[Feature] 添加功能：数据库应用 (#3551)

* [Update] 添加数据库应用Model

* [Update] 添加数据库应用ViewSet

* [Update] 添加数据库应用HTML

* [Update] 更新数据库应用迁移文件

* [Update] 添加数据库应用授权Model

* [Update] 添加数据库应用授权ViewSet（待续）

* [Update] 添加数据库应用授权ViewSet（完结）

* [Update] 添加数据库应用授权View（待续）

* [Update] 添加数据库应用授权View（待续2）

* [Update] 修改远程应用授权View（小问题）

* [Update] 添加数据库应用授权View（待续3）

* [Update] 添加数据库应用授权View（完结）

* [Update] 添加数据库应用授权相关API

* [Update] 添加数据库应用View（用户页面）

* [Update] 修改数据库应用授权Model/View/API（系统用户）

* [Update] 修改系统用户Model/View（添加mysql协议）

* [Update] 修改用户页面（我的应用）

* [Update] 添加迁移文件

* [Update] 添加迁移文件2

* [Update] 续添加迁移文件2（Model更改）

* [Update] 修改系统用户序列类（mysql协议自动生成密码问题）

* [Update] 修改数据库应用/资产等授权序列类

* [Update] 修改命令列表/会话详情命令溢出

* [Update] 修改授权详情中添加系统用户的过滤

* [Update] 修改列表动作的宽度

apps/perms/api/database_app_permission_relation.py

@@ -0,0 +1,132 @@
+# coding: utf-8
+#
+
+from rest_framework import generics
+from django.db.models import F, Value
+from django.db.models.functions import Concat
+from django.shortcuts import get_object_or_404
+
+from orgs.mixins.api import OrgBulkModelViewSet
+from orgs.utils import current_org
+from common.permissions import IsOrgAdmin
+from .. import models, serializers
+
+__all__ = [
+    'DatabaseAppPermissionUserRelationViewSet',
+    'DatabaseAppPermissionUserGroupRelationViewSet',
+    'DatabaseAppPermissionAllUserListApi',
+    'DatabaseAppPermissionDatabaseAppRelationViewSet',
+    'DatabaseAppPermissionAllDatabaseAppListApi',
+    'DatabaseAppPermissionSystemUserRelationViewSet',
+]
+
+
+class RelationMixin(OrgBulkModelViewSet):
+    def get_queryset(self):
+        queryset = self.model.objects.all()
+        org_id = current_org.org_id()
+        if org_id is not None:
+            queryset = queryset.filter(databaseapppermission__org_id=org_id)
+        queryset = queryset.annotate(databaseapppermission_display=F('databaseapppermission__name'))
+        return queryset
+
+
+class DatabaseAppPermissionUserRelationViewSet(RelationMixin):
+    serializer_class = serializers.DatabaseAppPermissionUserRelationSerializer
+    model = models.DatabaseAppPermission.users.through
+    permission_classes = (IsOrgAdmin,)
+    filterset_fields = [
+        'id', 'user', 'databaseapppermission'
+    ]
+    search_fields = ('user__name', 'user__username', 'databaseapppermission__name')
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        queryset = queryset.annotate(user_display=F('user__name'))
+        return queryset
+
+
+class DatabaseAppPermissionUserGroupRelationViewSet(RelationMixin):
+    serializer_class = serializers.DatabaseAppPermissionUserGroupRelationSerializer
+    model = models.DatabaseAppPermission.user_groups.through
+    permission_classes = (IsOrgAdmin,)
+    filterset_fields = [
+        'id', "usergroup", "databaseapppermission"
+    ]
+    search_fields = ["usergroup__name", "databaseapppermission__name"]
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        queryset = queryset \
+            .annotate(usergroup_display=F('usergroup__name'))
+        return queryset
+
+
+class DatabaseAppPermissionAllUserListApi(generics.ListAPIView):
+    permission_classes = (IsOrgAdmin,)
+    serializer_class = serializers.DatabaseAppPermissionAllUserSerializer
+    filter_fields = ("username", "name")
+    search_fields = filter_fields
+
+    def get_queryset(self):
+        pk = self.kwargs.get("pk")
+        perm = get_object_or_404(models.DatabaseAppPermission, pk=pk)
+        users = perm.get_all_users().only(
+            *self.serializer_class.Meta.only_fields
+        )
+        return users
+
+
+class DatabaseAppPermissionDatabaseAppRelationViewSet(RelationMixin):
+    serializer_class = serializers.DatabaseAppPermissionDatabaseAppRelationSerializer
+    model = models.DatabaseAppPermission.database_apps.through
+    permission_classes = (IsOrgAdmin,)
+    filterset_fields = [
+        'id', 'databaseapp', 'databaseapppermission',
+    ]
+    search_fields = [
+        "id", "databaseapp__name", "databaseapppermission__name"
+    ]
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        queryset = queryset \
+            .annotate(databaseapp_display=F('databaseapp__name'))
+        return queryset
+
+
+class DatabaseAppPermissionAllDatabaseAppListApi(generics.ListAPIView):
+    permission_classes = (IsOrgAdmin,)
+    serializer_class = serializers.DatabaseAppPermissionAllDatabaseAppSerializer
+    filter_fields = ("name",)
+    search_fields = filter_fields
+
+    def get_queryset(self):
+        pk = self.kwargs.get("pk")
+        perm = get_object_or_404(models.DatabaseAppPermission, pk=pk)
+        database_apps = perm.get_all_database_apps().only(
+            *self.serializer_class.Meta.only_fields
+        )
+        return database_apps
+
+
+class DatabaseAppPermissionSystemUserRelationViewSet(RelationMixin):
+    serializer_class = serializers.DatabaseAppPermissionSystemUserRelationSerializer
+    model = models.DatabaseAppPermission.system_users.through
+    permission_classes = (IsOrgAdmin,)
+    filterset_fields = [
+        'id', 'systemuser', 'databaseapppermission'
+    ]
+    search_fields = [
+        'databaseapppermission__name', 'systemuser__name', 'systemuser__username'
+    ]
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        queryset = queryset.annotate(
+            systemuser_display=Concat(
+                F('systemuser__name'), Value('('), F('systemuser__username'),
+                Value(')')
+            )
+        )
+        return queryset