From 537e1360bb26f02e70b26b63ff10bc738b7fd8fe Mon Sep 17 00:00:00 2001
From: Federico Terzi <freddy6896@gmail.com>
Date: Sat, 15 Aug 2020 18:11:23 +0200
Subject: [PATCH] Add offset parameter to date extension. Fix #311

---
 src/extension/date.rs | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/extension/date.rs b/src/extension/date.rs
index 918a1e9..98aa62b 100644
--- a/src/extension/date.rs
+++ b/src/extension/date.rs
@@ -1,7 +1,7 @@
 /*
  * This file is part of espanso.
  *
- * Copyright (C) 2019 Federico Terzi
+ * Copyright (C) 2019-2020 Federico Terzi
  *
  * espanso is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
  * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-use chrono::{DateTime, Local};
+use chrono::{DateTime, Local, Duration};
 use serde_yaml::{Mapping, Value};
 use std::collections::HashMap;
 use crate::extension::ExtensionResult;
@@ -36,7 +36,15 @@ impl super::Extension for DateExtension {
     }
 
     fn calculate(&self, params: &Mapping, _: &Vec<String>, _: &HashMap<String, ExtensionResult>) -> Option<ExtensionResult> {
-        let now: DateTime<Local> = Local::now();
+        let mut now: DateTime<Local> = Local::now();
+
+        // Compute the given offset
+        let offset = params.get(&Value::from("offset"));
+        if let Some(offset) = offset {
+            let seconds = offset.as_i64().unwrap_or_else(|| { 0 });
+            let offset = Duration::seconds(seconds);
+            now = now + offset;
+        }
 
         let format = params.get(&Value::from("format"));