feat(tags): add endpoint to query all node tags

internal/logic/admin/server/queryNodeTagLogic.go

@@ -0,0 +1,46 @@
+package server
+
+import (
+	"context"
+	"strings"
+
+	"github.com/perfect-panel/server/internal/model/node"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/tool"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type QueryNodeTagLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// NewQueryNodeTagLogic Query all node tags
+func NewQueryNodeTagLogic(ctx context.Context, svcCtx *svc.ServiceContext) *QueryNodeTagLogic {
+	return &QueryNodeTagLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *QueryNodeTagLogic) QueryNodeTag() (resp *types.QueryNodeTagResponse, err error) {
+
+	var nodes []*node.Node
+	if err = l.svcCtx.DB.WithContext(l.ctx).Model(&node.Node{}).Find(&nodes).Error; err != nil {
+		l.Errorw("[QueryNodeTag] Query Database Error: ", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "[QueryNodeTag] Query Database Error")
+	}
+	var tags []string
+	for _, item := range nodes {
+		tags = append(tags, strings.Split(item.Tags, ",")...)
+	}
+
+	return &types.QueryNodeTagResponse{
+		Tags: tool.RemoveDuplicateElements(tags...),
+	}, nil
+}