personal-finances/Common/src/main/java/dev/mvvasilev/common/controller/AbstractRestController.java

package dev.mvvasilev.common.controller;

import dev.mvvasilev.common.web.APIErrorDTO;
import dev.mvvasilev.common.web.APIResponseDTO;
import dev.mvvasilev.common.web.CrudResponseDTO;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

import java.util.List;

public abstract class AbstractRestController {

    protected <T> ResponseEntity<APIResponseDTO<T>> withStatus(HttpStatus status, T body) {
        return ResponseEntity.status(status).body(new APIResponseDTO<>(body, null, status.value(), status.getReasonPhrase()));
    }

    protected <T> ResponseEntity<APIResponseDTO<T>> withSingleError(HttpStatus status, String errorMessage, String errorCode, String stacktrace) {
        return ResponseEntity.status(status).body(new APIResponseDTO<>(null, List.of(new APIErrorDTO(errorMessage, errorCode, stacktrace)), status.value(), status.getReasonPhrase()));
    }

    protected <T> ResponseEntity<APIResponseDTO<T>> ok(T body) {
        return withStatus(HttpStatus.OK, body);
    }

    protected <T> ResponseEntity<APIResponseDTO<Object>> emptySuccess() {
        return withStatus(HttpStatus.OK, null);
    }

    protected <T> ResponseEntity<APIResponseDTO<CrudResponseDTO>> created(Long id) {
        return withStatus(HttpStatus.CREATED, new CrudResponseDTO(id, null));
    }

    protected <T> ResponseEntity<APIResponseDTO<CrudResponseDTO>> updated(Integer affectedRows) {
        return withStatus(HttpStatus.OK, new CrudResponseDTO(null, affectedRows));
    }

    protected <T> ResponseEntity<APIResponseDTO<CrudResponseDTO>> deleted(Integer affectedRows) {
        return withStatus(HttpStatus.OK, new CrudResponseDTO(null, affectedRows));
    }

}