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import { Client } from '@elastic/elasticsearch';
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import { omit } from 'lodash';
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import DomainModel from 'hydrooj/src/model/domain';
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import ProblemModel from 'hydrooj/src/model/problem';
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import * as system from 'hydrooj/src/model/system';
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import { iterateAllProblem, iterateAllProblemInDomain } from 'hydrooj/src/pipelineUtils';
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import * as bus from 'hydrooj/src/service/bus';
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const client = new Client({ node: system.get('elastic-search.url') || 'http://127.0.0.1:9200' });
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const indexOmit = ['_id', 'docType', 'data', 'additional_file', 'config', 'stats', 'assign'];
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bus.on('problem/add', async (doc, docId) => {
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await client.index({
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index: 'problem',
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id: `${doc.domainId}/${docId}`,
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document: omit(doc, indexOmit),
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});
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});
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bus.on('problem/edit', async (pdoc) => {
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await client.index({
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index: 'problem',
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id: `${pdoc.domainId}/${pdoc.docId}`,
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document: omit(pdoc, indexOmit),
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});
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});
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bus.on('problem/del', async (domainId, docId) => {
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await client.delete({
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index: 'problem',
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id: `${domainId}/${docId}`,
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});
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});
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global.Hydro.lib.problemSearch = async (domainId, q, opts) => {
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const size = opts?.limit || system.get('pagination.problem');
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const from = opts?.skip || 0;
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const union = await DomainModel.getUnion(domainId);
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const domainIds = [domainId, ...(union?.union || [])];
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const res = await client.search({
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index: 'problem',
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size,
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from,
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query: {
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simple_query_string: {
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query: q,
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fields: ['tag^5', 'title^3', 'content'],
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},
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},
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post_filter: {
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bool: {
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minimum_should_match: 1,
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should: domainIds.map((i) => ({ match: { domainId: i } })),
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},
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},
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});
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return {
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countRelation: typeof res.hits.total === 'number' ? 'eq' : res.hits.total.relation,
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total: typeof res.hits.total === 'number' ? res.hits.total : res.hits.total.value,
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hits: res.hits.hits.map((i) => i._id),
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};
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};
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export const description = 'Elastic problem search re-index';
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export async function run({ domainId }, report) {
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try {
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if (domainId) await client.deleteByQuery({ index: 'problem', query: { match: { domainId } } });
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else await client.deleteByQuery({ index: 'problem', query: { match_all: {} } });
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} catch (e) {
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if (!e.message.includes('index_not_found_exception')) throw e;
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}
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let i = 0;
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const cb = async (pdoc) => {
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i++;
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if (!(i % 1000)) report({ message: `${i} problems indexed` });
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await client.index({
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index: 'problem',
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id: `${pdoc.domainId}/${pdoc.docId}`,
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document: omit(pdoc, indexOmit),
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});
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};
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if (domainId) await iterateAllProblemInDomain(domainId, ProblemModel.PROJECTION_PUBLIC, cb);
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else await iterateAllProblem(ProblemModel.PROJECTION_PUBLIC, cb);
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await client.indices.refresh({ index: 'problem' });
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return true;
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}
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export const validate = {
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$or: [
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{ domainId: 'string' },
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{ domainId: 'undefined' },
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],
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};
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global.Hydro.script.ensureElasticSearch = { run, description, validate };
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