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use clap;
use log::info;
use std::io;
use std::time;
use users;
mod db;
mod logging;
mod posts;
fn main() {
let arg_matches = clap::App::new("clinte")
.version(clap::crate_version!())
.author("Ben Morrison (gbmor)")
.about("Command-line community notices system")
.subcommand(clap::SubCommand::with_name("post").about("Post a new notice"))
.subcommand(
clap::SubCommand::with_name("update")
.about("Update a notice you've posted")
.arg(clap::Arg::with_name("id").help("Numeric ID of the post")),
)
.subcommand(
clap::SubCommand::with_name("delete")
.about("Delete a notice you've posted")
.arg(clap::Arg::with_name("id").help("Numeric ID of the post")),
)
.get_matches();
let start = time::Instant::now();
logging::init();
info!("clinte starting up!");
println!("clinte v{}", clap::crate_version!());
println!("a community notices system");
println!();
let db = db::Conn::new();
info!("Startup completed in {:?}ms", start.elapsed().as_millis());
if arg_matches.subcommand_matches("post").is_some() {
info!("New post...");
post(&db);
} else if arg_matches.subcommand_matches("update").is_some() {
info!("Updating post ...");
update(&db);
} else if arg_matches.subcommand_matches("delete").is_some() {
info!("Deleting post");
delete(&db);
}
list_matches(&db);
}
// Make sure nobody encodes narsty characters
// into a message to negatively affect other
// users
fn str_to_utf8(str: &str) -> String {
str.chars()
.map(|c| {
let mut buf = [0; 4];
c.encode_utf8(&mut buf).to_string()
})
.collect::<String>()
}
fn list_matches(db: &db::Conn) {
let mut stmt = db.conn.prepare("SELECT * FROM posts").unwrap();
let out = stmt
.query_map(rusqlite::NO_PARAMS, |row| {
let id: u32 = row.get(0)?;
let title: String = row.get(1)?;
let author: String = row.get(2)?;
let body: String = row.get(3)?;
Ok(db::Post {
id,
title,
author,
body,
})
})
.unwrap();
let mut postvec = Vec::new();
out.for_each(|row| {
if let Ok(post) = row {
postvec.push(format!(
"{}. {} -> by {}\n{}\n\n",
post.id, post.title, post.author, post.body
));
}
});
for (i, e) in postvec.iter().enumerate() {
if (postvec.len() > 14 && i >= postvec.len() - 15) || postvec.len() < 15 {
print!("{}", e);
}
}
}
fn post(db: &db::Conn) {
let mut stmt = db
.conn
.prepare("INSERT INTO posts (title, author, body) VALUES (:title, :author, :body)")
.unwrap();
println!();
println!("Title of the new post: ");
let mut title = String::new();
io::stdin().read_line(&mut title).unwrap();
let title = str_to_utf8(title.trim());
let title = if title.len() > 30 {
&title[..30]
} else {
&title
};
println!();
println!("Body of the new post: ");
let mut body = String::new();
io::stdin().read_line(&mut body).unwrap();
let body = str_to_utf8(body.trim());
let body = if body.len() > 500 {
&body[..500]
} else {
&body
};
posts::new(&mut stmt, title, body).unwrap();
println!();
}
fn update(db: &db::Conn) {
let cur_user = users::get_current_username()
.unwrap()
.into_string()
.unwrap();
println!();
println!("ID number of your post to edit?");
let mut id_num_in = String::new();
io::stdin().read_line(&mut id_num_in).unwrap();
let id_num_in: u32 = id_num_in.trim().parse().unwrap();
let mut get_stmt = db
.conn
.prepare("SELECT * FROM posts WHERE id = :id")
.unwrap();
let row = get_stmt
.query_row_named(&[(":id", &id_num_in)], |row| {
let title: String = row.get(1).unwrap();
let author = row.get(2).unwrap();
let body = row.get(3).unwrap();
Ok(vec![title, author, body])
})
.unwrap();
if cur_user != row[1] {
println!();
println!("Username mismatch - can't update post!");
return;
}
let mut new_title = String::new();
let mut new_body = String::new();
println!("Updating post {}", id_num_in);
println!();
println!("Title: {}\n\nBody: {}", row[0], row[2]);
println!();
println!("Enter new title:");
io::stdin().read_line(&mut new_title).unwrap();
println!();
println!("Enter new body:");
io::stdin().read_line(&mut new_body).unwrap();
println!();
posts::update(&new_title, &new_body, id_num_in, &db).unwrap();
}
fn delete(db: &db::Conn) {
let cur_user = users::get_current_username()
.unwrap()
.into_string()
.unwrap();
println!();
println!("ID of the post to delete?");
let mut id_num_in = String::new();
io::stdin().read_line(&mut id_num_in).unwrap();
let id_num_in: u32 = id_num_in.trim().parse().unwrap();
println!();
let del_stmt = format!("DELETE FROM posts WHERE id = {}", id_num_in);
let get_stmt = format!("SELECT * FROM posts WHERE id = {}", id_num_in);
let mut get_stmt = db.conn.prepare(&get_stmt).unwrap();
let mut del_stmt = db.conn.prepare(&del_stmt).unwrap();
let user_in_post: String = get_stmt
.query_row(rusqlite::NO_PARAMS, |row| row.get(2))
.unwrap();
if cur_user != user_in_post {
println!("Users don't match. Can't delete!");
println!();
return;
}
posts::exec_stmt_no_params(&mut del_stmt).unwrap();
}
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