logger: Add warn!, error! and info!

Cargo.lock

@@ -68,6 +68,17 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "chrono"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80094f509cf8b5ae86a4966a39b3ff66cd7e2a3e594accec3743ff3fabeab5b2"
+dependencies = [
+ "num-integer",
+ "num-traits",
+ "time",
+]
+
 [[package]]
 name = "clap"
 version = "2.33.0"
@@ -83,6 +94,17 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "colored"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f4ffc801dacf156c5854b9df4f425a626539c3a6ef7893cc0c5084a23f0b6c59"
+dependencies = [
+ "atty",
+ "lazy_static",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.7.0"
@@ -616,6 +638,25 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
+[[package]]
+name = "num-integer"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.12.0"
@@ -1133,6 +1174,8 @@ dependencies = [
 name = "suckit"
 version = "0.1.0"
 dependencies = [
+ "chrono",
+ "colored",
  "kuchiki",
  "pretty_assertions",
  "reqwest",

Cargo.toml

@@ -11,3 +11,5 @@ structopt = "0.3"
 reqwest = { version = "0.10", features = ["blocking"] }
 pretty_assertions = "0.6"
 kuchiki = "0.8"
+colored = "1.9"
+chrono = "0.4"

src/logger.rs

@@ -0,0 +1,41 @@
+use colored::*;
+use chrono::Local;
+
+/// Time formatting string used in the call to Local::now()
+/// Outputs the following:
+///     <YEAR>-<MONTH>-<DAY>T<HOUR>:<MINUTES>:<SECONDS>
+static TIME_FORMAT: &str = "%Y-%m-%dT%H:%M:%S";
+
+/// Write a message using the following format
+/// <TIME_FORMAT>: [<header>] <message>
+pub struct Logger {
+}
+
+impl Logger {
+    pub fn info(message: String) {
+        println!("{}: [{}] {}", Local::now().format(TIME_FORMAT), "INFO".blue(), message);
+    }
+
+    pub fn warn(message: String) {
+        println!("{}: [{}] {}", Local::now().format(TIME_FORMAT), "WARN".yellow(), message);
+    }
+
+    pub fn error(message: String) {
+        eprintln!("{}: [{}] {}", Local::now().format(TIME_FORMAT), "ERROR".red(), message);
+    }
+}
+
+#[macro_export]
+macro_rules! info {
+    ($($arg: tt)*) => ($crate::logger::Logger::info(format!($($arg)*)));
+}
+
+#[macro_export]
+macro_rules! warn {
+    ($($arg: tt)*) => ($crate::logger::Logger::warn(format!($($arg)*)));
+}
+
+#[macro_export]
+macro_rules! error {
+    ($($arg: tt)*) => ($crate::logger::Logger::error(format!($($arg)*)));
+}

src/main.rs

@@ -3,6 +3,7 @@ mod disk;
 mod dom;
 mod downloader;
 mod scraper;
+mod logger;
 
 use scraper::Scraper;
 
@@ -11,5 +12,10 @@ fn main() {
 
     let mut scraper = Scraper::new(args);
 
+    info!("Hey there, suckit speaking");
+    warn!("Start sucking");
+
     scraper.run();
+
+    error!("sucking complete !");
 }