Allow api to publish config for maap-py (#116)

* Allow clients to get config from the api

* Add error handling for missing config

api/endpoints/environment.py

@@ -1,5 +1,6 @@
 import logging
 from flask_restx import Resource
+from flask import request
 from api.restplus import api
 from urllib.parse import urlsplit
 from api import settings
@@ -11,6 +12,26 @@
 ns = api.namespace('environment', description='Operations related to the MAAP environment')
 
 
+@ns.route('/config')
+class Config(Resource):
+    def get(self):
+        """
+        Request environment metadata for a current ADE hostname
+        :return:
+        """
+        try:
+            key = "CLIENT_SETTINGS"
+            config = getattr(settings, key)
+            maap_api_root = request.base_url.replace("/environment/config", '')
+            service = config.get("service")
+            service.update({"maap_api_root": maap_api_root})
+            return config
+        except ValueError as e:
+            logging.exception("No CLIENT_SETTINGS found in settings file")
+            return {}, 404
+
+
+
 @ns.route('/config/<string:ade_host>')
 class Config(Resource):
     def get(self, ade_host):

api/settings.py

@@ -114,3 +114,72 @@ def str2bool(v):
 
 # PORTAL PATHS
 PORTAL_ADMIN_DASHBOARD_PATH = os.getenv('PORTAL_ADMIN_DASHBOARD_PATH', '')
+
+CLIENT_SETTINGS = {
+    "maap_endpoint": {
+        "search_granule_url": "cmr/granules",
+        "search_collection_url": "cmr/collections",
+        "algorithm_register": "mas/algorithm",
+        "algorithm_build": "dps/algorithm/build",
+        "mas_algo": "mas/algorithm",
+        "dps_job": "dps/job",
+        "wmts": "wmts",
+        "member": "members/self",
+        "member_dps_token": "members/dps/userImpersonationToken",
+        "requester_pays": "members/self/awsAccess/requesterPaysBucket",
+        "edc_credentials": "members/self/awsAccess/edcCredentials/{endpoint_uri}",
+        "s3_signed_url": "members/self/presignedUrlS3/{bucket}/{key}",
+        "workspace_bucket_credentials": "members/self/awsAccess/workspaceBucket"
+    },
+    "service": {
+        "maap_token": "some-token",
+        "tiler_endpoint": "https://8e9mu91qr6.execute-api.us-east-1.amazonaws.com/production",
+    },
+    "search": {
+        "indexed_attributes" : [
+            "site_name,Site Name,string",
+            "data_format,Data Format,string",
+            "track_number,Track Number,float",
+            "polarization,Polarization,string",
+            "dataset_status,Dataset Status,string",
+            "geolocated,Geolocated,boolean",
+            "spat_res,Spatial Resolution,float",
+            "samp_freq,Sampling Frequency,float",
+            "acq_mode,Acquisition Mode,string",
+            "band_ctr_freq,Band Center Frequency,float",
+            "freq_band_name,Frequency Band Name,string",
+            "swath_width,Swath Width,float",
+            "field_view,Field of View,float",
+            "laser_foot_diam,Laser Footprint Diameter,float",
+            "pass_number,Pass Number,int",
+            "revisit_time,Revisit Time,float",
+            "flt_number,Flight Number,int",
+            "number_plots,Number of Plots,int",
+            "plot_area,Plot Area,float",
+            "subplot_size,Subplot Size,float",
+            "tree_ht_meas_status,Tree Height Measurement Status,boolean",
+            "br_ht_meas_status,Breast Height Measurement Status,boolean",
+            "br_ht,Breast Height,float",
+            "beam,Beam,int",
+            "intensity_status,intensity Status,boolean",
+            "ret_dens,Return Density,float",
+            "ret_per_pulse,Returns Per Pulse,string",
+            "min_diam_meas,Minimum Diameter Measured,float",
+            "allometric_model_appl,Allometric Model Applied,string",
+            "stem_mapped_status,Stem Mapped Status,boolean",
+            "br_ht_modeled_status,Breast Height Modeled Status,boolean",
+            "flt_alt,Flight Altitude,float",
+            "gnd_elev,Ground Elevation,float",
+            "hdg,Heading,float",
+            "swath_slant_rg_st_ang,Swath Slant Range Start Angle,float",
+            "azm_rg_px_spacing,Azimuth Range Pixel Spacing,float",
+            "slant_rg_px_spacing,Slant Range Pixel Spacing,float",
+            "acq_type,Acquisition Type,string",
+            "orbit_dir,Orbit Direction,string",
+            "modis_pft,MODIS PFT,string",
+            "wwf_ecorgn,WWF Ecoregion,string",
+            "band_ctr_wavelength,Band Center Wavelength,float",
+            "swath_slant_rg_end_ang,Swath Slant Range End Angle,float"
+        ]
+    }
+}