api: Migrate to Flask Restful

This change updates the API to use Flask Restful instead of our own
in-house REST library. This change reduces the maintenance effort and
allows us to drastically simplify the API implementation needed for the
OpenDC v2 API.

1 files changed, 51 insertions, 0 deletions

diff --git a/opendc-web/opendc-web-api/opendc/api/traces.py b/opendc-web/opendc-web-api/opendc/api/traces.py
new file mode 100644
index 00000000..f685f00c
--- /dev/null
+++ b/opendc-web/opendc-web-api/opendc/api/traces.py
@@ -0,0 +1,51 @@
+#  Copyright (c) 2021 AtLarge Research
+#
+#  Permission is hereby granted, free of charge, to any person obtaining a copy
+#  of this software and associated documentation files (the "Software"), to deal
+#  in the Software without restriction, including without limitation the rights
+#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#  copies of the Software, and to permit persons to whom the Software is
+#  furnished to do so, subject to the following conditions:
+#
+#  The above copyright notice and this permission notice shall be included in all
+#  copies or substantial portions of the Software.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#  SOFTWARE.
+
+from flask_restful import Resource
+
+from opendc.exts import requires_auth
+from opendc.models.trace import Trace as TraceModel
+
+
+class TraceList(Resource):
+    """
+    Resource for the list of traces to pick from.
+    """
+    method_decorators = [requires_auth]
+
+    def get(self):
+        """Get all available Traces."""
+        traces = TraceModel.get_all()
+        data = traces.obj
+        return {'data': data}
+
+
+class Trace(Resource):
+    """
+    Resource representing a single trace.
+    """
+    method_decorators = [requires_auth]
+
+    def get(self, trace_id):
+        """Get trace information by identifier."""
+        trace = TraceModel.from_id(trace_id)
+        trace.check_exists()
+        data = trace.obj
+        return {'data': data}