gd_adm_data/model/engine_info.go

// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package model

import (
	"gorm.io/gorm"
	"time"
)

type EngineInfo struct {
	ID           int64  `gorm:"primary_key" json:"-"`
	ModelNo      string `json:"model_no"`
	EngineType   string `json:"engine_type"`
	Displacement string `json:"displacement"`
	RatedPower   string `json:"rated_power"`
}

func (EngineInfo) TableName() string {
	return "v_gadm_engine_info"
}

// Insert 插入一条记录
func (p *EngineInfo) Insert(db *gorm.DB) error {

	err := db.Create(p).Error
	return err
}

func (p *EngineInfo) InsertByMap(db *gorm.DB, data map[string]interface{}) error {
	data["updated_at"] = time.Now().Unix()
	err := db.Model(p).Create(data).Error
	return err
}

func (p *EngineInfo) Delete(db *gorm.DB, filter map[string]interface{}) error {
	err := db.Where(filter).Delete(p).Error
	return err
}

func (p *EngineInfo) Save(db *gorm.DB) error {
	//db.Model().Update()
	err := db.Save(p).Error
	return err
}

func (p *EngineInfo) Update(db *gorm.DB) error {

	err := db.Model(p).Updates(p).Error
	return err
}

func (p *EngineInfo) UpdateByMap(db *gorm.DB, data map[string]interface{}) error {
	data["updated_at"] = time.Now().Unix()
	err := db.Model(p).Updates(data).Error
	return err
}

// 通过结构体变量更新字段值, gorm库会忽略零值字段。就是字段值等于0, nil, "", false这些值会被忽略掉，不会更新。如果想更新零值，可以使用map类型替代结构体。
func (p *EngineInfo) UpdateSome(db *gorm.DB, filed map[string]interface{}) error {
	/*if filed == nil {
		return errors.ParamsError
	}*/
	timeNow := time.Now().Unix()
	filed["updated_at"] = timeNow
	err := db.Model(p).Updates(filed).Error
	return err
}

func (p *EngineInfo) Query(db *gorm.DB, filter map[string]interface{}) error {
	err := db.Where(filter).Order("id DESC").Find(p).Error

	return err
}

func (p *EngineInfo) QueryAll(db *gorm.DB, filter map[string]interface{}, out interface{}) error {
	err := db.Where(filter).Find(out).Error
	return err
}