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83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
package schema
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import (
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"fmt"
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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/edge"
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"entgo.io/ent/schema/field"
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"entgo.io/ent/schema/index"
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"github.com/google/uuid"
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)
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// WorkspaceFile holds the schema definition for the WorkspaceFile entity.
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type WorkspaceFile struct {
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ent.Schema
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}
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func (WorkspaceFile) Annotations() []schema.Annotation {
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return []schema.Annotation{
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entsql.Annotation{
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Table: "workspace_files",
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},
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}
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}
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// Fields of the WorkspaceFile.
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func (WorkspaceFile) Fields() []ent.Field {
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return []ent.Field{
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field.UUID("id", uuid.UUID{}),
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field.UUID("user_id", uuid.UUID{}).Comment("关联的用户ID"),
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field.UUID("workspace_id", uuid.UUID{}).Comment("关联的工作区ID"),
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field.Text("path").Validate(func(s string) error {
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if s == "" {
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return fmt.Errorf("path cannot be empty")
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}
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return nil
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}).Comment("文件在工作区中的相对路径"),
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field.Text("content").Optional().Comment("文件内容"),
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field.String("hash").Validate(func(s string) error {
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if len(s) != 64 {
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return fmt.Errorf("invalid SHA-256 hash length: expected 64, got %d", len(s))
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}
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return nil
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}).Comment("文件内容的 SHA-256 哈希值"),
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field.String("language").Optional().Comment("代码语言类型，如 go, typescript, python"),
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field.Int64("size").Default(0).Comment("文件大小（字节）"),
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field.Time("created_at").Default(time.Now).Immutable().Comment("创建时间"),
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field.Time("updated_at").Default(time.Now).UpdateDefault(time.Now).Comment("更新时间"),
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}
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}
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// Edges of the WorkspaceFile.
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func (WorkspaceFile) Edges() []ent.Edge {
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return []ent.Edge{
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edge.From("owner", User.Type).Ref("workspace_files").Field("user_id").Unique().Required(),
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edge.From("workspace", Workspace.Type).Ref("files").Field("workspace_id").Unique().Required(),
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edge.To("snippets", CodeSnippet.Type),
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}
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}
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// Indexes of the WorkspaceFile.
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func (WorkspaceFile) Indexes() []ent.Index {
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return []ent.Index{
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// 用户ID + 工作区ID + 路径的复合索引
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index.Fields("user_id", "workspace_id", "path").Unique(),
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// hash 索引，用于去重和快速查找
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index.Fields("hash"),
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// 工作区ID + hash 索引，防止同一工作区重复存储相同内容
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index.Fields("workspace_id", "hash"),
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// 语言类型索引
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index.Fields("language"),
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// 更新时间索引
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index.Fields("updated_at"),
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// 文件大小索引，便于统计和限制
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index.Fields("size"),
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// 工作区ID 索引（用于查询工作区下的所有文件）
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index.Fields("workspace_id"),
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}
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}
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