автозаполнение базы

src/main/java/ru/ldeloff/hedgehogcloud/config/initclass/InitDB.java

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+package ru.ldeloff.hedgehogcloud.config.initclass;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+import ru.ldeloff.hedgehogcloud.entity.RoleEntity;
+import ru.ldeloff.hedgehogcloud.entity.UserEntity;
+import ru.ldeloff.hedgehogcloud.service.RoleService;
+import ru.ldeloff.hedgehogcloud.service.UserService;
+
+import java.util.HashSet;
+import java.util.List;
+
+@Component
+public class InitDB implements ApplicationRunner {
+    UserService userService;
+    RoleService roleService;
+
+    public InitDB(UserService userService, RoleService roleService) {
+        this.userService = userService;
+        this.roleService = roleService;
+    }
+
+    @Override
+    @Transactional
+    public void run(ApplicationArguments args) throws Exception {
+        RoleEntity role = new RoleEntity();
+        role.setName("ROLE_ADMIN");
+        roleService.saveRole(role);
+
+        UserEntity user = new UserEntity();
+        user.setUsername("admin");
+        user.setPassword("123");
+        user.setRoles(new HashSet<>(List.of(roleService.getByName(role.getName()))));
+        userService.saveUser(user);
+    }
+}