180 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			180 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package models
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import (
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	"time"
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	"github.com/beego/beego/v2/client/orm"
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)
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// FileInfo 文件信息模型
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// 对应 yz_files 表结构
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type FileInfo struct {
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	ID           int64     `orm:"column(id);auto" json:"id"`
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	TenantID     string    `orm:"column(tenant_id);size(64)" json:"tenant_id"`
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	// 用户关联信息(通过JWT认证获取)
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	UserID       int       `orm:"column(user_id);default(0)" json:"user_id"`
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	// 文件基础信息
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	FileName     string    `orm:"column(file_name);size(255)" json:"file_name"`
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	OriginalName string    `orm:"column(original_name);size(255)" json:"original_name"`
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	FilePath     string    `orm:"column(file_path);size(500)" json:"file_path"`
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	FileURL      string    `orm:"column(file_url);size(500);null" json:"file_url"`
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	FileSize     int64     `orm:"column(file_size);default(0)" json:"file_size"`
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	FileType     string    `orm:"column(file_type);size(50)" json:"file_type"`
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	FileExt      string    `orm:"column(file_ext);size(20)" json:"file_ext"`
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	// 分类信息
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	Category     string    `orm:"column(category);size(100)" json:"category"`
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	SubCategory  string    `orm:"column(sub_category);size(100);null" json:"sub_category"`
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	// 状态信息
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	Status       int8      `orm:"column(status);default(1)" json:"status"`
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	IsPublic     int8      `orm:"column(is_public);default(0)" json:"is_public"`
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	// 上传信息
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	UploadBy     string    `orm:"column(upload_by);size(100)" json:"upload_by"`
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	UploadTime   time.Time `orm:"column(upload_time);type(datetime);auto_now_add" json:"upload_time"`
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	// 关联的用户信息(非数据库字段)
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	User         *User     `orm:"-" json:"user,omitempty"`
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}
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// TableName 设置表名
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func (f *FileInfo) TableName() string {
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	return "yz_files"
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}
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// GetAllFiles 获取所有文件信息
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func GetAllFiles() ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	_, err := o.QueryTable("yz_files").Filter("status", 1).OrderBy("-upload_time").All(&files)
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	return files, err
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}
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// GetFilesByUserID 根据用户ID获取文件列表
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func GetFilesByUserID(userID int) ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	_, err := o.QueryTable("yz_files").Filter("user_id", userID).Filter("status", 1).OrderBy("-upload_time").All(&files)
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	return files, err
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}
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// GetFileById 根据ID获取文件信息
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func GetFileById(id int64) (*FileInfo, error) {
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	o := orm.NewOrm()
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	file := &FileInfo{ID: id}
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	err := o.Read(file, "ID")
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	if err == orm.ErrNoRows {
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		return nil, err
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	}
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	return file, nil
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}
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// GetFilesByTenant 根据租户ID获取文件信息
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func GetFilesByTenant(tenantID string) ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	_, err := o.QueryTable("yz_files").Filter("tenant_id", tenantID).OrderBy("-upload_time").All(&files)
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	return files, err
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}
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// GetFilesByCategory 根据分类获取文件信息
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func GetFilesByCategory(category string) ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	_, err := o.QueryTable("yz_files").Filter("category", category).OrderBy("-upload_time").All(&files)
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	return files, err
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}
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// GetFilesByStatus 根据状态获取文件信息
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func GetFilesByStatus(status int8) ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	_, err := o.QueryTable("yz_files").Filter("status", status).OrderBy("-upload_time").All(&files)
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	return files, err
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}
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// AddFile 添加新文件信息
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func AddFile(file *FileInfo) (int64, error) {
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	o := orm.NewOrm()
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	id, err := o.Insert(file)
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	return id, err
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}
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// UpdateFile 更新文件信息
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func UpdateFile(file *FileInfo) error {
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	o := orm.NewOrm()
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	_, err := o.Update(file)
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	return err
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}
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// DeleteFile 删除文件信息(软删除,设置状态为0)
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func DeleteFile(id int64) error {
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	o := orm.NewOrm()
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	file := &FileInfo{ID: id}
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	if err := o.Read(file, "ID"); err != nil {
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		return err
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	}
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	file.Status = 0
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	_, err := o.Update(file, "Status")
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	return err
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}
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// HardDeleteFile 硬删除文件信息
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func HardDeleteFile(id int64) error {
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	o := orm.NewOrm()
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	_, err := o.Delete(&FileInfo{ID: id})
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	return err
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}
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// GetFileStatistics 获取文件统计信息
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func GetFileStatistics(tenantID string) (map[string]interface{}, error) {
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	o := orm.NewOrm()
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	// 总文件数
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	totalCount, err := o.QueryTable("yz_files").Filter("tenant_id", tenantID).Filter("status", 1).Count()
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	if err != nil {
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		return nil, err
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	}
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	// 总文件大小
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	var totalSize int64
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	err = o.Raw("SELECT COALESCE(SUM(file_size), 0) FROM yz_files WHERE tenant_id = ? AND status = 1", tenantID).QueryRow(&totalSize)
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	if err != nil {
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		return nil, err
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	}
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	// 按分类统计
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	var categoryStats []orm.Params
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	_, err = o.Raw("SELECT category, COUNT(*) as count, COALESCE(SUM(file_size), 0) as size FROM yz_files WHERE tenant_id = ? AND status = 1 GROUP BY category", tenantID).Values(&categoryStats)
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	if err != nil {
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		return nil, err
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	}
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	return map[string]interface{}{
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		"total_count": totalCount,
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		"total_size":  totalSize,
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		"category_stats": categoryStats,
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	}, nil
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}
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// SearchFiles 搜索文件
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func SearchFiles(keyword string, tenantID string) ([]*FileInfo, error) {
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	o := orm.NewOrm()
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	var files []*FileInfo
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	// 构建查询条件
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	qs := o.QueryTable("yz_files").Filter("tenant_id", tenantID).Filter("status", 1)
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	// 搜索文件名、原始文件名、分类(使用or条件)
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	cond := orm.NewCondition()
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	cond = cond.Or("file_name__icontains", keyword).
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		Or("original_name__icontains", keyword).
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		Or("category__icontains", keyword)
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	qs = qs.SetCond(cond)
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	_, err := qs.OrderBy("-upload_time").All(&files)
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	return files, err
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} |