Files
cargotool/src/cmd_crate.rs

110 lines
4.4 KiB
Rust

use std::fs;
use std::collections::HashMap;
use std::time::Duration;
use clap::{ArgMatches, SubCommand, App, Arg};
use crates_io_api::{SyncClient, CrateResponse};
use crate::cmd::{Command, CommandResult};
pub struct CommandImpl;
impl Command for CommandImpl {
fn name(&self) -> &str { "crate" }
fn subcommand<'a>(&self) -> App<'a, 'a> {
SubCommand::with_name(self.name()).about("Crate subcommand")
.arg(Arg::with_name("add").short("A").long("add").multiple(true).takes_value(true).help("Add crates to project"))
}
fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandResult {
let crate_io_client = SyncClient::new(
"cargotool (https://hatter.me/)", Duration::from_millis(1000)
)?;
let toml_str = match fs::read_to_string("Cargo.toml") {
Ok(s) => s, Err(e) => {
failure!("Read file Cargo.toml failed: {}", e);
return Ok(-1);
},
};
let mut toml: toml::Value = match toml_str.parse() {
Ok(t) => t, Err(e) => {
failure!("Parse Cargo.toml failed: {}", e);
return Ok(-1);
},
};
let mut exists_dependencies_map: HashMap<String, String> = HashMap::new();
if let toml::Value::Table(cargo_map) = &toml {
if let Some(toml::Value::Table(dependencies)) = cargo_map.get("dependencies") {
for (k, v) in dependencies.iter() {
match v {
toml::Value::String(s) => {
exists_dependencies_map.insert(k.clone(), s.clone());
},
toml::Value::Table(t) => {
if let Some(toml::Value::String(version)) = t.get("version") {
exists_dependencies_map.insert(k.clone(), version.clone());
}
},
_ => (),
}
}
}
}
let mut is_updated = false;
if let Some(add_crates) = sub_arg_matches.values_of("add") {
for c in add_crates {
if exists_dependencies_map.contains_key(c) {
warning!("Crate: {} exists!", c);
} else {
if let Some(crate_response) = find_create(&crate_io_client, c) {
if let toml::Value::Table(cargo_map) = &mut toml {
if let Some(toml::Value::Table(dependencies)) = cargo_map.get_mut("dependencies") {
is_updated = true;
let crate_data = crate_response.crate_data;
dependencies.insert(crate_data.id, toml::Value::String(crate_data.max_version));
success!("Adding crate: {}", c);
}
}
}
}
}
}
if is_updated {
match toml::to_string_pretty(&toml) {
Err(e) => failure!("Generate toml failed: {}", e),
Ok(t) => match fs::write("Cargo.toml.new", t) {
Err(e) => failure!("Write to file: Carto.toml, failed: {}", e),
Ok(_) => success!("Write to file: Cargo.toml success!"),
},
}
}
Ok(0)
}
}
fn find_create(crate_io_client: &SyncClient, crate_name: &str) -> Option<CrateResponse> {
let c = match crate_io_client.get_crate(crate_name) {
Ok(c) => c, Err(e) => {
failure!("Crate not found or network error: {}", e);
return None;
},
};
let crate_data = &c.crate_data;
if crate_data.id != crate_name {
failure!("Crate not found: {}", crate_name);
return None;
}
if crate_data.downloads < 1000 {
failure!("Crate: {}, downloaded less then 1,000, is: {}, max version: {}", crate_name, crate_data.downloads, crate_data.max_version);
} else if crate_data.downloads < 10000 {
warning!("Crate: {}, downloaded less then 10,000, is: {}, max version: {}", crate_name, crate_data.downloads, crate_data.max_version);
} else {
success!("Crate: {}, downloaded more then 10,000, is: {}, max version: {}", crate_name, crate_data.downloads, crate_data.max_version);
}
Some(c)
}