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use crate::registry::NestedValidationFn;
use prost_reflect::{DynamicMessage, FieldDescriptor};
use prost_types::Timestamp;
use prost_validate::errors::{message, timestamp};
use prost_validate::utils::{AsDateTime, AsDuration};
use prost_validate::{errors, Error};
use prost_validate_types::field_rules::Type;
use prost_validate_types::{FieldRules, TimestampRules};
use std::sync::Arc;
use time::OffsetDateTime;
fn push<F>(fns: &mut Vec<NestedValidationFn<Box<DynamicMessage>>>, name: &Arc<String>, f: Arc<F>)
where
F: Fn(&OffsetDateTime, &TimestampRules, &String) -> prost_validate::Result<bool>
+ Send
+ Sync
+ 'static,
{
let name = name.clone();
fns.push(Arc::new(move |val, rules, _| {
let val = match val.map(|v| v.transcode_to::<Timestamp>()) {
Some(Ok(val)) => val.as_datetime(),
#[allow(clippy::unwrap_used)]
_ => OffsetDateTime::from_unix_timestamp(0).unwrap(),
};
let rules = match rules.r#type {
Some(Type::Timestamp(rules)) => rules,
_ => {
return Err(Error::new(
name.to_string(),
errors::Error::InvalidRules("unexpected timestamp rules".to_string()),
))
}
};
f(&val, &rules, &name)
}))
}
#[allow(clippy::unwrap_used)]
pub(crate) fn make_validate_timestamp(
field: &FieldDescriptor,
rules: &FieldRules,
) -> Vec<NestedValidationFn<Box<DynamicMessage>>> {
let mut fns = Vec::new();
let rules = match rules.r#type {
Some(Type::Timestamp(rules)) => rules,
_ => return fns,
};
let name = Arc::new(field.full_name().to_string());
if rules.required() {
let name = name.clone();
fns.push(Arc::new(move |val, _, _| {
if val.is_none() {
return Err(Error::new(name.to_string(), message::Error::Required));
}
Ok(true)
}));
} else {
fns.push(Arc::new(move |val, _, _| Ok(val.is_some())));
}
if rules.r#const.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let want = rules.r#const.unwrap().as_datetime();
if *val != want {
return Err(Error::new(name.to_string(), timestamp::Error::Const(want)));
}
Ok(true)
},
),
);
}
// reference implementation: https://github.com/bufbuild/protoc-gen-validate/blob/v1.1.0/templates/goshared/timestamp.go
if let Some(lt) = rules.lt.map(|v| v.as_datetime()) {
if let Some(gt) = rules.gt.map(|v| v.as_datetime()) {
if lt > gt {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let lt = rules.lt.unwrap().as_datetime();
let gt = rules.gt.unwrap().as_datetime();
if *val <= gt || *val >= lt {
return Err(Error::new(
name,
timestamp::Error::in_range(false, gt, lt, false),
));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let lt = rules.lt.unwrap().as_datetime();
let gt = rules.gt.unwrap().as_datetime();
if *val >= lt && *val <= gt {
return Err(Error::new(
name,
timestamp::Error::not_in_range(true, lt, gt, true),
));
}
Ok(true)
},
),
);
}
} else if let Some(gte) = rules.gte.map(|v| v.as_datetime()) {
if lt > gte {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gte = rules.gte.unwrap().as_datetime();
let lt = rules.lt.unwrap().as_datetime();
if *val < gte || *val >= lt {
return Err(Error::new(
name,
timestamp::Error::in_range(true, gte, lt, false),
));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gte = rules.gte.unwrap().as_datetime();
let lt = rules.lt.unwrap().as_datetime();
if *val >= lt && *val < gte {
return Err(Error::new(
name,
timestamp::Error::not_in_range(true, lt, gte, false),
));
}
Ok(true)
},
),
);
}
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let lt = rules.lt.unwrap().as_datetime();
if *val >= lt {
return Err(Error::new(name.to_string(), timestamp::Error::Lt(lt)));
}
Ok(true)
},
),
);
}
} else if let Some(lte) = rules.lte.map(|v| v.as_datetime()) {
if let Some(gt) = rules.gt.map(|v| v.as_datetime()) {
if lte > gt {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gt = rules.gt.unwrap().as_datetime();
let lte = rules.lte.unwrap().as_datetime();
if *val <= gt || *val > lte {
return Err(Error::new(
name,
timestamp::Error::in_range(false, gt, lte, true),
));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gt = rules.gt.unwrap().as_datetime();
let lte = rules.lte.unwrap().as_datetime();
if *val > lte && *val <= gt {
return Err(Error::new(
name,
timestamp::Error::not_in_range(false, lte, gt, true),
));
}
Ok(true)
},
),
);
}
} else if let Some(gte) = rules.gte.map(|v| v.as_datetime()) {
if lte > gte {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gte = rules.gte.unwrap().as_datetime();
let lte = rules.lte.unwrap().as_datetime();
if *val < gte || *val > lte {
return Err(Error::new(
name,
timestamp::Error::in_range(true, gte, lte, true),
));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gte = rules.gte.unwrap().as_datetime();
let lte = rules.lte.unwrap().as_datetime();
if *val > lte && *val < gte {
return Err(Error::new(
name,
timestamp::Error::not_in_range(false, lte, gte, false),
));
}
Ok(true)
},
),
);
}
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let lte = rules.lte.unwrap().as_datetime();
if *val > lte {
return Err(Error::new(name.to_string(), timestamp::Error::Lte(lte)));
}
Ok(true)
},
),
);
}
} else if rules.gt.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gt = rules.gt.unwrap().as_datetime();
if *val <= gt {
return Err(Error::new(name.to_string(), timestamp::Error::Gt(gt)));
}
Ok(true)
},
),
);
} else if rules.gte.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let gte = rules.gte.unwrap().as_datetime();
if *val < gte {
return Err(Error::new(name.to_string(), timestamp::Error::Gte(gte)));
}
Ok(true)
},
),
);
} else if rules.lt_now.is_some() {
if rules.within.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let now = time::OffsetDateTime::now_utc();
let d = rules.within.unwrap().as_duration();
if *val >= now || *val < now - d {
return Err(Error::new(name, timestamp::Error::LtNowWithin(d)));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, _: &TimestampRules, name: &String| {
let now = OffsetDateTime::now_utc();
if *val >= now {
return Err(Error::new(name.to_string(), timestamp::Error::LtNow));
}
Ok(true)
},
),
);
}
} else if rules.gt_now.is_some() {
if rules.within.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let now = OffsetDateTime::now_utc();
let d = rules.within.unwrap().as_duration();
if *val <= now || *val > now + d {
return Err(Error::new(name, timestamp::Error::GtNowWithin(d)));
}
Ok(true)
},
),
);
} else {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, _: &TimestampRules, name: &String| {
let now = OffsetDateTime::now_utc();
if *val <= now {
return Err(Error::new(name.to_string(), timestamp::Error::GtNow));
}
Ok(true)
},
),
);
}
} else if rules.within.is_some() {
push(
&mut fns,
&name,
Arc::new(
move |val: &OffsetDateTime, rules: &TimestampRules, name: &String| {
let now = OffsetDateTime::now_utc();
let d = rules.within.unwrap().as_duration();
if *val < now - d || *val > now + d {
return Err(Error::new(name.to_string(), timestamp::Error::Within(d)));
}
Ok(true)
},
),
);
}
fns
}