3 files changed, 25 insertions, 16 deletions

diff --git a/README.md b/README.md
index 43eccf4..8f54d46 100644
--- a/README.md
+++ b/README.md
@@ -30,10 +30,10 @@ Run tests with:
 cargo test
 ```
 
-Get today’s events with:
+Show options:
 
 ```bash
-cargo run -- --list-today
+cargo run -- --help
 ```
 
 # TODO
diff --git a/src/cli/mod.rs b/src/cli/mod.rs
index 3674a08..aa54c08 100644
--- a/src/cli/mod.rs
+++ b/src/cli/mod.rs
@@ -1,13 +1,22 @@
 use anyhow::Result;
-use chrono::{Local, NaiveDate, NaiveDateTime, TimeZone};
+use chrono::{Local, NaiveDate, NaiveDateTime, TimeDelta, TimeZone};
 use rusqlite::Connection;
+use std::ops::{Add, Sub};
 
 use crate::model::event::Event;
 use crate::{db, model::event};
 
-pub fn today(conn: &Connection) -> Result<String> {
-    let today = Local::now().date_naive();
-    let events = between_inclusive(conn, today, today)?;
+pub fn parse_date(s: String) -> Option<NaiveDate> {
+    match s.as_str() {
+        "yesterday" => Some(Local::now().sub(TimeDelta::days(1)).date_naive()),
+        "today" => Some(Local::now().date_naive()),
+        "tomorrow" => Some(Local::now().add(TimeDelta::days(1)).date_naive()),
+        _ => NaiveDate::parse_from_str(&s, "%Y-%m-%d").ok(),
+    }
+}
+
+pub fn started_at_date(conn: &Connection, date: NaiveDate) -> Result<String> {
+    let events = between_inclusive(conn, date, date)?;
     Ok(format_events(events))
 }
 
diff --git a/src/main.rs b/src/main.rs
index 8eafd77..e61a771 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,11 +14,11 @@ struct Opt {
     #[clap(long = "database", default_value = "database.sqlite3")]
     db_path: String,
 
-    /// List today’s events as plain text
-    #[clap(long = "list-today")]
-    list_today: bool,
+    /// Started at events as plain text
+    #[clap(long = "date")]
+    date: Option<String>,
 
-    /// Start between <timestamp..timestamp> events as plain text
+    /// Started between <timestamp..timestamp> events as plain text
     #[clap(long = "start-between")]
     start_between: Option<String>,
 }
@@ -26,17 +26,17 @@ struct Opt {
 fn main() -> Result<()> {
     let Opt {
         db_path,
-        list_today,
+        date,
         start_between,
     } = Opt::parse();
     let conn = db::init(&db_path)?;
-    if list_today {
-        print!("{}", cli::today(&conn)?);
-    } else {
-        match start_between.and_then(cli::parse_timestamp_range) {
+
+    match date.and_then(cli::parse_date) {
+        Some(date) => print!("{}", cli::started_at_date(&conn, date)?),
+        None => match start_between.and_then(cli::parse_timestamp_range) {
             Some((from, to)) => print!("{}", cli::start_between(&conn, from, to)?),
             None => gui::run(conn),
-        }
+        },
     };
     Ok(())
 }