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//! Module containing `TaskStatus` type and trait impls
use std::fmt::{Display, Formatter};
use std::fmt::Error as FmtError;
use serde::Serialize;
use serde::Serializer;
use serde::Deserialize;
use serde::Deserializer;
use serde::de::Error;
use serde::de::Visitor;
/// Enum for status taskwarrior supports.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum TaskStatus {
/// Pening status type
Pending,
/// Deleted status type
Deleted,
/// Completed status type
Completed,
/// Waiting status type
Waiting,
/// Recurring status type
Recurring
}
impl Display for TaskStatus {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
match self {
&TaskStatus::Pending => write!(fmt, "Pending"),
&TaskStatus::Deleted => write!(fmt, "Deleted"),
&TaskStatus::Completed => write!(fmt, "Completed"),
&TaskStatus::Waiting => write!(fmt, "Waiting"),
&TaskStatus::Recurring => write!(fmt, "Recurring"),
}
}
}
impl Serialize for TaskStatus {
fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
where S: Serializer
{
serializer.serialize_str(
match self {
&TaskStatus::Pending => "pending",
&TaskStatus::Deleted => "deleted",
&TaskStatus::Completed => "completed",
&TaskStatus::Waiting => "waiting",
&TaskStatus::Recurring => "recurring",
}
)
}
}
impl Deserialize for TaskStatus {
fn deserialize<D>(deserializer: &mut D) -> Result<TaskStatus, D::Error>
where D: Deserializer
{
struct TaskStatusVisitor;
impl Visitor for TaskStatusVisitor {
type Value = TaskStatus;
fn visit_str<E>(&mut self, value: &str) -> Result<TaskStatus, E>
where E: Error
{
match value {
"pending" => Ok(TaskStatus::Pending),
"deleted" => Ok(TaskStatus::Deleted),
"completed" => Ok(TaskStatus::Completed),
"waiting" => Ok(TaskStatus::Waiting),
"recurring" => Ok(TaskStatus::Recurring),
_ => Err(Error::custom("expected one of pending, deleted, completed, waiting, recurring")),
}
}
}
deserializer.deserialize(TaskStatusVisitor)
}
}
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