Import von bestehenden CSV-Dateien

- CSV-Dateien im Verzeichniss "import" werden automatisch eingelesen

src/main/java/de/etecture/ga/api/GarageApiController.java

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+/**
+ * 
+ */
+package de.etecture.ga.api;
+
+import java.util.List;
+
+import org.springframework.http.ResponseEntity;
+
+import de.etecture.ga.dto.Termin;
+import de.etecture.ga.dto.TerminRequest;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.NotNull;
+
+/**
+ * 
+ */
+public class GarageApiController implements WerkstattApi {
+
+	@Override
+	public ResponseEntity<Termin> getTermin(String werkstattId, String terminId) {
+		// TODO Auto-generated method stub
+		return WerkstattApi.super.getTermin(werkstattId, terminId);
+	}
+
+	@Override
+	public ResponseEntity<List<Termin>> getTermine(String werkstattId, @Valid String von, @Valid String bis,
+			@Valid String leistungsId) {
+		// TODO Auto-generated method stub
+		return WerkstattApi.super.getTermine(werkstattId, von, bis, leistungsId);
+	}
+
+	@Override
+	public ResponseEntity<List<Termin>> getTerminvorschlaege(String werkstattId, @NotNull @Valid String leistungsId,
+			@Valid String von, @Valid String bis) {
+		// TODO Auto-generated method stub
+		return WerkstattApi.super.getTerminvorschlaege(werkstattId, leistungsId, von, bis);
+	}
+
+	@Override
+	public ResponseEntity<Termin> postTermin(String werkstattId, @Valid TerminRequest termin) {
+		// TODO Auto-generated method stub
+		return WerkstattApi.super.postTermin(werkstattId, termin);
+	}
+
+}

src/main/java/de/etecture/ga/config/Setup.java

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+package de.etecture.ga.config;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import de.etecture.ga.model.Garage;
+import de.etecture.ga.service.GarageImportService;
+import jakarta.annotation.PostConstruct;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Component
+public class Setup {
+
+	@Autowired
+	private GarageImportService importService;
+
+	@PostConstruct
+	private void setupData() {
+
+		List<Garage> garages = importService.importGarageData();
+
+		// Daten in DB übertragen
+
+	}
+
+}

src/main/java/de/etecture/ga/model/Appointment.java

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+package de.etecture.ga.model;
+
+import java.time.Duration;
+import java.util.Date;
+
+import org.springframework.data.annotation.Id;
+
+import lombok.Data;
+
+@Data
+public class Appointment {
+
+	@Id
+	private Long id;
+	
+	private Garage garage;
+	
+	private String serviceCode;
+	
+	private String serviceName;
+	
+	private Date appointmentTime;
+	
+	private Duration duration;
+}

src/main/java/de/etecture/ga/model/Garage.java

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+package de.etecture.ga.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.data.annotation.Id;
+
+import lombok.Data;
+
+@Data
+public class Garage {
+
+	@Id
+	private Long id;
+	
+	private String name;
+	
+	private List<Appointment> appointments;
+	
+	public Garage addAppointment(Appointment appointment) {
+		
+		if(this.appointments == null) {
+			this.appointments = new ArrayList<>();
+		}
+		
+		this.appointments.add(appointment);
+		return this;
+	}
+}

src/main/java/de/etecture/ga/model/MDService.java

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+package de.etecture.ga.model;
+
+import java.time.Duration;
+
+import org.springframework.data.annotation.Id;
+
+import lombok.Data;
+
+@Data
+public class MDService {
+
+	@Id
+	private Long id;
+	
+	private String code;
+	
+	private String name;
+	
+	private Duration duration;
+}

src/main/java/de/etecture/ga/service/GarageImportService.java

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+package de.etecture.ga.service;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Stream;
+
+import org.springframework.stereotype.Service;
+
+import com.fasterxml.jackson.databind.MappingIterator;
+import com.fasterxml.jackson.dataformat.csv.CsvMapper;
+import com.fasterxml.jackson.dataformat.csv.CsvSchema;
+
+import de.etecture.ga.model.Appointment;
+import de.etecture.ga.model.Garage;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Service
+public class GarageImportService {
+
+	private static final String IMPORT_FOLDER = "import";
+
+	
+	public List<Garage> importGarageData() {
+
+		List<Garage> importData = new ArrayList<>();
+
+		try (Stream<Path> files = Files
+				.list(Paths.get(getClass().getClassLoader().getResource(IMPORT_FOLDER).toURI()))) {
+
+			files.filter(Files::isRegularFile).filter(path -> path.toString().endsWith(".csv"))
+					.map(this::loadGarageData).<Garage>mapMulti(Optional::ifPresent).forEach(importData::add);
+
+		} catch (IOException | URISyntaxException e) {
+			log.error("Can't read file", e);
+		}
+
+		return importData;
+	}
+
+	public Optional<Garage> loadGarageData(final Path file) {
+
+		Garage garage = new Garage();
+		garage.setName(getGarageNameFromFile(file));
+
+		List<CSVData> appointments = loadObjectsFromFile(file);
+		appointments.stream().map(data -> this.fromCSVData(data, garage)).filter(Objects::nonNull)
+				.forEach(garage::addAppointment);
+
+		return Optional.of(garage);
+	}
+
+	private String getGarageNameFromFile(final Path fileName) {
+
+		String name = fileName.getFileName().toString();
+
+		int pos = name.lastIndexOf(".");
+		if (pos > 0 && pos < (name.length() - 1)) {
+			name = name.substring(0, pos);
+		}
+
+		return name;
+	}
+
+	private List<CSVData> loadObjectsFromFile(final Path file) {
+
+		try {
+			CsvSchema bootstrapSchema = CsvSchema.emptySchema().withHeader();
+			CsvMapper mapper = new CsvMapper();
+			MappingIterator<CSVData> readValues = mapper.readerFor(CSVData.class).with(bootstrapSchema)
+					.readValues(file.toFile());
+
+			return readValues.readAll();
+
+		} catch (Exception e) {
+			log.error("Error occurred while loading object list from file {}", file, e);
+			return Collections.emptyList();
+		}
+	}
+
+	private Appointment fromCSVData(CSVData data, Garage forGarage) {
+
+		if (data == null)
+			return null;
+
+		Appointment appointment = new Appointment();
+		appointment.setGarage(forGarage);
+		appointment.setAppointmentTime(data.APP_DATE);
+		appointment.setServiceCode(data.SERVICE);
+
+		return appointment;
+	}
+
+	private record CSVData(Date APP_DATE, String SERVICE) {
+	}
+}