2026-09-14 16:31:08 +08:00
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package schema
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import (
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"time"
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"entgo.io/ent"
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"entgo.io/ent/dialect/entsql"
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"entgo.io/ent/schema"
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"entgo.io/ent/schema/field"
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"entgo.io/ent/schema/index"
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)
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2026-09-19 10:54:15 +08:00
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// Attachment 业务附件：图纸 / 照片 / 文档等，按 bizType+bizId 关联业务单据。
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// 存储落地约定（2026-09-19 统一方案）：<Upload.Dir>/年/月/日/<文件类型大写枚举>/<uuid>.<ext>，
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// 库内 filePath 只存相对路径（如 2026/09/19/INSPECTION_PHOTO/xxx.jpg），不存绝对路径。
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2026-09-14 16:31:08 +08:00
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type Attachment struct {
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ent.Schema
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}
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func (Attachment) Annotations() []schema.Annotation {
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return []schema.Annotation{entsql.Annotation{Table: "attachment"}}
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}
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func (Attachment) Fields() []ent.Field {
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return []ent.Field{
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field.Int("id").Positive(),
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field.String("bizType").MaxLen(40).Comment("业务类型 work_order/material/process_flow/inspection"),
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field.String("bizId").MaxLen(64).Comment("业务ID"),
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field.String("fileName").MaxLen(255).Comment("原始文件名"),
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field.String("filePath").MaxLen(255).Comment("上传目录相对路径"),
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field.Int("fileSize").Default(0).Comment("字节数"),
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field.String("uploader").Default("").MaxLen(64).Comment("上传人"),
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field.Time("createdAt").Default(time.Now).Immutable(),
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2026-09-19 10:54:15 +08:00
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// 文件类型（大写枚举）：决定存储目录分层，与 bizType（业务对象）正交
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field.String("fileType").Default("OTHER").MaxLen(32).Comment("文件类型 大写枚举 PROCESS_PDF/INSPECTION_PHOTO/..."),
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field.String("fileExt").Default("").MaxLen(16).Comment("扩展名(小写，不含点)"),
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field.String("fileMd5").Default("").MaxLen(64).Comment("文件MD5(秒传/去重)"),
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field.String("mimeType").Default("").MaxLen(128).Comment("MIME类型"),
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// 归档 / 逻辑删除：物理文件由归档任务统一处理，库内保留索引可追溯
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field.Bool("archived").Default(false).Comment("是否已归档"),
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field.Int64("archivedAt").Default(0).Comment("归档时间(unix秒)"),
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field.Bool("deleted").Default(false).Comment("逻辑删除"),
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field.Int64("deletedAt").Default(0).Comment("删除时间(unix秒)"),
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field.String("deletedBy").Default("").MaxLen(64).Comment("删除人"),
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2026-09-14 16:31:08 +08:00
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}
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}
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func (Attachment) Indexes() []ent.Index {
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return []ent.Index{
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index.Fields("bizType", "bizId"),
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index.Fields("createdAt"),
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2026-09-19 10:54:15 +08:00
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index.Fields("fileType"),
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index.Fields("fileMd5"),
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2026-09-14 16:31:08 +08:00
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}
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}
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