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 rest

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"time"
	"yats-server/db"
	"yats-server/model"
)

// @BasePath /

// WriteMetric godoc
// @Summary write metric to db
// @Schemes
// @Description store metric
// @Tags Metrics
// @Accept json
// @Param data body model.MetricModel true "Metric request body"
// @Produce json
// @Success 202 {string} WriteMetric
// @Router /metric [post]
func WriteMetric(c *gin.Context) {
	var metric model.MetricModel

	if err := c.BindJSON(&metric); err != nil {
		c.IndentedJSON(http.StatusAccepted, gin.H{"ret": "-1"})
		return
	}

	clientCN := GetClientCN(c)
	fmt.Printf("%s / %s / %s", clientCN, metric.Name, metric.Value)

	if metric.Mtime != 0 {
		unixTimeUTC := time.Unix(metric.Mtime, 0)
		db.SaveMetricAt(clientCN, unixTimeUTC, metric.Name, metric.Value)
	} else {
		db.SaveMetric(clientCN, metric.Name, metric.Value)
	}

	c.IndentedJSON(http.StatusAccepted, gin.H{"ret": "OK"})
}

// GetMetrics  godoc
// @Summary Get the metrics From ... and To when present
// @Schemes
// @Description retrieve metric in the specified time window
// @Tags Metrics
// @Accept json
// @Param data body model.MetricSearchRequest true "Metric query filters"
// @Produce json
// @Param data body  []model.MetricModel true "Metric response"
// @Success 200 {string} WriteMetric
// @Router /metric/get [post]
func GetMetrics(c *gin.Context) {
	var metric model.MetricSearchRequest

	if err := c.BindJSON(&metric); err != nil {
		c.IndentedJSON(http.StatusAccepted, gin.H{"ret": "-1"})
		return
	}

	clientCN := GetClientCN(c)
	fmt.Printf("%s / %s ", clientCN, metric.Name)

	var metricsPack []model.MetricModel

	if metric.To == 0 {
		unixTimeUTC := time.Unix(metric.From, 0)
		timeAsBytes, _ := unixTimeUTC.UTC().MarshalText()
		metricsPack = db.MetricsFrom(db.Session, clientCN, metric.Name, string(timeAsBytes), 100)
	} else if metric.From != 0 {
		fromUnixTimeUTC := time.Unix(metric.From, 0)
		toUnixTimeUTC := time.Unix(metric.To, 0)
		fromInBytes, _ := fromUnixTimeUTC.UTC().MarshalText()
		toInBytes, _ := toUnixTimeUTC.UTC().MarshalText()
		metricsPack = db.MetricsBetween(db.Session, clientCN, metric.Name, string(fromInBytes), string(toInBytes), 100)
	}
	c.IndentedJSON(http.StatusAccepted, gin.H{"ret": "OK", "content": metricsPack})
}