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Cal command updates (#1758)

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* Calculate the quarter directly

* Group some data together, remove attribute to ignore Clippy warning

* Group items into structs and add methods

* Updates to cal command

* Update cal.rs

* Update cal.rs

Co-authored-by: Jonathan Turner <jonathandturner@users.noreply.github.com>
This commit is contained in:
Joseph T. Lyons 2020-05-16 00:00:06 -04:00 committed by GitHub
parent 076fde16dd
commit 40ec8c41a0
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1 changed files with 179 additions and 144 deletions
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323
crates/nu-cli/src/commands/cal.rs
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@ -1,5 +1,5 @@
use crate::prelude::*;
use chrono::{DateTime, Datelike, Local, NaiveDate};
use chrono::{Datelike, Local, NaiveDate};
use nu_errors::ShellError;
use nu_protocol::Dictionary;
@ -67,80 +67,164 @@ pub fn cal(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream
let (current_year, current_month, current_day) = get_current_date();
if args.has("full-year") {
let mut day_value: Option<u32> = Some(current_day);
let mut year_value = current_year as u64;
let mut selected_year: i32 = current_year;
let mut current_day_option: Option<u32> = Some(current_day);
if let Some(year) = args.get("full-year") {
if let Ok(year_u64) = year.as_u64() {
year_value = year_u64;
}
let month_range = if args.has("full-year") {
if let Some(full_year_value) = args.get("full-year") {
if let Ok(year_u64) = full_year_value.as_u64() {
selected_year = year_u64 as i32;
if year_value != current_year as u64 {
day_value = None
if selected_year != current_year {
current_day_option = None
}
}
add_year_to_table(
&mut calendar_vec_deque,
&tag,
year_value as i32,
current_year,
current_month,
day_value,
&args,
);
} else {
let (day_start_offset, number_of_days_in_month, _) =
get_month_information(current_year, current_month, current_year);
add_month_to_table(
&mut calendar_vec_deque,
&tag,
current_year,
current_month,
Some(current_day),
day_start_offset,
number_of_days_in_month as usize,
&args,
);
yield Err(get_invalid_year_shell_error(&full_year_value.tag()));
return;
}
}
(1, 12)
} else {
(current_month, current_month)
};
let add_months_of_year_to_table_result = add_months_of_year_to_table(
&args,
&mut calendar_vec_deque,
&tag,
selected_year,
month_range,
current_month,
current_day_option,
);
match add_months_of_year_to_table_result {
Ok(()) => {
for item in calendar_vec_deque {
yield ReturnSuccess::value(item);
}
}
Err(error) => yield Err(error),
}
};
Ok(stream.to_output_stream())
}
fn get_current_date() -> (i32, u32, u32) {
let local_now: DateTime<Local> = Local::now();
fn get_invalid_year_shell_error(year_tag: &Tag) -> ShellError {
ShellError::labeled_error("The year is invalid", "invalid year", year_tag)
}
let current_year: i32 = local_now.date().year();
let current_month: u32 = local_now.date().month();
let current_day: u32 = local_now.date().day();
struct MonthHelper {
day_number_month_starts_on: usize,
number_of_days_in_month: usize,
selected_year: i32,
selected_month: u32,
}
impl MonthHelper {
pub fn new(selected_year: i32, selected_month: u32) -> Result<MonthHelper, ()> {
let mut month_helper = MonthHelper {
day_number_month_starts_on: 0,
number_of_days_in_month: 0,
selected_year,
selected_month,
};
let chosen_date_result_one = month_helper.update_day_number_month_starts_on();
let chosen_date_result_two = month_helper.update_number_of_days_in_month();
if chosen_date_result_one.is_ok() && chosen_date_result_two.is_ok() {
return Ok(month_helper);
}
Err(())
}
pub fn get_month_name(&self) -> String {
let month_name = match self.selected_month {
1 => "january",
2 => "february",
3 => "march",
4 => "april",
5 => "may",
6 => "june",
7 => "july",
8 => "august",
9 => "september",
10 => "october",
11 => "november",
_ => "december",
};
month_name.to_string()
}
fn update_day_number_month_starts_on(&mut self) -> Result<(), ()> {
let naive_date_result =
MonthHelper::get_naive_date(self.selected_year, self.selected_month);
match naive_date_result {
Ok(naive_date) => {
self.day_number_month_starts_on =
naive_date.weekday().num_days_from_sunday() as usize;
Ok(())
}
_ => Err(()),
}
}
fn update_number_of_days_in_month(&mut self) -> Result<(), ()> {
// Chrono does not provide a method to output the amount of days in a month
// This is a workaround taken from the example code from the Chrono docs here:
// https://docs.rs/chrono/0.3.0/chrono/naive/date/struct.NaiveDate.html#example-30
let (adjusted_year, adjusted_month) = if self.selected_month == 12 {
(self.selected_year + 1, 1)
} else {
(self.selected_year, self.selected_month + 1)
};
let naive_date_result = MonthHelper::get_naive_date(adjusted_year, adjusted_month);
match naive_date_result {
Ok(naive_date) => {
self.number_of_days_in_month = naive_date.pred().day() as usize;
Ok(())
}
_ => Err(()),
}
}
fn get_naive_date(selected_year: i32, selected_month: u32) -> Result<NaiveDate, ()> {
if let Some(naive_date) = NaiveDate::from_ymd_opt(selected_year, selected_month, 1) {
return Ok(naive_date);
}
Err(())
}
}
fn get_current_date() -> (i32, u32, u32) {
let local_now_date = Local::now().date();
let current_year: i32 = local_now_date.year();
let current_month: u32 = local_now_date.month();
let current_day: u32 = local_now_date.day();
(current_year, current_month, current_day)
}
fn add_year_to_table(
fn add_months_of_year_to_table(
args: &EvaluatedWholeStreamCommandArgs,
mut calendar_vec_deque: &mut VecDeque<Value>,
tag: &Tag,
mut selected_year: i32,
current_year: i32,
selected_year: i32,
(start_month, end_month): (u32, u32),
current_month: u32,
current_day_option: Option<u32>,
args: &EvaluatedWholeStreamCommandArgs,
) {
for month_number in 1..=12 {
let (day_start_offset, number_of_days_in_month, chosen_date_is_valid) =
get_month_information(selected_year, month_number, current_year);
if !chosen_date_is_valid {
selected_year = current_year;
}
) -> Result<(), ShellError> {
for month_number in start_month..=end_month {
let mut new_current_day_option: Option<u32> = None;
if let Some(current_day) = current_day_option {
@ -149,31 +233,48 @@ fn add_year_to_table(
}
}
add_month_to_table(
let add_month_to_table_result = add_month_to_table(
&args,
&mut calendar_vec_deque,
&tag,
selected_year,
month_number,
new_current_day_option,
day_start_offset,
number_of_days_in_month,
&args,
);
add_month_to_table_result?
}
Ok(())
}
#[allow(clippy::too_many_arguments)]
fn add_month_to_table(
args: &EvaluatedWholeStreamCommandArgs,
calendar_vec_deque: &mut VecDeque<Value>,
tag: &Tag,
year: i32,
month: u32,
selected_year: i32,
current_month: u32,
_current_day_option: Option<u32>, // Can be used in the future to display current day
day_start_offset: usize,
number_of_days_in_month: usize,
args: &EvaluatedWholeStreamCommandArgs,
) {
let day_limit = number_of_days_in_month + day_start_offset;
) -> Result<(), ShellError> {
let month_helper_result = MonthHelper::new(selected_year, current_month);
let month_helper = match month_helper_result {
Ok(month_helper) => month_helper,
Err(()) => match args.get("full-year") {
Some(full_year_value) => {
return Err(get_invalid_year_shell_error(&full_year_value.tag()))
}
None => {
return Err(ShellError::labeled_error(
"Issue parsing command",
"invalid command",
tag,
))
}
},
};
let day_limit = month_helper.number_of_days_in_month + month_helper.day_number_month_starts_on;
let mut day_count: usize = 1;
let days_of_the_week = [
@ -195,29 +296,35 @@ fn add_month_to_table(
let mut indexmap = IndexMap::new();
if should_show_year_column {
indexmap.insert("year".to_string(), UntaggedValue::int(year).into_value(tag));
indexmap.insert(
"year".to_string(),
UntaggedValue::int(month_helper.selected_year).into_value(tag),
);
}
if should_show_quarter_column {
indexmap.insert(
"quarter".to_string(),
UntaggedValue::int(get_quarter_number(month)).into_value(tag),
UntaggedValue::int(((month_helper.selected_month - 1) / 3) + 1).into_value(tag),
);
}
if should_show_month_column {
let month_value = if should_show_month_names {
UntaggedValue::string(get_month_name(month)).into_value(tag)
UntaggedValue::string(month_helper.get_month_name()).into_value(tag)
} else {
UntaggedValue::int(month).into_value(tag)
UntaggedValue::int(month_helper.selected_month).into_value(tag)
};
indexmap.insert("month".to_string(), month_value);
}
for day in &days_of_the_week {
let value = if (day_count <= day_limit) && (day_count > day_start_offset) {
UntaggedValue::int(day_count - day_start_offset).into_value(tag)
let value = if (day_count <= day_limit)
&& (day_count > month_helper.day_number_month_starts_on)
{
UntaggedValue::int(day_count - month_helper.day_number_month_starts_on)
.into_value(tag)
} else {
UntaggedValue::nothing().into_value(tag)
};
@ -230,78 +337,6 @@ fn add_month_to_table(
calendar_vec_deque
.push_back(UntaggedValue::Row(Dictionary::from(indexmap)).into_value(tag));
}
}
fn get_quarter_number(month_number: u32) -> u8 {
match month_number {
1..=3 => 1,
4..=6 => 2,
7..=9 => 3,
_ => 4,
}
}
fn get_month_name(month_number: u32) -> String {
let month_name = match month_number {
1 => "january",
2 => "february",
3 => "march",
4 => "april",
5 => "may",
6 => "june",
7 => "july",
8 => "august",
9 => "september",
10 => "october",
11 => "november",
_ => "december",
};
month_name.to_string()
}
fn get_month_information(
selected_year: i32,
month: u32,
current_year: i32,
) -> (usize, usize, bool) {
let (naive_date, chosen_date_is_valid_one) =
get_safe_naive_date(selected_year, month, current_year);
let weekday = naive_date.weekday();
let (days_in_month, chosen_date_is_valid_two) =
get_days_in_month(selected_year, month, current_year);
(
weekday.num_days_from_sunday() as usize,
days_in_month,
chosen_date_is_valid_one && chosen_date_is_valid_two,
)
}
fn get_days_in_month(selected_year: i32, month: u32, current_year: i32) -> (usize, bool) {
// Chrono does not provide a method to output the amount of days in a month
// This is a workaround taken from the example code from the Chrono docs here:
// https://docs.rs/chrono/0.3.0/chrono/naive/date/struct.NaiveDate.html#example-30
let (adjusted_year, adjusted_month) = if month == 12 {
(selected_year + 1, 1)
} else {
(selected_year, month + 1)
};
let (naive_date, chosen_date_is_valid) =
get_safe_naive_date(adjusted_year, adjusted_month, current_year);
(naive_date.pred().day() as usize, chosen_date_is_valid)
}
fn get_safe_naive_date(
selected_year: i32,
selected_month: u32,
current_year: i32,
) -> (NaiveDate, bool) {
if let Some(naive_date) = NaiveDate::from_ymd_opt(selected_year, selected_month, 1) {
return (naive_date, true);
}
(NaiveDate::from_ymd(current_year, selected_month, 1), false)
Ok(())
}