fhir-types 0.1.115

// @generated by fhir-codegen from hl7.fhir.r6.core 6.0.0-ballot5. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
// SPDX-FileCopyrightText: Cadasto B.V.
// SPDX-License-Identifier: Apache-2.0
//! Definition of a Medication

/// Definition of a Medication
///
/// This resource is primarily used for the identification and definition of a
/// medication, including ingredients, for the purposes of prescribing,
/// dispensing, and administering a medication as well as for making statements
/// about medication use.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct Medication {
    /// Logical id of this artifact
    ///
    /// The logical id of the resource, as used in the URL for the resource. Once
    /// assigned, this value never changes.
    pub id: Option<std::string::String>,
    /// Metadata about the resource
    ///
    /// The metadata about the resource. This is content that is maintained by the
    /// infrastructure. Changes to the content might not always be associated with
    /// version changes to the resource.
    pub meta: Option<super::meta::Meta>,
    /// A set of rules under which this content was created
    ///
    /// A reference to a set of rules that were followed when the resource was
    /// constructed, and which must be understood when processing the content.
    /// Often, this is a reference to an implementation guide that defines the
    /// special rules along with other profiles etc. For DomainResources, if more
    /// than one implicitRules policy applies, additional policies may be conveyed
    /// using the
    /// \[additionalImplicitRules\](<https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-additionalImplicitRules.html>)
    /// extension.
    pub implicit_rules: Option<super::primitives::Uri>,
    /// Language of the resource content
    ///
    /// The base language in which the resource is written.
    pub language: Option<super::primitives::Code>,
    /// Text summary of the resource, for human interpretation
    ///
    /// A human-readable narrative that contains a summary of the resource and can
    /// be used to represent the content of the resource to a human. The narrative
    /// need not encode all the structured data, but is required to contain
    /// sufficient detail to make it "clinically safe" for a human to just read the
    /// narrative. Resource definitions may define what content should be
    /// represented in the narrative to ensure clinical safety.
    pub text: Option<super::narrative::Narrative>,
    /// Contained, inline Resources
    ///
    /// These resources do not have an independent existence apart from the resource
    /// that contains them - they cannot be identified independently, nor can they
    /// have their own independent transaction scope. This is allowed to be a
    /// Parameters resource if and only if it is referenced by a resource that
    /// provides context/meaning.
    pub contained: Vec<super::resource::Resource>,
    /// Additional content defined by implementations
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource. To make the use of extensions safe and
    /// managable, 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>,
    /// Extensions that cannot be ignored
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the resource and that modifies the understanding of the
    /// element that contains it and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. To make the use of extensions safe and managable, there is a
    /// strict set of governance applied to the definition and use of extensions.
    /// Though any implementer is allowed to define an extension, there is a set of
    /// requirements that SHALL be met as part of the definition of the extension.
    /// Applications processing a resource are required to check for modifier
    /// extensions. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Business identifier for this medication.
    pub identifier: Vec<super::identifier::Identifier>,
    /// Codes that identify this medication
    ///
    /// A code (or set of codes) that specify this medication, or a textual
    /// description. Usage note: This could be a standard medication code such as a
    /// code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local
    /// formulary code, optionally with translations to other code systems. The name
    /// of the medication can be conveyed in the code.text even if it is different
    /// from any of the coding displayName values.
    pub code: Option<super::codeable_concept::CodeableConcept>,
    /// active | inactive | entered-in-error
    ///
    /// A code to indicate if the medication is in active use.
    pub status: Option<super::primitives::Code>,
    /// Organization that has authorization to market medication
    ///
    /// The company or other legal entity that has authorization, from the
    /// appropriate drug regulatory authority, to market a medicine in one or more
    /// jurisdictions. Typically abbreviated MAH.Note: The MAH may manufacture the
    /// product and may also contract the manufacturing of the product to one or
    /// more companies (organizations).
    pub marketing_authorization_holder: Option<super::reference::Reference>,
    /// powder | tablets | capsule +
    ///
    /// Describes the form of the item. Powder; tablets; capsule.
    pub dose_form: Option<super::codeable_concept::CodeableConcept>,
    /// When the code does not specify the package size, this backbone element can
    /// be used to specify the overall amount of medication in the package.
    pub package_size: Option<MedicationPackageSize>,
    /// Components of a medication. These can be ingredient substances or other
    /// medications, in the case of combination packaged medications
    ///
    /// Identifies a particular constituent of interest in the product.
    pub ingredient: Vec<MedicationIngredient>,
    /// Details about packaged medications
    ///
    /// Information that only applies to packages (not products).
    pub instance: Option<MedicationInstance>,
    /// Formal definition of the medication
    ///
    /// A reference to a definitional resource that provides more information about
    /// this medication.
    pub definition: Option<super::reference::Reference>,
}

impl super::super::codec::Json for Medication {
    fn to_json(&self) -> Result<super::super::codec::Object, super::super::codec::EncodeError> {
        let mut object = super::super::codec::Object::new();
        object.insert(
            std::string::String::from("resourceType"),
            super::super::codec::Value::String(std::string::String::from("Medication")),
        );
        if let Some(v) = &self.id {
            object.insert(
                std::string::String::from("id"),
                super::super::codec::Value::String(v.clone()),
            );
        }
        if let Some(item) = &self.meta {
            object.insert(
                std::string::String::from("meta"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.implicit_rules {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("implicitRules"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_implicitRules"), e);
            }
        }
        if let Some(item) = &self.language {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("language"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_language"), e);
            }
        }
        if let Some(item) = &self.text {
            object.insert(
                std::string::String::from("text"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.contained.is_empty() {
            let mut items = Vec::with_capacity(self.contained.len());
            for item in &self.contained {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("contained"),
                super::super::codec::Value::Array(items),
            );
        }
        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 !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.identifier.is_empty() {
            let mut items = Vec::with_capacity(self.identifier.len());
            for item in &self.identifier {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("identifier"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.code {
            object.insert(
                std::string::String::from("code"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.status {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("status"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_status"), e);
            }
        }
        if let Some(item) = &self.marketing_authorization_holder {
            object.insert(
                std::string::String::from("marketingAuthorizationHolder"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.dose_form {
            object.insert(
                std::string::String::from("doseForm"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.package_size {
            object.insert(
                std::string::String::from("packageSize"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if !self.ingredient.is_empty() {
            let mut items = Vec::with_capacity(self.ingredient.len());
            for item in &self.ingredient {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("ingredient"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.instance {
            object.insert(
                std::string::String::from("instance"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.definition {
            object.insert(
                std::string::String::from("definition"),
                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_meta: Option<&super::super::codec::Value> = None;
        let mut raw_implicit_rules: Option<&super::super::codec::Value> = None;
        let mut raw_implicit_rules_element: Option<&super::super::codec::Value> = None;
        let mut raw_language: Option<&super::super::codec::Value> = None;
        let mut raw_language_element: Option<&super::super::codec::Value> = None;
        let mut raw_text: Option<&super::super::codec::Value> = None;
        let mut raw_contained: Option<&super::super::codec::Value> = None;
        let mut raw_extension: Option<&super::super::codec::Value> = None;
        let mut raw_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_identifier: Option<&super::super::codec::Value> = None;
        let mut raw_code: Option<&super::super::codec::Value> = None;
        let mut raw_status: Option<&super::super::codec::Value> = None;
        let mut raw_status_element: Option<&super::super::codec::Value> = None;
        let mut raw_marketing_authorization_holder: Option<&super::super::codec::Value> = None;
        let mut raw_dose_form: Option<&super::super::codec::Value> = None;
        let mut raw_package_size: Option<&super::super::codec::Value> = None;
        let mut raw_ingredient: Option<&super::super::codec::Value> = None;
        let mut raw_instance: Option<&super::super::codec::Value> = None;
        let mut raw_definition: Option<&super::super::codec::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "resourceType" => {
                    if value.as_str() != Some("Medication") {
                        return Err(path.error(super::super::codec::DecodeErrorKind::ResourceType));
                    }
                }
                "id" => {
                    raw_id = Some(value);
                }
                "meta" => {
                    raw_meta = Some(value);
                }
                "implicitRules" => {
                    raw_implicit_rules = Some(value);
                }
                "_implicitRules" => {
                    raw_implicit_rules_element = Some(value);
                }
                "language" => {
                    raw_language = Some(value);
                }
                "_language" => {
                    raw_language_element = Some(value);
                }
                "text" => {
                    raw_text = Some(value);
                }
                "contained" => {
                    raw_contained = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "identifier" => {
                    raw_identifier = Some(value);
                }
                "code" => {
                    raw_code = Some(value);
                }
                "status" => {
                    raw_status = Some(value);
                }
                "_status" => {
                    raw_status_element = Some(value);
                }
                "marketingAuthorizationHolder" => {
                    raw_marketing_authorization_holder = Some(value);
                }
                "doseForm" => {
                    raw_dose_form = Some(value);
                }
                "packageSize" => {
                    raw_package_size = Some(value);
                }
                "ingredient" => {
                    raw_ingredient = Some(value);
                }
                "instance" => {
                    raw_instance = Some(value);
                }
                "definition" => {
                    raw_definition = 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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_meta = raw_meta
            .map(|value| {
                path.with("meta", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_implicit_rules = match (raw_implicit_rules, raw_implicit_rules_element) {
            (None, None) => None,
            (value, element) => Some(path.with("implicitRules", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_language = match (raw_language, raw_language_element) {
            (None, None) => None,
            (value, element) => Some(path.with("language", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_text = raw_text
            .map(|value| {
                path.with("text", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_contained = Vec::new();
        if let Some(raw) = raw_contained {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_contained.push(path.with_index("contained", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        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 mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let mut field_identifier = Vec::new();
        if let Some(raw) = raw_identifier {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_identifier.push(path.with_index("identifier", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_code = raw_code
            .map(|value| {
                path.with("code", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_status = match (raw_status, raw_status_element) {
            (None, None) => None,
            (value, element) => Some(path.with("status", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_marketing_authorization_holder = raw_marketing_authorization_holder
            .map(|value| {
                path.with("marketingAuthorizationHolder", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_dose_form = raw_dose_form
            .map(|value| {
                path.with("doseForm", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_package_size = raw_package_size
            .map(|value| {
                path.with("packageSize", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let mut field_ingredient = Vec::new();
        if let Some(raw) = raw_ingredient {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_ingredient.push(path.with_index("ingredient", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_instance = raw_instance
            .map(|value| {
                path.with("instance", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_definition = raw_definition
            .map(|value| {
                path.with("definition", |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,
            meta: field_meta,
            implicit_rules: field_implicit_rules,
            language: field_language,
            text: field_text,
            contained: field_contained,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            identifier: field_identifier,
            code: field_code,
            status: field_status,
            marketing_authorization_holder: field_marketing_authorization_holder,
            dose_form: field_dose_form,
            package_size: field_package_size,
            ingredient: field_ingredient,
            instance: field_instance,
            definition: field_definition,
        })
    }
}

impl serde::Serialize for Medication {
    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.implicit_rules {
            super::super::codec::element_entry(&mut map, "_implicitRules", item)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::element_entry(&mut map, "_language", item)?;
        }
        if let Some(item) = &self.status {
            super::super::codec::element_entry(&mut map, "_status", item)?;
        }
        if let Some(item) = &self.code {
            serde::ser::SerializeMap::serialize_entry(&mut map, "code", item)?;
        }
        if !self.contained.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "contained", &self.contained)?;
        }
        if let Some(item) = &self.definition {
            serde::ser::SerializeMap::serialize_entry(&mut map, "definition", item)?;
        }
        if let Some(item) = &self.dose_form {
            serde::ser::SerializeMap::serialize_entry(&mut map, "doseForm", 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 !self.identifier.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "identifier", &self.identifier)?;
        }
        if let Some(item) = &self.implicit_rules {
            super::super::codec::value_entry(&mut map, "implicitRules", item)?;
        }
        if !self.ingredient.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "ingredient", &self.ingredient)?;
        }
        if let Some(item) = &self.instance {
            serde::ser::SerializeMap::serialize_entry(&mut map, "instance", item)?;
        }
        if let Some(item) = &self.language {
            super::super::codec::value_entry(&mut map, "language", item)?;
        }
        if let Some(item) = &self.marketing_authorization_holder {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "marketingAuthorizationHolder",
                item,
            )?;
        }
        if let Some(item) = &self.meta {
            serde::ser::SerializeMap::serialize_entry(&mut map, "meta", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.package_size {
            serde::ser::SerializeMap::serialize_entry(&mut map, "packageSize", item)?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "resourceType", "Medication")?;
        if let Some(item) = &self.status {
            super::super::codec::value_entry(&mut map, "status", item)?;
        }
        if let Some(item) = &self.text {
            serde::ser::SerializeMap::serialize_entry(&mut map, "text", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for Medication {
    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("Medication");
        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)
    }
}

/// Components of a medication. These can be ingredient substances or other
/// medications, in the case of combination packaged medications
///
/// Identifies a particular constituent of interest in the product.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct MedicationIngredient {
    /// 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
    /// managable, 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>,
    /// Extensions that cannot be ignored even if unrecognized
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element and that modifies the understanding of the
    /// element in which it is contained and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. To make the use of extensions safe and managable, 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.
    /// Applications processing a resource are required to check for modifier
    /// extensions. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// The specific substance or medication that is the ingredient
    ///
    /// The ingredient (substance or medication) that the ingredient.strength
    /// relates to. This is represented as a concept from a code system or described
    /// in another resource (Substance or Medication).
    pub item: super::codeable_reference::CodeableReference,
    /// Active ingredient indicator
    ///
    /// Indication of whether this ingredient affects the therapeutic action of the
    /// drug.
    pub is_active: Option<super::primitives::Boolean>,
    /// A code that defines the type of ingredient, active, base, etc.
    ///
    /// Indication of whether this ingredient affects the therapeutic action of the
    /// drug.
    pub role: Option<super::codeable_concept::CodeableConcept>,
    /// Quantity of ingredient present
    ///
    /// Specifies how many (or how much) of the items there are in this Medication.
    /// For example, 250 mg per tablet. This is expressed as a ratio where the
    /// numerator is 250mg and the denominator is 1 tablet but can also be expressed
    /// a quantity when the denominator is assumed to be 1 tablet.
    pub strength: Option<MedicationIngredientStrength>,
}

impl super::super::codec::Json for MedicationIngredient {
    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 !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        object.insert(
            std::string::String::from("item"),
            super::super::codec::Value::Object(super::super::codec::Json::to_json(&self.item)?),
        );
        if let Some(item) = &self.is_active {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("isActive"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_isActive"), e);
            }
        }
        if let Some(item) = &self.role {
            object.insert(
                std::string::String::from("role"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.strength {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("strength{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_strength{suffix}"), element);
            }
        }
        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_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_item: Option<&super::super::codec::Value> = None;
        let mut raw_is_active: Option<&super::super::codec::Value> = None;
        let mut raw_is_active_element: Option<&super::super::codec::Value> = None;
        let mut raw_role: Option<&super::super::codec::Value> = None;
        let mut raw_strength = super::super::codec::ChoiceSlot::default();
        for (key, value) in object {
            match key.as_str() {
                "id" => {
                    raw_id = Some(value);
                }
                "extension" => {
                    raw_extension = Some(value);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "item" => {
                    raw_item = Some(value);
                }
                "isActive" => {
                    raw_is_active = Some(value);
                }
                "_isActive" => {
                    raw_is_active_element = Some(value);
                }
                "role" => {
                    raw_role = Some(value);
                }
                "strengthRatio" => {
                    raw_strength.value("Ratio", value, path)?;
                }
                "_strengthRatio" => {
                    raw_strength.element("Ratio", value, path)?;
                }
                "strengthCodeableConcept" => {
                    raw_strength.value("CodeableConcept", value, path)?;
                }
                "_strengthCodeableConcept" => {
                    raw_strength.element("CodeableConcept", value, path)?;
                }
                "strengthQuantity" => {
                    raw_strength.value("Quantity", value, path)?;
                }
                "_strengthQuantity" => {
                    raw_strength.element("Quantity", value, path)?;
                }
                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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        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 mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_item = path.with("item", |path| {
            let value = raw_item
                .ok_or_else(|| path.error(super::super::codec::DecodeErrorKind::MissingProperty))?;
            super::super::codec::Json::from_json(
                super::super::codec::expect_object(
                    super::super::codec::expect_single(value, path)?,
                    path,
                )?,
                path,
            )
        })?;
        let field_is_active = match (raw_is_active, raw_is_active_element) {
            (None, None) => None,
            (value, element) => Some(path.with("isActive", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_role = raw_role
            .map(|value| {
                path.with("role", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_strength = match raw_strength.suffix {
            None => None,
            Some(suffix) => Some(path.with("strength", |path| {
                MedicationIngredientStrength::from_json_parts(
                    suffix,
                    raw_strength.value,
                    raw_strength.element,
                    path,
                )
            })?),
        };
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            item: field_item,
            is_active: field_is_active,
            role: field_role,
            strength: field_strength,
        })
    }
}

impl serde::Serialize for MedicationIngredient {
    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.is_active {
            super::super::codec::element_entry(&mut map, "_isActive", 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.is_active {
            super::super::codec::value_entry(&mut map, "isActive", item)?;
        }
        serde::ser::SerializeMap::serialize_entry(&mut map, "item", &self.item)?;
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.role {
            serde::ser::SerializeMap::serialize_entry(&mut map, "role", item)?;
        }
        match &self.strength {
            Some(MedicationIngredientStrength::CodeableConcept(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "strengthCodeableConcept",
                    inner.as_ref(),
                )?;
            }
            Some(MedicationIngredientStrength::Quantity(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "strengthQuantity",
                    inner.as_ref(),
                )?;
            }
            Some(MedicationIngredientStrength::Ratio(inner)) => {
                serde::ser::SerializeMap::serialize_entry(
                    &mut map,
                    "strengthRatio",
                    inner.as_ref(),
                )?;
            }
            None => {}
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for MedicationIngredient {
    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("MedicationIngredient");
        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)
    }
}

/// The \`strength\[x\]\` choice of \`MedicationIngredient\`.
///
/// Specifies how many (or how much) of the items there are in this Medication.
/// For example, 250 mg per tablet. This is expressed as a ratio where the
/// numerator is 250mg and the denominator is 1 tablet but can also be expressed
/// a quantity when the denominator is assumed to be 1 tablet.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum MedicationIngredientStrength {
    /// The `Ratio` form.
    Ratio(Box<super::ratio::Ratio>),
    /// The `CodeableConcept` form.
    CodeableConcept(Box<super::codeable_concept::CodeableConcept>),
    /// The `Quantity` form.
    Quantity(Box<super::quantity::Quantity>),
}

impl MedicationIngredientStrength {
    /// The key suffix, the value part, and the `_name` part of this form.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::EncodeError`] when a held value has no JSON form.
    pub fn to_json_parts(
        &self,
    ) -> Result<
        (
            &'static str,
            Option<super::super::codec::Value>,
            Option<super::super::codec::Value>,
        ),
        super::super::codec::EncodeError,
    > {
        match self {
            Self::Ratio(inner) => Ok((
                "Ratio",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::CodeableConcept(inner) => Ok((
                "CodeableConcept",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
            Self::Quantity(inner) => Ok((
                "Quantity",
                Some(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(inner.as_ref())?,
                )),
                None,
            )),
        }
    }

    /// Decodes the form named by `suffix` from its value and `_name` parts.
    ///
    /// # Errors
    ///
    /// Returns [`super::super::codec::DecodeError`] for an unknown suffix or a malformed part.
    pub fn from_json_parts(
        suffix: &str,
        value: Option<&super::super::codec::Value>,
        element: Option<&super::super::codec::Value>,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        match suffix {
            "Ratio" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Ratio(Box::new(inner)))
            }
            "CodeableConcept" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::CodeableConcept(Box::new(inner)))
            }
            "Quantity" => {
                if element.is_some() {
                    return Err(path.error(super::super::codec::DecodeErrorKind::WrongType {
                        expected: "no underscore form for a complex type",
                    }));
                }
                let value = value.ok_or_else(|| {
                    path.error(super::super::codec::DecodeErrorKind::MissingProperty)
                })?;
                let inner = super::super::codec::Json::from_json(
                    super::super::codec::expect_object(
                        super::super::codec::expect_single(value, path)?,
                        path,
                    )?,
                    path,
                )?;
                Ok(Self::Quantity(Box::new(inner)))
            }
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}

/// Details about packaged medications
///
/// Information that only applies to packages (not products).
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct MedicationInstance {
    /// 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
    /// managable, 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>,
    /// Extensions that cannot be ignored even if unrecognized
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element and that modifies the understanding of the
    /// element in which it is contained and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. To make the use of extensions safe and managable, 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.
    /// Applications processing a resource are required to check for modifier
    /// extensions. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// Identifier for the physical instance, typically a serial number.
    pub identifier: Vec<super::identifier::Identifier>,
    /// Identifier assigned to batch
    ///
    /// The assigned lot number of a batch of the specified product.
    pub lot_number: Option<super::primitives::String>,
    /// When instance will expire
    ///
    /// When this specific instance of product will expire.
    pub expiration_date: Option<super::primitives::DateTime>,
}

impl super::super::codec::Json for MedicationInstance {
    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 !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if !self.identifier.is_empty() {
            let mut items = Vec::with_capacity(self.identifier.len());
            for item in &self.identifier {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("identifier"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.lot_number {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("lotNumber"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_lotNumber"), e);
            }
        }
        if let Some(item) = &self.expiration_date {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("expirationDate"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_expirationDate"), e);
            }
        }
        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_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_identifier: Option<&super::super::codec::Value> = None;
        let mut raw_lot_number: Option<&super::super::codec::Value> = None;
        let mut raw_lot_number_element: Option<&super::super::codec::Value> = None;
        let mut raw_expiration_date: Option<&super::super::codec::Value> = None;
        let mut raw_expiration_date_element: 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);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "identifier" => {
                    raw_identifier = Some(value);
                }
                "lotNumber" => {
                    raw_lot_number = Some(value);
                }
                "_lotNumber" => {
                    raw_lot_number_element = Some(value);
                }
                "expirationDate" => {
                    raw_expiration_date = Some(value);
                }
                "_expirationDate" => {
                    raw_expiration_date_element = 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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        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 mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let mut field_identifier = Vec::new();
        if let Some(raw) = raw_identifier {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_identifier.push(path.with_index("identifier", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_lot_number = match (raw_lot_number, raw_lot_number_element) {
            (None, None) => None,
            (value, element) => Some(path.with("lotNumber", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_expiration_date = match (raw_expiration_date, raw_expiration_date_element) {
            (None, None) => None,
            (value, element) => Some(path.with("expirationDate", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        Ok(Self {
            id: field_id,
            extension: field_extension,
            modifier_extension: field_modifier_extension,
            identifier: field_identifier,
            lot_number: field_lot_number,
            expiration_date: field_expiration_date,
        })
    }
}

impl serde::Serialize for MedicationInstance {
    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.expiration_date {
            super::super::codec::element_entry(&mut map, "_expirationDate", item)?;
        }
        if let Some(item) = &self.lot_number {
            super::super::codec::element_entry(&mut map, "_lotNumber", item)?;
        }
        if let Some(item) = &self.expiration_date {
            super::super::codec::value_entry(&mut map, "expirationDate", 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 !self.identifier.is_empty() {
            serde::ser::SerializeMap::serialize_entry(&mut map, "identifier", &self.identifier)?;
        }
        if let Some(item) = &self.lot_number {
            super::super::codec::value_entry(&mut map, "lotNumber", item)?;
        }
        if !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for MedicationInstance {
    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("MedicationInstance");
        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)
    }
}

/// When the code does not specify the package size, this backbone element can
/// be used to specify the overall amount of medication in the package.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct MedicationPackageSize {
    /// 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
    /// managable, 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>,
    /// Extensions that cannot be ignored even if unrecognized
    ///
    /// May be used to represent additional information that is not part of the
    /// basic definition of the element and that modifies the understanding of the
    /// element in which it is contained and/or the understanding of the containing
    /// element's descendants. Usually modifier elements provide negation or
    /// qualification. To make the use of extensions safe and managable, 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.
    /// Applications processing a resource are required to check for modifier
    /// extensions. Modifier extensions SHALL NOT change the meaning of any elements
    /// on Resource or DomainResource (including cannot change the meaning of
    /// modifierExtension itself).
    pub modifier_extension: Vec<super::extension::Extension>,
    /// The number of items in the package that are represented by the code
    ///
    /// The number of items in the package that are represented by the code, e.g. 5
    /// vials or 100 tablets.
    pub number_of_items: Option<super::quantity::Quantity>,
    /// The amount per each item
    ///
    /// The amount per each item, e.g. 10 ml / vial.
    pub amount_per_item: Option<super::ratio::Ratio>,
}

impl super::super::codec::Json for MedicationPackageSize {
    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 !self.modifier_extension.is_empty() {
            let mut items = Vec::with_capacity(self.modifier_extension.len());
            for item in &self.modifier_extension {
                items.push(super::super::codec::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("modifierExtension"),
                super::super::codec::Value::Array(items),
            );
        }
        if let Some(item) = &self.number_of_items {
            object.insert(
                std::string::String::from("numberOfItems"),
                super::super::codec::Value::Object(super::super::codec::Json::to_json(item)?),
            );
        }
        if let Some(item) = &self.amount_per_item {
            object.insert(
                std::string::String::from("amountPerItem"),
                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_modifier_extension: Option<&super::super::codec::Value> = None;
        let mut raw_number_of_items: Option<&super::super::codec::Value> = None;
        let mut raw_amount_per_item: 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);
                }
                "modifierExtension" => {
                    raw_modifier_extension = Some(value);
                }
                "numberOfItems" => {
                    raw_number_of_items = Some(value);
                }
                "amountPerItem" => {
                    raw_amount_per_item = 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::primitives::checked_string(
                        super::super::codec::expect_string(value, path)?,
                        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 mut field_modifier_extension = Vec::new();
        if let Some(raw) = raw_modifier_extension {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_modifier_extension.push(path.with_index(
                    "modifierExtension",
                    index,
                    |path| {
                        super::super::codec::Json::from_json(
                            super::super::codec::expect_object(value, path)?,
                            path,
                        )
                    },
                )?);
            }
        }
        let field_number_of_items = raw_number_of_items
            .map(|value| {
                path.with("numberOfItems", |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(
                            super::super::codec::expect_single(value, path)?,
                            path,
                        )?,
                        path,
                    )
                })
            })
            .transpose()?;
        let field_amount_per_item = raw_amount_per_item
            .map(|value| {
                path.with("amountPerItem", |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,
            modifier_extension: field_modifier_extension,
            number_of_items: field_number_of_items,
            amount_per_item: field_amount_per_item,
        })
    }
}

impl serde::Serialize for MedicationPackageSize {
    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.amount_per_item {
            serde::ser::SerializeMap::serialize_entry(&mut map, "amountPerItem", 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 !self.modifier_extension.is_empty() {
            serde::ser::SerializeMap::serialize_entry(
                &mut map,
                "modifierExtension",
                &self.modifier_extension,
            )?;
        }
        if let Some(item) = &self.number_of_items {
            serde::ser::SerializeMap::serialize_entry(&mut map, "numberOfItems", item)?;
        }
        serde::ser::SerializeMap::end(map)
    }
}

impl<'de> serde::Deserialize<'de> for MedicationPackageSize {
    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("MedicationPackageSize");
        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)
    }
}