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Move feed utils to its own file

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This commit is contained in:
Jon Staab
2024-05-03 10:30:50 -07:00
parent a343f74241
commit d4cf63e906
10 changed files with 245 additions and 143 deletions
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packages/feeds/core.ts
+5 -73
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@@ -34,18 +34,18 @@ export type FilterFeedType =
FeedType.Relay |
FeedType.Tag
export type TagFilterMapping = [string, FilterFeedType]
export type TagFeedMapping = [string, Feed]
export type DVMItem = {
kind: number,
mappings: TagFilterMapping[],
tags?: string[][],
relays?: string[],
mappings?: TagFeedMapping[],
}
export type ListItem = {
address: string,
mappings: TagFilterMapping[],
mappings: TagFeedMapping[],
}
export type WOTItem = {
@@ -94,74 +94,6 @@ export type Feed =
TagFeed |
UnionFeed
export const addressFeed = (...addresses: string[]): AddressFeed => [FeedType.Address, ...addresses]
export const authorFeed = (...pubkeys: string[]): AuthorFeed => [FeedType.Author, ...pubkeys]
export const createdAtFeed = (...items: CreatedAtItem[]): CreatedAtFeed => [FeedType.CreatedAt, ...items]
export const dvmFeed = (...items: DVMItem[]): DVMFeed => [FeedType.DVM, ...items]
export const differenceFeed = (...feeds: Feed[]): DifferenceFeed => [FeedType.Difference, ...feeds]
export const idFeed = (...ids: string[]): IDFeed => [FeedType.ID, ...ids]
export const intersectionFeed = (...feeds: Feed[]): IntersectionFeed => [FeedType.Intersection, ...feeds]
export const kindFeed = (...kinds: number[]): KindFeed => [FeedType.Kind, ...kinds]
export const listFeed = (...items: ListItem[]): ListFeed => [FeedType.List, ...items]
export const wotFeed = (...items: WOTItem[]): WOTFeed => [FeedType.WOT, ...items]
export const relayFeed = (...urls: string[]): RelayFeed => [FeedType.Relay, ...urls]
export const scopeFeed = (...scopes: Scope[]): ScopeFeed => [FeedType.Scope, ...scopes]
export const searchFeed = (...searches: string[]): SearchFeed => [FeedType.Search, ...searches]
export const symmetricDifferenceFeed = (...feeds: Feed[]): SymmetricDifferenceFeed => [FeedType.SymmetricDifference, ...feeds]
export const tagFeed = (key: string, ...values: string[]): TagFeed => [FeedType.Tag, key, ...values]
export const unionFeed = (...feeds: Feed[]): UnionFeed => [FeedType.Union, ...feeds]
export const feedsFromFilter = ({since, until, ...filter}: Filter) => {
const feeds = []
if (since && until) {
feeds.push(createdAtFeed({since, until}))
} else if (since) {
feeds.push(createdAtFeed({since}))
} else if (until) {
feeds.push(createdAtFeed({until}))
}
for (const [k, v] of Object.entries(filter)) {
if (k === 'ids') feeds.push(idFeed(...v as string[]))
else if (k === 'kinds') feeds.push(kindFeed(...v as number[]))
else if (k === 'authors') feeds.push(authorFeed(...v as string[]))
else if (k.startsWith('#')) feeds.push(tagFeed(k as string, ...v as string[]))
else throw new Error(`Unable to create feed from filter ${k}: ${v}`)
}
return feeds
}
export const feedFromFilter = (filter: Filter) => intersectionFeed(...feedsFromFilter(filter))
export const isAddressFeed = (feed: Feed) => feed[0] === FeedType.Address
export const isAuthorFeed = (feed: Feed) => feed[0] === FeedType.Author
export const isCreatedAtFeed = (feed: Feed) => feed[0] === FeedType.CreatedAt
export const isDvmFeed = (feed: Feed) => feed[0] === FeedType.DVM
export const isDifferenceFeed = (feed: Feed) => feed[0] === FeedType.Difference
export const isIdFeed = (feed: Feed) => feed[0] === FeedType.ID
export const isIntersectionFeed = (feed: Feed) => feed[0] === FeedType.Intersection
export const isKindFeed = (feed: Feed) => feed[0] === FeedType.Kind
export const isListFeed = (feed: Feed) => feed[0] === FeedType.List
export const isWotFeed = (feed: Feed) => feed[0] === FeedType.WOT
export const isRelayFeed = (feed: Feed) => feed[0] === FeedType.Relay
export const isScopeFeed = (feed: Feed) => feed[0] === FeedType.Scope
export const isSearchFeed = (feed: Feed) => feed[0] === FeedType.Search
export const isSymmetricDifferenceFeed = (feed: Feed) => feed[0] === FeedType.SymmetricDifference
export const isTagFeed = (feed: Feed) => feed[0] === FeedType.Tag
export const isUnionFeed = (feed: Feed) => feed[0] === FeedType.Union
export const hasSubFeeds = ([type]: [FeedType, ...any[]]) =>
[
FeedType.Union,
FeedType.Intersection,
FeedType.Difference,
FeedType.SymmetricDifference,
].includes(type)
export const getSubFeeds = ([type, ...feeds]: Feed): Feed[] => hasSubFeeds([type]) ? feeds as Feed[] : []
export type RequestItem = {
relays?: string[]
filters?: Filter[]
@@ -183,7 +115,7 @@ export type DVMOpts<E> = DVMRequest & {
export type FeedOptions<E> = {
request: (opts: RequestOpts<E>) => Promise<void>
requestDvm: (opts: DVMOpts<E>) => Promise<void>
requestDVM: (opts: DVMOpts<E>) => Promise<void>
getPubkeysForScope: (scope: Scope) => string[]
getPubkeysForWotRange: (minWot: number, maxWot: number) => string[]
getPubkeysForWOTRange: (minWOT: number, maxWOT: number) => string[]
}