From b01ee24d551ef74b5a4207c3be74317f054ff35f Mon Sep 17 00:00:00 2001
From: dgtlmoon <dgtlmoon@gmail.com>
Date: Thu, 19 May 2022 15:14:36 +0200
Subject: [PATCH] POC

---
 changedetectionio/__init__.py | 24 +++++++++++-
 changedetectionio/api_v1.py   | 72 +++++++++++++++++++++++++++++++++++
 changedetectionio/store.py    |  7 +++-
 requirements.txt              |  1 +
 4 files changed, 102 insertions(+), 2 deletions(-)
 create mode 100644 changedetectionio/api_v1.py

diff --git a/changedetectionio/__init__.py b/changedetectionio/__init__.py
index 9df27eb2..7f8c1a69 100644
--- a/changedetectionio/__init__.py
+++ b/changedetectionio/__init__.py
@@ -36,9 +36,11 @@ from flask import (
     url_for,
 )
 from flask_login import login_required
+from flask_restful import reqparse, abort, Api, Resource
+
 from flask_wtf import CSRFProtect
 
-from changedetectionio import html_tools
+from changedetectionio import api_v1, html_tools
 
 __version__ = '0.39.13.1'
 
@@ -78,6 +80,8 @@ csrf.init_app(app)
 
 notification_debug_log=[]
 
+watch_api = Api(app, decorators=[csrf.exempt])
+
 def init_app_secret(datastore_path):
     secret = ""
 
@@ -179,6 +183,24 @@ def changedetection_app(config=None, datastore_o=None):
     login_manager.login_view = 'login'
     app.secret_key = init_app_secret(config['datastore_path'])
 
+
+    watch_api.add_resource(api_v1.WatchSingleHistory,
+                           '/api/v1/watch/<string:uuid>/history/<int:timestamp>',
+                           resource_class_kwargs={'datastore': datastore})
+
+    watch_api.add_resource(api_v1.WatchHistory,
+                           '/api/v1/watch/<string:uuid>/history',
+                           resource_class_kwargs={'datastore': datastore})
+
+    watch_api.add_resource(api_v1.CreateWatch, '/api/v1/watch',
+                           resource_class_kwargs={'datastore': datastore})
+
+    watch_api.add_resource(api_v1.Watch, '/api/v1/watch/<string:uuid>', resource_class_kwargs={'datastore': datastore})
+
+
+
+
+
     # Setup cors headers to allow all domains
     # https://flask-cors.readthedocs.io/en/latest/
     #    CORS(app)
diff --git a/changedetectionio/api_v1.py b/changedetectionio/api_v1.py
new file mode 100644
index 00000000..65906545
--- /dev/null
+++ b/changedetectionio/api_v1.py
@@ -0,0 +1,72 @@
+from flask_restful import reqparse, abort, Api, Resource
+from flask import request
+# https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+
+class Watch(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    def get(self, uuid):
+        watch = self.datastore.data['watching'].get(uuid)
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+
+        return watch
+
+    def delete(self, uuid):
+        if not self.datastore.data['watching'].get(uuid):
+            abort(400, message='No watch exists with the UUID of {}'.format(uuid))
+
+        self.datastore.delete(uuid)
+        return '', 204
+
+
+
+
+class WatchHistory(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    def get(self, uuid, timestamp):
+        watch = self.datastore.data['watching'].get(uuid)
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+
+        def delete(self, timestamp):
+            # Delete all history by timestamp or 'all'
+            return '', 204
+        return watch
+
+class WatchSingleHistory(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    def get(self, uuid, timestamp):
+        watch = self.datastore.data['watching'].get(uuid)
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+
+        return watch
+
+    def delete(self, uuid, timestamp):
+        if not self.datastore.data['watching'].get(uuid):
+            abort(400, message='No watch exists with the UUID of {}'.format(uuid))
+
+        self.datastore.delete(uuid)
+        return '', 204
+
+class CreateWatch(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    def post(self):
+        # "Fields" for validation?
+        tag = request.form.get('tag', '')
+        new_uuid = self.datastore.add_watch(url=request.form.get('url').strip(), tag=tag)
+        return new_uuid, 201
+
+
diff --git a/changedetectionio/store.py b/changedetectionio/store.py
index 5c41f8ca..848ff490 100644
--- a/changedetectionio/store.py
+++ b/changedetectionio/store.py
@@ -211,7 +211,8 @@ class ChangeDetectionStore:
     def get_all_tags(self):
         tags = []
         for uuid, watch in self.data['watching'].items():
-
+            if watch['tag'] is None:
+                continue
             # Support for comma separated list of tags.
             for tag in watch['tag'].split(','):
                 tag = tag.strip()
@@ -280,6 +281,10 @@ class ChangeDetectionStore:
     def add_watch(self, url, tag="", extras=None, write_to_disk_now=True):
         if extras is None:
             extras = {}
+        # should always be str
+        if tag is None or not tag:
+            tag=''
+
         # Incase these are copied across, assume it's a reference and deepcopy()
         apply_extras = deepcopy(extras)
 
diff --git a/requirements.txt b/requirements.txt
index 468dca88..9ce85a48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,7 @@ timeago ~=1.0
 inscriptis ~= 2.2
 feedgen ~= 0.9
 flask-login ~= 0.5
+flask_restful
 pytz
 
 # Set these versions together to avoid a RequestsDependencyWarning