feat: 内置微信连接器并完善 Agent 查询能力

2026-08-18 12:07:01 +08:00 · 2026-07-15 20:27:05 +08:00
parent 1e97953d67
commit eaea8d8435
26 changed files with 2340 additions and 38 deletions
@@ -0,0 +1,103 @@
+package messaging
+
+import (
+	"regexp"
+	"strings"
+)
+
+var (
+	// Code blocks: strip fences, keep code content
+	reCodeBlock = regexp.MustCompile("(?s)```[^\n]*\n?(.*?)```")
+	// Inline code: strip backticks, keep content
+	reInlineCode = regexp.MustCompile("`([^`]+)`")
+	// Images: remove entirely
+	reImage = regexp.MustCompile(`!\[[^\]]*\]\([^)]*\)`)
+	// Links: keep display text only
+	reLink = regexp.MustCompile(`\[([^\]]+)\]\([^)]*\)`)
+	// Table separator rows: remove
+	reTableSep = regexp.MustCompile(`(?m)^\|[\s:|\-]+\|$`)
+	// Table rows: convert pipe-delimited to space-delimited
+	reTableRow = regexp.MustCompile(`(?m)^\|(.+)\|$`)
+	// Headers: remove # prefix
+	reHeader = regexp.MustCompile(`(?m)^#{1,6}\s+`)
+	// Bold: **text** or __text__
+	reBold = regexp.MustCompile(`\*\*(.+?)\*\*|__(.+?)__`)
+	// Italic: *text* or _text_
+	reItalic = regexp.MustCompile(`(?:^|[^*])\*([^*]+)\*(?:[^*]|$)|(?:^|[^_])_([^_]+)_(?:[^_]|$)`)
+	// Strikethrough: ~~text~~
+	reStrike = regexp.MustCompile(`~~(.+?)~~`)
+	// Blockquote: > prefix
+	reBlockquote = regexp.MustCompile(`(?m)^>\s?`)
+	// Horizontal rule
+	reHR = regexp.MustCompile(`(?m)^[-*_]{3,}\s*$`)
+	// Unordered list markers: -, *, +
+	reUL = regexp.MustCompile(`(?m)^(\s*)[-*+]\s+`)
+)
+
+// MarkdownToPlainText converts markdown to readable plain text for WeChat.
+func MarkdownToPlainText(text string) string {
+	result := text
+
+	// Code blocks: strip fences, keep code content
+	result = reCodeBlock.ReplaceAllStringFunc(result, func(match string) string {
+		parts := reCodeBlock.FindStringSubmatch(match)
+		if len(parts) > 1 {
+			return strings.TrimSpace(parts[1])
+		}
+		return match
+	})
+
+	// Images: remove entirely
+	result = reImage.ReplaceAllString(result, "")
+
+	// Links: keep display text only
+	result = reLink.ReplaceAllString(result, "$1")
+
+	// Table separator rows: remove
+	result = reTableSep.ReplaceAllString(result, "")
+
+	// Table rows: pipe-delimited to space-delimited
+	result = reTableRow.ReplaceAllStringFunc(result, func(match string) string {
+		parts := reTableRow.FindStringSubmatch(match)
+		if len(parts) > 1 {
+			cells := strings.Split(parts[1], "|")
+			for i := range cells {
+				cells[i] = strings.TrimSpace(cells[i])
+			}
+			return strings.Join(cells, "  ")
+		}
+		return match
+	})
+
+	// Headers: remove # prefix
+	result = reHeader.ReplaceAllString(result, "")
+
+	// Bold
+	result = reBold.ReplaceAllStringFunc(result, func(match string) string {
+		parts := reBold.FindStringSubmatch(match)
+		if parts[1] != "" {
+			return parts[1]
+		}
+		return parts[2]
+	})
+
+	// Strikethrough
+	result = reStrike.ReplaceAllString(result, "$1")
+
+	// Blockquote
+	result = reBlockquote.ReplaceAllString(result, "")
+
+	// Horizontal rule -> empty line
+	result = reHR.ReplaceAllString(result, "")
+
+	// Unordered list: replace markers with "• "
+	result = reUL.ReplaceAllString(result, "${1}• ")
+
+	// Inline code: strip backticks (do after code blocks)
+	result = reInlineCode.ReplaceAllString(result, "$1")
+
+	// Clean up excessive blank lines
+	result = regexp.MustCompile(`\n{3,}`).ReplaceAllString(result, "\n\n")
+
+	return strings.TrimSpace(result)
+}