yats.git

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/**
 * Yats - yats
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Paolo Lulli <kevwe.com>
 * @copyright Paolo Lulli 2024
 */

package db

import (
	"fmt"
	"github.com/gocql/gocql"
	"time"
	"yats-server/dates"
	"yats-server/model"
)

type MetricModel struct {
	IdClient string    `json:"id_client"`
	Mtime    time.Time `json:"mtime"`
	Name     string    `json:"name"`
	Value    string    `json:"value"`
}

func PrintMetrics(metrics []model.MetricModel) {
	for _, metric := range metrics {
		fmt.Printf("%s\n", metric.Name)
	}
}

func LoadMetrics(session *gocql.Session, idClient string, daysRange dates.DaysRange) []model.MetricModel {
	var metrics []model.MetricModel
	m := map[string]interface{}{}

	metricInfos := GetClientMetrics(session, idClient)

	for mx := range metricInfos {
		metricName := metricInfos[mx].Name
		fmt.Printf("Querying from: %s to: %s\n", daysRange.From, daysRange.To)
		q := fmt.Sprintf("SELECT id_client, mtime, name, value FROM metric where id_client='%s' and name ='%s' and mtime > '%s' and mtime < '%s'", idClient, metricName, daysRange.From, daysRange.To)
		fmt.Println(q)
		iter := session.Query(q).Iter()
		for iter.MapScan(m) {
			metrics = append(metrics, model.MetricModel{
				IdClient: m["id_client"].(string),
				Mtime:    m["mtime"].(time.Time).UnixMilli(),
				Name:     m["name"].(string),
				Value:    m["value"].(string),
			})

			m = map[string]interface{}{}
		}
	}
	return metrics
}

func DeleteMetrics(session *gocql.Session, idClient string, daysRange dates.DaysRange) {
	metricInfos := GetClientMetrics(session, idClient)

	for mx := range metricInfos {
		metricName := metricInfos[mx].Name
		fmt.Printf("Querying from: %s to: %s\n", daysRange.From, daysRange.To)
		q := fmt.Sprintf("DELETE FROM metric where id_client='%s' and name ='%s' and mtime > '%s' and mtime < '%s'", idClient, metricName, daysRange.From, daysRange.To)
		fmt.Println(q)
		session.Query(q).Exec()
	}
}

func SaveMetric(idClient string, metricName string, metricValue string) {
	q := fmt.Sprintf("insert into metric ( id_client, mtime, name, value) values ('%s',toTimestamp(now()),'%s','%s');", idClient, metricName, metricValue)
	fmt.Println(q)
	Session.Query(q).Exec()
}

func SaveMetricAt(idClient string, tstamp time.Time, metricName string, metricValue string) {
	timeAsBytes, _ := tstamp.UTC().MarshalText()
	q := fmt.Sprintf("insert into metric ( id_client, mtime, name, value) values ('%s','%s','%s','%s');", idClient, string(timeAsBytes), metricName, metricValue)
	Session.Query(q).Exec()
}

func CanReadSourceMetric(idClient string, sourceApp string, metricName string) bool {
	m := map[string]interface{}{}

	q := fmt.Sprintf(" SELECT name,app,type from sources where id_client='%s' and app='%s' and type='metric' and name='%s';", idClient, sourceApp, metricName)
	fmt.Println(q)
	iter := Session.Query(q).Iter()

	for iter.MapScan(m) {
		return true
	}
	return false
}