117 lines
3.2 KiB
Go
117 lines
3.2 KiB
Go
package tools
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/voocel/agentcore/schema"
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"github.com/voocel/ainovel-cli/state"
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)
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// ReadChapterTool 读取章节原文，让 Agent 能回读自己和前文的文字。
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type ReadChapterTool struct {
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store *state.Store
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}
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func NewReadChapterTool(store *state.Store) *ReadChapterTool {
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return &ReadChapterTool{store: store}
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}
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func (t *ReadChapterTool) Name() string { return "read_chapter" }
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func (t *ReadChapterTool) Description() string { return "读取章节原文。可读终稿、草稿，或提取角色对话片段" }
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func (t *ReadChapterTool) Label() string { return "读取章节" }
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func (t *ReadChapterTool) Schema() map[string]any {
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return schema.Object(
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schema.Property("chapter", schema.Int("章节号（读单章时必填）")),
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schema.Property("from", schema.Int("起始章节号（读范围时使用）")),
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schema.Property("to", schema.Int("结束章节号（读范围时使用）")),
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schema.Property("source", schema.Enum("来源", "final", "draft")).Required(),
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schema.Property("character", schema.String("角色名（提取对话片段时使用）")),
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schema.Property("max_runes", schema.Int("每章最大字符数（范围读取时截取，默认 2000）")),
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)
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}
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func (t *ReadChapterTool) Execute(_ context.Context, args json.RawMessage) (json.RawMessage, error) {
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var a struct {
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Chapter int `json:"chapter"`
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From int `json:"from"`
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To int `json:"to"`
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Source string `json:"source"`
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Character string `json:"character"`
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MaxRunes int `json:"max_runes"`
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}
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if err := json.Unmarshal(args, &a); err != nil {
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return nil, fmt.Errorf("invalid args: %w", err)
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}
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// 模式 1：提取角色对话
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if a.Character != "" {
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chars, _ := t.store.LoadCharacters()
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var aliases []string
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for _, c := range chars {
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if c.Name == a.Character {
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aliases = c.Aliases
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break
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}
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}
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samples := t.store.ExtractDialogue(a.Character, aliases, 8)
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return json.Marshal(map[string]any{
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"character": a.Character,
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"samples": samples,
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})
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}
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// 模式 2：范围读取
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if a.From > 0 && a.To > 0 {
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maxRunes := a.MaxRunes
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if maxRunes <= 0 {
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maxRunes = 2000
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}
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texts, err := t.store.LoadChapterRange(a.From, a.To, maxRunes)
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if err != nil {
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return nil, fmt.Errorf("load chapter range: %w", err)
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}
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return json.Marshal(map[string]any{
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"chapters": texts,
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"from": a.From,
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"to": a.To,
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})
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}
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// 模式 3：单章读取
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if a.Chapter <= 0 {
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return nil, fmt.Errorf("chapter is required")
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}
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var content string
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var err error
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switch a.Source {
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case "draft":
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content, err = t.store.LoadDraft(a.Chapter)
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default: // final
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content, err = t.store.LoadChapterText(a.Chapter)
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if (err == nil && content == "") {
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// 回退到草稿
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content, err = t.store.LoadDraft(a.Chapter)
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}
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}
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if err != nil {
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return nil, fmt.Errorf("read chapter %d: %w", a.Chapter, err)
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}
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if content == "" {
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return json.Marshal(map[string]any{
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"chapter": a.Chapter,
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"content": "",
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"note": "章节不存在",
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})
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}
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return json.Marshal(map[string]any{
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"chapter": a.Chapter,
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"content": content,
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"word_count": len([]rune(content)),
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})
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}
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