fix: add template data extract example (#1011)

* feat: created an api to upload template files to s3

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* added templates in static folder

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: sujanadh <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/backend/app/projects/project_routes.py

@@ -1273,3 +1273,29 @@ async def get_task_status(
         message=task_message or None,
         # progress=some_func_to_get_progress,
     )
+
+
+from ..static import data_path
+
+
+@router.post("/templates")
+async def get_template_file(
+    file_type: str = Query(
+        ..., enum=["data_extracts", "form"], description="Choose file type"
+    )
+):
+    """Get template file.
+
+    Args: file_type: Type of template file.
+
+    returns: Requested file as a FileResponse.
+    """
+    file_type_paths = {
+        "data_extracts": f"{data_path}/template/template.geojson",
+        "form": f"{data_path}/template/template.xls",
+    }
+    file_path = file_type_paths.get(file_type)
+    filename = file_path.split("/")[-1]
+    return FileResponse(
+        file_path, media_type="application/octet-stream", filename=filename
+    )

src/backend/app/static/__init__.py

@@ -0,0 +1,23 @@
+# Copyright (c) 2022, 2023 Humanitarian OpenStreetMap Team
+#
+# This file is part of FMTM.
+#
+#     FMTM is free software: you can redistribute it and/or modify
+#     it under the terms of the GNU General Public License as published by
+#     the Free Software Foundation, either version 3 of the License, or
+#     (at your option) any later version.
+#
+#     FMTM is distributed in the hope that it will be useful,
+#     but WITHOUT ANY WARRANTY; without even the implied warranty of
+#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#     GNU General Public License for more details.
+#
+#     You should have received a copy of the GNU General Public License
+#     along with FMTM.  If not, see <https:#www.gnu.org/licenses/>.
+
+
+"""Static files."""
+
+import os
+
+data_path = os.path.dirname(os.path.abspath(__file__))

src/backend/app/static/template/template.geojson

@@ -0,0 +1,26 @@
+{
+  "type": "FeatureCollection",
+  "name": "sample_data_extract",
+  "crs": {
+    "type": "name",
+    "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" }
+  },
+  "features": [
+    {
+      "type": "Feature",
+      "properties": { "id": 1, "title": null },
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [85.927672852225669, 26.730898147144199],
+            [85.92779345357259, 26.731001012998917],
+            [85.927896319427305, 26.730859129061376],
+            [85.927779265178827, 26.730777545797284],
+            [85.927672852225669, 26.730898147144199]
+          ]
+        ]
+      }
+    }
+  ]
+}