From 311c66a4b292b548d55bd9334249dab8479bd2dd Mon Sep 17 00:00:00 2001
From: Nora <nora.widdecke@tu-bs.de>
Date: Fri, 1 Mar 2019 17:48:44 +0100
Subject: use local timezone config

---
 src/bin/khaleesi.rs | 10 ++++++++++
 src/config.rs       | 28 +++++++++++++++++++++++++---
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/src/bin/khaleesi.rs b/src/bin/khaleesi.rs
index b1764ac..1d90e15 100644
--- a/src/bin/khaleesi.rs
+++ b/src/bin/khaleesi.rs
@@ -7,6 +7,8 @@ use khaleesi::KhResult;
 
 use structopt::StructOpt;
 
+use std::env;
+
 fn main() {
   let args = cli::CommandLine::from_args();
 
@@ -27,6 +29,8 @@ fn main() {
 
   let config = Config::read_config();
 
+  init_local_timezone(&config);
+
   let result = main_internal(&args, &config);
   if let Err(error) = result {
     error!("{}", error)
@@ -74,3 +78,9 @@ fn init_logger(verbose: u64) {
   //            3 => LevelFilter::Debug,
   //            _ => LevelFilter::Trace,
 }
+
+fn init_local_timezone(config: &Config) {
+  if let Some(local_tz_config) = &config.local_tz {
+    env::set_var("TZ", &local_tz_config.timezone);
+  }
+}
diff --git a/src/config.rs b/src/config.rs
index df96b12..083f5d2 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -9,7 +9,8 @@ use crate::utils::fileutil as utils;
 #[serde(default)]
 pub struct Config {
   pub calendars: HashMap<String,CalendarConfig>,
-  pub agenda: AgendaConfig
+  pub agenda: AgendaConfig,
+  pub local_tz: Option<LocalTZConfig>
 }
 
 #[derive(Deserialize,Debug,PartialEq)]
@@ -24,6 +25,11 @@ pub struct CalendarConfig {
   pub color: Option<u8>
 }
 
+#[derive(Deserialize,Debug,PartialEq)]
+pub struct LocalTZConfig {
+  pub timezone: String
+}
+
 impl Config {
   pub fn get_config_for_calendar(&self,  calendar_name: &str) -> Option<&CalendarConfig> {
     self.calendars.get(calendar_name)
@@ -48,6 +54,12 @@ impl CalendarConfig {
   }
 }
 
+impl LocalTZConfig {
+  pub fn get_local_tz(&self) -> String {
+    self.timezone.clone()
+  }
+}
+
 impl Default for AgendaConfig {
   fn default() -> Self {
     AgendaConfig {
@@ -60,8 +72,9 @@ impl Default for AgendaConfig {
 impl Default for Config {
   fn default() -> Self {
     Config {
-      calendars: HashMap::new(),
       agenda: AgendaConfig::default(),
+      calendars: HashMap::new(),
+      local_tz: None,
     }
   }
 }
@@ -92,7 +105,8 @@ mod tests {
       agenda: AgendaConfig {
         print_week_separator: true,
         print_empty_days: false
-      }
+      },
+      local_tz: None,
     };
 
     assert_eq!(expected, config);
@@ -106,4 +120,12 @@ mod tests {
 
     assert_eq!(Color::Fixed(81).style(), style);
   }
+
+  #[test]
+  fn test_get_local_tz() {
+    let config = LocalTZConfig { timezone: "Europe/Berlin".to_string() };
+    let tz = config.get_local_tz();
+
+    assert_eq!("Europe/Berlin".to_string(), tz);
+  }
 }
-- 
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