implement idf generator

hub_api/config.py

@@ -1,67 +0,0 @@
-"""
-Config
-SPDX - License - Identifier: LGPL - 3.0 - or -later
-Copyright © 2023 Project Peter Yefi peteryefi@gmail.com
-"""
-import distutils
-import os
-import platform
-from pathlib import Path
-
-import hub.helpers.dictionaries
-from hub.persistence.db_control import DBControl
-from hub.persistence.repository import Repository
-from hub.catalog_factories.energy_systems_catalog_factory import EnergySystemsCatalogFactory
-
-
-class Config:
-
-  def __init__(self):
-    dotenv_path = "{}/.local/etc/hub_api/.env".format(os.path.expanduser('~'))
-    if platform.system() == 'Linux':
-      dotenv_path = Path(dotenv_path).resolve()
-
-    environment = 'PROD'
-    database_name = 'montreal_retrofit'
-    self._database = DBControl(db_name=database_name, app_env=environment, dotenv_path=dotenv_path)
-    self._repository = Repository(db_name=database_name, app_env=environment, dotenv_path=dotenv_path)
-    self._energy_systems_catalog = EnergySystemsCatalogFactory('montreal_custom').catalog
-    self._dictionaries = {
-      'pluto': hub.helpers.dictionaries.Dictionaries().pluto_function_to_hub_function,
-      'htf': hub.helpers.dictionaries.Dictionaries().hft_function_to_hub_function,
-      'montreal': hub.helpers.dictionaries.Dictionaries().montreal_function_to_hub_function,
-      'alkis': hub.helpers.dictionaries.Dictionaries().alkis_function_to_hub_function,
-      'eilat': hub.helpers.dictionaries.Dictionaries().eilat_function_to_hub_function
-    }
-
-  @property
-  def database(self):
-    return self._database
-
-  @property
-  def repository(self):
-    return self._repository
-
-  @property
-  def energy_systems_catalog(self):
-    return self._energy_systems_catalog
-
-  @staticmethod
-  def max_file_size():
-    return 10 * 1024 * 1024  # 10 MB
-
-  @property
-  def function_dictionary(self, dictionary):
-    return self._dictionaries[dictionary]
-
-  @property
-  def insel(self):
-    return distutils.spawn.find_executable('insel')
-
-  @property
-  def sra(self):
-    return distutils.spawn.find_executable('sra')
-
-  @property
-  def base_uri(self):
-    return self._base_uri

hub_api/energy_plus/idf_generator.py

@@ -1,14 +1,51 @@
+import json
+import os
+from pathlib import Path
+
+from flask import request, Response, make_response, send_file
 from flask_restful import Resource
+from hub.city_model_structure.city import City
+from hub.exports.energy_building_exports_factory import EnergyBuildingsExportsFactory
+from hub.version import __version__ as version
 
 from hub_api.config import Config
+from hub_api.helpers.session_helper import refresh_session, session
 
 
 class IdfGenerator(Resource, Config):
   def __init__(self):
+    self._tmp_path = (Path(__file__).parent / 'tmp').resolve()
     super().__init__()
 
   def post(self):
     """
     API call generate the IDF file for the input data
     """
-    raise NotImplementedError()
+    session_id = request.headers.get('session-id', None)
+    token = request.headers.get('token', None)
+    application_uuid = request.headers.get('application-uuid', None)
+    _session = refresh_session(session_id, token, application_uuid)
+    if _session is None:
+      return Response(json.dumps({'error': 'unauthorized'}), status=403)
+    else:
+      token = _session['token']
+      application_id = session(session_id)['application_id']
+      user_id = session(session_id)['user_id']
+    tmp_path = (self._tmp_path / token).resolve()
+    try:
+      os.mkdir(tmp_path)
+    except FileExistsError:
+      pass
+    payload = request.get_json()
+    for key, value in payload.items():
+      db_city = self.database.get_city(self.database.building(value, user_id, application_id, key).city_id)
+      if version != db_city.hub_release:
+        return Response(json.dumps({
+          'error': 'The selected building belongs to an old hub release and cannot be loaded.'
+        }), status=422)
+      idf_file = tmp_path/db_city.name
+      city = City.load_compressed(db_city.pickle_path, idf_file)
+      EnergyBuildingsExportsFactory('idf', city, tmp_path, target_buildings=[value]).export()
+      response = make_response(send_file(idf_file))
+      response.headers['token'] = token
+      return response

hub_api/energy_plus/tmp/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

hub_api/helpers/session_helper.py

@@ -8,6 +8,7 @@ import shutil
 import time
 import uuid
 from copy import deepcopy
+from glob import glob
 from pathlib import Path
 
 sessions = {}
@@ -32,8 +33,13 @@ def expired_sessions_collector(session_timeout_duration):
         if _expire < datetime.datetime.now():
           print("session for user: ", _sessions[session_uuid]['user'], "expired.")
           response_path = (Path(__file__).parent.parent / f'response_files/{session_uuid}').resolve()
-          shutil.rmtree(response_path)
+          if response_path.exists():
+            shutil.rmtree(response_path)
           del sessions[session_uuid]
+      existing_directories = glob(f'{Path(__file__).parent.parent.resolve()}/response_files/*')
+      for directory in existing_directories:
+        if directory not in _sessions.keys():
+          shutil.rmtree(directory)
     time.sleep(60 * int(session_timeout_duration))
 
 

hub_api/workflow/insel_montly_energy_balance.py

@@ -49,10 +49,10 @@ class InselMonthlyEnergyBalance(Resource, Config):
   def _citygml(self, file_path):
     # try:
     year_of_construction_field = request.form.get('year_of_construction_field')
-    if year_of_construction_field is '':
+    if year_of_construction_field == '':
       year_of_construction_field = None
     function_field = request.form.get('function_field')
-    if function_field is '':
+    if function_field == '':
       function_field = None
     function_dictionary = self._dictionaries[request.form.get('function_to_hub')]
     return GeometryFactory('citygml',