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108 changes: 92 additions & 16 deletions src/hooks/use-package-stars.ts
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ import { useMutation, useQuery, useQueryClient } from "react-query"
import { useAxios } from "./use-axios"
import { usePackageByName } from "./use-package-by-package-name"
import { usePackageById } from "./use-package-by-package-id"
import { Package } from "fake-snippets-api/lib/db/schema"

type PackageStarQuery = { package_id: string } | { name: string }

Expand Down Expand Up @@ -39,11 +40,24 @@ export const usePackageStarMutation = (query: PackageStarQuery) => {
const axios = useAxios()
const queryClient = useQueryClient()

const getPackageQueryKey = () => {
if ("name" in query) return ["package", query.name]
return ["package", query.package_id]
}

const updatePackageCache = (updater: (pkg: Package) => Package) => {
const packageKey = getPackageQueryKey()
const packageData = queryClient.getQueryData<Package>(packageKey)
if (packageData) {
queryClient.setQueryData(packageKey, updater(packageData))
}
}

const addStar = useMutation<
any,
Package,
Error,
void,
{ previousStars?: PackageStarResponse }
{ previousStars?: PackageStarResponse; previousPackage?: Package }
>(
async () => {
const { data } = await axios.post("/packages/add_star", query)
Expand All @@ -52,16 +66,32 @@ export const usePackageStarMutation = (query: PackageStarQuery) => {
{
onMutate: async () => {
await queryClient.cancelQueries(["packageStars", query])
await queryClient.cancelQueries(getPackageQueryKey())

const previousStars = queryClient.getQueryData<PackageStarResponse>([
"packageStars",
query,
])
const optimistic: PackageStarResponse = {
const previousPackage = queryClient.getQueryData<Package>(
getPackageQueryKey(),
)

const optimisticStars: PackageStarResponse = {
is_starred: true,
star_count: (previousStars?.star_count ?? 0) + 1,
star_count:
(previousStars?.star_count ?? previousPackage?.star_count ?? 0) + 1,
}
queryClient.setQueryData(["packageStars", query], optimistic)
return { previousStars }
queryClient.setQueryData(["packageStars", query], optimisticStars)

if (previousPackage) {
queryClient.setQueryData(getPackageQueryKey(), {
...previousPackage,
is_starred: true,
star_count: optimisticStars.star_count,
})
}

return { previousStars, previousPackage }
},
onError: (_error, _vars, context) => {
if (context?.previousStars) {
Expand All @@ -70,18 +100,32 @@ export const usePackageStarMutation = (query: PackageStarQuery) => {
context.previousStars,
)
}
if (context?.previousPackage) {
queryClient.setQueryData(
getPackageQueryKey(),
context.previousPackage,
)
}
},
onSettled: () => {
queryClient.invalidateQueries(["packageStars", query])
onSuccess: () => {
const starsData = queryClient.getQueryData<PackageStarResponse>([
"packageStars",
query,
])
updatePackageCache((pkg) => ({
...pkg,
is_starred: starsData?.is_starred ?? true,
star_count: starsData?.star_count ?? pkg.star_count,
}))
},
},
)

const removeStar = useMutation<
any,
Package,
Error,
void,
{ previousStars?: PackageStarResponse }
{ previousStars?: PackageStarResponse; previousPackage?: Package }
>(
async () => {
const { data } = await axios.post("/packages/remove_star", query)
Expand All @@ -90,16 +134,34 @@ export const usePackageStarMutation = (query: PackageStarQuery) => {
{
onMutate: async () => {
await queryClient.cancelQueries(["packageStars", query])
await queryClient.cancelQueries(getPackageQueryKey())

const previousStars = queryClient.getQueryData<PackageStarResponse>([
"packageStars",
query,
])
const optimistic: PackageStarResponse = {
const previousPackage = queryClient.getQueryData<Package>(
getPackageQueryKey(),
)

const optimisticStars: PackageStarResponse = {
is_starred: false,
star_count: Math.max(0, (previousStars?.star_count ?? 1) - 1),
star_count: Math.max(
0,
(previousStars?.star_count ?? previousPackage?.star_count ?? 1) - 1,
),
}
queryClient.setQueryData(["packageStars", query], optimisticStars)

if (previousPackage) {
queryClient.setQueryData(getPackageQueryKey(), {
...previousPackage,
is_starred: false,
star_count: optimisticStars.star_count,
})
}
queryClient.setQueryData(["packageStars", query], optimistic)
return { previousStars }

return { previousStars, previousPackage }
},
onError: (_error, _vars, context) => {
if (context?.previousStars) {
Expand All @@ -108,9 +170,23 @@ export const usePackageStarMutation = (query: PackageStarQuery) => {
context.previousStars,
)
}
if (context?.previousPackage) {
queryClient.setQueryData(
getPackageQueryKey(),
context.previousPackage,
)
}
},
onSettled: () => {
queryClient.invalidateQueries(["packageStars", query])
onSuccess: () => {
const starsData = queryClient.getQueryData<PackageStarResponse>([
"packageStars",
query,
])
updatePackageCache((pkg) => ({
...pkg,
is_starred: starsData?.is_starred ?? false,
star_count: starsData?.star_count ?? pkg.star_count,
}))
},
},
)
Expand Down