From 3fcfd5739680fa2b5c01ddb4057a762ba70a54d6 Mon Sep 17 00:00:00 2001
From: Andrew Williamson <awilliamson@mozilla.com>
Date: Tue, 11 Oct 2022 12:47:08 +0100
Subject: [PATCH] implement admin reviewer unreject versions action (#19728)

* implement admin reviewer unreject versions action

* don't subscribe the reviewer to the review

* move status setting code to Addon model
---
 src/olympia/addons/models.py              |  16 +
 src/olympia/addons/tests/test_models.py   |  23 ++
 src/olympia/constants/activity.py         |  11 +
 src/olympia/reviewers/forms.py            |  45 ++-
 src/olympia/reviewers/tests/test_forms.py | 133 +++++++--
 src/olympia/reviewers/tests/test_utils.py | 348 ++++++++++++++--------
 src/olympia/reviewers/tests/test_views.py |  80 +++++
 src/olympia/reviewers/utils.py            |  62 +++-
 8 files changed, 547 insertions(+), 171 deletions(-)

diff --git a/src/olympia/addons/models.py b/src/olympia/addons/models.py
index 1a197ddfbf..0673eece30 100644
--- a/src/olympia/addons/models.py
+++ b/src/olympia/addons/models.py
@@ -1235,6 +1235,22 @@ class Addon(OnChangeMixin, ModelBase):
 
         self.update_version(ignore=ignore_version)
 
+    def update_nominated_status(self, user):
+        # Update the addon status to nominated if there are versions awaiting review
+        if (
+            self.status == amo.STATUS_NULL
+            and self.versions.filter(
+                file__status=amo.STATUS_AWAITING_REVIEW, channel=amo.CHANNEL_LISTED
+            ).exists()
+        ):
+            log.info(
+                'Changing add-on status [%s]: %s => %s (%s).'
+                % (self.id, self.status, amo.STATUS_NOMINATED, 'unrejecting versions')
+            )
+            self.update(status=amo.STATUS_NOMINATED)
+            activity.log_create(amo.LOG.CHANGE_STATUS, self, self.status, user=user)
+            self.update_version()
+
     @staticmethod
     def attach_related_versions(addons, addon_dict=None):
         if addon_dict is None:
diff --git a/src/olympia/addons/tests/test_models.py b/src/olympia/addons/tests/test_models.py
index 511e2e1d0a..6bc3971ce6 100644
--- a/src/olympia/addons/tests/test_models.py
+++ b/src/olympia/addons/tests/test_models.py
@@ -2104,6 +2104,29 @@ class TestUpdateStatus(TestCase):
             amo.STATUS_NULL
         )  # No listed versions so now NULL
 
+    def test_update_nominated_status(self):
+        addon = addon_factory(
+            status=amo.STATUS_NULL, file_kw={'status': amo.STATUS_DISABLED}
+        )
+        first_version = addon.versions.last()
+        version_factory(addon=addon, file_kw={'status': amo.STATUS_APPROVED})
+        user = user_factory()
+        # if add-on has no files that are AWAITING_REVIEW, the status shouldn't change
+        addon.update_nominated_status(user)
+        assert addon.reload().status == amo.STATUS_NULL
+
+        addon.update(status=amo.STATUS_DISABLED)
+        first_version.file.update(status=amo.STATUS_AWAITING_REVIEW)
+        # and neither should the status change if the addon status isn't NULL
+        addon.update_nominated_status(user)
+        addon.refresh_from_db()  # this clears the fk relations too
+        assert addon.status == amo.STATUS_DISABLED
+
+        addon.update(status=amo.STATUS_NULL)
+        # success case - has version that is awaiting review and incomplete addon status
+        addon.update_nominated_status(user)
+        assert addon.reload().status == amo.STATUS_NOMINATED
+
 
 class TestGetVersion(TestCase):
     fixtures = [
diff --git a/src/olympia/constants/activity.py b/src/olympia/constants/activity.py
index 8d252cb95b..8cf9505d7d 100644
--- a/src/olympia/constants/activity.py
+++ b/src/olympia/constants/activity.py
@@ -844,6 +844,17 @@ class RESTRICTED(_LOG):
     format = _('{user} restricted.')
 
 
+class UNREJECT_VERSION(_LOG):
+    # takes add-on, version
+    id = 171
+    action_class = 'reject'
+    format = _('{addon} {version} unrejected.')
+    short = _('Unrejected')
+    keep = True
+    review_queue = True
+    reviewer_review_action = True
+
+
 LOGS = [x for x in vars().values() if isclass(x) and issubclass(x, _LOG) and x != _LOG]
 # Make sure there's no duplicate IDs.
 assert len(LOGS) == len({log.id for log in LOGS})
diff --git a/src/olympia/reviewers/forms.py b/src/olympia/reviewers/forms.py
index 85e8957f3f..4059c94e05 100644
--- a/src/olympia/reviewers/forms.py
+++ b/src/olympia/reviewers/forms.py
@@ -112,11 +112,28 @@ class VersionsChoiceWidget(forms.SelectMultiple):
     """
 
     actions_filters = {
-        amo.STATUS_APPROVED: ('confirm_multiple_versions', 'block_multiple_versions'),
-        amo.STATUS_AWAITING_REVIEW: (
-            'reject_multiple_versions',
-            'approve_multiple_versions',
-        ),
+        amo.CHANNEL_UNLISTED: {
+            amo.STATUS_APPROVED: (
+                'block_multiple_versions',
+                'confirm_multiple_versions',
+            ),
+            amo.STATUS_AWAITING_REVIEW: (
+                'approve_multiple_versions',
+                'reject_multiple_versions',
+            ),
+            amo.STATUS_DISABLED: ('unreject_multiple_versions',),
+        },
+        amo.CHANNEL_LISTED: {
+            amo.STATUS_APPROVED: (
+                'block_multiple_versions',
+                'reject_multiple_versions',
+            ),
+            amo.STATUS_AWAITING_REVIEW: (
+                'approve_multiple_versions',
+                'reject_multiple_versions',
+            ),
+            amo.STATUS_DISABLED: ('unreject_multiple_versions',),
+        },
     }
 
     def create_option(self, *args, **kwargs):
@@ -126,13 +143,12 @@ class VersionsChoiceWidget(forms.SelectMultiple):
         obj = option['label']
         status = obj.file.status if obj.file else None
         versions_actions = getattr(self, 'versions_actions', None)
-        if versions_actions and obj.channel == amo.CHANNEL_UNLISTED:
-            # For unlisted, some actions should only apply to approved/pending
-            # versions, so we add our special `data-toggle` class and the
-            # right `data-value` depending on status.
+        if versions_actions:
+            # Add our special `data-toggle` class and the right `data-value` depending
+            # on status.
             option['attrs']['class'] = 'data-toggle'
             option['attrs']['data-value'] = '|'.join(
-                self.actions_filters.get(status, ()) + ('',)
+                self.actions_filters[obj.channel].get(status, ()) + ('',)
             )
         # Just in case, let's now force the label to be a string (it would be
         # converted anyway, but it's probably safer that way).
@@ -218,7 +234,7 @@ class ReviewForm(forms.Form):
         if action:
             if not action.get('comments', True):
                 self.fields['comments'].required = False
-            if action.get('versions', False):
+            if action.get('multiple_versions', False):
                 self.fields['versions'].required = True
             if not action.get('requires_reasons', False):
                 self.fields['reasons'].required = False
@@ -255,18 +271,19 @@ class ReviewForm(forms.Form):
         # if the relevant actions are available, otherwise we don't really care
         # about this field.
         versions_actions = [
-            k for k in self.helper.actions if self.helper.actions[k].get('versions')
+            k
+            for k in self.helper.actions
+            if self.helper.actions[k].get('multiple_versions')
         ]
         if versions_actions:
             if self.helper.version:
                 channel = self.helper.version.channel
             else:
                 channel = amo.CHANNEL_LISTED
-            statuses = (amo.STATUS_APPROVED, amo.STATUS_AWAITING_REVIEW)
             self.fields['versions'].widget.versions_actions = versions_actions
             self.fields['versions'].queryset = (
                 self.helper.addon.versions(manager='unfiltered_for_relations')
-                .filter(channel=channel, file__status__in=statuses)
+                .filter(channel=channel)
                 .no_transforms()
                 .select_related('file')
                 .select_related('autoapprovalsummary')
diff --git a/src/olympia/reviewers/tests/test_forms.py b/src/olympia/reviewers/tests/test_forms.py
index fe2ee54e06..0d5b5240e2 100644
--- a/src/olympia/reviewers/tests/test_forms.py
+++ b/src/olympia/reviewers/tests/test_forms.py
@@ -61,6 +61,16 @@ class TestReviewForm(TestCase):
         )
         assert list(actions.keys()) == ['reply', 'super', 'comment']
 
+        # If an admin reviewer we also show unreject_multiple_versions
+        self.grant_permission(self.request.user, 'Reviews:Admin')
+        actions = self.get_form().helper.get_actions()
+        assert list(actions.keys()) == [
+            'unreject_multiple_versions',
+            'reply',
+            'super',
+            'comment',
+        ]
+
     def test_actions_addon_status_deleted(self):
         # If the add-on is deleted we only show reply, comment and
         # super review.
@@ -84,7 +94,18 @@ class TestReviewForm(TestCase):
             'comment',
         ]
 
-        # The add-on is already disabled so we don't show
+        # If an admin reviewer we also show unreject_multiple_versions
+        self.grant_permission(self.request.user, 'Reviews:Admin')
+        actions = self.get_form().helper.get_actions()
+        assert list(actions.keys()) == [
+            'reject_multiple_versions',
+            'unreject_multiple_versions',
+            'reply',
+            'super',
+            'comment',
+        ]
+
+        # The add-on is already disabled so we don't show unreject_multiple_versions or
         # reject_multiple_versions, but reply/super/comment are still present.
         actions = self.set_statuses_and_get_actions(
             addon_status=amo.STATUS_DISABLED, file_status=amo.STATUS_DISABLED
@@ -266,14 +287,24 @@ class TestReviewForm(TestCase):
         assert form.fields['versions'].required is False
         assert list(form.fields['versions'].queryset) == [self.addon.current_version]
 
-    def test_versions_queryset_contains_pending_files_for_listed(self):
+    def test_versions_queryset_contains_pending_files_for_listed(
+        self, select_data_value='reject_multiple_versions|'
+    ):
+        # We hide some of the versions using JavaScript + some data attributes on each
+        # <option>.
+        # The queryset should contain both pending, rejected, and approved versions.
         self.grant_permission(self.request.user, 'Addons:Review')
         addon_factory()  # Extra add-on, shouldn't be included.
-        version_factory(
+        pending_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
+        rejected_version = version_factory(
+            addon=self.addon,
+            channel=amo.CHANNEL_LISTED,
+            file_kw={'status': amo.STATUS_DISABLED},
+        )
         # auto-approve everything (including self.addon.current_version)
         for version in Version.unfiltered.all():
             AutoApprovalSummary.objects.create(
@@ -285,35 +316,71 @@ class TestReviewForm(TestCase):
         assert list(form.fields['versions'].queryset) == list(
             self.addon.versions.all().order_by('pk')
         )
-        assert form.fields['versions'].queryset.count() == 2
+        assert form.fields['versions'].queryset.count() == 3
 
         content = str(form['versions'])
         doc = pq(content)
+
         # <select> should have 'data-toggle' class and data-value attribute to
         # show/hide it depending on action in JavaScript.
         select = doc('select')[0]
         select.attrib.get('class') == 'data-toggle'
-        assert select.attrib.get('data-value') == 'reject_multiple_versions|'
+        assert select.attrib.get('data-value') == select_data_value
 
-        # <option>s shouldn't, because for listed review they will all be
-        # shown. They should still have a value attribute however.
-        options = doc('option')
-        assert len(options) == 2
-        for option in options:
-            assert option.attrib.get('class') is None
-            assert option.attrib.get('data-value') is None
-            assert option.attrib.get('value')
+        # <option>s should as well, and the value depends on which version:
+        # the approved one and the pending one should have different values.
+        assert len(doc('option')) == 3
+        option1 = doc('option[value="%s"]' % self.version.pk)[0]
+        assert option1.attrib.get('class') == 'data-toggle'
+        assert option1.attrib.get('data-value') == (
+            # That version is approved.
+            'block_multiple_versions|reject_multiple_versions|'
+        )
+        assert option1.attrib.get('value') == str(self.version.pk)
 
-    def test_versions_queryset_contains_pending_files_for_unlisted(self):
-        # We also return pending versions for unlisted, but hide some of the
-        # versions using JavaScript + some data attributes on each <option>.
-        # The queryset should contain both pending and approved versions.
+        option2 = doc('option[value="%s"]' % pending_version.pk)[0]
+        assert option2.attrib.get('class') == 'data-toggle'
+        assert option2.attrib.get('data-value') == (
+            # That version is pending.
+            'approve_multiple_versions|reject_multiple_versions|'
+        )
+        assert option2.attrib.get('value') == str(pending_version.pk)
+
+        option3 = doc('option[value="%s"]' % rejected_version.pk)[0]
+        assert option3.attrib.get('class') == 'data-toggle'
+        assert option3.attrib.get('data-value') == (
+            # That version is rejected.
+            'unreject_multiple_versions|'
+        )
+        assert option3.attrib.get('value') == str(rejected_version.pk)
+
+    def test_versions_queryset_contains_pending_files_for_listed_admin_reviewer(self):
+        self.grant_permission(self.request.user, 'Reviews:Admin')
+        self.test_versions_queryset_contains_pending_files_for_listed(
+            select_data_value='reject_multiple_versions|unreject_multiple_versions|'
+        )
+
+    def test_versions_queryset_contains_pending_files_for_unlisted(
+        self,
+        select_data_value=(
+            'approve_multiple_versions|reject_multiple_versions|'
+            'block_multiple_versions|confirm_multiple_versions|'
+        ),
+    ):
+        # We hide some of the versions using JavaScript + some data attributes on each
+        # <option>.
+        # The queryset should contain both pending, rejected, and approved versions.
         addon_factory()  # Extra add-on, shouldn't be included.
         pending_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_UNLISTED,
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
+        rejected_version = version_factory(
+            addon=self.addon,
+            channel=amo.CHANNEL_UNLISTED,
+            file_kw={'status': amo.STATUS_DISABLED},
+        )
         self.version.update(channel=amo.CHANNEL_UNLISTED)
         # auto-approve everything
         for version in Version.unfiltered.all():
@@ -334,27 +401,25 @@ class TestReviewForm(TestCase):
         assert list(form.fields['versions'].queryset) == list(
             self.addon.versions.all().order_by('pk')
         )
-        assert form.fields['versions'].queryset.count() == 2
+        assert form.fields['versions'].queryset.count() == 3
 
         content = str(form['versions'])
         doc = pq(content)
+
         # <select> should have 'data-toggle' class and data-value attribute to
         # show/hide it depending on action in JavaScript.
         select = doc('select')[0]
         select.attrib.get('class') == 'data-toggle'
-        assert select.attrib.get('data-value') == (
-            'approve_multiple_versions|reject_multiple_versions|'
-            'block_multiple_versions|confirm_multiple_versions|'
-        )
+        assert select.attrib.get('data-value') == select_data_value
 
         # <option>s should as well, and the value depends on which version:
         # the approved one and the pending one should have different values.
-        assert len(doc('option')) == 2
+        assert len(doc('option')) == 3
         option1 = doc('option[value="%s"]' % self.version.pk)[0]
         assert option1.attrib.get('class') == 'data-toggle'
         assert option1.attrib.get('data-value') == (
             # That version is approved.
-            'confirm_multiple_versions|block_multiple_versions|'
+            'block_multiple_versions|confirm_multiple_versions|'
         )
         assert option1.attrib.get('value') == str(self.version.pk)
 
@@ -362,10 +427,28 @@ class TestReviewForm(TestCase):
         assert option2.attrib.get('class') == 'data-toggle'
         assert option2.attrib.get('data-value') == (
             # That version is pending.
-            'reject_multiple_versions|approve_multiple_versions|'
+            'approve_multiple_versions|reject_multiple_versions|'
         )
         assert option2.attrib.get('value') == str(pending_version.pk)
 
+        option3 = doc('option[value="%s"]' % rejected_version.pk)[0]
+        assert option3.attrib.get('class') == 'data-toggle'
+        assert option3.attrib.get('data-value') == (
+            # That version is rejected.
+            'unreject_multiple_versions|'
+        )
+        assert option3.attrib.get('value') == str(rejected_version.pk)
+
+    def test_versions_queryset_contains_pending_files_for_unlisted_admin_reviewer(self):
+        self.grant_permission(self.request.user, 'Reviews:Admin')
+        self.test_versions_queryset_contains_pending_files_for_unlisted(
+            select_data_value=(
+                'approve_multiple_versions|reject_multiple_versions|'
+                'unreject_multiple_versions|block_multiple_versions|'
+                'confirm_multiple_versions|'
+            )
+        )
+
     def test_versions_required(self):
         # auto-approve everything (including self.addon.current_version)
         for version in Version.unfiltered.all():
diff --git a/src/olympia/reviewers/tests/test_utils.py b/src/olympia/reviewers/tests/test_utils.py
index 63c9c67488..e38932da17 100644
--- a/src/olympia/reviewers/tests/test_utils.py
+++ b/src/olympia/reviewers/tests/test_utils.py
@@ -73,9 +73,9 @@ class TestReviewHelperBase(TestCase):
 
         self.user = UserProfile.objects.get(pk=10482)
         self.addon = Addon.objects.get(pk=3615)
-        self.version = self.addon.versions.all()[0]
+        self.review_version = self.addon.versions.all()[0]
         self.helper = self.get_helper()
-        self.file = self.version.file
+        self.file = self.review_version.file
 
         self.create_paths()
 
@@ -110,7 +110,8 @@ class TestReviewHelperBase(TestCase):
         self.file.update(status=file_status)
         if channel == amo.CHANNEL_UNLISTED:
             self.make_addon_unlisted(self.addon)
-            self.version.reload()
+            if self.review_version:
+                self.review_version.reload()
             self.file.reload()
         self.helper = self.get_helper(
             content_review=content_review, human_review=human_review
@@ -129,7 +130,7 @@ class TestReviewHelperBase(TestCase):
     def get_helper(self, content_review=False, human_review=True):
         return ReviewHelper(
             addon=self.addon,
-            version=self.version,
+            version=self.review_version,
             user=self.user,
             human_review=human_review,
             content_review=content_review,
@@ -173,7 +174,7 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_review_files(self):
         version_factory(
             addon=self.addon,
-            created=self.version.created - timedelta(days=1),
+            created=self.review_version.created - timedelta(days=1),
             file_kw={'status': amo.STATUS_APPROVED},
         )
         for status in REVIEW_FILES_STATUSES:
@@ -396,7 +397,7 @@ class TestReviewHelper(TestReviewHelperBase):
         """Deleted addons and addons with no versions in that channel have no
         version set."""
         expected = []
-        self.version = None
+        self.review_version = None
         assert (
             list(
                 self.get_review_actions(
@@ -556,6 +557,7 @@ class TestReviewHelper(TestReviewHelperBase):
             'public',
             'reject',
             'reject_multiple_versions',
+            'unreject_multiple_versions',
             'reply',
             'super',
             'comment',
@@ -573,7 +575,7 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_actions_unlisted(self):
         # Just regular review permissions don't let you do much on an unlisted
         # review page.
-        self.version.update(channel=amo.CHANNEL_UNLISTED)
+        self.review_version.update(channel=amo.CHANNEL_UNLISTED)
         self.grant_permission(self.user, 'Addons:Review')
         expected = ['reply', 'super', 'comment']
         assert (
@@ -653,7 +655,7 @@ class TestReviewHelper(TestReviewHelperBase):
         )
 
         # it's okay if the version is outside the blocked range though
-        block.update(min_version=self.version.version + '.1')
+        block.update(min_version=self.review_version.version + '.1')
         expected = [
             'public',
             'reject',
@@ -672,7 +674,7 @@ class TestReviewHelper(TestReviewHelperBase):
             version=self.addon.current_version, verdict=amo.AUTO_APPROVED
         )
         version_review_flags_factory(
-            version=self.version, pending_rejection=datetime.now()
+            version=self.review_version, pending_rejection=datetime.now()
         )
         expected = ['reply', 'super', 'comment']
         assert (
@@ -693,8 +695,8 @@ class TestReviewHelper(TestReviewHelperBase):
             'super',
             'comment',
         ]
-        self.version = version_factory(addon=self.addon)
-        self.file = self.version.file
+        self.review_version = version_factory(addon=self.addon)
+        self.file = self.review_version.file
 
         assert (
             list(
@@ -715,11 +717,12 @@ class TestReviewHelper(TestReviewHelperBase):
             version=self.addon.current_version, verdict=amo.AUTO_APPROVED
         )
         version_review_flags_factory(
-            version=self.version, pending_rejection=datetime.now()
+            version=self.review_version, pending_rejection=datetime.now()
         )
         expected = [
             'confirm_auto_approved',
             'reject_multiple_versions',
+            'unreject_multiple_versions',
             'reply',
             'super',
             'comment',
@@ -743,12 +746,13 @@ class TestReviewHelper(TestReviewHelperBase):
             'reject',
             'confirm_auto_approved',
             'reject_multiple_versions',
+            'unreject_multiple_versions',
             'reply',
             'super',
             'comment',
         ]
-        self.version = version_factory(addon=self.addon)
-        self.file = self.version.file
+        self.review_version = version_factory(addon=self.addon)
+        self.file = self.review_version.file
         assert (
             list(
                 self.get_review_actions(
@@ -789,9 +793,9 @@ class TestReviewHelper(TestReviewHelperBase):
 
     def test_set_file(self):
         self.file.update(datestatuschanged=yesterday)
-        self.helper.handler.set_file(amo.STATUS_APPROVED, self.version.file)
+        self.helper.handler.set_file(amo.STATUS_APPROVED, self.review_version.file)
 
-        self.file = self.version.file
+        self.file = self.review_version.file
         assert self.file.status == amo.STATUS_APPROVED
         assert self.file.datestatuschanged.date() > yesterday.date()
 
@@ -835,8 +839,8 @@ class TestReviewHelper(TestReviewHelperBase):
         self.helper.set_data(self.get_data())
         base_fragment = 'To respond, please reply to this email or visit'
         user = self.addon.listed_authors[0]
-        ActivityLogToken.objects.create(version=self.version, user=user)
-        uuid = self.version.token.get(user=user).uuid.hex
+        ActivityLogToken.objects.create(version=self.review_version, user=user)
+        uuid = self.review_version.token.get(user=user).uuid.hex
         reply_email = f'reviewreply+{uuid}@{settings.INBOUND_EMAIL_DOMAIN}'
 
         templates = (
@@ -951,7 +955,7 @@ class TestReviewHelper(TestReviewHelperBase):
         status = amo.STATUS_NOMINATED
         self.setup_data(status)
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
 
         # Make sure we have no public files
@@ -985,31 +989,31 @@ class TestReviewHelper(TestReviewHelperBase):
 
     def test_nomination_to_public_need_human_review(self):
         self.setup_data(amo.STATUS_NOMINATED)
-        self.version.update(needs_human_review=True)
+        self.review_version.update(needs_human_review=True)
         self.helper.handler.approve_latest_version()
         self.addon.reload()
-        self.version.reload()
+        self.review_version.reload()
         self.file.reload()
         assert self.addon.status == amo.STATUS_APPROVED
         assert self.file.status == amo.STATUS_APPROVED
-        assert not self.version.needs_human_review
+        assert not self.review_version.needs_human_review
 
     def test_nomination_to_public_need_human_review_not_human(self):
         self.setup_data(amo.STATUS_NOMINATED, human_review=False)
-        self.version.update(needs_human_review=True)
+        self.review_version.update(needs_human_review=True)
         self.helper.handler.approve_latest_version()
         self.addon.reload()
-        self.version.reload()
+        self.review_version.reload()
         self.file.reload()
         assert self.addon.status == amo.STATUS_APPROVED
         assert self.file.status == amo.STATUS_APPROVED
-        assert self.version.needs_human_review
+        assert self.review_version.needs_human_review
 
     def test_unlisted_approve_latest_version_need_human_review(self):
         self.setup_data(amo.STATUS_NULL, channel=amo.CHANNEL_UNLISTED)
-        self.version.update(needs_human_review=True)
+        self.review_version.update(needs_human_review=True)
         flags = version_review_flags_factory(
-            version=self.version,
+            version=self.review_version,
             needs_human_review_by_mad=True,
         )
         AddonReviewerFlags.objects.create(
@@ -1017,13 +1021,13 @@ class TestReviewHelper(TestReviewHelperBase):
         )
         self.helper.handler.approve_latest_version()
         self.addon.reload()
-        self.version.reload()
+        self.review_version.reload()
         self.file.reload()
         flags.reload()
         addon_flags = self.addon.reviewerflags.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.file.status == amo.STATUS_APPROVED
-        assert not self.version.needs_human_review
+        assert not self.review_version.needs_human_review
         assert not flags.needs_human_review_by_mad
         assert not addon_flags.auto_approval_disabled_until_next_approval_unlisted
 
@@ -1031,22 +1035,22 @@ class TestReviewHelper(TestReviewHelperBase):
         self.setup_data(
             amo.STATUS_NULL, channel=amo.CHANNEL_UNLISTED, human_review=False
         )
-        self.version.update(needs_human_review=True)
+        self.review_version.update(needs_human_review=True)
         flags = version_review_flags_factory(
-            version=self.version, needs_human_review_by_mad=True
+            version=self.review_version, needs_human_review_by_mad=True
         )
         AddonReviewerFlags.objects.create(
             addon=self.addon, auto_approval_disabled_until_next_approval_unlisted=True
         )
         self.helper.handler.approve_latest_version()
         self.addon.reload()
-        self.version.reload()
+        self.review_version.reload()
         self.file.reload()
         flags.reload()
         addon_flags = self.addon.reviewerflags.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.file.status == amo.STATUS_APPROVED
-        assert self.version.needs_human_review
+        assert self.review_version.needs_human_review
         assert flags.needs_human_review_by_mad
 
         # Not changed this this is not a human approval.
@@ -1075,7 +1079,8 @@ class TestReviewHelper(TestReviewHelperBase):
         self.sign_file_mock.reset()
         self.setup_data(amo.STATUS_NOMINATED)
         AutoApprovalSummary.objects.update_or_create(
-            version=self.version, defaults={'verdict': amo.AUTO_APPROVED, 'weight': 101}
+            version=self.review_version,
+            defaults={'verdict': amo.AUTO_APPROVED, 'weight': 101},
         )
 
         self.helper.handler.approve_latest_version()
@@ -1102,7 +1107,7 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_old_nomination_to_public_bonus_score(self):
         self.sign_file_mock.reset()
         self.setup_data(amo.STATUS_NOMINATED, type=amo.ADDON_STATICTHEME)
-        self.version.update(nomination=self.days_ago(9))
+        self.review_version.update(nomination=self.days_ago(9))
 
         self.helper.handler.approve_latest_version()
 
@@ -1160,7 +1165,7 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_addon_with_version_awaiting_review_to_public(self):
         self.sign_file_mock.reset()
         self.addon.current_version.update(created=self.days_ago(1))
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             version='3.0.42',
@@ -1170,10 +1175,10 @@ class TestReviewHelper(TestReviewHelperBase):
             },
         )
         self.preamble = 'Mozilla Add-ons: Delicious Bookmarks 3.0.42'
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.setup_data(amo.STATUS_APPROVED)
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         self.create_paths()
         AddonApprovalsCounter.objects.create(
@@ -1217,13 +1222,13 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_addon_with_version_need_human_review_to_public(self):
         self.old_version = self.addon.current_version
         self.old_version.update(created=self.days_ago(1), needs_human_review=True)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             version='3.0.42',
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.setup_data(amo.STATUS_APPROVED)
 
         self.helper.handler.approve_latest_version()
@@ -1239,13 +1244,13 @@ class TestReviewHelper(TestReviewHelperBase):
         AddonReviewerFlags.objects.create(
             addon=self.addon, auto_approval_disabled_until_next_approval=True
         )
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             version='3.0.42',
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.setup_data(amo.STATUS_APPROVED)
 
         self.helper.handler.approve_latest_version()
@@ -1260,7 +1265,7 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_addon_with_version_awaiting_review_to_sandbox(self):
         self.sign_file_mock.reset()
         self.addon.current_version.update(created=self.days_ago(1))
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             version='3.0.42',
@@ -1270,10 +1275,10 @@ class TestReviewHelper(TestReviewHelperBase):
             },
         )
         self.preamble = 'Mozilla Add-ons: Delicious Bookmarks 3.0.42'
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.setup_data(amo.STATUS_APPROVED)
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         AddonApprovalsCounter.objects.create(addon=self.addon, counter=1)
 
@@ -1308,14 +1313,14 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_addon_with_version_need_human_review_to_sandbox(self):
         self.old_version = self.addon.current_version
         self.old_version.update(created=self.days_ago(1), needs_human_review=True)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
             version='3.0.42',
             needs_human_review=True,
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.setup_data(amo.STATUS_APPROVED)
 
         self.helper.handler.reject_latest_version()
@@ -1332,14 +1337,14 @@ class TestReviewHelper(TestReviewHelperBase):
         self.addon.current_version.reload()
         assert self.addon.current_version.needs_human_review
 
-        self.version.reload()
-        assert not self.version.needs_human_review
+        self.review_version.reload()
+        assert not self.review_version.needs_human_review
 
     def test_public_addon_confirm_auto_approval(self):
         self.grant_permission(self.user, 'Addons:Review')
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
         summary = AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=151
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=151
         )
         assert summary.confirmed is None
         self.create_paths()
@@ -1362,7 +1367,7 @@ class TestReviewHelper(TestReviewHelperBase):
             .filter(action=amo.LOG.CONFIRM_AUTO_APPROVED.id)
             .get()
         )
-        assert activity.arguments == [self.addon, self.version]
+        assert activity.arguments == [self.addon, self.review_version]
         assert activity.details['comments'] == ''
 
         # Check points awarded.
@@ -1371,16 +1376,16 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_with_unreviewed_version_addon_confirm_auto_approval(self):
         self.grant_permission(self.user, 'Addons:Review')
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
-        self.current_version = self.version
+        self.current_version = self.review_version
         summary = AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=152
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=152
         )
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             version='3.0',
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.helper = self.get_helper()  # To make it pick up the new version.
         self.helper.set_data(self.get_data())
 
@@ -1410,14 +1415,14 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_public_with_disabled_version_addon_confirm_auto_approval(self):
         self.grant_permission(self.user, 'Addons:Review')
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
-        self.current_version = self.version
+        self.current_version = self.review_version
         summary = AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=153
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=153
         )
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.helper = self.get_helper()  # To make it pick up the new version.
         self.helper.set_data(self.get_data())
 
@@ -1448,12 +1453,12 @@ class TestReviewHelper(TestReviewHelperBase):
         self.grant_permission(self.user, 'Addons:Review')
         self.grant_permission(self.user, 'Reviews:Admin')
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_APPROVED}
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         summary = AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=153
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=153
         )
 
         for version in self.addon.versions.all():
@@ -1483,7 +1488,7 @@ class TestReviewHelper(TestReviewHelperBase):
             .filter(action=amo.LOG.CONFIRM_AUTO_APPROVED.id)
             .get()
         )
-        assert activity.arguments == [self.addon, self.version]
+        assert activity.arguments == [self.addon, self.review_version]
         assert activity.details['comments'] == ''
 
         # None of the versions should be pending rejection anymore.
@@ -1523,9 +1528,9 @@ class TestReviewHelper(TestReviewHelperBase):
     def test_confirm_multiple_versions_with_version_scanner_flags(self):
         self.grant_permission(self.user, 'Addons:ReviewUnlisted')
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
-        self.version.update(channel=amo.CHANNEL_UNLISTED)
+        self.review_version.update(channel=amo.CHANNEL_UNLISTED)
         flags = version_review_flags_factory(
-            version=self.version,
+            version=self.review_version,
             needs_human_review_by_mad=True,
         )
         assert flags.needs_human_review_by_mad
@@ -1565,14 +1570,14 @@ class TestReviewHelper(TestReviewHelperBase):
             needs_human_review=True,
             created=self.days_ago(6),
         )
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             version='5.0',
             channel=amo.CHANNEL_UNLISTED,
             needs_human_review=True,
             created=self.days_ago(5),
         )
-        self.file = self.version.file
+        self.file = self.review_version.file
         self.helper = self.get_helper()  # To make it pick up the new version.
         data = self.get_data().copy()
         data['versions'] = self.addon.versions.filter(
@@ -1589,8 +1594,8 @@ class TestReviewHelper(TestReviewHelperBase):
         summary.reload()
         assert summary.confirmed is True
 
-        self.version.reload()
-        assert self.version.needs_human_review  # Untouched.
+        self.review_version.reload()
+        assert self.review_version.needs_human_review  # Untouched.
 
         second_unlisted.reload()
         assert not second_unlisted.needs_human_review  # Cleared.
@@ -1627,7 +1632,8 @@ class TestReviewHelper(TestReviewHelperBase):
         message = mail.outbox[0]
         assert message.subject == ('%s signed and ready to download' % self.preamble)
         assert (
-            '%s is now signed and ready for you to download' % self.version.version
+            '%s is now signed and ready for you to download'
+            % self.review_version.version
             in message.body
         )
         assert 'You received this email because' not in message.body
@@ -1781,16 +1787,16 @@ class TestReviewHelper(TestReviewHelperBase):
             assert self.addon.needs_admin_code_review
 
     def test_nominated_review_time_set_version_approve_latest_version(self):
-        self.version.update(reviewed=None)
+        self.review_version.update(reviewed=None)
         self.setup_data(amo.STATUS_NOMINATED)
         self.helper.handler.approve_latest_version()
-        assert self.version.reload().reviewed
+        assert self.review_version.reload().reviewed
 
     def test_nominated_review_time_set_version_reject_latest_version(self):
-        self.version.update(reviewed=None)
+        self.review_version.update(reviewed=None)
         self.setup_data(amo.STATUS_NOMINATED)
         self.helper.handler.reject_latest_version()
-        assert self.version.reload().reviewed
+        assert self.review_version.reload().reviewed
 
     def test_nominated_review_time_set_file_approve_latest_version(self):
         self.file.update(reviewed=None)
@@ -1806,7 +1812,7 @@ class TestReviewHelper(TestReviewHelperBase):
 
     def test_review_unlisted_while_a_listed_version_is_awaiting_review(self):
         self.make_addon_unlisted(self.addon)
-        self.version.reload()
+        self.review_version.reload()
         version_factory(
             addon=self.addon,
             channel=amo.CHANNEL_LISTED,
@@ -1816,10 +1822,10 @@ class TestReviewHelper(TestReviewHelperBase):
         assert self.get_helper()
 
     def test_reject_multiple_versions(self):
-        old_version = self.version
-        self.version = version_factory(addon=self.addon, version='3.0')
+        old_version = self.review_version
+        self.review_version = version_factory(addon=self.addon, version='3.0')
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
 
@@ -1838,7 +1844,7 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.addon.current_version is None
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_DISABLED
 
         # The versions are not pending rejection.
@@ -1878,14 +1884,14 @@ class TestReviewHelper(TestReviewHelperBase):
         # The reviewer should have been automatically subscribed to new listed
         # versions.
         assert ReviewerSubscription.objects.filter(
-            addon=self.addon, user=self.user, channel=self.version.channel
+            addon=self.addon, user=self.user, channel=self.review_version.channel
         ).exists()
 
     def test_reject_multiple_versions_with_delay(self):
-        old_version = self.version
-        self.version = version_factory(addon=self.addon, version='3.0')
+        old_version = self.review_version
+        self.review_version = version_factory(addon=self.addon, version='3.0')
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
 
@@ -1912,8 +1918,8 @@ class TestReviewHelper(TestReviewHelperBase):
         self.addon.reload()
         self.file.reload()
         assert self.addon.status == amo.STATUS_APPROVED
-        assert self.addon.current_version == self.version
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert self.addon.current_version == self.review_version
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_APPROVED
 
         # The versions are now pending rejection.
@@ -1958,16 +1964,16 @@ class TestReviewHelper(TestReviewHelperBase):
         # The reviewer should have been automatically subscribed to new listed
         # versions.
         assert ReviewerSubscription.objects.filter(
-            addon=self.addon, user=self.user, channel=self.version.channel
+            addon=self.addon, user=self.user, channel=self.review_version.channel
         ).exists()
 
     def test_reject_multiple_versions_except_latest(self):
-        old_version = self.version
+        old_version = self.review_version
         extra_version = version_factory(addon=self.addon, version='3.1')
         # Add yet another version we don't want to reject.
-        self.version = version_factory(addon=self.addon, version='42.0')
+        self.review_version = version_factory(addon=self.addon, version='42.0')
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=91
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=91
         )
         self.setup_data(amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED)
 
@@ -1978,7 +1984,7 @@ class TestReviewHelper(TestReviewHelperBase):
         assert self.addon.current_version.is_public()
 
         data = self.get_data().copy()
-        data['versions'] = self.addon.versions.all().exclude(pk=self.version.pk)
+        data['versions'] = self.addon.versions.all().exclude(pk=self.review_version.pk)
         self.helper.set_data(data)
         self.helper.handler.reject_multiple_versions()
 
@@ -1986,9 +1992,9 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         # latest_version is still public so the add-on is still public.
         assert self.addon.status == amo.STATUS_APPROVED
-        assert self.addon.current_version == self.version
+        assert self.addon.current_version == self.review_version
         assert list(self.addon.versions.all().order_by('-pk')) == [
-            self.version,
+            self.review_version,
             extra_version,
             old_version,
         ]
@@ -2001,7 +2007,7 @@ class TestReviewHelper(TestReviewHelperBase):
             'Mozilla Add-ons: Versions disabled for Delicious Bookmarks'
         )
         assert 'Version(s) affected and disabled:\n3.1, 2.1.072' in message.body
-        log_token = ActivityLogToken.objects.filter(version=self.version).get()
+        log_token = ActivityLogToken.objects.filter(version=self.review_version).get()
         assert log_token.uuid.hex in message.reply_to[0]
 
         assert self.check_log_count(amo.LOG.REJECT_VERSION.id) == 2
@@ -2011,9 +2017,9 @@ class TestReviewHelper(TestReviewHelperBase):
         self._check_score(amo.REVIEWED_EXTENSION_MEDIUM_RISK)
 
     def test_reject_multiple_versions_need_human_review(self):
-        old_version = self.version
+        old_version = self.review_version
         old_version.update(needs_human_review=True)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon, version='3.0', needs_human_review=True
         )
 
@@ -2026,7 +2032,7 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.addon.current_version is None
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         # We rejected all versions so there aren't any left that need human
         # review.
         assert not self.addon.versions.filter(needs_human_review=True).exists()
@@ -2034,8 +2040,8 @@ class TestReviewHelper(TestReviewHelperBase):
 
     def test_reject_multiple_versions_content_review(self):
         self.grant_permission(self.user, 'Addons:ContentReview')
-        old_version = self.version
-        self.version = version_factory(addon=self.addon, version='3.0')
+        old_version = self.review_version
+        self.review_version = version_factory(addon=self.addon, version='3.0')
         self.setup_data(
             amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED, content_review=True
         )
@@ -2055,7 +2061,7 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.addon.current_version is None
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_DISABLED
 
         assert len(mail.outbox) == 1
@@ -2077,8 +2083,8 @@ class TestReviewHelper(TestReviewHelperBase):
 
     def test_reject_multiple_versions_content_review_with_delay(self):
         self.grant_permission(self.user, 'Addons:ContentReview')
-        old_version = self.version
-        self.version = version_factory(addon=self.addon, version='3.0')
+        old_version = self.review_version
+        self.review_version = version_factory(addon=self.addon, version='3.0')
         self.setup_data(
             amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED, content_review=True
         )
@@ -2086,7 +2092,7 @@ class TestReviewHelper(TestReviewHelperBase):
         # Pre-subscribe the user to new listed versions of this add-on, it
         # shouldn't matter.
         ReviewerSubscription.objects.create(
-            addon=self.addon, user=self.user, channel=self.version.channel
+            addon=self.addon, user=self.user, channel=self.review_version.channel
         )
 
         in_the_future = datetime.now() + timedelta(days=14)
@@ -2112,8 +2118,8 @@ class TestReviewHelper(TestReviewHelperBase):
         self.addon.reload()
         self.file.reload()
         assert self.addon.status == amo.STATUS_APPROVED
-        assert self.addon.current_version == self.version
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert self.addon.current_version == self.review_version
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_APPROVED
 
         # The versions are now pending rejection.
@@ -2148,13 +2154,109 @@ class TestReviewHelper(TestReviewHelperBase):
         # The reviewer was already subscribed to new listed versions for this
         # addon, nothing has changed.
         assert ReviewerSubscription.objects.filter(
-            addon=self.addon, user=self.user, channel=self.version.channel
+            addon=self.addon, user=self.user, channel=self.review_version.channel
         ).exists()
 
+    def test_unreject_multiple_versions_approved_addon(self):
+        first_version = self.review_version
+        self.review_version = version_factory(
+            addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
+        )
+        self.file = self.review_version.file
+
+        # Safeguards.
+        assert isinstance(self.helper.handler, ReviewFiles)
+        assert self.addon.status == amo.STATUS_APPROVED
+        assert first_version.file.status == amo.STATUS_APPROVED
+        assert self.file.status == amo.STATUS_DISABLED
+        assert self.addon.current_version.is_public()
+        assert self.addon.current_version == first_version
+
+        data = self.get_data().copy()
+        data['versions'] = [self.review_version]
+        self.helper.set_data(data)
+        self.helper.handler.unreject_multiple_versions()
+
+        self.addon.reload()
+        self.file.reload()
+        assert self.addon.status == amo.STATUS_APPROVED
+        assert self.addon.current_version == first_version
+        assert list(self.addon.versions.all()) == [self.review_version, first_version]
+        assert self.file.status == amo.STATUS_AWAITING_REVIEW
+
+        assert len(mail.outbox) == 0
+
+        assert self.check_log_count(amo.LOG.UNREJECT_VERSION.id) == 1
+
+    def test_unreject_multiple_versions_with_unlisted(self):
+        old_version = self.review_version
+        self.review_version = version_factory(addon=self.addon, version='3.0')
+        self.file = self.review_version.file
+        self.setup_data(
+            amo.STATUS_NULL,
+            file_status=amo.STATUS_DISABLED,
+            channel=amo.CHANNEL_UNLISTED,
+        )
+
+        # Safeguards.
+        assert isinstance(self.helper.handler, ReviewUnlisted)
+        assert self.addon.status == amo.STATUS_NULL
+        assert old_version.file.status == amo.STATUS_APPROVED
+        assert self.file.status == amo.STATUS_DISABLED
+        assert self.addon.current_version is None
+
+        data = self.get_data().copy()
+        data['versions'] = [self.review_version]
+        self.helper.set_data(data)
+        self.helper.handler.unreject_multiple_versions()
+
+        self.addon.reload()
+        self.file.reload()
+        assert self.addon.status == amo.STATUS_NULL
+        assert self.addon.current_version is None
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
+        assert self.file.status == amo.STATUS_AWAITING_REVIEW
+
+        assert len(mail.outbox) == 0
+
+        assert self.check_log_count(amo.LOG.UNREJECT_VERSION.id) == 1
+
+    def test_unreject_multiple_versions_incomplete_addon(self):
+        old_version = self.review_version
+        old_version.file.update(status=amo.STATUS_DISABLED)
+        self.review_version = version_factory(
+            addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
+        )
+        self.file = self.review_version.file
+        self.setup_data(amo.STATUS_NULL, file_status=amo.STATUS_DISABLED)
+
+        # Safeguards.
+        assert isinstance(self.helper.handler, ReviewFiles)
+        assert self.addon.status == amo.STATUS_NULL
+        assert old_version.file.status == amo.STATUS_DISABLED
+        assert self.file.status == amo.STATUS_DISABLED
+        assert self.addon.current_version is None
+
+        data = self.get_data().copy()
+        data['versions'] = [self.review_version]
+        self.helper.set_data(data)
+        self.helper.handler.unreject_multiple_versions()
+
+        self.addon.reload()
+        self.file.reload()
+        assert self.addon.status == amo.STATUS_NOMINATED
+        assert self.addon.current_version == self.review_version
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
+        assert self.file.status == amo.STATUS_AWAITING_REVIEW
+
+        assert len(mail.outbox) == 0
+
+        assert self.check_log_count(amo.LOG.UNREJECT_VERSION.id) == 1
+
     def test_approve_multiple_versions_unlisted(self):
-        old_version = self.version
+        old_version = self.review_version
         self.make_addon_unlisted(self.addon)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             version='3.0',
             channel=amo.CHANNEL_UNLISTED,
@@ -2181,7 +2283,7 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.addon.current_version is None
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_APPROVED
 
         # unlisted auto approvals should be enabled again
@@ -2212,16 +2314,16 @@ class TestReviewHelper(TestReviewHelperBase):
         assert logs[0].created == logs[1].created
 
     def test_reject_multiple_versions_unlisted(self):
-        old_version = self.version
+        old_version = self.review_version
         self.make_addon_unlisted(self.addon)
-        self.version = version_factory(
+        self.review_version = version_factory(
             addon=self.addon,
             version='3.0',
             channel=amo.CHANNEL_UNLISTED,
             file_kw={'status': amo.STATUS_AWAITING_REVIEW},
         )
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         self.setup_data(amo.STATUS_NULL, file_status=amo.STATUS_AWAITING_REVIEW)
 
@@ -2239,7 +2341,7 @@ class TestReviewHelper(TestReviewHelperBase):
         self.file.reload()
         assert self.addon.status == amo.STATUS_NULL
         assert self.addon.current_version is None
-        assert list(self.addon.versions.all()) == [self.version, old_version]
+        assert list(self.addon.versions.all()) == [self.review_version, old_version]
         assert self.file.status == amo.STATUS_DISABLED
 
         # unlisted auto approvals should be disabled until the next manual approval.
@@ -2275,9 +2377,9 @@ class TestReviewHelper(TestReviewHelperBase):
     def _test_reject_multiple_versions_delayed(self, content_review):
         # Do a rejection with delay.
         original_user = self.user
-        self.version = version_factory(addon=self.addon, version='3.0')
+        self.review_version = version_factory(addon=self.addon, version='3.0')
         AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED, weight=101
+            version=self.review_version, verdict=amo.AUTO_APPROVED, weight=101
         )
         self.setup_data(
             amo.STATUS_APPROVED,
@@ -2356,7 +2458,7 @@ class TestReviewHelper(TestReviewHelperBase):
             amo.STATUS_APPROVED, file_status=amo.STATUS_APPROVED, content_review=True
         )
         summary = AutoApprovalSummary.objects.create(
-            version=self.version, verdict=amo.AUTO_APPROVED
+            version=self.review_version, verdict=amo.AUTO_APPROVED
         )
         self.create_paths()
 
@@ -2380,7 +2482,7 @@ class TestReviewHelper(TestReviewHelperBase):
             .filter(action=amo.LOG.APPROVE_CONTENT.id)
             .get()
         )
-        assert activity.arguments == [self.addon, self.version]
+        assert activity.arguments == [self.addon, self.review_version]
         assert activity.details['comments'] == ''
 
         # Check points awarded.
@@ -2393,7 +2495,7 @@ class TestReviewHelper(TestReviewHelperBase):
             self.addon.get_dev_url('versions')
         )
 
-        self.version.update(channel=amo.CHANNEL_UNLISTED)
+        self.review_version.update(channel=amo.CHANNEL_UNLISTED)
         context_data = self.helper.handler.get_context_data()
         assert context_data['dev_versions_url'] == absolutify(
             reverse('devhub.addons.versions', args=[self.addon.id])
@@ -2467,8 +2569,8 @@ class TestReviewHelper(TestReviewHelperBase):
         assert self.addon.promoted_group() == STRATEGIC
 
     def _test_block_multiple_unlisted_versions(self, redirect_url):
-        old_version = self.version
-        self.version = version_factory(
+        old_version = self.review_version
+        self.review_version = version_factory(
             addon=self.addon, version='3.0', needs_human_review=True
         )
         self.setup_data(
@@ -2478,7 +2580,7 @@ class TestReviewHelper(TestReviewHelperBase):
         )
         # Add a needs_human_review_by_mad flag that should be cleared later.
         version_review_flags_factory(
-            version=self.version, needs_human_review_by_mad=True
+            version=self.review_version, needs_human_review_by_mad=True
         )
         # Safeguards.
         assert isinstance(self.helper.handler, ReviewUnlisted)
@@ -2506,7 +2608,7 @@ class TestReviewHelper(TestReviewHelperBase):
 
         # We should have set redirect_url to point to the Block admin page
         if '%s' in redirect_url:
-            redirect_url = redirect_url % (old_version.pk, self.version.pk)
+            redirect_url = redirect_url % (old_version.pk, self.review_version.pk)
         assert self.helper.redirect_url == redirect_url
 
     def test_pending_blocklistsubmission_multiple_unlisted_versions(self):
@@ -2564,9 +2666,9 @@ class TestReviewHelperSigning(TestReviewHelperBase):
             file_kw={'filename': 'webextension.xpi'},
             users=[self.user],
         )
-        self.version = self.addon.versions.all()[0]
+        self.review_version = self.addon.versions.all()[0]
         self.helper = self.get_helper()
-        self.file = self.version.file
+        self.file = self.review_version.file
 
     def test_nomination_to_public(self):
         self.setup_data(amo.STATUS_NOMINATED)
diff --git a/src/olympia/reviewers/tests/test_views.py b/src/olympia/reviewers/tests/test_views.py
index d4f880fc3e..7f7574c958 100644
--- a/src/olympia/reviewers/tests/test_views.py
+++ b/src/olympia/reviewers/tests/test_views.py
@@ -2864,6 +2864,7 @@ class TestReview(ReviewBase):
             'public',
             'reject',
             'reject_multiple_versions',
+            'unreject_multiple_versions',
             'reply',
             'super',
             'comment',
@@ -5008,6 +5009,85 @@ class TestReview(ReviewBase):
             assert version.pending_rejection
             self.assertCloseToNow(version.pending_rejection, now=in_the_future)
 
+    def test_unreject_multiple_versions(self):
+        old_version = self.version
+        version_factory(addon=self.addon, version='2.99')
+        old_version.file.update(status=amo.STATUS_DISABLED)
+        self.version = version_factory(
+            addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
+        )
+        GroupUser.objects.filter(user=self.reviewer).all().delete()
+        self.grant_permission(self.reviewer, 'Addons:Review')
+        self.grant_permission(self.reviewer, 'Reviews:Admin')
+        assert self.addon.status == amo.STATUS_APPROVED
+
+        response = self.client.post(
+            self.url,
+            {
+                'action': 'unreject_multiple_versions',
+                'versions': [old_version.pk, self.version.pk],
+            },
+        )
+
+        assert response.status_code == 302
+        for version in [old_version, self.version]:
+            file_ = version.file.reload()
+            assert file_.status == amo.STATUS_AWAITING_REVIEW
+        assert self.addon.reload().status == amo.STATUS_APPROVED
+
+    def test_unreject_multiple_versions_to_nominated(self):
+        old_version = self.version
+        old_version.file.update(status=amo.STATUS_DISABLED)
+        self.version = version_factory(
+            addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
+        )
+        GroupUser.objects.filter(user=self.reviewer).all().delete()
+        self.grant_permission(self.reviewer, 'Addons:Review')
+        self.grant_permission(self.reviewer, 'Reviews:Admin')
+        assert self.addon.status == amo.STATUS_NULL
+
+        response = self.client.post(
+            self.url,
+            {
+                'action': 'unreject_multiple_versions',
+                'versions': [old_version.pk, self.version.pk],
+            },
+        )
+
+        assert response.status_code == 302
+        for version in [old_version, self.version]:
+            file_ = version.file.reload()
+            assert file_.status == amo.STATUS_AWAITING_REVIEW
+        assert self.addon.reload().status == amo.STATUS_NOMINATED
+
+    def test_unreject_multiple_versions_with_unlisted(self):
+        old_version = self.version
+        old_version.file.update(status=amo.STATUS_DISABLED)
+        self.version = version_factory(
+            addon=self.addon, version='3.0', file_kw={'status': amo.STATUS_DISABLED}
+        )
+        self.make_addon_unlisted(self.addon)
+        GroupUser.objects.filter(user=self.reviewer).all().delete()
+        self.grant_permission(self.reviewer, 'Addons:Review')
+        self.grant_permission(self.reviewer, 'Reviews:Admin')
+        self.grant_permission(self.reviewer, 'Addons:ReviewUnlisted')
+        assert self.addon.status == amo.STATUS_NULL
+
+        unlisted_url = reverse('reviewers.review', args=['unlisted', self.addon.pk])
+        response = self.client.post(
+            unlisted_url,
+            {
+                'action': 'unreject_multiple_versions',
+                'versions': [old_version.pk, self.version.pk],
+            },
+        )
+
+        assert response.status_code == 302
+        for version in [old_version, self.version]:
+            file_ = version.file.reload()
+            assert file_.status == amo.STATUS_AWAITING_REVIEW
+        assert self.addon.reload().status == amo.STATUS_NULL
+
     def test_block_multiple_versions(self):
         self.url = reverse('reviewers.review', args=('unlisted', self.addon.pk))
         old_version = self.version
diff --git a/src/olympia/reviewers/utils.py b/src/olympia/reviewers/utils.py
index c6b470b15e..c95786e892 100644
--- a/src/olympia/reviewers/utils.py
+++ b/src/olympia/reviewers/utils.py
@@ -561,9 +561,11 @@ class ReviewHelper:
         is_appropriate_reviewer_post_review = acl.action_allowed_for(
             self.user, permission_post_review
         )
+        is_admin_reviewer = is_appropriate_reviewer and acl.action_allowed_for(
+            self.user, amo.permissions.REVIEWS_ADMIN
+        )
 
-        addon_is_complete_and_not_disabled = self.addon.status not in (
-            amo.STATUS_NULL,
+        addon_is_not_disabled_or_deleted = self.addon.status not in (
             amo.STATUS_DELETED,
             amo.STATUS_DISABLED,
         )
@@ -571,9 +573,8 @@ class ReviewHelper:
             self.addon.status == amo.STATUS_NULL and version_is_unlisted
         )
         addon_is_reviewable = (
-            addon_is_complete_and_not_disabled
-            or addon_is_incomplete_and_version_is_unlisted
-        )
+            addon_is_not_disabled_or_deleted and self.addon.status != amo.STATUS_NULL
+        ) or addon_is_incomplete_and_version_is_unlisted
         version_is_unreviewed = self.version and self.version.is_unreviewed
         addon_is_valid = self.addon.is_public() or self.addon.is_unreviewed()
         addon_is_valid_and_version_is_listed = (
@@ -689,7 +690,7 @@ class ReviewHelper:
             'method': self.handler.approve_multiple_versions,
             'label': _('Approve Multiple Versions'),
             'minimal': True,
-            'versions': True,
+            'multiple_versions': True,
             'details': _(
                 'This will approve the selected versions. '
                 'The comments will be sent to the developer.'
@@ -708,7 +709,7 @@ class ReviewHelper:
                 # or (unlisted and) awaiting review
                 or self.version.file.status == amo.STATUS_AWAITING_REVIEW
             ),
-            'versions': True,
+            'multiple_versions': True,
             'details': _(
                 'This will reject the selected versions. '
                 'The comments will be sent to the developer.'
@@ -717,11 +718,23 @@ class ReviewHelper:
             'allows_reasons': not is_static_theme,
             'requires_reasons': not is_static_theme,
         }
+        actions['unreject_multiple_versions'] = {
+            'method': self.handler.unreject_multiple_versions,
+            'label': _('Un-Reject Versions'),
+            'minimal': True,
+            'multiple_versions': True,
+            'details': _(
+                'This will un-reject the selected versions without notifying the '
+                'developer.'
+            ),
+            'comments': False,
+            'available': (addon_is_not_disabled_or_deleted and is_admin_reviewer),
+        }
         actions['block_multiple_versions'] = {
             'method': self.handler.block_multiple_versions,
             'label': _('Block Multiple Versions'),
             'minimal': True,
-            'versions': True,
+            'multiple_versions': True,
             'comments': False,
             'details': _(
                 'This will disable the selected approved '
@@ -736,7 +749,7 @@ class ReviewHelper:
             'method': self.handler.confirm_multiple_versions,
             'label': _('Confirm Multiple Versions'),
             'minimal': True,
-            'versions': True,
+            'multiple_versions': True,
             'details': _(
                 'This will confirm approval of the selected '
                 'versions without notifying the developer.'
@@ -1360,6 +1373,37 @@ class ReviewBase:
                 content_review=self.content_review,
             )
 
+    def unreject_multiple_versions(self):
+        """Un-reject a list of versions."""
+        # self.version and self.file won't point to the versions we want to
+        # modify in this action, so set them to None before finding the right
+        # versions.
+        self.version = None
+        self.file = None
+        now = datetime.now()
+        # we're only supporting non-automated reviews right now:
+        assert self.human_review
+
+        log.info(
+            'Making %s versions %s awaiting review (not disabled)'
+            % (self.addon, ', '.join(str(v.pk) for v in self.data['versions']))
+        )
+
+        for version in self.data['versions']:
+            self.set_file(amo.STATUS_AWAITING_REVIEW, version.file)
+
+            self.log_action(
+                action=amo.LOG.UNREJECT_VERSION,
+                version=version,
+                file=version.file,
+                timestamp=now,
+                user=self.user,
+            )
+
+        if self.data['versions']:
+            # if these are listed versions then the addon status may need updating
+            self.addon.update_nominated_status(self.user)
+
     def notify_about_auto_approval_delay(self, version):
         """Notify developers of the add-on when their version has not been
         auto-approved for a while."""