fix: fixed ilcd parse issue and added more test cases

src/epd.rs

@@ -180,16 +180,13 @@ pub enum SubType {
     Representative,
 }
 
-impl From<&String> for SubType {
-    fn from(value: &String) -> Self {
-        if value.to_ascii_lowercase().contains("representative") {
-            SubType::Representative
-        } else if value.to_ascii_lowercase().contains("specific") {
-            SubType::Specific
-        } else if value.to_ascii_lowercase().contains("industry") {
-            SubType::Industry
-        } else {
-            SubType::Generic
+impl From<&Option<String>> for SubType {
+    fn from(value: &Option<String>) -> Self {
+        match value {
+            Some(_value) if _value.to_lowercase().contains("representative") => SubType::Representative,
+            Some(_value) if _value.to_lowercase().contains("specific") => SubType::Specific,
+            Some(_value) if _value.to_lowercase().contains("industry") => SubType::Industry,
+            _ => SubType::Generic,
         }
     }
 }

src/ilcd.rs

@@ -178,7 +178,7 @@ pub struct Anies {
 #[serde(rename_all = "camelCase")]
 pub struct Anie {
     pub name: String,
-    pub value: String,
+    pub value: Option<String>,
 }
 
 #[derive(Deserialize)]

src/lcabyg.rs

@@ -103,7 +103,7 @@ impl From<&Vec<Stage>> for EPD {
                 name: node.external_source.clone(),
                 url: Some(node.external_url.clone()),
             }),
-            subtype: SubType::from(&node.data_type),
+            subtype: SubType::from(&Some(node.data_type.clone())),
             standard: if node.compliance == "A1" {
                 Standard::EN15804A1
             } else {