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use std::path::PathBuf;
use anyhow::Result;
use anyhow::Context;
use cursive::Cursive;
use cursive::Printer;
use cursive::Rect;
use cursive::View;
use cursive::XY;
use cursive::direction::Direction;
use cursive::view::Selector;
use cursive::event::Event;
use cursive::event::EventResult;
use cursive::views::ResizedView;
use cursive_table_view::TableView;
use cursive_table_view::TableViewItem;
use chrono::naive::NaiveDateTime;
pub struct MaillistView(TableView<MailListingData, MailListingColumn>);
impl MaillistView {
pub fn create_for(database_path: &PathBuf, query: &str, name: String) -> Result<Self> {
debug!("Getting '{}' from '{}'", query, database_path.display());
let items = notmuch::Database::open(database_path, notmuch::DatabaseMode::ReadOnly)
.context(format!("Opening database {}", database_path.display()))?
.create_query(query)
.context("Creating the search query")?
.search_messages()
.context(format!("Searching for messages with '{}'", query))?
.map(|msg| {
let mail_id = msg.id().to_string();
let tags = msg.tags().collect();
let date = NaiveDateTime::from_timestamp_opt(msg.date(), 0)
.map(|ndt| ndt.to_string())
.ok_or_else(|| {
error!("Failed to parse timestamp: {}", msg.date());
anyhow!("Failed to parse timestamp: {}", msg.date())
})
.context(format!("Getting the date of message {}", msg.id()))?;
let from = msg.header("From")
.context(format!("Reading Header field 'From' of {}", msg.id()))?
.map(|f| f.to_string())
.ok_or_else(|| {
error!("Failed to get From for {}", msg.id());
anyhow!("Failed to get From for {}", msg.id())
})
.context(format!("Getting the 'From' of message {}", msg.id()))?;
let to = msg.header("To")
.context(format!("Reading Header field 'To' of {}", msg.id()))?
.map(|c| c.to_string())
.unwrap_or_else(|| {
error!("Failed to get 'To:' field for {}, using default ''", msg.id());
String::from("")
});
let subject = msg.header("Subject")
.context(format!("Reading Header field 'Subject' of {}", msg.id()))?
.map(|s| s.to_string())
.ok_or_else(|| {
error!("Failed to get Subject for {}", msg.id());
anyhow!("Failed to get Subject for {}", msg.id())
})
.context(format!("Getting the subject of message {}", msg.id()))?;
Ok(MailListingData {
mail_id,
tags,
date,
from,
to,
subject,
})
})
.collect::<Result<Vec<_>>>()
.context(format!("Creating MaillinglistView for '{}' on {}", query, database_path.display()))?;
debug!("Found {} entries", items.len());
let tab = TableView::<MailListingData, MailListingColumn>::new()
.column(MailListingColumn::Date, "Date", |c| c.width(20))
.column(MailListingColumn::Tags, "Tags", |c| c.width(20))
.column(MailListingColumn::From, "From", |c| c)
.column(MailListingColumn::To, "To", |c| c)
.column(MailListingColumn::Subject, "Subject", |c| c)
.default_column(MailListingColumn::Date)
.items(items)
.selected_item(0)
.on_submit(move |siv: &mut Cursive, row: usize, _: usize| {
let mail_id = siv.call_on_name(&name, move |table: &mut ResizedView<TableView<MailListingData, MailListingColumn>>| {
table.get_inner_mut()
.borrow_item(row)
.map(|data| data.mail_id.clone())
});
// use the mail ID to get the whole thread and open it as a table item
});
Ok(MaillistView(tab))
}
}
impl View for MaillistView {
fn draw(&self, printer: &Printer) {
self.0.draw(printer)
}
fn layout(&mut self, xy: XY<usize>) {
self.0.layout(xy)
}
fn needs_relayout(&self) -> bool {
self.0.needs_relayout()
}
fn required_size(&mut self, constraint: XY<usize>) -> XY<usize> {
self.0.required_size(constraint)
}
fn on_event(&mut self, e: Event) -> EventResult {
self.0.on_event(e)
}
fn call_on_any<'a>(&mut self, s: &Selector, tpl: &'a mut (dyn FnMut(&mut (dyn View + 'static)) + 'a)) {
self.0.call_on_any(s, tpl);
}
fn focus_view(&mut self, s: &Selector) -> Result<(), ()> {
self.0.focus_view(s)
}
fn take_focus(&mut self, source: Direction) -> bool {
self.0.take_focus(source)
}
fn important_area(&self, view_size: XY<usize>) -> Rect {
self.0.important_area(view_size)
}
fn type_name(&self) -> &'static str {
self.0.type_name()
}
}
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub enum MailListingColumn {
Date,
Tags,
From,
To,
Subject,
}
#[derive(Clone, Debug)]
pub struct MailListingData {
mail_id: String,
tags: Vec<String>,
date: String,
from: String,
to: String,
subject: String,
}
impl TableViewItem<MailListingColumn> for MailListingData {
fn to_column(&self, column: MailListingColumn) -> String {
match column {
MailListingColumn::Date => self.date.clone(),
MailListingColumn::Tags => self.tags.join(", "),
MailListingColumn::From => self.from.clone(),
MailListingColumn::To => self.to.clone(),
MailListingColumn::Subject => self.subject.clone(),
}
}
fn cmp(&self, other: &Self, column: MailListingColumn) -> std::cmp::Ordering
where Self: Sized
{
match column {
MailListingColumn::Date => self.date.cmp(&other.date),
MailListingColumn::Tags => self.tags.cmp(&other.tags),
MailListingColumn::From => self.from.cmp(&other.from),
MailListingColumn::To => self.to.cmp(&other.to),
MailListingColumn::Subject => self.subject.cmp(&other.subject),
}
}
}
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