[wip] Still no errors

src/main.rs

@@ -41,9 +41,9 @@ pub struct NextcloudResponse {
 #[yaserde(rename = "propstat", prefix = "d", namespace = "d: DAV:")]
 pub struct Propstat {
     #[yaserde(prefix = "d")]
-    prop: Option<Prop>,
+    prop: Prop,
     #[yaserde(prefix = "d")]
-    status: Option<String>,
+    status: String,
 }
 
 #[derive(Default, PartialEq, Debug, YaDeserialize)]
@@ -54,17 +54,17 @@ pub struct Propstat {
 )]
 pub struct Prop {
     #[yaserde(prefix = "d", rename = "getlastmodified")]
-    get_last_modified: Option<String>,
+    get_last_modified: String,
     #[yaserde(prefix = "oc")]
-    permissions: Option<String>,
+    permissions: String,
     #[yaserde(prefix = "d", rename = "resourcetype")]
-    resource_type: Option<ResourceType>,
+    resource_type: ResourceType,
     #[yaserde(prefix = "d", rename = "getetag")]
-    get_etag: Option<String>,
+    get_etag: String,
     #[yaserde(prefix = "d", rename = "getcontentlength")]
-    get_content_length: Option<u32>,
+    get_content_length: u32,
     #[yaserde(prefix = "d", rename = "getcontenttype")]
-    get_content_type: Option<String>,
+    get_content_type: String,
     #[yaserde(prefix = "oc", rename = "share-types")]
     share_types: Vec<ShareType>,
 }
@@ -87,7 +87,7 @@ pub struct ResourceType {
 #[yaserde(rename = "collection", namespace = "d: DAV:")]
 pub struct Collection {
     #[yaserde(prefix = "d")]
-    collection: Option<String>,
+    collection: String,
 }
 
 async fn get_folder_contents(url_tail: &String) -> Result<String, Box<dyn std::error::Error>> {
@@ -130,36 +130,32 @@ async fn traverse(mut result: Multistatus) {
     debug!("Entering: traverse()");
     // Initialize the indexed "pointer"
     let mut current_index: usize = 0;
-    let mut already_visited: bool;
     // Initialize the hashmap of visited items (by etag?)
     let mut visited_items = HashMap::new();
-    if let Some(prop) = &mut result.response[0].propstat[0].prop {
-        if let Some(etag) = &prop.get_etag {
+    let mut etag = (&mut result.response[current_index].propstat[0].prop.get_etag).clone();
     visited_items.insert(etag, true);
-        } else {
     current_index += 1;
-        }
-    } else {
-        current_index += 1;
-    }
 
     // Depth first traversal
     while current_index < (&mut result.response).len() {
-        match &mut result.response[current_index].propstat[0].prop {
-            Some(prop) => {
-                match &prop.get_etag {
-                    Some(etag) => {
-                        // 2022-02-17 When I tried to add the next bit here,
-                        // the borrow checker objected to mutable borrows in 
-                        // lines 136 and 147. 
-                        // As a result, I should try to get this working 
-                        // without `Option<T>` first.
-                    },
-                    _ => println!("Something's happening.")
-                }
-            },
-            _ => println!("Something's happening.")
+        // If result.response[current_index] has not been visited
+        if !visited_items.contains_key(&mut result.response[current_index].propstat[0].prop.get_etag) {
+            if !(&mut result.response[current_index].propstat[0].prop.resource_type.collection).is_empty() {
+                // Get the contents XML
+                let folder_contents: String = get_folder_contents(
+                    &result.response[current_index].href, // change to mutable borrow if necessary
+                )
+                .await
+                .unwrap();
+                debug!("{:?}", folder_contents);
+                // Parse the contents XML into Multistatus
+                let mut new_result: Multistatus = from_str(&String::from(folder_contents)).unwrap();
+                // Append the NextcloudResponse vector to result.response
+                result.response.append(&mut new_result.response);
+            } // else if it's not public, publicise it.
+              // also add debugging statements in this function throughout!
         }
+        current_index += 1;
     }
 }