From 416128fb4c3d64b1561ca61a86f9d31491f3b59d Mon Sep 17 00:00:00 2001
From: Nora <nora.widdecke@tu-bs.de>
Date: Sun, 3 Feb 2019 22:16:57 +0100
Subject: add function to read sequence to khlines

---
 src/khline.rs  |  2 +-
 src/seqfile.rs | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/khline.rs b/src/khline.rs
index a1fb825..2cf6cac 100644
--- a/src/khline.rs
+++ b/src/khline.rs
@@ -7,7 +7,7 @@ use icalwrap::{IcalVCalendar,IcalVEvent,IcalTime};
 use utils::{fileutil,dateutil};
 use defaults;
 
-#[derive(PartialEq,Eq)]
+#[derive(PartialEq,Eq,Debug)]
 pub struct KhLine {
   pub path: PathBuf,
   time: Option<IcalTime>,
diff --git a/src/seqfile.rs b/src/seqfile.rs
index e2c2ddf..5994a33 100644
--- a/src/seqfile.rs
+++ b/src/seqfile.rs
@@ -2,7 +2,10 @@ use std::fs::rename;
 use std::io;
 
 use defaults::*;
+use khline::KhLine;
 use utils::fileutil;
+use KhResult;
+use errors::KhError;
 
 pub fn write_to_seqfile(lines: &str) -> io::Result<()> {
   let tmpfilename = get_datafile("tmpseq");
@@ -21,6 +24,14 @@ pub fn read_seqfile() -> io::Result<impl DoubleEndedIterator<Item = String>> {
   fileutil::read_lines_from_file(&seqfile)
 }
 
+pub fn read_seqfile_khlines() -> KhResult<impl DoubleEndedIterator<Item = KhLine>> {
+  read_seqfile()?
+    .map(|line| line.parse::<KhLine>())
+    .collect::<Result<Vec<KhLine>, String>>()
+    .map_err(KhError::from)
+    .map(|lines| lines.into_iter())
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;
@@ -40,6 +51,15 @@ mod tests {
     testdir.child(".khaleesi/seq").assert(predicate);
   }
 
+  #[test]
+  fn read_seqfile_khlines_test() {
+    let _testdir = prepare_testdir("testdir_with_seq");
+    let mut khlines = read_seqfile_khlines().unwrap();
+
+    let khline_expected = "1544740200 twodaysacrossbuckets.ics".parse::<KhLine>().unwrap();
+    assert_eq!(khline_expected, khlines.next().unwrap())
+  }
+
   #[test]
   fn write_to_seqfile_test() {
     let testdir = prepare_testdir("testdir");
-- 
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