From c4903a536b54025fcb98273cae49763bffef446170cd8f71784c9015bb382815 Mon Sep 17 00:00:00 2001
From: PioApocalypse <pioapocalypse@proton.me>
Date: Thu, 12 Feb 2026 15:53:44 +0100
Subject: [PATCH] [untested] creates child classes of Material for Substrates
 and Targets

---
 src/classes.py | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/classes.py b/src/classes.py
index 02c20d6..642c3f1 100644
--- a/src/classes.py
+++ b/src/classes.py
@@ -108,8 +108,10 @@ class Material:
     '''
     def __init__(self, material_data):
         try:
+            self.name = material_data["title"] # required
             self.extra = material_data["metadata_decoded"]["extra_fields"]
             self.compound_elabid = self.extra["Compound"]["value"]
+            self.dimensions = self.extra["Size"]["value"]
         except KeyError as k:
             # Some keys are not required and can be called through the .get() method - which is permissive and allows null values;
             # Other keys are required so if they can't be called (invalid or null) raise error and stop execution of the program:
@@ -130,6 +132,32 @@ class Material:
         formula = self.get_compound_data(apikey).get("chemical_formula")
         return formula
 
+class Substrate(Material):
+    def __init__(self, material_data):
+        super().__init__(material_data)
+        try:
+            self.orientation = self.extra["Orientation"]["value"]
+            self.miscut_angle = self.extra["Miscut Angle"]["value"]
+            self.miscut_direction = self.extra["Miscut Direction"]["value"]
+            # Not present (yet) on eLabFTW for Substrates:
+            self.thickness = None #self.extra["Thickness"]["value"]
+            self.surface_treatment = self.extra["Surface treatment"]["value"]
+            self.manufacturer = self.extra["Supplier"]["value"]
+            self.batch_id = self.extra["Batch ID"]["value"]
+        except KeyError as k:
+            raise KeyError(f"The provided dictionary lacks a \"{k}\" key - which is specific for substrates. Check the {self.name} substrate entry on eLabFTW and make sure you used the correct Resource template.")
+
+class Target(Material):
+    def __init__(self, material_data):
+        super().__init__(material_data)
+        try:
+            self.thickness = self.extra["Thickness"]["value"]
+            self.shape = self.extra["shape"]["value"]
+            self.solid_form = self.extra["Solid form"]["value"]
+            self.manufacturer = self.extra["Supplier"]["value"]
+        except KeyError as k:
+            raise KeyError(f"The provided dictionary lacks a \"{k}\" key - which is specific for PLD targets. Check the {self.name} target entry on eLabFTW and make sure you used the correct Resource template.")
+
 
 
 if __name__=="__main__":