Refactor code structure for improved readability and maintainability

app/services/graph_generator.py

@@ -1141,15 +1141,20 @@ class GraphGenerator:
         fig, ax = plt.subplots(figsize=(10, 2.5))
 
         # Chart data and positions
+        # Use normalized positions (0-100 scale) for uniform bar length
         categories = ["Very Slow", "Slow", "Average", "Fast", "Very Fast"]
-        positions = [1500, 3000, 4500, 6000, 7500]
-        indicator_pos = rmr_kcal
-        highlight_end = rmr_kcal
+        positions = [10, 30, 50, 70, 90]  # Normalized positions on 0-100 scale
 
-        # Main Bar (Background)
+        # Normalize the kcal value to 0-100 scale (assuming range 0-9000 kcal)
+        max_kcal = 9000
+        normalized_value = (rmr_kcal / max_kcal) * 100
+        indicator_pos = normalized_value
+        highlight_end = normalized_value
+
+        # Main Bar (Background) - using 0-100 scale
         main_bar = FancyBboxPatch(
             (0, 0.4),
-            9000,
+            100,
             0.2,
             boxstyle="round,pad=0,rounding_size=0.1",
             ec="none",
@@ -1168,7 +1173,7 @@ class GraphGenerator:
         )
         ax.add_patch(highlight_bar)
 
-        # Text and Labels
+        # Text and Labels (show actual kcal value)
         ax.text(
             highlight_end / 2,
             0.5,
@@ -1192,7 +1197,7 @@ class GraphGenerator:
 
         # Chart Styling
         ax.set_title("Slow vs Fast Metabolism", fontsize=18, weight="bold", loc="left")
-        ax.set_xlim(0, 9000)
+        ax.set_xlim(0, 100)  # Normalized scale for uniformity
         ax.set_ylim(0, 1)
         ax.axis("off")
 
@@ -1296,6 +1301,7 @@ class GraphGenerator:
 
         # Chart Styling
         ax.set_title("Fuel Source", fontsize=18, weight="bold", loc="left")
+        ax.set_xlim(0, 100)  # Normalized scale for uniformity
         ax.set_ylim(0, 1)
         ax.axis("off")