крымские наработки

app/util.go

@@ -0,0 +1,89 @@
+package app
+
+import (
+	"encoding/json"
+	"strings"
+
+	"git.macaw.me/skunky/devianter"
+)
+
+type text struct {
+	TXT  string
+	from int
+	to   int
+}
+
+func ParseDescription(dscr devianter.Text) string {
+	var parseddescription strings.Builder
+	TagBuilder := func(tag string, content string) string {
+		if tag != "" {
+			var htm strings.Builder
+			htm.WriteString("<")
+			htm.WriteString(tag)
+			htm.WriteString(">")
+
+			htm.WriteString(content)
+
+			htm.WriteString("</")
+			htm.WriteString(tag)
+			htm.WriteString(">")
+			return htm.String()
+		}
+		return content
+	}
+
+	if description, dl := dscr.Html.Markup, len(dscr.Html.Markup); dl != 0 &&
+		description[0] == '{' &&
+		description[dl-1] == '}' {
+		var descr struct {
+			Blocks []struct {
+				Key, Text, Type   string
+				InlineStyleRanges []struct {
+					Offset, Length int
+					Style          string
+				}
+			}
+		}
+		e := json.Unmarshal([]byte(description), &descr)
+		err(e)
+
+		for _, x := range descr.Blocks {
+			ranges := make(map[int]text)
+			for i, rngs := range x.InlineStyleRanges {
+				var tag string
+
+				switch rngs.Style {
+				case "BOLD":
+					tag = "b"
+				case "UNDERLINE":
+					tag = "u"
+				case "ITALIC":
+					tag = "i"
+				}
+
+				fromto := rngs.Offset + rngs.Length
+				ranges[i] = text{
+					TXT:  TagBuilder(tag, x.Text[rngs.Offset:fromto]),
+					from: rngs.Offset,
+					to:   fromto,
+				}
+			}
+
+			for _, r := range ranges {
+				var tag string
+				switch x.Type {
+				case "header-two":
+					tag = "h2"
+				case "unstyled":
+					tag = "p"
+				}
+				parseddescription.WriteString(r.TXT)
+				parseddescription.WriteString(TagBuilder(tag, x.Text[r.to:]))
+			}
+		}
+	} else if dl != 0 {
+		parseddescription.WriteString(description)
+	}
+
+	return parseddescription.String()
+}