DAQ: added a function to get parameters from the database for a given sample

daq/src/aaredaq/daq.py

@@ -103,6 +103,45 @@ class AareDAQ:
     def smart_params(self, params: SimpleScanParameters):
         self.auto_params = params
 
+    def spreadsheet_params(self) -> Optional[SimpleScanParameters]:
+        if self.status.sample is None:
+            return None
+
+        aaredb_params = self.status.sample.aaredb_params if hasattr(self.status.sample, "aaredb_params") else None
+        if aaredb_params is None:
+            return None
+
+        params = SimpleScanParameters()
+
+        if (exp := getattr(aaredb_params, 'exposure', None)) is not None:
+            params.exp_time_s = exp
+
+        if (trans := getattr(aaredb_params, 'transmission', None)) is not None:
+            params.transmission = trans / 100.0 if trans > 1.0 else trans
+
+        if (res := getattr(aaredb_params, 'targetresolution', None)) is not None:
+            params.dtz = self.diffraction_geometry.calc_dtz_mm(res)
+
+        osc = getattr(aaredb_params, 'oscillation', None)
+        total = getattr(aaredb_params, 'totalrange', None)
+
+        default_osc = SimpleScanParameters().incr_omega_deg
+
+        if osc is not None:
+            osc = abs(osc)
+            if osc > 0:
+                params.incr_omega_deg = osc
+                if total is not None and abs(total) > 0:
+                    params.steps = round(abs(total) / osc)
+                else:
+                    params.steps = round(360.0 / osc)
+        elif total is not None and abs(total) > 0:
+            params.incr_omega_deg = default_osc
+            params.steps = round(abs(total) / default_osc)
+
+        return params
+
+
     @property
     def omega(self) -> float:
         return self.__devs.aerotech.omega