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use {
super::{Value, ValueError},
crate::result::Result,
chrono::NaiveDateTime,
};
pub trait Convert<Core> {
fn convert(self) -> Result<Core>;
}
pub trait ConvertFrom<Value>: Sized {
fn convert_from(value: Value) -> Result<Self>;
}
impl<Core, Value> ConvertFrom<Value> for Core
where
Value: Convert<Core> + Clone,
{
fn convert_from(value: Value) -> Result<Core> {
value.convert()
}
}
impl Convert<bool> for Value {
fn convert(self) -> Result<bool> {
Ok(match self {
Value::Bool(inner) => inner,
other => return Err(ValueError::CannotConvert(other, "BOOLEAN").into()),
})
}
}
impl Convert<u64> for Value {
fn convert(self) -> Result<u64> {
Ok(match self {
Value::U64(inner) => inner,
other => return Err(ValueError::CannotConvert(other, "UINTEGER").into()),
})
}
}
impl Convert<i64> for Value {
fn convert(self) -> Result<i64> {
Ok(match self {
Value::I64(inner) => inner,
other => return Err(ValueError::CannotConvert(other, "INTEGER").into()),
})
}
}
impl Convert<f64> for Value {
fn convert(self) -> Result<f64> {
Ok(match self {
Value::F64(inner) => inner,
#[cfg(feature = "implicit_float_conversion")]
Value::I64(inner) => inner as f64,
other => return Err(ValueError::CannotConvert(other, "FLOAT").into()),
})
}
}
impl Convert<String> for Value {
fn convert(self) -> Result<String> {
Ok(match self {
Value::Str(inner) => inner,
other => return Err(ValueError::CannotConvert(other, "TEXT").into()),
})
}
}
impl Convert<NaiveDateTime> for Value {
fn convert(self) -> Result<NaiveDateTime> {
let secs = self.convert()?;
Ok(NaiveDateTime::from_timestamp(secs, 0))
}
}
