package cache

import (
	"context"
	"joybuywork/internal/app"
	"joybuywork/internal/plugins/jsonm"
	"joybuywork/internal/repository/dao"
	"joybuywork/internal/repository/dbcheck"
	"joybuywork/internal/repository/model"
	"fmt"
)

type ProjectAd struct {
	Cache
}

func NewProjectAd(ctx context.Context) *ProjectAd {
	c := new(ProjectAd)
	c.init(ctx, &model.ProjectAd{})

	return c
}

// FindByProjectId project_id 获取数据
func (c ProjectAd) FindByProjectId(projectId int64) (*model.ProjectAd, error) {
	data, err := c.get(c.projectIdKey(projectId), func() ([]byte, error) {
		m := dao.Q.ProjectAd
		data, err := m.WithContext(c.ctx).Where(m.ProjectID.Eq(projectId)).Take()
		if err = dbcheck.DbError(err); err != nil {
			return nil, err
		}

		return jsonm.MarshalCkZero(data)
	})
	if err != nil {
		return nil, err
	}

	var ads *model.ProjectAd
	err = jsonm.Unmarshal(data, &ads)

	return ads, err
}

func (c ProjectAd) projectIdKey(projectId int64) string {
	return fmt.Sprintf("%s:%d", c.Prefix(), projectId)
}

// Clear 清理缓存
func (c ProjectAd) Clear(list ...*model.ProjectAd) error {
	var key []string
	for _, v := range list {
		key = append(key, c.projectIdKey(v.ProjectID))
	}

	if len(key) > 0 {
		return app.Redis.Cache.Del(c.ctx, key...).Err()
	}

	return nil
}