iridium/redsunlib
iridium/redsunlib
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Refactor Media parsing (#334)

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* Parse video data from cross_post_parent_list as vanilla Reddit does.

introduce testdata directory for testing JSON parsing functions.

refactor Media::parse for slightly more readability.

Add various test cases.

* Trim down to just refactoring

Co-authored-by: Spike <19519553+spikecodes@users.noreply.github.com>
This commit is contained in:
mikupls 2021-12-20 02:07:20 +01:00 committed by GitHub
parent 4c8b724a9d
commit 341c623be8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 13 deletions
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36
src/utils.rs
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@ -74,6 +74,7 @@ pub struct Flags {
pub stickied: bool,
}
#[derive(Debug)]
pub struct Media {
pub url: String,
pub alt_url: String,
@ -86,28 +87,41 @@ impl Media {
pub async fn parse(data: &Value) -> (String, Self, Vec<GalleryMedia>) {
let mut gallery = Vec::new();
// Define the various known places that Reddit might put video URLs.
let data_preview = &data["preview"]["reddit_video_preview"];
let secure_media = &data["secure_media"]["reddit_video"];
let crosspost_parent_media = &data["crosspost_parent_list"][0]["secure_media"]["reddit_video"];
// If post is a video, return the video
let (post_type, url_val, alt_url_val) = if data["preview"]["reddit_video_preview"]["fallback_url"].is_string() {
// Return reddit video
let (post_type, url_val, alt_url_val) = if data_preview["fallback_url"].is_string() {
(
if data["preview"]["reddit_video_preview"]["is_gif"].as_bool().unwrap_or(false) {
if data_preview["is_gif"].as_bool().unwrap_or(false) {
"gif"
} else {
"video"
},
&data["preview"]["reddit_video_preview"]["fallback_url"],
Some(&data["preview"]["reddit_video_preview"]["hls_url"]),
&data_preview["fallback_url"],
Some(&data_preview["hls_url"]),
)
} else if data["secure_media"]["reddit_video"]["fallback_url"].is_string() {
// Return reddit video
} else if secure_media["fallback_url"].is_string() {
(
if data["preview"]["reddit_video_preview"]["is_gif"].as_bool().unwrap_or(false) {
if secure_media["is_gif"].as_bool().unwrap_or(false) {
"gif"
} else {
"video"
},
&data["secure_media"]["reddit_video"]["fallback_url"],
Some(&data["secure_media"]["reddit_video"]["hls_url"]),
&secure_media["fallback_url"],
Some(&secure_media["hls_url"]),
)
} else if crosspost_parent_media["fallback_url"].is_string() {
(
if crosspost_parent_media["is_gif"].as_bool().unwrap_or(false) {
"gif"
} else {
"video"
},
&crosspost_parent_media["fallback_url"],
Some(&crosspost_parent_media["hls_url"]),
)
} else if data["post_hint"].as_str().unwrap_or("") == "image" {
// Handle images, whether GIFs or pics
@ -587,7 +601,7 @@ pub fn format_url(url: &str) -> String {
match domain {
"v.redd.it" => chain!(
capture(r"https://v\.redd\.it/(.*)/DASH_([0-9]{2,4}(\.mp4|$))", "/vid/", 2),
capture(r"https://v\.redd\.it/(.*)/DASH_([0-9]{2,4}(\.mp4|$|\?source=fallback))", "/vid/", 2),
capture(r"https://v\.redd\.it/(.+)/(HLSPlaylist\.m3u8.*)$", "/hls/", 2)
),
"i.redd.it" => capture(r"https://i\.redd\.it/(.*)", "/img/", 1),