Add feed loader

2024-04-12 14:27:55 -07:00
parent 9530ab4cf4
commit e5519b633d
6 changed files with 479 additions and 214 deletions
@@ -0,0 +1,75 @@
+
+import {inc, now, isNil} from '@coracle.social/lib'
+import type {Rumor, Filter} from '@coracle.social/util'
+import {Tags, getIdFilters, mergeFilters} from '@coracle.social/util'
+
+export enum FeedType {
+  Difference = "\\",
+  Intersection = "∩",
+  SymmetricDifference = "Δ",
+  Union = "∪",
+  Filter = "filter",
+  Relay = "relay",
+  List = "list",
+  LOL = "lol",
+  DVM = "dvm",
+}
+
+export enum Scope {
+  Self = "self",
+  Follows = "follows",
+  Followers = "followers",
+}
+
+export type DynamicFilter = Filter & {
+  scopes?: Scope[]
+  min_wot?: number
+  max_wot?: number
+  until_ago?: number
+  since_ago?: number
+}
+
+export type DVMRequest = {
+  kind: number
+  tags?: string[][]
+}
+
+export type DifferenceFeed = [FeedType.Difference, ...Feed[]]
+export type IntersectionFeed = [FeedType.Intersection, ...Feed[]]
+export type SymmetricDifferenceFeed = [FeedType.SymmetricDifference, ...Feed[]]
+export type UnionFeed = [FeedType.Union, ...Feed[]]
+export type FilterFeed = [FeedType.Filter, ...DynamicFilter[]]
+export type RelayFeed = [FeedType.Relay, ...string[]]
+export type ListFeed = [FeedType.List, ...string[]]
+export type LOLFeed = [FeedType.LOL, ...string[]]
+export type DVMFeed = [FeedType.DVM, ...DVMRequest[]]
+
+export type Feed =
+  DifferenceFeed |
+  IntersectionFeed |
+  SymmetricDifferenceFeed |
+  UnionFeed |
+  FilterFeed |
+  RelayFeed |
+  ListFeed |
+  LOLFeed |
+  DVMFeed
+
+export const difference = (...feeds: Feed[]) =>
+  [FeedType.Difference, ...feeds] as DifferenceFeed
+export const intersection = (...feeds: Feed[]) =>
+  [FeedType.Intersection, ...feeds] as IntersectionFeed
+export const symmetricDifference = (...feeds: Feed[]) =>
+  [FeedType.SymmetricDifference, ...feeds] as SymmetricDifferenceFeed
+export const union = (...feeds: Feed[]) =>
+  [FeedType.Union, ...feeds] as UnionFeed
+export const filter = (...filters: DynamicFilter[]) =>
+  [FeedType.Filter, ...filters] as FilterFeed
+export const relay = (...relays: string[]) =>
+  [FeedType.Relay, ...relays] as RelayFeed
+export const list = (...addresses: string[]) =>
+  [FeedType.List, ...addresses] as ListFeed
+export const lol = (...addresses: string[]) =>
+  [FeedType.LOL, ...addresses] as LOLFeed
+export const dvm = (...requests: DVMRequest[]) =>
+  [FeedType.DVM, ...requests] as DVMFeed