yats.git

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package main

import (
	"fmt"
	"os"
	"time"
	"yats-server/config"
	"yats-server/dates"
	"yats-server/db"
)

func createParquetDir(cfg config.Configuration, now time.Time, id_client string, item string) (string, error) {
	baseParquetDir := cfg.ARCHIVE_DIRECTORY
	parquetDir := baseParquetDir

	if cfg.ARCHIVE_FREQUENCY == "daily" {
		parquetDir = fmt.Sprintf("%s/%s/%s/%s", baseParquetDir, id_client, item, dates.YYYYMMDD(now))
	}

	if cfg.ARCHIVE_FREQUENCY == "weekly" {
		parquetDir = fmt.Sprintf("%s/%s/%s/%s", baseParquetDir, id_client, item, dates.YYYYWW(now))
	}

	if cfg.ARCHIVE_FREQUENCY == "monthly" {
		parquetDir = fmt.Sprintf("%s/%s/%s/%s", baseParquetDir, id_client, item, dates.YYYYMM(now))
	}

	err := os.MkdirAll(parquetDir, 0755)
	if nil != err {
		return "", err
	}
	return parquetDir, nil
}

func MaintenanceThread(cfg config.Configuration) {
	var sleeptime, _ = time.ParseDuration("60s")
	for {
		time.Sleep(sleeptime)
		now := time.Now()
		daysRange := dates.DaysRange{"2024-05-01", "2024-05-12"} //dates.CalculateFullDayNDaysAgo(1)

		clients := db.GetClientsList(db.Session)
		for i := range clients {
			fmt.Printf("Processing client: %s with ID: %s", clients[i].Name, clients[i].ID)
			parquetDir, err := createParquetDir(cfg, now, "metric", clients[i].ID)
			if nil != err {
				fmt.Println(err)
				return
			}
			metricFileName := fmt.Sprintf("%s/metric-%.4d%.2d%.2d-%d.parquet", parquetDir, now.Year(), now.Month(), now.Day(), now.Unix())
			fmt.Printf("Writing to file: %s\n", metricFileName)

			metrics := db.LoadMetrics(db.Session, clients[i].ID, daysRange)
			fmt.Printf("Loaded: [%d] results", len(metrics))
			db.MetricToParquet(metrics, metricFileName)
		}
		fmt.Printf("Maintenance Thread\n")
	}
}