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use chrono::{Datelike, Duration};
use std::{fs::File, io::Write, process};
use inquire::{validator::Validation, Confirm, MultiSelect, Select, Text};
use strum::IntoEnumIterator;
use strum_macros::{Display, EnumIter, EnumString};
use twilly::{
serverless::{
environments::{logs::Level, ServerlessEnvironment},
services::ServerlessService,
},
Client, ErrorKind,
};
use twilly_cli::{
get_action_choice_from_user, get_date_from_user, prompt_user, prompt_user_multi_selection,
prompt_user_selection, ActionChoice, DateRange,
};
/// Actions general to Logs.
#[derive(Debug, Clone, Display, EnumIter, EnumString)]
pub enum LogsAction {
#[strum(to_string = "Get Log")]
GetLog,
#[strum(to_string = "List Logs")]
ListLogs,
Back,
Exit,
}
/// Actions for a specific Log Resource.
#[derive(Debug, Clone, Display, EnumIter, EnumString)]
pub enum LogAction {
#[strum(to_string = "List details")]
ListDetails,
Back,
Exit,
}
/// Quick select time range options.
#[derive(Debug, Clone, Display, EnumIter, EnumString)]
pub enum TimeRangeOptions {
#[strum(to_string = "Last 30 minutes")]
ThirtyMinutes,
#[strum(to_string = "Last hour")]
LastHour,
#[strum(to_string = "Last 6 hours")]
LastSixHours,
Today,
Custom,
}
pub async fn choose_log_action(
twilio: &Client,
serverless_service: &ServerlessService,
serverless_environment: &ServerlessEnvironment,
) {
let options: Vec<LogsAction> = LogsAction::iter().collect();
loop {
let resource_selection_prompt = Select::new("Select an action:", options.clone());
if let Some(resource) = prompt_user_selection(resource_selection_prompt) {
match resource {
LogsAction::GetLog => {
let log_sid_prompt = Text::new("Please provide a Log SID:")
.with_placeholder("NO...")
.with_validator(|val: &str| {
if val.starts_with("NO") && val.len() == 34 {
Ok(Validation::Valid)
} else {
Ok(Validation::Invalid(
"Log SID should be 34 characters in length".into(),
))
}
});
if let Some(log_sid) = prompt_user(log_sid_prompt) {
match twilio
.serverless()
.service(&serverless_service.sid)
.environment(&serverless_environment.sid)
.log(&log_sid)
.get()
.await
{
Ok(log) => {
println!("Log found.");
println!();
if let Some(action_choice) = get_action_choice_from_user(
vec![String::from("List Details")],
"Select an action: ",
) {
match action_choice {
ActionChoice::Back => {
break;
}
ActionChoice::Exit => process::exit(0),
ActionChoice::Other(choice) => match choice.as_str() {
"List Details" => {
println!("{:#?}", log);
println!();
}
_ => println!("Unknown action '{}'", choice),
},
}
} else {
break;
}
}
Err(error) => match error.kind {
ErrorKind::TwilioError(twilio_error) => {
if twilio_error.status == 404 {
println!("A Log with SID '{}' was not found.", &log_sid);
println!();
} else {
panic!("{}", twilio_error);
}
}
_ => panic!("{}", error),
},
}
}
}
LogsAction::ListLogs => {
let utc_now = chrono::Utc::now();
let mut start_date: Option<chrono::DateTime<chrono::Utc>> = None;
let mut end_date: Option<chrono::DateTime<chrono::Utc>> = None;
let mut user_selected_time_range = false;
let time_range_prompt = Confirm::new("Would you like to select a time range?")
.with_placeholder("N")
.with_help_message("Will retrieve the last 24 hours by default.")
.with_default(false);
if let Some(time_range_decision) = prompt_user(time_range_prompt) {
if time_range_decision {
user_selected_time_range = true;
let options: Vec<TimeRangeOptions> = TimeRangeOptions::iter().collect();
let time_range_selection_prompt =
Select::new("Select a time range:", options.clone());
if let Some(time_range) =
prompt_user_selection(time_range_selection_prompt)
{
match time_range {
TimeRangeOptions::ThirtyMinutes => {
start_date = Some(utc_now - Duration::minutes(30));
}
TimeRangeOptions::LastHour => {
start_date = Some(utc_now - Duration::hours(1));
}
TimeRangeOptions::LastSixHours => {
start_date = Some(utc_now - Duration::hours(6));
}
TimeRangeOptions::Today => {
start_date = Some(
chrono::DateTime::parse_from_str(
utc_now
.format("%Y-%m-%dT00:00:00%z")
.to_string()
.as_str(),
"%Y-%m-%dT%H:%M:%S%z",
)
.unwrap()
.into(),
);
}
TimeRangeOptions::Custom => {
let utc_30_days_ago = utc_now - chrono::Duration::days(30);
if let Some(user_start_date) = get_date_from_user(
"Choose a start date:",
Some(DateRange {
minimum_date: chrono::NaiveDate::from_ymd_opt(
utc_30_days_ago.year(),
utc_30_days_ago.month(),
utc_30_days_ago.day(),
)
.unwrap(),
maximum_date: chrono::NaiveDate::from_ymd_opt(
utc_now.year(),
utc_now.month(),
utc_now.day(),
)
.unwrap(),
}),
) {
start_date = Some(
chrono::DateTime::parse_from_str(
user_start_date
.format("%Y-%m-%dT00:00:00+0000")
.to_string()
.as_str(),
"%Y-%m-%dT%H:%M:%S%z",
)
.unwrap()
.into(),
);
if let Some(user_end_date) = get_date_from_user(
"Choose an end date:",
Some(DateRange {
minimum_date: chrono::NaiveDate::from_ymd_opt(
user_start_date
.year_ce()
.1
.try_into()
.unwrap(),
user_start_date.month0() + 1,
user_start_date.day0() + 1,
)
.unwrap(),
maximum_date: chrono::NaiveDate::from_ymd_opt(
utc_now.year(),
utc_now.month(),
utc_now.day(),
)
.unwrap(),
}),
) {
if user_end_date == utc_now.date_naive() {
// If the user selected the current day we'll assume its up to the current time
// also. So here we use the UTC now to do so.
end_date = Some(
chrono::DateTime::parse_from_str(
utc_now
.format("%Y-%m-%dT%H:%M:%S%z")
.to_string()
.as_str(),
"%Y-%m-%dT%H:%M:%S%z",
)
.unwrap()
.into(),
)
} else {
// If the user did *not* select the current day then it's definitely in
// the past so we can assume they want to fetch that full day. We manually
// set the hours as such here.
end_date = Some(
chrono::DateTime::parse_from_str(
user_end_date
.format("%Y-%m-%dT23:59:59+0000")
.to_string()
.as_str(),
"%Y-%m-%dT%H:%M:%S%z",
)
.unwrap()
.into(),
)
}
}
}
}
}
}
}
}
// Only continue if the user filtered by dates *and* provided both options.
// If they didn't then they must of cancelled the operation.
if !user_selected_time_range || (start_date.is_some() && end_date.is_some()) {
let filter_function =
Confirm::new("Would you like to filter by a specific function?")
.with_placeholder("N")
.with_default(false);
if let Some(filter_decision) = prompt_user(filter_function) {
let mut function_sid: Option<String> = None;
if filter_decision {
let function_sid_prompt =
Text::new("Please provide a function SID:")
.with_placeholder("ZH...")
.with_validator(|val: &str| {
if val.starts_with("ZH") && val.len() == 34 {
Ok(Validation::Valid)
} else {
Ok(Validation::Invalid(
"Function SID should be 34 characters in length".into(),
))
}
});
if let Some(user_function_sid) = prompt_user(function_sid_prompt) {
function_sid = Some(user_function_sid);
}
}
let options: Vec<Level> = Level::iter().collect();
let log_level_prompt = MultiSelect::new(
"Select the log levels you would like to view:",
options,
)
.with_default(&[0_usize, 1, 2]);
if let Some(log_levels) = prompt_user_multi_selection(log_level_prompt)
{
println!("Fetching logs...");
let mut serverless_logs = twilio
.serverless()
.service(&serverless_service.sid)
.environment(&serverless_environment.sid)
.logs()
.list(function_sid, start_date, end_date)
.await
.unwrap_or_else(|error| panic!("{}", error));
println!("Filtering...");
serverless_logs.retain(|log| log_levels.contains(&log.level));
let number_of_logs = serverless_logs.len();
if number_of_logs == 0 {
println!("No logs found.");
println!();
} else {
println!("Found {} logs.", number_of_logs);
println!();
if let Some(output_decision) = get_action_choice_from_user(
vec![String::from("Write to file"), String::from("View")],
"Select an output: ",
) {
match output_decision {
ActionChoice::Back => {
break;
}
ActionChoice::Exit => process::exit(0),
ActionChoice::Other(choice) => match choice.as_str() {
"Write to file" => {
match File::create(format!(
"{}.json",
&serverless_environment.sid
)) {
Ok(mut file_buffer) => {
match file_buffer
.write_all(
serde_json::to_string_pretty(
&serverless_logs,
)
.unwrap()
.as_bytes(),
) {
Ok(_) => {
println!("Log file created: {}.json", &serverless_environment.sid);
println!();
},
Err(error) => eprintln!("Failed to fully write to log file. Action aborted: {}", error)
}
}
Err(error) => eprintln!(
"Unable to create log file. Action aborted: {}", error
),
}
}
"View" => {
// Sort date descending (latest first)
serverless_logs.sort_by(|a, b| {
b.date_created.cmp(&a.date_created)
});
let mut selected_serverless_log_index: Option<
usize,
> = None;
loop {
let selected_serverless_log = if let Some(
index,
) =
selected_serverless_log_index
{
&mut serverless_logs[index]
} else if let Some(action_choice) =
get_action_choice_from_user(
serverless_logs
.iter()
.map(|log| {
format!(
"({}) {} - {}",
log.sid,
log.date_created,
log.message
)
})
.collect::<Vec<String>>(),
"Choose a Serverless Log: ",
)
{
match action_choice {
ActionChoice::Back => {
break;
}
ActionChoice::Exit => {
process::exit(0)
}
ActionChoice::Other(choice) => {
let serverless_log_position = serverless_logs
.iter()
.position(|list| list.sid == choice[1..35])
.expect("Could not find Serverless Log in existing Serverless Log list");
selected_serverless_log_index =
Some(
serverless_log_position,
);
&mut serverless_logs
[serverless_log_position]
}
}
} else {
break;
};
let options: Vec<LogAction> =
LogAction::iter().collect();
let action_selection_prompt = Select::new(
"Select an action:",
options,
);
if let Some(action) = prompt_user_selection(
action_selection_prompt,
) {
match action {
LogAction::ListDetails => {
println!(
"{:#?}",
selected_serverless_log
);
println!();
}
LogAction::Back => {
break;
}
LogAction::Exit => process::exit(0),
}
}
}
}
_ => println!("Unknown action '{}'", choice),
},
}
}
}
}
}
}
}
LogsAction::Back => {
break;
}
LogsAction::Exit => process::exit(0),
}
}
}
}