From 36cd29b459bb41bff1cf6d079fd30100bd89cec1 Mon Sep 17 00:00:00 2001
From: Joris
Date: Sat, 20 Jan 2024 22:08:44 +0100
Subject: Allow to specify week of month for repetition

---
 src/model/repetition.rs | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

(limited to 'src/model/repetition.rs')

diff --git a/src/model/repetition.rs b/src/model/repetition.rs
index 360cf5f..07fc4d4 100644
--- a/src/model/repetition.rs
+++ b/src/model/repetition.rs
@@ -19,7 +19,7 @@ pub enum Frequency {
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
 pub enum DayOfMonth {
     Day { day: u8 },
-    Weekday { weekday: Weekday },
+    Weekday { week: u8, day: Weekday },
 }
 
 pub fn validate_period(str: &str) -> Result<u32, String> {
@@ -74,10 +74,10 @@ impl Repetition {
                 None => vec![],
             },
             Frequency::Monthly {
-                day: DayOfMonth::Weekday { weekday },
+                day: DayOfMonth::Weekday { week, day },
             } => repeat(
-                first_weekday_of_month(event, weekday),
-                Box::new(|d| first_weekday_of_month(next_month(d), weekday)),
+                day_of_month(event, week, day),
+                Box::new(|d| day_of_month(next_month(d), week, day)),
             ),
             Frequency::Yearly => repeat(
                 // TODO: error handling
@@ -97,9 +97,9 @@ impl Repetition {
     }
 }
 
-fn first_weekday_of_month(date: NaiveDate, weekday: Weekday) -> NaiveDate {
+fn day_of_month(date: NaiveDate, week: u8, day: Weekday) -> NaiveDate {
     // TODO: error handling
-    NaiveDate::from_weekday_of_month_opt(date.year(), date.month(), weekday, 1).unwrap()
+    NaiveDate::from_weekday_of_month_opt(date.year(), date.month(), day, week).unwrap()
 }
 
 fn next_month(date: NaiveDate) -> NaiveDate {
@@ -177,7 +177,8 @@ mod tests {
     fn weekday_of_month() {
         let repetition = from_freq(Frequency::Monthly {
             day: DayOfMonth::Weekday {
-                weekday: Weekday::Tue,
+                week: 1,
+                day: Weekday::Tue,
             },
         });
         assert_eq!(
@@ -228,7 +229,8 @@ mod tests {
         let repetition = Repetition {
             frequency: Frequency::Monthly {
                 day: DayOfMonth::Weekday {
-                    weekday: Weekday::Fri,
+                    week: 1,
+                    day: Weekday::Fri,
                 },
             },
             removed_occurences: HashSet::from([1, 2, 3]),
-- 
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