humanise: add package to print human-friendly errors

Signed-off-by: Sumner Evans <sumner.evans@automattic.com>
2024-11-25 17:05:48 -07:00
parent 6b6a6ba275
commit 4b5ae24a67
4 changed files with 1639 additions and 0 deletions
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"bytes"
+	"encoding/csv"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"go.mau.fi/util/exerrors"
+)
+
+func main() {
+	currentDir := exerrors.Must(os.Getwd())
+
+	errorCSV := exerrors.Must(os.Open(currentDir + "/../../internal/gen/errors.csv"))
+	reader := csv.NewReader(errorCSV)
+	var data bytes.Buffer
+	data.WriteString("package humanise\n")
+	data.WriteString("import \"github.com/gotd/td/tgerr\"\n")
+	data.WriteString("func Error(err error) string {\n")
+	data.WriteString("switch {\n")
+	for {
+		row, err := reader.Read()
+		if err != nil {
+			if err == io.EOF {
+				break
+			} else {
+				panic(err)
+			}
+		}
+
+		data.WriteString(`case tgerr.Is(err, "`)
+		data.WriteString(row[0])
+		data.WriteString(`"): return "`)
+		errString := strings.ReplaceAll(row[2], `\`, `\\`)
+		errString = strings.ReplaceAll(errString, `"`, `\"`)
+		data.WriteString(errString)
+		data.WriteString(`"`)
+		data.WriteString("\n")
+
+		fmt.Printf("row %+v\n", row)
+	}
+	data.WriteString("}\n")
+	data.WriteString("return err.Error()")
+	data.WriteString("}")
+
+	exerrors.PanicIfNotNil(os.WriteFile(currentDir+"/errors.go", data.Bytes(), os.ModePerm))
+}