Seperate time from snowflake, add internal new_snowflake func, and make Snowflake.created_at() milisecond sensitive

src/snowflake.v

@@ -2,24 +2,11 @@ module bonfire
 
 import time
 
-// Time is a time.Time that can be formatted as a Discord timestamp.
-pub type Time = time.Time
+const discord_epoch_ms = 1420070400000
 
-// TimeFormat is an enum of all possible Discord timestamp formats.
-pub enum TimeFormat as u8 {
-	short_time = u8(`t`) // 21:27
-	long_time = u8(`T`) // 21:27:42
-	short_date = u8(`d`) // 4/12/2022
-	long_date = u8(`D`) // 4 December 2022
-	short_date_time = u8(`f`) // 4 December 2022 21:27
-	long_date_time = u8(`F`) // Sunday, 4 December 2022 21:27
-	relative = u8(`R`) // 2 days ago, Now, etc.
-}
-
-// format returns a Discord representation of the time in the given format.
-[inline]
-pub fn (t Time) format(format TimeFormat) string {
-	return '<t:${t.unix}:${rune(format)}>'
+// new_snowflake returns a snowflake ID from the given unix timestamp (in seconds).
+fn new_snowflake(unix u64) Snowflake {
+	return ((unix*1000 - discord_epoch_ms)) << 22
 }
 
 // Snowflake is a Discord snowflake ID. It holds the time the
@@ -27,10 +14,12 @@ pub fn (t Time) format(format TimeFormat) string {
 // the ID of the process that created it, and a sequence number.
 pub type Snowflake = u64
 
-// created_at returns the time the Snowflake was created at.
+// created_at returns the Time the Snowflake was created at.
 [inline]
 pub fn (s Snowflake) created_at() Time {
-	return time.unix(i64(((s >> 22) + 1420070400000) / 1000))
+	created_ms := i64((s >> 22) + discord_epoch_ms)
+	microseconds := (created_ms % 1000) * 1000
+	return time.unix2(created_ms / 1000, microseconds)
 }
 
 // worker_id returns the ID of the worker that created the Snowflake.

src/snowflake_test.v

@@ -1,16 +1,5 @@
 module bonfire
 
-fn test_time_format() {
-	time := Snowflake(512640455834337290).created_at()
-	assert time.format(.short_time) == '<t:1542293409:t>'
-	assert time.format(.long_time) == '<t:1542293409:T>'
-	assert time.format(.short_date) == '<t:1542293409:d>'
-	assert time.format(.long_date) == '<t:1542293409:D>'
-	assert time.format(.short_date_time) == '<t:1542293409:f>'
-	assert time.format(.long_date_time) == '<t:1542293409:F>'
-	assert time.format(.relative) == '<t:1542293409:R>'
-}
-
 fn test_snowflake() {
 	snowflake_0 := Snowflake(512640455834337290)
 	assert snowflake_0.created_at().unix == 1542293409

src/time.v

@@ -0,0 +1,23 @@
+module bonfire
+
+import time
+
+// Time is a time.Time that can be formatted as a Discord timestamp.
+pub type Time = time.Time
+
+// TimeFormat is an enum of all possible Discord timestamp formats.
+pub enum TimeFormat as u8 {
+	short_time = u8(`t`) // 21:27
+	long_time = u8(`T`) // 21:27:42
+	short_date = u8(`d`) // 4/12/2022
+	long_date = u8(`D`) // 4 December 2022
+	short_date_time = u8(`f`) // 4 December 2022 21:27
+	long_date_time = u8(`F`) // Sunday, 4 December 2022 21:27
+	relative = u8(`R`) // 2 days ago, Now, etc.
+}
+
+// format returns a Discord representation of the time in the given format.
+[inline]
+pub fn (t Time) format(format TimeFormat) string {
+	return '<t:${t.unix}:${rune(format)}>'
+}

src/time_test.v

@@ -0,0 +1,14 @@
+module bonfire
+
+import time
+
+fn test_time_format() {
+	time := Time(time.unix(512640455834337290))
+	assert time.format(.short_time) == '<t:1542293409:t>'
+	assert time.format(.long_time) == '<t:1542293409:T>'
+	assert time.format(.short_date) == '<t:1542293409:d>'
+	assert time.format(.long_date) == '<t:1542293409:D>'
+	assert time.format(.short_date_time) == '<t:1542293409:f>'
+	assert time.format(.long_date_time) == '<t:1542293409:F>'
+	assert time.format(.relative) == '<t:1542293409:R>'
+}