Files
supabase/apps/studio/data/misc/get-default-region-query.ts
2024-03-04 20:48:22 +08:00

78 lines
2.9 KiB
TypeScript

import { useQuery, UseQueryOptions } from '@tanstack/react-query'
import type { ResponseError } from 'types'
import { miscKeys } from './keys'
import { COUNTRY_LAT_LON } from 'components/interfaces/ProjectCreation/ProjectCreation.constants'
import { getDistanceLatLonKM } from 'lib/helpers'
import {
AWS_REGIONS_COORDINATES,
FLY_REGIONS_COORDINATES,
} from 'components/interfaces/Settings/Infrastructure/InfrastructureConfiguration/InstanceConfiguration.constants'
import { AWS_REGIONS, FLY_REGIONS } from 'lib/constants'
const RESTRICTED_POOL = ['WEST_US', 'CENTRAL_EU', 'SOUTHEAST_ASIA']
export type DefaultRegionVariables = {
cloudProvider?: 'AWS' | 'FLY'
useRestrictedPool?: boolean
}
export async function getDefaultRegionOption({
cloudProvider,
useRestrictedPool = true,
}: DefaultRegionVariables) {
if (!cloudProvider) throw new Error('Cloud provider is required')
try {
const data = await fetch('https://www.cloudflare.com/cdn-cgi/trace').then((res) => res.text())
const locationCode: keyof typeof COUNTRY_LAT_LON = Object.fromEntries(
data.split('\n').map((item) => item.split('='))
)['loc']
const locLatLon = COUNTRY_LAT_LON[locationCode]
if (locLatLon === undefined) return undefined
const allRegions = cloudProvider === 'AWS' ? AWS_REGIONS_COORDINATES : FLY_REGIONS_COORDINATES
const locations = useRestrictedPool
? Object.entries(allRegions)
.filter((x) => RESTRICTED_POOL.includes(x[0]))
.reduce((o, val) => ({ ...o, [val[0]]: val[1] }), {})
: allRegions
const distances = Object.keys(locations).map((reg) => {
const region: { lat: number; lon: number } = {
lat: locations[reg as keyof typeof locations][1],
lon: locations[reg as keyof typeof locations][0],
}
return getDistanceLatLonKM(locLatLon.lat, locLatLon.lon, region.lat, region.lon)
})
const shortestDistance = Math.min(...distances)
const closestRegion = Object.keys(locations)[distances.indexOf(shortestDistance)]
return cloudProvider === 'AWS'
? AWS_REGIONS[closestRegion as keyof typeof AWS_REGIONS]
: FLY_REGIONS[closestRegion as keyof typeof FLY_REGIONS]
} catch (error) {
throw error
}
}
export type DefaultRegionData = Awaited<ReturnType<typeof getDefaultRegionOption>>
export type DefaultRegionError = ResponseError
export const useDefaultRegionQuery = <TData = DefaultRegionData>(
{ cloudProvider, useRestrictedPool }: DefaultRegionVariables,
{ enabled = true, ...options }: UseQueryOptions<DefaultRegionData, DefaultRegionError, TData> = {}
) =>
useQuery<DefaultRegionData, DefaultRegionError, TData>(
miscKeys.defaultRegion(cloudProvider, useRestrictedPool ?? true),
() => getDefaultRegionOption({ cloudProvider, useRestrictedPool }),
{
enabled: enabled && typeof cloudProvider !== 'undefined',
retry(failureCount) {
return failureCount < 1
},
...options,
}
)