refactor: Small rewrite of InteractionPlayer

backend/src/main/java/cz/jzitnik/chronos/interactions/InteractionPlayer.java

@@ -1,9 +1,46 @@
 package cz.jzitnik.chronos.interactions;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import cz.jzitnik.chronos.entities.Player;
 import cz.jzitnik.chronos.entities.Character;
 import cz.jzitnik.chronos.payload.responses.InteractionResponse;
 
-public interface InteractionPlayer {
+import java.lang.reflect.ParameterizedType;
-    InteractionResponse play(Player player, Character character, String data);
+
+public abstract class InteractionPlayer<T> {
+    private final ObjectMapper objectMapper = new ObjectMapper();
+    private final TypeReference<T> typeReference;
+
+    // I hate my life, like wtf is this shit Java. Why I cant just pass T to the objectMapper.readValue
+    protected InteractionPlayer() {
+        // Automatically resolve the generic type `T` using reflection
+        this.typeReference = new TypeReference<>() {
+            @Override
+            public java.lang.reflect.Type getType() {
+                return ((ParameterizedType) InteractionPlayer.this.getClass()
+                        .getGenericSuperclass())
+                        .getActualTypeArguments()[0];
+            }
+        };
+    }
+
+    public T readMemory(String memory) {
+        try {
+            return objectMapper.readValue(memory, typeReference);
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to deserialize memory string into object", e);
+        }
+    }
+
+    public String writeMemory(T memory) {
+        try {
+            return objectMapper.writeValueAsString(memory);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException("Failed to serialize object to memory string", e);
+        }
+    }
+
+    public abstract InteractionResponse play(Player player, Character character, String data);
 }

backend/src/main/java/cz/jzitnik/chronos/interactions/list/Baker.java

@@ -15,7 +15,7 @@ import org.springframework.stereotype.Service;
 import java.util.ArrayList;
 
 @Service
-public class Baker implements InteractionPlayer {
+public class Baker extends InteractionPlayer<Object> {
     @Autowired
     private ItemService itemService;
     @Autowired
@@ -23,7 +23,6 @@ public class Baker implements InteractionPlayer {
     @Autowired
     private ItemRepository itemRepository;
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         var playerItems = player.getInventory();
         var flours = playerItems.stream().filter(item -> item.getItemType().equals(ItemType.FLOUR)).toList();

backend/src/main/java/cz/jzitnik/chronos/interactions/list/Hangman.java

@@ -23,7 +23,19 @@ import java.util.Random;
 import java.util.Set;
 
 @Service
-public class Hangman implements InteractionPlayer {
+public class Hangman extends InteractionPlayer<Hangman.HangmanMemory> {
+    // Memory
+    @AllArgsConstructor
+    @NoArgsConstructor
+    @Getter
+    @Setter
+    protected static class HangmanMemory {
+        private String word;
+        private Set<java.lang.Character> correctGuessesSet;
+        private Set<java.lang.Character> incorrectGuessesSet;
+        private String currentProgress;
+    }
+
     @Autowired
     private CharacterRepository characterRepository;
     @Autowired
@@ -43,34 +55,6 @@ public class Hangman implements InteractionPlayer {
         "polévka", "zázračný", "papírnictví", "šampaňské", "kinematografie", "obloha", "křišťálový"
     };
 
-    // Memory
-    @AllArgsConstructor
-    @NoArgsConstructor
-    @Getter
-    @Setter
-    private static class HangmanMemory {
-        private String word;
-        private Set<java.lang.Character> correctGuessesSet;
-        private Set<java.lang.Character> incorrectGuessesSet;
-        private String currentProgress;
-    }
-    private static HangmanMemory readMemory(String memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.readValue(memory, HangmanMemory.class);
-        } catch (Exception e) {
-            throw new RuntimeException("Somebody just fucked up db."); // If this happens idk what is wrong with my life
-        }
-    }
-    private static String writeMemory(HangmanMemory memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.writeValueAsString(memory);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e); // Well hopefully this will never happen
-        }
-    }
-
     // Response
     @AllArgsConstructor
     @Getter
@@ -90,7 +74,6 @@ public class Hangman implements InteractionPlayer {
         private String currentProgress;
     }
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         if (character.getInteractionData().getPlayer() == null) {
             // New game

backend/src/main/java/cz/jzitnik/chronos/interactions/list/Mayor.java

@@ -15,7 +15,7 @@ import org.springframework.stereotype.Service;
 import java.util.ArrayList;
 
 @Service
-public class Mayor implements InteractionPlayer {
+public class Mayor extends InteractionPlayer<Object> {
     @Autowired
     private ItemService itemService;
     @Autowired
@@ -23,7 +23,6 @@ public class Mayor implements InteractionPlayer {
     @Autowired
     private ItemRepository itemRepository;
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         var playerItems = player.getInventory();
         var goldenWatches = playerItems.stream().filter(item -> item.getItemType().equals(ItemType.GOLDEN_WATCH)).toList();

backend/src/main/java/cz/jzitnik/chronos/interactions/list/NumberGuessingGame.java

@@ -23,7 +23,16 @@ import java.util.ArrayList;
 import java.util.Random;
 
 @Service
-public class NumberGuessingGame implements InteractionPlayer {
+public class NumberGuessingGame extends InteractionPlayer<NumberGuessingGame.GuessingGameMemory> {
+    @AllArgsConstructor
+    @NoArgsConstructor
+    @Getter
+    @Setter
+    protected static class GuessingGameMemory {
+        private int targetNumber;
+        private int attemptsLeft;
+    }
+
     @Autowired
     private CharacterRepository characterRepository;
     @Autowired
@@ -37,33 +46,6 @@ public class NumberGuessingGame implements InteractionPlayer {
     private static final int RANGE_MAX = 100;
     private static final int MAX_ATTEMPTS = 7;
 
-    @AllArgsConstructor
-    @NoArgsConstructor
-    @Getter
-    @Setter
-    private static class GuessingGameMemory {
-        private int targetNumber;
-        private int attemptsLeft;
-    }
-
-    private static GuessingGameMemory readMemory(String memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.readValue(memory, GuessingGameMemory.class);
-        } catch (Exception e) {
-            throw new RuntimeException("Error reading memory from DB.");
-        }
-    }
-
-    private static String writeMemory(GuessingGameMemory memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.writeValueAsString(memory);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException("Error writing memory to DB.");
-        }
-    }
-
     @AllArgsConstructor
     @Getter
     @Setter
@@ -80,7 +62,6 @@ public class NumberGuessingGame implements InteractionPlayer {
         private int attemptsLeft;
     }
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         if (character.getInteractionData().getPlayer() == null) {
             // New game initialization

backend/src/main/java/cz/jzitnik/chronos/interactions/list/RockPaperScissors.java

@@ -16,7 +16,7 @@ import java.util.ArrayList;
 import java.util.Random;
 
 @Service
-public class RockPaperScissors implements InteractionPlayer {
+public class RockPaperScissors extends InteractionPlayer<Object> {
     @Autowired
     private PlayerRepository playerRepository;
 
@@ -26,7 +26,6 @@ public class RockPaperScissors implements InteractionPlayer {
     @Autowired
     private ItemService itemService;
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         Random random = new Random();
         boolean isLucky = player.isLuck();

backend/src/main/java/cz/jzitnik/chronos/interactions/list/TicTacToe.java

@@ -21,38 +21,20 @@ import java.util.ArrayList;
 import java.util.Random;
 
 @Service
-public class TicTacToe implements InteractionPlayer {
+public class TicTacToe extends InteractionPlayer<TicTacToe.TicTacToeMemory> {
-    @Autowired
-    private CharacterRepository characterRepository;
-    @Autowired
-    private ItemService itemService;
-
     @AllArgsConstructor
     @NoArgsConstructor
     @Getter
     @Setter
-    private static class TicTacToeMemory {
+    protected static class TicTacToeMemory {
         private String[] board;
         private boolean playerTurn;
     }
 
-    private static TicTacToeMemory readMemory(String memory) {
+    @Autowired
-        ObjectMapper objectMapper = new ObjectMapper();
+    private CharacterRepository characterRepository;
-        try {
+    @Autowired
-            return objectMapper.readValue(memory, TicTacToeMemory.class);
+    private ItemService itemService;
-        } catch (Exception e) {
-            throw new RuntimeException("Error reading memory.");
-        }
-    }
-
-    private static String writeMemory(TicTacToeMemory memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.writeValueAsString(memory);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
-        }
-    }
 
     @AllArgsConstructor
     @Getter
@@ -70,7 +52,6 @@ public class TicTacToe implements InteractionPlayer {
         private boolean playerTurn;
     }
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         if (character.getInteractionData().getPlayer() == null) {
             try {

backend/src/main/java/cz/jzitnik/chronos/interactions/list/wordle/Wordle.java

@@ -21,7 +21,17 @@ import java.util.ArrayList;
 import java.util.List;
 
 @Service
-public class Wordle implements InteractionPlayer {
+public class Wordle extends InteractionPlayer<Wordle.WordleMemory> {
+    @AllArgsConstructor
+    @NoArgsConstructor
+    @Getter
+    @Setter
+    protected static class WordleMemory {
+        private String word;
+        private List<GuessFeedback> feedbackHistory;
+        private int attemptsRemaining;
+    }
+
     @Autowired
     private CharacterRepository characterRepository;
     @Autowired
@@ -53,36 +63,6 @@ public class Wordle implements InteractionPlayer {
         private List<CharacterFeedback> feedback;
     }
 
-    // Memory
-    @AllArgsConstructor
-    @NoArgsConstructor
-    @Getter
-    @Setter
-    private static class WordleMemory {
-        private String word;
-        private List<GuessFeedback> feedbackHistory;
-        private int attemptsRemaining;
-    }
-
-    private static WordleMemory readMemory(String memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.readValue(memory, WordleMemory.class);
-        } catch (Exception e) {
-            System.out.println(e);
-            throw new RuntimeException("Error reading memory from DB.");
-        }
-    }
-
-    private static String writeMemory(WordleMemory memory) {
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            return objectMapper.writeValueAsString(memory);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
     // Response
     @AllArgsConstructor
     @Getter
@@ -100,7 +80,6 @@ public class Wordle implements InteractionPlayer {
         private int attemptsRemaining;
     }
 
-    @Override
     public InteractionResponse play(Player player, Character character, String data) {
         if (character.getInteractionData().getPlayer() == null) {
             // New game

backend/src/main/java/cz/jzitnik/chronos/services/InitGameService.java

@@ -89,7 +89,7 @@ public class InitGameService {
         var librarian = new Character(
                 "Knihovnice",
                 library,
-                "Ahoj, jdeš si vypujčit nějakou knihu? Jakto že ne? Učení je důležité. No to je jedno, co teda chceš? Fragment klíče?" +
+                "Ahoj, jdeš si vypujčit nějakou knihu? Jakto že ne? Učení je důležité. No to je jedno, co teda chceš? Fragment klíče? " +
                         "Budes si muset semnou zahrát nejdříve wordle na to abych ti ho dala."
         );
         librarian.setInteraction(Interaction.Librarian);