From 2f83424ce8a0653e6e158318df1511daecf1a42d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julian=20J=C3=B8rgensen?= <julian@jtle.dk>
Date: Fri, 24 May 2024 21:30:23 +0200
Subject: Time format rework

---
 model.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 4 deletions(-)

(limited to 'model.go')

diff --git a/model.go b/model.go
index 0f52ef9..b6d5c79 100644
--- a/model.go
+++ b/model.go
@@ -1,11 +1,62 @@
 package main
 
-import "time"
+import (
+	"errors"
+	"regexp"
+	"time"
+)
 
-type Task struct {
+type Entry struct {
 	Id      int
-	From    *time.Time
-	To      *time.Time
+	Date    time.Time
+	From    *Time
+	To      *Time
 	Tag     *string
 	Comment string
 }
+
+type Date string
+
+type Time string
+
+var timeMatch = regexp.MustCompile("\\d\\d:\\d\\d")
+var dateMatch = regexp.MustCompile("\\d\\d\\d\\d-\\d\\d-\\d\\d")
+
+var (
+	ErrInvalidTime = errors.New("Invalid time string")
+	ErrInvalidDate = errors.New("Invalid date string")
+)
+
+func TimeFromStd(time time.Time) Time {
+	return Time(time.Format("15:04"))
+}
+
+func TimeFromString(str string) (*Time, error) {
+	if str == "" {
+		return nil, nil
+	}
+
+	matched := timeMatch.MatchString(str)
+	if !matched {
+		return nil, ErrInvalidTime
+	}
+	time := Time(str)
+	return &time, nil
+}
+
+func DateFromStd(time time.Time) Date {
+	return Date(time.Format("2006-01-02"))
+}
+
+func DateFromString(str string) (*Date, error) {
+	if str == "" {
+		return nil, nil
+	}
+
+	matched := dateMatch.MatchString(str)
+	if !matched {
+		return nil, ErrInvalidTime
+	}
+	date := Date(str)
+	return &date, nil
+}
-- 
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