feat: read .csv functions

Author: DanielFillol

csv/read.go

@@ -0,0 +1,48 @@
+package csv
+
+import (
+	"encoding/csv"
+	"github.com/DanielFillol/DataJUD_API_CALLER/models"
+	"log"
+	"os"
+)
+
+// The Read function reads data from a CSV file located at the specified filePath, with the specified separator.
+// It returns a slice of models.ReadCsv structs containing the data from the CSV file, excluding the header.
+func Read(filePath string, separator rune, skipHeaderLine bool) ([]models.ReadCsv, error) {
+	csvFile, err := os.Open(filePath)
+	if err != nil {
+		log.Println(err)
+		return nil, err
+	}
+	defer csvFile.Close()
+
+	csvR := csv.NewReader(csvFile)
+	csvR.Comma = separator
+
+	csvData, err := csvR.ReadAll()
+	if err != nil {
+		log.Println(err)
+		return nil, err
+	}
+
+	var data []models.ReadCsv
+	for i, line := range csvData {
+		if skipHeaderLine {
+			// Skip the header line
+			if i != 0 {
+				document := line[0]
+				data = append(data, models.ReadCsv{
+					CNJNumber: document,
+				})
+			}
+		} else {
+			document := line[0]
+			data = append(data, models.ReadCsv{
+				CNJNumber: document,
+			})
+		}
+	}
+
+	return data, nil
+}