From c28a7a682b9bb0943fd82a24f525c87801fbe4f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Wiedemann?= <jerome@wnetworks.org>
Date: Sun, 4 Jul 2021 08:46:49 +0000
Subject: [PATCH] fix: Ignore recorder when not required

Fix #169
---
 .devcontainer/ui-lovelace.yaml |  3 +++
 src/apexcharts-card.ts         |  7 +++++++
 src/graphEntry.ts              | 11 +++++++++++
 src/types.ts                   |  1 +
 4 files changed, 22 insertions(+)

diff --git a/.devcontainer/ui-lovelace.yaml b/.devcontainer/ui-lovelace.yaml
index 9c7d213..1cdeca7 100644
--- a/.devcontainer/ui-lovelace.yaml
+++ b/.devcontainer/ui-lovelace.yaml
@@ -440,6 +440,9 @@ views:
                 unit: Mbits/s
                 min: 0
                 max: 1000
+                group_by:
+                  func: max
+                  duration: 30min
           - type: custom:apexcharts-card
             chart_type: pie
             header:
diff --git a/src/apexcharts-card.ts b/src/apexcharts-card.ts
index 6c6fe72..d41b670 100644
--- a/src/apexcharts-card.ts
+++ b/src/apexcharts-card.ts
@@ -384,6 +384,13 @@ class ChartsCard extends LitElement {
         }
         this._graphs = this._config.series.map((serie, index) => {
           serie.index = index;
+          serie.ignore_history = !!(
+            this._config?.chart_type &&
+            ['donut', 'pie', 'radialBar'].includes(this._config?.chart_type) &&
+            (!serie.group_by || serie.group_by?.func === 'raw') &&
+            !serie.data_generator &&
+            !serie.offset
+          );
           if (!this._headerColors[index]) {
             this._headerColors[index] = defColors[index % defColors.length];
           }
diff --git a/src/graphEntry.ts b/src/graphEntry.ts
index e188a4c..aec88bb 100644
--- a/src/graphEntry.ts
+++ b/src/graphEntry.ts
@@ -183,6 +183,17 @@ export default class GraphEntry {
     }
     if (!this._entityState || this._updating) return false;
     this._updating = true;
+
+    if (this._config.ignore_history) {
+      let currentState: null | number | string = this._entityState.state;
+      if (this._config.transform) {
+        currentState = this._applyTransform(currentState, this._entityState);
+      }
+      this._computedHistory = [[new Date(this._entityState.last_updated).getTime(), Number(currentState)]];
+      this._updating = false;
+      return true;
+    }
+
     let history: EntityEntryCache | undefined = undefined;
 
     if (this._config.data_generator) {
diff --git a/src/types.ts b/src/types.ts
index c74403e..2145f49 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -28,6 +28,7 @@ export interface ChartCardSeriesConfig extends ChartCardSeriesExternalConfig {
     start_with_last?: boolean;
   };
   show: ChartCardSeriesShowConfig;
+  ignore_history: boolean;
 }
 
 export interface ChartCardSeriesShowConfig extends ChartCardSeriesShowConfigExt {