实现基础的通知媒介管理

internal/db/models/monitor_node_dao.go

@@ -0,0 +1,227 @@
+package models
+
+import (
+	"encoding/json"
+	"github.com/TeaOSLab/EdgeAPI/internal/errors"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+	"github.com/iwind/TeaGo/maps"
+	"github.com/iwind/TeaGo/rands"
+	"github.com/iwind/TeaGo/types"
+	"strconv"
+)
+
+const (
+	MonitorNodeStateEnabled  = 1 // 已启用
+	MonitorNodeStateDisabled = 0 // 已禁用
+)
+
+type MonitorNodeDAO dbs.DAO
+
+func NewMonitorNodeDAO() *MonitorNodeDAO {
+	return dbs.NewDAO(&MonitorNodeDAO{
+		DAOObject: dbs.DAOObject{
+			DB:     Tea.Env,
+			Table:  "edgeMonitorNodes",
+			Model:  new(MonitorNode),
+			PkName: "id",
+		},
+	}).(*MonitorNodeDAO)
+}
+
+var SharedMonitorNodeDAO *MonitorNodeDAO
+
+func init() {
+	dbs.OnReady(func() {
+		SharedMonitorNodeDAO = NewMonitorNodeDAO()
+	})
+}
+
+// 启用条目
+func (this *MonitorNodeDAO) EnableMonitorNode(tx *dbs.Tx, id int64) error {
+	_, err := this.Query(tx).
+		Pk(id).
+		Set("state", MonitorNodeStateEnabled).
+		Update()
+	return err
+}
+
+// 禁用条目
+func (this *MonitorNodeDAO) DisableMonitorNode(tx *dbs.Tx, id int64) error {
+	_, err := this.Query(tx).
+		Pk(id).
+		Set("state", MonitorNodeStateDisabled).
+		Update()
+	return err
+}
+
+// 查找启用中的条目
+func (this *MonitorNodeDAO) FindEnabledMonitorNode(tx *dbs.Tx, id int64) (*MonitorNode, error) {
+	result, err := this.Query(tx).
+		Pk(id).
+		Attr("state", MonitorNodeStateEnabled).
+		Find()
+	if result == nil {
+		return nil, err
+	}
+	return result.(*MonitorNode), err
+}
+
+// 根据主键查找名称
+func (this *MonitorNodeDAO) FindMonitorNodeName(tx *dbs.Tx, id int64) (string, error) {
+	return this.Query(tx).
+		Pk(id).
+		Result("name").
+		FindStringCol("")
+}
+
+// 列出所有可用监控节点
+func (this *MonitorNodeDAO) FindAllEnabledMonitorNodes(tx *dbs.Tx) (result []*MonitorNode, err error) {
+	_, err = this.Query(tx).
+		State(MonitorNodeStateEnabled).
+		Desc("order").
+		AscPk().
+		Slice(&result).
+		FindAll()
+	return
+}
+
+// 计算监控节点数量
+func (this *MonitorNodeDAO) CountAllEnabledMonitorNodes(tx *dbs.Tx) (int64, error) {
+	return this.Query(tx).
+		State(MonitorNodeStateEnabled).
+		Count()
+}
+
+// 列出单页的监控节点
+func (this *MonitorNodeDAO) ListEnabledMonitorNodes(tx *dbs.Tx, offset int64, size int64) (result []*MonitorNode, err error) {
+	_, err = this.Query(tx).
+		State(MonitorNodeStateEnabled).
+		Offset(offset).
+		Limit(size).
+		Desc("order").
+		DescPk().
+		Slice(&result).
+		FindAll()
+	return
+}
+
+// 根据主机名和端口获取ID
+func (this *MonitorNodeDAO) FindEnabledMonitorNodeIdWithAddr(tx *dbs.Tx, protocol string, host string, port int) (int64, error) {
+	addr := maps.Map{
+		"protocol":  protocol,
+		"host":      host,
+		"portRange": strconv.Itoa(port),
+	}
+	addrJSON, err := json.Marshal(addr)
+	if err != nil {
+		return 0, err
+	}
+
+	one, err := this.Query(tx).
+		State(MonitorNodeStateEnabled).
+		Where("JSON_CONTAINS(accessAddrs, :addr)").
+		Param("addr", string(addrJSON)).
+		ResultPk().
+		Find()
+	if err != nil {
+		return 0, err
+	}
+	if one == nil {
+		return 0, nil
+	}
+	return int64(one.(*MonitorNode).Id), nil
+}
+
+// 创建监控节点
+func (this *MonitorNodeDAO) CreateMonitorNode(tx *dbs.Tx, name string, description string, isOn bool) (nodeId int64, err error) {
+	uniqueId, err := this.GenUniqueId(tx)
+	if err != nil {
+		return 0, err
+	}
+	secret := rands.String(32)
+	err = NewApiTokenDAO().CreateAPIToken(tx, uniqueId, secret, NodeRoleMonitor)
+	if err != nil {
+		return
+	}
+
+	op := NewMonitorNodeOperator()
+	op.IsOn = isOn
+	op.UniqueId = uniqueId
+	op.Secret = secret
+	op.Name = name
+	op.Description = description
+	op.State = NodeStateEnabled
+	err = this.Save(tx, op)
+	if err != nil {
+		return
+	}
+
+	return types.Int64(op.Id), nil
+}
+
+// 修改监控节点
+func (this *MonitorNodeDAO) UpdateMonitorNode(tx *dbs.Tx, nodeId int64, name string, description string, isOn bool) error {
+	if nodeId <= 0 {
+		return errors.New("invalid nodeId")
+	}
+
+	op := NewMonitorNodeOperator()
+	op.Id = nodeId
+	op.Name = name
+	op.Description = description
+	op.IsOn = isOn
+	err := this.Save(tx, op)
+	return err
+}
+
+// 根据唯一ID获取节点信息
+func (this *MonitorNodeDAO) FindEnabledMonitorNodeWithUniqueId(tx *dbs.Tx, uniqueId string) (*MonitorNode, error) {
+	result, err := this.Query(tx).
+		Attr("uniqueId", uniqueId).
+		Attr("state", MonitorNodeStateEnabled).
+		Find()
+	if result == nil {
+		return nil, err
+	}
+	return result.(*MonitorNode), err
+}
+
+// 根据唯一ID获取节点ID
+func (this *MonitorNodeDAO) FindEnabledMonitorNodeIdWithUniqueId(tx *dbs.Tx, uniqueId string) (int64, error) {
+	return this.Query(tx).
+		Attr("uniqueId", uniqueId).
+		Attr("state", MonitorNodeStateEnabled).
+		ResultPk().
+		FindInt64Col(0)
+}
+
+// 生成唯一ID
+func (this *MonitorNodeDAO) GenUniqueId(tx *dbs.Tx) (string, error) {
+	for {
+		uniqueId := rands.HexString(32)
+		ok, err := this.Query(tx).
+			Attr("uniqueId", uniqueId).
+			Exist()
+		if err != nil {
+			return "", err
+		}
+		if ok {
+			continue
+		}
+		return uniqueId, nil
+	}
+}
+
+// 更改节点状态
+func (this *MonitorNodeDAO) UpdateNodeStatus(tx *dbs.Tx, nodeId int64, statusJSON []byte) error {
+	if statusJSON == nil {
+		return nil
+	}
+	_, err := this.Query(tx).
+		Pk(nodeId).
+		Set("status", string(statusJSON)).
+		Update()
+	return err
+}