Added measurements, and devices statsh

Added stats endpoints

controllers/invoices_controller.go

@@ -3,6 +3,7 @@ package controllers
 import (
 	"net/http"
 	"strconv"
+	"time"
 
 	"github.com/gin-gonic/gin"
 	"gitlab.com/pactual1/backend/database/invoice"
@@ -104,3 +105,38 @@ func convertToResponseModel(invoices []models.Invoice) []models.ListInvoiceRespo
 	}
 	return listInvoiceResponses
 }
+
+
+func GetInvoiceCountByStatus(c *gin.Context) {
+	companyID := c.DefaultQuery("company_id", "0")
+	startTimeStr := c.DefaultQuery("start_time", "")
+	endTimeStr := c.DefaultQuery("end_time", "")
+
+	// Convert to uint and time.Time
+	companyIDUint, err := strconv.ParseUint(companyID, 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"error": "Invalid companyID",
+		})
+		return
+	}
+
+	// Convert string to Unix timestamp
+	startUnix, _ := strconv.ParseInt(startTimeStr, 10, 64)
+	endUnix, _ := strconv.ParseInt(endTimeStr, 10, 64)
+
+	// Convert Unix timestamps to time.Time
+	startTime := time.Unix(startUnix, 0)
+	endTime := time.Unix(endUnix, 0)
+
+	activeCount, executedCount, monthly, err := invoice.CountInvoicesByMultipleStatuses(uint(companyIDUint), startTime, endTime)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "Internal Server Error",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": models.ActiveInvoiceResponse{Claimed: activeCount, Issued : executedCount, MonthlyInvoices: monthly}})
+
+}