87 lines
3.2 KiB
Java
87 lines
3.2 KiB
Java
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package ru.soune.nocopy.handler;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import ru.soune.nocopy.dto.BaseRequest;
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import ru.soune.nocopy.dto.BaseResponse;
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import ru.soune.nocopy.dto.MessageCode;
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import ru.soune.nocopy.dto.cost.CostRequest;
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import ru.soune.nocopy.dto.cost.CostResponse;
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import ru.soune.nocopy.entity.user.AuthToken;
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import ru.soune.nocopy.entity.user.User;
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import ru.soune.nocopy.repository.AuthTokenRepository;
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import ru.soune.nocopy.service.cost.CostService;
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import java.util.Optional;
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@Slf4j
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@Component
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@RequiredArgsConstructor
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public class CostHandler implements RequestHandler {
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private final CostService costService;
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private final AuthTokenRepository authTokenRepository;
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private final ObjectMapper objectMapper;
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@Override
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public BaseResponse handle(BaseRequest request) throws Exception {
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CostRequest costRequest = objectMapper.convertValue(request.getMessageBody(), CostRequest.class);
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String action = costRequest.getAction();
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return switch (action) {
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case "costFileProtect" -> handleFileProtectCost(costRequest, request);
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case "checkTokensForProtect" -> handleCheckTokensForFilesProtect(costRequest, request);
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default -> new BaseResponse(
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request.getMsgId(),
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MessageCode.INVALID_ACTION.getCode(),
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"Invalid action: " + action,
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null);
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};
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}
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private BaseResponse handleFileProtectCost(CostRequest costRequest, BaseRequest request) {
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int cost = costService.protectFileCost(costRequest.getFileType());
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return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
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MessageCode.SUCCESS.getDescription(),
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CostResponse.builder()
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.cost(cost)
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.build());
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}
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private BaseResponse handleCheckTokensForFilesProtect(CostRequest costRequest, BaseRequest request) {
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String authToken = costRequest.getAuthToken();
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Optional<AuthToken> token = authTokenRepository.findByToken(authToken);
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if (token.isEmpty()) {
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return new BaseResponse(
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request.getMsgId(),
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MessageCode.AUTH_TOKEN_NOT_FOUND.getCode(),
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MessageCode.AUTH_TOKEN_NOT_FOUND.getDescription(),
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null);
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}
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User user = token.get().getUser();
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Integer tokens = user.getActiveTariffInfo().getTokens();
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int cost = costService.protectFileCost(costRequest.getFileType());
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int count = costRequest.getCountFilesForProtect();
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int totalCost = count * cost;
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boolean success = totalCost <= tokens;
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int needToken = success ? 0: tokens - totalCost;
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CostResponse costResponse = CostResponse.builder()
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.cost(totalCost)
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.success(totalCost <= tokens)
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.needTokensCount(Math.abs(needToken))
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.build();
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return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
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MessageCode.SUCCESS.getDescription(), costResponse);
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}
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}
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