1 files changed, 64 insertions, 0 deletions
diff --git a/lib/domain/libimagdiary/src/viewer.rs b/lib/domain/libimagdiary/src/viewer.rs
new file mode 100644
index 00000000..93b155a7
--- /dev/null
+++ b/lib/domain/libimagdiary/src/viewer.rs
@@ -0,0 +1,64 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; version
+// 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+
+//! A diary viewer built on libimagentryview.
+
+use entry::Entry;
+use error::DiaryErrorKind as DEK;
+use error::MapErrInto;
+use result::Result;
+
+use libimagentryview::viewer::Viewer;
+use libimagentryview::builtin::plain::PlainViewer;
+
+/// This viewer does _not_ implement libimagentryview::viewer::Viewer because we need to be able to
+/// call some diary-type specific functions on the entries passed to this.
+///
+/// This type is mainly just written to be constructed-called-deleted in one go:
+///
+/// ```ignore
+/// DiaryViewer::new(show_header).view_entries(entries);
+/// ```
+///
+pub struct DiaryViewer(PlainViewer);
+
+impl DiaryViewer {
+
+    pub fn new(show_header: bool) -> DiaryViewer {
+        DiaryViewer(PlainViewer::new(show_header))
+    }
+
+    /// View all entries from the iterator, or stop immediately if an error occurs, returning that
+    /// error.
+    pub fn view_entries<'a, I: Iterator<Item = Entry<'a>>>(&self, entries: I) -> Result<()> {
+        for entry in entries {
+            let id = entry.diary_id();
+            println!("{} :\n", id);
+            let _ = try!(self.0
+                         .view_entry(&entry)
+                         .map_err_into(DEK::ViewError)
+                         .map_err_into(DEK::IOError));
+            println!("\n---\n");
+        }
+
+        Ok(())
+    }
+
+}
+