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package com.terminaldweller.doc;
import java.util.Optional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/** The document service class. */
@Service
public class DocService {
private final DocRepository docRepository;
@Autowired
public DocService(DocRepository docRepository) {
this.docRepository = docRepository;
}
/**
* get a document by its id.
*
* @param id of the document to get.
* @return returns the found doc if any.
*/
public Optional<Doc> getDocs(Long id) {
Optional<Doc> docOptional = docRepository.findById(id);
if (docOptional.isPresent()) {
return docOptional;
}
throw new IllegalStateException("Id does not exist");
}
/**
* Adds a new Document to the data store.
*
* @param doc the new Document to add.
* @param id the id of the document that's going to be created.
*/
public void addNewDoc(Long id, Doc doc) {
// Optional<Doc> docOptional = docRepository.findDocByName(doc.getName());
Optional<Doc> docOptional = docRepository.findById(id);
if (docOptional.isPresent()) {
throw new IllegalStateException("Id is already taken");
}
doc.setId(id);
docRepository.save(doc);
}
/**
* Update a Document.
*
* @param doc the document to update.
* @param id the id of the document to be updated.
*/
public void updateDoc(Doc doc, Long id) {
Optional<Doc> docOptional = docRepository.findById(id);
if (!docOptional.isPresent()) {
throw new IllegalStateException("Resource must be created before update");
}
doc.setId(id);
doc.setLastModified(System.currentTimeMillis() / 1000L);
doc.setBody(doc.getBody());
docRepository.save(doc);
}
/**
* Deletes a document from the data store.
*
* @param id The identifier for the document to be deleted.
*/
public void deleteDoc(Long id) {
boolean exists = docRepository.existsById(id);
if (!exists) {
throw new IllegalStateException("doc " + Long.toString(id) + " does not exitst");
}
docRepository.deleteById(id);
}
}
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