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108 lines
3.1 KiB
108 lines
3.1 KiB
//! Module containing everything related to media attachements.
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use serde::Deserialize;
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/// A struct representing a media attachment.
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#[derive(Debug, Clone, Deserialize, PartialEq)]
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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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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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/// Information about the attachment itself.
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#[derive(Debug, Deserialize, Clone, PartialEq)]
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pub struct Meta {
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/// Original version.
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pub original: Option<ImageDetails>,
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/// Smaller version.
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pub small: Option<ImageDetails>,
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}
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/// Dimensions of an attachement.
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#[derive(Debug, Deserialize, Clone, PartialEq)]
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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: Option<String>,
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/// The aspect ratio of the attachment.
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aspect: Option<f64>,
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}
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/// The type of media attachment.
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#[derive(Debug, Deserialize, Clone, PartialEq)]
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// Deserialize "Other" trick from https://github.com/serde-rs/serde/issues/912#issuecomment-803097289
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#[serde(remote = "MediaType")]
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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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/// An audio file.
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#[serde(rename = "audio")]
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Audio,
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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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/// Anything else
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#[serde(skip_deserializing)]
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Other(String),
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}
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use std::str::FromStr;
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use serde::de::{value, Deserializer, IntoDeserializer};
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impl FromStr for MediaType {
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type Err = value::Error;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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Self::deserialize(s.into_deserializer())
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}
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}
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impl<'de> Deserialize<'de> for MediaType {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where D: Deserializer<'de>
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{
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let s = String::deserialize(deserializer)?;
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let deserialized = Self::from_str(&s).unwrap_or_else(|_| {
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Self::Other(s)
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});
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Ok(deserialized)
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::entities::prelude::MediaType;
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use serde_json::Value;
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#[test]
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fn test_deserialize_media_type() {
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assert_eq!(MediaType::Image, serde_json::from_value(Value::String("image".to_owned())).unwrap());
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assert_eq!(MediaType::Audio, serde_json::from_value(Value::String("audio".to_owned())).unwrap());
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assert_eq!(MediaType::Other("pleroma_weird_thing".to_string()), serde_json::from_value(Value::String("pleroma_weird_thing".to_owned())).unwrap());
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}
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}
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