From b164f69c45db556a87020d85dbbaa48f1e2e1392 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sat, 7 Jan 2023 11:37:57 +0200
Subject: refactor: move RikiError::UnknownTimestamp to src/time.rs

Sponsored-by: author
---
 src/directive/meta.rs |  2 +-
 src/directive/mod.rs  |  3 +++
 src/error.rs          |  6 +++---
 src/time.rs           | 13 +++++++++----
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/directive/meta.rs b/src/directive/meta.rs
index 7524bef..974a955 100644
--- a/src/directive/meta.rs
+++ b/src/directive/meta.rs
@@ -32,7 +32,7 @@ impl DirectiveImplementation for Meta {
             meta.set_title(title.into());
         }
         if let Some(mtime) = &self.date {
-            meta.set_mtime(parse_timestamp(mtime).map_err(|e| DirectiveError::Riki(Box::new(e)))?);
+            meta.set_mtime(parse_timestamp(mtime)?);
         }
         Ok(Processed::Markdown("".into()))
     }
diff --git a/src/directive/mod.rs b/src/directive/mod.rs
index 4edda32..006e334 100644
--- a/src/directive/mod.rs
+++ b/src/directive/mod.rs
@@ -28,6 +28,9 @@ pub enum DirectiveError {
     #[error(transparent)]
     PageSpec(#[from] crate::pagespec::PageSpecError),
 
+    #[error(transparent)]
+    Time(#[from] crate::time::TimeError),
+
     #[error(transparent)]
     Riki(#[from] Box<crate::error::RikiError>),
 }
diff --git a/src/error.rs b/src/error.rs
index 7d5d2b5..845f08d 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -21,15 +21,15 @@ pub enum RikiError {
     #[error(transparent)]
     Parser(#[from] crate::parser::ParserError),
 
+    #[error(transparent)]
+    Time(#[from] crate::time::TimeError),
+
     #[error("string formatting error: {0}")]
     Format(#[source] std::fmt::Error),
 
     #[error("link to missing page {1} on {0}")]
     PageMissing(PathBuf, PathBuf),
 
-    #[error("failed to parse date: {0:?}")]
-    UnknownTimestamp(String),
-
     #[error("failed to process page {0}")]
     PageProblem(PathBuf, #[source] Box<Self>),
 
diff --git a/src/time.rs b/src/time.rs
index 98256b1..a9f3502 100644
--- a/src/time.rs
+++ b/src/time.rs
@@ -1,4 +1,3 @@
-use crate::error::RikiError;
 use log::trace;
 use std::time::{Duration, SystemTime};
 use time::{
@@ -9,7 +8,13 @@ use time::{
     OffsetDateTime, PrimitiveDateTime,
 };
 
-pub fn parse_timestamp(timestamp: &str) -> Result<SystemTime, RikiError> {
+#[derive(Debug, thiserror::Error)]
+pub enum TimeError {
+    #[error("failed to parse date: {0:?}")]
+    UnknownTimestamp(String),
+}
+
+pub fn parse_timestamp(timestamp: &str) -> Result<SystemTime, TimeError> {
     trace!("parsing timestamp {:?}", timestamp);
     let odt = parse(timestamp)?;
     let unix = odt.unix_timestamp();
@@ -24,7 +29,7 @@ fn system_time(unix: i64) -> SystemTime {
     SystemTime::UNIX_EPOCH.checked_add(offset).unwrap()
 }
 
-fn parse(timestamp: &str) -> Result<OffsetDateTime, RikiError> {
+fn parse(timestamp: &str) -> Result<OffsetDateTime, TimeError> {
     const SIMPLIFIED_ISO9601: &[FormatItem<'static>] =
         format_description!("[year]-[month]-[day] [hour]:[minute]:[second]");
     const SIMPLIFIED_ISO9601_MIN: &[FormatItem<'static>] =
@@ -51,7 +56,7 @@ fn parse(timestamp: &str) -> Result<OffsetDateTime, RikiError> {
     } else if let Ok(t) = parse_one_time_format(timestamp, "RFC2822", &Rfc2822) {
         Ok(t)
     } else {
-        Err(RikiError::UnknownTimestamp(timestamp.into()))
+        Err(TimeError::UnknownTimestamp(timestamp.into()))
     }
 }
 
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