fhir-types 0.1.43

// @generated by fhir-codegen from hl7.fhir.r4b.core 4.3.0. DO NOT EDIT.
// Change the emitter (tools/fhir-codegen) and regenerate.
//! Defines an expected trigger for a module

/// Defines an expected trigger for a module
///
/// A description of a triggering event. Triggering events can be named events,
/// data events, or periodic, as determined by the type element.
#[derive(Debug, Clone, Default, PartialEq, Eq)]
pub struct TriggerDefinition {
    /// 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>,
    /// named-event | periodic | data-changed | data-added | data-modified |
    /// data-removed | data-accessed | data-access-ended
    ///
    /// The type of triggering event.
    pub r#type: super::primitives::Code,
    /// Name or URI that identifies the event
    ///
    /// A formal name for the event. This may be an absolute URI that identifies the
    /// event formally (e.g. from a trigger registry), or a simple relative URI that
    /// identifies the event in a local context.
    pub name: Option<super::primitives::String>,
    /// Timing of the event
    ///
    /// The timing of the event (if this is a periodic trigger).
    pub timing: Option<TriggerDefinitionTiming>,
    /// Triggering data of the event (multiple = 'and')
    ///
    /// The triggering data of the event (if this is a data trigger). If more than
    /// one data is requirement is specified, then all the data requirements must be
    /// true.
    pub data: Vec<super::data_requirement::DataRequirement>,
    /// Whether the event triggers (boolean expression)
    ///
    /// A boolean-valued expression that is evaluated in the context of the
    /// container of the trigger definition and returns whether or not the trigger
    /// fires.
    pub condition: Option<super::expression::Expression>,
}

impl super::super::codec::Json for TriggerDefinition {
    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"),
                serde_json::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(serde_json::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("extension"),
                serde_json::Value::Array(items),
            );
        }
        if let Some(v) = super::super::codec::Primitive::value_json(&self.r#type)? {
            object.insert(std::string::String::from("type"), v);
        }
        if let Some(e) = super::super::codec::Primitive::element_json(&self.r#type)? {
            object.insert(std::string::String::from("_type"), e);
        }
        if let Some(item) = &self.name {
            if let Some(v) = super::super::codec::Primitive::value_json(item)? {
                object.insert(std::string::String::from("name"), v);
            }
            if let Some(e) = super::super::codec::Primitive::element_json(item)? {
                object.insert(std::string::String::from("_name"), e);
            }
        }
        if let Some(item) = &self.timing {
            let (suffix, value, element) = item.to_json_parts()?;
            if let Some(value) = value {
                object.insert(format!("timing{suffix}"), value);
            }
            if let Some(element) = element {
                object.insert(format!("_timing{suffix}"), element);
            }
        }
        if !self.data.is_empty() {
            let mut items = Vec::with_capacity(self.data.len());
            for item in &self.data {
                items.push(serde_json::Value::Object(
                    super::super::codec::Json::to_json(item)?,
                ));
            }
            object.insert(
                std::string::String::from("data"),
                serde_json::Value::Array(items),
            );
        }
        if let Some(item) = &self.condition {
            object.insert(
                std::string::String::from("condition"),
                serde_json::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<&serde_json::Value> = None;
        let mut raw_extension: Option<&serde_json::Value> = None;
        let mut raw_type: Option<&serde_json::Value> = None;
        let mut raw_type_element: Option<&serde_json::Value> = None;
        let mut raw_name: Option<&serde_json::Value> = None;
        let mut raw_name_element: Option<&serde_json::Value> = None;
        let mut raw_timing = super::super::codec::ChoiceSlot::default();
        let mut raw_data: Option<&serde_json::Value> = None;
        let mut raw_condition: Option<&serde_json::Value> = None;
        for (key, value) in object {
            match key.as_str() {
                "id" => raw_id = Some(value),
                "extension" => raw_extension = Some(value),
                "type" => raw_type = Some(value),
                "_type" => raw_type_element = Some(value),
                "name" => raw_name = Some(value),
                "_name" => raw_name_element = Some(value),
                "timingTiming" => {
                    raw_timing.value("Timing", value, path)?;
                }
                "_timingTiming" => {
                    raw_timing.element("Timing", value, path)?;
                }
                "timingReference" => {
                    raw_timing.value("Reference", value, path)?;
                }
                "_timingReference" => {
                    raw_timing.element("Reference", value, path)?;
                }
                "timingDate" => {
                    raw_timing.value("Date", value, path)?;
                }
                "_timingDate" => {
                    raw_timing.element("Date", value, path)?;
                }
                "timingDateTime" => {
                    raw_timing.value("DateTime", value, path)?;
                }
                "_timingDateTime" => {
                    raw_timing.element("DateTime", value, path)?;
                }
                "data" => raw_data = Some(value),
                "condition" => raw_condition = 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_type = path.with("type", |path| {
            super::super::codec::Primitive::from_json_parts(raw_type, raw_type_element, path)
        })?;
        let field_name = match (raw_name, raw_name_element) {
            (None, None) => None,
            (value, element) => Some(path.with("name", |path| {
                super::super::codec::Primitive::from_json_parts(value, element, path)
            })?),
        };
        let field_timing = match raw_timing.suffix {
            None => None,
            Some(suffix) => Some(path.with("timing", |path| {
                TriggerDefinitionTiming::from_json_parts(
                    suffix,
                    raw_timing.value,
                    raw_timing.element,
                    path,
                )
            })?),
        };
        let mut field_data = Vec::new();
        if let Some(raw) = raw_data {
            for (index, value) in super::super::codec::expect_array(raw, path)?
                .iter()
                .enumerate()
            {
                field_data.push(path.with_index("data", index, |path| {
                    super::super::codec::Json::from_json(
                        super::super::codec::expect_object(value, path)?,
                        path,
                    )
                })?);
            }
        }
        let field_condition = raw_condition
            .map(|value| {
                path.with("condition", |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,
            r#type: field_type,
            name: field_name,
            timing: field_timing,
            data: field_data,
            condition: field_condition,
        })
    }
}

impl serde::Serialize for TriggerDefinition {
    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        super::super::codec::Json::to_json(self)
            .map_err(serde::ser::Error::custom)?
            .serialize(serializer)
    }
}

impl<'de> serde::Deserialize<'de> for TriggerDefinition {
    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        let value = serde_json::Value::deserialize(deserializer)?;
        let mut path = super::super::codec::Path::root("TriggerDefinition");
        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 \`timing\[x\]\` choice of \`TriggerDefinition\`.
///
/// The timing of the event (if this is a periodic trigger).
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TriggerDefinitionTiming {
    /// The `Timing` form.
    Timing(super::timing::Timing),
    /// The `Reference` form.
    Reference(super::reference::Reference),
    /// The `date` form.
    Date(super::primitives::Date),
    /// The `dateTime` form.
    DateTime(super::primitives::DateTime),
}

impl TriggerDefinitionTiming {
    /// 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<serde_json::Value>,
            Option<serde_json::Value>,
        ),
        super::super::codec::EncodeError,
    > {
        match self {
            Self::Timing(inner) => Ok((
                "Timing",
                Some(serde_json::Value::Object(
                    super::super::codec::Json::to_json(inner)?,
                )),
                None,
            )),
            Self::Reference(inner) => Ok((
                "Reference",
                Some(serde_json::Value::Object(
                    super::super::codec::Json::to_json(inner)?,
                )),
                None,
            )),
            Self::Date(inner) => Ok((
                "Date",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
            Self::DateTime(inner) => Ok((
                "DateTime",
                super::super::codec::Primitive::value_json(inner)?,
                super::super::codec::Primitive::element_json(inner)?,
            )),
        }
    }

    /// 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<&serde_json::Value>,
        element: Option<&serde_json::Value>,
        path: &mut super::super::codec::Path,
    ) -> Result<Self, super::super::codec::DecodeError> {
        match suffix {
            "Timing" => {
                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::Timing(inner))
            }
            "Reference" => {
                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::Reference(inner))
            }
            "Date" => Ok(Self::Date(super::super::codec::Primitive::from_json_parts(
                value, element, path,
            )?)),
            "DateTime" => Ok(Self::DateTime(
                super::super::codec::Primitive::from_json_parts(value, element, path)?,
            )),
            _ => Err(path.error(super::super::codec::DecodeErrorKind::UnknownProperty)),
        }
    }
}