整体平台上传功能大改造
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@@ -1,25 +1,81 @@
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package models
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import "time"
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// SystemFile 附件表 yz_system_files
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type SystemFile struct {
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ID uint64 `orm:"column(id);pk;auto" json:"id"`
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Tid uint64 `orm:"column(tid)" json:"tid"`
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Uid *uint64 `orm:"column(uid);null" json:"uid"`
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Tuid *uint64 `orm:"column(tuid);null" json:"tuid"`
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Name string `orm:"column(name);size(255)" json:"name"`
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Type uint8 `orm:"column(type);default(2)" json:"type"`
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Cate uint64 `orm:"column(cate);default(0)" json:"cate"`
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Size uint64 `orm:"column(size);default(0)" json:"size"`
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Src string `orm:"column(src);size(512)" json:"src"`
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Uploader uint64 `orm:"column(uploader);default(0)" json:"uploader"`
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Md5 string `orm:"column(md5);size(32)" json:"md5"`
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CreateTime time.Time `orm:"column(create_time);type(datetime);auto_now_add" json:"create_time"`
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UpdateTime *time.Time `orm:"column(update_time);type(datetime);null;auto_now" json:"update_time"`
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DeleteTime *time.Time `orm:"column(delete_time);type(datetime);null" json:"delete_time"`
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}
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func (m *SystemFile) TableName() string {
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return "yz_system_files"
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}
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package models
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import (
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"sync"
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"time"
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)
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// SystemFile 附件表 yz_system_files
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//
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// 归属语义(2026-09-09 文件存储分层改造后明确):
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// - tid : 租户 ID
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// - uid : 上传者 ID
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// - tuid : 归属用户 ID(scope=user 时必填;scope=tenant 时为 NULL)
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// - source: 来源端 backend / platform
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// - scope : tenant-租户共享 / user-用户个人
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// - object_key: 存储相对路径,不含域名,如 backend/234573/67091493/2026/09/09/xxx.png
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type SystemFile struct {
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ID uint64 `orm:"column(id);pk;auto" json:"id"`
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Tid uint64 `orm:"column(tid)" json:"tid"`
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Uid *uint64 `orm:"column(uid);null" json:"uid"`
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Tuid *uint64 `orm:"column(tuid);null" json:"tuid"`
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Name string `orm:"column(name);size(255)" json:"name"`
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Type uint8 `orm:"column(type);default(2)" json:"type"`
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Cate uint64 `orm:"column(cate);default(0)" json:"cate"`
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Size uint64 `orm:"column(size);default(0)" json:"size"`
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Src string `orm:"column(src);size(512)" json:"src"`
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Uploader uint64 `orm:"column(uploader);default(0)" json:"uploader"`
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Md5 string `orm:"column(md5);size(32)" json:"md5"`
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Source string `orm:"column(source);size(16);default(backend)" json:"source"`
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Scope string `orm:"column(scope);size(16);default(tenant)" json:"scope"`
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Storage string `orm:"column(storage);size(16);default()" json:"storage"`
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ObjectKey string `orm:"column(object_key);size(512);default()" json:"object_key"`
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CreateTime time.Time `orm:"column(create_time);type(datetime);auto_now_add" json:"create_time"`
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UpdateTime *time.Time `orm:"column(update_time);type(datetime);null;auto_now" json:"update_time"`
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DeleteTime *time.Time `orm:"column(delete_time);type(datetime);null" json:"delete_time"`
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}
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func (m *SystemFile) TableName() string {
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return "yz_system_files"
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}
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// 归属与存储字段的取值常量
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const (
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FileSourceBackend = "backend" // 租户后台端
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FileSourcePlatform = "platform" // 平台端
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FileScopeTenant = "tenant" // 租户共享文件
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FileScopeUser = "user" // 用户个人文件
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)
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var systemFileStorageColumnsOnce sync.Once
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// EnsureSystemFileStorageColumns 为附件表补齐文件存储分层改造所需字段。
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// 历史库可能早于该特性建表,字段/索引已存在时 MySQL 报 duplicate,统一忽略,不阻断主流程。
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// 写入 yz_system_files 之前必须调用,否则 INSERT 会因 Unknown column 失败。
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func EnsureSystemFileStorageColumns() {
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if Orm == nil {
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return
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}
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systemFileStorageColumnsOnce.Do(func() {
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alters := []string{
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"ALTER TABLE yz_system_files ADD COLUMN source varchar(16) NOT NULL DEFAULT 'backend' COMMENT '来源端: backend-租户后台 platform-平台端'",
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"ALTER TABLE yz_system_files ADD COLUMN scope varchar(16) NOT NULL DEFAULT 'tenant' COMMENT '归属: tenant-租户共享 user-用户个人'",
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"ALTER TABLE yz_system_files ADD COLUMN storage varchar(16) NOT NULL DEFAULT '' COMMENT '存储类型: local/qiniu'",
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"ALTER TABLE yz_system_files ADD COLUMN object_key varchar(512) NOT NULL DEFAULT '' COMMENT '存储相对路径(不含域名)'",
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}
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for _, sql := range alters {
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_, _ = Orm.Raw(sql).Exec()
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}
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// 索引:MD5 精确去重 + 归属列表过滤
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// md5 在部分历史库中是 TEXT 类型,MySQL 不允许对 TEXT/BLOB 建整列索引,
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// 故使用前缀长度 md5(32)(MD5 十六进制串固定 32 字符)。
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indexes := []string{
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"ALTER TABLE yz_system_files ADD KEY idx_file_dedup (source, scope, tid, tuid, md5(32))",
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"ALTER TABLE yz_system_files ADD KEY idx_file_owner (source, tid, scope, tuid, delete_time)",
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}
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for _, sql := range indexes {
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_, _ = Orm.Raw(sql).Exec()
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}
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})
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}
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