Add support for format in configuration for imag-mail-list

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 87 insertions, 0 deletions

diff --git a/bin/domain/imag-mail/src/util.rs b/bin/domain/imag-mail/src/util.rs
new file mode 100644
index 00000000..77d6b5a5
--- /dev/null
+++ b/bin/domain/imag-mail/src/util.rs
@@ -0,0 +1,87 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015-2020 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
+//
+
+use std::collections::BTreeMap;
+
+use clap::ArgMatches;
+use failure::Error;
+use failure::Fallible as Result;
+use failure::err_msg;
+use handlebars::Handlebars;
+use toml_query::read::TomlValueReadTypeExt;
+
+use libimagmail::mail::Mail;
+use libimagrt::runtime::Runtime;
+use libimagstore::store::FileLockEntry;
+use libimagentryref::reference::Config as RefConfig;
+
+pub fn get_mail_print_format(config_value_path: &'static str, rt: &Runtime, scmd: &ArgMatches) -> Result<Handlebars> {
+    let fmt = match scmd.value_of("format").map(String::from) {
+        Some(s) => Ok(s),
+        None => {
+            rt.config()
+                .ok_or_else(|| err_msg("No configuration file"))?
+                .read_string(config_value_path)
+                .map_err(Error::from)?
+                .ok_or_else(|| format_err!("Configuration '{}' does not exist", config_value_path))
+        }
+    }?;
+
+    let mut hb = Handlebars::new();
+    hb.register_template_string("format", fmt)?;
+
+    hb.register_escape_fn(::handlebars::no_escape);
+    ::libimaginteraction::format::register_all_color_helpers(&mut hb);
+    ::libimaginteraction::format::register_all_format_helpers(&mut hb);
+    Ok(hb)
+}
+
+pub fn build_data_object_for_handlebars(i: usize, m: &FileLockEntry, refconfig: &RefConfig) -> Result<BTreeMap<&'static str, String>> {
+    let mut data = BTreeMap::new();
+
+    data.insert("i", format!("{}", i));
+
+    let id = match m.get_message_id(refconfig)? {
+        Some(f) => f.into(),
+        None => "<no id>".to_owned(),
+    };
+
+    let from = match m.get_from(refconfig)? {
+        Some(f) => f,
+        None => "<no from>".to_owned(),
+    };
+
+    let to = match m.get_to(refconfig)? {
+        Some(f) => f,
+        None => "<no to>".to_owned(),
+    };
+
+    let subject = match m.get_subject(refconfig)? {
+        Some(f) => f,
+        None => "<no subject>".to_owned(),
+    };
+
+    data.insert("id"      , id);
+    data.insert("from"    , from);
+    data.insert("to"      , to);
+    data.insert("subject" , subject);
+
+    Ok(data)
+}
+