.gitignore

This commit is contained in:
2026-02-24 17:11:31 +08:00
parent 5d5bc2fa6e
commit 06007d5027
4 changed files with 0 additions and 459 deletions

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// =============================================================================
// Meilisearch 数据源连接管理
// 负责数据源的连接、重连、健康检查和优雅关闭
// =============================================================================
package meilisearch
import (
"context"
"fmt"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/glog"
"github.com/gogf/gf/v2/util/gconv"
ms "github.com/meilisearch/meilisearch-go"
)
// =============================================================================
// 数据源配置结构
// =============================================================================
type DataSourceConfig struct {
Name string `json:"name"`
Host string `json:"host"`
Port int `json:"port"`
APIKey string `json:"apiKey"`
Timeout time.Duration `json:"timeout"`
}
// =============================================================================
// 单个数据源接口
// =============================================================================
type DataSource interface {
Name() string
Client() interface{}
IsConnected() bool
Connect(ctx context.Context) error
Reconnect(ctx context.Context) error
Close(ctx context.Context) error
}
// =============================================================================
// 数据源实现
// =============================================================================
type BaseDataSource struct {
config *DataSourceConfig
client interface{}
isConnected bool
mu sync.RWMutex
lastError error
lastErrorTime time.Time
}
func NewBaseDataSource(config *DataSourceConfig) *BaseDataSource {
return &BaseDataSource{
config: config,
isConnected: false,
}
}
func (d *BaseDataSource) Name() string {
return d.config.Name
}
func (d *BaseDataSource) Client() interface{} {
d.mu.RLock()
defer d.mu.RUnlock()
return d.client
}
func (d *BaseDataSource) IsConnected() bool {
d.mu.RLock()
defer d.mu.RUnlock()
return d.isConnected && d.client != nil
}
func (d *BaseDataSource) Connect(ctx context.Context) error {
d.mu.Lock()
defer d.mu.Unlock()
// 构建客户端
d.client = ms.New(d.config.Host, ms.WithAPIKey(d.config.APIKey))
// 测试连接
if err := d.healthCheck(ctx); err != nil {
d.isConnected = false
d.lastError = err
d.lastErrorTime = time.Now()
return fmt.Errorf("datasource [%s] connection failed: %w", d.config.Name, err)
}
d.isConnected = true
d.lastError = nil
glog.Infof(ctx, "✅ datasource [%s] connected successfully", d.config.Name)
return nil
}
// healthCheck 健康检查
func (d *BaseDataSource) healthCheck(ctx context.Context) error {
if d.client == nil {
return fmt.Errorf("client is nil")
}
// 获取版本信息来测试连接
if c, ok := d.client.(interface{ GetVersion() (*ms.Version, error) }); ok {
status, err := c.GetVersion()
if err != nil {
return err
}
glog.Debugf(ctx, "Meilisearch version: %s", status.PkgVersion)
} else {
// 如果没有GetVersion方法尝试其他方法验证连接
if _, ok := d.client.(interface {
GetIndexes(interface{}) (interface{}, error)
}); ok {
return nil
}
}
return nil
}
func (d *BaseDataSource) Reconnect(ctx context.Context) error {
glog.Infof(ctx, "🔄 reconnecting datasource [%s]", d.config.Name)
return d.Connect(ctx)
}
func (d *BaseDataSource) Close(ctx context.Context) error {
d.mu.Lock()
defer d.mu.Unlock()
// Meilisearch 客户端不需要显式关闭,只重置状态
d.client = nil
d.isConnected = false
glog.Infof(ctx, "datasource [%s] closed", d.config.Name)
return nil
}
// =============================================================================
// 多数据源管理器
// =============================================================================
type DataSourceManager struct {
sources map[string]DataSource
mu sync.RWMutex
ctx context.Context
cancel context.CancelFunc
started bool
maxRetries int
}
var (
globalManager *DataSourceManager
managerOnce sync.Once
)
// GetManager 获取全局管理器
func GetManager() *DataSourceManager {
managerOnce.Do(func() {
ctx, cancel := context.WithCancel(context.Background())
globalManager = &DataSourceManager{
sources: make(map[string]DataSource),
ctx: ctx,
cancel: cancel,
started: false,
maxRetries: 3,
}
})
return globalManager
}
// RegisterDataSource 注册数据源
func (m *DataSourceManager) RegisterDataSource(config *DataSourceConfig) error {
m.mu.Lock()
defer m.mu.Unlock()
if _, exists := m.sources[config.Name]; exists {
return fmt.Errorf("datasource [%s] already exists", config.Name)
}
source := NewBaseDataSource(config)
m.sources[config.Name] = source
return nil
}
// GetDataSource 获取数据源
func (m *DataSourceManager) GetDataSource(name string) (DataSource, error) {
m.mu.RLock()
defer m.mu.RUnlock()
source, exists := m.sources[name]
if !exists {
return nil, fmt.Errorf("datasource [%s] not found", name)
}
return source, nil
}
// GetAllDataSourceNames 获取所有数据源名称
func (m *DataSourceManager) GetAllDataSourceNames() []string {
m.mu.RLock()
defer m.mu.RUnlock()
names := make([]string, 0, len(m.sources))
for name := range m.sources {
names = append(names, name)
}
return names
}
// init 初始化多数据源
func init() {
ctx := context.Background()
// 从配置初始化多数据源
if err := manager.InitializeFromConfig(ctx); err != nil {
glog.Errorf(ctx, "❌ Failed to initialize Meilisearch datasources: %v", err)
} else {
glog.Infof(ctx, "✅ Meilisearch datasources initialized: %v", manager.GetAllDataSourceNames())
}
// 启动健康检查
manager.StartHealthCheck()
// 设置优雅关闭
setupGracefulShutdown()
}
// InitializeFromConfig 从配置初始化数据源
// 动态读取 config.yml 中 meilisearch 下的所有配置项
func (m *DataSourceManager) InitializeFromConfig(ctx context.Context) error {
var firstErr error
// 获取 meilisearch 配置下的所有子键
meilisearchConfig := g.Cfg().MustGet(ctx, "meilisearch")
if meilisearchConfig.IsNil() {
glog.Warningf(ctx, "no meilisearch configuration found in config.yml")
return nil
}
// 将配置转换为 map
configMap := meilisearchConfig.Map()
if configMap == nil {
glog.Warningf(ctx, "meilisearch configuration is not a map")
return nil
}
// 遍历所有 meilisearch 子配置
for name, subConfig := range configMap {
// 跳过非对象类型的配置
subMap, ok := subConfig.(map[string]interface{})
if !ok {
continue
}
// 检查是否有 host 配置
host, hasHost := subMap["host"]
if !hasHost || gconv.String(host) == "" {
continue
}
// 构建数据源配置
config := &DataSourceConfig{
Name: name,
Host: gconv.String(host),
Port: int(gconv.Int(subMap["port"])),
APIKey: gconv.String(subMap["apiKey"]),
}
// 设置默认值
if config.Port == 0 {
config.Port = 7700
}
if config.Host == "" {
config.Host = "http://localhost"
}
// 可选:从配置读取超时时间
if timeoutVal, hasTimeout := subMap["timeout"]; hasTimeout {
config.Timeout = gconv.Duration(timeoutVal)
} else {
config.Timeout = 10 * time.Second
}
// 注册数据源
if err := m.RegisterDataSource(config); err != nil {
glog.Errorf(ctx, "failed to register datasource [%s]: %v", name, err)
if firstErr == nil {
firstErr = err
}
continue
}
// 连接数据源
source, _ := m.GetDataSource(name)
if err := source.Connect(ctx); err != nil {
glog.Errorf(ctx, "failed to initialize datasource [%s]: %v", name, err)
if firstErr == nil {
firstErr = err
}
}
}
return firstErr
}
// StartHealthCheck 启动健康检查
func (m *DataSourceManager) StartHealthCheck() {
if m.started {
return
}
m.started = true
go m.healthCheckLoop()
}
// healthCheckLoop 健康检查循环
func (m *DataSourceManager) healthCheckLoop() {
ticker := time.NewTicker(30 * time.Second)
defer ticker.Stop()
for {
select {
case <-m.ctx.Done():
return
case <-ticker.C:
m.checkAndReconnect()
}
}
}
// checkAndReconnect 检查并重新连接
func (m *DataSourceManager) checkAndReconnect() {
m.mu.RLock()
defer m.mu.RUnlock()
for name, source := range m.sources {
if !source.IsConnected() {
glog.Warningf(context.Background(), "datasource [%s] disconnected, attempting reconnect", name)
reconnectCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if err := source.Reconnect(reconnectCtx); err != nil {
glog.Errorf(reconnectCtx, "datasource [%s] reconnect failed: %v", name, err)
} else {
glog.Infof(reconnectCtx, "✅ datasource [%s] reconnected successfully", name)
}
}
}
}
// CloseAll 关闭所有数据源
func (m *DataSourceManager) CloseAll(ctx context.Context) error {
m.cancel()
m.mu.RLock()
defer m.mu.RUnlock()
var lastErr error
for name, source := range m.sources {
if err := source.Close(ctx); err != nil {
glog.Errorf(ctx, "failed to close datasource [%s]: %v", name, err)
lastErr = err
}
}
return lastErr
}
// setupGracefulShutdown 设置优雅关闭
func setupGracefulShutdown() {
go func() {
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
<-sigCh
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
glog.Info(ctx, "🔄 Shutting down Meilisearch connections...")
if err := manager.CloseAll(ctx); err != nil {
glog.Errorf(ctx, "❌ Failed to close Meilisearch connections: %v", err)
} else {
glog.Info(ctx, "✅ Meilisearch connections closed successfully")
}
}()
}

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// =============================================================================
// Meilisearch 业务操作封装
// 提供CRUD操作方法支持多数据源
// =============================================================================
package meilisearch
import (
"context"
"fmt"
"time"
"gitea.com/red-future/common/utils"
"github.com/gogf/gf/v2/container/gvar"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/frame/g"
"github.com/gogf/gf/v2/os/glog"
"github.com/gogf/gf/v2/os/gtime"
"github.com/gogf/gf/v2/util/gconv"
ms "github.com/meilisearch/meilisearch-go"
)
// =============================================================================
// 向后兼容的Meilisearch结构体
// =============================================================================
type meilisearchDB struct {
noCache bool
dataSource string // 数据源名称,默认为 "default"
}
func DB(cache ...bool) *meilisearchDB {
return &meilisearchDB{
noCache: false,
dataSource: "default",
}
}
// WithDataSource 指定使用的数据源
func (m *meilisearchDB) WithDataSource(name string) *meilisearchDB {
m.dataSource = name
return m
}
// NoCache 不使用缓存
func (m *meilisearchDB) NoCache() *meilisearchDB {
m.noCache = true
return m
}
// =============================================================================
// 全局变量
// =============================================================================
var (
manager = GetManager()
)
const PageSize = 20
// =============================================================================
// Meilisearch 操作方法(支持多数据源)
// =============================================================================
// getDataSource 获取当前使用的数据源
func (m *meilisearchDB) getDataSource() (DataSource, error) {
if m.dataSource == "" {
m.dataSource = "default"
}
return manager.GetDataSource(m.dataSource)
}
// getClient 获取 Meilisearch 客户端
func (m *meilisearchDB) getClient() (interface{ Index(string) interface{} }, error) {
source, err := m.getDataSource()
if err != nil {
return nil, err
}
if c, ok := source.Client().(interface{ Index(string) interface{} }); ok {
return c, nil
}
return nil, fmt.Errorf("invalid client type")
}
// indexInterface 辅助函数获取index
func indexInterface(indexName string, client interface{ Index(string) interface{} }) interface{} {
return client.Index(indexName)
}
// buildSearchRequest 构建搜索请求
func (m *meilisearchDB) buildSearchRequest(ctx context.Context, searchParams *SearchParams) (*ms.SearchRequest, error) {
user, err := utils.GetUserInfo(ctx)
if err != nil {
return nil, err
}
req := &ms.SearchRequest{
Limit: int64(PageSize),
Page: int64(0),
}
// 设置查询
if searchParams.Query != "" {
req.Query = searchParams.Query
}
// 设置分页
if searchParams.Page > 0 {
req.Page = int64(searchParams.Page - 1)
}
if searchParams.Limit > 0 {
req.Limit = int64(searchParams.Limit)
}
// 设置排序
if len(searchParams.Sort) > 0 {
req.Sort = searchParams.Sort
}
// 设置过滤条件(包含租户过滤和软删除过滤)
filter := ""
if !g.IsEmpty(user.TenantId) {
filter = fmt.Sprintf("tenantId = %s", gconv.String(user.TenantId))
}
if filter == "" {
filter = "isDeleted = false"
} else {
filter += " AND isDeleted = false"
}
// 添加用户自定义过滤条件
if searchParams.Filter != "" {
if filter == "" {
filter = searchParams.Filter
} else {
filter += " AND " + searchParams.Filter
}
}
if filter != "" {
req.Filter = filter
}
// 设置可搜索字段
if searchParams.SearchableAttributes != "" {
req.AttributesToSearchOn = []string{searchParams.SearchableAttributes}
}
// 设置返回字段
if len(searchParams.AttributesToRetrieve) > 0 {
req.AttributesToRetrieve = searchParams.AttributesToRetrieve
}
return req, nil
}
// Search 搜索文档
func (m *meilisearchDB) Search(ctx context.Context, searchParams *SearchParams, indexName string, result interface{}) (total int64, err error) {
client, err := m.getClient()
if err != nil {
return 0, err
}
// 构建搜索请求
req, err := m.buildSearchRequest(ctx, searchParams)
if err != nil {
return 0, err
}
// Redis 缓存处理
user, err := utils.GetUserInfo(ctx)
if err != nil {
return
}
cacheKey := fmt.Sprintf("meilisearch:search:%s:%s:%+v", user.TenantId, indexName, searchParams)
if !m.noCache {
var resultStr *gvar.Var
resultStr, err = g.Redis().Get(ctx, cacheKey)
if err != nil {
return
}
if !g.IsEmpty(resultStr) {
searchResult := &SearchResult{}
if err = gconv.Struct(resultStr, searchResult); err != nil {
return
}
total = int64(searchResult.EstimatedTotalHits)
if len(searchResult.Hits) > 0 {
if resultArr, ok := result.(*[]map[string]interface{}); ok {
*resultArr = searchResult.Hits
} else {
err = gconv.Structs(searchResult.Hits, result)
if err != nil {
return
}
}
}
return
}
}
// 执行搜索
idx := indexInterface(indexName, client)
var searchResp *ms.SearchResponse
if i, ok := idx.(interface {
Search(string, *ms.SearchRequest) (*ms.SearchResponse, error)
}); ok {
searchResp, err = i.Search(searchParams.Query, req)
} else {
return 0, fmt.Errorf("index does not support Search method")
}
if err != nil {
return 0, err
}
total = int64(searchResp.EstimatedTotalHits)
// 解析结果
if len(searchResp.Hits) > 0 {
hits := make([]map[string]interface{}, 0, len(searchResp.Hits))
for _, hit := range searchResp.Hits {
hitMap := gconv.Map(hit)
// 移除 Meilisearch 内部字段
delete(hitMap, "_formatted")
hits = append(hits, hitMap)
}
if resultArr, ok := result.(*[]map[string]interface{}); ok {
*resultArr = hits
} else {
err = gconv.Structs(hits, result)
if err != nil {
return
}
}
}
// 写入缓存
if !m.noCache {
hitList := make([]map[string]interface{}, 0)
if len(searchResp.Hits) > 0 {
for _, hit := range searchResp.Hits {
hitMap := gconv.Map(hit)
delete(hitMap, "_formatted")
hitList = append(hitList, hitMap)
}
}
searchResult := &SearchResult{
Hits: hitList,
EstimatedTotalHits: searchResp.EstimatedTotalHits,
Limit: int(searchResp.Limit),
Offset: int(searchResp.Offset),
ProcessingTimeMs: int(searchResp.ProcessingTimeMs),
}
err = g.Redis().SetEX(ctx, cacheKey, searchResult, int64(time.Hour))
if err != nil {
return
}
}
return
}
// Insert 插入文档
func (m *meilisearchDB) Insert(ctx context.Context, document interface{}, indexName string) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
user, err := utils.GetUserInfo(ctx)
if err != nil {
return
}
// 转换为 map
docMap := gconv.Map(document)
// 设置租户ID
if !g.IsEmpty(user.TenantId) && g.IsEmpty(docMap["tenantId"]) {
docMap["tenantId"] = user.TenantId
}
// 设置创建人
if !g.IsEmpty(user.UserName) && g.IsEmpty(docMap["creator"]) {
docMap["creator"] = user.UserName
}
// 设置更新人
if !g.IsEmpty(user.UserName) && g.IsEmpty(docMap["updater"]) {
docMap["updater"] = user.UserName
}
// 设置时间
now := gtime.Now().Time
if g.IsEmpty(docMap["createdAt"]) {
docMap["createdAt"] = now.Unix()
}
if g.IsEmpty(docMap["updatedAt"]) {
docMap["updatedAt"] = now.Unix()
}
// 设置删除标记
if g.IsEmpty(docMap["isDeleted"]) {
docMap["isDeleted"] = false
}
// 执行插入
documents := []map[string]interface{}{docMap}
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
AddDocuments([]map[string]interface{}, interface{}) (*ms.TaskInfo, error)
}); ok {
task, err = i.AddDocuments(documents, nil)
} else {
return 0, fmt.Errorf("index does not support AddDocuments method")
}
if err != nil {
return 0, err
}
// 清理缓存
err = m.cleanCache(ctx, indexName, user.TenantId)
if err != nil {
glog.Warning(ctx, "清理Redis缓存失败:", err)
}
return task.TaskUID, nil
}
// InsertMany 批量插入文档
func (m *meilisearchDB) InsertMany(ctx context.Context, documents []interface{}, indexName string) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
user, err := utils.GetUserInfo(ctx)
if err != nil {
return 0, err
}
docs := make([]map[string]interface{}, 0, len(documents))
for _, document := range documents {
docMap := gconv.Map(document)
// 设置租户ID
if !g.IsEmpty(user.TenantId) && g.IsEmpty(docMap["tenantId"]) {
docMap["tenantId"] = user.TenantId
}
// 设置创建人
if !g.IsEmpty(user.UserName) && g.IsEmpty(docMap["creator"]) {
docMap["creator"] = user.UserName
}
// 设置更新人
if !g.IsEmpty(user.UserName) && g.IsEmpty(docMap["updater"]) {
docMap["updater"] = user.UserName
}
// 设置时间
now := gtime.Now().Time
if g.IsEmpty(docMap["createdAt"]) {
docMap["createdAt"] = now.Unix()
}
if g.IsEmpty(docMap["updatedAt"]) {
docMap["updatedAt"] = now.Unix()
}
// 设置删除标记
if g.IsEmpty(docMap["isDeleted"]) {
docMap["isDeleted"] = false
}
docs = append(docs, docMap)
}
// 执行批量插入
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
AddDocuments([]map[string]interface{}, interface{}) (*ms.TaskInfo, error)
}); ok {
task, err = i.AddDocuments(docs, nil)
} else {
return 0, fmt.Errorf("index does not support AddDocuments method")
}
if err != nil {
return 0, err
}
// 清理缓存
err = m.cleanCache(ctx, indexName, user.TenantId)
if err != nil {
glog.Warning(ctx, "清理Redis缓存失败:", err)
}
return task.TaskUID, nil
}
// Update 更新文档
func (m *meilisearchDB) Update(ctx context.Context, document interface{}, indexName string) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
user, err := utils.GetUserInfo(ctx)
if err != nil {
return 0, err
}
// 转换为 map
docMap := gconv.Map(document)
// 设置更新人
if !g.IsEmpty(user.UserName) && g.IsEmpty(docMap["updater"]) {
docMap["updater"] = user.UserName
}
// 设置更新时间
docMap["updatedAt"] = gtime.Now().Unix()
// 执行更新
documents := []map[string]interface{}{docMap}
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
UpdateDocuments([]map[string]interface{}, interface{}) (*ms.TaskInfo, error)
}); ok {
task, err = i.UpdateDocuments(documents, nil)
} else {
return 0, fmt.Errorf("index does not support UpdateDocuments method")
}
if err != nil {
return 0, err
}
// 清理缓存
err = m.cleanCache(ctx, indexName, user.TenantId)
if err != nil {
glog.Warning(ctx, "清理Redis缓存失败:", err)
}
return task.TaskUID, nil
}
// Delete 删除文档
func (m *meilisearchDB) Delete(ctx context.Context, id string, indexName string) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
// 执行删除
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
DeleteDocument(string) (*ms.TaskInfo, error)
}); ok {
task, err = i.DeleteDocument(id)
} else {
return 0, fmt.Errorf("index does not support DeleteDocument method")
}
if err != nil {
return 0, err
}
// 清理缓存
user, err := utils.GetUserInfo(ctx)
if err != nil {
return
}
err = m.cleanCache(ctx, indexName, user.TenantId)
if err != nil {
glog.Warning(ctx, "清理Redis缓存失败:", err)
}
return task.TaskUID, nil
}
// DeleteSoft 软删除文档
func (m *meilisearchDB) DeleteSoft(ctx context.Context, id string, indexName string) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
user, err := utils.GetUserInfo(ctx)
if err != nil {
return 0, err
}
// 软删除:更新 isDeleted 字段
updateMap := map[string]interface{}{
"id": id,
"isDeleted": true,
"updater": user.UserName,
"updatedAt": gtime.Now().Unix(),
}
// 执行更新
documents := []map[string]interface{}{updateMap}
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
UpdateDocuments([]map[string]interface{}, interface{}) (*ms.TaskInfo, error)
}); ok {
task, err = i.UpdateDocuments(documents, nil)
} else {
return 0, fmt.Errorf("index does not support UpdateDocuments method")
}
if err != nil {
return 0, err
}
// 清理缓存
err = m.cleanCache(ctx, indexName, user.TenantId)
if err != nil {
glog.Warning(ctx, "清理Redis缓存失败:", err)
}
return task.TaskUID, nil
}
// Get 获取单个文档
func (m *meilisearchDB) Get(ctx context.Context, id string, indexName string, result interface{}) (err error) {
c, err := m.getClient()
if err != nil {
return err
}
// Redis 缓存处理
user, err := utils.GetUserInfo(ctx)
if err != nil {
return
}
cacheKey := fmt.Sprintf("meilisearch:doc:%s:%s:%s", user.TenantId, indexName, id)
if !m.noCache {
var resultStr *gvar.Var
resultStr, err = g.Redis().Get(ctx, cacheKey)
if err != nil {
return
}
if !g.IsEmpty(resultStr) {
return gconv.Scan(resultStr, result)
}
}
// 执行查询
var doc map[string]interface{}
idx := indexInterface(indexName, c)
if i, ok := idx.(interface {
GetDocument(string, interface{}) error
}); ok {
err = i.GetDocument(id, &doc)
} else {
return fmt.Errorf("index does not support GetDocument method")
}
if err != nil {
return err
}
// 过滤已删除的文档
if gconv.Bool(doc["isDeleted"]) {
return gerror.New("文档不存在")
}
err = gconv.Struct(doc, result)
if err != nil {
return err
}
// 写入缓存
if !m.noCache {
err = g.Redis().SetEX(ctx, cacheKey, result, int64(time.Hour))
if err != nil {
return err
}
}
return nil
}
// cleanCache 清理缓存
func (m *meilisearchDB) cleanCache(ctx context.Context, indexName string, tenantId interface{}) error {
// 清理搜索缓存
searchKeys, err := g.Redis().Keys(ctx, fmt.Sprintf("meilisearch:search:%s:%s:*", tenantId, indexName))
if err != nil {
return err
}
for _, key := range searchKeys {
_, err = g.Redis().Del(ctx, key)
if err != nil {
return err
}
}
return nil
}
// CreateIndex 创建索引
func (m *meilisearchDB) CreateIndex(ctx context.Context, indexConfig *IndexConfig) (taskUID int64, err error) {
client, err := m.getClient()
if err != nil {
return 0, err
}
indexSettings := &ms.IndexConfig{
Uid: indexConfig.UID,
PrimaryKey: indexConfig.PrimaryKey,
}
if c, ok := client.(interface {
CreateIndex(*ms.IndexConfig) (*ms.TaskInfo, error)
}); ok {
task, err := c.CreateIndex(indexSettings)
if err != nil {
return 0, err
}
return task.TaskUID, nil
}
return 0, fmt.Errorf("client does not support CreateIndex")
}
// DeleteIndex 删除索引
func (m *meilisearchDB) DeleteIndex(ctx context.Context, indexName string) (err error) {
client, err := m.getClient()
if err != nil {
return err
}
if c, ok := client.(interface{ DeleteIndex(string) error }); ok {
return c.DeleteIndex(indexName)
}
return fmt.Errorf("client does not support DeleteIndex")
}
// GetIndex 获取索引信息
func (m *meilisearchDB) GetIndex(ctx context.Context, indexName string) (interface{}, error) {
client, err := m.getClient()
if err != nil {
return nil, err
}
if c, ok := client.(interface {
GetIndex(string) (interface{}, error)
}); ok {
return c.GetIndex(indexName)
}
return nil, fmt.Errorf("client does not support GetIndex")
}
// GetIndexes 获取所有索引
func (m *meilisearchDB) GetIndexes(ctx context.Context) (interface{}, error) {
client, err := m.getClient()
if err != nil {
return nil, err
}
if c, ok := client.(interface {
GetIndexes(interface{}) (interface{}, error)
}); ok {
return c.GetIndexes(nil)
}
return nil, fmt.Errorf("client does not support GetIndexes")
}
// UpdateSettings 更新索引设置
func (m *meilisearchDB) UpdateSettings(ctx context.Context, indexName string, settings *ms.Settings) (taskUID int64, err error) {
c, err := m.getClient()
if err != nil {
return 0, err
}
idx := indexInterface(indexName, c)
var task *ms.TaskInfo
if i, ok := idx.(interface {
UpdateSettings(*ms.Settings) (*ms.TaskInfo, error)
}); ok {
task, err = i.UpdateSettings(settings)
} else {
return 0, fmt.Errorf("index does not support UpdateSettings method")
}
if err != nil {
return 0, err
}
return task.TaskUID, nil
}
// GetSettings 获取索引设置
func (m *meilisearchDB) GetSettings(ctx context.Context, indexName string) (*ms.Settings, error) {
c, err := m.getClient()
if err != nil {
return nil, err
}
idx := indexInterface(indexName, c)
var settings *ms.Settings
if i, ok := idx.(interface{ GetSettings() (*ms.Settings, error) }); ok {
settings, err = i.GetSettings()
} else {
return nil, fmt.Errorf("index does not support GetSettings method")
}
if err != nil {
return nil, err
}
return settings, nil
}
// GetClient 获取原始客户端(用于高级操作)
func (m *meilisearchDB) GetClient() (interface{ Index(string) interface{} }, error) {
return m.getClient()
}
// BuildUpdateData 构建更新数据
func BuildUpdateData(ctx context.Context, req interface{}) (map[string]interface{}, error) {
return gconv.Map(req), nil
}

View File

@@ -0,0 +1,109 @@
// =============================================================================
// Meilisearch 数据结构定义
// =============================================================================
package meilisearch
// SearchParams 搜索参数
type SearchParams struct {
Query string // 搜索查询字符串
Page int64 // 页码从1开始
Limit int64 // 每页数量
Sort []string // 排序字段,如 ["createdAt:desc", "price:asc"]
Filter string // 过滤条件
SearchableAttributes string // 可搜索字段
AttributesToRetrieve []string // 返回字段
Facets []string // 聚合字段
HitsPerPage int // 每页命中数
}
// SearchResult 搜索结果
type SearchResult struct {
Hits []map[string]interface{} `json:"hits"`
EstimatedTotalHits int64 `json:"estimatedTotalHits"`
Limit int `json:"limit"`
Offset int `json:"offset"`
ProcessingTimeMs int `json:"processingTimeMs"`
Query string `json:"query"`
FacetDistribution map[string]interface{} `json:"facetDistribution,omitempty"`
}
// IndexConfig 索引配置
type IndexConfig struct {
UID string // 索引唯一标识
PrimaryKey string // 主键字段名
}
// IndexSettings 索引设置
type IndexSettings struct {
SearchableAttributes []string `json:"searchableAttributes,omitempty"`
DisplayedAttributes []string `json:"displayedAttributes,omitempty"`
FilterableAttributes []string `json:"filterableAttributes,omitempty"`
SortableAttributes []string `json:"sortableAttributes,omitempty"`
RankingRules []string `json:"rankingRules,omitempty"`
StopWords []string `json:"stopWords,omitempty"`
Synonyms map[string][]string `json:"synonyms,omitempty"`
DistinctAttribute string `json:"distinctAttribute,omitempty"`
TypoTolerance *TypoTolerance `json:"typoTolerance,omitempty"`
Pagination *Pagination `json:"pagination,omitempty"`
Faceting *Faceting `json:"faceting,omitempty"`
}
// TypoTolerance 拼写容错设置
type TypoTolerance struct {
Enabled bool `json:"enabled"`
MinWordSizeForTypos map[string]int `json:"minWordSizeForTypos"`
DisableOnWords []string `json:"disableOnWords"`
DisableOnAttributes []string `json:"disableOnAttributes"`
}
// Pagination 分页设置
type Pagination struct {
MaxTotalHits int `json:"maxTotalHits"`
}
// Faceting 聚合设置
type Faceting struct {
MaxValuesPerFacet int `json:"maxValuesPerFacet"`
}
// TaskResult 任务结果
type TaskResult struct {
TaskUID int64 `json:"taskUid"`
Status string `json:"status"`
Type string `json:"type"`
Details map[string]interface{} `json:"details,omitempty"`
Error string `json:"error,omitempty"`
}
// Document 文档
type Document map[string]interface{}
// 文档操作符
const (
OperatorEquals = "="
OperatorNotEquals = "!="
OperatorGreaterThan = ">"
OperatorGreaterOrEqual = ">="
OperatorLessThan = "<"
OperatorLessOrEqual = "<="
OperatorAnd = "AND"
OperatorOr = "OR"
OperatorNot = "NOT"
)
// 排序顺序
const (
SortAsc = "asc"
SortDesc = "desc"
)
// 排名规则
const (
RankingRuleWords = "words"
RankingRuleTypo = "typo"
RankingRuleProximity = "proximity"
RankingRuleAttribute = "attribute"
RankingRuleSort = "sort"
RankingRuleExactness = "exactness"
)