use super::{MJAccordionElement, MJAccordionElementChild, MJAccordionElementChildren, NAME};
use crate::json_attrs_and_children_deserializer;
use crate::json_attrs_and_children_serializer;
use serde::de::{Error, MapAccess, SeqAccess, Visitor};
use serde::ser::{SerializeMap, SerializeSeq};
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use std::fmt;
impl MJAccordionElementChildren {
fn is_empty(&self) -> bool {
self.title.is_none() && self.text.is_none()
}
}
impl Serialize for MJAccordionElementChildren {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut map = serializer.serialize_seq(Some(2))?;
if let Some(ref title) = self.title {
map.serialize_element(title)?;
}
if let Some(ref text) = self.text {
map.serialize_element(text)?;
}
map.end()
}
}
#[derive(Default)]
struct MJAccordionElementChildrenVisitor;
impl<'de> Visitor<'de> for MJAccordionElementChildrenVisitor {
type Value = MJAccordionElementChildren;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("a sequence with title and text elements")
}
fn visit_seq<S>(self, mut access: S) -> Result<Self::Value, S::Error>
where
S: SeqAccess<'de>,
{
let mut result = MJAccordionElementChildren::default();
while let Some(value) = access.next_element::<MJAccordionElementChild>()? {
match value {
MJAccordionElementChild::MJAccordionTitle(title) => result.title = Some(title),
MJAccordionElementChild::MJAccordionText(text) => result.text = Some(text),
_ => (),
};
}
Ok(result)
}
}
impl<'de> Deserialize<'de> for MJAccordionElementChildren {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
deserializer.deserialize_seq(MJAccordionElementChildrenVisitor::default())
}
}
json_attrs_and_children_serializer!(MJAccordionElement, NAME);
json_attrs_and_children_deserializer!(MJAccordionElement, MJAccordionElementVisitor, NAME);
#[cfg(test)]
mod tests {
use crate::mj_accordion_element::MJAccordionElement;
#[test]
fn serialize() {
let mut elt = MJAccordionElement::default();
elt.attributes
.insert("margin".to_string(), "12px".to_string());
assert_eq!(
serde_json::to_string(&elt).unwrap(),
r#"{"type":"mj-accordion-element","attributes":{"margin":"12px"}}"#
);
}
#[test]
fn deserialize() {
let json = r#"{"type":"mj-accordion-element","attributes":{"margin":"12px"},"children":[{"type":"mj-accordion-title"},{"type":"mj-accordion-text"}]}"#;
let res: MJAccordionElement = serde_json::from_str(json).unwrap();
assert!(res.children.text.is_some());
assert!(res.children.title.is_some());
let next = serde_json::to_string(&res).unwrap();
assert_eq!(next, json);
}
}