From b66a6f182bb048a41d149be2f57c0b3250dd55bc Mon Sep 17 00:00:00 2001
From: Finn van Krieken <fvankrieken@planning.nyc.gov>
Date: Tue, 12 Nov 2024 17:08:42 -0500
Subject: [PATCH] chk - half-baked geom comparisons

---
 dcpy/data/compare.py           | 25 +++++++++++++++++++++++++
 dcpy/models/data/comparison.py | 14 +++++++++++++-
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/dcpy/data/compare.py b/dcpy/data/compare.py
index af87f21cd..e09b02795 100644
--- a/dcpy/data/compare.py
+++ b/dcpy/data/compare.py
@@ -1,9 +1,34 @@
 import pandas as pd
+# from shapely import Geometry, Point
 
 from dcpy.models.data import comparison
 from dcpy.utils import postgres
 
 
+def compare_sql_geometries(
+    left_table: str,
+    left_column: str,
+    right_table: str,
+    right_column: str,
+    client: postgres.PostgresClient,
+):
+    _query = """
+
+    """
+    return comparison.Geometry(
+        **{  # type: ignore
+            "geometry": {},
+            "n_vertices": {},
+            "start_vertex": {},
+            "end_vertex": {},
+            "area": {},
+            "percent_intersect": {},
+            "length": {},
+            "bbox": {},
+        }
+    )
+
+
 def compare_df_columns(left: pd.DataFrame, right: pd.DataFrame):
     lc_set = set(left.columns)
     rc_set = set(right.columns)
diff --git a/dcpy/models/data/comparison.py b/dcpy/models/data/comparison.py
index fadaa5fd5..1c9306ca1 100644
--- a/dcpy/models/data/comparison.py
+++ b/dcpy/models/data/comparison.py
@@ -1,6 +1,7 @@
 import pandas as pd
 from pydantic import BaseModel, Field
-from typing import TypeVar, Generic
+import shapely
+from typing import Generic, TypeVar
 
 from dcpy.models.base import ModelWithDataFrame
 
@@ -12,6 +13,17 @@ class Simple(BaseModel, Generic[T]):
     right: T
 
 
+class Geometry(BaseModel):
+    geometry: Simple[shapely.Geometry]
+    n_vertices: Simple[int]
+    start_vertex: Simple[shapely.Point] | None
+    end_vertex: Simple[shapely.Point] | None
+    area: Simple[float] | None
+    percent_intersect: Simple[float] | None
+    length: Simple[float] | None
+    bbox: Simple[tuple] | None
+
+
 class Columns(BaseModel):
     both: set[str]
     left_only: set[str]