✨ Add plain text formatter

formatters/plain.go

@@ -0,0 +1,88 @@
+package formatters
+
+import (
+	"bytes"
+
+	"codeberg.org/danjones000/my-log/config"
+	"codeberg.org/danjones000/my-log/models"
+	"codeberg.org/danjones000/my-log/tools"
+)
+
+func newPlain(oo config.Outputs) (Formatter, error) {
+	return &PlainText{}, nil
+}
+
+type PlainText struct {
+	// config might go here some day
+}
+
+func (pt *PlainText) Name() string {
+	return "plain"
+}
+
+func (pt *PlainText) Log(log models.Log) (out []byte, err error) {
+	if len(log.Entries) == 0 {
+		return
+	}
+
+	buff := &bytes.Buffer{}
+	buff.WriteString(log.Name)
+	buff.WriteString("\n#######")
+	written := false
+	for _, e := range log.Entries {
+		bb := pt.entryBuffer(e)
+		if bb.Len() > 0 {
+			buff.WriteByte(10)
+			buff.WriteByte(10)
+			buff.ReadFrom(bb)
+			written = true
+		}
+	}
+	if written {
+		out = buff.Bytes()
+	}
+	return
+}
+
+func (pt *PlainText) entryBuffer(entry models.Entry) *bytes.Buffer {
+	buff := &bytes.Buffer{}
+	buff.WriteString("Title: ")
+	buff.WriteString(entry.Title)
+	buff.WriteByte(10)
+	buff.WriteString("Date: ")
+	buff.WriteString(entry.Date.Format(tools.DateFormat))
+	for _, m := range entry.Fields {
+		bb, err := pt.metaBuffer(m)
+		if (bb.Len() > 0) && (err == nil) {
+			buff.WriteByte(10)
+			buff.ReadFrom(bb)
+		}
+	}
+
+	return buff
+}
+
+func (pt *PlainText) Entry(entry models.Entry) ([]byte, error) {
+	buff := pt.entryBuffer(entry)
+	return buff.Bytes(), nil
+}
+
+func (pt *PlainText) metaBuffer(meta models.Meta) (*bytes.Buffer, error) {
+	buff := &bytes.Buffer{}
+	buff.WriteString(meta.Key)
+	buff.WriteString(": ")
+	n, err := tools.WriteValue(buff, meta.Value)
+	if n == 0 || err != nil {
+		return &bytes.Buffer{}, err
+	}
+	return buff, nil
+}
+
+func (pt *PlainText) Meta(meta models.Meta) (out []byte, err error) {
+	buff, err := pt.metaBuffer(meta)
+	if err != nil {
+		return
+	}
+	out = buff.Bytes()
+	return
+}