toru/src/list.rs
2022-09-10 15:14:47 +10:00

302 lines
11 KiB
Rust

use crate::args;
use crate::error;
use crate::state;
use crate::tasks;
use crate::format;
use std::cmp;
use std::path;
use std::collections::HashSet;
use chrono::SubsecRound;
impl args::ListOptions {
/// Combines list options coming from a profile and from the additional arguments given. Order
/// of the arguments provided matters, hence the argument names (because optional arguments
/// from the profile are overwritten by the additional arguments).
pub fn combine(profile : &Self, additional : &Self) -> Self {
/// Joins two vectors together one after the other, creating a new allocation.
fn concat<T : Clone>(a : &Vec<T>, b : &Vec<T>) -> Vec<T> {
let mut a = a.clone();
a.extend(b.iter().cloned());
a
}
/// Takes two options, and prioritises the second if it is provided in the output, using
/// the first as a fallback, and returning None if both are None.
fn join_options<T : Clone>(a : &Option<T>, b : &Option<T>) -> Option<T> {
match (a, b) {
(Some(_), Some(b)) => Some(b.clone()),
(Some(a), None) => Some(a.clone()),
(None, Some(b)) => Some(b.clone()),
(None, None) => None,
}
}
Self {
column : concat(&profile.column, &additional.column),
order_by : join_options(&profile.order_by, &additional.order_by),
order : join_options(&profile.order, &profile.order),
tag : concat(&profile.tag, &additional.tag),
exclude_tag : concat(&profile.exclude_tag, &additional.exclude_tag),
priority : concat(&profile.priority, &additional.priority),
due_before : join_options(&profile.due_before, &additional.due_before),
due_after : join_options(&profile.due_after, &additional.due_after),
created_before : join_options(&profile.created_before, &additional.created_before),
created_after : join_options(&profile.created_after, &additional.created_after),
include_completed : profile.include_completed || additional.include_completed,
no_dependencies : profile.no_dependencies || additional.no_dependencies,
no_dependents : profile.no_dependents || additional.no_dependents,
}
}
}
/// Lists all tasks in the specified vault.
pub fn list(mut options : args::ListOptions, vault_folder : &path::Path, state : &state::State) -> Result<(), error::Error> {
let mut table = comfy_table::Table::new();
table
.load_preset(comfy_table::presets::UTF8_FULL)
.apply_modifier(comfy_table::modifiers::UTF8_ROUND_CORNERS)
.set_content_arrangement(comfy_table::ContentArrangement::Dynamic);
let mut tasks : Box<dyn Iterator<Item = tasks::Task>> = Box::new(tasks::Task::load_all(vault_folder, true)?.into_iter());
// Filter the tasks.
if let Some(date) = options.created_before {
tasks = Box::new(tasks.filter(move |t| t.data.created.date() <= date));
}
if let Some(date) = options.created_after {
tasks = Box::new(tasks.filter(move |t| t.data.created.date() >= date));
}
if let Some(date) = options.due_before {
tasks = Box::new(tasks.filter(move |t| {
match tasks::compare_due_dates(&t.data.due.map(|d| d.date()), &Some(date)) {
cmp::Ordering::Less | cmp::Ordering::Equal => true,
cmp::Ordering::Greater => false,
}
}));
}
if let Some(date) = options.due_after {
tasks = Box::new(tasks.filter(move |t| {
match tasks::compare_due_dates(&t.data.due.map(|d| d.date()), &Some(date)) {
cmp::Ordering::Greater | cmp::Ordering::Equal => true,
cmp::Ordering::Less => false,
}
}));
}
if !options.include_completed {
tasks = Box::new(tasks.filter(|t| t.data.completed.is_none()));
}
if !options.tag.is_empty() {
let specified_tags : HashSet<_> = options.tag.iter().collect();
tasks = Box::new(tasks.filter(move |t| {
let task_tags : HashSet<_> = t.data.tags.iter().collect();
// Non empty intersection of tags means the task should be displayed
specified_tags.intersection(&task_tags).next().is_some()
}));
}
if !options.exclude_tag.is_empty() {
let specified_tags : HashSet<_> = options.exclude_tag.iter().collect();
tasks = Box::new(tasks.filter(move |t| {
let task_tags : HashSet<_> = t.data.tags.iter().collect();
// If the task contains a tag which was supposed to be excluded, it should be filtered
// out
!specified_tags.intersection(&task_tags).next().is_some()
}));
}
if !options.priority.is_empty() {
let specified_priority_levels : HashSet<_> = options.priority.iter().collect();
tasks = Box::new(tasks.filter(move |t| {
specified_priority_levels.contains(&t.data.priority)
}));
}
if options.no_dependencies {
tasks = Box::new(tasks.filter(move |t| {
t.data.dependencies.is_empty()
}));
}
if options.no_dependents {
let tasks_with_dependents = state.data.deps.get_tasks_with_dependents();
tasks = Box::new(tasks.filter(move |t| {
!tasks_with_dependents.contains(&t.data.id)
}));
}
let mut tasks : Vec<tasks::Task> = tasks.collect();
// Sort the tasks.
use super::{OrderBy, Order};
match options.order_by.unwrap_or_default() {
OrderBy::Id => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| t1.data.id.cmp(&t2.data.id));
},
Order::Desc => {
tasks.sort_by(|t1, t2| t2.data.id.cmp(&t1.data.id));
},
}
},
OrderBy::Name => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| t1.data.name.cmp(&t2.data.name));
},
Order::Desc => {
tasks.sort_by(|t1, t2| t2.data.name.cmp(&t1.data.name));
},
}
},
OrderBy::Due => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| tasks::compare_due_dates(&t1.data.due, &t2.data.due));
},
Order::Desc => {
tasks.sort_by(|t1, t2| tasks::compare_due_dates(&t2.data.due, &t1.data.due));
},
}
},
OrderBy::Priority => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| t1.data.priority.cmp(&t2.data.priority));
},
Order::Desc => {
tasks.sort_by(|t1, t2| t2.data.priority.cmp(&t1.data.priority));
},
}
},
OrderBy::Created => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| t1.data.created.cmp(&t2.data.created));
},
Order::Desc => {
tasks.sort_by(|t1, t2| t2.data.created.cmp(&t1.data.created));
},
}
},
OrderBy::Tracked => {
match options.order.unwrap_or_default() {
Order::Asc => {
tasks.sort_by(|t1, t2| tasks::TimeEntry::total(&t1.data.time_entries).cmp(&tasks::TimeEntry::total(&t2.data.time_entries)));
},
Order::Desc => {
tasks.sort_by(|t1, t2| tasks::TimeEntry::total(&t2.data.time_entries).cmp(&tasks::TimeEntry::total(&t1.data.time_entries)));
},
}
}
}
// Include the required columns
let mut headers = vec!["Id", "Name"];
// Remove duplicate columns.
options.column = {
let mut columns = HashSet::new();
options.column.clone()
.into_iter()
.filter(|c| {
if columns.contains(c) {
false
}
else {
columns.insert(c.clone());
true
}
})
.collect()
};
use super::Column;
for column in &options.column {
match column {
Column::Tracked => {
headers.push("Tracked");
},
Column::Due => {
headers.push("Due");
},
Column::Tags => {
headers.push("Tags");
},
Column::Priority => {
headers.push("Priority");
},
Column::Status => {
headers.push("Status");
},
Column::Created => {
headers.push("Created");
},
}
}
table.set_header(headers);
for task in tasks {
use comfy_table::Cell;
let mut row = vec![Cell::from(task.data.id), Cell::from(task.data.name)];
for column in &options.column {
match column {
Column::Tracked => {
let duration = tasks::TimeEntry::total(&task.data.time_entries);
row.push(
Cell::from(if duration == tasks::Duration::zero() { String::new() } else { duration.to_string() })
);
},
Column::Due => {
row.push(match task.data.due {
Some(due) => format::cell::due_date(&due, task.data.completed.is_none()),
None => Cell::from(String::new())
});
},
Column::Tags => {
row.push(Cell::new(format::hash_set(&task.data.tags)?));
},
Column::Priority => {
row.push(format::cell::priority(&task.data.priority));
},
Column::Status => {
row.push(
Cell::new(if task.data.completed.is_some() {
String::from("complete")
}
else {
String::from("incomplete")
})
);
},
Column::Created => {
row.push(Cell::new(task.data.created.round_subsecs(0).to_string()));
},
}
}
table.add_row(row);
}
println!("{}", table);
Ok(())
}