Add an event

5 years ago · c9f713390c
9 changed files with 459 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,4 @@
+/target
+events.toml
+.idea
+*.sw?
--- a/Cargo.lock
+++ b/Cargo.lock
@ -0,0 +1,231 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "ansi_term"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
+dependencies = [
+ "ansi_term",
+ "atty",
+ "bitflags",
+ "strsim",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1010591b26bbfe835e9faeabeb11866061cc7dcebffd56ad7d0942d0e61aefd8"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb147597cdf94ed43ab7a9038716637d2d1bf2bc571da995d0028dec06bd3018"
+
+[[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 = "proc-macro2"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c09721c6781493a2a492a96b5a5bf19b65917fe6728884e7c44dd0c60ca3435"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.1.56"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+
+[[package]]
+name = "serde"
+version = "1.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
+
+[[package]]
+name = "serde_derive"
+version = "1.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
+[[package]]
+name = "syn"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "123bd9499cfb380418d509322d7a6d52e5315f064fe4b3ad18a53d6b92c07859"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
+name = "time"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+dependencies = [
+ "libc",
+ "redox_syscall",
+ "winapi",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "tu"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "clap",
+ "serde",
+ "serde_derive",
+ "toml",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+
+[[package]]
+name = "vec_map"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
+
+[[package]]
+name = "winapi"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -0,0 +1,13 @@
+[package]
+name = "tu"
+description = "TimeUP!"
+version = "0.1.0"
+authors = ["Julio Biason <julio.biason@gmail.com>"]
+edition = "2018"
+
+[dependencies]
+chrono = "0.4.11"
+clap = "2.33.0"
+serde = "*"
+serde_derive = "*"
+toml = "0.5"
--- a/src/args/mod.rs
+++ b/src/args/mod.rs
@ -0,0 +1,75 @@
+use clap::crate_authors;
+use clap::crate_description;
+use clap::crate_name;
+use clap::crate_version;
+use clap::App;
+use clap::Arg;
+use clap::ArgMatches;
+use clap::SubCommand;
+
+mod validators;
+
+type Description = String;
+type Date = String;
+type Time = String;
+
+#[derive(Debug)]
+pub enum Action {
+    List,
+    Add(Description, Date),
+    AddWithTime(Description, Date, Time),
+}
+
+pub fn parse() -> Result<Action, ()> {
+    let params = App::new(crate_name!())
+        .version(crate_version!())
+        .author(crate_authors!())
+        .about(crate_description!())
+        .subcommand(
+            SubCommand::with_name("add")
+                .about("Add a new event")
+                .arg(
+                    Arg::with_name("date")
+                        .required(true)
+                        .takes_value(true)
+                        .validator(validators::date)
+                        .help("Date for the event, in YYYY-MM-DD format"),
+                )
+                .arg(
+                    Arg::with_name("description")
+                        .required(true)
+                        .takes_value(true)
+                        .help("Event description"),
+                )
+                .arg(
+                    Arg::with_name("time")
+                        .short("t")
+                        .long("time")
+                        .takes_value(true)
+                        .required(false)
+                        .validator(validators::time)
+                        .help("Time for the event"),
+                ),
+        );
+    let matches = params.get_matches();
+
+    match matches.subcommand() {
+        ("", _) => Ok(Action::List),
+        ("add", Some(arguments)) => parse_add(arguments),
+        (_, _) => Err(()),
+    }
+}
+
+fn parse_add(arguments: &ArgMatches) -> Result<Action, ()> {
+    let description = arguments.value_of("description").unwrap();
+    let date = arguments.value_of("date").unwrap();
+    if let Some(time) = arguments.value_of("time") {
+        Ok(Action::AddWithTime(
+            description.into(),
+            date.into(),
+            time.into(),
+        ))
+    } else {
+        Ok(Action::Add(description.into(), date.into()))
+    }
+}
--- a/src/args/validators.rs
+++ b/src/args/validators.rs
@ -0,0 +1,19 @@
+use chrono::prelude::*;
+
+pub fn date(input: String) -> Result<(), String> {
+    let fake_datetime = format!("{} 00:00:00", input);
+    if let Ok(_) = dbg!(Utc.datetime_from_str(&fake_datetime, "%Y-%m-%d %H:%M:%S")) {
+        Ok(())
+    } else {
+        Err(format!("Invalid date: '{}'", input))
+    }
+}
+
+pub fn time(input: String) -> Result<(), String> {
+    let fake_datetime = format!("2020-01-01 {}:00", input);
+    if let Ok(_) = dbg!(Utc.datetime_from_str(&fake_datetime, "%Y-%m-%d %H:%M:%S")) {
+        Ok(())
+    } else {
+        Err(format!("Invalid time: '{}'", input))
+    }
+}
--- a/src/eventlist/event.rs
+++ b/src/eventlist/event.rs
@ -0,0 +1,47 @@
+use chrono::prelude::*;
+use serde_derive::Deserialize;
+use serde_derive::Serialize;
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Date {
+    year: i32,
+    month: u32,
+    day: u32,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Time {
+    hour: u32,
+    min: u32,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(tag = "due", content = "datetime")]
+pub enum EventDateType {
+    AllDay(Date),
+    AtTime(Date, Time),
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Event {
+    description: String,
+    due: EventDateType,
+}
+
+impl Event {
+    pub fn new_on_date(description: &str, date: &str) -> Self {
+        let fake_datetime = format!("{} 00:00:00", date);
+        if let Ok(dt) = Utc.datetime_from_str(&fake_datetime, "%Y-%m-%d %H:%M:%S") {
+            Self {
+                description: description.into(),
+                due: EventDateType::AllDay(Date {
+                    year: dt.year(),
+                    month: dt.month(),
+                    day: dt.day(),
+                }),
+            }
+        } else {
+            panic!("Failed to parse the date");
+        }
+    }
+}
--- a/src/eventlist/eventlist.rs
+++ b/src/eventlist/eventlist.rs
@ -0,0 +1,42 @@
+use serde_derive::Deserialize;
+use serde_derive::Serialize;
+use std::fs::File;
+use std::io::{Read, Write};
+use toml;
+
+use crate::eventlist::event::Event;
+
+static FILENAME: &str = "events.toml";
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct EventList {
+    events: Vec<Event>,
+}
+
+impl EventList {
+    fn empty() -> Self {
+        Self { events: Vec::new() }
+    }
+
+    pub fn load() -> Self {
+        if let Ok(mut fp) = File::open(FILENAME) {
+            let mut content = String::new();
+            fp.read_to_string(&mut content)
+                .expect("Your event file is corrupted");
+            toml::from_str(&content).unwrap_or(EventList::empty())
+        } else {
+            EventList::empty()
+        }
+    }
+
+    pub fn push(&mut self, event: Event) {
+        self.events.push(event);
+    }
+
+    pub fn save(&self) {
+        let content = toml::to_string(&self).unwrap();
+        if let Ok(mut fp) = File::create(FILENAME) {
+            fp.write_all(content.as_bytes()).unwrap();
+        }
+    }
+}
--- a/src/eventlist/mod.rs
+++ b/src/eventlist/mod.rs
@ -0,0 +1,2 @@
+pub mod event;
+pub mod eventlist;
--- a/src/main.rs
+++ b/src/main.rs
@ -0,0 +1,26 @@
+mod args;
+mod eventlist;
+
+use crate::eventlist::event::Event;
+use crate::eventlist::eventlist::EventList;
+
+fn main() {
+    if let Ok(command) = dbg!(args::parse()) {
+        match command {
+            args::Action::List => list(),
+            args::Action::Add(description, date) => add_with_date(&description, &date),
+            _ => println!("Unknown command"),
+        }
+    }
+}
+
+fn list() {
+    unimplemented!()
+}
+
+fn add_with_date(description: &str, date: &str) {
+    let event = Event::new_on_date(description, date);
+    let mut event_list = dbg!(EventList::load());
+    event_list.push(event);
+    event_list.save();
+}