Refactor models to use UUIDs for identifiers and implement custom UUID generation

Author: TheMeinerLP

settings.gradle.kts

@@ -13,3 +13,13 @@ dependencyResolutionManagement {
         }
     }
 }
+
+dependencyResolutionManagement {
+    versionCatalogs {
+        create("libs") {
+            version("uuid.creator", "6.1.0")
+
+            library("uuid.creator", "com.github.f4b6a3", "uuid-creator").versionRef("uuid.creator")
+        }
+    }
+}

src/main/java/net/theevilreaper/vulpes/api/generator/UuidV7Generator.java

@@ -0,0 +1,23 @@
+package net.theevilreaper.vulpes.api.generator;
+
+import com.github.f4b6a3.uuid.UuidCreator;
+import org.hibernate.engine.spi.SharedSessionContractImplementor;
+import org.hibernate.generator.BeforeExecutionGenerator;
+import org.hibernate.generator.EventType;
+
+import java.util.EnumSet;
+
+import static org.hibernate.generator.EventTypeSets.INSERT_ONLY;
+
+public final class UuidV7Generator implements BeforeExecutionGenerator {
+
+    @Override
+    public Object generate(SharedSessionContractImplementor session, Object owner, Object currentValue, EventType eventType) {
+        return UuidCreator.getTimeOrderedEpoch();
+    }
+
+    @Override
+    public EnumSet<EventType> getEventTypes() {
+        return INSERT_ONLY;
+    }
+}

src/main/java/net/theevilreaper/vulpes/api/generator/VulpesGenerator.java

@@ -0,0 +1,16 @@
+package net.theevilreaper.vulpes.api.generator;
+
+import org.hibernate.annotations.IdGeneratorType;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@IdGeneratorType(UuidV7Generator.class)
+@Retention(RUNTIME)
+@Target({METHOD,FIELD})
+public @interface VulpesGenerator {
+}