AliceDarkest
88 lines
3.5 KiB
Java
88 lines
3.5 KiB
Java
package com.example.mindflux.controller;
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import com.example.mindflux.dto.*;
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import com.example.mindflux.service.TechtacularService;
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import org.springframework.web.bind.annotation.*;
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import java.security.Principal;
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import java.util.HashSet;
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import java.util.Set;
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import jakarta.servlet.http.HttpSession;
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/** Spieler-API für TechTacular: Board laden, Antwort prüfen, Runde abschließen. */
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@RestController
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@RequestMapping("/api/techtacular")
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public class TechtacularApiController {
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private static final String JOKER_USED = "techtacular.fiftyFiftyUsed";
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private static final String HINTED_QUESTION_IDS = "techtacular.hintedQuestionIds";
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private final TechtacularService techtacularService;
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public TechtacularApiController(TechtacularService techtacularService) {
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this.techtacularService = techtacularService;
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}
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/** exclude = komma-separierte Frage-IDs der Vorrunde, die möglichst nicht erneut kommen sollen. */
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@GetMapping("/board")
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public TechtacularBoardView board(@RequestParam(required = false) String exclude, HttpSession session) {
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// Ein neues Board beginnt immer eine neue Runde mit genau einem Joker.
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session.removeAttribute(JOKER_USED);
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session.removeAttribute(HINTED_QUESTION_IDS);
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return techtacularService.buildBoard(parseIds(exclude));
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}
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private Set<Long> parseIds(String csv) {
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Set<Long> ids = new HashSet<>();
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if (csv != null && !csv.isBlank()) {
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for (String part : csv.split(",")) {
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try {
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ids.add(Long.parseLong(part.trim()));
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} catch (NumberFormatException ignored) {
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// ungültige IDs einfach überspringen
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}
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}
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}
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return ids;
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}
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@PostMapping("/answer")
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public AnswerResult answer(@RequestBody AnswerRequest request, HttpSession session) {
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// Das Client-Flag dient der UI und dem Finish-Payload. Ob die Punkte halbiert
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// werden, entscheidet jedoch allein der serverseitige Rundenzustand.
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boolean validHint = hintedQuestionIds(session).contains(request.getQuestionId());
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return techtacularService.checkAnswer(request.getQuestionId(), request.getAnswerId(), validHint);
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}
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/** Liefert zwei eliminierbare, garantiert falsche Antworten ohne die Loesung offenzulegen. */
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@GetMapping("/hint")
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public FiftyFiftyHint hint(@RequestParam Long questionId, HttpSession session) {
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if (Boolean.TRUE.equals(session.getAttribute(JOKER_USED))) {
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return new FiftyFiftyHint(java.util.List.of());
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}
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FiftyFiftyHint hint = techtacularService.fiftyFifty(questionId);
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if (!hint.removeAnswerIds().isEmpty()) {
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session.setAttribute(JOKER_USED, true);
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Set<Long> hinted = new HashSet<>();
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hinted.add(questionId);
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session.setAttribute(HINTED_QUESTION_IDS, hinted);
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}
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return hint;
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}
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@PostMapping("/finish")
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public TechtacularResult finish(@RequestBody FinishRequest request, Principal principal, HttpSession session) {
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TechtacularResult result = techtacularService.finish(principal.getName(), request, hintedQuestionIds(session));
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session.removeAttribute(JOKER_USED);
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session.removeAttribute(HINTED_QUESTION_IDS);
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return result;
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}
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@SuppressWarnings("unchecked")
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private Set<Long> hintedQuestionIds(HttpSession session) {
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Object value = session.getAttribute(HINTED_QUESTION_IDS);
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return value instanceof Set<?> ? (Set<Long>) value : Set.of();
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}
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}
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