UrlCheckController.java

package hexlet.code.controller;

import hexlet.code.model.Url;
import hexlet.code.model.UrlCheck;
import hexlet.code.repository.UrlCheckRepository;
import hexlet.code.repository.UrlRepository;
import hexlet.code.util.NamedRoutes;

import static hexlet.code.util.AppSettings.FLASH_TYPE;
import static hexlet.code.util.AppSettings.FLASH_DANGER;
import static hexlet.code.util.AppSettings.FLASH_SUCCESS;

import static hexlet.code.util.AppSettings.FLASH;
import static hexlet.code.util.AppSettings.CHECK_ERROR;
import static hexlet.code.util.AppSettings.PAGE_OK;
import static hexlet.code.util.AppSettings.URL_BAD;

import io.javalin.http.Context;
import io.javalin.http.NotFoundResponse;

import java.sql.SQLException;

import kong.unirest.HttpResponse;
import kong.unirest.Unirest;
import kong.unirest.UnirestException;
import lombok.extern.slf4j.Slf4j;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

@Slf4j
public final class UrlCheckController {
    private UrlCheckController() {
        // Prevent instantiation - Sonar Warning
    }

    public static void check(Context ctx) throws SQLException {
        Long urlId = ctx.pathParamAsClass("id", Long.class).get();
        Url url = UrlRepository.find(urlId)
                .orElseThrow(() -> new NotFoundResponse("Entity with id = " + urlId + " not found"));
        log.info("Got URL ID: {}", urlId);
        try {
            HttpResponse<String> response = Unirest.get(url.getName()).asString();
            Document document = Jsoup.parse(response.getBody());

            int statusCode = response.getStatus();
            log.info("Response getStatus: {}", statusCode);
            String title = document.title();
            String h1 = document.select("h1").text();
            String description = document.select("meta[name=description]").attr("content");

            UrlCheck urlCheck = new UrlCheck(urlId, statusCode, title, h1, description);
            UrlCheckRepository.save(urlCheck);

            log.info("check saved");
        } catch (UnirestException e) {
            ctx.sessionAttribute(FLASH, URL_BAD);
            ctx.sessionAttribute(FLASH_TYPE, FLASH_DANGER);
            ctx.redirect(NamedRoutes.urlPath(urlId));

        } catch (Exception e) {
            ctx.sessionAttribute(FLASH, CHECK_ERROR + e.getMessage());
            ctx.sessionAttribute(FLASH_TYPE, FLASH_DANGER);
            ctx.redirect(NamedRoutes.urlPath(urlId));
        }
        ctx.sessionAttribute(FLASH, PAGE_OK);
        ctx.sessionAttribute(FLASH_TYPE, FLASH_SUCCESS);
        ctx.redirect(NamedRoutes.urlPath(urlId));
    }
}