adds initial user defined panels

server/src/telemetry/history.rs

@@ -9,11 +9,11 @@ use chrono::{DateTime, DurationRound, SecondsFormat, TimeDelta, Utc};
 use log::{error, info};
 use std::cmp::min;
 use std::collections::VecDeque;
+use std::fs;
 use std::fs::File;
 use std::io::{BufReader, BufWriter, Seek, SeekFrom, Write};
 use std::path::PathBuf;
 use std::sync::{Arc, RwLock};
-use std::{fs, path};
 use tokio::task::{spawn_blocking, JoinHandle};
 
 const FOLDER_DURATION: TimeDelta = TimeDelta::hours(1);
@@ -484,7 +484,7 @@ impl TelemetryHistory {
             drop(segments);
             let mut segments = self.segments.write().await;
 
-            if segments.len() == 0 {
+            if segments.is_empty() {
                 let start_time = timestamp.duration_trunc(service.segment_width).unwrap();
                 segments.push_back(
                     self.create_ram_segment(start_time, service, self.data.definition.data_type)
@@ -636,11 +636,11 @@ pub struct TelemetryHistoryService {
 }
 
 impl TelemetryHistoryService {
-    pub fn new() -> anyhow::Result<Self> {
+    pub fn new(data_folder: PathBuf) -> anyhow::Result<Self> {
         let result = Self {
             segment_width: TimeDelta::minutes(1),
             max_segments: 5,
-            data_root_folder: path::absolute("telemetry")?,
+            data_root_folder: data_folder,
         };
 
         fs::create_dir_all(&result.data_root_folder)?;
@@ -654,8 +654,6 @@ impl TelemetryHistoryService {
     }
 
     pub fn get_metadata_file(&self) -> PathBuf {
-        let mut result = self.data_root_folder.clone();
-        result.push("metadata.json");
-        result
+        self.data_root_folder.join("metadata.json")
     }
 }

server/src/telemetry/management_service.rs

@@ -154,7 +154,7 @@ impl TelemetryManagementService {
             .collect()
     }
 
-    pub fn pin(&self) -> TelemetryManagementServicePin {
+    pub fn pin(&self) -> TelemetryManagementServicePin<'_> {
         TelemetryManagementServicePin {
             tlm_data: self.tlm_data.pin(),
         }