[Update] 修改正则表达式

apps/assets/filters.py

@@ -45,7 +45,7 @@ class AssetByNodeFilterBackend(filters.BaseFilterBackend):
 
     @staticmethod
     def perform_query(pattern, queryset):
-        return queryset.filter(nodes__key__regex=pattern)
+        return queryset.filter(nodes__key__regex=pattern).distinct()
 
     def filter_queryset(self, request, queryset, view):
         node, has_query_arg = self.get_query_node(request)

apps/assets/models/asset.py

@@ -112,7 +112,7 @@ class NodesRelationMixin:
     def get_all_nodes(self, flat=False):
         nodes = []
         for node in self.get_nodes():
-            _nodes = node.get_ancestor(with_self=True)
+            _nodes = node.get_ancestors(with_self=True)
             nodes.append(_nodes)
         if flat:
             nodes = list(reduce(lambda x, y: set(x) | set(y), nodes))

apps/assets/models/node.py

@@ -10,7 +10,7 @@ from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import ugettext
 from django.core.cache import cache
 
-from common.utils import get_logger, timeit
+from common.utils import get_logger, timeit, lazyproperty
 from orgs.mixins.models import OrgModelMixin, OrgManager
 from orgs.utils import set_current_org, get_current_org, tmp_to_org
 from orgs.models import Organization
@@ -74,10 +74,6 @@ class TreeMixin:
             t = time.time()
         cache.set(key, t, ttl)
 
-    @property
-    def _tree(self):
-        return self.__class__.tree()
-
     @staticmethod
     def refresh_user_tree_cache():
         """
@@ -108,43 +104,105 @@ class FamilyMixin:
                 nodes_keys_clean.append(key)
         return nodes_keys_clean
 
-    @property
-    def children(self):
-        return self.get_children(with_self=False)
-
-    @property
-    def all_children(self):
-        return self.get_all_children(with_self=False)
+    @classmethod
+    def get_node_all_children_key_pattern(cls, key, with_self=True):
+        pattern = r'^{0}:'.format(key)
+        if with_self:
+            pattern += r'|^{0}$'.format(key)
+        return pattern
 
-    def get_children_key_pattern(self, with_self=False):
-        pattern = r'^{0}:[0-9]+$'.format(self.key)
+    @classmethod
+    def get_node_children_key_pattern(cls, key, with_self=True):
+        pattern = r'^{0}:[0-9]+$'.format(key)
         if with_self:
-            pattern += r'|^{0}$'.format(self.key)
+            pattern += r'|^{0}$'.format(key)
         return pattern
 
+    def get_children_key_pattern(self, with_self=False):
+        return self.get_node_children_key_pattern(self.key, with_self=with_self)
+
+    def get_all_children_pattern(self, with_self=False):
+        return self.get_node_all_children_key_pattern(self.key, with_self=with_self)
+
+    def is_children(self, other):
+        children_pattern = other.get_children_key_pattern(with_self=False)
+        return re.match(children_pattern, self.key)
+
     def get_children(self, with_self=False):
         pattern = self.get_children_key_pattern(with_self=with_self)
         return Node.objects.filter(key__regex=pattern)
 
-    def get_all_children_pattern(self, with_self=False):
-        pattern = r'^{0}:'.format(self.key)
-        if with_self:
-            pattern += r'|^{0}$'.format(self.key)
-        return pattern
-
     def get_all_children(self, with_self=False):
         pattern = self.get_all_children_pattern(with_self=with_self)
         children = Node.objects.filter(key__regex=pattern)
         return children
 
     @property
-    def parents(self):
-        return self.get_ancestor(with_self=False)
+    def children(self):
+        return self.get_children(with_self=False)
+
+    @property
+    def all_children(self):
+        return self.get_all_children(with_self=False)
 
-    def get_ancestor(self, with_self=False):
+    def create_child(self, value, _id=None):
+        with transaction.atomic():
+            child_key = self.get_next_child_key()
+            child = self.__class__.objects.create(
+                id=_id, key=child_key, value=value
+            )
+            return child
+
+    def get_next_child_key(self):
+        mark = self.child_mark
+        self.child_mark += 1
+        self.save()
+        return "{}:{}".format(self.key, mark)
+
+    def get_next_child_preset_name(self):
+        name = ugettext("New node")
+        values = [
+            child.value[child.value.rfind(' '):]
+            for child in self.get_children()
+            if child.value.startswith(name)
+        ]
+        values = [int(value) for value in values if value.strip().isdigit()]
+        count = max(values) + 1 if values else 1
+        return '{} {}'.format(name, count)
+
+    # Parents
+    @classmethod
+    def get_node_ancestor_keys(cls, key, with_self=False):
+        parent_keys = []
+        key_list = key.split(":")
+        if not with_self:
+            key_list.pop()
+        for i in range(len(key_list)):
+            parent_keys.append(":".join(key_list))
+            key_list.pop()
+        return parent_keys
+
+    def get_ancestor_keys(self, with_self=False):
+        return self.get_node_ancestor_keys(
+            self.key, with_self=with_self
+        )
+
+    @property
+    def ancestors(self):
+        return self.get_ancestors(with_self=False)
+
+    def get_ancestors(self, with_self=False):
         ancestor_keys = self.get_ancestor_keys(with_self=with_self)
         return self.__class__.objects.filter(key__in=ancestor_keys)
 
+    @property
+    def parent_key(self):
+        parent_key = ":".join(self.key.split(":")[:-1])
+        return parent_key
+
+    def is_parent(self, other):
+        return other.is_children(self)
+
     @property
     def parent(self):
         if self.is_org_root():
@@ -177,103 +235,33 @@ class FamilyMixin:
         return sibling
 
     def get_family(self):
-        ancestor = self.get_ancestor()
+        ancestors = self.get_ancestors()
         children = self.get_all_children()
-        return [*tuple(ancestor), self, *tuple(children)]
-
-    @classmethod
-    def get_nodes_ancestor_keys_by_key(cls, key, with_self=False):
-        parent_keys = []
-        key_list = key.split(":")
-        if not with_self:
-            key_list.pop()
-        for i in range(len(key_list)):
-            parent_keys.append(":".join(key_list))
-            key_list.pop()
-        return parent_keys
-
-    def get_ancestor_keys(self, with_self=False):
-        return self.__class__.get_nodes_ancestor_keys_by_key(
-            self.key, with_self=with_self
-        )
-
-    def is_children(self, other):
-        pattern = r'^{0}:[0-9]+$'.format(self.key)
-        return re.match(pattern, other.key)
-
-    def is_parent(self, other):
-        return other.is_children(self)
-
-    @property
-    def parent_key(self):
-        parent_key = ":".join(self.key.split(":")[:-1])
-        return parent_key
-
-    @property
-    def parents_keys(self, with_self=False):
-        keys = []
-        key_list = self.key.split(":")
-        if not with_self:
-            key_list.pop()
-        for i in range(len(key_list)):
-            keys.append(':'.join(key_list))
-            key_list.pop()
-        return keys
-
-    def get_next_child_key(self):
-        mark = self.child_mark
-        self.child_mark += 1
-        self.save()
-        return "{}:{}".format(self.key, mark)
-
-    def get_next_child_preset_name(self):
-        name = ugettext("New node")
-        values = [
-            child.value[child.value.rfind(' '):]
-            for child in self.get_children()
-            if child.value.startswith(name)
-        ]
-        values = [int(value) for value in values if value.strip().isdigit()]
-        count = max(values) + 1 if values else 1
-        return '{} {}'.format(name, count)
-
-    def create_child(self, value, _id=None):
-        with transaction.atomic():
-            child_key = self.get_next_child_key()
-            child = self.__class__.objects.create(
-                id=_id, key=child_key, value=value
-            )
-            return child
+        return [*tuple(ancestors), self, *tuple(children)]
 
 
 class FullValueMixin:
-    _full_value = None
     key = ''
 
-    @property
+    @lazyproperty
     def full_value(self):
         if self.is_org_root():
             return self.value
-        if self._full_value is not None:
-            return self._full_value
-        value = self._tree.get_node_full_tag(self.key)
+        value = self.tree().get_node_full_tag(self.key)
         return value
 
 
 class NodeAssetsMixin:
-    _assets_amount = None
     key = ''
     id = None
 
-    @property
+    @lazyproperty
     def assets_amount(self):
         """
         获取节点下所有资产数量速度太慢，所以需要重写，使用cache等方案
         :return:
         """
-        if self._assets_amount is not None:
-            return self._assets_amount
-        amount = self._tree.assets_amount(self.key)
+        amount = self.tree().assets_amount(self.key)
         return amount
 
     def get_all_assets(self):
@@ -297,6 +285,22 @@ class NodeAssetsMixin:
     def get_all_valid_assets(self):
         return self.get_all_assets().valid()
 
+    @classmethod
+    def _get_nodes_all_assets(cls, nodes_keys):
+        """
+        当节点比较多的时候，这种正则方式性能差极了
+        :param nodes_keys:
+        :return:
+        """
+        from .asset import Asset
+        nodes_keys = cls.clean_children_keys(nodes_keys)
+        nodes_children_pattern = set()
+        for key in nodes_keys:
+            children_pattern = cls.get_node_all_children_key_pattern(key)
+            nodes_children_pattern.add(children_pattern)
+        pattern = '|'.join(nodes_children_pattern)
+        return Asset.objects.filter(nodes__key__regex=pattern).distinct()
+
     @classmethod
     def get_nodes_all_assets(cls, nodes_keys, extra_assets_ids=None):
         from .asset import Asset

apps/assets/utils.py

@@ -70,10 +70,14 @@ class TreeService(Tree):
                     continue
                 self.nodes_assets_map[key].add(asset_id)
 
-    def all_children(self, nid, with_self=True, deep=False):
+    def all_children_ids(self, nid, with_self=True):
         children_ids = self.expand_tree(nid)
         if not with_self:
             next(children_ids)
+        return list(children_ids)
+
+    def all_children(self, nid, with_self=True, deep=False):
+        children_ids = self.all_children_ids(nid, with_self=with_self)
         return [self.get_node(i, deep=deep) for i in children_ids]
 
     def ancestors(self, nid, with_self=False, deep=False):

apps/perms/api/asset_permission.py

@@ -75,7 +75,7 @@ class AssetPermissionViewSet(viewsets.ModelViewSet):
             return queryset
         if not node:
             return queryset.none()
-        nodes = node.get_ancestor(with_self=True)
+        nodes = node.get_ancestors(with_self=True)
         queryset = queryset.filter(nodes__in=nodes)
         return queryset
 
@@ -99,11 +99,11 @@ class AssetPermissionViewSet(viewsets.ModelViewSet):
         for key in inherit_nodes_keys:
             if key is None:
                 continue
-            ancestor_keys = Node.get_nodes_ancestor_keys_by_key(key, with_self=True)
+            ancestor_keys = Node.get_node_ancestor_keys(key, with_self=True)
             inherit_all_nodes.update(ancestor_keys)
         queryset = queryset.filter(
             Q(assets__in=assets) | Q(nodes__key__in=inherit_all_nodes)
-        )
+        ).distinct()
         return queryset
 
     def filter_user(self, queryset):