add deletion of file

src/commands/add.rs

@@ -23,18 +23,19 @@ pub fn add(files: Values<'_>) {
     for file in file_vec {
         let path = Path::new(file);
         println!("{}", file);
-        match path.try_exists() {
-            Ok(true) => {
+        match path.exists() {
+            true => {
                 match writeln!(index_file, "{}", path.display()) {
                     Ok(()) => (),
                     Err(err) => eprintln!("{}", err),
                 }
             },
-            Ok(false) => {
+            false => {
+                match writeln!(index_file, "{}", path.display()) {
+                    Ok(()) => (),
+                    Err(err) => eprintln!("{}", err),
+                }
                 // todo can be regex
-            },
-            Err(err) => { 
-                eprintln!("Error: {}", err);
             }
         }
     } 

src/commands/push.rs

@@ -2,7 +2,10 @@ use crate::commands::{status, config};
 use crate::services::req_props::ReqProps;
 use crate::services::api::ApiError;
 use crate::services::upload_file::UploadFile;
+use crate::services::delete_path::DeletePath;
 use crate::commands::status::{State, Obj};
+use crate::store::object::{add_blob, rm_blob};
+use crate::store::index;
 
 pub fn push() {
     dbg!(status::get_all_staged());
@@ -24,6 +27,7 @@ pub fn push() {
             let push_factory = PushFactory.new(obj.clone());
             match push_factory.can_push() {
                 PushState::Valid => push_factory.push(),
+                PushState::Done => (),
                 _ => todo!(),
             }
         }
@@ -35,6 +39,7 @@ pub fn push() {
 
 #[derive(Debug)]
 enum PushState {
+    Done,
     Valid,
     Conflict,
     Error,
@@ -77,7 +82,7 @@ impl PushChange for New {
                 // file doesn't exist on remote
                 PushState::Valid
             } else {
-                // check date
+                // todo check date
                 PushState::Conflict
             }
         } else {
@@ -105,9 +110,82 @@ impl PushChange for New {
                 }
                 _ => (),
             }
-            // todo manage err
-            // todo remove index
         });
+
+        // update tree
+        add_blob(&obj.path.clone(), "todo_date");
+        // remove index
+        index::rm_line(obj.path.to_str().unwrap());
+    }
+}
+
+
+struct Deleted {
+    obj: Obj,
+}
+
+impl PushChange for Deleted {
+    fn can_push(&self) -> PushState {
+        // check if exist on server
+        let file_infos = tokio::runtime::Runtime::new().unwrap().block_on(async {
+            let res = ReqProps::new()
+                .set_url(&self.obj.path.to_str().unwrap())
+                .getlastmodified()
+                .send_with_err()
+                .await;
+
+            match res {
+                Ok(data) => Ok(data),
+                Err(ApiError::IncorrectRequest(err)) => {
+                    if err.status() == 404 {
+                        Ok(vec![])
+                    } else {
+                        Err(())
+                    }
+                },
+                Err(_) => Err(()),
+            }
+        });
+
+        if let Ok(infos) = file_infos {
+            if infos.len() == 0 {
+                // file doesn't exist on remote
+                PushState::Done
+            } else {
+                // todo check date
+                //PushState::Conflict
+                PushState::Valid
+            }
+        } else {
+            PushState::Error
+        }
+    }
+
+    fn push(&self) {
+        let obj = &self.obj;
+        tokio::runtime::Runtime::new().unwrap().block_on(async {
+            let res = DeletePath::new()
+                .set_url(obj.path.to_str().unwrap())
+                .send_with_err()
+                .await;
+
+            match res {
+                Err(ApiError::IncorrectRequest(err)) => {
+                    eprintln!("fatal: error deleting file {}: {}", obj.name, err.status());
+                    std::process::exit(1);
+                },
+                Err(ApiError::RequestError(_)) => {
+                    eprintln!("fatal: request error deleting file {}", obj.name);
+                    std::process::exit(1);
+                }
+                _ => (),
+            }
+        });
+
+        // update tree
+        rm_blob(&obj.path.clone());
+        // remove index
+        index::rm_line(obj.path.to_str().unwrap());
     }
 }
 
@@ -119,7 +197,7 @@ impl PushFactory {
             State::New => Box::new(New { obj: obj.clone() }),
             State::Renamed => todo!(),
             State::Modified => todo!(),
-            State::Deleted => todo!(),
+            State::Deleted => Box::new(Deleted { obj: obj.clone() }),
             State::Default => todo!(),
         }
     }

src/services.rs

@@ -3,3 +3,4 @@ pub mod list_folders;
 pub mod download_files;
 pub mod req_props;
 pub mod upload_file;
+pub mod delete_path;

src/services/delete_path.rs

@@ -0,0 +1,33 @@
+use crate::services::api::{ApiBuilder, ApiError};
+use reqwest::{Method, Response, Error};
+
+pub struct DeletePath {
+    api_builder: ApiBuilder,
+}
+
+impl DeletePath {
+    pub fn new() -> Self {
+        DeletePath {
+            api_builder: ApiBuilder::new(),
+        }
+    }
+
+    pub fn set_url(&mut self, url: &str) -> &mut DeletePath {
+        self.api_builder.build_request(Method::DELETE, url);
+        self
+    }
+
+    pub async fn send(&mut self) -> Result<Response, Error> {
+        self.api_builder.send().await
+    }
+
+    pub async fn send_with_err(&mut self) -> Result<String, ApiError> {
+        let res = self.send().await.map_err(ApiError::RequestError)?; 
+        if res.status().is_success() {
+            let body = res.text().await.map_err(ApiError::EmptyError)?;
+            Ok(body)
+        } else {
+            Err(ApiError::IncorrectRequest(res))
+        }
+    }
+}

src/services/details.rs

@@ -1,50 +0,0 @@
-async fn send_propfind_request() -> Result<(), Box<dyn Error>> {
-    dotenv().ok();
-    
-    let mut api_endpoint = env::var("HOST").unwrap().to_owned();
-    api_endpoint.push_str("/remote.php/dav/files/");
-    let username = env::var("USERNAME").unwrap();
-    api_endpoint.push_str(&username);
-    api_endpoint.push_str("/test");
-    let password = env::var("PASSWORD").unwrap();
-
-    // Create a reqwest client
-    let client = Client::new();
-
-    // Create the XML payload
-    let xml_payload = r#"<?xml version="1.0" encoding="UTF-8"?>
-        <d:propfind xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns" xmlns:nc="http://nextcloud.org/ns">
-          <d:prop>
-            <d:getlastmodified/>
-            <d:getcontentlength/>
-            <d:getcontenttype/>
-            <oc:permissions/>
-            <d:resourcetype/>
-            <d:getetag/>
- )        </d:prop>
-        </d:propfind>"#;
-    
-    let mut headers = HeaderMap::new();
-    headers.insert(CONTENT_TYPE, HeaderValue::from_static("application/xml"));
-
-
-    // Send the request
-    let response = client
-        .request(reqwest::Method::from_bytes(b"PROPFIND").unwrap(), api_endpoint)
-        .basic_auth(username, Some(password))
-        .headers(headers)
-        .body(xml_payload)
-        .send()
-        .await?;
-
-    // Handle the response
-    if response.status().is_success() {
-        let body = response.text().await?;
-        println!("Response body: {}", body);
-    } else {
-        println!("Request failed with status code: {}", response.status());
-    }
-
-    Ok(())
-}
-

src/services/req_props.rs

@@ -1,7 +1,7 @@
 use crate::services::api::{ApiBuilder, ApiError};
 use xml::reader::{EventReader, XmlEvent};
-use std::io::{self, Cursor};
-use reqwest::{Method, IntoUrl, Response, Error};
+use std::io::Cursor;
+use reqwest::{Method, Response, Error};
 
 pub struct ReqProps {
     api_builder: ApiBuilder,

src/services/upload_file.rs

@@ -1,9 +1,8 @@
-use xml::reader::{EventReader, XmlEvent};
 use std::fs::File;
 use crate::services::api::{ApiBuilder, ApiError};
 use std::path::PathBuf;
-use std::io::{self, Read};
-use reqwest::{Method, IntoUrl, Response, Error};
+use std::io::{Read};
+use reqwest::{Method, Response, Error};
 
 pub struct UploadFile {
     api_builder: ApiBuilder,

src/store/head.rs

@@ -43,3 +43,15 @@ pub fn add_line(line: String) -> io::Result<()> {
     writeln!(file, "{}", line)?;
     Ok(())
 }
+
+pub fn rm_line(line: &str) -> io::Result<()> {
+    let mut root = match path::nextsync_root() {
+        Some(path) => path,
+        None => todo!(),
+    };
+
+    root.push(".nextsync");
+    root.push("HEAD");
+    read::rm_line(root, line)?;
+    Ok(())
+}

src/store/index.rs

@@ -1,7 +1,7 @@
 use std::fs::OpenOptions;
 use std::fs::File;
 use std::path::PathBuf;
-use crate::utils::read;
+use crate::utils::{read, path};
 use std::io;
 
 pub fn _read_only(mut path: PathBuf) -> File {
@@ -25,3 +25,15 @@ pub fn read_line(mut path: PathBuf) -> io::Result<io::Lines<io::BufReader<File>>
     path.push("index");
     read::read_lines(path)
 }
+
+pub fn rm_line(line: &str) -> io::Result<()> {
+    let mut root = match path::nextsync_root() {
+        Some(path) => path,
+        None => todo!(),
+    };
+
+    root.push(".nextsync");
+    root.push("index");
+    read::rm_line(root, line)?;
+    Ok(())
+}

src/store/object.rs

@@ -19,7 +19,7 @@ fn parse_path(path: &Path, is_blob: bool) -> (String, String, String) {
     hasher.input_str(path.clone().to_str().unwrap());
     let hash = hasher.result_str();
 
-    let mut line = String::from(if is_blob { "tree" } else { "blob" });
+    let mut line = String::from(if is_blob { "blob" } else { "tree" });
     line.push_str(" ");
     line.push_str(&hash);
     line.push_str(" ");
@@ -56,10 +56,36 @@ pub fn add_tree(path: &Path) -> io::Result<()> {
     Ok(())
 }
 
+pub fn rm_blob(path: &Path) -> io::Result<()> {
+    let (line, hash, name) = parse_path(path.clone(), true);
+
+    // remove blob reference to parent
+    if path.iter().count() == 1 {
+        head::rm_line(&line)?;
+    } else {
+        rm_node(path.parent().unwrap(), &line)?;
+    }
+
+    // remove blob object
+    let mut root = match path::objects() {
+        Some(path) => path,
+        None => todo!(),
+    };
+
+    let c = hash.clone();
+    let (dir, rest) = c.split_at(2);
+    root.push(dir);
+    root.push(rest);
+    fs::remove_file(root)?;
+
+    Ok(())
+
+}
+
 pub fn add_blob(path: &Path, date: &str) -> io::Result<()> {
     let (line, hash, name) = parse_path(path.clone(), true);
 
-    // add tree reference to parent
+    // add blob reference to parent
     if path.iter().count() == 1 {
         head::add_line(line)?;
     } else {
@@ -125,6 +151,21 @@ pub fn read_tree(tree: String) -> Option<(String, io::Lines<io::BufReader<File>>
     
 }
 
+fn rm_node(path: &Path, node: &str) -> io::Result<()> {
+    let mut root = match path::objects() {
+        Some(path) => path,
+        None => todo!(),
+    };
+   
+    let (dir, rest) = hash_obj(path.clone().to_str().unwrap());
+
+    root.push(dir);
+    root.push(rest);
+
+    read::rm_line(root, node)?;
+    Ok(())
+}
+
 fn add_node(path: &Path, node: &str) -> io::Result<()> {
     let mut root = match path::objects() {
         Some(path) => path,

src/utils/read.rs

@@ -1,9 +1,7 @@
 use std::path::{Path, PathBuf};
-use std::io::{self, BufRead};
-use std::fs::{self, File};
+use std::io::{self, BufRead, BufReader, Write};
+use std::fs::{self, File, OpenOptions};
 
-// The output is wrapped in a Result to allow matching on errors
-// Returns an Iterator to the Reader of the lines of the file.
 pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
 where P: AsRef<Path>, {
     let file = File::open(filename)?;
@@ -18,3 +16,28 @@ pub fn read_folder(path: PathBuf) -> io::Result<Vec<PathBuf>> {
     entries.sort();
     Ok(entries)
 }
+
+
+pub fn rm_line(path: PathBuf, line_to_del: &str) -> io::Result<()> {
+    let file = File::open(path.clone())?;
+    let reader = BufReader::new(&file);
+    let mut temp_file = OpenOptions::new()
+        .write(true)
+        .create(true)
+        .truncate(true)
+        .open(format!("{}_temp", path.display()))?;
+
+    for line in reader.lines() {
+        let l = line?;
+        if l.trim() != line_to_del.trim() {
+            writeln!(temp_file, "{}", l)?;
+        }
+    }
+
+    drop(file);
+    drop(temp_file);
+
+    fs::remove_file(path.clone())?;
+    fs::rename(format!("{}_temp", path.display()), path)?;
+    Ok(())
+}