manifold/web/hooks/use-user.ts
2022-10-13 13:49:48 -05:00

91 lines
3.0 KiB
TypeScript

import { useContext } from 'react'
import {
useFirestoreDocumentData,
useFirestoreQueryData,
} from '@react-query-firebase/firestore'
import { useQuery, useQueryClient } from 'react-query'
import { doc, DocumentData } from 'firebase/firestore'
import { getUser, User, users } from 'web/lib/firebase/users'
import { AuthContext } from 'web/components/auth-context'
import { ContractMetrics } from 'common/calculate-metrics'
import { getUserContractMetricsQuery } from 'web/lib/firebase/contract-metrics'
import { getContractFromId } from 'web/lib/firebase/contracts'
import { buildArray, filterDefined } from 'common/util/array'
import { CPMMBinaryContract } from 'common/contract'
export const useUser = () => {
const authUser = useContext(AuthContext)
return authUser ? authUser.user : authUser
}
export const usePrivateUser = () => {
const authUser = useContext(AuthContext)
return authUser ? authUser.privateUser : authUser
}
export const useUserById = (userId = '_') => {
const result = useFirestoreDocumentData<DocumentData, User>(
['users', userId],
doc(users, userId),
{ subscribe: true, includeMetadataChanges: true }
)
if (userId === '_') return undefined
return result.isLoading ? undefined : result.data
}
export const usePrefetchUser = (userId: string) => {
return usePrefetchUsers([userId])[0]
}
export const usePrefetchUsers = (userIds: string[]) => {
const queryClient = useQueryClient()
return userIds.map((userId) =>
queryClient.prefetchQuery(['users', userId], () => getUser(userId))
)
}
export const useUserContractMetricsByProfit = (userId: string, count = 50) => {
const positiveResult = useFirestoreQueryData<ContractMetrics>(
['contract-metrics-descending', userId, count],
getUserContractMetricsQuery(userId, count, 'desc')
)
const negativeResult = useFirestoreQueryData<ContractMetrics>(
['contract-metrics-ascending', userId, count],
getUserContractMetricsQuery(userId, count, 'asc')
)
const metrics = buildArray(positiveResult.data, negativeResult.data)
const contractIds = metrics.map((m) => m.contractId)
const contractResult = useQuery(['contracts', contractIds], () =>
Promise.all(contractIds.map(getContractFromId))
)
const contracts = contractResult.data
if (!positiveResult.data || !negativeResult.data || !contracts)
return undefined
const filteredContracts = filterDefined(contracts).filter(
(c) => !c.isResolved
) as CPMMBinaryContract[]
const filteredMetrics = metrics
.filter((m) => m.from && Math.abs(m.from.day.profit) >= 0.5)
.filter((m) => filteredContracts.find((c) => c.id === m.contractId))
return { contracts: filteredContracts, metrics: filteredMetrics }
}
export const useUserContractMetrics = (userId = '_', contractId: string) => {
const result = useFirestoreDocumentData<DocumentData, ContractMetrics>(
['user-contract-metrics', userId, contractId],
doc(users, userId, 'contract-metrics', contractId)
)
if (userId === '_') return undefined
return result.data
}