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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 6x 6x 15x 15x 15x 15x 3x 3x 3x 1x 2x 2x 1x 1x 1x 1x 1x 13x 13x 1x 1x 12x 13x 1x 12x 13x 13x 29x 6x 14x 14x 15x 6x | import { TRPCError } from "@trpc/server";
import { sql } from "kysely";
import { z } from "zod";
import {
directionSchema,
limitSchema,
offsetSchema,
queryNoMinSchema,
} from "~app/utils/validation";
import type { PeerId } from "~db/ids";
import { SIMILARTY_THRESHOLD } from "~utils/server/trigram";
import { queueCallFactory } from "~web/handlers/batch";
import type { AuthorizedContext } from "~web/handlers/context";
import { getAccessRole } from "~web/handlers/receipts/utils";
import { authProcedure } from "~web/handlers/trpc";
import { peerIdSchema, receiptIdSchema } from "~web/handlers/validation";
import type { GeneralOutput } from "~web/utils/batch";
import { queueList } from "~web/utils/batch";
const inputSchema = z.strictObject({
input: queryNoMinSchema,
cursor: offsetSchema,
limit: limitSchema,
filterIds: z.array(peerIdSchema).optional(),
options: z
.discriminatedUnion("type", [
z.strictObject({
type: z.literal("not-connected"),
}),
z.strictObject({
type: z.literal("not-connected-receipt"),
receiptId: receiptIdSchema,
}),
])
.optional(),
direction: directionSchema,
});
type Input = z.infer<typeof inputSchema>;
type Output = GeneralOutput<PeerId> & { count: number };
const fetchPage = async (
{ database, auth }: AuthorizedContext,
input: Input,
) => {
let filterIds = [...(input.filterIds || []), auth.userId as PeerId];
const cursor = input.cursor || 0;
const options = input.options || { type: "all" };
if (options.type === "not-connected-receipt") {
const { receiptId } = options;
const receipt = await database
.selectFrom("receipts")
.select(["id", "ownerUserId"])
.where("id", "=", receiptId)
.limit(1)
.executeTakeFirst();
if (!receipt) {
throw new TRPCError({
code: "NOT_FOUND",
message: `Receipt "${receiptId}" does not exist.`,
});
}
const accessRole = await getAccessRole(database, receipt, auth.userId);
if (!accessRole) {
throw new TRPCError({
code: "FORBIDDEN",
message: `Not enough rights to view receipt "${receiptId}".`,
});
}
const peerParticipants = await database
.selectFrom("receiptParticipants")
.innerJoin("peers", (jb) =>
jb.onRef("peers.id", "=", "receiptParticipants.peerId"),
)
.where("receiptParticipants.receiptId", "=", options.receiptId)
.select("peers.id")
.execute();
filterIds = [
...new Set([...filterIds, ...peerParticipants.map(({ id }) => id)]),
];
}
const fuzzyMatchedPeersExpression = database
.selectFrom("peers")
.$if(filterIds.length !== 0, (qb) =>
qb.where("peers.id", "not in", filterIds),
)
.where("peers.ownerUserId", "=", auth.userId)
.$if(options.type === "not-connected", (qb) =>
qb.where("peers.connectedUserId", "is", null),
)
.$if(input.input.length < 3, (qb) =>
qb.where("name", "ilike", `%${input.input}%`),
)
.$if(input.input.length >= 3, (qb) =>
qb.where(
sql`strict_word_similarity(${input.input}, name)`.$castTo<number>(),
">=",
SIMILARTY_THRESHOLD,
),
);
const [fuzzyMatchedPeers, totalCountPeers] = await Promise.all([
fuzzyMatchedPeersExpression
.$if(input.input.length < 3, (qb) => qb.orderBy("name"))
.$if(input.input.length >= 3, (qb) =>
qb.orderBy(
sql`word_similarity(${input.input}, name)`.$castTo(),
"desc",
),
)
.select(["peers.id"])
// Stable order for peers with the same name
.orderBy("peers.id")
.offset(cursor)
.limit(input.limit)
.execute(),
fuzzyMatchedPeersExpression
.select([(eb) => eb.fn.count<number>("peers.id").as("count")])
.executeTakeFirstOrThrow(),
]);
return {
count: totalCountPeers.count,
cursor,
items: fuzzyMatchedPeers.map(({ id }) => id),
};
};
const queueSuggestPeerList = queueCallFactory<AuthorizedContext, Input, Output>(
(ctx) => async (inputs) =>
queueList<Input, PeerId, Output>(inputs, (values) =>
fetchPage(ctx, values),
),
);
export const procedure = authProcedure
.meta({
title: "Suggest peers",
description:
"Returns a page of the current user's peerIds fuzzy-matched by name against a search query.",
})
.input(inputSchema)
.query(queueSuggestPeerList);
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