src/remote.rs: add update_config and remove_config function

src/remote.rs

 use crate::config_structure::{Config, RemoteConfig};
-use crate::configt::{get_borgconfig, get_global_config, parse_toml};
+use crate::configt::{get_borgconfig, get_global_config, write_config};
+use colored::Colorize;
 use regex::Regex;
 use std::collections::BTreeMap as Dict;
 use std::path::PathBuf;
@@ -30,7 +31,7 @@ pub fn parse_config(global: bool) -> Config {
             return Config {
                 repository: None,
                 gblk_prune: None,
-                remote: None,
+                gblk_remote: None,
             };
         }
         Some(c) => c,
@@ -50,7 +51,7 @@ pub fn parse_config(global: bool) -> Config {
         return Config {
             repository: None,
             gblk_prune: None,
-            remote: None,
+            gblk_remote: None,
         };
     }
     let re = Regex::new("id = (?P<first>[0-9a-z]+)\\W").unwrap();
@@ -97,12 +98,75 @@ fn combine_remote(
     dic
 }
 
+/// Get the remote config of a configuration file
+/// # Arguments
+/// - global: a boolean indicating to returns the remotes the the global or
+///   local configuration file
+/// # Return
+/// Return the remotes of the local or the global configuration file
+fn get_remotes(global: bool) -> Option<Vec<RemoteConfig>> {
+    let my_config = parse_config(global);
+    my_config.gblk_remote
+}
+
 /// Function that show the current gblk config of the borg folder
 pub fn show() -> () {
-    let global_config = parse_config(true);
-    let local_config = parse_config(false);
-    let remote_global = global_config.remote;
-    let remote_local = local_config.remote;
+    let remote_global = get_remotes(true);
+    let remote_local = get_remotes(false);
     let dic_remote = combine_remote(remote_global, remote_local);
     display_remotes(dic_remote);
 }
+
+/// Function that update the current gblk config file for the project folder
+/// # Arguments
+/// - `key` : The remote name to update
+/// - `value`: The value of the key to update
+/// - `global: A bolean indicating whether to update the  global or the local configuration
+pub fn update_config(key: &str, value: &str, global: bool) -> () {
+    let mut my_config = parse_config(global);
+    let mut remotes = match my_config.gblk_remote {
+        Some(r) => r,
+        None => Vec::new(),
+    };
+    let mut updated = false;
+    for r in remotes.iter_mut() {
+        if r.name == key {
+            r.url = value.to_owned();
+            updated = true;
+        }
+    }
+    if !updated {
+        remotes.push(RemoteConfig {
+            name: key.to_owned(),
+            url: value.to_owned(),
+        })
+    }
+    my_config.gblk_remote = Some(remotes);
+    write_config(&my_config, global);
+}
+
+/// Function that remove a given remote in the current gblk config file for the project folder
+/// # Arguments
+/// - `key` : The remote name to delete
+/// - `global: A bolean indicating whether to remove the key in the  global or
+///   the local configuration file
+pub fn remove_config(key: &str, global: bool) -> () {
+    let mut my_config = parse_config(global);
+    let mut remotes = match my_config.gblk_remote {
+        Some(r) => r,
+        None => Vec::new(),
+    };
+    let init_size = remotes.len();
+    remotes.retain(|x| &x.name != &key);
+    let end_size = remotes.len();
+    if init_size == end_size {
+        eprintln!("{}: The remote {} doesn't exists !", "error".red(), key);
+        exit(1);
+    }
+    my_config.gblk_remote = if remotes.len() > 0 {
+        Some(remotes)
+    } else {
+        None
+    };
+    write_config(&my_config, global);
+}