add snapshot of devicehub teal in formulary of snapshot

ereuse_devicehub/inventory/forms.py

@@ -1,10 +1,19 @@
+import json
 from flask_wtf import FlaskForm
-from wtforms import StringField, validators
+from wtforms import StringField, validators, MultipleFileField
-from flask import g
+from flask import g, request, app
+from sqlalchemy.util import OrderedSet
 
 from ereuse_devicehub.db import db
-from ereuse_devicehub.resources.device.models import Device
+from ereuse_devicehub.resources.device.models import Device, Computer
+from ereuse_devicehub.resources.action.models import RateComputer, Snapshot
+from ereuse_devicehub.resources.action.schemas import Snapshot as SnapshotSchema
 from ereuse_devicehub.resources.lot.models import Lot
+from ereuse_devicehub.resources.enums import SnapshotSoftware, Severity
+from ereuse_devicehub.resources.user.exceptions import InsufficientPermission
+from ereuse_devicehub.resources.action.rate.v1_0 import CannotRate
+from ereuse_devicehub.resources.device.sync import Sync
+from ereuse_devicehub.resources.action.views.snapshot import save_json, move_json
 
 
 class LotDeviceForm(FlaskForm):
@@ -75,6 +84,109 @@ class LotForm(FlaskForm):
         return self.instance
 
 
+class UploadSnapshotForm(FlaskForm):
+    snapshot = MultipleFileField(u'Select a Snapshot File', [validators.DataRequired()])
+
+    def validate(self, extra_validators=None):
+        is_valid = super().validate(extra_validators)
+
+        if not is_valid:
+            return False
+
+        data = request.files.getlist(self.snapshot.name)
+        if not data:
+            return False
+        self.snapshots = []
+        self.result = {}
+        for d in data:
+            filename = d.filename
+            self.result[filename] = 'Ok'
+            d = d.stream.read()
+            if not d:
+                self.result[filename] = 'Error'
+                continue
+            self.snapshots.append((filename, json.loads(d)))
+
+        if not self.snapshots:
+            return False
+
+        return True
+
+    def save(self):
+        if any([x == 'Error' for x in self.result.values()]):
+            return
+        # result = []
+        self.sync = Sync()
+        schema = SnapshotSchema()
+        # self.tmp_snapshots = app.config['TMP_SNAPSHOTS']
+        # TODO @cayop get correct var config
+        self.tmp_snapshots = '/tmp/'
+        for k, snapshot_json in self.snapshots:
+            path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
+            snapshot_json.pop('debug', None)
+            snapshot_json = schema.load(snapshot_json)
+            response = self.build(snapshot_json)
+            move_json(self.tmp_snapshots, path_snapshot, g.user.email)
+
+    def build(self, snapshot_json):
+        # this is a copy adaptated from ereuse_devicehub.resources.action.views.snapshot
+        device = 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 isinstance(device, Computer) and device.hid:
+                device.add_mac_to_hid(components_snap=components)
+        snapshot = Snapshot(**snapshot_json)
+
+        # Remove new actions from devices so they don't interfere with sync
+        actions_device = set(e for e in device.actions_one)
+        device.actions_one.clear()
+        if components:
+            actions_components = tuple(set(e for e in c.actions_one) for c in components)
+            for component in components:
+                component.actions_one.clear()
+
+        assert not device.actions_one
+        assert all(not c.actions_one for c in components) if components else True
+        db_device, remove_actions = self.sync.run(device, components)
+
+        del device  # Do not use device anymore
+        snapshot.device = db_device
+        snapshot.actions |= remove_actions | actions_device  # Set actions to snapshot
+        # commit will change the order of the components by what
+        # the DB wants. Let's get a copy of the list so we preserve order
+        ordered_components = OrderedSet(x for x in snapshot.components)
+
+        # Add the new actions to the db-existing devices and components
+        db_device.actions_one |= actions_device
+        if components:
+            for component, actions in zip(ordered_components, actions_components):
+                component.actions_one |= actions
+                snapshot.actions |= actions
+
+        if snapshot.software == SnapshotSoftware.Workbench:
+            # Check ownership of (non-component) device to from current.user
+            if db_device.owner_id != g.user.id:
+                raise InsufficientPermission()
+            # Compute ratings
+            try:
+                rate_computer, price = RateComputer.compute(db_device)
+            except CannotRate:
+                pass
+            else:
+                snapshot.actions.add(rate_computer)
+                if price:
+                    snapshot.actions.add(price)
+        elif snapshot.software == SnapshotSoftware.WorkbenchAndroid:
+            pass  # TODO try except to compute RateMobile
+        # Check if HID is null and add Severity:Warning to Snapshot
+        if snapshot.device.hid is None:
+            snapshot.severity = Severity.Warning
+
+        db.session.add(snapshot)
+        db.session().final_flush()
+
+
 class NewActionForm(FlaskForm):
     name = StringField(u'Name')
     date = StringField(u'Date')