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package model
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import (
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"encoding/json"
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"github.com/jinzhu/gorm"
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)
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// Group 用户组模型
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type Group struct {
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gorm.Model
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Name string
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Policies string
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MaxStorage uint64
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ShareEnabled bool
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WebDAVEnabled bool
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SpeedLimit int
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Options string `json:"-" gorm:"size:4294967295"`
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// 数据库忽略字段
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PolicyList []uint `gorm:"-"`
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OptionsSerialized GroupOption `gorm:"-"`
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}
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// GroupOption 用户组其他配置
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type GroupOption struct {
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ArchiveDownload bool `json:"archive_download,omitempty"` // 打包下载
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ArchiveTask bool `json:"archive_task,omitempty"` // 在线压缩
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CompressSize uint64 `json:"compress_size,omitempty"` // 可压缩大小
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DecompressSize uint64 `json:"decompress_size,omitempty"`
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OneTimeDownload bool `json:"one_time_download,omitempty"`
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ShareDownload bool `json:"share_download,omitempty"`
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Aria2 bool `json:"aria2,omitempty"` // 离线下载
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Aria2Options map[string]interface{} `json:"aria2_options,omitempty"` // 离线下载用户组配置
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SourceBatchSize int `json:"source_batch,omitempty"`
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RedirectedSource bool `json:"redirected_source,omitempty"`
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Aria2BatchSize int `json:"aria2_batch,omitempty"`
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}
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// GetGroupByID 用ID获取用户组
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func GetGroupByID(ID interface{}) (Group, error) {
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var group Group
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result := DB.First(&group, ID)
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return group, result.Error
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}
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// AfterFind 找到用户组后的钩子，处理Policy列表
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func (group *Group) AfterFind() (err error) {
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// 解析用户组策略列表
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if group.Policies != "" {
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err = json.Unmarshal([]byte(group.Policies), &group.PolicyList)
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}
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if err != nil {
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return err
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}
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// 解析用户组设置
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if group.Options != "" {
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err = json.Unmarshal([]byte(group.Options), &group.OptionsSerialized)
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}
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return err
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}
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// BeforeSave Save用户前的钩子
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func (group *Group) BeforeSave() (err error) {
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err = group.SerializePolicyList()
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return err
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}
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// SerializePolicyList 将序列后的可选策略列表、配置写入数据库字段
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// TODO 完善测试
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func (group *Group) SerializePolicyList() (err error) {
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policies, err := json.Marshal(&group.PolicyList)
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group.Policies = string(policies)
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if err != nil {
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return err
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}
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optionsValue, err := json.Marshal(&group.OptionsSerialized)
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group.Options = string(optionsValue)
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return err
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}
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