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Original file line number | Diff line number | Diff line change |
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import AppContext from '../../../../context' | ||
import { Server } from '../../../../lexicon' | ||
import { InvalidRequestError } from '@atproto/xrpc-server' | ||
import AtpAgent from '@atproto/api' | ||
import { AtUri } from '@atproto/syntax' | ||
import { mapDefined } from '@atproto/common' | ||
import { QueryParams } from '../../../../lexicon/types/app/bsky/feed/searchPosts' | ||
import { Database } from '../../../../db' | ||
import { FeedHydrationState, FeedService } from '../../../../services/feed' | ||
import { ActorService } from '../../../../services/actor' | ||
import { createPipeline } from '../../../../pipeline' | ||
|
||
export default function (server: Server, ctx: AppContext) { | ||
const searchPosts = createPipeline( | ||
skeleton, | ||
hydration, | ||
noBlocks, | ||
presentation, | ||
) | ||
server.app.bsky.feed.searchPosts({ | ||
auth: ctx.authOptionalVerifier, | ||
handler: async ({ auth, params }) => { | ||
const viewer = auth.credentials.did | ||
const db = ctx.db.getReplica('search') | ||
const feedService = ctx.services.feed(db) | ||
const actorService = ctx.services.actor(db) | ||
const searchAgent = ctx.searchAgent | ||
if (!searchAgent) { | ||
throw new InvalidRequestError('Search not available') | ||
} | ||
|
||
const results = await searchPosts( | ||
{ ...params, viewer }, | ||
{ db, feedService, actorService, searchAgent }, | ||
) | ||
|
||
return { | ||
encoding: 'application/json', | ||
body: results, | ||
} | ||
}, | ||
}) | ||
} | ||
|
||
const skeleton = async ( | ||
params: Params, | ||
ctx: Context, | ||
): Promise<SkeletonState> => { | ||
const res = await ctx.searchAgent.api.app.bsky.unspecced.searchPostsSkeleton( | ||
params, | ||
) | ||
return { | ||
params, | ||
postUris: res.data.posts.map((a) => a.uri), | ||
cursor: res.data.cursor, | ||
} | ||
} | ||
|
||
const hydration = async ( | ||
state: SkeletonState, | ||
ctx: Context, | ||
): Promise<HydrationState> => { | ||
const { feedService } = ctx | ||
const { params, postUris } = state | ||
const uris = new Set<string>(postUris) | ||
const dids = new Set<string>(postUris.map((uri) => new AtUri(uri).hostname)) | ||
const hydrated = await feedService.feedHydration({ | ||
uris, | ||
dids, | ||
viewer: params.viewer, | ||
}) | ||
return { ...state, ...hydrated } | ||
} | ||
|
||
const noBlocks = (state: HydrationState): HydrationState => { | ||
const { viewer } = state.params | ||
state.postUris = state.postUris.filter((uri) => { | ||
const post = state.posts[uri] | ||
if (!viewer || !post) return true | ||
return !state.bam.block([viewer, post.creator]) | ||
}) | ||
return state | ||
} | ||
|
||
const presentation = (state: HydrationState, ctx: Context) => { | ||
const { feedService, actorService } = ctx | ||
const { postUris, profiles, params } = state | ||
const actors = actorService.views.profileBasicPresentation( | ||
Object.keys(profiles), | ||
state, | ||
{ viewer: params.viewer }, | ||
) | ||
|
||
const postViews = mapDefined(postUris, (uri) => | ||
feedService.views.formatPostView( | ||
uri, | ||
actors, | ||
state.posts, | ||
state.threadgates, | ||
state.embeds, | ||
state.labels, | ||
state.lists, | ||
), | ||
) | ||
return { posts: postViews } | ||
} | ||
|
||
type Context = { | ||
db: Database | ||
feedService: FeedService | ||
actorService: ActorService | ||
searchAgent: AtpAgent | ||
} | ||
|
||
type Params = QueryParams & { viewer: string | null } | ||
|
||
type SkeletonState = { | ||
params: Params | ||
postUris: string[] | ||
cursor?: string | ||
} | ||
|
||
type HydrationState = SkeletonState & FeedHydrationState |
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