55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
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/*
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Copyright 2020 The Qmgo Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package field
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import (
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"time"
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"go.mongodb.org/mongo-driver/bson/primitive"
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)
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// DefaultFieldHook defines the interface to change default fields by hook
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type DefaultFieldHook interface {
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DefaultUpdateAt()
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DefaultCreateAt()
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DefaultId()
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}
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// DefaultField defines the default fields to handle when operation happens
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// import the DefaultField in document struct to make it working
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type DefaultField struct {
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Id primitive.ObjectID `bson:"_id"`
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CreateAt time.Time `bson:"createAt"`
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UpdateAt time.Time `bson:"updateAt"`
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}
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// DefaultUpdateAt changes the default updateAt field
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func (df *DefaultField) DefaultUpdateAt() {
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df.UpdateAt = time.Now().Local()
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}
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// DefaultCreateAt changes the default createAt field
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func (df *DefaultField) DefaultCreateAt() {
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if df.CreateAt.IsZero() {
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df.CreateAt = time.Now().Local()
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}
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}
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// DefaultId changes the default _id field
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func (df *DefaultField) DefaultId() {
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if df.Id.IsZero() {
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df.Id = primitive.NewObjectID()
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}
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}
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