115 lines
3.2 KiB
Go
115 lines
3.2 KiB
Go
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package schema
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import (
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"fmt"
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"entgo.io/ent"
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"entgo.io/ent/dialect"
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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/Wei-Shaw/sub2api/ent/schema/mixins"
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)
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// UserPlatformQuota holds the schema definition for per-user per-platform quota.
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type UserPlatformQuota struct {
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ent.Schema
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}
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func (UserPlatformQuota) Annotations() []schema.Annotation {
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return []schema.Annotation{
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entsql.Annotation{Table: "user_platform_quotas"},
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}
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}
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func (UserPlatformQuota) Mixin() []ent.Mixin {
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return []ent.Mixin{
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mixins.TimeMixin{},
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mixins.SoftDeleteMixin{},
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}
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}
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func (UserPlatformQuota) Fields() []ent.Field {
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return []ent.Field{
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field.Int64("user_id"),
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field.String("platform").
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MaxLen(32).
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NotEmpty().
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Validate(func(s string) error {
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// 注意：平台列表的单一权威源为 service.AllowedQuotaPlatforms；
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// 此处为 ent 构建期约束，需与 service.AllowedQuotaPlatforms 保持同步。
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switch s {
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case "anthropic", "openai", "gemini", "antigravity", "grok",
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"kimi", "zhipu", "deepseek":
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return nil
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default:
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return fmt.Errorf("platform %q is not allowed", s)
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}
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}),
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// 日 / 周 / 月 USD 上限：
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// nil / not set → 无限额（完全放行）
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// 0 → 完全禁用（任何请求都会被拒绝，因为 usage >= 0 恒成立）
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// > 0 → USD 限额上限
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field.Float("daily_limit_usd").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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field.Float("weekly_limit_usd").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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field.Float("monthly_limit_usd").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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// 当前窗口已用量（USD，preflight 时与 limit 比较）
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field.Float("daily_usage_usd").
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Default(0).
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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field.Float("weekly_usage_usd").
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Default(0).
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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field.Float("monthly_usage_usd").
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Default(0).
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SchemaType(map[string]string{dialect.Postgres: "decimal(20,10)"}),
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// 窗口起点（NULL = 首次还未初始化，由 InitWindowStarts 用 COALESCE 兜底）
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field.Time("daily_window_start").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "timestamptz"}),
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field.Time("weekly_window_start").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "timestamptz"}),
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field.Time("monthly_window_start").
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Optional().
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Nillable().
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SchemaType(map[string]string{dialect.Postgres: "timestamptz"}),
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}
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}
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func (UserPlatformQuota) Edges() []ent.Edge {
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return []ent.Edge{
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edge.From("user", User.Type).
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Ref("platform_quotas").
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Field("user_id").
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Unique().
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Required(),
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}
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}
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func (UserPlatformQuota) Indexes() []ent.Index {
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return []ent.Index{
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// 软删除友好：只对未删记录唯一
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index.Fields("user_id", "platform").
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Unique().
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Annotations(entsql.IndexWhere("deleted_at IS NULL")),
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index.Fields("user_id"),
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}
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}
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