Fix automatic converstion of float values to int

Author: ahuarte47

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 
 - Corrected the closing of client connections in ES index management functions [#132](https://github.com/stac-utils/stac-fastapi-elasticsearch/issues/132)
+- Corrected the automatic converstion of float values to int when building Filter Clauses [#135](https://github.com/stac-utils/stac-fastapi-elasticsearch/issues/135)
 
 ## [v0.3.0]
 

stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/extensions/filter.py

@@ -114,6 +114,22 @@ def to_es(self):
         return self.date.isoformat()
 
 
+class FloatInt(float):
+    """Representation of Float/Int."""
+    @classmethod
+    def __get_validators__(cls):
+        """Return validator to use."""
+        yield cls.validate
+
+    @classmethod
+    def validate(cls, v):
+        """Validate input value."""
+        if isinstance(v, float):
+            return v
+        else:
+            return int(v)
+
+
 Arg = Union[
     "Clause",
     PropertyReference,
@@ -126,8 +142,7 @@ def to_es(self):
     Polygon,
     MultiPolygon,
     GeometryCollection,
-    int,
-    float,
+    FloatInt,
     str,
     bool,
 ]

stac_fastapi/elasticsearch/tests/extensions/test_filter.py

@@ -78,3 +78,34 @@ async def test_search_filter_ext_and(app_client, ctx):
 
     assert resp.status_code == 200
     assert len(resp.json()["features"]) == 1
+
+
+async def test_search_filter_extension_floats(app_client, ctx):
+    sun_elevation = ctx.item["properties"]["view:sun_elevation"]
+
+    params = {
+        "filter": {
+            "op": "and",
+            "args": [
+                {"op": "=", "args": [{"property": "id"}, ctx.item["id"]]},
+                {
+                    "op": ">",
+                    "args": [
+                        {"property": "properties.view:sun_elevation"},
+                        sun_elevation - 0.01,
+                    ],
+                },
+                {
+                    "op": "<",
+                    "args": [
+                        {"property": "properties.view:sun_elevation"},
+                        sun_elevation + 0.01,
+                    ],
+                },
+            ],
+        }
+    }
+    resp = await app_client.post("/search", json=params)
+
+    assert resp.status_code == 200
+    assert len(resp.json()["features"]) == 1