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feat: allow to save and load metric data

Browse source 
metrics can be saved and loaded to/from csv.
The files are ok-ish and it's reasonably fast. File format could still
change. Also some small fixes and tweaks, like bigger buttons in
confirmation prompts and source name in logs.
This commit is contained in:
əlemi 2022-06-28 01:09:15 +02:00
parent 759c11a5b5
commit d50f9b973b
Signed by: alemi
GPG key ID: A4895B84D311642C
8 changed files with 256 additions and 130 deletions
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4
Cargo.toml
View file

@ -1,6 +1,6 @@
[package]
name = "dashboard"
version = "0.3.3"
version = "0.3.4"
edition = "2021"
[[bin]]
@ -21,7 +21,9 @@ tracing = "0.1" # egui / eframe use tracing
tracing-subscriber = "0.3"
serde = { version = "1", features = ["derive"] }
serde_json = "1"
csv = "1.1"
rusqlite = "0.27"
jql = { version = "4", default-features = false }
ureq = { version = "2", features = ["json"] }
rfd = "0.9"
eframe = "0.18"

1
src/app/data/mod.rs
View file

@ -92,6 +92,7 @@ impl ApplicationState {
false,
false,
false,
true,
self.panels.read().expect("Panels RwLock poisoned").len() as i32, // todo can this be made more compact and without acquisition?
)?; // TODO make values customizable and useful
self.panels

19
src/app/data/store.rs
View file

@ -102,13 +102,25 @@ impl SQLiteDataStore {
Ok(values)
}
pub fn put_value(&self, metric_id: i32, v: Value) -> rusqlite::Result<usize> {
pub fn put_value(&self, metric_id: i32, v: &Value) -> rusqlite::Result<usize> {
self.conn.execute(
"INSERT INTO points(metric_id, x, y) VALUES (?, ?, ?)",
params![metric_id, v.x, v.y],
)
}
pub fn put_values(&mut self, metric_id: i32, values: &Vec<Value>) -> rusqlite::Result<()> {
let tx = self.conn.transaction()?;
for v in values {
tx.execute(
"INSERT INTO points(metric_id, x, y) VALUES (?, ?, ?)",
params![metric_id, v.x, v.y],
)?;
}
tx.commit()?;
Ok(())
}
pub fn delete_values(&self, metric_id: i32) -> rusqlite::Result<usize> {
self.conn.execute(
"DELETE FROM points WHERE metric_id = ?",
@ -327,11 +339,12 @@ impl SQLiteDataStore {
limit: bool,
reduce: bool,
shift: bool,
average: bool,
position: i32,
) -> rusqlite::Result<Panel> {
self.conn.execute(
"INSERT INTO panels (name, view_scroll, view_size, timeserie, width, height, limit_view, position, reduce_view, view_chunks, shift_view, view_offset) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
params![name, view_scroll, view_size, timeserie, width, height, limit, position, reduce, view_chunks, shift, view_offset]
"INSERT INTO panels (name, view_scroll, view_size, timeserie, width, height, limit_view, position, reduce_view, view_chunks, shift_view, view_offset, average_view) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
params![name, view_scroll, view_size, timeserie, width, height, limit, position, reduce, view_chunks, shift, view_offset, average]
)?;
let mut statement = self.conn.prepare("SELECT * FROM panels WHERE name = ?")?;
for panel in statement.query_map(params![name], |row| {

8
src/app/gui/scaffold.rs
View file

@ -13,7 +13,7 @@ pub fn confirmation_popup_delete_metric(app: &mut App, ui: &mut Ui, metric_index
ui.label("This will remove all its metrics and delete all points from archive. This action CANNOT BE UNDONE!");
ui.with_layout(Layout::top_down(Align::RIGHT), |ui| {
ui.horizontal(|ui| {
if ui.button("yes").clicked() {
if ui.button("\n yes \n").clicked() {
let store = app.data.storage.lock().expect("Storage Mutex poisoned");
let mut metrics = app.data.metrics.write().expect("Metrics RwLock poisoned");
store.delete_metric(metrics[metric_index].id).expect("Failed deleting metric");
@ -21,7 +21,7 @@ pub fn confirmation_popup_delete_metric(app: &mut App, ui: &mut Ui, metric_index
metrics.remove(metric_index);
app.deleting_metric = None;
}
if ui.button(" no ").clicked() {
if ui.button("\n no \n").clicked() {
app.deleting_metric = None;
}
});
@ -34,7 +34,7 @@ pub fn confirmation_popup_delete_source(app: &mut App, ui: &mut Ui, source_index
ui.label("This will remove all its metrics and delete all points from archive. This action CANNOT BE UNDONE!");
ui.with_layout(Layout::top_down(Align::RIGHT), |ui| {
ui.horizontal(|ui| {
if ui.button("YEAH").clicked() {
if ui.button("\n yes \n").clicked() {
let store = app.data.storage.lock().expect("Storage Mutex poisoned");
let mut sources = app.data.sources.write().expect("sources RwLock poisoned");
let mut metrics = app.data.metrics.write().expect("Metrics RwLock poisoned");
@ -53,7 +53,7 @@ pub fn confirmation_popup_delete_source(app: &mut App, ui: &mut Ui, source_index
sources.remove(source_index);
app.deleting_source = None;
}
if ui.button(" NO WAY ").clicked() {
if ui.button("\n no \n").clicked() {
app.deleting_source = None;
}
});

298
src/app/gui/source.rs
View file

@ -1,134 +1,197 @@
use eframe::{egui::{Ui, TextEdit, DragValue, Checkbox, ScrollArea, Layout}, emath::Align};
use eframe::{
egui::{Checkbox, DragValue, Layout, ScrollArea, TextEdit, Ui},
emath::Align, epaint::Color32,
};
use rfd::FileDialog;
use tracing::error;
use crate::app::{data::source::{Source, Metric}, App};
use crate::app::{
data::source::{Metric, Source},
util::{deserialize_values, serialize_values},
App,
};
use super::metric::{metric_edit_ui, metric_display_ui};
use super::metric::{metric_display_ui, metric_edit_ui};
pub fn source_panel(app: &mut App, ui: &mut Ui) {
let mut to_swap: Option<usize> = None;
let mut to_insert: Vec<Metric> = Vec::new();
// let mut to_delete: Option<usize> = None;
let panels = app.data.panels.read().expect("Panels RwLock poisoned");
let panel_width = ui.available_width();
ScrollArea::both().max_width(panel_width).show(ui, |ui| {
// TODO only vertical!
{
let mut sources =
app.data.sources.write().expect("Sources RwLock poisoned");
let sources_count = sources.len();
ui.heading("Sources");
ui.separator();
for (i, source) in sources.iter_mut().enumerate() {
ui.horizontal(|ui| {
if app.edit {
ui.vertical(|ui| {
ui.add_space(10.0);
if ui.small_button("+").clicked() {
if i > 0 {
to_swap = Some(i); // TODO kinda jank but is there a better way?
}
}
if ui.small_button("−").clicked() {
if i < sources_count - 1 {
to_swap = Some(i + 1); // TODO kinda jank but is there a better way?
}
}
});
}
ui.vertical(|ui| {
let remaining_width = ui.available_width();
if app.edit {
ui.group(|ui| {
ui.horizontal(|ui| {
source_edit_ui(
ui,
source,
remaining_width - 34.0,
);
if ui.small_button("×").clicked() {
app.deleting_metric = None;
app.deleting_source = Some(i);
}
});
for (j, metric) in app.data.metrics.write().expect("Metrics RwLock poisoned").iter_mut().enumerate() {
if metric.source_id == source.id {
ui.horizontal(|ui| {
metric_edit_ui(ui, metric, Some(&panels), remaining_width - 31.0);
if ui.small_button("×").clicked() {
app.deleting_source = None;
app.deleting_metric = Some(j);
}
});
ScrollArea::vertical()
.max_width(panel_width)
.show(ui, |ui| {
// TODO only vertical!
{
let mut sources = app.data.sources.write().expect("Sources RwLock poisoned");
let sources_count = sources.len();
ui.heading("Sources");
ui.separator();
for (i, source) in sources.iter_mut().enumerate() {
ui.horizontal(|ui| {
if app.edit { // show buttons to move sources up and down
ui.vertical(|ui| {
ui.add_space(10.0);
if ui.small_button("+").clicked() {
if i > 0 {
to_swap = Some(i); // TODO kinda jank but is there a better way?
}
}
ui.horizontal(|ui| {
metric_edit_ui(
ui,
&mut app.input_metric,
None,
remaining_width - 30.0,
);
if ui.small_button(" + ").clicked() { // TODO find a better
if let Err(e) = app
.data
.add_metric(&app.input_metric, source)
{
error!(target: "ui", "Error adding metric : {:?}", e);
if ui.small_button("−").clicked() {
if i < sources_count - 1 {
to_swap = Some(i + 1); // TODO kinda jank but is there a better way?
}
}
});
}
ui.vertical(|ui| { // actual sources list container
let remaining_width = ui.available_width();
if app.edit {
ui.group(|ui| {
ui.horizontal(|ui| {
source_edit_ui(ui, source, remaining_width - 34.0);
if ui.small_button("×").clicked() {
app.deleting_metric = None;
app.deleting_source = Some(i);
}
});
let mut metrics = app
.data
.metrics
.write()
.expect("Metrics RwLock poisoned");
for (j, metric) in metrics.iter_mut().enumerate() {
if metric.source_id == source.id {
ui.horizontal(|ui| {
metric_edit_ui(
ui,
metric,
Some(&panels),
remaining_width - 53.0,
);
if ui.small_button("s").clicked() {
let path = FileDialog::new()
.add_filter("csv", &["csv"])
.set_file_name(format!("{}-{}.csv", source.name, metric.name).as_str())
.save_file();
if let Some(path) = path {
serialize_values(
&*metric
.data
.read()
.expect("Values RwLock poisoned"),
metric,
path,
)
.expect("Could not serialize data");
}
}
if ui.small_button("×").clicked() {
app.deleting_source = None;
app.deleting_metric = Some(j);
}
});
}
}
ui.add_space(1.0); // DAMN!
if ui.small_button("×").clicked() {
app.input_metric = Metric::default();
ui.horizontal(|ui| {
metric_edit_ui(
ui,
&mut app.input_metric,
None,
remaining_width - 53.0,
);
ui.add_space(2.0);
if ui.small_button(" + ").clicked() {
// TODO find a better
if let Err(e) =
app.data.add_metric(&app.input_metric, source)
{
error!(target: "ui", "Error adding metric : {:?}", e);
}
}
ui.add_space(1.0); // DAMN!
if ui.small_button("o").clicked() {
let path = FileDialog::new()
.add_filter("csv", &["csv"])
.pick_file();
if let Some(path) = path {
match deserialize_values(path) {
Ok((name, query_x, query_y, data)) => {
let mut store = app
.data
.storage
.lock()
.expect("Storage Mutex poisoned");
match store.new_metric(
name.as_str(),
source.id,
query_x.as_str(),
query_y.as_str(),
-1,
Color32::TRANSPARENT,
metrics.len() as i32,
) {
Ok(verified_metric) => {
store.put_values(verified_metric.id, &data).unwrap();
*verified_metric.data.write().expect("Values RwLock poisoned") = data;
to_insert.push(verified_metric);
}
Err(e) => {
error!(target: "ui", "could not save metric into archive : {:?}", e);
}
}
}
Err(e) => {
error!(target: "ui", "Could not deserialize metric from file : {:?}", e);
}
}
}
}
if ui.small_button("×").clicked() {
app.input_metric = Metric::default();
}
})
});
} else {
let metrics =
app.data.metrics.read().expect("Metrics RwLock poisoned");
source_display_ui(ui, source, remaining_width);
for metric in metrics.iter() {
if metric.source_id == source.id {
metric_display_ui(ui, metric, ui.available_width());
}
})
});
} else {
let metrics =
app.data.metrics.read().expect("Metrics RwLock poisoned");
source_display_ui(
ui,
source,
remaining_width,
);
for metric in metrics.iter() {
if metric.source_id == source.id {
metric_display_ui(ui, metric, ui.available_width());
}
ui.separator();
}
});
});
}
}
if app.edit {
ui.separator();
ui.horizontal(|ui| {
ui.heading("new source");
ui.with_layout(Layout::top_down(Align::RIGHT), |ui| {
ui.horizontal(|ui| {
if ui.button("add").clicked() {
if let Err(e) = app.data.add_source(&app.input_source) {
error!(target: "ui", "Error adding source : {:?}", e);
} else {
app.input_source.id += 1;
}
}
ui.separator();
}
ui.toggle_value(&mut app.padding, "#");
});
});
});
source_edit_ui(ui, &mut app.input_source, panel_width - 10.0);
ui.add_space(5.0);
if app.padding {
ui.add_space(300.0);
}
}
}
if app.edit {
ui.separator();
ui.horizontal(|ui| {
ui.heading("new source");
ui.with_layout(Layout::top_down(Align::RIGHT), |ui| {
ui.horizontal(|ui| {
if ui.button("add").clicked() {
if let Err(e) = app.data.add_source(&app.input_source) {
error!(target: "ui", "Error adding source : {:?}", e);
} else {
app.input_source.id += 1;
}
}
ui.toggle_value(&mut app.padding, "#");
});
});
});
source_edit_ui(
ui,
&mut app.input_source,
panel_width - 10.0,
);
ui.add_space(5.0);
if app.padding {
ui.add_space(300.0);
}
}
});
});
//if let Some(i) = to_delete {
// // TODO can this be done in background? idk
// let mut panels = app.data.panels.write().expect("Panels RwLock poisoned");
@ -139,12 +202,21 @@ pub fn source_panel(app: &mut App, ui: &mut Ui) {
let mut sources = app.data.sources.write().expect("Sources RwLock poisoned");
sources.swap(i - 1, i);
}
if to_insert.len() > 0 {
let mut metrics = app.data.metrics.write().expect("Metrics RwLock poisoned");
for m in to_insert {
metrics.push(m);
}
}
}
pub fn source_display_ui(ui: &mut Ui, source: &mut Source, _width: f32) {
ui.horizontal(|ui| {
ui.add_enabled(false, Checkbox::new(&mut source.enabled, ""));
ui.add_enabled(false, DragValue::new(&mut source.interval).clamp_range(1..=120));
ui.add_enabled(
false,
DragValue::new(&mut source.interval).clamp_range(1..=120),
);
ui.heading(&source.name).on_hover_text(&source.url);
});
}

8
src/app/mod.rs
View file

@ -54,18 +54,18 @@ impl eframe::App for App {
});
if let Some(index) = self.deleting_metric {
Window::new(format!("Delete Metric #{}", index))
Window::new(format!("Delete Metric #{}?", index))
.show(ctx, |ui| confirmation_popup_delete_metric(self, ui, index));
}
if let Some(index) = self.deleting_source {
Window::new(format!("Delete Source #{}", index))
Window::new(format!("Delete Source #{}?", index))
.show(ctx, |ui| confirmation_popup_delete_source(self, ui, index));
}
if self.sources {
SidePanel::left("sources-bar")
.width_range(280.0..=800.0)
.default_width(330.0)
.width_range(if self.edit { 400.0..=1000.0 } else { 280.0..=680.0 })
.default_width(if self.edit { 450.0 } else { 330.0 })
.show(ctx, |ui| source_panel(self, ui));
}

43
src/app/util.rs
View file

@ -1,13 +1,50 @@
use chrono::{DateTime, Local, NaiveDateTime, Utc};
use eframe::egui::Color32;
use std::sync::Arc;
use eframe::egui::{Color32, plot::Value};
use std::{sync::Arc, error::Error, path::PathBuf};
use tracing_subscriber::Layer;
use super::data::ApplicationState;
use super::data::{ApplicationState, source::Metric};
// if you're handling more than terabytes of data, it's the future and you ought to update this code!
const PREFIXES: &'static [&'static str] = &["", "k", "M", "G", "T"];
pub fn serialize_values(values: &Vec<Value>, metric: &Metric, path: PathBuf) -> Result<(), Box<dyn Error>> {
let mut wtr = csv::Writer::from_writer(std::fs::File::create(path)?);
wtr.write_record(&[metric.name.as_str(), metric.query_x.as_str(), metric.query_y.as_str()])?;
for v in values {
wtr.serialize(("", v.x, v.y))?;
}
wtr.flush()?;
Ok(())
}
pub fn deserialize_values(path: PathBuf) -> Result<(String, String, String, Vec<Value>), Box<dyn Error>> {
let mut values = Vec::new();
let mut rdr = csv::Reader::from_reader(std::fs::File::open(path)?);
let mut name = "N/A".to_string();
let mut query_x = "".to_string();
let mut query_y = "".to_string();
if rdr.has_headers() {
let record = rdr.headers()?;
name = record[0].to_string();
query_x = record[1].to_string();
query_y = record[2].to_string();
}
for result in rdr.records() {
if let Ok(record) = result {
values.push(Value { x: record[1].parse::<f64>()?, y: record[2].parse::<f64>()? });
}
}
Ok((
name,
query_x,
query_y,
values,
))
}
pub fn human_size(size: u64) -> String {
let mut buf: f64 = size as f64;
let mut prefix: usize = 0;

5
src/app/worker.rs
View file

@ -88,6 +88,7 @@ impl BackgroundWorker for NativeBackgroundWorker {
.expect("Sources RwLock poisoned");
*last_update = Utc::now();
let state2 = state.clone();
let source_name = sources[j].name.clone();
let url = sources[j].url.clone();
std::thread::spawn(move || {
// TODO this can overspawn if a request takes longer than the refresh interval!
@ -100,12 +101,12 @@ impl BackgroundWorker for NativeBackgroundWorker {
match metric.extract(&res) {
Ok(v) => {
metric.data.write().expect("Data RwLock poisoned").push(v);
if let Err(e) = store.put_value(metric.id, v) {
if let Err(e) = store.put_value(metric.id, &v) {
warn!(target:"background-worker", "Could not put sample for source #{} in db: {:?}", s_id, e);
}
}
Err(e) => {
warn!(target:"background-worker", "[{}] Could not extract value from result: {:?}", metric.name, e); // TODO: more info!
warn!(target:"background-worker", "[{}|{}] Could not extract value from result: {:?}", source_name, metric.name, e); // TODO: more info!
}
}
}