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package com.osomapps.pt.reportphoto; |
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import com.osomapps.pt.ResourceNotFoundException; |
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import com.osomapps.pt.goals.InUserPhotoRepository; |
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import com.osomapps.pt.token.InUserPhoto; |
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import com.osomapps.pt.user.UserService; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.util.Base64; |
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import org.springframework.stereotype.Service; |
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@Service |
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class ReportPhotoFileService { |
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private static final String BASE64_PREFIX = ";base64,"; |
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private static final int BASE64_PREFIX_LENGTH = 8; |
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private final InUserPhotoRepository inUserPhotoRepository; |
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private final UserService userService; |
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ReportPhotoFileService(InUserPhotoRepository inUserPhotoRepository, UserService userService) { |
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this.inUserPhotoRepository = inUserPhotoRepository; |
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this.userService = userService; |
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} |
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ReportPhotoFileDTO findOne(String token, Long id, String fileName, OutputStream outputStream) |
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throws IOException { |
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if (!token.isEmpty()) { |
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userService.checkUserToken(token); |
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final InUserPhoto inUserPhoto = inUserPhotoRepository.findById(id).orElse(null); |
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if (inUserPhoto == null) { |
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throw new ResourceNotFoundException("File with id " + id + " not found"); |
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} |
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dataUrlToOutputStream(inUserPhoto.getData_url(), outputStream); |
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return new ReportPhotoFileDTO() |
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.setId(inUserPhoto.getId()) |
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.setFileName(inUserPhoto.getFile_name()) |
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.setFileType(inUserPhoto.getFile_type()); |
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} |
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return new ReportPhotoFileDTO(); |
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} |
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void dataUrlToOutputStream(String dataUrl, OutputStream outputStream) throws IOException { |
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final String encodedString = |
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dataUrl.substring(dataUrl.indexOf(BASE64_PREFIX) + BASE64_PREFIX_LENGTH); |
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outputStream.write(Base64.getDecoder().decode(encodedString)); |
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} |
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} |
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javadev /
pt-backend
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