1 files changed, 72 insertions, 0 deletions
diff --git a/exporter.go b/exporter.go
new file mode 100644
index 0000000..620cae2
--- /dev/null
+++ b/exporter.go
@@ -0,0 +1,72 @@
+/*
+Copyright © 2020 Alexander Kiryukhin <a.kiryukhin@mail.ru>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package main
+
+import (
+	"encoding/csv"
+	"fmt"
+	"os"
+	"strconv"
+	"time"
+)
+
+const months = 48
+
+func export(name string, documents []*Document) error {
+	var sheet [][]string
+	header := []string{"Облигации", "Тикер"}
+	now := time.Now()
+	for i := 0; i <= months; i++ {
+		year, month, _ := now.Date()
+		cellID := fmt.Sprintf("%02d.%d", month, year)
+		header = append(header, cellID)
+		now = now.AddDate(0, 1, 0)
+	}
+	sheet = append(sheet, header)
+	for _, document := range documents {
+		row := []string{document.Name, document.ID}
+		now = time.Now()
+		for i := 0; i <= months; i++ {
+			if sum, ok := document.GetByDate(now); ok {
+				row = append(row, strconv.FormatFloat(sum, 'f', 2, 64))
+			} else {
+				row = append(row, "")
+			}
+			now = now.AddDate(0, 1, 0)
+		}
+		sheet = append(sheet, row)
+	}
+	f, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0777)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	w := csv.NewWriter(f)
+	if err := w.WriteAll(sheet); err != nil {
+		return err
+	}
+
+	if err := w.Error(); err != nil {
+		return err
+	}
+	return nil
+}