Adding endpoint of metrics

ereuse_devicehub/config.py

@@ -15,6 +15,7 @@ from ereuse_devicehub.resources.documents import documents
 from ereuse_devicehub.resources.enums import PriceSoftware
 from ereuse_devicehub.resources.versions import versions
 from ereuse_devicehub.resources.allocate import definitions as allocate_def
+from ereuse_devicehub.resources.metric import definitions as metric_def
 
 
 class DevicehubConfig(Config):
@@ -29,8 +30,9 @@ class DevicehubConfig(Config):
                                      import_resource(documents),
                                      import_resource(inventory),
                                      import_resource(versions),
-                                     import_resource(allocate_def)),
-                               )
+                                     import_resource(allocate_def),
+                                     import_resource(metric_def),
+                               ),)
     PASSWORD_SCHEMES = {'pbkdf2_sha256'}  # type: Set[str]
     DB_USER = config('DB_USER', 'dhub')
     DB_PASSWORD = config('DB_PASSWORD', 'ereuse')

ereuse_devicehub/resources/metric/definitions.py

@@ -0,0 +1,32 @@
+from flask import request, g, jsonify
+from ereuse_devicehub.resources.action import schemas
+from teal.resource import Resource, View
+
+from ereuse_devicehub.resources.action.models import Allocate
+from ereuse_devicehub.resources.device import models as m
+from ereuse_devicehub.resources.metric.schema import Metric
+
+
+class MetricsView(View):
+    def find(self, args: dict):
+        self.params = request.get_json()
+        metrics = {
+                "allocateds": self.allocated(),
+                "live": 0,
+                "null": 0,
+        }
+        return jsonify(metrics)
+
+    def allocated(self):
+        return Allocate.query.filter(
+                Allocate.start_time.between(
+                    self.params['start_time'], self.params['end_time']
+                )
+        ).count()
+
+
+class MetricDef(Resource):
+    __type__ = 'Metric'
+    VIEW = MetricsView
+    SCHEMA = Metric
+    AUTH = True

ereuse_devicehub/resources/metric/schema.py

@@ -0,0 +1,11 @@
+from teal.resource import Schema
+from marshmallow.fields import DateTime
+
+class Metric(Schema):
+    """
+    This schema filter dates for search the metrics
+    """
+    start_time = DateTime(data_key='start_time', required=True,
+                          description="Start date for search metrics")
+    end_time = DateTime(data_key='end_time', required=True,
+                        description="End date for search metrics")