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// SPDX-FileCopyrightText: Cadasto B.V.
// SPDX-License-Identifier: BUSL-1.1
//! The request writers of each release: `r4_contracts` for R4 and R4B, which
//! declare the same parameters, and `stu3_contracts` for STU3.
/// The request writers of R4 and R4B, which declare the same parameters.
macro_rules! r4_contracts {
() => {
/// Returns the parameter of `request` this release cannot carry.
///
/// R4 and R4B declare every parameter a [`Request`] carries.
const fn unsupported(_request: &Request) -> Option<&'static str> {
None
}
/// Returns whether `request` carries a code this release requires a
/// system for and names none.
///
/// R4 and R4B take a system or a context, which [`Coded`] carries by
/// construction.
const fn system_required(_request: &Request) -> bool {
false
}
/// Returns the `Parameters` that carries `request`.
fn parameters(request: &Request) -> Result<Parameters, RequestError> {
Ok(match request {
Request::Lookup {
system,
code,
version,
date,
} => CodeSystemLookupRequest {
system: Some(system.as_str().into()),
code: Some(code.as_str().into()),
version: version.as_deref().map(Into::into),
date: date.as_deref().map(Into::into),
..Default::default()
}
.into_parameters(),
Request::Translate(translation) => ConceptMapTranslateRequest {
url: translation.concept_map_url.as_deref().map(Into::into),
system: Some(translation.system.as_str().into()),
code: Some(translation.code.as_str().into()),
version: translation.version.as_deref().map(Into::into),
targetsystem: translation.target_system.as_deref().map(Into::into),
reverse: translation.reverse.map(Into::into),
..Default::default()
}
.into_parameters(),
Request::ValidateCode(validation) => validate_code_parameters(validation),
Request::Expand(expansion) => expand_parameters(expansion)?,
Request::Subsumes(subsumption) => subsumes_parameters(subsumption),
})
}
/// Returns the `Parameters` of one `ValueSet/$validate-code`.
fn validate_code_parameters(validation: &Validation) -> Parameters {
let mut request = ValueSetValidateCodeRequest {
url: Some(validation.value_set_url.as_str().into()),
value_set_version: validation.value_set_version.as_deref().map(Into::into),
date: validation.date.as_deref().map(Into::into),
..Default::default()
};
match &validation.coded {
Coded::Code {
system,
code,
version,
display,
} => {
request.system = Some(system.as_str().into());
request.code = Some(code.as_str().into());
request.system_version = version.as_deref().map(Into::into);
request.display = display.as_deref().map(Into::into);
}
Coded::InContext {
context,
code,
display,
} => {
request.context = Some(context.as_str().into());
request.code = Some(code.as_str().into());
request.display = display.as_deref().map(Into::into);
}
Coded::Coding(concept) => request.coding = Some(coding(concept)),
Coded::CodeableConcept {
coding: codings,
text,
} => {
request.codeable_concept = Some(codeable_concept(codings, text.as_deref()));
}
}
request.into_parameters()
}
/// Returns the `Parameters` of one `ValueSet/$expand`.
fn expand_parameters(expansion: &Expansion) -> Result<Parameters, RequestError> {
Ok(ValueSetExpandRequest {
url: Some(expansion.value_set_url.as_str().into()),
value_set_version: expansion.value_set_version.as_deref().map(Into::into),
date: expansion.date.as_deref().map(Into::into),
filter: expansion.filter.as_deref().map(Into::into),
offset: super::integer(expansion.offset, "offset")?.map(Into::into),
count: super::integer(expansion.count, "count")?.map(Into::into),
include_designations: expansion.include_designations.map(Into::into),
..Default::default()
}
.into_parameters())
}
/// Returns one `property.value`, which these releases type as any
/// FHIR type (`OperationDefinition-CodeSystem-lookup`, R4).
fn lookup_property_value(
value: ParametersParameterValue,
) -> Result<PropertyValue, BodyError> {
property_value(value)
}
/// Returns the `issues` outcome of a false `$validate-code` answer.
fn invalid_issues(
answer: &ValueSetValidateCodeResponse,
) -> Result<Option<Outcome>, BodyError> {
answer
.issues
.as_ref()
.map(serde_json::to_string)
.transpose()?
.map(|text| outcome(&text))
.transpose()
}
};
}
/// The request writers of STU3, after `OperationDefinition-CodeSystem-lookup`,
/// `-ConceptMap-translate`, `-ValueSet-validate-code` and `-ValueSet-expand`
/// of `hl7.fhir.r3.core` 3.0.2.
macro_rules! stu3_contracts {
() => {
/// Returns the parameter of `request` STU3 declares no equivalent for.
///
/// STU3 `$translate` has no `url` and names no concept map
/// (<https://hl7.org/fhir/STU3/conceptmap-operations.html#translate>),
/// and STU3 `$validate-code` has no `valueSetVersion`
/// (<https://hl7.org/fhir/STU3/valueset-operations.html#validate-code>):
/// its `version` is the code system's. STU3 `$expand` has no
/// `valueSetVersion` either
/// (<https://hl7.org/fhir/STU3/valueset-operations.html#expand>).
const fn unsupported(request: &Request) -> Option<&'static str> {
match request {
Request::Translate(crate::outcome::Translation {
concept_map_url: Some(_),
..
}) => Some("url"),
Request::ValidateCode(Validation {
value_set_version: Some(_),
..
}) => Some("valueSetVersion"),
Request::Expand(Expansion {
value_set_version: Some(_),
..
}) => Some("valueSetVersion"),
_ => None,
}
}
/// Returns whether `request` carries a code with no system.
///
/// STU3 `$validate-code` reads "If a code is provided, a system must
/// be provided" (`OperationDefinition-ValueSet-validate-code`, `code`,
/// 3.0.2), with no context alternative.
const fn system_required(request: &Request) -> bool {
matches!(
request,
Request::ValidateCode(Validation {
coded: Coded::InContext { .. },
..
})
)
}
/// Returns the `Parameters` that carries `request`, which
/// `unsupported` and `system_required` have passed.
fn parameters(request: &Request) -> Result<Parameters, RequestError> {
Ok(match request {
Request::Lookup {
system,
code,
version,
date,
} => CodeSystemLookupRequest {
system: Some(system.as_str().into()),
code: Some(code.as_str().into()),
version: version.as_deref().map(Into::into),
date: date.as_deref().map(Into::into),
..Default::default()
}
.into_parameters(),
Request::Translate(translation) => ConceptMapTranslateRequest {
system: Some(translation.system.as_str().into()),
code: Some(translation.code.as_str().into()),
version: translation.version.as_deref().map(Into::into),
targetsystem: translation.target_system.as_deref().map(Into::into),
reverse: translation.reverse.map(Into::into),
..Default::default()
}
.into_parameters(),
Request::ValidateCode(validation) => validate_code_parameters(validation),
Request::Expand(expansion) => expand_parameters(expansion)?,
Request::Subsumes(subsumption) => subsumes_parameters(subsumption),
})
}
/// Returns the `Parameters` of one STU3 `ValueSet/$validate-code`.
fn validate_code_parameters(validation: &Validation) -> Parameters {
let mut request = ValueSetValidateCodeRequest {
url: Some(validation.value_set_url.as_str().into()),
date: validation.date.as_deref().map(Into::into),
..Default::default()
};
match &validation.coded {
Coded::Code {
system,
code,
version,
display,
} => {
request.system = Some(system.as_str().into());
request.code = Some(code.as_str().into());
// NOTE: STU3 `version` is "the version of the system", R4's `systemVersion`
// (`OperationDefinition-ValueSet-validate-code`, 3.0.2 and 4.0.1).
request.version = version.as_deref().map(Into::into);
request.display = display.as_deref().map(Into::into);
}
Coded::InContext {
context,
code,
display,
} => {
request.context = Some(context.as_str().into());
request.code = Some(code.as_str().into());
request.display = display.as_deref().map(Into::into);
}
Coded::Coding(concept) => request.coding = Some(coding(concept)),
Coded::CodeableConcept {
coding: codings,
text,
} => {
request.codeable_concept = Some(codeable_concept(codings, text.as_deref()));
}
}
request.into_parameters()
}
/// Returns the `Parameters` of one STU3 `ValueSet/$expand`, which
/// `unsupported` has passed.
fn expand_parameters(expansion: &Expansion) -> Result<Parameters, RequestError> {
Ok(ValueSetExpandRequest {
url: Some(expansion.value_set_url.as_str().into()),
date: expansion.date.as_deref().map(Into::into),
filter: expansion.filter.as_deref().map(Into::into),
offset: super::integer(expansion.offset, "offset")?.map(Into::into),
count: super::integer(expansion.count, "count")?.map(Into::into),
include_designations: expansion.include_designations.map(Into::into),
..Default::default()
}
.into_parameters())
}
/// Returns one `property.value`, which STU3 types as `code`
/// (`OperationDefinition-CodeSystem-lookup`, 3.0.2).
fn lookup_property_value(
value: fhir_types::stu3::primitives::Code,
) -> Result<PropertyValue, BodyError> {
property_value(ParametersParameterValue::Code(value))
}
/// Returns the `issues` outcome of a false `$validate-code` answer,
/// a parameter STU3 does not declare.
const fn invalid_issues(
_answer: &ValueSetValidateCodeResponse,
) -> Result<Option<Outcome>, BodyError> {
Ok(None)
}
};
}