clean actionView of Snapshot section put in other class

ereuse_devicehub/resources/action/views.py

@@ -16,8 +16,6 @@ from teal.db import ResourceNotFound
 
 from ereuse_devicehub.db import db
 from ereuse_devicehub.query import things_response
-from ereuse_devicehub.resources.action.schemas import Action as s_Action
-from ereuse_devicehub.resources.action.schemas import Trade as s_Trade
 from ereuse_devicehub.resources.action.models import (Action, RateComputer, Snapshot, VisualTest,
                                                       InitTransfer, Live, Allocate, Deallocate,
                                                       Trade, Confirm)
@@ -242,21 +240,20 @@ class ActionView(View):
         #   defs
         resource_def = app.resources[json['type']]
         if json['type'] == Snapshot.t:
-            tmp_snapshots = app.config['TMP_SNAPSHOTS']
-            path_snapshot = save_json(json, tmp_snapshots, g.user.email)
-            json.pop('debug', None)
-            a = resource_def.schema.load(json)
-            response = self.snapshot(a, resource_def)
-            move_json(tmp_snapshots, path_snapshot, g.user.email)
-            return response
+            snapshot = SnapshotView(json, resource_def, self.schema)
+            return snapshot.post()
+
         if json['type'] == VisualTest.t:
             pass
             # TODO JN add compute rate with new visual test and old components device
+
         if json['type'] == InitTransfer.t:
             return self.transfer_ownership()
+
         if json['type'] == Trade.t:
-            offer = OfferView(json)
+            offer = OfferView(json, resource_def, self.schema)
             return offer.post()
+
         a = resource_def.schema.load(json)
         Model = db.Model._decl_class_registry.data[json['type']]()
         action = Model(**a)
@@ -272,22 +269,42 @@ class ActionView(View):
         action = Action.query.filter_by(id=id).one()
         return self.schema.jsonify(action)
 
-    def snapshot(self, snapshot_json: dict, resource_def):
-        """Performs a Snapshot.
+    def transfer_ownership(self):
+        """Perform a InitTransfer action to change author_id of device"""
+        pass
     
-        See `Snapshot` section in docs for more info.
-        """
-        # Note that if we set the device / components into the snapshot
-        # model object, when we flush them to the db we will flush
-        # snapshot, and we want to wait to flush snapshot at the end
 
-        device = snapshot_json.pop('device')  # type: Computer
+class SnapshotView():
+    """Performs a Snapshot.
+
+    See `Snapshot` section in docs for more info.
+    """
+    # Note that if we set the device / components into the snapshot
+    # model object, when we flush them to the db we will flush
+    # snapshot, and we want to wait to flush snapshot at the end
+
+    def __init__(self, snapshot_json: dict, resource_def, schema):
+        self.schema = schema
+        self.snapshot_json = snapshot_json
+        self.resource_def = resource_def
+        self.tmp_snapshots = app.config['TMP_SNAPSHOTS']
+        self.path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
+        snapshot_json.pop('debug', None)
+        self.snapshot_json = resource_def.schema.load(snapshot_json)
+        self.response = self.build()
+        move_json(self.tmp_snapshots, self.path_snapshot, g.user.email)
+
+    def post(self):
+        return self.response
+
+    def build(self):
+        device = self.snapshot_json.pop('device')  # type: Computer
         components = None
-        if snapshot_json['software'] == (SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid):
-            components = snapshot_json.pop('components', None)  # type: List[Component]
+        if self.snapshot_json['software'] == (SnapshotSoftware.Workbench or SnapshotSoftware.WorkbenchAndroid):
+            components = self.snapshot_json.pop('components', None)  # type: List[Component]
             if isinstance(device, Computer) and device.hid:
                 device.add_mac_to_hid(components_snap=components)
-        snapshot = Snapshot(**snapshot_json)
+        snapshot = Snapshot(**self.snapshot_json)
 
         # Remove new actions from devices so they don't interfere with sync
         actions_device = set(e for e in device.actions_one)
@@ -299,7 +316,7 @@ class ActionView(View):
 
         assert not device.actions_one
         assert all(not c.actions_one for c in components) if components else True
-        db_device, remove_actions = resource_def.sync.run(device, components)
+        db_device, remove_actions = self.resource_def.sync.run(device, components)
 
         del device  # Do not use device anymore
         snapshot.device = db_device
@@ -341,16 +358,13 @@ class ActionView(View):
         db.session.commit()
         return ret
 
-    def transfer_ownership(self):
-        """Perform a InitTransfer action to change author_id of device"""
-        pass
-    
 
 class OfferView():
     """Handler for manager the offer/trade action register from post"""
 
-    def __init__(self, data):
-        a = s_Trade().load(data)
+    def __init__(self, data, resource_def, schema):
+        self.schema = schema
+        a = resource_def.schema.load(data)
         self.offer = Trade(**a)
         self.create_first_confirmation()
         self.create_phantom_account()
@@ -359,7 +373,7 @@ class OfferView():
 
     def post(self):
         db.session().final_flush()
-        ret = s_Action().jsonify(self.offer)
+        ret = self.schema.jsonify(self.offer)
         ret.status_code = 201
         db.session.commit()
         return ret