manifold/web/lib/firebase/folds.ts

58 lines
1.7 KiB
TypeScript

import { collection, query, where } from 'firebase/firestore'
import { Fold } from '../../../common/fold'
import { Contract, contractCollection } from './contracts'
import { db } from './init'
import { getValues } from './utils'
const foldCollection = collection(db, 'folds')
export async function getFoldBySlug(slug: string) {
const q = query(foldCollection, where('slug', '==', slug))
const folds = await getValues<Fold>(q)
return folds.length === 0 ? null : folds[0]
}
export async function getFoldContracts(fold: Fold) {
const {
tags,
contractIds,
excludedContractIds,
creatorIds,
excludedCreatorIds,
} = fold
const [tagsContracts, includedContracts] = await Promise.all([
// TODO: if tags.length > 10, execute multiple parallel queries
getValues<Contract>(
query(contractCollection, where('tags', 'array-contains-any', tags))
),
// TODO: if contractIds.length > 10, execute multiple parallel queries
contractIds.length > 0
? getValues<Contract>(
query(contractCollection, where('id', 'in', contractIds))
)
: [],
])
const excludedContractsSet = new Set(excludedContractIds)
const creatorSet = creatorIds ? new Set(creatorIds) : undefined
const excludedCreatorSet = excludedCreatorIds
? new Set(excludedCreatorIds)
: undefined
const approvedContracts = tagsContracts.filter((contract) => {
const { id, creatorId } = contract
if (excludedContractsSet.has(id)) return false
if (creatorSet && !creatorSet.has(creatorId)) return false
if (excludedCreatorSet && excludedCreatorSet.has(creatorId)) return false
return true
})
return [...approvedContracts, ...includedContracts]
}