diff --git a/.gitignore b/.gitignore
index ba0430d..ebf0677 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
-__pycache__/
\ No newline at end of file
+test_pg.py
+cleansing_service.py
+
+__pycache__/
+data/
\ No newline at end of file
diff --git a/cleansing_service.py b/cleansing_service.py
deleted file mode 100644
index a3e3668..0000000
--- a/cleansing_service.py
+++ /dev/null
@@ -1,123 +0,0 @@
-from qgis.core import (
-    QgsVectorLayer,
-    QgsVectorLayerExporter,
-    QgsVectorFileWriter
-)
-import processing
-from typing import Dict
-from database import build_uri
-
-def load_layer(table_name: str):
-    uri = build_uri(table_name)
-    print('uri',uri)
-    layer = QgsVectorLayer(uri, table_name, "postgres")
-    print("Layer valid:", layer.isValid())
-    # print("Error:", layer.error().summary())
-    # print("FIELDS:", [f.name() for f in layer.fields()])
-    return layer
-
-def cleansing_layer(layer: QgsVectorLayer) -> Dict:
-
-    summary = {
-        "total_features_before": layer.featureCount(),
-        "invalid_geometries_before": 0,
-        "invalid_geometries_fixed": 0,
-        "duplicates_removed": 0,
-    }
-
-    # -------------------------
-    # 1. IDENTIFY INVALID GEOMETRY
-    # -------------------------
-    invalid_ids = []
-    for f in layer.getFeatures():
-        if not f.geometry().isGeosValid():
-            invalid_ids.append(f.id())
-
-    summary["invalid_geometries_before"] = len(invalid_ids)
-
-    # -------------------------
-    # 2. FIX INVALID GEOMETRY
-    # -------------------------
-    fixed = processing.run(
-        "native:fixgeometries",
-        {
-            "INPUT": layer,
-            "OUTPUT": "memory:"
-        }
-    )["OUTPUT"]
-
-    summary["invalid_geometries_fixed"] = len(invalid_ids)
-
-    # -------------------------
-    # 3. AUTO DETECT DUPLICATE KEY FIELD
-    # -------------------------
-    all_fields = [f.name() for f in fixed.fields()]
-
-    print("Detecting key fields:", all_fields)
-
-    key_fields = None
-
-    # (1) Prefer kolom "id"
-    if "id" in all_fields:
-        key_fields = ["id"]
-
-    # (2) Jika tidak ada, pilih kolom integer pertama
-    if key_fields is None:
-        int_cols = [f.name() for f in fixed.fields()
-                    if f.typeName().lower() in ["int", "integer", "bigint"]]
-        if int_cols:
-            key_fields = [int_cols[0]]
-
-    # (3) Jika tetap tidak ada, pakai semua kolom
-    if key_fields is None:
-        key_fields = all_fields
-
-    print("Using key field:", key_fields)
-
-    # -------------------------
-    # 4. REMOVE DUPLICATES BY ATTRIBUTE
-    # -------------------------
-    dedup = processing.run(
-        "native:removeduplicatesbyattribute",
-        {
-            "INPUT": fixed,
-            "FIELDS": key_fields,
-            "METHOD": 0,
-            "OUTPUT": "memory:"
-        }
-    )["OUTPUT"]
-
-    summary["duplicates_removed"] = (
-        fixed.featureCount() - dedup.featureCount()
-    )
-
-    # -------------------------
-    # 5. TRIM STRING FIELDS
-    # -------------------------
-    trimmed = processing.run(
-        "qgis:refactorfields",
-        {
-            "INPUT": dedup,
-            "FIELDS_MAPPING": [
-                {
-                    "expression": f"trim(\"{field.name()}\")"
-                    if field.typeName().lower() in ["text", "varchar"]
-                    else f"\"{field.name()}\"",
-                    "name": field.name(),
-                    "type": field.type(),
-                    "length": field.length(),
-                    "precision": field.precision()
-                }
-                for field in dedup.fields()
-            ],
-            "OUTPUT": "memory:"
-        }
-    )["OUTPUT"]
-
-    # -------------------------
-    # RESULT
-    # -------------------------
-    return {
-        "summary": summary,
-        "clean_layer": trimmed
-    }
diff --git a/data/exmpl.geojson b/data/exmpl.geojson
deleted file mode 100644
index 99c1af9..0000000
--- a/data/exmpl.geojson
+++ /dev/null
@@ -1,34 +0,0 @@
-{ "type": "FeatureCollection",
-  "features": [
-    { "type": "Feature",
-      "geometry": {"type": "Point", "coordinates": [102.0, 0.5]},
-      "properties": {"prop0": "value0"}
-      },
-    { "type": "Feature",
-      "geometry": {
-        "type": "LineString",
-        "coordinates": [
-          [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
-          ]
-        },
-      "properties": {
-        "prop0": "value0",
-        "prop1": 0.0
-        }
-      },
-    { "type": "Feature",
-       "geometry": {
-         "type": "Polygon",
-         "coordinates": [
-           [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
-             [100.0, 1.0], [100.0, 0.0] ]
-           ]
-
-       },
-       "properties": {
-         "prop0": "value0",
-         "prop1": {"this": "that"}
-         }
-       }
-    ]
-  }
\ No newline at end of file
diff --git a/test_pg.py b/test_pg.py
deleted file mode 100644
index b3b5f76..0000000
--- a/test_pg.py
+++ /dev/null
@@ -1,42 +0,0 @@
-import os, sys
-
-print("---- ENV CHECK ----")
-print("QGIS_PREFIX_PATH:", os.environ.get("QGIS_PREFIX_PATH"))
-print("PROJ_LIB:", os.environ.get("PROJ_LIB"))
-print("GDAL_DATA:", os.environ.get("GDAL_DATA"))
-print("QT_PLUGIN_PATH:", os.environ.get("QT_PLUGIN_PATH"))
-
-import glob
-
-print("\n--- SEARCH proj.db in QGIS PREFIX ---")
-print(glob.glob("/Applications/QGIS-LTR.app/**/proj.db", recursive=True))
-
-
-print("\n--- CHECK FILE EXISTS ---")
-print("proj.db exists? ", os.path.isfile(os.path.join(os.environ["PROJ_LIB"], "proj.db")))
-
-
-QGIS_APP = "/Applications/QGIS-LTR.app/Contents"
-QGIS_PREFIX = f"{QGIS_APP}/Resources"
-
-os.environ["QGIS_PREFIX_PATH"] = QGIS_PREFIX
-sys.path.append(f"{QGIS_PREFIX}/python")
-sys.path.append(f"{QGIS_PREFIX}/python/plugins")
-
-from qgis.core import QgsApplication, QgsVectorLayer
-
-qgs = QgsApplication([], False)
-qgs.initQgis()
-
-uri = (
-    "dbname='gisdb' host=localhost port=5432 user='postgres' password='postgres' "
-    "table=\"public\".\"dataset_metadata\" key='id' srid=4326"
-)
-
-layer = QgsVectorLayer(uri, "test", "postgres")
-
-print("Valid:", layer.isValid())
-print("Provider:", layer.providerType())
-print("Error summary:", layer.error().summary())
-
-qgs.exitQgis()