updage

internal/scraper/external/springdocs.go

@@ -0,0 +1,221 @@
+package scraper
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/yourorg/devour/pkg/springdocs"
+)
+
+type SpringDocsScraper struct {
+	config *Config
+	parser *springdocs.Parser
+	client *http.Client
+}
+
+func NewSpringDocsScraper(config *Config) *SpringDocsScraper {
+	return &SpringDocsScraper{
+		config: config,
+		parser: springdocs.NewParser(),
+		client: &http.Client{
+			Timeout: config.Timeout,
+		},
+	}
+}
+
+func (s *SpringDocsScraper) Scrape(ctx context.Context, source *Source) ([]*Document, error) {
+	var documents []*Document
+
+	if source.URL == "" {
+		return nil, fmt.Errorf("URL is required for Spring docs scraper")
+	}
+
+	html, err := s.fetchPage(ctx, source.URL)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch page: %w", err)
+	}
+
+	module, err := s.parser.ParseModulePage(html, source.URL)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse module: %w", err)
+	}
+
+	mainDoc := s.moduleToDocument(module, source.Name)
+	documents = append(documents, mainDoc)
+
+	for _, class := range module.Classes {
+		doc := s.classToDocument(class, module, source.Name)
+		documents = append(documents, doc)
+	}
+
+	for _, prop := range module.Properties {
+		doc := s.propertyToDocument(prop, source.Name)
+		documents = append(documents, doc)
+	}
+
+	for _, guide := range module.Guides {
+		doc := s.guideToDocument(guide, source.Name)
+		documents = append(documents, doc)
+	}
+
+	return documents, nil
+}
+
+func (s *SpringDocsScraper) DetectChanges(ctx context.Context, source *Source, lastHash string) (bool, string, error) {
+	html, err := s.fetchPage(ctx, source.URL)
+	if err != nil {
+		return false, "", err
+	}
+
+	hash := s.generateHash(html)
+	changed := hash != lastHash
+
+	return changed, hash, nil
+}
+
+func (s *SpringDocsScraper) fetchPage(ctx context.Context, url string) (string, error) {
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return "", err
+	}
+
+	req.Header.Set("User-Agent", s.config.UserAgent)
+
+	resp, err := s.client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("HTTP %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	return string(body), nil
+}
+
+func (s *SpringDocsScraper) generateHash(content string) string {
+	hash := sha256.Sum256([]byte(content))
+	return hex.EncodeToString(hash[:])
+}
+
+func (s *SpringDocsScraper) moduleToDocument(module *springdocs.Module, sourceName string) *Document {
+	var content strings.Builder
+	fmt.Fprintf(&content, "# %s\n\n", module.Name)
+	fmt.Fprintf(&content, "%s\n", module.Doc)
+
+	metadata := map[string]interface{}{
+		"module":   module.Name,
+		"version":  module.Version,
+		"doc_url":  module.DocURL,
+		"doc_type": "spring-module",
+	}
+
+	return &Document{
+		ID:        generateDocID(module.DocURL),
+		Source:    sourceName,
+		Type:      "spring-module",
+		Title:     module.Name,
+		Content:   content.String(),
+		URL:       module.DocURL,
+		Metadata:  metadata,
+		Hash:      s.generateHash(content.String()),
+		Timestamp: time.Now(),
+	}
+}
+
+func (s *SpringDocsScraper) classToDocument(class *springdocs.Class, module *springdocs.Module, sourceName string) *Document {
+	var content strings.Builder
+	fmt.Fprintf(&content, "# %s\n\n", class.QualifiedName)
+	fmt.Fprintf(&content, "%s\n", class.Doc)
+
+	if len(class.Methods) > 0 {
+		fmt.Fprintf(&content, "\n## Methods\n")
+		for _, m := range class.Methods {
+			fmt.Fprintf(&content, "- `%s`\n", m.Signature)
+		}
+	}
+
+	metadata := map[string]interface{}{
+		"module":         module.Name,
+		"qualified_name": class.QualifiedName,
+		"kind":           class.Kind,
+		"doc_url":        class.DocURL,
+	}
+
+	return &Document{
+		ID:        generateDocID(class.DocURL),
+		Source:    sourceName,
+		Type:      "spring-class",
+		Title:     class.QualifiedName,
+		Content:   content.String(),
+		URL:       class.DocURL,
+		Metadata:  metadata,
+		Hash:      s.generateHash(content.String()),
+		Timestamp: time.Now(),
+	}
+}
+
+func (s *SpringDocsScraper) propertyToDocument(prop *springdocs.Property, sourceName string) *Document {
+	var content strings.Builder
+	fmt.Fprintf(&content, "# %s\n\n", prop.Name)
+	fmt.Fprintf(&content, "Type: %s\n", prop.Type)
+	if prop.Default != "" {
+		fmt.Fprintf(&content, "Default: `%s`\n", prop.Default)
+	}
+	fmt.Fprintf(&content, "\n%s\n", prop.Doc)
+
+	metadata := map[string]interface{}{
+		"property": prop.Name,
+		"type":     prop.Type,
+		"default":  prop.Default,
+		"doc_url":  prop.DocURL,
+	}
+
+	return &Document{
+		ID:        generateDocID(prop.Name),
+		Source:    sourceName,
+		Type:      "spring-property",
+		Title:     prop.Name,
+		Content:   content.String(),
+		URL:       prop.DocURL,
+		Metadata:  metadata,
+		Hash:      s.generateHash(content.String()),
+		Timestamp: time.Now(),
+	}
+}
+
+func (s *SpringDocsScraper) guideToDocument(guide *springdocs.Guide, sourceName string) *Document {
+	var content strings.Builder
+	fmt.Fprintf(&content, "# %s\n\n", guide.Title)
+	fmt.Fprintf(&content, "%s\n", guide.Description)
+
+	metadata := map[string]interface{}{
+		"title":    guide.Title,
+		"doc_url":  guide.DocURL,
+		"level":    guide.Level,
+		"doc_type": "spring-guide",
+	}
+
+	return &Document{
+		ID:        generateDocID(guide.DocURL),
+		Source:    sourceName,
+		Type:      "spring-guide",
+		Title:     guide.Title,
+		Content:   content.String(),
+		URL:       guide.DocURL,
+		Metadata:  metadata,
+		Hash:      s.generateHash(content.String()),
+		Timestamp: time.Now(),
+	}
+}