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use std::borrow::Cow;
/// A builder pattern struct for constructing a media attachment.
#[derive(Debug, Default, Clone, Serialize)]
pub struct MediaBuilder {
/// The file name of the attachment to be uploaded.
pub file: Cow<'static, str>,
/// The alt text of the attachment.
pub description: Option<Cow<'static, str>>,
/// The focus point for images.
pub focus: Option<(f32, f32)>,
}
impl MediaBuilder {
/// Create a new attachment from a file name.
pub fn new(file: Cow<'static, str>) -> Self {
MediaBuilder {
file,
description: None,
focus: None,
}
}
/// Set an alt text description for the attachment.
pub fn description(mut self, description: Cow<'static, str>) -> Self {
self.description = Some(description);
self
}
/// Set a focus point for an image attachment.
pub fn focus(mut self, f1: f32, f2: f32) -> Self {
self.focus = Some((f1, f2));
self
}
}
// Convenience helper so that the mastodon.media() method can be called with a
// file name only (owned string).
impl From<String> for MediaBuilder {
fn from(file: String) -> MediaBuilder {
MediaBuilder {
file: file.into(),
description: None,
focus: None,
}
}
}
// Convenience helper so that the mastodon.media() method can be called with a
// file name only (borrowed string).
impl From<&'static str> for MediaBuilder {
fn from(file: &'static str) -> MediaBuilder {
MediaBuilder {
file: file.into(),
description: None,
focus: None,
}
}
}
// Convenience helper so that the mastodon.media() method can be called with a
// file name only (Cow string).
impl From<Cow<'static, str>> for MediaBuilder {
fn from(file: Cow<'static, str>) -> MediaBuilder {
MediaBuilder {
file,
description: None,
focus: None,
}
}
}
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