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import ApiManager, { Registration } from "./ApiManager";
import { Method } from "../RouteManager";
import { Search } from "../Search";
const findInFiles = require('find-in-files');
import * as path from 'path';
import { pathToDirectory, Directory } from "./UploadManager";
import { command_line, addBeforeExitHandler } from "../ActionUtilities";
import request = require('request-promise');
import { red, green, yellow, cyan } from "colors";
export class SearchManager extends ApiManager {
protected initialize(register: Registration): void {
register({
method: Method.GET,
subscription: "/startSolr",
onValidation: async ({ res }) => res.send((await SolrManager.SetRunning(true)) ? "Successfully started Solr!" : "Uh oh! Check the console for the error that occurred while starting Solr")
});
register({
method: Method.GET,
subscription: "/stopSolr",
onValidation: async ({ res }) => res.send((await SolrManager.SetRunning(false)) ? "Successfully stopped Solr!" : "Uh oh! Check the console for the error that occurred while stopping Solr")
});
register({
method: Method.GET,
subscription: "/textsearch",
onValidation: async ({ req, res }) => {
const q = req.query.q;
if (q === undefined) {
res.send([]);
return;
}
const results = await findInFiles.find({ 'term': q, 'flags': 'ig' }, pathToDirectory(Directory.text), ".txt$");
const resObj: { ids: string[], numFound: number, lines: string[] } = { ids: [], numFound: 0, lines: [] };
for (const result in results) {
resObj.ids.push(path.basename(result, ".txt").replace(/upload_/, ""));
resObj.lines.push(results[result].line);
resObj.numFound++;
}
res.send(resObj);
}
});
register({
method: Method.GET,
subscription: "/search",
onValidation: async ({ req, res }) => {
const solrQuery: any = {};
["q", "fq", "start", "rows", "hl", "hl.fl"].forEach(key => solrQuery[key] = req.query[key]);
if (solrQuery.q === undefined) {
res.send([]);
return;
}
const results = await Search.Instance.search(solrQuery);
res.send(results);
}
});
}
}
export namespace SolrManager {
export async function initializeSolr() {
console.log(cyan("\nInspecting Solr status..."));
try {
await request("http://localhost:8983");
console.log(green('Solr already running\n'));
} catch (e) {
console.log(cyan('Initializing Solr...'));
await SolrManager.SetRunning(true);
} finally {
addBeforeExitHandler(async () => SolrManager.SetRunning(false));
}
}
export async function SetRunning(status: boolean): Promise<boolean> {
const args = status ? "start" : "stop -p 8983";
console.log(`Solr management: trying to ${args}`);
try {
console.log(await command_line(`solr.cmd ${args}`, "../../solr-8.1.1/bin"));
return true;
} catch (e) {
console.log(red(`Solr management error: unable to ${args}`));
if (status) {
process.exit(0);
}
return false;
}
}
}
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