enumerate all objects on server when cloning

Cargo.lock

@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43f6cb1bf222025340178f382c426f13757b2960e89779dfcb319c32542a5a41"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -514,9 +523,11 @@ dependencies = [
  "clap",
  "colored",
  "dotenv",
+ "regex",
  "reqwest",
  "rust-crypto",
  "tokio",
+ "xml-rs",
 ]
 
 [[package]]
@@ -709,6 +720,23 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81ca098a9821bd52d6b24fd8b10bd081f47d39c22778cafaa75a2857a62c6390"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
+
 [[package]]
 name = "reqwest"
 version = "0.11.18"
@@ -1378,3 +1406,9 @@ checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
 dependencies = [
  "winapi",
 ]
+
+[[package]]
+name = "xml-rs"
+version = "0.8.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52839dc911083a8ef63efa4d039d1f58b5e409f923e44c80828f206f66e5541c"

Cargo.toml

@@ -12,3 +12,5 @@ dotenv ="0.15.0"
 clap = "2.33"
 rust-crypto = "0.2.36"
 colored = "2.0.0"
+xml-rs = "0.8.0"
+regex = "1.8.3"

src/commands/clone.rs

@@ -1,28 +1,115 @@
 use clap::Values;
+use std::io::Cursor;
+use xml::reader::{EventReader, XmlEvent};
 use std::fs::{self, DirBuilder};
 use std::path::Path;
 use crate::services::list_folders::ListFolders;
-use std::error::Error;
+use regex::Regex;
 
 pub fn clone(remote: Values<'_>) {
     let url = remote.clone().next().unwrap();
-    let path = Path::new(url);
-    
-    tokio::runtime::Runtime::new().unwrap().block_on(async {
-        call(url).await
-    });
-    //DirBuilder::new()
-    //    .create(path.parent());
-}
+    let mut path = Path::new(url);
 
-pub async fn call(url: &str) -> Result<String, Box<dyn Error>> {
-    let response = ListFolders::new(url).send().await?;
-    if response.status().is_success() {
-        let body = response.text().await?;
-        println!("Response body: {}", body);
-    } else {
-        println!("Request failed with status code: {}", response.status());
+    let domain_regex = Regex::new(r"(https?:\/\/.+?)\/").unwrap();
+    let domain = match domain_regex.captures_iter(url).last() {
+        Some(capture) => capture.get(1).expect("Domain not found").as_str(),
+        None => {
+            eprintln!("fatal: no domain found");
+            std::process::exit(1);
+        },
+    };
+    let url_without_domain = domain_regex.replace(url, "/").to_string();
+
+    let mut folders = vec![url_without_domain];
+    let mut url_request;
+    while folders.len() > 0 {
+
+        url_request = String::from(domain.clone());
+        url_request.push_str(folders.last().unwrap().as_str());
+        let mut body = Default::default();
+        tokio::runtime::Runtime::new().unwrap().block_on(async {
+            match call(url_request.as_str()).await {
+                Ok(b) => body = b.clone(),
+                Err(MyError::IncorrectRequest(err)) => {
+                    eprintln!("fatal: {}", err.status());
+                    std::process::exit(1);
+                },
+                Err(MyError::EmptyError(_)) => eprintln!("Failed to get body"),
+                Err(MyError::RequestError(err)) => {
+                    eprintln!("fatal: {}", err);
+                    std::process::exit(1);
+                }
+            }
+        });
+        folders.pop();
+        if (folders.len() == 0) {
+            if DirBuilder::new().create(path.parent()).is_err() {
+                // todo add second parameter to save in a folder
+                eprintln!("fatal: directory already exist");
+                // destination path 'path' already exists and is not an empty directory.
+                std::process::exit(1);
+            }
+
+            
+        }
+
+        let objects = get_objects_xml(body);
+        let mut iter = objects.iter();
+        iter.next(); // jump first element which the folder fetched
+        for object in iter {
+            dbg!(object);
+            if object.chars().last().unwrap() == '/' {
+                folders.push(object.to_string());
+                dbg!("folder");
+            }
+        }
+    }
+
+}
+
+fn get_objects_xml(xml: String) -> Vec<String> {
+    let cursor = Cursor::new(xml);
+    let parser = EventReader::new(cursor);
+
+    let mut should_get = false;
+    let mut objects: Vec<String> = vec![];
+
+    for event in parser {
+        match event {
+            Ok(XmlEvent::StartElement { name, .. }) => {
+                should_get = name.local_name == "href";
+            }
+            Ok(XmlEvent::Characters(text)) => {
+                if !text.trim().is_empty() && should_get {
+                    objects.push(text);
+                }
+            }
+            Ok(XmlEvent::EndElement { .. }) => {
+                should_get = false;
+            }
+            Err(e) => {
+                eprintln!("Error: {}", e);
+                break;
+            }
+            _ => {}
+        }
+    }
+    objects
+}
+
+enum MyError {
+    IncorrectRequest(reqwest::Response),
+    EmptyError(reqwest::Error),
+    RequestError(reqwest::Error),
+}
+
+async fn call(url: &str) -> Result<String, MyError> {
+    let res = ListFolders::new(url).send().await.map_err(MyError::RequestError)?; 
+    if res.status().is_success() {
+        let body = res.text().await.map_err(MyError::EmptyError)?;
+        Ok(body)
+    } else {
+        Err(MyError::IncorrectRequest(res))
     }
-    Ok(())
 }
 

src/services/list_folders.rs

@@ -14,6 +14,6 @@ impl ListFolders {
     }
 
     pub async fn send(&mut self) -> Result<Response, Error> {
-        Ok(self.api_builder.send().await?)
+        self.api_builder.send().await
     }
 }