From 0939e66c2da005bd8faa7039fbf77be0fdba2676 Mon Sep 17 00:00:00 2001
From: alemi <me@alemi.dev>
Date: Sat, 5 Nov 2022 19:52:15 +0100
Subject: [PATCH] fix: refresh when changing db, don't load all points 1st time

---
 src/worker/visualizer.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/worker/visualizer.rs b/src/worker/visualizer.rs
index 84f6ca8..6f897be 100644
--- a/src/worker/visualizer.rs
+++ b/src/worker/visualizer.rs
@@ -279,10 +279,11 @@ impl AppState {
 		}
 	
 		// fetch new points
+		let lower_bound = std::cmp::max(self.last_check, now - new_width);
 		let new_points = entities::points::Entity::find()
 			.filter(
 				Condition::all()
-					.add(entities::points::Column::X.gte(self.last_check as f64))
+					.add(entities::points::Column::X.gte(lower_bound as f64))
 					.add(entities::points::Column::X.lte(now as f64))
 			)
 			.order_by(entities::points::Column::X, Order::Asc)
@@ -332,6 +333,8 @@ impl AppState {
 								Ok(new_db) => {
 									info!("Connected to '{}'", uri);
 									db = new_db;
+									self.last_check = 0;
+									self.last_refresh = 0;
 								},
 								Err(e) => error!(target: "state-manager", "Could not connect to db: {:?}", e),
 							};