Print opening times in local time

Cargo.lock

@@ -1516,6 +1516,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.29.0"
@@ -2391,8 +2400,12 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a561bf4617eebd33bca6434b988f39ed798e527f51a1e797d0ee4f61c0a38376"
 dependencies = [
+ "itoa",
+ "libc",
+ "num_threads",
  "serde",
  "time-core",
+ "time-macros",
 ]
 
 [[package]]
@@ -2401,6 +2414,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
 
+[[package]]
+name = "time-macros"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d967f99f534ca7e495c575c62638eebc2898a8c84c119b89e250477bc4ba16b2"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"

Cargo.toml

@@ -18,7 +18,7 @@ reqwest = { version = "0.11.12", features = ["json"] }
 serde = { version = "1.0.147", features = ["derive"] }
 spaceapi = "0.8.1"
 thiserror = "1.0.37"
-time = "0.3.17"
+time = { version = "0.3.17", features = ["local-offset", "formatting", "macros"] }
 tokio = { version = "1.21.2", features = ["full"] }
 toml = "0.5.9"
 url = { version = "2.3.1", features = ["serde"] }

src/bot.rs

@@ -25,7 +25,7 @@ use matrix_sdk::{
 use never_say_never::Never;
 use reqwest::Url;
 use serde::Deserialize;
-use time::OffsetDateTime;
+use time::{ext::NumericalDuration, macros::format_description, OffsetDateTime, UtcOffset};
 use tokio::time::sleep;
 use tracing::{event, instrument, span, Level};
 
@@ -228,8 +228,22 @@ impl Bot {
             "isitopen" => {
                 match self.update_open_state().await? {
                     OpenState::Open { since } => {
+                        if let Ok(offset) = UtcOffset::current_local_offset() {
+                            let since = since.to_offset(offset);
+
+                            let s = if OffsetDateTime::now_utc() - since > 20.hours() {
+                                since.format(format_description!(
+                                    "[year]-[month]-[day] [hour]:[minute]:[second]"
+                                ))?
+                            } else {
+                                since.format(format_description!("[hour]:[minute]:[second]"))?
+                            };
+
+                            reply(&format!("positive! space has been open since {s}")).await?
+                        } else {
                             reply(&format!("positive! space has been open since {since}")).await?
                         }
+                    }
                     OpenState::Closed => reply("negative!").await?,
                 };
             }