fhir-types 0.1.102

// @generated by fhir-codegen from hl7.fhir.r4b.core 4.3.0. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Ruben Talstra
// SPDX-License-Identifier: Apache-2.0
//! Reference to a resource or a concept

/// Reference to a resource or a concept
///
/// A reference to a resource (by instance), or instead, a reference to a
/// concept defined in a terminology or ontology (by class).
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct CodeableReference {
    /// Unique id for inter-element referencing
    ///
    /// Unique id for the element within a resource (for internal references). This
    /// may be any string value that does not contain spaces.
    pub id: Option<std::string::String>,
    /// Additional content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element. To make the use of extensions safe and
    /// manageable, there is a strict set of governance applied to the definition
    /// and use of extensions. Though any implementer can define an extension, there
    /// is a set of requirements that SHALL be met as part of the definition of the
    /// extension.
    pub extension: Vec<super::extension::Extension>,
    /// Reference to a concept (by class)
    ///
    /// A reference to a concept - e.g. the information is identified by its general
    /// class to the degree of precision found in the terminology.
    pub concept: Option<super::codeable_concept::CodeableConcept>,
    /// Reference to a resource (by instance)
    ///
    /// A reference to a resource the provides exact details about the information
    /// being referenced.
    pub reference: Option<super::reference::Reference>,
}

impl super::super::codec::Json for CodeableReference {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        if !self.extension.is_empty() {
            let mut items = Vec::with_capacity(self.extension.len());
            for item in &self.extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.concept {
            object.insert(
                std::string::String::from("concept"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.reference {
            object.insert(
                std::string::String::from("reference"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        Ok(object)
    }

    fn from_json(
        object: &super::super::codec::Object,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        let mut raw_id: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_concept: Option<&super::super::codec::Value> = None;
        let mut raw_reference: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "id" => {
                    raw_id = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "concept" => {
                    raw_concept = Some(value);
                }
                "reference" => {
                    raw_reference = Some(value);
                }
                other => {
                    return path.with(other, |path| {
                        Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty))
                    });
                }
            }
        }
        let field_id = raw_id
            .map(|value| {
                path.with("id", |path| {
                    let value = super::super::codec::expect_single(value, path)?;
                    super::super::codec::expect_string(value, path)
                })
            })
            .transpose()?;
        let mut field_extension = Vec::new();
        if let Some(raw) = raw_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_extension.push(path.with_index("extension", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_concept = raw_concept
            .map(|value| {
                path.with("concept", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_reference = raw_reference
            .map(|value| {
                path.with("reference", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        Ok(Self {
            id: field_id,
            extension: field_extension,
            concept: field_concept,
            reference: field_reference,
        })
    }
}

impl serde::Serialize for CodeableReference {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        let mut map = serde::Serializer::serialize_map(serializer, None)?;
        if let Some(item) = &self.concept {
            serde::ser::SerializeMap::serialize_entry(&mut map, "concept", item)?;
        }
        if !self.extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "extension", &self.extension)?;
        }
        if let Some(v) = &self.id {
            serde::ser::SerializeMap::serialize_entry(&mut map, "id", v)?;
        }
        if let Some(item) = &self.reference {
            serde::ser::SerializeMap::serialize_entry(&mut map, "reference", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for CodeableReference {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = <super::super::codec::Value as serde::Deserialize>::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("CodeableReference");
        let object =
            super::super::codec::expect_object(&value, &path).map_err(serde::de::Error::custom)?;
        super::super::codec::Json::from_json(object, &mut path).map_err(serde::de::Error::custom)
    }
}