telemetry.rs

  1use crate::http::HttpClient;
  2use db::Db;
  3use gpui::{
  4    executor::Background,
  5    serde_json::{self, value::Map, Value},
  6    AppContext, Task,
  7};
  8use isahc::Request;
  9use lazy_static::lazy_static;
 10use parking_lot::Mutex;
 11use serde::Serialize;
 12use serde_json::json;
 13use std::{
 14    io::Write,
 15    mem,
 16    path::PathBuf,
 17    sync::Arc,
 18    time::{Duration, SystemTime, UNIX_EPOCH},
 19};
 20use tempfile::NamedTempFile;
 21use util::{post_inc, ResultExt, TryFutureExt};
 22use uuid::Uuid;
 23
 24pub struct Telemetry {
 25    http_client: Arc<dyn HttpClient>,
 26    executor: Arc<Background>,
 27    state: Mutex<TelemetryState>,
 28}
 29
 30#[derive(Default)]
 31struct TelemetryState {
 32    metrics_id: Option<Arc<str>>,
 33    device_id: Option<Arc<str>>,
 34    app_version: Option<Arc<str>>,
 35    os_version: Option<Arc<str>>,
 36    os_name: &'static str,
 37    queue: Vec<MixpanelEvent>,
 38    next_event_id: usize,
 39    flush_task: Option<Task<()>>,
 40    log_file: Option<NamedTempFile>,
 41}
 42
 43const MIXPANEL_EVENTS_URL: &'static str = "https://api.mixpanel.com/track";
 44const MIXPANEL_ENGAGE_URL: &'static str = "https://api.mixpanel.com/engage#profile-set";
 45
 46lazy_static! {
 47    static ref MIXPANEL_TOKEN: Option<String> = std::env::var("ZED_MIXPANEL_TOKEN")
 48        .ok()
 49        .or_else(|| option_env!("ZED_MIXPANEL_TOKEN").map(|key| key.to_string()));
 50}
 51
 52#[derive(Serialize, Debug)]
 53struct MixpanelEvent {
 54    event: String,
 55    properties: MixpanelEventProperties,
 56}
 57
 58#[derive(Serialize, Debug)]
 59struct MixpanelEventProperties {
 60    // Mixpanel required fields
 61    #[serde(skip_serializing_if = "str::is_empty")]
 62    token: &'static str,
 63    time: u128,
 64    distinct_id: Option<Arc<str>>,
 65    #[serde(rename = "$insert_id")]
 66    insert_id: usize,
 67    // Custom fields
 68    #[serde(skip_serializing_if = "Option::is_none", flatten)]
 69    event_properties: Option<Map<String, Value>>,
 70    os_name: &'static str,
 71    os_version: Option<Arc<str>>,
 72    app_version: Option<Arc<str>>,
 73    signed_in: bool,
 74    platform: &'static str,
 75}
 76
 77#[derive(Serialize)]
 78struct MixpanelEngageRequest {
 79    #[serde(rename = "$token")]
 80    token: &'static str,
 81    #[serde(rename = "$distinct_id")]
 82    distinct_id: Arc<str>,
 83    #[serde(rename = "$set")]
 84    set: Value,
 85}
 86
 87#[cfg(debug_assertions)]
 88const MAX_QUEUE_LEN: usize = 1;
 89
 90#[cfg(not(debug_assertions))]
 91const MAX_QUEUE_LEN: usize = 10;
 92
 93#[cfg(debug_assertions)]
 94const DEBOUNCE_INTERVAL: Duration = Duration::from_secs(1);
 95
 96#[cfg(not(debug_assertions))]
 97const DEBOUNCE_INTERVAL: Duration = Duration::from_secs(30);
 98
 99impl Telemetry {
100    pub fn new(client: Arc<dyn HttpClient>, cx: &AppContext) -> Arc<Self> {
101        let platform = cx.platform();
102        let this = Arc::new(Self {
103            http_client: client,
104            executor: cx.background().clone(),
105            state: Mutex::new(TelemetryState {
106                os_version: platform
107                    .os_version()
108                    .log_err()
109                    .map(|v| v.to_string().into()),
110                os_name: platform.os_name().into(),
111                app_version: platform
112                    .app_version()
113                    .log_err()
114                    .map(|v| v.to_string().into()),
115                device_id: None,
116                metrics_id: None,
117                queue: Default::default(),
118                flush_task: Default::default(),
119                next_event_id: 0,
120                log_file: None,
121            }),
122        });
123
124        if MIXPANEL_TOKEN.is_some() {
125            this.executor
126                .spawn({
127                    let this = this.clone();
128                    async move {
129                        if let Some(tempfile) = NamedTempFile::new().log_err() {
130                            this.state.lock().log_file = Some(tempfile);
131                        }
132                    }
133                })
134                .detach();
135        }
136
137        this
138    }
139
140    pub fn log_file_path(&self) -> Option<PathBuf> {
141        Some(self.state.lock().log_file.as_ref()?.path().to_path_buf())
142    }
143
144    pub fn start(self: &Arc<Self>, db: Db) {
145        let this = self.clone();
146        self.executor
147            .spawn(
148                async move {
149                    let device_id = if let Ok(Some(device_id)) = db.read_kvp("device_id") {
150                        device_id
151                    } else {
152                        let device_id = Uuid::new_v4().to_string();
153                        db.write_kvp("device_id", &device_id)?;
154                        device_id
155                    };
156
157                    let device_id: Arc<str> = device_id.into();
158                    let mut state = this.state.lock();
159                    state.device_id = Some(device_id.clone());
160                    for event in &mut state.queue {
161                        event
162                            .properties
163                            .distinct_id
164                            .get_or_insert_with(|| device_id.clone());
165                    }
166                    if !state.queue.is_empty() {
167                        drop(state);
168                        this.flush();
169                    }
170
171                    anyhow::Ok(())
172                }
173                .log_err(),
174            )
175            .detach();
176    }
177
178    pub fn set_authenticated_user_info(
179        self: &Arc<Self>,
180        metrics_id: Option<String>,
181        is_staff: bool,
182    ) {
183        let this = self.clone();
184        let mut state = self.state.lock();
185        let device_id = state.device_id.clone();
186        let metrics_id: Option<Arc<str>> = metrics_id.map(|id| id.into());
187        state.metrics_id = metrics_id.clone();
188        drop(state);
189
190        if let Some((token, device_id)) = MIXPANEL_TOKEN.as_ref().zip(device_id) {
191            self.executor
192                .spawn(
193                    async move {
194                        let json_bytes = serde_json::to_vec(&[MixpanelEngageRequest {
195                            token,
196                            distinct_id: device_id,
197                            set: json!({ "staff": is_staff, "id": metrics_id }),
198                        }])?;
199                        let request = Request::post(MIXPANEL_ENGAGE_URL)
200                            .header("Content-Type", "application/json")
201                            .body(json_bytes.into())?;
202                        this.http_client.send(request).await?;
203                        Ok(())
204                    }
205                    .log_err(),
206                )
207                .detach();
208        }
209    }
210
211    pub fn report_event(self: &Arc<Self>, kind: &str, properties: Value) {
212        let mut state = self.state.lock();
213        let event = MixpanelEvent {
214            event: kind.to_string(),
215            properties: MixpanelEventProperties {
216                token: "",
217                time: SystemTime::now()
218                    .duration_since(UNIX_EPOCH)
219                    .unwrap()
220                    .as_millis(),
221                distinct_id: state.device_id.clone(),
222                insert_id: post_inc(&mut state.next_event_id),
223                event_properties: if let Value::Object(properties) = properties {
224                    Some(properties)
225                } else {
226                    None
227                },
228                os_name: state.os_name,
229                os_version: state.os_version.clone(),
230                app_version: state.app_version.clone(),
231                signed_in: state.metrics_id.is_some(),
232                platform: "Zed",
233            },
234        };
235        state.queue.push(event);
236        if state.device_id.is_some() {
237            if state.queue.len() >= MAX_QUEUE_LEN {
238                drop(state);
239                self.flush();
240            } else {
241                let this = self.clone();
242                let executor = self.executor.clone();
243                state.flush_task = Some(self.executor.spawn(async move {
244                    executor.timer(DEBOUNCE_INTERVAL).await;
245                    this.flush();
246                }));
247            }
248        }
249    }
250
251    fn flush(self: &Arc<Self>) {
252        let mut state = self.state.lock();
253        let mut events = mem::take(&mut state.queue);
254        state.flush_task.take();
255        drop(state);
256
257        if let Some(token) = MIXPANEL_TOKEN.as_ref() {
258            let this = self.clone();
259            self.executor
260                .spawn(
261                    async move {
262                        let mut json_bytes = Vec::new();
263
264                        if let Some(file) = &mut this.state.lock().log_file {
265                            let file = file.as_file_mut();
266                            for event in &mut events {
267                                json_bytes.clear();
268                                serde_json::to_writer(&mut json_bytes, event)?;
269                                file.write_all(&json_bytes)?;
270                                file.write(b"\n")?;
271
272                                event.properties.token = token;
273                            }
274                        }
275
276                        json_bytes.clear();
277                        serde_json::to_writer(&mut json_bytes, &events)?;
278                        let request = Request::post(MIXPANEL_EVENTS_URL)
279                            .header("Content-Type", "application/json")
280                            .body(json_bytes.into())?;
281                        this.http_client.send(request).await?;
282                        Ok(())
283                    }
284                    .log_err(),
285                )
286                .detach();
287        }
288    }
289}