPUT' } })
}
if (size > UPLOAD_SIZE_MAX) {
throw new GraphQLError(`image must be less than ${UPLOAD_SIZE_MAX} bytes`, { extensions: { code: 'BAD_INPUT' } })
}
if (width * height > IMAGE_PIXELS_MAX) {
throw new GraphQLError(`image must be less than ${IMAGE_PIXELS_MAX} pixels`, { extensions: { code: 'BAD_INPUT' } })
}
const { photoId } = await models.user.findUnique({ where: { id: me.id } })
const costs = avatar ? 0 : await uploadCosts(models, me.id, photoId, size)
if (costs < 0) {
throw new GraphQLError('image quota of 100 MB exceeded', { extensions: { code: 'BAD_INPUT' } })
}
const feeTx = models.user.update({ data: { msats: { decrement: costs } }, where: { id: me.id } })
const data = {
type,
size,
width,
height,
userId: me.id
}
let uploadId
if (avatar && photoId) uploadId = photoId
if (uploadId) {
// update upload record
await serialize(models, models.upload.update({ data, where: { id: uploadId } }), feeTx)
} else {
// create upload record
const [upload] = await serialize(models, models.upload.create({ data }), feeTx)
uploadId = upload.id
}
// get presigned POST url
return createPresignedPost({ key: String(uploadId), type, size })
}
}
}