2025-12-07 02:06:32 +07:00

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package story_service
import (
"context"
"encoding/json"
"fmt"
"log"
"os"
"regexp"
"strings"
)
type StoryService struct {
story *Story
}
func NewStoryService(filepath string) (*StoryService, error) {
data, err := os.ReadFile(filepath)
if err != nil {
return nil, fmt.Errorf("story file %s not found", filepath)
}
log.Printf("load story from: %s", filepath)
story := &Story{}
if err := json.Unmarshal(data, story); err != nil {
return nil, err
}
return &StoryService{story: story}, nil
}
func (s *StoryService) GetPlace(code string) *Place {
if strings.HasPrefix(code, "[") || strings.HasSuffix(code, "]") {
return &Place{
Code: code,
Name: "Не найдено",
Text: "Уважаемые детективы внимательно прочитайте правила.",
}
}
code = clearCode(code)
for _, place := range s.story.Places {
if clearCode(place.Code) == code {
re := regexp.MustCompile(`\(\[[a-zA-Zа-яА-Я\d-]+\]\)`)
text := re.ReplaceAllString(place.Text, "")
return &Place{
Code: place.Code,
Name: place.Name,
Text: text,
Applications: place.Applications,
}
}
}
return &Place{
Code: code,
Name: "Не найдено",
Text: "Такой точки не существует.",
}
}
func (s *StoryService) GetGraph(ctx context.Context) *Graph {
m := make(map[string]int32, len(s.story.Places))
nodes := make([]*GraphNode, 0, len(s.story.Places))
for i, place := range s.story.Places {
m[clearCode(place.Code)] = int32(i)
applications := make([]*GraphApplication, 0, len(place.Applications))
for _, application := range place.Applications {
applications = append(
applications,
&GraphApplication{
Name: application.Name,
},
)
}
nodes = append(
nodes, &GraphNode{
ID: int32(i),
Label: place.Code,
Name: place.Name,
Text: place.Text,
Applications: applications,
},
)
}
edges := make([]*GraphEdge, 0, len(s.story.Places)*3)
for _, place := range s.story.Places {
re := regexp.MustCompile(`\(\[[a-zA-Zа-яА-Я\d-]+\]\)`)
matches := re.FindAllString(place.Text, -1)
for _, match := range matches {
edges = append(
edges,
&GraphEdge{
From: m[clearCode(place.Code)],
To: m[clearMatch(match)],
},
)
}
}
return &Graph{
Nodes: nodes,
Edges: edges,
}
}