80 lines
2.3 KiB
Rust
80 lines
2.3 KiB
Rust
use crate::{registry, ContextSelectionSet, GQLInputValue, GQLOutputValue, GQLType, Result, Value};
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use std::borrow::Cow;
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impl<T: GQLType> GQLType for Vec<T> {
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fn type_name() -> Cow<'static, str> {
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Cow::Owned(format!("[{}]", T::qualified_type_name()))
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}
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fn qualified_type_name() -> String {
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format!("[{}]!", T::qualified_type_name())
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}
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fn create_type_info(registry: &mut registry::Registry) -> String {
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T::create_type_info(registry)
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}
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}
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impl<T: GQLInputValue> GQLInputValue for Vec<T> {
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fn parse(value: &Value) -> Option<Self> {
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match value {
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Value::List(values) => {
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let mut result = Vec::new();
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for value in values {
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result.push(GQLInputValue::parse(value)?);
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}
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Some(result)
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}
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_ => None,
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}
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}
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}
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#[async_trait::async_trait]
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impl<T: GQLOutputValue + Send + Sync> GQLOutputValue for Vec<T> {
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async fn resolve(&self, ctx: &ContextSelectionSet<'_>) -> Result<serde_json::Value> {
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let mut res = Vec::new();
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for item in self {
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res.push(item.resolve(&ctx).await?);
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}
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Ok(res.into())
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}
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}
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impl<T: GQLType> GQLType for &[T] {
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fn type_name() -> Cow<'static, str> {
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Cow::Owned(format!("[{}]", T::type_name()))
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}
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fn create_type_info(registry: &mut registry::Registry) -> String {
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T::create_type_info(registry)
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}
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}
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#[async_trait::async_trait]
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impl<T: GQLOutputValue + Send + Sync> GQLOutputValue for &[T] {
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async fn resolve(&self, ctx: &ContextSelectionSet<'_>) -> Result<serde_json::Value> {
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let mut res = Vec::new();
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for item in self.iter() {
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res.push(item.resolve(&ctx).await?);
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}
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Ok(res.into())
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::GQLType;
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#[test]
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fn test_list_type() {
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assert_eq!(Vec::<i32>::type_name(), "[Int!]");
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assert_eq!(Vec::<Option<i32>>::type_name(), "[Int]");
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assert_eq!(Option::<Vec::<Option<i32>>>::type_name(), "[Int]");
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assert_eq!(Vec::<i32>::qualified_type_name(), "[Int!]!");
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assert_eq!(Vec::<Option<i32>>::qualified_type_name(), "[Int]!");
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assert_eq!(Option::<Vec::<Option<i32>>>::qualified_type_name(), "[Int]");
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}
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}
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