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package com.encora;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.data.domain.Sort;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.*;
import java.util.*;
@SpringBootApplication
@RestController
@RequestMapping("v1")
public class Main {
// Edit this origin and set where the Front End is allocated.
private static final String allowed_origin = "http://localhost:8080/";
private final ToDosRepository toDosRepository;
public Main(ToDosRepository toDosRepository) {
this.toDosRepository = toDosRepository;
}
public Main() {
this.toDosRepository = new ToDosRepository();
}
public static void main(String[] args) {
SpringApplication.run(Main.class, args);
}
// Get all to dos.
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos")
@ResponseStatus(value=HttpStatus.OK)
public List<ToDos> getToDos() {
return toDosRepository.findAll();
}
// Add a new to do.
@ResponseStatus(value=HttpStatus.BAD_REQUEST, reason="Text is longer than 120 characters.")
public static class longerThanMaxException extends RuntimeException {}
record toDoBody(
String text,
Date dueDate,
Priority priority
) {
}
@CrossOrigin(origins=allowed_origin)
@PostMapping("/todos")
@ResponseStatus(value=HttpStatus.OK)
public void addToDo(@RequestBody toDoBody toDo) {
if (toDo.text().length() > 120) {
throw new longerThanMaxException();
}
ToDos todo = new ToDos();
todo.setText(toDo.text());
todo.setDueDate(toDo.dueDate());
todo.setPriority(toDo.priority());
toDosRepository.save(todo);
}
// Updates to do with new information
@ResponseStatus(value=HttpStatus.BAD_REQUEST, reason="No to do with such index.")
public static class toDoNotFound extends RuntimeException {}
@CrossOrigin(origins=allowed_origin)
@PutMapping("/todos/{id}")
@ResponseStatus(value=HttpStatus.OK)
public void editToDo(@PathVariable("id") Integer id, @RequestBody toDoBody toDo) {
ToDos selectedToDo = toDosRepository.getById(id);
if (selectedToDo == null) throw new toDoNotFound();
if (toDo.text() != null) {
if (toDo.text().length() > 120) throw new longerThanMaxException();
selectedToDo.setText(toDo.text());
}
if (toDo.dueDate() != null) {
if (toDo.dueDate().equals(new Date(0))) {
selectedToDo.setDueDate(null);
} else {
selectedToDo.setDueDate(toDo.dueDate());
}
}
if (toDo.priority() != null) selectedToDo.setPriority(toDo.priority());
}
// Deletes a to do by index.
@CrossOrigin(origins=allowed_origin)
@DeleteMapping("/todos/{id}")
@ResponseStatus(value=HttpStatus.OK)
public void removeToDo(@PathVariable("id") Integer id) {
toDosRepository.deleteById(id);
}
// Update a to do with "done".
@CrossOrigin(origins=allowed_origin)
@PostMapping("/todos/{id}/done")
@ResponseStatus(value=HttpStatus.OK)
public void setDone(@PathVariable("id") Integer id) {
ToDos selectedToDo = toDosRepository.getById(id);
if (selectedToDo == null) throw new toDoNotFound();
if (selectedToDo.isDone()) return;
selectedToDo.setDone(true);
selectedToDo.setDoneDate(new Date());
toDosRepository.save(selectedToDo);
}
// Update a to do to set "done" as false.
@CrossOrigin(origins=allowed_origin)
@PutMapping("/todos/{id}/undone")
@ResponseStatus(value=HttpStatus.OK)
public void setUndone(@PathVariable("id") Integer id) {
ToDos selectedToDo = toDosRepository.getById(id);
if (selectedToDo == null) throw new toDoNotFound();
if (!selectedToDo.isDone()) return;
selectedToDo.setDone(false);
selectedToDo.setDoneDate(null);
toDosRepository.save(selectedToDo);
}
// Getting sorted to dos.
enum SortingsFields {
Id, Priority, DueDate
}
enum SortingOrders {
ASC, DESC
}
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos/{field}/{order}")
@ResponseStatus(value=HttpStatus.OK)
public List<ToDos> getSortedToDos(@PathVariable("field") SortingsFields field, @PathVariable("order") SortingOrders order) {
Sort sortingMethod = Sort.by(String.valueOf(field));
if (Objects.equals(String.valueOf(order), "DESC")) {
sortingMethod = sortingMethod.descending();
}
return toDosRepository.findAll(sortingMethod);
}
// Getting filtered to dos.
record toDoFilters (
String name,
String priority,
String done
) {
}
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos/filter")
@ResponseStatus(value=HttpStatus.OK)
public List<ToDos> getFilteredToDos(@RequestBody toDoFilters filters) throws Exception {
return toDosRepository.findAllWithFilter(filters.name(), filters.priority(), filters.done());
}
// Retrieve last index used.
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos/lastIndex")
@ResponseStatus(value=HttpStatus.OK)
public Integer giveMeLastID() {
return toDosRepository.lastId;
}
// Set filters and sorters for our to dos.
record filtersAndSorters (
toDoFilters filters,
SortingsFields sortField,
SortingOrders sortOrder
) {
}
@CrossOrigin(origins=allowed_origin)
@PostMapping("/todos/setFiltSort")
@ResponseStatus(value=HttpStatus.OK)
public void setFiltersAndSorters(@RequestBody filtersAndSorters filAndSor) throws Exception {
// Sorting method.
Sort sortingMethod = Sort.by(String.valueOf(filAndSor.sortField()));
if (Objects.equals(String.valueOf(filAndSor.sortOrder()), "DESC")) {
sortingMethod = sortingMethod.descending();
}
// Filter to dos and then sort them.
toDosRepository.refreshFilteredToDos(
sortingMethod,
filAndSor.filters().name(),
filAndSor.filters().priority(),
filAndSor.filters().done()
);
}
// Return our todos filtered, sorted AND paginated.
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos/filtSort/{page}")
@ResponseStatus(value=HttpStatus.OK)
public List<ToDos> getFilteredToDos(@PathVariable("page") Integer page) {
if(page <= 0) {
throw new IllegalArgumentException("invalid page: " + page);
}
final int pageSize = 10;
List<ToDos> myToDos = toDosRepository.getFilteredToDos();
int fromIndex = (page - 1) * pageSize;
if (myToDos.size() <= fromIndex) {
return Collections.emptyList();
}
// toIndex exclusive
return myToDos.subList(fromIndex, Math.min(fromIndex + pageSize, myToDos.size()));
}
// Return how many pages after filter and sorting.
@CrossOrigin(origins=allowed_origin)
@GetMapping("/todos/filtSort/pages")
@ResponseStatus(value=HttpStatus.OK)
public Integer getNumberOfPages() {
// Number of items divided by page size.
final int pageSize = 10;
return (int) Math.ceil((double) toDosRepository.filteredToDos.size() / pageSize);
}
}
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