ui: add manual_refresh, refresh_command settings

manual_refresh Ar boolean
  (optional) if true, do not monitor account for changes (shortcut listing.refresh)
  refresh_command Ar String
  (optional) command to execute when manually refreshing (shortcut listing.refresh)

meli.conf.5

@@ -53,7 +53,7 @@ is not a comment:
 The accepted regular expression is
 .Li ^\es*include\es*\&\\&\e"(\e\e.|[^\e"])+\e"\es*$
 .Sh SECTIONS
-The top level sections of the config are accounts, shortcuts, notifications, pager, composing, pgp, terminal.
+The top level sections of the config are accounts, shortcuts, notifications, pager, listing, composing, pgp, terminal.
 .Pp
 .Sy example configuration
 
@@ -138,6 +138,12 @@ plain:shows one row per mail, regardless of threading
 .It Ic read_only Ar boolean
 attempt to not make any changes to this account.
 .Pq Em false
+.It Ic manual_refresh Ar boolean
+(optional) if true, do not monitor account for changes (shortcut listing.refresh)
+.Pq Em false
+.It Ic refresh_command Ar String
+(optional) command to execute when manually refreshing (shortcut listing.refresh)
+.Pq Em None
 .It Ic cache_type Ar String
 (optional) choose which cache backend to use. Available options are 'none' and 'sqlite3'
 .Pq Em "sqlite3"
@@ -351,6 +357,14 @@ Go to next account.
 Start new mail draft in new tab
 .\" default value
 .Pq Em m
+.It Ic set_seen
+Set thread as seen.
+.\" default value
+.Pq Em n
+.It Ic refresh
+Manually request a folder refresh.
+.\" default value
+.Pq Em F5
 .It Ic search
 Search within list of e-mails.
 .\" default value
@@ -563,6 +577,21 @@ enable freedesktop-spec notifications. this is usually what you want
 .\" default value
 .Pq Em 80
 .El
+.Sh LISTING
+.Bl -tag -width 36n
+.It Ic context_lines Ar num
+(optional) number of context lines when going to next page. (Unimplemented)
+.\" default value
+.Pq Em 0
+.It Ic datetime_fmt Ar String
+(optional) datetime formatting passed verbatim to strftime(3).
+.\" default value
+.Pq Em \&%Y-\&%m-\&%d \&%T
+.It Ic recent_dates Ar Boolean
+(optional) Show recent dates as `X {minutes,hours,days} ago`, up to 7 days.
+.\" default value
+.Pq Em true
+.El
 .Sh TAGS
 .Bl -tag -width 36n
 .It Ic colours Ar hash table String[Color]

ui/src/components/mail/listing/compact.rs

@@ -591,7 +591,7 @@ impl CompactListing {
         subject.truncate_at_boundary(150);
         if thread_node.len() > 0 {
             EntryStrings {
-                date: DateString(ConversationsListing::format_date(thread_node)),
+                date: DateString(ConversationsListing::format_date(context, thread_node)),
                 subject: SubjectString(format!("{} ({})", subject, thread_node.len(),)),
                 flag: FlagString(format!(
                     "{}{}",
@@ -603,7 +603,7 @@ impl CompactListing {
             }
         } else {
             EntryStrings {
-                date: DateString(ConversationsListing::format_date(thread_node)),
+                date: DateString(ConversationsListing::format_date(context, thread_node)),
                 subject: SubjectString(subject),
                 flag: FlagString(format!(
                     "{}{}",

ui/src/components/mail/listing/conversations.rs

@@ -562,7 +562,7 @@ impl ConversationsListing {
         subject.truncate_at_boundary(150);
         if thread_node.len() > 0 {
             EntryStrings {
-                date: DateString(ConversationsListing::format_date(thread_node)),
+                date: DateString(ConversationsListing::format_date(context, thread_node)),
                 subject: SubjectString(format!("{} ({})", subject, thread_node.len(),)),
                 flag: FlagString(format!(
                     "{}{}",
@@ -574,7 +574,7 @@ impl ConversationsListing {
             }
         } else {
             EntryStrings {
-                date: DateString(ConversationsListing::format_date(thread_node)),
+                date: DateString(ConversationsListing::format_date(context, thread_node)),
                 subject: SubjectString(subject),
                 flag: FlagString(format!(
                     "{}{}",
@@ -890,28 +890,37 @@ impl ConversationsListing {
         }
     }
 
-    pub(super) fn format_date(thread_node: &ThreadNode) -> String {
+    pub(super) fn format_date(context: &Context, thread_node: &ThreadNode) -> String {
         let d = std::time::UNIX_EPOCH + std::time::Duration::from_secs(thread_node.date());
         let now: std::time::Duration = std::time::SystemTime::now()
             .duration_since(d)
             .unwrap_or_else(|_| std::time::Duration::new(std::u64::MAX, 0));
         match now.as_secs() {
-            n if n < 60 * 60 => format!(
+            n if context.settings.listing.recent_dates && n < 60 * 60 => format!(
                 "{} minute{} ago",
                 n / (60),
                 if n / 60 == 1 { "" } else { "s" }
             ),
-            n if n < 24 * 60 * 60 => format!(
+            n if context.settings.listing.recent_dates && n < 24 * 60 * 60 => format!(
                 "{} hour{} ago",
                 n / (60 * 60),
                 if n / (60 * 60) == 1 { "" } else { "s" }
             ),
-            n if n < 7 * 24 * 60 * 60 => format!(
+            n if context.settings.listing.recent_dates && n < 7 * 24 * 60 * 60 => format!(
                 "{} day{} ago",
                 n / (24 * 60 * 60),
                 if n / (24 * 60 * 60) == 1 { "" } else { "s" }
             ),
-            _ => melib::datetime::timestamp_to_string(thread_node.date(), Some("%Y-%m-%d %T")),
+            _ => melib::datetime::timestamp_to_string(
+                thread_node.date(),
+                context
+                    .settings
+                    .listing
+                    .datetime_fmt
+                    .as_ref()
+                    .map(String::as_str)
+                    .or(Some("%Y-%m-%d %T")),
+            ),
         }
     }
 

ui/src/conf.rs

@@ -31,6 +31,7 @@ pub mod pgp;
 pub mod tags;
 #[macro_use]
 pub mod shortcuts;
+mod listing;
 pub mod terminal;
 
 pub mod accounts;
@@ -41,6 +42,7 @@ pub use self::shortcuts::*;
 pub use self::tags::*;
 
 use self::default_vals::*;
+use self::listing::ListingSettings;
 use self::notifications::NotificationsSettings;
 use self::terminal::TerminalSettings;
 use crate::pager::PagerSettings;
@@ -68,6 +70,7 @@ macro_rules! split_command {
 #[derive(Default, Debug, Clone, Serialize, Deserialize)]
 pub struct MailUIConf {
     pub pager: Option<PagerSettings>,
+    pub listing: Option<ListingSettings>,
     pub notifications: Option<NotificationsSettings>,
     pub shortcuts: Option<Shortcuts>,
     pub composing: Option<ComposingSettings>,
@@ -114,6 +117,8 @@ pub struct FileAccount {
     cache_type: CacheType,
     #[serde(default)]
     pub manual_refresh: bool,
+    #[serde(default = "none")]
+    pub refresh_command: Option<String>,
     #[serde(flatten)]
     #[serde(deserialize_with = "extra_settings")]
     pub extra: HashMap<String, String>, /* use custom deserializer to convert any given value (eg bool, number, etc) to string */
@@ -230,6 +235,8 @@ pub struct FileSettings {
     #[serde(default)]
     pager: PagerSettings,
     #[serde(default)]
+    listing: ListingSettings,
+    #[serde(default)]
     notifications: NotificationsSettings,
     #[serde(default)]
     shortcuts: Shortcuts,
@@ -267,6 +274,7 @@ impl AccountConf {
 pub struct Settings {
     pub accounts: HashMap<String, AccountConf>,
     pub pager: PagerSettings,
+    pub listing: ListingSettings,
     pub notifications: NotificationsSettings,
     pub shortcuts: Shortcuts,
     pub tags: TagsSettings,
@@ -359,6 +367,7 @@ impl FileSettings {
                 folders,
                 extra,
                 manual_refresh,
+                refresh_command: _,
                 index_style: _,
                 cache_type: _,
             } = acc;
@@ -401,6 +410,7 @@ impl Settings {
         Ok(Settings {
             accounts: s,
             pager: fs.pager,
+            listing: fs.listing,
             notifications: fs.notifications,
             shortcuts: fs.shortcuts,
             tags: fs.tags,

ui/src/conf/accounts.rs

@@ -723,6 +723,18 @@ impl Account {
         None
     }
     pub fn refresh(&mut self, folder_hash: FolderHash) -> Result<()> {
+        if let Some(ref refresh_command) = self.settings.conf().refresh_command {
+            let parts = crate::split_command!(refresh_command);
+            let (cmd, args) = (parts[0], &parts[1..]);
+            std::process::Command::new(cmd)
+                .args(args)
+                .stdin(std::process::Stdio::null())
+                .stdout(std::process::Stdio::null())
+                .stderr(std::process::Stdio::piped())
+                .spawn()?;
+            return Ok(());
+        }
+
         let sender_ = self.sender.clone();
         let r = RefreshEventConsumer::new(Box::new(move |r| {
             sender_.send(ThreadEvent::from(r)).unwrap();

ui/src/conf/listing.rs

@@ -0,0 +1,41 @@
+/*
+ * meli - listing conf module
+ *
+ * Copyright 2020 Manos Pitsidianakis
+ *
+ * This file is part of meli.
+ *
+ * meli is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * meli 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with meli. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use super::default_vals::*;
+
+/// Settings for mail listings
+#[derive(Debug, Deserialize, Clone, Default, Serialize)]
+pub struct ListingSettings {
+    /// Number of context lines when going to next page.
+    /// Default: 0
+    #[serde(default = "zero_val")]
+    pub context_lines: usize,
+
+    /// Datetime formatting passed verbatim to strftime(3).
+    /// Default: %Y-%m-%d %T
+    #[serde(default = "none")]
+    pub datetime_fmt: Option<String>,
+
+    /// Show recent dates as `X {minutes,hours,days} ago`, up to 7 days.
+    /// Default: true
+    #[serde(default = "true_val")]
+    pub recent_dates: bool,
+}