From a30388195b6f367d6bf4d685920d5e90fcd42595 Mon Sep 17 00:00:00 2001
From: GermanBluefox <dogafox@gmail.com>
Date: Wed, 18 Dec 2024 11:49:45 +0000
Subject: [PATCH] Convert actual values with provided "convert" function too

---
 README.md                              |  3 +++
 src-chart/src/Components/ChartModel.js | 36 +++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 325f33ff..aefc39e4 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,9 @@ You can debug view charts locally with:
 	### **WORK IN PROGRESS**
 -->
 ## Changelog
+### **WORK IN PROGRESS**
+* (bluefox) Convert actual values with provided "convert" function too
+
 ### 1.9.2 (2024-09-10)
 * (bluefox) Fixed polar and bar charts
 
diff --git a/src-chart/src/Components/ChartModel.js b/src-chart/src/Components/ChartModel.js
index aa840878..1b26040c 100644
--- a/src-chart/src/Components/ChartModel.js
+++ b/src-chart/src/Components/ChartModel.js
@@ -1489,7 +1489,41 @@ class ChartModel {
                 }
 
                 if (this.actualValues && this.actualValues[m] !== state.val) {
-                    this.actualValues[m] = state.val;
+                    // actual values must be converted too
+                    let convertFunc;
+                    if (this.config.l[m].convert) {
+                        let convert = this.config.l[m].convert;
+                        if (!convert.includes('return')) {
+                            convert = `return ${convert}`;
+                        }
+                        try {
+                            // eslint-disable-next-line no-new-func
+                            convertFunc = new Function('val', convert);
+                        } catch (e) {
+                            console.error(`[ChartModel] Cannot parse convert function: ${e}`);
+                        }
+                    }
+
+                    let value = state.val;
+
+                    // Convert boolean values to numbers
+                    if (value === 'true' || value === true) {
+                        value = 1;
+                    } else if (value === 'false' || value === false) {
+                        value = 0;
+                    } else if (typeof value === 'string') {
+                        value = parseFloat(value);
+                    }
+                    if (this.config.l[m].chartType !== 'polar') {
+                        let val;
+                        if (convertFunc) {
+                            val = value !== null ? convertFunc(value + this.config.l[m].yOffset) : null;
+                        } else {
+                            val = value !== null ? value + this.config.l[m].yOffset : null;
+                        }
+                    }
+
+                    this.actualValues[m] = value;
                     changed = true;
                 }
                 break;