D8789.1768133373.diff
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D8789.1768133373.diff
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	diff --git a/services/comm-services-lib/src/database.rs b/services/comm-services-lib/src/database.rs
	--- a/services/comm-services-lib/src/database.rs
	+++ b/services/comm-services-lib/src/database.rs
	@@ -63,6 +63,41 @@
	InvalidNumberFormat(ParseIntError),
	}

	+/// Conversion trait for [`AttributeValue`]
	+///
	+/// Types implementing this trait are able to do the following:
	+/// ```rust
	+/// use comm_services_lib::database::{TryFromAttribute, AttributeTryInto};
	+///
	+/// let foo = SomeType::try_from_attr("MyAttribute", Some(attribute));
	+///
	+/// // if `AttributeTryInto` is imported, also:
	+/// let bar = Some(attribute).attr_try_into("MyAttribute");
	+pub trait TryFromAttribute: Sized {
	+ fn try_from_attr(
	+ attribute_name: impl Into<String>,
	+ attribute: Option<AttributeValue>,
	+ ) -> Result<Self, DBItemError>;
	+}
	+
	+/// Do NOT implement this trait directly. Implement [`TryFromAttribute`] instead
	+pub trait AttributeTryInto<T> {
	+ fn attr_try_into(
	+ self,
	+ attribute_name: impl Into<String>,
	+ ) -> Result<T, DBItemError>;
	+}
	+// Automatic attr_try_into() for all attribute values
	+// that have TryFromAttribute implemented
	+impl<T: TryFromAttribute> AttributeTryInto<T> for Option<AttributeValue> {
	+ fn attr_try_into(
	+ self,
	+ attribute_name: impl Into<String>,
	+ ) -> Result<T, DBItemError> {
	+ T::try_from_attr(attribute_name, self)
	+ }
	+}
	+
	pub fn parse_string_attribute(
	attribute_name: impl Into<String>,
	attribute_value: Option<AttributeValue>,