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83 lines
2.1 KiB
83 lines
2.1 KiB
//! Module containing everything related to media attachements.
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use serde::{Deserialize, Deserializer};
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use super::Empty;
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/// A struct representing a media attachment.
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#[derive(Debug, Clone, Deserialize)]
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pub struct Attachment {
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/// ID of the attachment.
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pub id: String,
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/// The media type of an attachment.
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#[serde(rename="type")]
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pub media_type: MediaType,
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/// URL of the locally hosted version of the image.
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pub url: String,
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/// For remote images, the remote URL of the original image.
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pub remote_url: Option<String>,
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/// URL of the preview image.
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pub preview_url: String,
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/// Shorter URL for the image, for insertion into text
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/// (only present on local images)
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pub text_url: Option<String>,
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/// Meta information about the attachment.
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#[serde(deserialize_with="empty_as_none")]
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pub meta: Option<Meta>,
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/// Noop will be removed.
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pub description: Option<String>,
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}
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fn empty_as_none<'de, D: Deserializer<'de>>(val: D)
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-> Result<Option<Meta>, D::Error>
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{
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#[derive(Deserialize)]
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#[serde(untagged)]
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enum EmptyOrMeta {
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Empty(Empty),
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Meta(Meta),
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}
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Ok(match EmptyOrMeta::deserialize(val)? {
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EmptyOrMeta::Empty(_) => None,
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EmptyOrMeta::Meta(m) => Some(m),
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})
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}
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/// Information about the attachment itself.
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#[derive(Debug, Deserialize, Clone)]
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pub struct Meta {
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/// Original version.
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original: ImageDetails,
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/// Smaller version.
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small: ImageDetails,
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}
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/// Dimensions of an attachement.
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#[derive(Debug, Deserialize, Clone)]
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pub struct ImageDetails {
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/// width of attachment.
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width: u64,
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/// height of attachment.
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height: u64,
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/// A string of `widthxheight`.
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size: String,
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/// The aspect ratio of the attachment.
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aspect: f64,
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}
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/// The type of media attachment.
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#[derive(Debug, Deserialize, Clone, Copy)]
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pub enum MediaType {
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/// An image.
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#[serde(rename = "image")]
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Image,
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/// A video file.
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#[serde(rename = "video")]
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Video,
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/// A gifv format file.
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#[serde(rename = "gifv")]
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Gifv,
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/// Unknown format.
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#[serde(rename = "unknown")]
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Unknown,
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}
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