wip: refactor profile

src-tauri/src/core/mod.rs

 mod clash;
+mod prfitem;
 mod profiles;
 mod verge;
 

src-tauri/src/core/prfitem.rs

+//! Todos
+//! refactor the profiles
+
+use crate::utils::{config, dirs};
+use anyhow::{bail, Result};
+use serde::{Deserialize, Serialize};
+use serde_yaml::{Mapping, Value};
+use std::{fs, str::FromStr};
+
+#[derive(Default, Debug, Clone, Deserialize, Serialize)]
+pub struct PrfItem {
+  pub uid: Option<String>,
+
+  /// profile item type
+  /// enum value: remote | local | script | merge
+  #[serde(rename = "type")]
+  pub itype: Option<String>,
+
+  /// profile name
+  pub name: Option<String>,
+
+  /// profile description
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub desc: Option<String>,
+
+  /// profile file
+  pub file: Option<String>,
+
+  /// source url
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub url: Option<String>,
+
+  /// selected infomation
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub selected: Option<Vec<PrfSelected>>,
+
+  /// user info
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub extra: Option<PrfExtra>,
+
+  /// updated time
+  pub updated: Option<usize>,
+}
+
+#[derive(Default, Debug, Clone, Deserialize, Serialize)]
+pub struct PrfSelected {
+  pub name: Option<String>,
+  pub now: Option<String>,
+}
+
+#[derive(Default, Debug, Clone, Copy, Deserialize, Serialize)]
+pub struct PrfExtra {
+  pub upload: usize,
+  pub download: usize,
+  pub total: usize,
+  pub expire: usize,
+}
+
+type FileData = String;
+
+impl PrfItem {
+  pub fn gen_now() -> usize {
+    use std::time::{SystemTime, UNIX_EPOCH};
+
+    SystemTime::now()
+      .duration_since(UNIX_EPOCH)
+      .unwrap()
+      .as_secs() as _
+  }
+
+  /// generate the uid
+  pub fn gen_uid(prefix: &str) -> String {
+    let now = Self::gen_now();
+    format!("{prefix}{now}")
+  }
+
+  /// parse the string
+  fn parse_str<T: FromStr>(target: &str, key: &str) -> Option<T> {
+    match target.find(key) {
+      Some(idx) => {
+        let idx = idx + key.len();
+        let value = &target[idx..];
+        match match value.split(';').nth(0) {
+          Some(value) => value.trim().parse(),
+          None => value.trim().parse(),
+        } {
+          Ok(r) => Some(r),
+          Err(_) => None,
+        }
+      }
+      None => None,
+    }
+  }
+
+  pub async fn from_url(url: &str, with_proxy: bool) -> Result<(Self, FileData)> {
+    let mut builder = reqwest::ClientBuilder::new();
+
+    if !with_proxy {
+      builder = builder.no_proxy();
+    }
+
+    let resp = builder.build()?.get(url).send().await?;
+    let header = resp.headers();
+
+    // parse the Subscription Userinfo
+    let extra = match header.get("Subscription-Userinfo") {
+      Some(value) => {
+        let sub_info = value.to_str().unwrap_or("");
+
+        Some(PrfExtra {
+          upload: PrfItem::parse_str(sub_info, "upload=").unwrap_or(0),
+          download: PrfItem::parse_str(sub_info, "download=").unwrap_or(0),
+          total: PrfItem::parse_str(sub_info, "total=").unwrap_or(0),
+          expire: PrfItem::parse_str(sub_info, "expire=").unwrap_or(0),
+        })
+      }
+      None => None,
+    };
+
+    let uid = PrfItem::gen_uid("r");
+    let file = format!("{uid}.yaml");
+    let name = uid.clone();
+    let data = resp.text_with_charset("utf-8").await?;
+
+    let item = PrfItem {
+      uid: Some(uid),
+      itype: Some("remote".into()),
+      name: Some(name),
+      desc: None,
+      file: Some(file),
+      url: Some(url.into()),
+      selected: None,
+      extra,
+      updated: Some(PrfItem::gen_now()),
+    };
+
+    Ok((item, data))
+  }
+}
+
+///
+/// ## Profiles Config
+///
+/// Define the `profiles.yaml` schema
+///
+#[derive(Default, Debug, Clone, Deserialize, Serialize)]
+pub struct Profiles {
+  /// same as PrfConfig.current
+  current: Option<String>,
+
+  /// same as PrfConfig.chain
+  chain: Option<Vec<String>>,
+
+  /// profile list
+  items: Option<Vec<PrfItem>>,
+}
+
+impl Profiles {
+  pub fn new() -> Profiles {
+    Profiles::read_file()
+  }
+
+  /// read the config from the file
+  pub fn read_file() -> Self {
+    config::read_yaml::<Self>(dirs::profiles_path())
+  }
+
+  /// save the config to the file
+  pub fn save_file(&self) -> Result<()> {
+    config::save_yaml(
+      dirs::profiles_path(),
+      self,
+      Some("# Profiles Config for Clash Verge\n\n"),
+    )
+  }
+
+  /// get the current uid
+  pub fn get_current(&self) -> Option<String> {
+    self.current.clone()
+  }
+
+  /// only change the main to the target id
+  pub fn put_current(&mut self, uid: String) -> Result<()> {
+    if self.items.is_none() {
+      self.items = Some(vec![]);
+    }
+
+    let items = self.items.as_ref().unwrap();
+    let some_uid = Some(uid.clone());
+
+    for each in items.iter() {
+      if each.uid == some_uid {
+        self.current = some_uid;
+        return self.save_file();
+      }
+    }
+
+    bail!("invalid uid \"{uid}\"");
+  }
+
+  /// append new item
+  /// return the new item's uid
+  pub fn append_item(&mut self, item: PrfItem) -> Result<()> {
+    if item.uid.is_none() {
+      bail!("the uid should not be null");
+    }
+
+    let mut items = self.items.take().unwrap_or(vec![]);
+    items.push(item);
+    self.items = Some(items);
+    self.save_file()
+  }
+
+  /// update the item's value
+  pub fn patch_item(&mut self, uid: String, item: PrfItem) -> Result<()> {
+    let mut items = self.items.take().unwrap_or(vec![]);
+
+    macro_rules! patch {
+      ($lv: expr, $rv: expr, $key: tt) => {
+        if ($rv.$key).is_some() {
+          $lv.$key = $rv.$key;
+        }
+      };
+    }
+
+    for mut each in items.iter_mut() {
+      if each.uid == Some(uid.clone()) {
+        patch!(each, item, itype);
+        patch!(each, item, name);
+        patch!(each, item, desc);
+        patch!(each, item, file);
+        patch!(each, item, url);
+        patch!(each, item, selected);
+        patch!(each, item, extra);
+
+        each.updated = Some(PrfItem::gen_now());
+
+        self.items = Some(items);
+        return self.save_file();
+      }
+    }
+
+    self.items = Some(items);
+    bail!("failed to found the uid \"{uid}\"")
+  }
+
+  /// delete item
+  /// if delete the main then return true
+  pub fn delete_item(&mut self, uid: String) -> Result<bool> {
+    let current = self.current.as_ref().unwrap_or(&uid);
+    let current = current.clone();
+
+    let mut items = self.items.take().unwrap_or(vec![]);
+    let mut index = None;
+
+    // get the index
+    for i in 0..items.len() {
+      if items[i].uid == Some(uid.clone()) {
+        index = Some(i);
+        break;
+      }
+    }
+
+    if let Some(index) = index {
+      items.remove(index).file.map(|file| {
+        let path = dirs::app_profiles_dir().join(file);
+        if path.exists() {
+          let _ = fs::remove_file(path);
+        }
+      });
+    }
+
+    // delete the original uid
+    if current == uid {
+      self.current = match items.len() > 0 {
+        true => items[0].uid.clone(),
+        false => None,
+      };
+    }
+
+    self.items = Some(items);
+    self.save_file()?;
+    Ok(current == uid)
+  }
+
+  /// only generate config mapping
+  pub fn gen_activate(&self) -> Result<Mapping> {
+    if self.current.is_none() {
+      bail!("invalid main uid on profiles");
+    }
+
+    let current = self.current.clone().unwrap();
+
+    for item in self.items.as_ref().unwrap().iter() {
+      if item.uid == Some(current.clone()) {
+        let file_path = match item.file.clone() {
+          Some(file) => dirs::app_profiles_dir().join(file),
+          None => bail!("failed to get the file field"),
+        };
+
+        if !file_path.exists() {
+          bail!("failed to read the file \"{}\"", file_path.display());
+        }
+
+        let mut new_config = Mapping::new();
+        let def_config = config::read_yaml::<Mapping>(file_path.clone());
+
+        // Only the following fields are allowed:
+        // proxies/proxy-providers/proxy-groups/rule-providers/rules
+        let valid_keys = vec![
+          "proxies",
+          "proxy-providers",
+          "proxy-groups",
+          "rule-providers",
+          "rules",
+        ];
+
+        valid_keys.iter().for_each(|key| {
+          let key = Value::String(key.to_string());
+          if def_config.contains_key(&key) {
+            let value = def_config[&key].clone();
+            new_config.insert(key, value);
+          }
+        });
+
+        return Ok(new_config);
+      }
+    }
+
+    bail!("failed to found the uid \"{current}\"");
+  }
+}