From d0bb1ac385d1e81c07317f3148c4e2e6ddae3cfd Mon Sep 17 00:00:00 2001
From: Ruben Pollan
Date: Mon, 10 Dec 2018 16:16:28 +0100
Subject: Pretty print events

---
 Cargo.lock  | 10 ++++++++++
 Cargo.toml  |  1 +
 src/date.rs | 18 ++++++++++++++++++
 src/main.rs | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 82 insertions(+), 1 deletion(-)

diff --git a/Cargo.lock b/Cargo.lock
index 6335f17..e9f2f77 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12,6 +12,7 @@ version = "0.1.0"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono-tz 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "colored 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ical 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -66,6 +67,14 @@ dependencies = [
  "parse-zoneinfo 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "colored"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "either"
 version = "1.5.0"
@@ -226,6 +235,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
 "checksum chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "45912881121cb26fad7c38c17ba7daa18764771836b34fab7d3fbd93ed633878"
 "checksum chrono-tz 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44420a821d3075c6b4dcdba557104274a240b5b6e323dc17136507e96ca2db59"
+"checksum colored 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc0a60679001b62fb628c4da80e574b9645ab4646056d7c9018885efffe45533"
 "checksum either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3be565ca5c557d7f59e7cfcf1844f9e3033650c929c6566f511e8005f205c1d0"
 "checksum error-chain 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d9435d864e017c3c6afeac1654189b06cdb491cf2ff73dbf0d73b0f292f42ff8"
 "checksum ical 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a985f921bf84e6d00286f0f41363e2d39978370d8d8868c114002d863c27094f"
diff --git a/Cargo.toml b/Cargo.toml
index 6f5bdb3..4efc2cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ authors = ["meskio <meskio@sindominio.net>"]
 chrono = "0.4"
 chrono-tz = "0.5"
 itertools = "0.7"
+colored = "1.6"
 
 [dependencies.ical]
 version = "0.5.*"
diff --git a/src/date.rs b/src/date.rs
index 45a0c28..a4559e7 100644
--- a/src/date.rs
+++ b/src/date.rs
@@ -61,6 +61,24 @@ impl Date {
         Ok(date)
     }
 
+    pub fn format(&self, fmt: &str) -> String {
+        match *self {
+            Date::Time(t) => t.format(fmt).to_string(),
+            Date::AllDay(d) => d.format(fmt).to_string(),
+        }
+    }
+
+    pub fn same_day(&self, other: &Date) -> bool {
+        self.day() == other.day() && self.month() == other.month() && self.year() == self.year()
+    }
+
+    pub fn day(&self) -> u32 {
+        match *self {
+            Date::Time(t) => t.day(),
+            Date::AllDay(d) => d.day(),
+        }
+    }
+
     pub fn month(&self) -> u32 {
         match *self {
             Date::Time(t) => t.month(),
diff --git a/src/main.rs b/src/main.rs
index 013d744..707b814 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,14 +1,17 @@
 extern crate almanac;
 extern crate itertools;
+extern crate colored;
 
 use std::env;
 use std::io::BufReader;
 use std::fs::File;
 use itertools::Itertools;
+use colored::*;
 
 use almanac::Calendar;
 use almanac::Date;
 use almanac::Duration;
+use almanac::Event;
 
 fn main() {
     let mut args = env::args().skip(1);
@@ -22,8 +25,30 @@ fn main() {
         .skip_while(|e| e.end_date() < first)
         .take_while(|e| e.start <= last);
 
+    let mut day = Date::new();
+    let mut unfinish = vec![];
     for event in events {
-        println!("{}", event);
+        if !day.same_day(&event.start) {
+            if !unfinish.is_empty() {
+                while !day.same_day(&event.start) {
+                    day = day + Duration::days(1);
+                    print_day(day);
+                    for (i, event) in unfinish.clone().iter().enumerate() {
+                        print_event(event);
+                        if event.end_date() <= day + Duration::days(1) {
+                            unfinish.remove(i);
+                        }
+                    }
+                }
+            } else {
+                day = event.start.clone();
+                print_day(day);
+            }
+        }
+        print_event(&event);
+        if event.end_date() > event.start + Duration::days(1) {
+            unfinish.push(event);
+        }
     }
 }
 
@@ -44,3 +69,30 @@ fn ics_calendar(file_path: &str) -> Calendar {
     let buf = BufReader::new(file);
     Calendar::parse(buf).unwrap()
 }
+
+fn print_day(date: Date) {
+    println!("\n{}", date.format("%a %b %e %Y").green().bold())
+}
+
+fn print_event(event: &Event) {
+    let start = match event.start {
+        Date::Time(_) => event.start.format("%R"),
+        Date::AllDay(_) => "-----".to_string(),
+    };
+    let end = match event.end_date() {
+        Date::Time(_) => event.end_date().format("%R"),
+        Date::AllDay(_) => "-----".to_string(),
+    };
+
+    println!(
+        "    {}-{} {} {}",
+        start.yellow(),
+        end.yellow(),
+        event.summary,
+        event.location.purple()
+    );
+
+    if !event.description.is_empty() {
+        println!("    {} {}", " ".repeat(11), event.description.cyan());
+    }
+}
-- 
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