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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import stream from 'stream' | ||
| import { CID } from 'multiformats/cid' | ||
| import { BlobNotFoundError, BlobStore } from '@atproto/repo' | ||
| import { InvalidRequestError } from '@atproto/xrpc-server' | ||
| import { ActorDb } from '../actor-db' | ||
| import { notSoftDeletedClause } from '../../db/util' | ||
|
|
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| export class BlobReader { | ||
| constructor(public db: ActorDb, public blobstore: BlobStore) {} | ||
|
|
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| async getBlob( | ||
| cid: CID, | ||
| ): Promise<{ size: number; mimeType?: string; stream: stream.Readable }> { | ||
| const { ref } = this.db.db.dynamic | ||
| const found = await this.db.db | ||
| .selectFrom('blob') | ||
| .selectAll() | ||
| .innerJoin('repo_blob', 'repo_blob.cid', 'blob.cid') | ||
| .where('blob.cid', '=', cid.toString()) | ||
| .where(notSoftDeletedClause(ref('repo_blob'))) | ||
| .executeTakeFirst() | ||
| if (!found) { | ||
| throw new InvalidRequestError('Blob not found') | ||
| } | ||
| let blobStream | ||
| try { | ||
| blobStream = await this.blobstore.getStream(cid) | ||
| } catch (err) { | ||
| if (err instanceof BlobNotFoundError) { | ||
| throw new InvalidRequestError('Blob not found') | ||
| } | ||
| throw err | ||
| } | ||
| return { | ||
| size: found.size, | ||
| mimeType: found.mimeType, | ||
| stream: blobStream, | ||
| } | ||
| } | ||
|
|
||
| async listBlobs(opts: { | ||
| since?: string | ||
| cursor?: string | ||
| limit: number | ||
| }): Promise<string[]> { | ||
| const { since, cursor, limit } = opts | ||
| let builder = this.db.db | ||
| .selectFrom('repo_blob') | ||
| .select('cid') | ||
| .orderBy('cid', 'asc') | ||
| .limit(limit) | ||
| if (since) { | ||
| builder = builder.where('repoRev', '>', since) | ||
| } | ||
| if (cursor) { | ||
| builder = builder.where('cid', '>', cursor) | ||
| } | ||
| const res = await builder.execute() | ||
| return res.map((row) => row.cid) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import { ActorDb } from '../actor-db' | ||
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| export class PreferenceReader { | ||
| constructor(public db: ActorDb) {} | ||
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| async getPreferences(namespace?: string): Promise<UserPreference[]> { | ||
| const prefsRes = await this.db.db | ||
| .selectFrom('user_pref') | ||
| .orderBy('id') | ||
| .selectAll() | ||
| .execute() | ||
| return prefsRes | ||
| .filter((pref) => !namespace || prefMatchNamespace(namespace, pref.name)) | ||
| .map((pref) => JSON.parse(pref.valueJson)) | ||
| } | ||
| } | ||
|
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| export type UserPreference = Record<string, unknown> & { $type: string } | ||
|
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| export const prefMatchNamespace = (namespace: string, fullname: string) => { | ||
| return fullname === namespace || fullname.startsWith(`${namespace}.`) | ||
| } |
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