Merge pull request #225 from eReuse/feature/list-snapshots-view-#3113

Feature/list snapshots view #3113

ereuse_devicehub/api/views.py

@@ -11,7 +11,7 @@ from werkzeug.exceptions import Unauthorized
 
 from ereuse_devicehub.auth import Auth
 from ereuse_devicehub.db import db
-from ereuse_devicehub.parser.models import SnapshotErrors
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.parser.parser import ParseSnapshotLsHw
 from ereuse_devicehub.parser.schemas import Snapshot_lite
 from ereuse_devicehub.resources.action.views.snapshot import (
@@ -59,6 +59,17 @@ class InventoryView(LoginMixin, SnapshotMixin):
 
         snapshot = self.build()
         db.session.add(snapshot)
+
+        snap_log = SnapshotsLog(
+            description='Ok',
+            snapshot_uuid=snapshot.uuid,
+            severity=Severity.Info,
+            sid=snapshot.sid,
+            version=str(snapshot.version),
+            snapshot=snapshot,
+        )
+        snap_log.save()
+
         db.session().final_flush()
         db.session.commit()
         self.response = jsonify(
@@ -80,8 +91,13 @@ class InventoryView(LoginMixin, SnapshotMixin):
             txt = "{}".format(err)
             uuid = snapshot_json.get('uuid')
             sid = snapshot_json.get('sid')
-            error = SnapshotErrors(
+            version = snapshot_json.get('version')
-                description=txt, snapshot_uuid=uuid, severity=Severity.Error, sid=sid
+            error = SnapshotsLog(
+                description=txt,
+                snapshot_uuid=uuid,
+                severity=Severity.Error,
+                sid=sid,
+                version=str(version),
             )
             error.save(commit=True)
             # raise err

ereuse_devicehub/inventory/forms.py

@@ -27,7 +27,7 @@ from wtforms import (
 from wtforms.fields import FormField
 
 from ereuse_devicehub.db import db
-from ereuse_devicehub.parser.models import SnapshotErrors
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.parser.parser import ParseSnapshotLsHw
 from ereuse_devicehub.parser.schemas import Snapshot_lite
 from ereuse_devicehub.resources.action.models import Snapshot, Trade
@@ -240,6 +240,9 @@ class UploadSnapshotForm(SnapshotMixin, FlaskForm):
             path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
             snapshot_json.pop('debug', None)
             version = snapshot_json.get('schema_api')
+            uuid = snapshot_json.get('uuid')
+            sid = snapshot_json.get('sid')
+            software_version = snapshot_json.get('version')
             if self.is_wb_lite_snapshot(version):
                 self.snapshot_json = schema_lite.load(snapshot_json)
                 snapshot_json = ParseSnapshotLsHw(self.snapshot_json).snapshot_json
@@ -248,13 +251,12 @@ class UploadSnapshotForm(SnapshotMixin, FlaskForm):
                 snapshot_json = schema.load(snapshot_json)
             except ValidationError as err:
                 txt = "{}".format(err)
-                uuid = snapshot_json.get('uuid')
+                error = SnapshotsLog(
-                sid = snapshot_json.get('sid')
-                error = SnapshotErrors(
                     description=txt,
                     snapshot_uuid=uuid,
                     severity=Severity.Error,
                     sid=sid,
+                    version=software_version,
                 )
                 error.save(commit=True)
                 self.result[filename] = 'Error'
@@ -263,6 +265,15 @@ class UploadSnapshotForm(SnapshotMixin, FlaskForm):
             response = self.build(snapshot_json)
             db.session.add(response)
             devices.append(response.device)
+            snap_log = SnapshotsLog(
+                description='Ok',
+                snapshot_uuid=uuid,
+                severity=Severity.Info,
+                sid=sid,
+                version=software_version,
+                snapshot=response,
+            )
+            snap_log.save()
 
             if hasattr(response, 'type'):
                 self.result[filename] = 'Ok'

ereuse_devicehub/inventory/views.py

@@ -25,6 +25,7 @@ from ereuse_devicehub.inventory.forms import (
     UploadSnapshotForm,
 )
 from ereuse_devicehub.labels.forms import PrintLabelsForm
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.resources.action.models import Trade
 from ereuse_devicehub.resources.device.models import Computer, DataStorage, Device
 from ereuse_devicehub.resources.documents.device_row import ActionRow, DeviceRow
@@ -512,6 +513,70 @@ class ExportsView(View):
         return flask.render_template('inventory/erasure.html', **params)
 
 
+class SnapshotListView(GenericMixin):
+    template_name = 'inventory/snapshots_list.html'
+
+    def dispatch_request(self):
+        self.get_context()
+        self.context['page_title'] = "Snapshots Logs"
+        self.context['snapshots_log'] = self.get_snapshots_log()
+
+        return flask.render_template(self.template_name, **self.context)
+
+    def get_snapshots_log(self):
+        snapshots_log = SnapshotsLog.query.filter(
+            SnapshotsLog.owner == g.user
+        ).order_by(SnapshotsLog.created.desc())
+        logs = {}
+        for snap in snapshots_log:
+            if snap.snapshot_uuid not in logs:
+                logs[snap.snapshot_uuid] = {
+                    'sid': snap.sid,
+                    'snapshot_uuid': snap.snapshot_uuid,
+                    'version': snap.version,
+                    'device': snap.get_device(),
+                    'status': snap.get_status(),
+                    'severity': snap.severity,
+                    'created': snap.created,
+                }
+                continue
+
+            if snap.created > logs[snap.snapshot_uuid]['created']:
+                logs[snap.snapshot_uuid]['created'] = snap.created
+
+            if snap.severity > logs[snap.snapshot_uuid]['severity']:
+                logs[snap.snapshot_uuid]['severity'] = snap.severity
+                logs[snap.snapshot_uuid]['status'] = snap.get_status()
+
+        result = sorted(logs.values(), key=lambda d: d['created'])
+        result.reverse()
+
+        return result
+
+
+class SnapshotDetailView(GenericMixin):
+    template_name = 'inventory/snapshot_detail.html'
+
+    def dispatch_request(self, snapshot_uuid):
+        self.snapshot_uuid = snapshot_uuid
+        self.get_context()
+        self.context['page_title'] = "Snapshot Detail"
+        self.context['snapshots_log'] = self.get_snapshots_log()
+        self.context['snapshot_uuid'] = snapshot_uuid
+        self.context['snapshot_sid'] = ''
+        if self.context['snapshots_log'].count():
+            self.context['snapshot_sid'] = self.context['snapshots_log'][0].sid
+
+        return flask.render_template(self.template_name, **self.context)
+
+    def get_snapshots_log(self):
+        return (
+            SnapshotsLog.query.filter(SnapshotsLog.owner == g.user)
+            .filter(SnapshotsLog.snapshot_uuid == self.snapshot_uuid)
+            .order_by(SnapshotsLog.created.desc())
+        )
+
+
 devices.add_url_rule('/action/add/', view_func=NewActionView.as_view('action_add'))
 devices.add_url_rule('/action/trade/add/', view_func=NewTradeView.as_view('trade_add'))
 devices.add_url_rule(
@@ -558,3 +623,8 @@ devices.add_url_rule(
 devices.add_url_rule(
     '/export/<string:export_id>/', view_func=ExportsView.as_view('export')
 )
+devices.add_url_rule('/snapshots/', view_func=SnapshotListView.as_view('snapshotslist'))
+devices.add_url_rule(
+    '/snapshots/<string:snapshot_uuid>/',
+    view_func=SnapshotDetailView.as_view('snapshot_detail'),
+)

ereuse_devicehub/migrations/versions/926865284103_snapshot_log.py

@@ -0,0 +1,102 @@
+"""snapshot_log
+
+Revision ID: 926865284103
+Revises: 6f6771813f2e
+Create Date: 2022-05-17 17:57:46.651106
+
+"""
+import citext
+import sqlalchemy as sa
+from alembic import context, op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '926865284103'
+down_revision = '6f6771813f2e'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+
+def upgrade():
+    op.create_table(
+        'snapshots_log',
+        sa.Column(
+            'updated',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+            comment='The last time Devicehub recorded a change for \n    this thing.\n    ',
+        ),
+        sa.Column(
+            'created',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+            comment='When Devicehub created this.',
+        ),
+        sa.Column('id', sa.BigInteger(), nullable=False),
+        sa.Column('description', citext.CIText(), nullable=True),
+        sa.Column('version', citext.CIText(), nullable=True),
+        sa.Column('sid', citext.CIText(), nullable=True),
+        sa.Column('severity', sa.SmallInteger(), nullable=False),
+        sa.Column('snapshot_uuid', postgresql.UUID(as_uuid=True), nullable=True),
+        sa.Column('snapshot_id', postgresql.UUID(as_uuid=True), nullable=True),
+        sa.Column('owner_id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.ForeignKeyConstraint(
+            ['snapshot_id'],
+            [f'{get_inv()}.snapshot.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['owner_id'],
+            ['common.user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
+        schema=f'{get_inv()}',
+    )
+    op.execute(f"CREATE SEQUENCE {get_inv()}.snapshots_log_seq START 1;")
+
+    op.drop_table('snapshot_errors', schema=f'{get_inv()}')
+    op.execute(f"DROP SEQUENCE {get_inv()}.snapshot_errors_seq;")
+
+
+def downgrade():
+    op.drop_table('snapshots_log', schema=f'{get_inv()}')
+    op.execute(f"DROP SEQUENCE {get_inv()}.snapshots_log_seq;")
+
+    op.create_table(
+        'snapshot_errors',
+        sa.Column(
+            'updated',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+            comment='The last time Devicehub recorded a change for \n    this thing.\n    ',
+        ),
+        sa.Column(
+            'created',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+            comment='When Devicehub created this.',
+        ),
+        sa.Column('id', sa.BigInteger(), nullable=False),
+        sa.Column('description', citext.CIText(), nullable=False),
+        sa.Column('snapshot_uuid', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('severity', sa.SmallInteger(), nullable=False),
+        sa.Column('sid', citext.CIText(), nullable=True),
+        sa.Column('owner_id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.ForeignKeyConstraint(
+            ['owner_id'],
+            ['common.user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
+        schema=f'{get_inv()}',
+    )
+    op.execute(f"CREATE SEQUENCE {get_inv()}.snapshot_errors_seq START 1;")

ereuse_devicehub/parser/computer.py

@@ -14,7 +14,7 @@ from ereuse_utils.nested_lookup import (
 )
 
 from ereuse_devicehub.parser import base2, unit, utils
-from ereuse_devicehub.parser.models import SnapshotErrors
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.parser.utils import Dumpeable
 from ereuse_devicehub.resources.enums import Severity
 
@@ -422,7 +422,7 @@ class Computer(Device):
         self._ram = None
 
     @classmethod
-    def run(cls, lshw, hwinfo_raw, uuid=None, sid=None):
+    def run(cls, lshw, hwinfo_raw, uuid=None, sid=None, version=None):
         """
         Gets hardware information from the computer and its components,
         like serial numbers or model names, and benchmarks them.
@@ -447,18 +447,24 @@ class Computer(Device):
             txt = "Error: Snapshot: {uuid}, sid: {sid}, type_error: {type}, error: {error}".format(
                 uuid=uuid, sid=sid, type=err.__class__, error=err
             )
-            cls.errors(txt, uuid=uuid, sid=sid)
+            cls.errors(txt, uuid=uuid, sid=sid, version=version)
 
         return computer, components
 
     @classmethod
-    def errors(cls, txt=None, uuid=None, sid=None, severity=Severity.Error):
+    def errors(
+        cls, txt=None, uuid=None, sid=None, version=None, severity=Severity.Error
+    ):
         if not txt:
             return
 
         logger.error(txt)
-        error = SnapshotErrors(
+        error = SnapshotsLog(
-            description=txt, snapshot_uuid=uuid, severity=severity, sid=sid
+            description=txt,
+            snapshot_uuid=uuid,
+            severity=severity,
+            sid=sid,
+            version=version,
         )
         error.save()
 

ereuse_devicehub/parser/models.py

@@ -4,25 +4,29 @@ from sqlalchemy import BigInteger, Column, Sequence, SmallInteger
 from sqlalchemy.dialects.postgresql import UUID
 
 from ereuse_devicehub.db import db
+from ereuse_devicehub.resources.action.models import Snapshot
 from ereuse_devicehub.resources.enums import Severity
 from ereuse_devicehub.resources.models import Thing
 from ereuse_devicehub.resources.user.models import User
 
 
-class SnapshotErrors(Thing):
+class SnapshotsLog(Thing):
-    """A Snapshot errors."""
+    """A Snapshot log."""
 
-    id = Column(BigInteger, Sequence('snapshot_errors_seq'), primary_key=True)
+    id = Column(BigInteger, Sequence('snapshots_log_seq'), primary_key=True)
-    description = Column(CIText(), default='', nullable=False)
-    sid = Column(CIText(), nullable=True)
     severity = Column(SmallInteger, default=Severity.Info, nullable=False)
-    snapshot_uuid = Column(UUID(as_uuid=True), nullable=False)
+    version = Column(CIText(), default='', nullable=True)
+    description = Column(CIText(), default='', nullable=True)
+    sid = Column(CIText(), nullable=True)
+    snapshot_uuid = Column(UUID(as_uuid=True), nullable=True)
+    snapshot_id = Column(UUID(as_uuid=True), db.ForeignKey(Snapshot.id), nullable=True)
     owner_id = db.Column(
         UUID(as_uuid=True),
         db.ForeignKey(User.id),
         nullable=False,
         default=lambda: g.user.id,
     )
+    snapshot = db.relationship(Snapshot, primaryjoin=snapshot_id == Snapshot.id)
     owner = db.relationship(User, primaryjoin=owner_id == User.id)
 
     def save(self, commit=False):
@@ -30,3 +34,12 @@ class SnapshotErrors(Thing):
 
         if commit:
             db.session.commit()
+
+    def get_status(self):
+        return Severity(self.severity)
+
+    def get_device(self):
+        if self.snapshot:
+            return self.snapshot.device.devicehub_id
+
+        return ''

ereuse_devicehub/parser/parser.py

@@ -8,7 +8,7 @@ from marshmallow.exceptions import ValidationError
 
 from ereuse_devicehub.parser import base2
 from ereuse_devicehub.parser.computer import Computer
-from ereuse_devicehub.parser.models import SnapshotErrors
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.resources.action.schemas import Snapshot
 from ereuse_devicehub.resources.enums import DataStorageInterface, Severity
 
@@ -320,6 +320,7 @@ class ParseSnapshotLsHw:
         self.default = default
         self.uuid = snapshot.get("uuid")
         self.sid = snapshot.get("sid")
+        self.version = str(snapshot.get("version"))
         self.dmidecode_raw = snapshot["data"]["dmidecode"]
         self.smart = snapshot["data"]["smart"]
         self.hwinfo_raw = snapshot["data"]["hwinfo"]
@@ -362,7 +363,7 @@ class ParseSnapshotLsHw:
     def set_basic_datas(self):
         try:
             pc, self.components_obj = Computer.run(
-                self.lshw, self.hwinfo_raw, self.uuid, self.sid
+                self.lshw, self.hwinfo_raw, self.uuid, self.sid, self.version
             )
             pc = pc.dump()
             minimum_hid = None in [pc['manufacturer'], pc['model'], pc['serialNumber']]
@@ -417,11 +418,11 @@ class ParseSnapshotLsHw:
         size = ram.get("Size")
         if not len(size.split(" ")) == 2:
             txt = (
-                "Error: Snapshot: {uuid}, tag: {sid} have this ram Size: {size}".format(
+                "Error: Snapshot: {uuid}, Sid: {sid} have this ram Size: {size}".format(
                     uuid=self.uuid, size=size, sid=self.sid
                 )
             )
-            self.errors(txt)
+            self.errors(txt, severity=Severity.Warning)
             return 128
         size, units = size.split(" ")
         return base2.Quantity(float(size), units).to('MiB').m
@@ -429,10 +430,10 @@ class ParseSnapshotLsHw:
     def get_ram_speed(self, ram):
         speed = ram.get("Speed", "100")
         if not len(speed.split(" ")) == 2:
-            txt = "Error: Snapshot: {uuid}, tag: {sid} have this ram Speed: {speed}".format(
+            txt = "Error: Snapshot: {uuid}, Sid: {sid} have this ram Speed: {speed}".format(
                 uuid=self.uuid, speed=speed, sid=self.sid
             )
-            self.errors(txt)
+            self.errors(txt, severity=Severity.Warning)
             return 100
         speed, units = speed.split(" ")
         return float(speed)
@@ -464,10 +465,10 @@ class ParseSnapshotLsHw:
             uuid.UUID(dmi_uuid)
         except (ValueError, AttributeError) as err:
             self.errors("{}".format(err))
-            txt = "Error: Snapshot: {uuid} tag: {sid} have this uuid: {device}".format(
+            txt = "Error: Snapshot: {uuid} sid: {sid} have this uuid: {device}".format(
                 uuid=self.uuid, device=dmi_uuid, sid=self.sid
             )
-            self.errors(txt)
+            self.errors(txt, severity=Severity.Warning)
             dmi_uuid = None
         return dmi_uuid
 
@@ -510,11 +511,11 @@ class ParseSnapshotLsHw:
         try:
             DataStorageInterface(interface.upper())
         except ValueError as err:
-            txt = "tag: {}, interface {} is not in DataStorageInterface Enum".format(
+            txt = "Sid: {}, interface {} is not in DataStorageInterface Enum".format(
-                interface, self.sid
+                self.sid, interface
             )
             self.errors("{}".format(err))
-            self.errors(txt)
+            self.errors(txt, severity=Severity.Warning)
         return "ATA"
 
     def get_data_storage_size(self, x):
@@ -546,13 +547,17 @@ class ParseSnapshotLsHw:
 
         return action
 
-    def errors(self, txt=None, severity=Severity.Info):
+    def errors(self, txt=None, severity=Severity.Error):
         if not txt:
             return self._errors
 
         logger.error(txt)
         self._errors.append(txt)
-        error = SnapshotErrors(
+        error = SnapshotsLog(
-            description=txt, snapshot_uuid=self.uuid, severity=severity, sid=self.sid
+            description=txt,
+            snapshot_uuid=self.uuid,
+            severity=severity,
+            sid=self.sid,
+            version=self.version,
         )
         error.save()

ereuse_devicehub/resources/action/views/snapshot.py

@@ -11,7 +11,6 @@ from marshmallow import ValidationError
 from sqlalchemy.util import OrderedSet
 
 from ereuse_devicehub.db import db
-from ereuse_devicehub.parser.models import SnapshotErrors
 from ereuse_devicehub.resources.action.models import Snapshot
 from ereuse_devicehub.resources.device.models import Computer
 from ereuse_devicehub.resources.device.sync import Sync
@@ -138,9 +137,10 @@ class SnapshotView(SnapshotMixin):
         try:
             self.snapshot_json = resource_def.schema.load(snapshot_json)
         except ValidationError as err:
+            from ereuse_devicehub.parser.models import SnapshotsLog
             txt = "{}".format(err)
             uuid = snapshot_json.get('uuid')
-            error = SnapshotErrors(
+            error = SnapshotsLog(
                 description=txt, snapshot_uuid=uuid, severity=Severity.Error
             )
             error.save(commit=True)

ereuse_devicehub/resources/device/models.py

@@ -358,7 +358,6 @@ class Device(Thing):
         from ereuse_devicehub.resources.device import states
 
         with suppress(LookupError, ValueError):
-            # import pdb; pdb.set_trace()
             return self.last_action_of(*states.Physical.actions())
 
     @property

ereuse_devicehub/resources/lot/models.py

@@ -10,7 +10,7 @@ from sqlalchemy import TEXT
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy_utils import LtreeType
 from sqlalchemy_utils.types.ltree import LQUERY
-from teal.db import CASCADE_OWN, UUIDLtree, check_range, IntEnum
+from teal.db import CASCADE_OWN, IntEnum, UUIDLtree, check_range
 from teal.resource import url_for_resource
 
 from ereuse_devicehub.db import create_view, db, exp, f
@@ -21,24 +21,29 @@ from ereuse_devicehub.resources.user.models import User
 
 
 class Lot(Thing):
-    id = db.Column(UUID(as_uuid=True), primary_key=True)  # uuid is generated on init by default
+    id = db.Column(
+        UUID(as_uuid=True), primary_key=True
+    )  # uuid is generated on init by default
     name = db.Column(CIText(), nullable=False)
     description = db.Column(CIText())
     description.comment = """A comment about the lot."""
     closed = db.Column(db.Boolean, default=False, nullable=False)
     closed.comment = """A closed lot cannot be modified anymore."""
 
-    devices = db.relationship(Device,
+    devices = db.relationship(
+        Device,
         backref=db.backref('lots', lazy=True, collection_class=set),
         secondary=lambda: LotDevice.__table__,
         lazy=True,
-                              collection_class=set)
+        collection_class=set,
+    )
     """The **children** devices that the lot has.
 
     Note that the lot can have more devices, if they are inside
     descendant lots.
     """
-    parents = db.relationship(lambda: Lot,
+    parents = db.relationship(
+        lambda: Lot,
         viewonly=True,
         lazy=True,
         collection_class=set,
@@ -46,45 +51,58 @@ class Lot(Thing):
         primaryjoin=lambda: Lot.id == LotParent.child_id,
         secondaryjoin=lambda: LotParent.parent_id == Lot.id,
         cascade='refresh-expire',  # propagate changes outside ORM
-                              backref=db.backref('children',
+        backref=db.backref(
+            'children',
             viewonly=True,
             lazy=True,
             cascade='refresh-expire',
-                                                 collection_class=set)
+            collection_class=set,
+        ),
     )
     """The parent lots."""
 
-    all_devices = db.relationship(Device,
+    all_devices = db.relationship(
+        Device,
         viewonly=True,
         lazy=True,
         collection_class=set,
         secondary=lambda: LotDeviceDescendants.__table__,
         primaryjoin=lambda: Lot.id == LotDeviceDescendants.ancestor_lot_id,
-                                  secondaryjoin=lambda: LotDeviceDescendants.device_id == Device.id)
+        secondaryjoin=lambda: LotDeviceDescendants.device_id == Device.id,
+    )
     """All devices, including components, inside this lot and its
     descendants.
     """
     amount = db.Column(db.Integer, check_range('amount', min=0, max=100), default=0)
-    owner_id = db.Column(UUID(as_uuid=True),
+    owner_id = db.Column(
+        UUID(as_uuid=True),
         db.ForeignKey(User.id),
         nullable=False,
-                         default=lambda: g.user.id)
+        default=lambda: g.user.id,
+    )
     owner = db.relationship(User, primaryjoin=owner_id == User.id)
-    transfer_state = db.Column(IntEnum(TransferState), default=TransferState.Initial, nullable=False)
+    transfer_state = db.Column(
+        IntEnum(TransferState), default=TransferState.Initial, nullable=False
+    )
     transfer_state.comment = TransferState.__doc__
-    receiver_address = db.Column(CIText(),
+    receiver_address = db.Column(
+        CIText(),
         db.ForeignKey(User.email),
         nullable=False,
-                                 default=lambda: g.user.email)
+        default=lambda: g.user.email,
+    )
     receiver = db.relationship(User, primaryjoin=receiver_address == User.email)
 
-    def __init__(self, name: str, closed: bool = closed.default.arg,
+    def __init__(
-                 description: str = None) -> None:
+        self, name: str, closed: bool = closed.default.arg, description: str = None
+    ) -> None:
         """Initializes a lot
         :param name:
         :param closed:
         """
-        super().__init__(id=uuid.uuid4(), name=name, closed=closed, description=description)
+        super().__init__(
+            id=uuid.uuid4(), name=name, closed=closed, description=description
+        )
         Path(self)  # Lots have always one edge per default.
 
     @property
@@ -106,16 +124,22 @@ class Lot(Thing):
 
     @property
     def is_incoming(self):
-        return bool(self.trade and self.trade.user_to == current_user)
+        if hasattr(self, 'trade'):
+            return self.trade.user_to == g.user
+        return False
 
     @property
     def is_outgoing(self):
-        return bool(self.trade and self.trade.user_from == current_user)
+        if hasattr(self, 'trade'):
+            return self.trade.user_to == g.user
+        return False
 
     @classmethod
     def descendantsq(cls, id):
         _id = UUIDLtree.convert(id)
-        return (cls.id == Path.lot_id) & Path.path.lquery(exp.cast('*.{}.*'.format(_id), LQUERY))
+        return (cls.id == Path.lot_id) & Path.path.lquery(
+            exp.cast('*.{}.*'.format(_id), LQUERY)
+        )
 
     @classmethod
     def roots(cls):
@@ -176,13 +200,17 @@ class Lot(Thing):
         if isinstance(child, Lot):
             return Path.has_lot(self.id, child.id)
         elif isinstance(child, Device):
-            device = db.session.query(LotDeviceDescendants) \
+            device = (
-                .filter(LotDeviceDescendants.device_id == child.id) \
+                db.session.query(LotDeviceDescendants)
-                .filter(LotDeviceDescendants.ancestor_lot_id == self.id) \
+                .filter(LotDeviceDescendants.device_id == child.id)
+                .filter(LotDeviceDescendants.ancestor_lot_id == self.id)
                 .one_or_none()
+            )
             return device
         else:
-            raise TypeError('Lot only contains devices and lots, not {}'.format(child.__class__))
+            raise TypeError(
+                'Lot only contains devices and lots, not {}'.format(child.__class__)
+            )
 
     def __repr__(self) -> str:
         return '<Lot {0.name} devices={0.devices!r}>'.format(self)
@@ -192,35 +220,44 @@ class LotDevice(db.Model):
     device_id = db.Column(db.BigInteger, db.ForeignKey(Device.id), primary_key=True)
     lot_id = db.Column(UUID(as_uuid=True), db.ForeignKey(Lot.id), primary_key=True)
     created = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)
-    author_id = db.Column(UUID(as_uuid=True),
+    author_id = db.Column(
+        UUID(as_uuid=True),
         db.ForeignKey(User.id),
         nullable=False,
-                          default=lambda: g.user.id)
+        default=lambda: g.user.id,
+    )
     author = db.relationship(User, primaryjoin=author_id == User.id)
     author_id.comment = """The user that put the device in the lot."""
 
 
 class Path(db.Model):
-    id = db.Column(db.UUID(as_uuid=True),
+    id = db.Column(
+        db.UUID(as_uuid=True),
         primary_key=True,
-                   server_default=db.text('gen_random_uuid()'))
+        server_default=db.text('gen_random_uuid()'),
+    )
     lot_id = db.Column(db.UUID(as_uuid=True), db.ForeignKey(Lot.id), nullable=False)
-    lot = db.relationship(Lot,
+    lot = db.relationship(
-                          backref=db.backref('paths',
+        Lot,
-                                             lazy=True,
+        backref=db.backref(
-                                             collection_class=set,
+            'paths', lazy=True, collection_class=set, cascade=CASCADE_OWN
-                                             cascade=CASCADE_OWN),
+        ),
-                          primaryjoin=Lot.id == lot_id)
+        primaryjoin=Lot.id == lot_id,
+    )
     path = db.Column(LtreeType, nullable=False)
-    created = db.Column(db.TIMESTAMP(timezone=True), server_default=db.text('CURRENT_TIMESTAMP'))
+    created = db.Column(
+        db.TIMESTAMP(timezone=True), server_default=db.text('CURRENT_TIMESTAMP')
+    )
     created.comment = """When Devicehub created this."""
 
     __table_args__ = (
         # dag.delete_edge needs to disable internally/temporarily the unique constraint
-        db.UniqueConstraint(path, name='path_unique', deferrable=True, initially='immediate'),
+        db.UniqueConstraint(
+            path, name='path_unique', deferrable=True, initially='immediate'
+        ),
         db.Index('path_gist', path, postgresql_using='gist'),
         db.Index('path_btree', path, postgresql_using='btree'),
-        db.Index('lot_id_index', lot_id, postgresql_using='hash')
+        db.Index('lot_id_index', lot_id, postgresql_using='hash'),
     )
 
     def __init__(self, lot: Lot) -> None:
@@ -243,7 +280,9 @@ class Path(db.Model):
         child_id = UUIDLtree.convert(child_id)
         return bool(
             db.session.execute(
-                "SELECT 1 from path where path ~ '*.{}.*.{}.*'".format(parent_id, child_id)
+                "SELECT 1 from path where path ~ '*.{}.*.{}.*'".format(
+                    parent_id, child_id
+                )
             ).first()
         )
 
@@ -263,47 +302,73 @@ class LotDeviceDescendants(db.Model):
     """Ancestor lot table."""
     _desc = Lot.__table__.alias()
     """Descendant lot table."""
-    lot_device = _desc \
+    lot_device = _desc.join(LotDevice, _desc.c.id == LotDevice.lot_id).join(
-        .join(LotDevice, _desc.c.id == LotDevice.lot_id) \
+        Path, _desc.c.id == Path.lot_id
-        .join(Path, _desc.c.id == Path.lot_id)
+    )
     """Join: Path -- Lot -- LotDevice"""
 
-    descendants = "path.path ~ (CAST('*.'|| replace(CAST({}.id as text), '-', '_') " \
+    descendants = (
+        "path.path ~ (CAST('*.'|| replace(CAST({}.id as text), '-', '_') "
         "|| '.*' AS LQUERY))".format(_ancestor.name)
+    )
     """Query that gets the descendants of the ancestor lot."""
-    devices = db.select([
+    devices = (
+        db.select(
+            [
                 LotDevice.device_id,
                 _desc.c.id.label('parent_lot_id'),
                 _ancestor.c.id.label('ancestor_lot_id'),
-        None
+                None,
-    ]).select_from(_ancestor).select_from(lot_device).where(db.text(descendants))
+            ]
+        )
+        .select_from(_ancestor)
+        .select_from(lot_device)
+        .where(db.text(descendants))
+    )
 
     # Components
     _parent_device = Device.__table__.alias(name='parent_device')
     """The device that has the access to the lot."""
-    lot_device_component = lot_device \
+    lot_device_component = lot_device.join(
-        .join(_parent_device, _parent_device.c.id == LotDevice.device_id) \
+        _parent_device, _parent_device.c.id == LotDevice.device_id
-        .join(Component, _parent_device.c.id == Component.parent_id)
+    ).join(Component, _parent_device.c.id == Component.parent_id)
     """Join: Path -- Lot -- LotDevice -- ParentDevice (Device) -- Component"""
 
-    components = db.select([
+    components = (
+        db.select(
+            [
                 Component.id.label('device_id'),
                 _desc.c.id.label('parent_lot_id'),
                 _ancestor.c.id.label('ancestor_lot_id'),
                 LotDevice.device_id.label('device_parent_id'),
-    ]).select_from(_ancestor).select_from(lot_device_component).where(db.text(descendants))
+            ]
+        )
+        .select_from(_ancestor)
+        .select_from(lot_device_component)
+        .where(db.text(descendants))
+    )
 
     __table__ = create_view('lot_device_descendants', devices.union(components))
 
 
 class LotParent(db.Model):
-    i = f.index(Path.path, db.func.text2ltree(f.replace(exp.cast(Path.lot_id, TEXT), '-', '_')))
+    i = f.index(
+        Path.path, db.func.text2ltree(f.replace(exp.cast(Path.lot_id, TEXT), '-', '_'))
+    )
 
     __table__ = create_view(
         'lot_parent',
-        db.select([
+        db.select(
+            [
                 Path.lot_id.label('child_id'),
-            exp.cast(f.replace(exp.cast(f.subltree(Path.path, i - 1, i), TEXT), '_', '-'),
+                exp.cast(
-                     UUID).label('parent_id')
+                    f.replace(
-        ]).select_from(Path).where(i > 0),
+                        exp.cast(f.subltree(Path.path, i - 1, i), TEXT), '_', '-'
+                    ),
+                    UUID,
+                ).label('parent_id'),
+            ]
+        )
+        .select_from(Path)
+        .where(i > 0),
     )

ereuse_devicehub/templates/ereuse_devicehub/base_site.html

@@ -111,6 +111,15 @@
       </a>
     </li><!-- End Dashboard Nav -->
 
+    <li class="nav-heading">Snapshots</li>
+
+    <li class="nav-item">
+      <a class="nav-link collapsed" href="{{ url_for('inventory.snapshotslist') }}">
+        <i class="bi-menu-button-wide"></i>
+        <span>Uploaded Snapshots</span>
+      </a>
+    </li>
+
     <li class="nav-heading">Devices</li>
 
     <li class="nav-item">

ereuse_devicehub/templates/inventory/snapshot_detail.html

@@ -0,0 +1,54 @@
+{% extends "ereuse_devicehub/base_site.html" %}
+{% block main %}
+
+<div class="pagetitle">
+  <h1>Inventory</h1>
+  <nav>
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item"><a href="{{ url_for('inventory.devicelist')}}">Inventory</a></li>
+      <li class="breadcrumb-item active">{{ page_title }}</li>
+    </ol>
+  </nav>
+</div><!-- End Page Title -->
+
+<section class="section profile">
+  <div class="row">
+
+    <div class="col-xl-12">
+
+      <div class="card">
+        <div class="card-body pt-3">
+          <h3>{{ snapshot_sid }} | {{ snapshot_uuid }}</h3>
+          <!-- Bordered Tabs -->
+          <div class="tab-content pt-2">
+
+            <div class="tab-pane fade show active">
+              <h5 class="card-title">Traceability log Details</h5>
+              <div class="list-group col-6">
+                {% for log in snapshots_log %}
+                <div class="list-group-item">
+                  <div class="d-flex w-100 justify-content-between">
+                    <h5 class="mb-1">{{ log.get_status() }}</h5>
+                    <small class="text-muted">{{ log.created.strftime('%H:%M %d-%m-%Y') }}</small>
+                  </div>
+                  <p class="mb-1">
+                    Device:
+                    {{ log.get_device() }}<br />
+                    Version: {{ log.version }}<br />
+                  </p>
+                  <p>
+                    <small class="text-muted">
+                      {{ log.description }}
+                    </small>
+                  </p>
+                </div>
+                {% endfor %}
+              </div>
+            </div>
+
+        </div>
+      </div>
+    </div>
+  </div>
+</section>
+{% endblock main %}

ereuse_devicehub/templates/inventory/snapshots_list.html

@@ -0,0 +1,88 @@
+{% extends "ereuse_devicehub/base_site.html" %}
+{% block main %}
+
+<div class="pagetitle">
+  <h1>Inventory</h1>
+  <nav>
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item"><a href="{{ url_for('inventory.devicelist')}}">Inventory</a></li>
+      <li class="breadcrumb-item active">Snapshots</li>
+    </ol>
+  </nav>
+</div><!-- End Page Title -->
+
+<section class="section profile">
+  <div class="row">
+
+    <div class="col-xl-12">
+
+      <div class="card">
+        <div class="card-body pt-3" style="min-height: 650px;">
+          <!-- Bordered Tabs -->
+          <div class="tab-content pt-5">
+            <div id="devices-list" class="tab-pane fade devices-list active show">
+              <div class="tab-content pt-2">
+                <table class="table">
+                  <thead>
+                    <tr>
+                      <th scope="col">SID</th>
+                      <th scope="col">Snapshot id</th>
+                      <th scope="col">Version</th>
+                      <th scope="col">Device</th>
+                      <th scope="col">Status</th>
+                      <th scope="col" data-type="date" data-format="DD-MM-YYYY">Time</th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    {% for snap in snapshots_log %}
+                    <tr>
+                      <td>
+                        {% if snap.sid %}
+                        <a href="{{ url_for('inventory.snapshot_detail', snapshot_uuid=snap.snapshot_uuid) }}">
+                          {{ snap.sid }}
+                        </a>
+                        {% endif %}
+                      </td>
+                      <td>
+                        <a href="{{ url_for('inventory.snapshot_detail', snapshot_uuid=snap.snapshot_uuid) }}">
+                          {{ snap.snapshot_uuid }}
+                        </a>
+                      </td>
+                      <td>
+                          {{ snap.version }}
+                      </td>
+                      <td>
+                        {% if snap.device %}
+                        <a href="{{ url_for('inventory.device_details', id=snap.device) }}">
+                          {{ snap.device }}
+                        </a>
+                        {% endif %}
+                      </td>
+                      <td>
+                          {{ snap.status }}
+                      </td>
+                      <td>{{ snap.created.strftime('%H:%M %d-%m-%Y') }}</td>
+                    </tr>
+                    {% endfor %}
+                  </tbody>
+                </table>
+
+                </div>
+              </div>
+
+            </div><!-- End Bordered Tabs -->
+          </div>
+        </div>
+      </div>
+
+      <div id="NotificationsContainer" style="position: absolute; bottom: 0; right: 0; margin: 10px; margin-top: 70px; width: calc(100% - 310px);"></div>
+
+    </div>
+  </div>
+</section>
+
+<!-- Custom Code -->
+<script>
+  const table = new simpleDatatables.DataTable("table")
+</script>
+{% endblock main %}

ereuse_devicehub/views.py

@@ -50,6 +50,7 @@ class LogoutView(View):
 
 
 class GenericMixin(View):
+    methods = ['GET']
     decorators = [login_required]
 
     def get_lots(self):

tests/test_snapshot.py

@@ -15,10 +15,10 @@ from requests.exceptions import HTTPError
 from teal.db import DBError, UniqueViolation
 from teal.marshmallow import ValidationError
 
-from ereuse_devicehub.client import UserClient, Client
+from ereuse_devicehub.client import Client, UserClient
 from ereuse_devicehub.db import db
 from ereuse_devicehub.devicehub import Devicehub
-from ereuse_devicehub.parser.models import SnapshotErrors
+from ereuse_devicehub.parser.models import SnapshotsLog
 from ereuse_devicehub.resources.action.models import (
     Action,
     BenchmarkDataStorage,
@@ -977,8 +977,9 @@ def test_snapshot_wb_lite(user: UserClient):
     assert '00:28:f8:a6:d5:7e' in dev.hid
 
     assert dev.actions[0].power_on_hours == 6032
-    errors = SnapshotErrors.query.filter().all()
+    errors = SnapshotsLog.query.filter().all()
-    assert errors == []
+    assert len(errors) == 1
+    assert errors[0].description == 'Ok'
 
 
 @pytest.mark.mvp
@@ -986,9 +987,7 @@ def test_snapshot_wb_lite(user: UserClient):
 def test_snapshot_wb_lite_qemu(user: UserClient):
     """This test check the minimum validation of json that come from snapshot"""
 
-    snapshot = file_json(
+    snapshot = file_json("qemu-cc9927a9-55ad-4937-b36b-7185147d9fa9.json")
-        "qemu-cc9927a9-55ad-4937-b36b-7185147d9fa9.json"
-    )
     body, res = user.post(snapshot, uri="/api/inventory/")
 
     assert body['sid'] == "VL0L5"
@@ -1172,8 +1171,8 @@ def test_snapshot_lite_error_in_components(user: UserClient):
 
     dev = m.Device.query.filter_by(devicehub_id=bodyLite['dhid']).one()
     assert 'Motherboard' not in [x.type for x in dev.components]
-    error = SnapshotErrors.query.all()[0]
+    error = SnapshotsLog.query.all()
-    assert 'StopIteration' in error.description
+    assert 'StopIteration' in error[0].description
 
 
 @pytest.mark.mvp
@@ -1225,12 +1224,12 @@ def test_snapshot_errors(user: UserClient):
         },
     }
 
-    assert SnapshotErrors.query.all() == []
+    assert SnapshotsLog.query.all() == []
     body11, res = user.post(snapshot_11, res=Snapshot)
-    assert SnapshotErrors.query.all() == []
+    assert SnapshotsLog.query.all() == []
     bodyLite, res = user.post(snapshot_lite, uri="/api/inventory/")
     dev = m.Device.query.filter_by(devicehub_id=bodyLite['dhid']).one()
-    assert len(SnapshotErrors.query.all()) == 2
+    assert len(SnapshotsLog.query.all()) == 3
 
     assert body11['device'].get('hid') == dev.hid
     assert body11['device']['id'] == dev.id
@@ -1267,7 +1266,9 @@ def test_snapshot_errors_no_serial_number(user: UserClient):
 
     bodyLite, res = user.post(snapshot_lite, uri="/api/inventory/")
     assert res.status_code == 201
-    assert len(SnapshotErrors.query.all()) == 0
+    logs = SnapshotsLog.query.all()
+    assert len(logs) == 1
+    assert logs[0].description == 'Ok'
     dev = m.Device.query.filter_by(devicehub_id=bodyLite['dhid']).one()
     assert not dev.model
     assert not dev.manufacturer
@@ -1286,9 +1287,11 @@ def test_snapshot_errors_no_serial_number(user: UserClient):
 @pytest.mark.usefixtures(conftest.app_context.__name__)
 def test_snapshot_check_tests_lite(user: UserClient):
     """This test check the minimum validation of json that come from snapshot"""
-    snapshot_lite = file_json('test_lite/2022-4-13-19-5_user@dhub.com_b27dbf43-b88a-4505-ae27-10de5a95919e.json')
+    snapshot_lite = file_json(
+        'test_lite/2022-4-13-19-5_user@dhub.com_b27dbf43-b88a-4505-ae27-10de5a95919e.json'
+    )
 
     bodyLite, res = user.post(snapshot_lite, uri="/api/inventory/")
     assert res.status_code == 201
-    SnapshotErrors.query.all()
+    SnapshotsLog.query.all()
     dev = m.Device.query.filter_by(devicehub_id=bodyLite['dhid']).one()