feat (stac): enable transaction extensions

docker-compose.custom.yml

@@ -46,6 +46,9 @@ services:
       # https://github.com/developmentseed/eoAPI/issues/16
       # - TITILER_ENDPOINT=raster
       - TITILER_ENDPOINT=http://127.0.0.1:8082
+      # PgSTAC extensions
+      #- EOAPI_STAC_EXTENSIONS='["filter", "query", "sort", "fields", "pagination", "context", "transaction"]'
+      #- EOAPI_STAC_CORS_METHODS='GET,POST,PUT,OPTIONS'
     depends_on:
       - database
       - raster

runtime/eoapi/stac/eoapi/stac/app.py

@@ -3,16 +3,16 @@
 from contextlib import asynccontextmanager
 
 from eoapi.stac.config import ApiSettings, TilesApiSettings
-from eoapi.stac.config import extensions as PgStacExtensions
-from eoapi.stac.config import get_request_model as GETModel
-from eoapi.stac.config import post_request_model as POSTModel
 from eoapi.stac.extension import TiTilerExtension
+from eoapi.stac.extension import extensions_map as PgStacExtensions
 from fastapi import FastAPI
 from fastapi.responses import ORJSONResponse
 from stac_fastapi.api.app import StacApi
+from stac_fastapi.api.models import create_get_request_model, create_post_request_model
 from stac_fastapi.pgstac.config import Settings
 from stac_fastapi.pgstac.core import CoreCrudClient
 from stac_fastapi.pgstac.db import close_db_connection, connect_to_db
+from stac_fastapi.pgstac.types.search import PgstacSearch
 from starlette.middleware.cors import CORSMiddleware
 from starlette.requests import Request
 from starlette.responses import HTMLResponse
@@ -43,12 +43,22 @@ async def lifespan(app: FastAPI):
     await close_db_connection(app)
 
 
+if enabled_extensions := api_settings.extensions:
+    extensions = [
+        PgStacExtensions[extension_name] for extension_name in enabled_extensions
+    ]
+else:
+    extensions = list(PgStacExtensions.values())
+
+POSTModel = create_post_request_model(extensions, base_model=PgstacSearch)
+GETModel = create_get_request_model(extensions)
+
 api = StacApi(
     app=FastAPI(title=api_settings.name, lifespan=lifespan),
     title=api_settings.name,
     description=api_settings.name,
     settings=settings,
-    extensions=PgStacExtensions,
+    extensions=extensions,
     client=CoreCrudClient(post_request_model=POSTModel),
     search_get_request_model=GETModel,
     search_post_request_model=POSTModel,
@@ -63,7 +73,7 @@ async def lifespan(app: FastAPI):
         CORSMiddleware,
         allow_origins=api_settings.cors_origins,
         allow_credentials=True,
-        allow_methods=["GET", "POST", "OPTIONS"],
+        allow_methods=api_settings.cors_methods,
         allow_headers=["*"],
     )
 

runtime/eoapi/stac/eoapi/stac/config.py

@@ -1,35 +1,39 @@
 """API settings."""
 
 from functools import lru_cache
-from typing import Optional
+from typing import List, Optional
 
 import pydantic
-from stac_fastapi.api.models import create_get_request_model, create_post_request_model
-from stac_fastapi.extensions.core import (
-    ContextExtension,
-    FieldsExtension,
-    FilterExtension,
-    QueryExtension,
-    SortExtension,
-    TokenPaginationExtension,
-)
-from stac_fastapi.pgstac.extensions.filter import FiltersClient
-from stac_fastapi.pgstac.types.search import PgstacSearch
 
 
 class _ApiSettings(pydantic.BaseSettings):
     """API settings"""
 
     name: str = "eoAPI-stac"
     cors_origins: str = "*"
+    cors_methods: str = "GET,POST,OPTIONS"
     cachecontrol: str = "public, max-age=3600"
     debug: bool = False
 
+    extensions: List[str] = [
+        "filter",
+        "query",
+        "sort",
+        "fields",
+        "pagination",
+        "context",
+    ]
+
     @pydantic.validator("cors_origins")
     def parse_cors_origin(cls, v):
         """Parse CORS origins."""
         return [origin.strip() for origin in v.split(",")]
 
+    @pydantic.validator("cors_methods")
+    def parse_cors_methods(cls, v):
+        """Parse CORS methods."""
+        return [method.strip() for method in v.split(",")]
+
     class Config:
         """model config"""
 
@@ -69,17 +73,3 @@ def TilesApiSettings() -> _TilesApiSettings:
 
     """
     return _TilesApiSettings()
-
-
-extensions = [
-    FilterExtension(
-        client=FiltersClient(),
-    ),
-    QueryExtension(),
-    SortExtension(),
-    FieldsExtension(),
-    TokenPaginationExtension(),
-    ContextExtension(),
-]
-post_request_model = create_post_request_model(extensions, base_model=PgstacSearch)
-get_request_model = create_get_request_model(extensions)

runtime/eoapi/stac/eoapi/stac/extension.py

@@ -4,14 +4,58 @@
 from urllib.parse import urlencode
 
 import attr
+import pydantic
 from fastapi import APIRouter, FastAPI, HTTPException, Path, Query
-from fastapi.responses import RedirectResponse
+from fastapi.responses import ORJSONResponse, RedirectResponse
+from stac_fastapi.extensions.core import (
+    ContextExtension,
+    FieldsExtension,
+    FilterExtension,
+    QueryExtension,
+    SortExtension,
+    TokenPaginationExtension,
+    TransactionExtension,
+)
+from stac_fastapi.extensions.third_party import BulkTransactionExtension
+from stac_fastapi.pgstac.extensions.filter import FiltersClient
+from stac_fastapi.pgstac.transactions import BulkTransactionsClient, TransactionsClient
 from stac_fastapi.types.extension import ApiExtension
 from starlette.requests import Request
 
 router = APIRouter()
 
 
+class TransactionSettings(pydantic.BaseSettings):
+    """Simple API settings from stac-fastapi-pgstac Transaction Client.
+
+    ref: https://github.com/stac-utils/stac-fastapi/blob/09dac221d86fe70035aa6cddbc9a3f0de304aff5/stac_fastapi/types/stac_fastapi/types/config.py#L7-L37
+    """
+
+    enable_response_models: bool = False
+
+    class Config:
+        """Model config (https://pydantic-docs.helpmanual.io/usage/model_config/)."""
+
+        extra = "allow"
+        env_file = ".env"
+
+
+extensions_map = {
+    "query": QueryExtension(),
+    "sort": SortExtension(),
+    "fields": FieldsExtension(),
+    "pagination": TokenPaginationExtension(),
+    "context": ContextExtension(),
+    "filter": FilterExtension(client=FiltersClient()),
+    "transaction": TransactionExtension(
+        client=TransactionsClient(),
+        settings=TransactionSettings(),
+        response_class=ORJSONResponse,
+    ),
+    "bulk_transactions": BulkTransactionExtension(client=BulkTransactionsClient()),
+}
+
+
 @attr.s
 class TiTilerExtension(ApiExtension):
     """TiTiler extension."""