Files
taskwarrior-2.x/rust/cli/src/invocation/cmd/import_tw.rs
2022-05-08 19:39:02 +00:00

266 lines
8.1 KiB
Rust

use anyhow::{anyhow, bail};
use serde::{self, Deserialize, Deserializer};
use serde_json::Value;
use std::collections::HashMap;
use taskchampion::chrono::{DateTime, TimeZone, Utc};
use taskchampion::{Replica, Uuid};
use termcolor::{Color, ColorSpec, WriteColor};
pub(crate) fn execute<W: WriteColor>(w: &mut W, replica: &mut Replica) -> Result<(), crate::Error> {
w.set_color(ColorSpec::new().set_bold(true))?;
writeln!(w, "Importing tasks from stdin.")?;
w.reset()?;
let mut tasks: Vec<HashMap<String, Value>> =
serde_json::from_reader(std::io::stdin()).map_err(|_| anyhow!("Invalid JSON"))?;
for task_json in tasks.drain(..) {
import_task(w, replica, task_json)?;
}
w.set_color(ColorSpec::new().set_bold(true))?;
writeln!(w, "{} tasks imported.", tasks.len())?;
w.reset()?;
Ok(())
}
/// Convert the given value to a string, failing on compound types (arrays
/// and objects).
fn stringify(v: Value) -> anyhow::Result<String> {
Ok(match v {
Value::String(s) => s,
Value::Number(n) => n.to_string(),
Value::Bool(true) => "true".to_string(),
Value::Bool(false) => "false".to_string(),
Value::Null => "null".to_string(),
_ => bail!("{:?} cannot be converted to a string", v),
})
}
pub fn deserialize_tw_datetime<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
where
D: Deserializer<'de>,
{
const FORMAT: &str = "%Y%m%dT%H%M%SZ";
let s = String::deserialize(deserializer)?;
Utc.datetime_from_str(&s, FORMAT)
.map_err(serde::de::Error::custom)
}
/// Deserialize a string in the TaskWarrior format into a DateTime
#[derive(Deserialize)]
struct TwDateTime(#[serde(deserialize_with = "deserialize_tw_datetime")] DateTime<Utc>);
impl TwDateTime {
/// Generate the data-model style UNIX timestamp for this DateTime
fn tc_timestamp(&self) -> String {
self.0.timestamp().to_string()
}
}
#[derive(Deserialize)]
struct Annotation {
entry: TwDateTime,
description: String,
}
fn import_task<W: WriteColor>(
w: &mut W,
replica: &mut Replica,
mut task_json: HashMap<String, Value>,
) -> anyhow::Result<()> {
let uuid = task_json
.get("uuid")
.ok_or_else(|| anyhow!("task has no uuid"))?;
let uuid = uuid
.as_str()
.ok_or_else(|| anyhow!("uuid is not a string"))?;
let uuid = Uuid::parse_str(uuid)?;
replica.import_task_with_uuid(uuid)?;
let mut description = None;
for (k, v) in task_json.drain() {
match k.as_ref() {
// `id` is the working-set ID and is not stored
"id" => {}
// `urgency` is also calculated and not stored
"urgency" => {}
// `uuid` was already handled
"uuid" => {}
// `annotations` is a sub-aray
"annotations" => {
let annotations: Vec<Annotation> = serde_json::from_value(v)?;
for ann in annotations {
let k = format!("annotation_{}", ann.entry.tc_timestamp());
replica.update_task(uuid, k, Some(ann.description))?;
}
}
// `depends` is a sub-aray
"depends" => {
let deps: Vec<String> = serde_json::from_value(v)?;
for dep in deps {
let k = format!("dep_{}", dep);
replica.update_task(uuid, k, Some("".to_owned()))?;
}
}
// `tags` is a sub-aray
"tags" => {
let tags: Vec<String> = serde_json::from_value(v)?;
for tag in tags {
let k = format!("tag_{}", tag);
replica.update_task(uuid, k, Some("".to_owned()))?;
}
}
// convert all datetimes -> epoch integers
"end" | "entry" | "modified" | "wait" | "due" => {
let v: TwDateTime = serde_json::from_value(v)?;
replica.update_task(uuid, k, Some(v.tc_timestamp()))?;
}
// everything else is inserted directly
_ => {
let v = stringify(v)?;
if k == "description" {
// keep a copy of the description for console output
description = Some(v.clone());
}
replica.update_task(uuid, k, Some(v))?;
}
}
}
w.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?;
write!(w, "{}", uuid)?;
w.reset()?;
writeln!(
w,
" {}",
description.unwrap_or_else(|| "(no description)".into())
)?;
Ok(())
}
#[cfg(test)]
mod test {
use super::*;
use crate::invocation::test::*;
use pretty_assertions::assert_eq;
use serde_json::json;
use std::convert::TryInto;
use taskchampion::chrono::{TimeZone, Utc};
use taskchampion::Status;
#[test]
fn stringify_string() {
assert_eq!(stringify(json!("foo")).unwrap(), "foo".to_string());
}
#[test]
fn stringify_number() {
assert_eq!(stringify(json!(2.14)).unwrap(), "2.14".to_string());
}
#[test]
fn stringify_bool() {
assert_eq!(stringify(json!(true)).unwrap(), "true".to_string());
assert_eq!(stringify(json!(false)).unwrap(), "false".to_string());
}
#[test]
fn stringify_null() {
assert_eq!(stringify(json!(null)).unwrap(), "null".to_string());
}
#[test]
fn stringify_invalid() {
assert!(stringify(json!([1])).is_err());
assert!(stringify(json!({"a": 1})).is_err());
}
#[test]
fn test_import() -> anyhow::Result<()> {
let mut w = test_writer();
let mut replica = test_replica();
let task_json = serde_json::from_value(json!({
"id": 0,
"description": "repair window",
"end": "20211231T175614Z", // TODO (#327)
"entry": "20211117T022410Z", // TODO (#326)
"modified": "20211231T175614Z",
"priority": "M",
"status": "completed",
"uuid": "fa01e916-1587-4c7d-a646-f7be62be8ee7",
"wait": "20211225T001523Z",
"due": "20211225T040000Z", // TODO (#82)
// TODO: recurrence (#81)
"imask": 2,
"recur": "monthly",
"rtype": "periodic",
"mask": "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--",
// (legacy) UDAs
"githubcreatedon": "20211110T175919Z",
"githubnamespace": "djmitche",
"githubnumber": 228,
"tags": [
"house"
],
"depends": [ // TODO (#84)
"4f71035d-1704-47f0-885c-6f9134bcefb2"
],
"annotations": [
{
"entry": "20211223T142031Z",
"description": "ordered from website"
}
],
"urgency": 4.16849
}))?;
import_task(&mut w, &mut replica, task_json)?;
let task = replica
.get_task(Uuid::parse_str("fa01e916-1587-4c7d-a646-f7be62be8ee7").unwrap())
.unwrap()
.unwrap();
assert_eq!(task.get_description(), "repair window");
assert_eq!(task.get_status(), Status::Completed);
assert_eq!(task.get_priority(), "M".to_string());
assert_eq!(
task.get_wait(),
Some(Utc.ymd(2021, 12, 25).and_hms(00, 15, 23))
);
assert_eq!(
task.get_modified(),
Some(Utc.ymd(2021, 12, 31).and_hms(17, 56, 14))
);
assert!(task.has_tag(&"house".try_into().unwrap()));
assert!(!task.has_tag(&"PENDING".try_into().unwrap()));
assert_eq!(
task.get_annotations().collect::<Vec<_>>(),
vec![taskchampion::Annotation {
entry: Utc.ymd(2021, 12, 23).and_hms(14, 20, 31),
description: "ordered from website".into(),
}]
);
assert_eq!(
task.get_legacy_uda("githubcreatedon"),
Some("20211110T175919Z")
);
assert_eq!(task.get_legacy_uda("githubnamespace"), Some("djmitche"));
assert_eq!(task.get_legacy_uda("githubnumber"), Some("228"));
Ok(())
}
}