Struct UploadValidator 

pub struct UploadValidator<'a> { /* private fields */ }

Fluent validator for uploaded files.

Obtained by calling UploadedFile::validate(). Chain .max_size() and .accept() calls, then call .check() to finalize. All constraint violations are collected before returning.

Implementations

impl<'a> UploadValidator<'a>

pub fn max_size(self, max: usize) -> Self

Reject if the file exceeds max bytes.

pub fn accept(self, pattern: &str) -> Self

Reject if the content type doesn’t match pattern.

Supports exact types ("image/png"), wildcard subtypes ("image/*"), and the catch-all "*/*". Parameters after ; in the content type are stripped before matching.

pub fn check(self) -> Result<()>

Finish validation.

Errors

Returns a 422 Unprocessable Entity error with all collected violation messages in the details payload if any rule failed.