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helix/validators/seismic_anchor_validator.py

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+from helix.calculators.subarray_helper import extract_subarray
+from helix.constants.seismic_anchor_validation_error import SeismicAnchorValidationError
+
+
+class SeismicAnchorValidator(object):
+    def __init__(self, calculator):
+        self.calculator = calculator
+
+    def validate(self, panel_data):
+        subarray_summary = self.calculator.subarray_summary()
+        for subarray in subarray_summary:
+            subarray_panels = extract_subarray(panel_data, subarray.subarray_number)
+            seismic_anchor_count = sum(panel.seismic_anchors or 0 for panel in subarray_panels)
+            if subarray.required_seismic_anchors > seismic_anchor_count:
+                return SeismicAnchorValidationError.TooFewAnchors