From b813bb97e3cdc1d17c5ef149a676e65c52abb14f Mon Sep 17 00:00:00 2001
From: sellnat77 <sell_nat@yahoo.com>
Date: Tue, 19 Nov 2019 20:45:40 -0800
Subject: [PATCH] Added asynchronicity to the backend and boilerplate services

---
 .gitignore                           |  2 ++
 server/requirements.txt              | 20 +++++++++++++++-
 server/src/app.py                    | 34 +++++++++++++++++++++-------
 server/src/services/__init__.py      |  0
 server/src/services/frequency.py     |  6 +++++
 server/src/services/time_to_close.py |  6 +++++
 server/src/settings.example.cfg      |  5 +++-
 7 files changed, 63 insertions(+), 10 deletions(-)
 create mode 100644 server/src/services/__init__.py
 create mode 100644 server/src/services/frequency.py
 create mode 100644 server/src/services/time_to_close.py

diff --git a/.gitignore b/.gitignore
index da1182e22..2ca305ab2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,5 @@ package-lock.json
 config.js
 .env
 settings.cfg
+
+__pycache__/
diff --git a/server/requirements.txt b/server/requirements.txt
index a6d2d3aa7..5067ec730 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -1,6 +1,24 @@
+aiofiles==0.4.0
+certifi==2019.9.11
+chardet==3.0.4
 Click==7.0
-Flask==1.1.1
+h11==0.8.1
+h2==3.1.1
+hpack==3.0.0
+httpcore==0.3.0
+httptools==0.0.13
+hyperframe==5.2.0
+idna==2.8
 itsdangerous==1.1.0
 Jinja2==2.10.3
 MarkupSafe==1.1.1
+multidict==4.5.2
+requests==2.22.0
+requests-async==0.5.0
+rfc3986==1.3.2
+sanic==19.9.0
+ujson==1.35
+urllib3==1.25.7
+uvloop==0.14.0
+websockets==8.1
 Werkzeug==0.16.0
diff --git a/server/src/app.py b/server/src/app.py
index 89d5100a3..87595cf7e 100644
--- a/server/src/app.py
+++ b/server/src/app.py
@@ -1,18 +1,36 @@
 import os
-import json
-from flask import Flask
+from sanic import Sanic
+from sanic.response import json
+from services.time_to_close import time_to_close
+from services.frequency import frequency
 
-app = Flask(__name__)
+app = Sanic(__name__)
 app.config.from_pyfile(os.path.join(os.getcwd(),'settings.cfg'))
 
 @app.route('/')
-def index():
-    return 'You hit the index'
+async def index(request):
+    return json('You hit the index')
+
+@app.route('/timetoclose')
+async def timetoclose(request):
+    ttc_worker = time_to_close()
+    # Insert time to close calculation here
+    return_data = ttc_worker.hello_world()
+
+    return json(return_data)
+
+@app.route('/requestfrequency')
+async def requestfrequency(request):
+    freq_worker = frequency()
+    # Insert frequency calculation here
+    return_data = freq_worker.hello_world()
+
+    return json(return_data)
 
 @app.route('/sample-data')
-def sample_route():
+async def sample_route(request):
     sample_dataset = {'cool_key':['value1', 'value2'], app.config['REDACTED']:app.config['REDACTED']}
-    return json.dumps(sample_dataset, indent=4)
+    return json(sample_dataset)
 
 if __name__ == '__main__':
-    app.run()
+    app.run(host=app.config['HOST'], port=app.config['PORT'], debug=app.config['DEBUG'])
diff --git a/server/src/services/__init__.py b/server/src/services/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/server/src/services/frequency.py b/server/src/services/frequency.py
new file mode 100644
index 000000000..d2deaa0f9
--- /dev/null
+++ b/server/src/services/frequency.py
@@ -0,0 +1,6 @@
+class frequency(object):
+    def __init__(self):
+        pass
+
+    def hello_world(self):
+        return {'response':'hello from frequency service'}
diff --git a/server/src/services/time_to_close.py b/server/src/services/time_to_close.py
new file mode 100644
index 000000000..6bb6c7f7f
--- /dev/null
+++ b/server/src/services/time_to_close.py
@@ -0,0 +1,6 @@
+class time_to_close(object):
+    def __init__(self):
+        pass
+
+    def hello_world(self):
+        return {'response':'hello from time to close service'}
diff --git a/server/src/settings.example.cfg b/server/src/settings.example.cfg
index ba54c9f48..2c13b19e0 100644
--- a/server/src/settings.example.cfg
+++ b/server/src/settings.example.cfg
@@ -1 +1,4 @@
-REDACTED=REDACTED
+DEBUG=True
+HOST="0.0.0.0"
+PORT="5000"
+REDACTED = "REDACTED"