feat(profile): leave out hidden public profile sections

src/main/java/core_service/configuration/security/JwtService.java

@@ -66,6 +66,10 @@ public class JwtService implements ProfileTicketVerifier {
         }
     }
 
+    private static Set<String> names(List<?> claim) {
+        return claim.stream().filter(String.class::isInstance).map(String.class::cast).collect(Collectors.toSet());
+    }
+
     @Override
     public Optional<ProfileTicket> verifyProfileTicket(String ticket) {
         try {
@@ -75,10 +79,9 @@ public class JwtService implements ProfileTicketVerifier {
             }
             long userId = Long.parseLong(claims.get("profileUserId", String.class));
             // A ticket of an Auth from before the claim has none: then the profile shows no stats.
-            Set<String> profileStats = claims.get("profileStats") instanceof List<?> groups
-                    ? groups.stream().filter(String.class::isInstance).map(String.class::cast).collect(Collectors.toSet())
-                    : Set.of();
-            return Optional.of(new ProfileTicket(userId, profileStats));
+            Set<String> profileStats = claims.get("profileStats") instanceof List<?> groups ? names(groups) : Set.of();
+            Set<String> sections = claims.get("sections") instanceof List<?> shown ? names(shown) : null;
+            return Optional.of(new ProfileTicket(userId, profileStats, sections));
         } catch (Exception e) {
             return Optional.empty();
         }

src/main/java/core_service/modules/library/api/PublicProfileController.java

@@ -29,7 +29,7 @@ public class PublicProfileController {
     @GetMapping("/library")
     public ResponseEntity<?> getPublicLibrary(@RequestHeader(value = "X-Profile-Ticket", required = false) String ticket) {
         return (ticket == null ? Optional.<ProfileTicket>empty() : profileTicketVerifier.verifyProfileTicket(ticket))
-                .<ResponseEntity<?>>map(t -> ResponseEntity.ok(queryService.getPublicLibrary(t.userId(), t.profileStats())))
+                .<ResponseEntity<?>>map(t -> ResponseEntity.ok(queryService.getPublicLibrary(t.userId(), t.profileStats(), t.sections())))
                 .orElseGet(() -> ResponseEntity.status(HttpStatus.UNAUTHORIZED)
                         .body(Map.of("code", "INVALID_TICKET", "message", "Missing, invalid or expired profile ticket")));
     }

src/main/java/core_service/modules/library/api/dto/PublicLibraryDto.java

@@ -6,8 +6,10 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * What a public profile shows. Never notes, priority or anything that identifies the Steam account.
+ * What a public profile shows. Never notes, priority or anything that identifies the Steam account. The fields of a
+ * section the user hides ({@link core_service.modules.library.domain.ProfileSection}) are null.
  *
+ * @param finishedGames FINISHED and COMPLETED; part of the summary, so it stays when the status counts are hidden
  * @param byStatus has every status, also those with 0 games
  * @param playing up to 8 games, most played first
  * @param finished up to 12 FINISHED or COMPLETED games, best rated first
@@ -15,12 +17,13 @@ import java.util.Map;
  * @param stats only the stat groups the user shares, the others null; null when the user shares none
  */
 public record PublicLibraryDto(
-        long totalGames,
-        long totalPlaytimeMinutes,
+        Long totalGames,
+        Long totalPlaytimeMinutes,
+        Long finishedGames,
         Map<GameStatus, Long> byStatus,
         List<Game> playing,
         List<Game> finished,
-        int perfectGames,
+        Integer perfectGames,
         Double averageCompletion,
         UserStatsDto stats
 ) {

src/main/java/core_service/modules/library/domain/ProfileSection.java

@@ -0,0 +1,26 @@
+package core_service.modules.library.domain;
+
+import java.util.Collection;
+import java.util.EnumSet;
+import java.util.Set;
+
+/**
+ * The parts of the public profile a user can hide. Core sends no data for a hidden part.
+ */
+public enum ProfileSection {
+    SUMMARY, STATUS, PLAYING, FINISHED, STATS;
+
+    /**
+     * @param names from the profile ticket; null (a ticket from before the sections) shows all. Unknown names are
+     *              left out.
+     */
+    public static Set<ProfileSection> shown(Collection<String> names) {
+        Set<ProfileSection> sections = EnumSet.noneOf(ProfileSection.class);
+        for (ProfileSection section : values()) {
+            if (names == null || names.contains(section.name())) {
+                sections.add(section);
+            }
+        }
+        return sections;
+    }
+}

src/main/java/core_service/modules/library/service/LibraryQueryService.java

@@ -15,6 +15,7 @@ import core_service.modules.library.domain.GameSource;
 import core_service.modules.library.domain.GameStatus;
 import core_service.modules.library.domain.GameTimeToBeat;
 import core_service.modules.library.domain.Mood;
+import core_service.modules.library.domain.ProfileSection;
 import core_service.modules.library.domain.StatGroup;
 import core_service.modules.library.domain.SteamGame;
 import core_service.modules.library.domain.UserGame;
@@ -47,6 +48,7 @@ import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -212,27 +214,45 @@ public class LibraryQueryService {
      * @param profileStats the stat group names of the profile ticket
      */
     @Public
-    public PublicLibraryDto getPublicLibrary(Long userId, Collection<String> profileStats) {
-        Map<GameStatus, Long> byStatus = userGameRepository.countEveryStatus(userId);
-        List<UserGame> playing = userGameRepository.findListedByStatusIn(userId,
-                List.of(GameStatus.PLAYING),
-                PageRequest.of(0, PUBLIC_PLAYING, Sort.by(Sort.Direction.DESC, "playtimeMinutes").and(Sort.by("appid"))));
-        List<UserGame> finished = userGameRepository.findListedByStatusIn(userId,
-                List.of(GameStatus.FINISHED, GameStatus.COMPLETED),
-                PageRequest.of(0, PUBLIC_FINISHED, Sort.by(Sort.Order.desc("rating").nullsLast()).and(Sort.by("appid"))));
-        Map<Long, SteamGame> meta = steamGameRepository.findAllById(
-                        Stream.concat(playing.stream(), finished.stream()).map(UserGame::getAppid).toList())
+    /**
+     * @param sectionNames see {@link ProfileSection#shown}; a hidden section runs no query
+     */
+    public PublicLibraryDto getPublicLibrary(Long userId, Collection<String> profileStats, Collection<String> sectionNames) {
+        Set<ProfileSection> sections = ProfileSection.shown(sectionNames);
+        boolean summary = sections.contains(ProfileSection.SUMMARY);
+        Map<GameStatus, Long> byStatus = summary || sections.contains(ProfileSection.STATUS)
+                ? userGameRepository.countEveryStatus(userId) : null;
+        List<UserGame> playing = sections.contains(ProfileSection.PLAYING)
+                ? userGameRepository.findListedByStatusIn(userId, List.of(GameStatus.PLAYING),
+                        PageRequest.of(0, PUBLIC_PLAYING, Sort.by(Sort.Direction.DESC, "playtimeMinutes").and(Sort.by("appid"))))
+                : null;
+        List<UserGame> finished = sections.contains(ProfileSection.FINISHED)
+                ? userGameRepository.findListedByStatusIn(userId, List.of(GameStatus.FINISHED, GameStatus.COMPLETED),
+                        PageRequest.of(0, PUBLIC_FINISHED, Sort.by(Sort.Order.desc("rating").nullsLast()).and(Sort.by("appid"))))
+                : null;
+        Map<Long, SteamGame> meta = steamGameRepository.findAllById(Stream.of(playing, finished)
+                        .filter(Objects::nonNull).flatMap(List::stream).map(UserGame::getAppid).toList())
                 .stream().collect(Collectors.toMap(SteamGame::getAppid, g -> g));
-        long total = byStatus.values().stream().mapToLong(Long::longValue).sum();
-        List<AchievementProgress> started = startedGames(userGameRepository.findAchievementProgress(userId));
-        Set<StatGroup> shared = StatGroup.shared(profileStats);
-        return new PublicLibraryDto(total, userGameRepository.sumPlaytime(userId), byStatus,
+        List<AchievementProgress> started = summary ? startedGames(userGameRepository.findAchievementProgress(userId)) : null;
+        Set<StatGroup> shared = sections.contains(ProfileSection.STATS) ? StatGroup.shared(profileStats) : Set.of();
+        return new PublicLibraryDto(
+                summary ? byStatus.values().stream().mapToLong(Long::longValue).sum() : null,
+                summary ? userGameRepository.sumPlaytime(userId) : null,
+                summary ? byStatus.get(GameStatus.FINISHED) + byStatus.get(GameStatus.COMPLETED) : null,
+                sections.contains(ProfileSection.STATUS) ? byStatus : null,
                 toPublicGames(playing, meta), toPublicGames(finished, meta),
-                perfectGames(started), averageCompletion(started),
+                summary ? perfectGames(started) : null,
+                summary ? averageCompletion(started) : null,
                 shared.isEmpty() ? null : userStatsService.getStats(userId, shared));
     }
 
+    /**
+     * @return null for a hidden section
+     */
     private static List<PublicLibraryDto.Game> toPublicGames(List<UserGame> games, Map<Long, SteamGame> meta) {
+        if (games == null) {
+            return null;
+        }
         return games.stream()
                 .map(ug -> new PublicLibraryDto.Game(ug.getAppid(),
                         meta.containsKey(ug.getAppid()) ? meta.get(ug.getAppid()).getName() : null,

src/main/java/core_service/shared/security/ProfileTicket.java

@@ -6,5 +6,6 @@ import java.util.Set;
  * A valid public-profile ticket from Auth.
  *
  * @param profileStats the names of the stat groups the user shows on the profile; empty for a ticket without them
+ * @param sections the names of the profile sections the user shows; null for a ticket without them, which shows all
  */
-public record ProfileTicket(long userId, Set<String> profileStats) {}
+public record ProfileTicket(long userId, Set<String> profileStats, Set<String> sections) {}

src/test/java/core_service/configuration/security/JwtServiceTest.java

@@ -106,7 +106,7 @@ class JwtServiceTest extends AbstractUnitTest {
 
     @Test
     void verifyProfileTicket_ReturnsTheUser() {
-        assertEquals(Optional.of(new ProfileTicket(42L, Set.of())),
+        assertEquals(Optional.of(new ProfileTicket(42L, Set.of(), null)),
                 jwtService.verifyProfileTicket(signTicket("public-profile", "42", 60_000)));
     }
 
@@ -116,7 +116,16 @@ class JwtServiceTest extends AbstractUnitTest {
                 .claim("profileStats", List.of("PILE", "TREND"))
                 .expiration(new Date(System.currentTimeMillis() + 60_000)).signWith(signingKey, Jwts.SIG.EdDSA).compact();
 
-        assertEquals(Optional.of(new ProfileTicket(42L, Set.of("PILE", "TREND"))), jwtService.verifyProfileTicket(ticket));
+        assertEquals(Optional.of(new ProfileTicket(42L, Set.of("PILE", "TREND"), null)), jwtService.verifyProfileTicket(ticket));
+    }
+
+    @Test
+    void verifyProfileTicket_ReadsTheShownSections() {
+        String ticket = Jwts.builder().subject("public-profile").claim("typ", "public-profile").claim("profileUserId", "42")
+                .claim("sections", List.of("PLAYING", "STATS"))
+                .expiration(new Date(System.currentTimeMillis() + 60_000)).signWith(signingKey, Jwts.SIG.EdDSA).compact();
+
+        assertEquals(Optional.of(new ProfileTicket(42L, Set.of(), Set.of("PLAYING", "STATS"))), jwtService.verifyProfileTicket(ticket));
     }
 
     @Test

src/test/java/core_service/modules/library/api/PublicProfileControllerTest.java

@@ -59,6 +59,12 @@ class PublicProfileControllerTest extends AbstractIntegrationTest {
                 .expiration(new Date(System.currentTimeMillis() + 60_000)).signWith(TEST_KEYS.getPrivate(), Jwts.SIG.EdDSA).compact();
     }
 
+    private static String ticket(long userId, List<String> profileStats, List<String> sections) {
+        return Jwts.builder().subject("public-profile").claim("typ", "public-profile").claim("profileUserId", String.valueOf(userId))
+                .claim("profileStats", profileStats).claim("sections", sections)
+                .expiration(new Date(System.currentTimeMillis() + 60_000)).signWith(TEST_KEYS.getPrivate(), Jwts.SIG.EdDSA).compact();
+    }
+
     private UserGame game(long appid, int playtime, GameStatus status, Integer rating) {
         UserGame game = new UserGame(USER_ID, appid, playtime, Instant.now(), Instant.now());
         game.setStatus(status);
@@ -94,6 +100,7 @@ class PublicProfileControllerTest extends AbstractIntegrationTest {
                 .andExpect(status().isOk())
                 .andExpect(jsonPath("$.totalGames").value(3))
                 .andExpect(jsonPath("$.totalPlaytimeMinutes").value(1260))
+                .andExpect(jsonPath("$.finishedGames").value(2))
                 .andExpect(jsonPath("$.byStatus.FINISHED").value(1))
                 .andExpect(jsonPath("$.byStatus.COMPLETED").value(1))
                 .andExpect(jsonPath("$.playing", hasSize(1)))
@@ -142,6 +149,41 @@ class PublicProfileControllerTest extends AbstractIntegrationTest {
                 .andExpect(jsonPath("$.stats.trend").value(nullValue()));
     }
 
+    @Test
+    void publicLibrary_HiddenSections_SendNoData() throws Exception {
+        mockMvc.perform(get("/api/public/profiles/library")
+                        .header("X-Profile-Ticket", ticket(USER_ID, List.of("TOP_GAMES"), List.of("PLAYING"))))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.playing", hasSize(1)))
+                .andExpect(jsonPath("$.totalGames").value(nullValue()))
+                .andExpect(jsonPath("$.totalPlaytimeMinutes").value(nullValue()))
+                .andExpect(jsonPath("$.finishedGames").value(nullValue()))
+                .andExpect(jsonPath("$.perfectGames").value(nullValue()))
+                .andExpect(jsonPath("$.byStatus").value(nullValue()))
+                .andExpect(jsonPath("$.finished").value(nullValue()))
+                .andExpect(jsonPath("$.stats").value(nullValue()));
+    }
+
+    @Test
+    void publicLibrary_SummaryWithoutStatus_KeepsTheFinishedCountButNoStatusCounts() throws Exception {
+        mockMvc.perform(get("/api/public/profiles/library")
+                        .header("X-Profile-Ticket", ticket(USER_ID, List.of(), List.of("SUMMARY"))))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.totalGames").value(3))
+                .andExpect(jsonPath("$.finishedGames").value(2))
+                .andExpect(jsonPath("$.byStatus").value(nullValue()));
+    }
+
+    @Test
+    void publicLibrary_OnlyStatusShown_HasTheCountsButNoTotals() throws Exception {
+        mockMvc.perform(get("/api/public/profiles/library")
+                        .header("X-Profile-Ticket", ticket(USER_ID, List.of(), List.of("STATUS", "MONEY"))))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.byStatus.FINISHED").value(1))
+                .andExpect(jsonPath("$.totalGames").value(nullValue()))
+                .andExpect(jsonPath("$.playing").value(nullValue()));
+    }
+
     @Test
     void publicLibrary_WithoutOrWithABadTicket_Is401() throws Exception {
         mockMvc.perform(get("/api/public/profiles/library")).andExpect(status().isUnauthorized());