BDMS 626: mp height

services/well_inventory_csv.py

@@ -681,6 +681,22 @@ def _add_csv_row(session: Session, group: Group, model: WellInventoryRow, user)
             }
         )
 
+    if (
+        model.mp_height is not None
+        and model.measuring_point_height_ft is not None
+        and model.mp_height != model.measuring_point_height_ft
+    ):
+        raise ValueError(
+            "Conflicting values for measuring point height: mp_height and measuring_point_height_ft"
+        )
+
+    if model.measuring_point_height_ft is not None:
+        universal_mp_height = model.measuring_point_height_ft
+    elif model.mp_height is not None:
+        universal_mp_height = model.mp_height
+    else:
+        universal_mp_height = None
+
     data = CreateWell(
         location_id=loc.id,
         group_id=group.id,
@@ -689,7 +705,7 @@ def _add_csv_row(session: Session, group: Group, model: WellInventoryRow, user)
         well_depth=model.total_well_depth_ft,
         well_depth_source=model.depth_source,
         well_casing_diameter=model.casing_diameter_ft,
-        measuring_point_height=model.measuring_point_height_ft,
+        measuring_point_height=universal_mp_height,
         measuring_point_description=model.measuring_point_description,
         well_completion_date=model.date_drilled,
         well_completion_date_source=model.completion_source,
@@ -821,6 +837,11 @@ def _add_csv_row(session: Session, group: Group, model: WellInventoryRow, user)
         session.add(sample)
         session.flush()
 
+        if model.depth_to_water_ft is not None and universal_mp_height is None:
+            raise ValueError(
+                "measuring_point_height_ft or mp_height is required when depth_to_water_ft is provided for a non-null observation"
+            )
+
         # create Observation
         # TODO: groundwater_level_reason may be conditionally required for null depth_to_water_ft - handle accordingly
         observation = Observation(
@@ -829,7 +850,7 @@ def _add_csv_row(session: Session, group: Group, model: WellInventoryRow, user)
             value=model.depth_to_water_ft,
             unit="ft",
             observation_datetime=model.measurement_date_time,
-            measuring_point_height=model.mp_height,
+            measuring_point_height=universal_mp_height,
             groundwater_level_reason=(
                 model.level_status.value
                 if hasattr(model.level_status, "value")

tests/test_well_inventory.py

@@ -481,7 +481,7 @@ def test_well_inventory_db_contents_with_waterlevels(tmp_path):
             "sample_method": "Steel-tape measurement",
             "data_quality": "Water level accurate to within two hundreths of a foot",
             "water_level_notes": "Attempted measurement",
-            "mp_height_ft": 2.5,
+            "mp_height_ft": 3.5,
             "level_status": "Water level not affected",
         }
     )
@@ -529,6 +529,160 @@ def test_well_inventory_db_contents_with_waterlevels(tmp_path):
         assert observation.sample == sample
 
 
+def test_measuring_point_height_ft_used_for_thing_and_observation(tmp_path):
+    """When measuring_point_height_ft is provided it is used for the thing's (MeasuringPointHistory) and observation's measuring_point_height values."""
+    row = _minimal_valid_well_inventory_row()
+    row.update(
+        {
+            "measuring_point_height_ft": 3.5,
+            "water_level_date_time": "2025-02-15T10:30:00",
+            "depth_to_water_ft": "8",
+            "sample_method": "Steel-tape measurement",
+            "data_quality": "Water level accurate to within two hundreths of a foot",
+            "water_level_notes": "Attempted measurement",
+        }
+    )
+
+    file_path = tmp_path / "well-inventory-blank-depth.csv"
+    with file_path.open("w", encoding="utf-8", newline="") as f:
+        writer = csv.DictWriter(f, fieldnames=list(row.keys()))
+        writer.writeheader()
+        writer.writerow(row)
+
+    result = well_inventory_csv(file_path)
+    assert result.exit_code == 0, result.stderr
+
+    with session_ctx() as session:
+        things = session.query(Thing).all()
+        observations = session.query(Observation).all()
+
+        assert len(things) == 1
+        assert things[0].measuring_point_height == 3.5
+        assert len(observations) == 1
+        assert observations[0].measuring_point_height == 3.5
+
+
+def test_mp_height_used_for_thing_and_observation_when_measuring_point_height_ft_blank(
+    tmp_path,
+):
+    """When depth to water is provided and measuring_point_height_ft is blank the mp_height value should be used for the thing's (MeasuringPointHistory) and observation's measuring_point_height."""
+    row = _minimal_valid_well_inventory_row()
+    row.update(
+        {
+            "measuring_point_height_ft": "",
+            "water_level_date_time": "2025-02-15T10:30:00",
+            "depth_to_water_ft": "8",
+            "sample_method": "Steel-tape measurement",
+            "data_quality": "Water level accurate to within two hundreths of a foot",
+            "water_level_notes": "Attempted measurement",
+            "mp_height": 4.0,
+        }
+    )
+
+    file_path = tmp_path / "well-inventory-blank-depth.csv"
+    with file_path.open("w", encoding="utf-8", newline="") as f:
+        writer = csv.DictWriter(f, fieldnames=list(row.keys()))
+        writer.writeheader()
+        writer.writerow(row)
+
+    result = well_inventory_csv(file_path)
+    assert result.exit_code == 0, result.stderr
+
+    with session_ctx() as session:
+        things = session.query(Thing).all()
+        observations = session.query(Observation).all()
+
+        assert len(things) == 1
+        assert things[0].measuring_point_height == 4.0
+        assert len(observations) == 1
+        assert observations[0].measuring_point_height == 4.0
+
+
+def test_null_observation_allows_blank_mp_height(tmp_path):
+    """When depth to water is not provided (ie null), blank measuring_point_height_ft and mp_height fields should be allowed and result in a null measuring_point_height for the observation and no associated measuring point height (MeasuringPointHistory) for the well."""
+    row = _minimal_valid_well_inventory_row()
+    row.update(
+        {
+            "measuring_point_height_ft": "",
+            "water_level_date_time": "2025-02-15T10:30:00",
+            "depth_to_water_ft": "",
+            "sample_method": "Steel-tape measurement",
+            "data_quality": "Water level accurate to within two hundreths of a foot",
+            "water_level_notes": "Attempted measurement",
+        }
+    )
+
+    file_path = tmp_path / "well-inventory-blank-depth.csv"
+    with file_path.open("w", encoding="utf-8", newline="") as f:
+        writer = csv.DictWriter(f, fieldnames=list(row.keys()))
+        writer.writeheader()
+        writer.writerow(row)
+
+    result = well_inventory_csv(file_path)
+    assert result.exit_code == 0, result.stderr
+
+    with session_ctx() as session:
+        things = session.query(Thing).all()
+        observations = session.query(Observation).all()
+
+        assert len(things) == 1
+        assert things[0].measuring_point_height is None
+        assert len(observations) == 1
+        assert observations[0].measuring_point_height is None
+
+
+def test_conflicting_mp_heights_raises_error(tmp_path):
+    """
+    When both measuring_point_height_ft and mp_height are provided, an inequality (conflict) should raise an error.
+    """
+    row = _minimal_valid_well_inventory_row()
+
+    row.update(
+        {
+            "measuring_point_height_ft": 3.5,
+            "mp_height": 4.0,
+        }
+    )
+
+    file_path = tmp_path / "well-inventory-blank-depth.csv"
+    with file_path.open("w", encoding="utf-8", newline="") as f:
+        writer = csv.DictWriter(f, fieldnames=list(row.keys()))
+        writer.writeheader()
+        writer.writerow(row)
+
+    result = well_inventory_csv(file_path)
+    assert result.exit_code == 1, result.stderr
+    assert (
+        result.payload["validation_errors"][0]["error"]
+        == "Conflicting values for measuring point height: mp_height and measuring_point_height_ft"
+    )
+
+
+def test_no_mp_height_raises_error_when_depth_to_water_provided(tmp_path):
+    row = _minimal_valid_well_inventory_row()
+    row.update(
+        {
+            "water_level_date_time": "2025-02-15T10:30:00",
+            "measuring_point_height_ft": "",
+            "mp_height": "",
+            "depth_to_water_ft": "8",
+        }
+    )
+
+    file_path = tmp_path / "well-inventory-no-mp-height.csv"
+    with file_path.open("w", encoding="utf-8", newline="") as f:
+        writer = csv.DictWriter(f, fieldnames=list(row.keys()))
+        writer.writeheader()
+        writer.writerow(row)
+
+    result = well_inventory_csv(file_path)
+    assert result.exit_code == 1, result.stderr
+    assert (
+        result.payload["validation_errors"][0]["error"]
+        == "measuring_point_height_ft or mp_height is required when depth_to_water_ft is provided for a non-null observation"
+    )
+
+
 def test_blank_depth_to_water_still_creates_water_level_records(tmp_path):
     """Blank depth-to-water is treated as missing while preserving the attempted measurement."""
     row = _minimal_valid_well_inventory_row()
@@ -539,7 +693,7 @@ def test_blank_depth_to_water_still_creates_water_level_records(tmp_path):
             "sample_method": "Steel-tape measurement",
             "data_quality": "Water level accurate to within two hundreths of a foot",
             "water_level_notes": "Attempted measurement",
-            "mp_height_ft": 2.5,
+            "mp_height_ft": 3.5,
         }
     )
 
@@ -563,7 +717,7 @@ def test_blank_depth_to_water_still_creates_water_level_records(tmp_path):
             "2025-02-15T10:30:00Z"
         )
         assert observations[0].value is None
-        assert observations[0].measuring_point_height == 2.5
+        assert observations[0].measuring_point_height == 3.5
 
 
 def test_rerunning_same_well_inventory_csv_is_idempotent():