83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package model
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import (
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"context"
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"time"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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var globalIsRelated bool = true // 全局预加载
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// prepare for other
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type _BaseMgr struct {
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*gorm.DB
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ctx context.Context
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cancel context.CancelFunc
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timeout time.Duration
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isRelated bool
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}
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// SetCtx set context
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func (obj *_BaseMgr) SetTimeOut(timeout time.Duration) {
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obj.ctx, obj.cancel = context.WithTimeout(context.Background(), timeout)
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obj.timeout = timeout
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}
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// SetCtx set context
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func (obj *_BaseMgr) SetCtx(c context.Context) {
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obj.ctx = c
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}
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// GetDB get gorm.DB info
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func (obj *_BaseMgr) GetDB() *gorm.DB {
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return obj.DB
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}
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// UpdateDB update gorm.DB info
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func (obj *_BaseMgr) UpdateDB(db *gorm.DB) {
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obj.DB = db
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}
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// GetIsRelated Query foreign key Association.获取是否查询外键关联(gorm.Related)
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func (obj *_BaseMgr) GetIsRelated() bool {
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return obj.isRelated
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}
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// SetIsRelated Query foreign key Association.设置是否查询外键关联(gorm.Related)
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func (obj *_BaseMgr) SetIsRelated(b bool) {
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obj.isRelated = b
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}
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func (obj *_BaseMgr) new() *gorm.DB {
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newDb := obj.DB.WithContext(obj.ctx)
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newDb.Statement.Clauses = make(map[string]clause.Clause)
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return newDb
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}
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type options struct {
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query map[string]interface{}
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}
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// Option overrides behavior of Connect.
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type Option interface {
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apply(*options)
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}
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type optionFunc func(*options)
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func (f optionFunc) apply(o *options) {
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f(o)
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}
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// OpenRelated 打开全局预加载
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func OpenRelated() {
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globalIsRelated = true
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}
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// CloseRelated 关闭全局预加载
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func CloseRelated() {
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globalIsRelated = true
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}
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