File Uploads

$bolt.filesCount()

Get number of uploaded files.

count = $bolt.filesCount()

$bolt.file(nIndex)

Get uploaded file by index (1-based). Returns a list with :name, :field, :type, :size.

f = $bolt.file(1)
? f[:name]   # "photo.jpg"
? f[:field]  # "avatar"
? f[:type]   # "image/jpeg"
? f[:size]   # 102400

$bolt.files()

Get all uploaded files as a list of file lists.

aFiles = $bolt.files()
for f in aFiles
    ? f[:name]
next

$bolt.fileByField(cName)

Get first file matching a form field name.

f = $bolt.fileByField("avatar")
? f[:name]

$bolt.fileSave(nIndex, cPath)

Save uploaded file to disk.

f = $bolt.file(1)
$bolt.fileSave(1, "./uploads/" + f[:name])

Example: Handle file upload

@post("/upload", func {
    if $bolt.filesCount() > 0
        for i = 1 to $bolt.filesCount()
            f = $bolt.file(i)
            $bolt.fileSave(i, "./uploads/" + f[:name])
        next
        $bolt.json([:uploaded = $bolt.filesCount()])
    else
        $bolt.badRequest("No files uploaded")
    ok
})

Sessions JSON