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use std::collections::{HashMap, HashSet};
use apollo_encoder::ObjectDefinition;
use arbitrary::Result;
use crate::{
description::Description,
directive::{Directive, DirectiveLocation},
field::FieldDef,
name::Name,
DocumentBuilder, StackedEntity,
};
#[derive(Debug, Clone)]
pub struct ObjectTypeDef {
pub(crate) description: Option<Description>,
pub(crate) name: Name,
pub(crate) implements_interfaces: HashSet<Name>,
pub(crate) directives: HashMap<Name, Directive>,
pub(crate) fields_def: Vec<FieldDef>,
pub(crate) extend: bool,
}
impl From<ObjectTypeDef> for ObjectDefinition {
fn from(val: ObjectTypeDef) -> Self {
let mut object_def = ObjectDefinition::new(val.name.into());
if let Some(description) = val.description {
object_def.description(description.into())
}
val.implements_interfaces
.into_iter()
.for_each(|itf| object_def.interface(itf.into()));
val.fields_def
.into_iter()
.for_each(|fd| object_def.field(fd.into()));
val.directives
.into_iter()
.for_each(|(_, directive)| object_def.directive(directive.into()));
if val.extend {
object_def.extend();
}
object_def
}
}
#[cfg(feature = "parser-impl")]
impl TryFrom<apollo_parser::ast::ObjectTypeDefinition> for ObjectTypeDef {
type Error = crate::FromError;
fn try_from(object_def: apollo_parser::ast::ObjectTypeDefinition) -> Result<Self, Self::Error> {
Ok(Self {
name: object_def
.name()
.expect("object type definition must have a name")
.into(),
description: object_def.description().map(Description::from),
directives: object_def
.directives()
.map(Directive::convert_directives)
.transpose()?
.unwrap_or_default(),
implements_interfaces: object_def
.implements_interfaces()
.map(|impl_int| {
impl_int
.named_types()
.map(|n| n.name().unwrap().into())
.collect()
})
.unwrap_or_default(),
extend: false,
fields_def: object_def
.fields_definition()
.expect("object type definition must have fields definition")
.field_definitions()
.map(FieldDef::try_from)
.collect::<Result<Vec<_>, _>>()?,
})
}
}
#[cfg(feature = "parser-impl")]
impl TryFrom<apollo_parser::ast::ObjectTypeExtension> for ObjectTypeDef {
type Error = crate::FromError;
fn try_from(object_def: apollo_parser::ast::ObjectTypeExtension) -> Result<Self, Self::Error> {
Ok(Self {
name: object_def
.name()
.expect("object type definition must have a name")
.into(),
description: None,
directives: object_def
.directives()
.map(Directive::convert_directives)
.transpose()?
.unwrap_or_default(),
implements_interfaces: object_def
.implements_interfaces()
.map(|impl_int| {
impl_int
.named_types()
.map(|n| n.name().unwrap().into())
.collect()
})
.unwrap_or_default(),
extend: true,
fields_def: object_def
.fields_definition()
.expect("object type definition must have fields definition")
.field_definitions()
.map(FieldDef::try_from)
.collect::<Result<Vec<_>, _>>()?,
})
}
}
impl<'a> DocumentBuilder<'a> {
pub fn object_type_definition(&mut self) -> Result<ObjectTypeDef> {
let extend = !self.object_type_defs.is_empty() && self.u.arbitrary().unwrap_or(false);
let description = self
.u
.arbitrary()
.unwrap_or(false)
.then(|| self.description())
.transpose()?;
let name = if extend {
let available_objects: Vec<&Name> = self
.object_type_defs
.iter()
.filter_map(|object| {
if object.extend {
None
} else {
Some(&object.name)
}
})
.collect();
(*self.u.choose(&available_objects)?).clone()
} else {
self.type_name()?
};
let interface_impls = self.implements_interfaces()?;
let implements_fields: Vec<FieldDef> = interface_impls
.iter()
.flat_map(|itf_name| {
self.interface_type_defs
.iter()
.find(|itf| &itf.name == itf_name)
.expect("cannot find the corresponding interface")
.fields_def
.clone()
})
.collect();
let mut fields_def = self.fields_definition(
&implements_fields
.iter()
.map(|f| &f.name)
.collect::<Vec<&Name>>(),
)?;
fields_def.extend(implements_fields);
Ok(ObjectTypeDef {
description,
directives: self.directives(DirectiveLocation::Object)?,
implements_interfaces: interface_impls,
name,
fields_def,
extend,
})
}
}
impl StackedEntity for ObjectTypeDef {
fn name(&self) -> &Name {
&self.name
}
fn fields_def(&self) -> &[FieldDef] {
&self.fields_def
}
}