[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/serializers/database_app_permission_relation.py

@@ -0,0 +1,94 @@
+# coding: utf-8
+#
+from rest_framework import serializers
+
+from applications.models import DatabaseApp
+from common.mixins import BulkSerializerMixin
+from common.serializers import AdaptedBulkListSerializer
+
+from .. import models
+
+__all__ = [
+    'DatabaseAppPermissionUserRelationSerializer',
+    'DatabaseAppPermissionUserGroupRelationSerializer',
+    'DatabaseAppPermissionAllUserSerializer',
+    'DatabaseAppPermissionDatabaseAppRelationSerializer',
+    'DatabaseAppPermissionAllDatabaseAppSerializer',
+    'DatabaseAppPermissionSystemUserRelationSerializer',
+]
+
+
+class RelationMixin(BulkSerializerMixin, serializers.Serializer):
+    databaseapppermission_display = serializers.ReadOnlyField()
+
+    def get_field_names(self, declared_fields, info):
+        fields = super().get_field_names(declared_fields, info)
+        fields.extend(['databaseapppermission', "databaseapppermission_display"])
+        return fields
+
+    class Meta:
+        list_serializer_class = AdaptedBulkListSerializer
+
+
+class DatabaseAppPermissionUserRelationSerializer(RelationMixin, serializers.ModelSerializer):
+    user_display = serializers.ReadOnlyField()
+
+    class Meta(RelationMixin.Meta):
+        model = models.DatabaseAppPermission.users.through
+        fields = [
+            'id', 'user', 'user_display',
+        ]
+
+
+class DatabaseAppPermissionUserGroupRelationSerializer(RelationMixin, serializers.ModelSerializer):
+    usergroup_display = serializers.ReadOnlyField()
+
+    class Meta(RelationMixin.Meta):
+        model = models.DatabaseAppPermission.user_groups.through
+        fields = [
+            'id', 'usergroup', "usergroup_display",
+        ]
+
+
+class DatabaseAppPermissionAllUserSerializer(serializers.Serializer):
+    user = serializers.UUIDField(read_only=True, source='id')
+    user_display = serializers.SerializerMethodField()
+
+    class Meta:
+        only_fields = ['id', 'username', 'name']
+
+    @staticmethod
+    def get_user_display(obj):
+        return str(obj)
+
+
+class DatabaseAppPermissionDatabaseAppRelationSerializer(RelationMixin, serializers.ModelSerializer):
+    databaseapp_display = serializers.ReadOnlyField()
+
+    class Meta(RelationMixin.Meta):
+        model = models.DatabaseAppPermission.database_apps.through
+        fields = [
+            'id', "databaseapp", "databaseapp_display",
+        ]
+
+
+class DatabaseAppPermissionAllDatabaseAppSerializer(serializers.Serializer):
+    databaseapp = serializers.UUIDField(read_only=True, source='id')
+    databaseapp_display = serializers.SerializerMethodField()
+
+    class Meta:
+        only_fields = ['id', 'name']
+
+    @staticmethod
+    def get_databaseapp_display(obj):
+        return str(obj)
+
+
+class DatabaseAppPermissionSystemUserRelationSerializer(RelationMixin, serializers.ModelSerializer):
+    systemuser_display = serializers.ReadOnlyField()
+
+    class Meta(RelationMixin.Meta):
+        model = models.DatabaseAppPermission.system_users.through
+        fields = [
+            'id', 'systemuser', 'systemuser_display'
+        ]