265 lines
8.3 KiB
Rust
265 lines
8.3 KiB
Rust
use crate::http::HttpClient;
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use db::Db;
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use gpui::{
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executor::Background,
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serde_json::{self, value::Map, Value},
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AppContext, Task,
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};
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use isahc::Request;
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use lazy_static::lazy_static;
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use parking_lot::Mutex;
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use serde::Serialize;
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use std::{
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io::Write,
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mem,
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path::PathBuf,
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sync::Arc,
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time::{Duration, SystemTime, UNIX_EPOCH},
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};
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use tempfile::NamedTempFile;
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use util::{post_inc, ResultExt, TryFutureExt};
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use uuid::Uuid;
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pub struct Telemetry {
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http_client: Arc<dyn HttpClient>,
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executor: Arc<Background>,
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session_id: u128,
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state: Mutex<TelemetryState>,
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}
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#[derive(Default)]
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struct TelemetryState {
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user_id: Option<Arc<str>>,
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device_id: Option<Arc<str>>,
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app_version: Option<Arc<str>>,
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os_version: Option<Arc<str>>,
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os_name: &'static str,
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queue: Vec<AmplitudeEvent>,
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next_event_id: usize,
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flush_task: Option<Task<()>>,
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log_file: Option<NamedTempFile>,
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}
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const AMPLITUDE_EVENTS_URL: &'static str = "https://api2.amplitude.com/batch";
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lazy_static! {
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static ref AMPLITUDE_API_KEY: Option<String> = std::env::var("ZED_AMPLITUDE_API_KEY")
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.ok()
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.or_else(|| option_env!("ZED_AMPLITUDE_API_KEY").map(|key| key.to_string()));
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}
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#[derive(Serialize)]
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struct AmplitudeEventBatch {
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api_key: &'static str,
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events: Vec<AmplitudeEvent>,
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options: AmplitudeEventBatchOptions,
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}
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#[derive(Serialize)]
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struct AmplitudeEventBatchOptions {
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min_id_length: usize,
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}
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#[derive(Serialize)]
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struct AmplitudeEvent {
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#[serde(skip_serializing_if = "Option::is_none")]
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user_id: Option<Arc<str>>,
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device_id: Option<Arc<str>>,
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event_type: String,
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#[serde(skip_serializing_if = "Option::is_none")]
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event_properties: Option<Map<String, Value>>,
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#[serde(skip_serializing_if = "Option::is_none")]
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user_properties: Option<Map<String, Value>>,
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os_name: &'static str,
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os_version: Option<Arc<str>>,
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app_version: Option<Arc<str>>,
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event_id: usize,
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session_id: u128,
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time: u128,
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}
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#[cfg(debug_assertions)]
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const MAX_QUEUE_LEN: usize = 1;
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#[cfg(not(debug_assertions))]
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const MAX_QUEUE_LEN: usize = 10;
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#[cfg(debug_assertions)]
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const DEBOUNCE_INTERVAL: Duration = Duration::from_secs(1);
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#[cfg(not(debug_assertions))]
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const DEBOUNCE_INTERVAL: Duration = Duration::from_secs(30);
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impl Telemetry {
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pub fn new(client: Arc<dyn HttpClient>, cx: &AppContext) -> Arc<Self> {
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let platform = cx.platform();
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let this = Arc::new(Self {
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http_client: client,
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executor: cx.background().clone(),
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session_id: SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.unwrap()
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.as_millis(),
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state: Mutex::new(TelemetryState {
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os_version: platform
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.os_version()
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.log_err()
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.map(|v| v.to_string().into()),
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os_name: platform.os_name().into(),
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app_version: platform
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.app_version()
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.log_err()
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.map(|v| v.to_string().into()),
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device_id: None,
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queue: Default::default(),
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flush_task: Default::default(),
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next_event_id: 0,
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log_file: None,
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user_id: None,
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}),
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});
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if AMPLITUDE_API_KEY.is_some() {
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this.executor
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.spawn({
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let this = this.clone();
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async move {
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if let Some(tempfile) = NamedTempFile::new().log_err() {
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this.state.lock().log_file = Some(tempfile);
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}
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}
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})
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.detach();
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}
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this
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}
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pub fn log_file_path(&self) -> Option<PathBuf> {
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Some(self.state.lock().log_file.as_ref()?.path().to_path_buf())
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}
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pub fn start(self: &Arc<Self>, db: Arc<Db>) {
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let this = self.clone();
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self.executor
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.spawn(
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async move {
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let device_id = if let Some(device_id) = db
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.read(["device_id"])?
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.into_iter()
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.flatten()
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.next()
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.and_then(|bytes| String::from_utf8(bytes).ok())
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{
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device_id
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} else {
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let device_id = Uuid::new_v4().to_string();
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db.write([("device_id", device_id.as_bytes())])?;
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device_id
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};
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let device_id = Some(Arc::from(device_id));
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let mut state = this.state.lock();
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state.device_id = device_id.clone();
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for event in &mut state.queue {
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event.device_id = device_id.clone();
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}
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if !state.queue.is_empty() {
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drop(state);
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this.flush();
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}
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anyhow::Ok(())
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}
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.log_err(),
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)
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.detach();
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}
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pub fn set_user_id(&self, user_id: Option<u64>) {
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self.state.lock().user_id = user_id.map(|id| id.to_string().into());
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}
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pub fn report_event(self: &Arc<Self>, kind: &str, properties: Value) {
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if AMPLITUDE_API_KEY.is_none() {
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return;
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}
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let mut state = self.state.lock();
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let event = AmplitudeEvent {
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event_type: kind.to_string(),
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time: SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.unwrap()
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.as_millis(),
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session_id: self.session_id,
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event_properties: if let Value::Object(properties) = properties {
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Some(properties)
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} else {
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None
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},
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user_properties: None,
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user_id: state.user_id.clone(),
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device_id: state.device_id.clone(),
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os_name: state.os_name,
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os_version: state.os_version.clone(),
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app_version: state.app_version.clone(),
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event_id: post_inc(&mut state.next_event_id),
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};
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state.queue.push(event);
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if state.device_id.is_some() {
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if state.queue.len() >= MAX_QUEUE_LEN {
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drop(state);
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self.flush();
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} else {
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let this = self.clone();
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let executor = self.executor.clone();
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state.flush_task = Some(self.executor.spawn(async move {
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executor.timer(DEBOUNCE_INTERVAL).await;
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this.flush();
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}));
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}
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}
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}
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fn flush(self: &Arc<Self>) {
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let mut state = self.state.lock();
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let events = mem::take(&mut state.queue);
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state.flush_task.take();
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drop(state);
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if let Some(api_key) = AMPLITUDE_API_KEY.as_ref() {
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let this = self.clone();
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self.executor
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.spawn(
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async move {
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let mut json_bytes = Vec::new();
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if let Some(file) = &mut this.state.lock().log_file {
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let file = file.as_file_mut();
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for event in &events {
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json_bytes.clear();
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serde_json::to_writer(&mut json_bytes, event)?;
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file.write_all(&json_bytes)?;
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file.write(b"\n")?;
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}
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}
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let batch = AmplitudeEventBatch {
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api_key,
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events,
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options: AmplitudeEventBatchOptions { min_id_length: 1 },
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};
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json_bytes.clear();
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serde_json::to_writer(&mut json_bytes, &batch)?;
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let request =
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Request::post(AMPLITUDE_EVENTS_URL).body(json_bytes.into())?;
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this.http_client.send(request).await?;
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Ok(())
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}
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.log_err(),
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)
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.detach();
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}
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}
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}
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