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D6855.1768440960.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
@@ -1,6 +1,8 @@
use aws_sdk_dynamodb::{model::AttributeValue, Error as DynamoDBError};
use chrono::{DateTime, Utc};
+use std::collections::HashMap;
use std::fmt::{Display, Formatter};
+use std::num::ParseIntError;
#[derive(
Debug, derive_more::Display, derive_more::From, derive_more::Error,
@@ -12,10 +14,16 @@
Attribute(DBItemError),
}
+#[derive(Debug)]
+pub enum Value {
+ AttributeValue(Option<AttributeValue>),
+ String(String),
+}
+
#[derive(Debug, derive_more::Error, derive_more::Constructor)]
pub struct DBItemError {
attribute_name: &'static str,
- attribute_value: Option<AttributeValue>,
+ attribute_value: Value,
attribute_error: DBItemAttributeError,
}
@@ -47,6 +55,8 @@
IncorrectType,
#[display(...)]
InvalidTimestamp(chrono::ParseError),
+ #[display(...)]
+ InvalidNumberFormat(ParseIntError),
}
pub fn parse_string_attribute(
@@ -57,12 +67,12 @@
Some(AttributeValue::S(value)) => Ok(value),
Some(_) => Err(DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::IncorrectType,
)),
None => Err(DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::Missing,
)),
}
@@ -76,12 +86,12 @@
Some(AttributeValue::Bool(value)) => Ok(value),
Some(_) => Err(DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::IncorrectType,
)),
None => Err(DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::Missing,
)),
}
@@ -96,15 +106,47 @@
datetime.parse().map_err(|e| {
DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::InvalidTimestamp(e),
)
})
} else {
Err(DBItemError::new(
attribute_name,
- attribute_value,
+ Value::AttributeValue(attribute_value),
DBItemAttributeError::Missing,
))
}
}
+
+pub fn parse_map_attribute(
+ attribute_name: &'static str,
+ attribute_value: Option<AttributeValue>,
+) -> Result<HashMap<String, AttributeValue>, DBItemError> {
+ match attribute_value {
+ Some(AttributeValue::M(map)) => Ok(map),
+ Some(_) => Err(DBItemError::new(
+ attribute_name,
+ Value::AttributeValue(attribute_value),
+ DBItemAttributeError::IncorrectType,
+ )),
+ None => Err(DBItemError::new(
+ attribute_name,
+ Value::AttributeValue(attribute_value),
+ DBItemAttributeError::Missing,
+ )),
+ }
+}
+
+pub fn parse_number(
+ attribute_name: &'static str,
+ attribute_value: &str,
+) -> Result<i32, DBItemError> {
+ attribute_value.parse::<i32>().map_err(|e| {
+ DBItemError::new(
+ attribute_name,
+ Value::String(attribute_value.to_string()),
+ DBItemAttributeError::InvalidNumberFormat(e),
+ )
+ })
+}

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