fix: 消除游戏下拉重复请求并优化申请范围查询

internal/data/business/approved_games.go

@@ -19,10 +19,18 @@ func approvedGamesAvailable(db *gorm.DB) (bool, error) {
 // 用平台和 ID 配对，避免同号游戏或其他商务的申请扩大可选范围。
 func approvedGamesQuery(db *gorm.DB, viewer business.UserScope, sources []string) *gorm.DB {
 	promotes := ledgerBasePromotes(db, business.LedgerScope{Viewer: viewer, IncludeSub: true, Unrestricted: viewer.All}, business.LedgerFilter{Sources: sources}, "approved_p").Select("approved_p.source_db,approved_p.id")
-	applications := db.Table("tab_promote_apply a").Select("a.source_db,a.game_id").Where("a.status=1").Where("(a.source_db,a.promote_id) IN (?)", promotes)
-	q := db.Table("tab_game g").Where("(g.source_db,g.id) IN (?)", applications)
+	// 逐个游戏检查有效申请，命中即停止；非相关 IN 在 MySQL 5.7 会先
+	// 物化整张百万级申请表，即使下拉只需要前 50 项也要扫描全部申请。
+	applications := db.Table("tab_promote_apply a").Select("1").Where("a.source_db=g.source_db AND a.game_id=g.id AND a.status=1").Where("(a.source_db,a.promote_id) IN (?)", promotes)
+	q := db.Table("tab_game g").Where("EXISTS (?)", applications)
 	if len(sources) > 0 {
 		q = q.Where("g.source_db IN ?", sources)
 	}
 	return q
 }
+
+func migrateApprovedGameIndexes(db *gorm.DB) error {
+	return migrateQueryIndexes(db, []businessQueryIndex{
+		{"tab_promote_apply", "idx_sw_apply_game_scope", []string{"game_id", "source_db", "status", "promote_id"}},
+	})
+}

internal/data/business/migrations.go

@@ -6,7 +6,7 @@ import (
 )
 
 func Migrations() []migration.Step {
-	return []migration.Step{{ID: "202611040014_business_report_build_indexes", Migrate: migrateReportBuildQueryIndexes}, {ID: "202611040013_business_query_indexes", Migrate: migrateBusinessQueryIndexes}, {ID: "202611040012_business_server_report_index", Migrate: migrateServerReportIndex}, {ID: "202611040011_business_registration_index", Migrate: migrateRegistrationIndex}, {ID: "202611040010_business_alert_trigger_locks", Migrate: func(db *gorm.DB) error { return migration.CreateMissingTables(db, &alertTriggerLockPO{}) }}, {ID: "202611040009_business_menu_icons", Migrate: migrateBusinessMenuIcons}, {ID: "202611040008_business_report_build_locks", Migrate: func(db *gorm.DB) error { return migration.CreateMissingTables(db, &reportBuildLockPO{}) }}, {ID: "202611030007_business_alert_attachments", Migrate: migrateAlertAttachments}, {ID: "202611030006_business_alert_schema", Migrate: migrateAlertSchema}, {ID: "202611030005_business_password_reset", Migrate: func(db *gorm.DB) error {
+	return []migration.Step{{ID: "202611040015_business_approved_game_index", Migrate: migrateApprovedGameIndexes}, {ID: "202611040014_business_report_build_indexes", Migrate: migrateReportBuildQueryIndexes}, {ID: "202611040013_business_query_indexes", Migrate: migrateBusinessQueryIndexes}, {ID: "202611040012_business_server_report_index", Migrate: migrateServerReportIndex}, {ID: "202611040011_business_registration_index", Migrate: migrateRegistrationIndex}, {ID: "202611040010_business_alert_trigger_locks", Migrate: func(db *gorm.DB) error { return migration.CreateMissingTables(db, &alertTriggerLockPO{}) }}, {ID: "202611040009_business_menu_icons", Migrate: migrateBusinessMenuIcons}, {ID: "202611040008_business_report_build_locks", Migrate: func(db *gorm.DB) error { return migration.CreateMissingTables(db, &reportBuildLockPO{}) }}, {ID: "202611030007_business_alert_attachments", Migrate: migrateAlertAttachments}, {ID: "202611030006_business_alert_schema", Migrate: migrateAlertSchema}, {ID: "202611030005_business_password_reset", Migrate: func(db *gorm.DB) error {
 		return migration.CreateMissingTables(db, &resetCodePO{}, &resetTokenPO{})
 	}}, {ID: "202611030004_business_binding_locks", Migrate: func(db *gorm.DB) error {
 		return migration.CreateMissingTables(db, &bindingLockPO{})

internal/data/business/query_indexes_test.go

@@ -1,12 +1,49 @@
 package business
 
 import (
+	"context"
 	"strings"
 	"testing"
 
 	"kra/internal/biz/business"
 )
 
+func TestMySQLApprovedGameIndexSupportsExistenceLookup(t *testing.T) {
+	db := openRehearsalMySQL(t)
+	for _, sql := range []string{
+		"CREATE TABLE tab_game(id INT,source_db VARCHAR(10),game_name VARCHAR(64),PRIMARY KEY(id,source_db),KEY(game_name)) ENGINE=InnoDB",
+		"CREATE TABLE tab_promote(id INT,source_db VARCHAR(10),PRIMARY KEY(id,source_db)) ENGINE=InnoDB",
+		"CREATE TABLE tab_promote_apply(id INT PRIMARY KEY,source_db VARCHAR(10),game_id INT,promote_id INT,status INT,payload VARCHAR(500)) ENGINE=InnoDB",
+		"INSERT INTO tab_game VALUES(1,'lx','游戏甲'),(1,'hw','无申请同号游戏')",
+		"INSERT INTO tab_promote VALUES(100,'lx')",
+		"INSERT INTO tab_promote_apply VALUES(1,'lx',1,100,1,'keep'),(2,'lx',1,100,0,'pending')",
+	} {
+		if err := db.Exec(sql).Error; err != nil {
+			t.Fatal(err)
+		}
+	}
+	for attempt := 0; attempt < 2; attempt++ {
+		if err := migrateApprovedGameIndexes(db); err != nil {
+			t.Fatal(err)
+		}
+	}
+	var columns []string
+	if err := db.Raw("SELECT column_name FROM information_schema.statistics WHERE table_schema=DATABASE() AND table_name='tab_promote_apply' AND index_name='idx_sw_apply_game_scope' ORDER BY seq_in_index").Scan(&columns).Error; err != nil {
+		t.Fatal(err)
+	}
+	if strings.Join(columns, ",") != "game_id,source_db,status,promote_id" {
+		t.Fatal("申请查询需要覆盖完整游戏、平台、状态和渠道条件")
+	}
+	rows, err := NewLedgerRepo(testData{db}).Games(context.Background(), business.UserScope{All: true}, nil, "", 50)
+	if err != nil || len(rows) != 1 || rows[0].SourceDB != "lx" {
+		t.Fatalf("索引不能改变游戏可见范围: %+v %v", rows, err)
+	}
+	var payload string
+	if err := db.Raw("SELECT payload FROM tab_promote_apply WHERE id=1").Scan(&payload).Error; err != nil || payload != "keep" {
+		t.Fatal("索引迁移不能修改申请数据")
+	}
+}
+
 func TestMySQLBusinessQueryIndexesAreAdditiveAndIdempotent(t *testing.T) {
 	db := openRehearsalMySQL(t)
 	definitions := map[string]string{

web/src/view/sw/components/LedgerDetails.vue

@@ -8,7 +8,7 @@
         <el-form-item v-if="spend" label="角色名"><el-input v-model="query.gamePlayerName" clearable placeholder="角色名" /></el-form-item>
         <el-form-item label="渠道名称"><el-input v-model="query.promoteAccount" clearable placeholder="渠道名称或账号（模糊匹配）" /></el-form-item>
         <el-form-item v-if="spend" label="订单号"><el-input v-model="query.payOrderNumber" clearable placeholder="订单号" /></el-form-item>
-        <el-form-item label="游戏"><el-select v-model="gameNames" multiple collapse-tags clearable filterable remote reserve-keyword :remote-method="loadGames" :loading="gamesLoading" :disabled="!sources.length" placeholder="全部游戏" style="width: 200px" @visible-change="open => open && loadGames('')"><el-option v-for="name in gameOptions" :key="name" :label="name" :value="name" /></el-select></el-form-item>
+        <el-form-item label="游戏"><el-select v-model="gameNames" multiple collapse-tags clearable filterable remote reserve-keyword :remote-method="loadGames" :loading="gamesLoading" :disabled="!sources.length" placeholder="全部游戏" style="width: 200px"><el-option v-for="name in gameOptions" :key="name" :label="name" :value="name" /></el-select></el-form-item>
         <el-form-item v-if="spend" label="方式"><el-select v-model="query.payWay" clearable placeholder="全部方式" style="width: 140px"><el-option v-for="(label, value) in payWays" :key="value" :label="label" :value="Number(value)" /></el-select></el-form-item>
         <el-form-item v-if="spend" label="状态"><el-select v-model="query.payStatus" clearable placeholder="全部状态" style="width: 140px"><el-option v-for="(label, value) in statuses" :key="value" :label="label" :value="Number(value)" /></el-select></el-form-item>
         <el-form-item label="日期"><el-date-picker v-model="dates" type="daterange" value-format="YYYY-MM-DD" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" :clearable="false" :shortcuts="shortcuts" style="width: 300px" /></el-form-item>
@@ -50,7 +50,9 @@ import { useUserStore } from '@/pinia/modules/user'
 import { useBtnAuth } from '@/utils/btnAuth'
 import { listLedger, exportLedger, listLedgerGames } from '@/api/ledger'
 import { channelMoney } from '../channel-display'
+import { createGameOptionsLoader } from '../game-options-loader'
 import { compareAmounts } from '../table-display'
+const fetchGameOptions = createGameOptionsLoader(listLedgerGames)
 const props = defineProps({ kind: { type: String, required: true } })
 const spend = computed(() => props.kind === 'spend')
 const user = useUserStore(), buttons = useBtnAuth()
@@ -100,7 +102,7 @@ const loadGames = async (keyword = '') => {
   const version = ++gameVersion; if (!sources.value.length) return
   gamesLoading.value = true
   try {
-    const res = await listLedgerGames({ sourceDb: sources.value.join(','), keyword, limit: 50 })
+    const res = await fetchGameOptions({ sourceDb: sources.value.join(','), keyword, limit: 50 })
     if (version !== gameVersion) return
     if (res.code === 0) gameOptions.value = [...new Set([...gameNames.value, ...res.data.map(row => row.gameName).filter(Boolean)])]
     else { gameOptions.value = []; ElMessage.error(res.msg || '游戏选项读取失败') }

web/src/view/sw/components/ReportAnalytics.vue

@@ -7,7 +7,7 @@
       <el-form :model="query" :inline="true" @submit.prevent="search">
         <el-form-item label="所属平台"><el-select v-model="sources" multiple collapse-tags clearable placeholder="选择平台" style="width: 210px" @change="sourceChanged"><el-option v-for="(label, value) in platforms" :key="value" :label="label" :value="value" /></el-select></el-form-item>
         <el-form-item label="游戏">
-          <el-select v-if="isChannel" v-model="games" multiple collapse-tags clearable filterable remote reserve-keyword :remote-method="loadGames" :loading="gameLoading" :disabled="!sources.length" placeholder="全部游戏" style="width: 190px" @visible-change="open => open && loadGames('')"><el-option v-for="name in gameOptions" :key="name" :label="name" :value="name" /></el-select>
+          <el-select v-if="isChannel" v-model="games" multiple collapse-tags clearable filterable remote reserve-keyword :remote-method="loadGames" :loading="gameLoading" :disabled="!sources.length" placeholder="全部游戏" style="width: 190px"><el-option v-for="name in gameOptions" :key="name" :label="name" :value="name" /></el-select>
           <el-select v-else v-model="selectedGame" clearable filterable :loading="gameLoading" :disabled="!sources.length" placeholder="全部游戏" style="width: 190px" @change="gameChanged"><el-option label="全部游戏" value="" /><el-option v-for="name in gameOptions" :key="name" :label="name" :value="name" /></el-select>
         </el-form-item>
         <el-form-item v-if="isChannel" label="渠道类型"><el-select v-model="query.promoteType" clearable placeholder="全部渠道类型" style="width: 150px"><el-option label="公会" :value="1" /><el-option label="个人" :value="0" /></el-select></el-form-item>
@@ -39,8 +39,10 @@ import { ElMessage } from 'element-plus'
 import { listAnalytics } from '@/api/analytics'
 import { listLedgerGames } from '@/api/ledger'
 import { channelCount, channelMoney } from '../channel-display'
+import { createGameOptionsLoader } from '../game-options-loader'
 import { metricTips } from '../table-display'
 import { analysisGameSelection } from '../analysis-game-selection'
+const fetchGameOptions = createGameOptionsLoader(listLedgerGames)
 const props = defineProps({ kind: { type: String, required: true } })
 const isChannel = computed(() => props.kind === 'channel')
 const platforms = { lx: '龙翔', hw: '汇玩', yq: '游趣' }
@@ -87,7 +89,7 @@ const loadGames = async (keyword = '') => {
   const current = ++gameVersion; if (!sources.value.length) return
   gameLoading.value = true
   try {
-    const res = await listLedgerGames({ sourceDb: sources.value.join(','), keyword, limit: isChannel.value ? 50 : 10000 })
+    const res = await fetchGameOptions({ sourceDb: sources.value.join(','), keyword, limit: isChannel.value ? 50 : 10000 })
     if (current !== gameVersion) return
     if (res.code === 0) gameOptions.value = [...new Set(res.data.map(row => row.gameName).filter(Boolean))]
     else { gameOptions.value = []; ElMessage.error(res.msg || '游戏选项读取失败') }

web/src/view/sw/game-options-loader.js

@@ -0,0 +1,21 @@
+// One loader per page: share identical requests and briefly reuse successful
+// options when reopening the selector. Errors must remain retryable.
+export const createGameOptionsLoader = (fetchOptions, now = Date.now) => {
+  const pending = new Map(), cache = new Map()
+  return params => {
+    const key = JSON.stringify([params.sourceDb, params.keyword, params.limit])
+    const saved = cache.get(key)
+    if (saved && now() - saved.time < 30000) return Promise.resolve(saved.result)
+    if (pending.has(key)) return pending.get(key)
+    const request = Promise.resolve().then(() => fetchOptions(params)).then(result => {
+      if (result.code === 0) {
+        cache.delete(key)
+        cache.set(key, { result, time: now() })
+        if (cache.size > 20) cache.delete(cache.keys().next().value)
+      }
+      return result
+    }).finally(() => pending.delete(key))
+    pending.set(key, request)
+    return request
+  }
+}

web/src/view/sw/game-options-loader.test.js

@@ -0,0 +1,46 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { createGameOptionsLoader } from './game-options-loader.js'
+
+const params = { sourceDb: 'lx,hw,yq', keyword: '', limit: 50 }
+
+test('concurrent opening events share one request and reopening reuses the result briefly', async () => {
+  let finish, calls = 0, time = 0
+  const load = createGameOptionsLoader(() => { calls++; return new Promise(resolve => { finish = resolve }) }, () => time)
+  const requests = [load(params), load(params), load(params)]
+  await Promise.resolve()
+  assert.equal(calls, 1)
+  const result = { code: 0, data: [{ gameName: '游戏甲' }] }
+  finish(result)
+  assert.deepEqual(await Promise.all(requests), [result, result, result])
+  assert.equal(await load(params), result)
+  assert.equal(calls, 1)
+  time = 30001
+  const refreshed = load(params)
+  await Promise.resolve()
+  assert.equal(calls, 2)
+  finish(result)
+  await refreshed
+})
+
+test('platform, search text and limit use separate results', async () => {
+  let calls = 0
+  const load = createGameOptionsLoader(async query => { calls++; return { code: 0, data: [query] } })
+  await Promise.all([load(params), load({ ...params, sourceDb: 'lx' }), load({ ...params, keyword: '传奇' }), load({ ...params, limit: 10000 })])
+  assert.equal(calls, 4)
+  assert.deepEqual((await load(params)).data, [params])
+  assert.equal(calls, 4)
+})
+
+test('network and API failures can be retried immediately', async () => {
+  let calls = 0
+  const load = createGameOptionsLoader(async () => {
+    calls++
+    if (calls === 1) throw new Error('network unavailable')
+    return { code: calls === 2 ? 7 : 0, data: [] }
+  })
+  await assert.rejects(load(params), /network unavailable/)
+  assert.equal((await load(params)).code, 7)
+  assert.equal((await load(params)).code, 0)
+  assert.equal(calls, 3)
+})