d-webservice-example/source/d_webservice_example/business/todo_service.d

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module d_webservice_example.business.todo_service;
import d_webservice_example.model.todo : Todo;
import std.uuid : UUID, randomUUID;
class TodoService
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{
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import d_webservice_example.business.todo_notification_service : TodoNotificationService;
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import d_webservice_example.data.todo_update_do : TodoUpdateDO;
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import vibe.core.log : logInfo;
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private:
TodoRepository todoRepository;
public:
this(TodoRepository todoRepository) nothrow pure @nogc @safe
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{
this.todoRepository = todoRepository;
}
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Todo createTodo(const Todo newTodo) @safe
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{
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immutable createdTodo = todoRepository.save(Todo(newTodo.title,
newTodo.content, randomUUID));
logInfo("Created todo %s", createdTodo);
return createdTodo;
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}
Todo[] getAllTodos() @safe
{
return todoRepository.findAll;
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}
Todo getTodoByUuid(const UUID uuid) @safe
{
import std.exception : enforce;
import vibe.http.common : HTTPStatus, HTTPStatusException;
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import optional.optional : orElse;
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immutable todo = todoRepository.findByUuid(uuid).orElse!(function Todo() {
throw new HTTPStatusException(HTTPStatus.NotFound);
});
return todo;
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}
Todo updateTodo(UUID uuid, const TodoUpdateDO todoUpdate) @safe
{
auto todo = getTodoByUuid(uuid);
if (todoUpdate.title != null)
todo.title = todoUpdate.title;
if (todoUpdate.content != null)
todo.content = todoUpdate.content;
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immutable updatedTodo = todoRepository.save(todo);
logInfo("Updated todo %s", updatedTodo);
return updatedTodo;
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}
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Todo deleteTodo(UUID uuid) @safe
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{
immutable todo = getTodoByUuid(uuid);
todoRepository.remove(todo);
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logInfo("Deleted todo %s", todo);
return todo;
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}
}
interface TodoRepository
{
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import optional.optional : Optional;
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Todo save(Todo todo) @safe;
bool remove(Todo todo) @safe;
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Optional!Todo findByUuid(UUID uuid) @safe;
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Todo[] findAll() @safe;
}