90 lines
2.0 KiB
Go

package babble
import (
"fmt"
"time"
"dk/internal/database"
"zombiezen.com/go/sqlite"
)
// Builder provides a fluent interface for creating babble messages
type Builder struct {
babble *Babble
db *database.DB
}
// NewBuilder creates a new babble builder
func NewBuilder(db *database.DB) *Builder {
return &Builder{
babble: &Babble{
db: db,
Posted: time.Now().Unix(), // Default to current time
},
db: db,
}
}
// WithAuthor sets the author username
func (b *Builder) WithAuthor(author string) *Builder {
b.babble.Author = author
return b
}
// WithBabble sets the message content
func (b *Builder) WithBabble(message string) *Builder {
b.babble.Babble = message
return b
}
// WithMessage is an alias for WithBabble for more intuitive usage
func (b *Builder) WithMessage(message string) *Builder {
return b.WithBabble(message)
}
// WithPosted sets the posted timestamp
func (b *Builder) WithPosted(posted int64) *Builder {
b.babble.Posted = posted
return b
}
// WithPostedTime sets the posted timestamp from a time.Time
func (b *Builder) WithPostedTime(t time.Time) *Builder {
b.babble.Posted = t.Unix()
return b
}
// Create saves the babble message to the database and returns the created babble with ID
func (b *Builder) Create() (*Babble, error) {
// Use a transaction to ensure we can get the ID
var babble *Babble
err := b.db.Transaction(func(tx *database.Tx) error {
query := `INSERT INTO babble (posted, author, babble)
VALUES (?, ?, ?)`
if err := tx.Exec(query, b.babble.Posted, b.babble.Author, b.babble.Babble); err != nil {
return fmt.Errorf("failed to insert babble: %w", err)
}
// Get the last insert ID
var id int
err := tx.Query("SELECT last_insert_rowid()", func(stmt *sqlite.Stmt) error {
id = stmt.ColumnInt(0)
return nil
})
if err != nil {
return fmt.Errorf("failed to get insert ID: %w", err)
}
b.babble.ID = id
babble = b.babble
return nil
})
if err != nil {
return nil, err
}
return babble, nil
}