pm/models/question.go

package models

import (
	"errors"
	"zhiyuan/pkg/db"
)

type Question struct {
	ID        int    `json:"id"`
	CourseId  int    `json:"course_id"`
	Content   string `json:"content"`
	Options   string `json:"options"`
	Answer    string `json:"answer"`
	Show      int    `json:"show"`
	CreatedAt int    `json:"created_at"`
	UpdatedAt int    `json:"updated_at"`
}

func (Question) TableName() string {
	return "zy_question"
}

func (a Question) GetOne(where map[string]interface{}, fields []string, retVal interface{}) (*Question, error) {
	if retVal == nil {
		var question *Question
		err := db.GetOne(a.TableName(), where, fields, &question)
		return question, err
	} else {
		err := db.GetOne(a.TableName(), where, fields, retVal)
		return nil, err
	}
}

func (a Question) GetMulti(where map[string]interface{}, fields []string, retVal interface{}) ([]*Question, error) {
	if retVal == nil {
		var question []*Question
		err := db.GetMulti(a.TableName(), where, fields, &question)
		return question, err
	} else {
		err := db.GetMulti(a.TableName(), where, fields, retVal)
		return nil, err
	}
}

func (a Question) GetOneRaw(where map[string]string, param map[string]interface{}, retVal interface{}) (*Question, error) {
	question, err := a.GetMultiRaw(where, param, retVal)
	if err != nil {
		return nil, err
	}
	if len(question) == 0 {
		return nil, errors.New("empty record2")
	}
	return question[0], nil
}

func (a Question) GetMultiRaw(where map[string]string, param map[string]interface{}, retVal interface{}) ([]*Question, error) {
	field := "SELECT * FROM zy_question "
	if retVal == nil {
		var question []*Question
		err := db.GetMultiRaw(field, where, param, &question)
		return question, err
	} else {
		err := db.GetMultiRaw(field, where, param, retVal)
		return nil, err
	}
}