Add navi repo browse (#280)

Cargo.lock

@@ -245,7 +245,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "navi"
-version = "2.1.3"
+version = "2.1.4"
 dependencies = [
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "navi"
-version = "2.1.3"
+version = "2.1.4"
 authors = ["Denis Isidoro <denis_isidoro@live.com>"]
 edition = "2018"
 description = "An interactive cheatsheet tool for the command-line"

src/cmds/core.rs

@@ -91,16 +91,11 @@ fn prompt_with_suggestions(
         ..Default::default()
     };
 
-    let mut column: Option<u8> = None;
-    let mut delimiter = r"\s\s+";
-
     if let Some(o) = &suggestion_options {
         opts.suggestion_type = o.suggestion_type;
         opts.header_lines = o.header_lines;
-        column = o.column;
-        if let Some(d) = o.delimiter.as_ref() {
-            delimiter = d.as_str();
-        }
+        opts.column = o.column;
+        opts.delimiter = o.delimiter.as_deref();
     };
 
     let (output, _) = fzf::call(opts, |stdin| {
@@ -108,16 +103,7 @@ fn prompt_with_suggestions(
         None
     });
 
-    if let Some(c) = column {
-        let re = regex::Regex::new(delimiter).unwrap();
-        let mut parts = re.split(output.as_str());
-        for _ in 0..(c - 1) {
-            parts.next().unwrap();
-        }
-        parts.next().unwrap().to_string()
-    } else {
-        output
-    }
+    output
 }
 
 fn prompt_without_suggestions(variable_name: &str) -> String {

src/cmds/func.rs

@@ -1,3 +1,5 @@
+use crate::handler;
+use crate::option;
 use std::error::Error;
 use std::process::Command;
 
@@ -13,6 +15,11 @@ pub fn main(func: String, args: Vec<String>) -> Result<(), Box<dyn Error>> {
                 .unwrap();
             Ok(())
         }
+
+        "welcome" => handler::handle_config(option::config_from_iter(
+            "navi --path /tmp/irrelevant".split(' ').collect(),
+        )),
+
         _ => unreachable!(""),
     }
 }

src/cmds/repo.rs

@@ -8,11 +8,42 @@ use std::fs;
 use std::io::Write;
 use walkdir::WalkDir;
 
+pub fn browse() -> Result<(), Box<dyn Error>> {
+    let repo_path_str = format!("{}/featured", filesystem::tmp_path_str());
+
+    filesystem::remove_dir(&repo_path_str);
+    filesystem::create_dir(&repo_path_str);
+
+    match Repository::clone("https://github.com/denisidoro/cheats", &repo_path_str) {
+        Ok(r) => r,
+        Err(e) => panic!("failed to clone: {}", e),
+    };
+
+    let repos = fs::read_to_string(format!("{}/featured_repos.txt", &repo_path_str))
+        .expect("Unable to fetch featured repos");
+
+    let opts = fzf::Opts {
+        column: Some(1),
+        ..Default::default()
+    };
+
+    let (repo, _) = fzf::call(opts, |stdin| {
+        stdin
+            .write_all(repos.as_bytes())
+            .expect("Unable to prompt featured repos");
+        None
+    });
+
+    filesystem::remove_dir(&repo_path_str);
+
+    add(repo)
+}
+
 pub fn add(uri: String) -> Result<(), Box<dyn Error>> {
     let (actual_uri, user, repo) = git::meta(uri.as_str());
 
     let cheat_path_str = filesystem::pathbuf_to_string(filesystem::cheat_pathbuf().unwrap());
-    let tmp_path_str = format!("{}/tmp", cheat_path_str);
+    let tmp_path_str = filesystem::tmp_path_str();
     let tmp_path_str_with_trailing_slash = format!("{}/", &tmp_path_str);
 
     filesystem::remove_dir(&tmp_path_str);

src/filesystem.rs

@@ -83,3 +83,8 @@ pub fn create_dir(path: &str) {
 pub fn remove_dir(path: &str) {
     fs::remove_dir_all(path).unwrap_or(());
 }
+
+pub fn tmp_path_str() -> String {
+    let cheat_path_str = pathbuf_to_string(cheat_pathbuf().unwrap());
+    format!("{}/tmp", cheat_path_str)
+}

src/fzf.rs

@@ -16,6 +16,8 @@ pub struct Opts<'a> {
     pub header_lines: u8,
     pub header: Option<String>,
     pub suggestion_type: SuggestionType,
+    pub delimiter: Option<&'a str>,
+    pub column: Option<u8>,
 }
 
 impl Default for Opts<'_> {
@@ -30,10 +32,25 @@ impl Default for Opts<'_> {
             header: None,
             prompt: None,
             suggestion_type: SingleSelection,
+            column: None,
+            delimiter: None,
         }
     }
 }
 
+fn get_column(text: String, column: Option<u8>, delimiter: Option<&str>) -> String {
+    if let Some(c) = column {
+        let re = regex::Regex::new(delimiter.unwrap_or(r"\s\s+")).unwrap();
+        let mut parts = re.split(text.as_str());
+        for _ in 0..(c - 1) {
+            parts.next().unwrap();
+        }
+        parts.next().unwrap().to_string()
+    } else {
+        text
+    }
+}
+
 pub fn call<F>(opts: Opts, stdin_fn: F) -> (String, Option<HashMap<String, cheat::Suggestion>>)
 where
     F: Fn(&mut process::ChildStdin) -> Option<HashMap<String, cheat::Suggestion>>,
@@ -134,7 +151,15 @@ where
             panic!("External command failed:\n {}", err)
         }
     };
-    (parse_output_single(text, opts.suggestion_type), result)
+
+    (
+        get_column(
+            parse_output_single(text, opts.suggestion_type),
+            opts.column,
+            opts.delimiter,
+        ),
+        result,
+    )
 }
 
 fn parse_output_single(mut text: String, suggestion_type: SuggestionType) -> String {

src/handler.rs

@@ -15,6 +15,7 @@ pub fn handle_config(mut config: Config) -> Result<(), Box<dyn Error>> {
             Fn { func, args } => cmds::func::main(func.clone(), args.to_vec()),
             Repo { cmd } => match cmd {
                 RepoCommand::Add { uri } => cmds::repo::add(uri.clone()),
+                RepoCommand::Browse => cmds::repo::browse(),
             },
         },
     }

src/option.rs

@@ -92,6 +92,8 @@ pub enum RepoCommand {
         /// A URI to a git repository containing .cheat files ("user/repo" will download cheats from github.com/user/repo)
         uri: String,
     },
+    /// Browses for featured cheatsheet repos
+    Browse,
 }
 
 pub enum InternalCommand {

src/welcome.rs

@@ -14,5 +14,11 @@ pub fn cheatsheet(stdin: &mut std::process::ChildStdin) {
         "navi repo add denisidoro/cheats",
         stdin,
     );
+    add_msg(
+        "cheatsheets",
+        "Browse for cheatsheet repos",
+        "navi repo browse",
+        stdin,
+    );
     add_msg("more info", "Read --help message", "navi --help", stdin);
 }