feat: finish DateTime implementation

* format_time: formats the current DateTime to a string with a specified
  locale and timezone

Cargo.lock

@@ -324,6 +324,20 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "chrono_locale"
+version = "0.1.1"
+source = "git+https://github.com/0x5eal/chrono-locale.git?rev=ff1df09#ff1df090a1bc55574ffe2bb4c04014ba017c6f36"
+dependencies = [
+ "chrono",
+ "lazy_static",
+ "num-integer",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "walkdir",
+]
+
 [[package]]
 name = "clap"
 version = "4.3.21"
@@ -1093,6 +1107,7 @@ dependencies = [
  "async-compression",
  "async-trait",
  "chrono",
+ "chrono_locale",
  "clap",
  "console",
  "dialoguer",
@@ -1240,6 +1255,16 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.16"
@@ -1848,6 +1873,15 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -2527,6 +2561,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36df944cda56c7d8d8b7496af378e6b16de9284591917d307c9b4d313c44e698"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.1"

Cargo.toml

@@ -109,6 +109,7 @@ tokio-tungstenite = { version = "0.20", features = ["rustls-tls-webpki-roots"] }
 
 ### DATETIME
 chrono = "0.4.26"
+chrono_locale = { git = "https://github.com/0x5eal/chrono-locale.git", rev = "ff1df09" }
 
 ### CLI
 

src/lune/builtins/date_time.rs

@@ -1,5 +1,6 @@
 use chrono::prelude::*;
 use chrono::DateTime as ChronoDateTime;
+use chrono_locale::LocaleDate;
 use once_cell::sync::Lazy;
 
 // TODO: Proper error handling and stuff
@@ -160,33 +161,35 @@ impl DateTime {
 
     pub fn to_iso_date(&self) -> String {
         self.to_universal_time()
-            .to_string::<&str>(Timezone::UTC, None)
+            .to_string::<&str>(Timezone::UTC, None, None)
     }
 
-    // TODO: Implement localization
     // There seems to be only one localization crate for chrono,
     // which has been committed to last 5 years ago. Thus, this crate doesn't
-    // work with the version of chrono we're using. I'll be forking this crate
+    // work with the version of chrono we're using. I've forked the crate
-    // and making it compatible with our version of chrono for now.
+    // and have made it compatible with the latest version of chrono.
-    pub fn format_universal_time<T>(&self, fmt_str: T, locale: T) -> String
+
+    // TODO: Implement more locales for chrono-locale.
+    pub fn format_time<T>(&self, timezone: Timezone, fmt_str: T, locale: T) -> String
     where
         T: ToString,
     {
-        let format = fmt_str.to_string();
+        self.to_universal_time().to_string(
-
+            timezone,
-        self.to_universal_time()
+            Some(fmt_str.to_string()),
-            .to_string(Timezone::UTC, Some(format))
+            Some(locale.to_string()),
+        )
     }
 }
 
 pub struct DateTimeConstructor {
-    year: i32,
+    pub year: i32,
-    month: u32,
+    pub month: u32,
-    day: u32,
+    pub day: u32,
-    hour: u32,
+    pub hour: u32,
-    minute: u32,
+    pub minute: u32,
-    second: u32,
+    pub second: u32,
-    millisecond: u32,
+    pub millisecond: u32,
 }
 
 impl Default for DateTimeConstructor {
@@ -204,7 +207,7 @@ impl Default for DateTimeConstructor {
     }
 }
 
-enum Timezone {
+pub enum Timezone {
     UTC,
     Local,
 }
@@ -252,7 +255,7 @@ impl DateTimeConstructor {
         self
     }
 
-    fn to_string<T>(&self, timezone: Timezone, format: Option<T>) -> String
+    fn to_string<T>(&self, timezone: Timezone, format: Option<T>, locale: Option<T>) -> String
     where
         T: ToString,
     {
@@ -264,6 +267,14 @@ impl DateTimeConstructor {
             }
         });
 
+        let locale_lazy: Lazy<String, _> = Lazy::new(|| {
+            if let Some(locale) = locale {
+                locale.to_string()
+            } else {
+                "en".to_string()
+            }
+        });
+
         match timezone {
             Timezone::UTC => Utc
                 .with_ymd_and_hms(
@@ -275,7 +286,7 @@ impl DateTimeConstructor {
                     self.second,
                 )
                 .unwrap()
-                .format((*format_lazy).as_str())
+                .formatl((*format_lazy).as_str(), (*locale_lazy).as_str())
                 .to_string(),
             Timezone::Local => Local
                 .with_ymd_and_hms(
@@ -287,7 +298,7 @@ impl DateTimeConstructor {
                     self.second,
                 )
                 .unwrap()
-                .format((*format_lazy).as_str())
+                .formatl((*format_lazy).as_str(), (*locale_lazy).as_str())
                 .to_string(),
         }
     }