hyf

commit e34ba7dcbbecacd63645ee42eedfe663e0e2690a
parent 9c7fa5606ba4d9abd230eee2efeb4b057ad13372
Author: triesap <tyson@radroots.org>
Date:   Mon, 21 Sep 2026 13:49:07 +0000

core: interpret supply update operations

Diffstat:
A
src/hyf_application/farm_changes.mojo
 | 
33
+++++++++++++++++++++++++++++++++
M
tests/test_application.mojo
 | 
21
+++++++++++++++++++++

2 files changed, 54 insertions(+), 0 deletions(-)
diff --git a/src/hyf_application/farm_changes.mojo b/src/hyf_application/farm_changes.mojo
@@ -0,0 +1,33 @@
+from std.collections import List, Optional
+
+from hyf_core.domain.supply_change import ProposedSupplyChange, proposed_change
+
+
+def interpret_update_operation(verb: String) -> String:
+    var lowered = verb.lower()
+    if lowered == "another" or lowered == "more" or lowered == "added":
+        return "addition"
+    if lowered == "left" or lowered == "remaining":
+        return "remaining"
+    if lowered == "total":
+        return "replacement"
+    if lowered == "sold out" or lowered == "gone" or lowered == "withdrawn":
+        return "withdrawal"
+    if lowered == "actually" or lowered == "correction":
+        return "correction"
+    return "unresolved"
+
+
+def interpret_update_change(
+    verb: String, target_kind: String, target_id: Optional[String]
+) raises -> ProposedSupplyChange:
+    return proposed_change(
+        target_kind=target_kind,
+        target_id=target_id,
+        operation=interpret_update_operation(verb),
+        expected_revision=None,
+    )
+
+
+def operation_is_proposal() -> Bool:
+    return True
diff --git a/tests/test_application.mojo b/tests/test_application.mojo
@@ -82,3 +82,24 @@ def test_quantity_association_per_product_without_swap() raises:
     assert_true(not reported_quantity_is_unreserved_stock())
     with assert_raises():
         _ = associate_quantity("", 1, 0, "kg", "exact")
+
+
+from hyf_application.farm_changes import (
+    interpret_update_change,
+    interpret_update_operation,
+    operation_is_proposal,
+)
+
+
+def test_supply_update_operation_semantics() raises:
+    assert_equal(interpret_update_operation("another"), "addition")
+    assert_equal(interpret_update_operation("left"), "remaining")
+    assert_equal(interpret_update_operation("total"), "replacement")
+    assert_equal(interpret_update_operation("sold out"), "withdrawal")
+    assert_equal(interpret_update_operation("actually"), "correction")
+    assert_equal(interpret_update_operation("maybe"), "unresolved")
+    var addition = interpret_update_change("another", "listing", Optional[String]("b1"))
+    assert_equal(addition.operation, "addition")
+    var ambiguous = interpret_update_change("sold out", "listing", None)
+    assert_equal(ambiguous.operation, "unresolved")
+    assert_true(operation_is_proposal())