Nicola Zangrandi
26bfc9c5d6
- Add pre-commit script with frontend and backend checks - Add golangci-lint configuration - Add pre-commit-checks cursor rule - Update frontend note handling and linking - Improve backend note functionality and tests - Moved build.sh to scripts directory
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package notes
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import (
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"fmt"
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"regexp"
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"time"
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"gorm.io/gorm"
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)
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// Note represents a note in the system
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type Note struct {
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ID string `json:"id" gorm:"primaryKey"`
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Title string `json:"title" gorm:"not null"`
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Content string `json:"content" gorm:"not null"`
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CreatedAt time.Time `json:"createdAt"`
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UpdatedAt time.Time `json:"updatedAt"`
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// Link relationships
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LinksTo []*Note `json:"linksTo,omitempty" gorm:"many2many:note_links;joinForeignKey:source_note_id;joinReferences:target_note_id"`
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LinkedBy []*Note `json:"linkedBy,omitempty" gorm:"many2many:note_links;joinForeignKey:target_note_id;joinReferences:source_note_id"`
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}
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// NoteLink represents a connection between two notes
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type NoteLink struct {
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SourceNoteID string `gorm:"primaryKey"`
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TargetNoteID string `gorm:"primaryKey"`
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CreatedAt time.Time `gorm:"autoCreateTime"`
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}
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// ExtractLinks finds all [[note-title]] style links in the content
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func (n *Note) ExtractLinks(content string) []string {
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re := regexp.MustCompile(`\[\[(.*?)\]\]`)
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matches := re.FindAllStringSubmatch(content, -1)
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titles := make([]string, 0, len(matches))
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for _, match := range matches {
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if len(match) > 1 {
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titles = append(titles, match[1])
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}
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}
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return titles
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}
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// UpdateLinks updates the note's links based on its content
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func (n *Note) UpdateLinks(db *gorm.DB) error {
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// Delete existing links
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if err := db.Where("source_note_id = ?", n.ID).Delete(&NoteLink{}).Error; err != nil {
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return fmt.Errorf("failed to delete existing links: %w", err)
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}
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// Extract and create new links
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titles := n.ExtractLinks(n.Content)
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for _, title := range titles {
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var target Note
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if err := db.Where("title = ?", title).First(&target).Error; err != nil {
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if err == gorm.ErrRecordNotFound {
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// Skip non-existent notes
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continue
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}
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return fmt.Errorf("failed to find target note %q: %w", title, err)
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}
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link := NoteLink{
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SourceNoteID: n.ID,
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TargetNoteID: target.ID,
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}
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if err := db.Create(&link).Error; err != nil {
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return fmt.Errorf("failed to create link to %q: %w", title, err)
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}
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}
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return nil
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}
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