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no-copy/src/main/java/ru/soune/nocopy/handler/LawCaseHandler.java
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2026-04-06 14:51:00 +07:00
package ru.soune.nocopy.handler;
import com.fasterxml.jackson.databind.ObjectMapper;
import jakarta.mail.MessagingException;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Component;
import ru.soune.nocopy.dto.BaseRequest;
import ru.soune.nocopy.dto.BaseResponse;
import ru.soune.nocopy.dto.MessageCode;
import ru.soune.nocopy.dto.complaint.LawCaseRequest;
import ru.soune.nocopy.dto.complaint.LawCaseResponse;
import ru.soune.nocopy.dto.complaint.PaginatedResponse;
import ru.soune.nocopy.entity.complaint.LawCase;
import ru.soune.nocopy.entity.complaint.LawCasePriority;
import ru.soune.nocopy.entity.complaint.LawCaseType;
import ru.soune.nocopy.entity.user.User;
import ru.soune.nocopy.exception.NotValidFieldException;
import ru.soune.nocopy.exception.TariffNotFoundException;
import ru.soune.nocopy.exception.UserNotFoundException;
import ru.soune.nocopy.repository.UserRepository;
import ru.soune.nocopy.service.complaint.LawCaseService;
import ru.soune.nocopy.service.register.AuthService;
import ru.soune.nocopy.service.tariff.TariffConstants;
import ru.soune.nocopy.service.tariff.TariffInfoService;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Slf4j
@Component
@RequiredArgsConstructor
public class LawCaseHandler implements RequestHandler {
private final LawCaseService lawCaseService;
private final AuthService authService;
private final ObjectMapper objectMapper;
private final UserRepository userRepository;
private final TariffInfoService tariffInfoService;
@Override
public BaseResponse handle(BaseRequest request) throws Exception {
LawCaseRequest lawCaseRequest = objectMapper.convertValue(request.getMessageBody(),
LawCaseRequest.class);
Long userId = authService.useUserAuthToken(lawCaseRequest.getToken());
String action = lawCaseRequest.getAction();
return switch (action) {
case "get_all" -> getAllUserLawCases(userId, lawCaseRequest, request);
case "get_byId" -> getLawCaseById(lawCaseRequest.getId(), request);
case "create" -> createLawCase(userId, lawCaseRequest, request);
case "update_priority" -> updatePriority(lawCaseRequest, request);
case "update_type" -> updateType(lawCaseRequest, request);
case "update_amount" -> updateAmount(lawCaseRequest, request);
case "delete" -> deleteLawCase(lawCaseRequest.getId(), request);
default -> new BaseResponse(
request.getMsgId(),
MessageCode.INVALID_ACTION.getCode(),
MessageCode.INVALID_ACTION.getDescription(),
Map.of("actions", "get_all, get_byId, create, update_priority, update_type, " +
"update_amount, delete")
);
};
}
private BaseResponse getAllUserLawCases(Long userId, LawCaseRequest lawCaseRequest, BaseRequest request) {
Page<LawCase> lawCases = lawCaseService.getAllUserLawCases(
userId,
lawCaseRequest.getPageSize(),
lawCaseRequest.getPageNumber(),
lawCaseRequest.getFilterType(),
lawCaseRequest.getFilterLawyer(),
lawCaseRequest.getFilterPriority(),
lawCaseRequest.getSortBy(),
lawCaseRequest.getSortDir());
List<LawCaseResponse> responses = lawCases.getContent().stream()
.map(LawCaseResponse::fromEntity)
.collect(Collectors.toList());
PaginatedResponse<LawCaseResponse> paginatedResponse = new PaginatedResponse<>(
responses,
lawCases.getTotalElements(),
lawCases.getTotalPages(),
lawCases.getNumber(),
lawCases.getSize(),
lawCases.isFirst(),
lawCases.isLast()
);
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), paginatedResponse);
}
private BaseResponse getLawCaseById(Long id, BaseRequest request) {
LawCase lawCase = lawCaseService.getById(id);
if (lawCase == null) {
return new BaseResponse(request.getMsgId(), MessageCode.LAW_CASE_NOT_FOUND.getCode(),
MessageCode.LAW_CASE_NOT_FOUND.getDescription(), Map.of("id", id));
}
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), LawCaseResponse.fromEntity(lawCase));
}
private BaseResponse createLawCase(Long userId, LawCaseRequest lawCaseRequest, BaseRequest request) {
try {
tariffInfoService.writeOffTokens(userId, TariffConstants.LEGAL_COST);
} catch (TariffNotFoundException e) {
return new BaseResponse(request.getMsgId(), MessageCode.USER_NOT_HAVE_TOKEN.getCode(),
MessageCode.USER_NOT_HAVE_TOKEN.getDescription(),
Map.of("error", "Tariff not found", "message", e.getMessage()));
} catch (MessagingException | IOException e) {
return new BaseResponse(request.getMsgId(), MessageCode.INVALID_FIELD.getCode(),
MessageCode.INVALID_FIELD.getDescription(), Map.of("id", lawCaseRequest.getId()));
}
validateRequiredParameters(lawCaseRequest, request);
User user = userRepository.findById(userId).orElseThrow(() -> new UserNotFoundException("User not found"));
LawCase lawCase = lawCaseService.addLawCase(
lawCaseRequest.getAmount(),
lawCaseRequest.getDescription(),
lawCaseRequest.getName(),
LawCasePriority.valueOf(lawCaseRequest.getPriority()));
lawCase.setUser(user);
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), LawCaseResponse.fromEntity(lawCase));
}
private BaseResponse updatePriority(LawCaseRequest lawCaseRequest, BaseRequest request) {
LawCase lawCase = lawCaseService.changePriority(
lawCaseRequest.getId(),
LawCasePriority.valueOf(lawCaseRequest.getPriority()));
if (lawCase == null) {
return new BaseResponse(request.getMsgId(), MessageCode.LAW_CASE_NOT_FOUND.getCode(),
MessageCode.LAW_CASE_NOT_FOUND.getDescription(), Map.of("id", lawCaseRequest.getId()));
}
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), LawCaseResponse.fromEntity(lawCase));
}
private BaseResponse updateType(LawCaseRequest lawCaseRequest, BaseRequest request) {
LawCase lawCase = lawCaseService.changeStatus(
lawCaseRequest.getId(),
LawCaseType.valueOf(lawCaseRequest.getType()));
if (lawCase == null) {
return new BaseResponse(request.getMsgId(), MessageCode.LAW_CASE_NOT_FOUND.getCode(),
MessageCode.LAW_CASE_NOT_FOUND.getDescription(), Map.of("id", lawCaseRequest.getId()));
}
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), LawCaseResponse.fromEntity(lawCase));
}
private BaseResponse updateAmount(LawCaseRequest lawCaseRequest, BaseRequest request) {
LawCase lawCase = lawCaseService.changeDamage(
lawCaseRequest.getId(),
lawCaseRequest.getAmount());
if (lawCase == null) {
return new BaseResponse(request.getMsgId(), MessageCode.LAW_CASE_NOT_FOUND.getCode(),
MessageCode.LAW_CASE_NOT_FOUND.getDescription(), Map.of("id", lawCaseRequest.getId()));
}
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), LawCaseResponse.fromEntity(lawCase));
}
private BaseResponse deleteLawCase(Long id, BaseRequest request) {
lawCaseService.deleteById(id);
return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
MessageCode.SUCCESS.getDescription(), Map.of("id", id));
}
private void validateRequiredParameters(LawCaseRequest lawCaseRequest, BaseRequest request) {
if (lawCaseRequest.getName() == null) throw new NotValidFieldException("Name is required",
new BaseResponse(request.getMsgId(), MessageCode.NOT_VALID_FIELD.getCode(),
MessageCode.NOTION_NOT_FOUND.getDescription(), Map.of("fields", "name")));
if (lawCaseRequest.getDescription() == null) throw new NotValidFieldException("Description is required",
new BaseResponse(request.getMsgId(), MessageCode.NOT_VALID_FIELD.getCode(),
MessageCode.NOTION_NOT_FOUND.getDescription(), Map.of("fields", "description")));
}
}