refactor: 后端包结构重构、去除无用的文件

server/internal/devops/application/redis_app.go

@@ -0,0 +1,161 @@
+package application
+
+import (
+	"fmt"
+	"mayfly-go/internal/devops/domain/entity"
+	"mayfly-go/internal/devops/domain/repository"
+	"mayfly-go/internal/devops/infrastructure/persistence"
+	"mayfly-go/pkg/biz"
+	"mayfly-go/pkg/cache"
+	"mayfly-go/pkg/global"
+	"mayfly-go/pkg/model"
+	"time"
+
+	"github.com/go-redis/redis"
+)
+
+type Redis interface {
+	// 分页获取机器脚本信息列表
+	GetPageList(condition *entity.Redis, pageParam *model.PageParam, toEntity interface{}, orderBy ...string) *model.PageResult
+
+	Count(condition *entity.Redis) int64
+
+	// 根据id获取
+	GetById(id uint64, cols ...string) *entity.Redis
+
+	// 根据条件获取
+	GetRedisBy(condition *entity.Redis, cols ...string) error
+
+	Save(entity *entity.Redis)
+
+	// 删除数据库信息
+	Delete(id uint64)
+
+	// 获取数据库连接实例
+	GetRedisInstance(id uint64) *RedisInstance
+}
+
+type redisAppImpl struct {
+	redisRepo repository.Redis
+}
+
+var RedisApp Redis = &redisAppImpl{
+	redisRepo: persistence.RedisDao,
+}
+
+// 分页获取机器脚本信息列表
+func (r *redisAppImpl) GetPageList(condition *entity.Redis, pageParam *model.PageParam, toEntity interface{}, orderBy ...string) *model.PageResult {
+	return r.redisRepo.GetRedisList(condition, pageParam, toEntity, orderBy...)
+}
+
+func (r *redisAppImpl) Count(condition *entity.Redis) int64 {
+	return r.redisRepo.Count(condition)
+}
+
+// 根据id获取
+func (r *redisAppImpl) GetById(id uint64, cols ...string) *entity.Redis {
+	return r.redisRepo.GetById(id, cols...)
+}
+
+// 根据条件获取
+func (r *redisAppImpl) GetRedisBy(condition *entity.Redis, cols ...string) error {
+	return r.redisRepo.GetRedis(condition, cols...)
+}
+
+func (r *redisAppImpl) Save(re *entity.Redis) {
+	TestRedisConnection(re)
+
+	// 查找是否存在该库
+	oldRedis := &entity.Redis{Host: re.Host, Db: re.Db}
+	err := r.GetRedisBy(oldRedis)
+
+	if re.Id == 0 {
+		biz.IsTrue(err != nil, "该库已存在")
+		r.redisRepo.Insert(re)
+	} else {
+		// 如果存在该库，则校验修改的库是否为该库
+		if err == nil {
+			biz.IsTrue(oldRedis.Id == re.Id, "该库已存在")
+		}
+		// 先关闭数据库连接
+		CloseRedis(re.Id)
+		r.redisRepo.Update(re)
+	}
+}
+
+// 删除Redis信息
+func (r *redisAppImpl) Delete(id uint64) {
+	CloseRedis(id)
+	r.redisRepo.Delete(id)
+}
+
+// 获取数据库连接实例
+func (r *redisAppImpl) GetRedisInstance(id uint64) *RedisInstance {
+	// Id不为0，则为需要缓存
+	needCache := id != 0
+	if needCache {
+		load, ok := redisCache.Get(id)
+		if ok {
+			return load.(*RedisInstance)
+		}
+	}
+	// 缓存不存在，则回调获取redis信息
+	re := r.GetById(id)
+	biz.NotNil(re, "redis信息不存在")
+	global.Log.Infof("连接redis: %s", re.Host)
+
+	rcli := redis.NewClient(&redis.Options{
+		Addr:     re.Host,
+		Password: re.Password, // no password set
+		DB:       re.Db,       // use default DB
+	})
+	// 测试连接
+	_, e := rcli.Ping().Result()
+	biz.ErrIsNilAppendErr(e, "redis连接失败: %s")
+
+	ri := &RedisInstance{Id: id, ProjectId: re.ProjectId, Cli: rcli}
+	if needCache {
+		redisCache.Put(re.Id, ri)
+	}
+	return ri
+}
+
+//------------------------------------------------------------------------------
+
+// redis客户端连接缓存，30分钟内没有访问则会被关闭
+var redisCache = cache.NewTimedCache(30*time.Minute, 5*time.Second).
+	WithUpdateAccessTime(true).
+	OnEvicted(func(key interface{}, value interface{}) {
+		global.Log.Info(fmt.Sprintf("删除redis连接缓存 id = %d", key))
+		value.(*RedisInstance).Cli.Close()
+	})
+
+// redis实例
+type RedisInstance struct {
+	Id        uint64
+	ProjectId uint64
+	Cli       *redis.Client
+}
+
+// 移除redis连接缓存并关闭redis连接
+func CloseRedis(id uint64) {
+	redisCache.Delete(id)
+}
+
+func TestRedisConnection(re *entity.Redis) {
+	rcli := redis.NewClient(&redis.Options{
+		Addr:     re.Host,
+		Password: re.Password, // no password set
+		DB:       re.Db,       // use default DB
+	})
+	defer rcli.Close()
+	// 测试连接
+	_, e := rcli.Ping().Result()
+	biz.ErrIsNilAppendErr(e, "Redis连接失败: %s")
+}
+
+func (r *RedisInstance) Scan(cursor uint64, match string, count int64) ([]string, uint64) {
+	keys, newcursor, err := r.Cli.Scan(cursor, match, count).Result()
+	biz.ErrIsNilAppendErr(err, "scan失败: %s")
+	return keys, newcursor
+}