Files
new-api/model/prefill_group.go
t0ng7u d951485431 feat: enhance soft-delete handling & boost pricing cache performance
Summary
-------
This commit unifies soft-delete behaviour across meta tables and
introduces an in-memory cache for model pricing look-ups to improve
throughput under high concurrency.

Details
-------
Soft-delete consistency
• PrefillGroup / Vendor / Model
  – Added `gorm.DeletedAt` field with `json:"-" gorm:"index"`.
  – Replaced plain `uniqueIndex` with partial unique indexes
    `uniqueIndex:<name>,where:deleted_at IS NULL`
    allowing duplicate keys after logical deletion while preserving
    uniqueness for active rows.
• Imports updated to include `gorm.io/gorm`.
• JSON output now hides `deleted_at`, matching existing tables.

High-throughput pricing cache
• model/pricing.go
  – Added thread-safe maps `modelEnableGroups` & `modelQuotaTypeMap`
    plus RW-mutex for O(1) access.
  – `updatePricing()` now refreshes these maps alongside `pricingMap`.
• model/model_extra.go
  – Rewrote `GetModelEnableGroups` & `GetModelQuotaType` to read from
    the new maps, falling back to automatic refresh via `GetPricing()`.

Misc
• Retained `RefreshPricing()` helper for immediate cache invalidation
  after admin actions.
• All modified files pass linter; no breaking DB migrations required
  (handled by AutoMigrate).

Result
------
– Soft-delete logic is transparent, safe, and allows record “revival”.
– Pricing-related queries are now constant-time, reducing CPU usage and
  latency under load.
2025-08-05 22:26:19 +08:00

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package model
import (
"one-api/common"
"gorm.io/datatypes"
"gorm.io/gorm"
)
// PrefillGroup 用于存储可复用的“组”信息,例如模型组、标签组、端点组等。
// Name 字段保持唯一,用于在前端下拉框中展示。
// Type 字段用于区分组的类别可选值如model、tag、endpoint。
// Items 字段使用 JSON 数组保存对应类型的字符串集合,示例:
// ["gpt-4o", "gpt-3.5-turbo"]
// 设计遵循 3NF避免冗余提供灵活扩展能力。
type PrefillGroup struct {
Id int `json:"id"`
Name string `json:"name" gorm:"size:64;not null;uniqueIndex:uk_prefill_name,where:deleted_at IS NULL"`
Type string `json:"type" gorm:"size:32;index;not null"`
Items datatypes.JSON `json:"items" gorm:"type:json"`
Description string `json:"description,omitempty" gorm:"type:varchar(255)"`
CreatedTime int64 `json:"created_time" gorm:"bigint"`
UpdatedTime int64 `json:"updated_time" gorm:"bigint"`
DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
}
// Insert 新建组
func (g *PrefillGroup) Insert() error {
now := common.GetTimestamp()
g.CreatedTime = now
g.UpdatedTime = now
return DB.Create(g).Error
}
// Update 更新组
func (g *PrefillGroup) Update() error {
g.UpdatedTime = common.GetTimestamp()
return DB.Save(g).Error
}
// DeleteByID 根据 ID 删除组
func DeletePrefillGroupByID(id int) error {
return DB.Delete(&PrefillGroup{}, id).Error
}
// GetAllPrefillGroups 获取全部组,可按类型过滤(为空则返回全部)
func GetAllPrefillGroups(groupType string) ([]*PrefillGroup, error) {
var groups []*PrefillGroup
query := DB.Model(&PrefillGroup{})
if groupType != "" {
query = query.Where("type = ?", groupType)
}
if err := query.Order("updated_time DESC").Find(&groups).Error; err != nil {
return nil, err
}
return groups, nil
}