add helper to create metadata with duration

Author: SteveL-MSFT

dsc_lib/src/configure/config_doc.rs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+use chrono::{DateTime, Local};
 use rust_i18n::t;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -58,6 +59,26 @@ pub struct MicrosoftDscMetadata {
     pub security_context: Option<SecurityContextKind>,
 }
 
+impl MicrosoftDscMetadata {
+    /// Creates a new instance of `MicrosoftDscMetadata` with the duration
+    ///
+    /// # Arguments
+    ///
+    /// * `start` - The start time of the configuration operation
+    /// * `end` - The end time of the configuration operation
+    ///
+    /// # Returns
+    ///
+    /// A new instance of `MicrosoftDscMetadata` with the duration calculated from the start and end times.
+    #[must_use]
+    pub fn new_with_duration(start: &DateTime<Local>, end: &DateTime<Local>) -> Self {
+        Self {
+            duration: Some(end.signed_duration_since(*start).to_string()),
+            ..Default::default()
+        }
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Deserialize, Serialize, JsonSchema)]
 pub struct Metadata {
     #[serde(rename = "Microsoft.DSC", skip_serializing_if = "Option::is_none")]

dsc_lib/src/configure/mod.rs

@@ -327,10 +327,7 @@ impl Configurator {
             let end_datetime = chrono::Local::now();
             let mut metadata = Metadata {
                 microsoft: Some(
-                    MicrosoftDscMetadata {
-                        duration: Some(end_datetime.signed_duration_since(start_datetime).to_string()),
-                        ..Default::default()
-                    }
+                    MicrosoftDscMetadata::new_with_duration(&start_datetime, &end_datetime)
                 ),
                 other: Map::new(),
             };
@@ -484,10 +481,7 @@ impl Configurator {
 
             let mut metadata = Metadata {
                 microsoft: Some(
-                    MicrosoftDscMetadata {
-                        duration: Some(end_datetime.signed_duration_since(start_datetime).to_string()),
-                        ..Default::default()
-                    }
+                    MicrosoftDscMetadata::new_with_duration(&start_datetime, &end_datetime)
                 ),
                 other: Map::new(),
             };
@@ -557,10 +551,7 @@ impl Configurator {
             let end_datetime = chrono::Local::now();
             let mut metadata = Metadata {
                 microsoft: Some(
-                    MicrosoftDscMetadata {
-                        duration: Some(end_datetime.signed_duration_since(start_datetime).to_string()),
-                        ..Default::default()
-                    }
+                    MicrosoftDscMetadata::new_with_duration(&start_datetime, &end_datetime)
                 ),
                 other: Map::new(),
             };