Overhaul Error handling (Option instead of Result<T, ()> + Logging changes

This commit is contained in:
Neshura 2024-05-07 23:49:55 +02:00
parent 5d708bdb82
commit b6f5c38e4a
Signed by: Neshura
GPG key ID: B6983AAA6B9A7A6C
5 changed files with 146 additions and 96 deletions

View file

@ -15,6 +15,15 @@ use serde::{Deserialize, Serialize};
use url::Url;
use systemd_journal_logger::connected_to_journal;
macro_rules! debug {
($msg:tt) => {
match connected_to_journal() {
true => log::debug!("[DEBUG] {}", $msg),
false => println!("[DEBUG] {}", $msg),
}
};
}
macro_rules! error {
($msg:tt) => {
match connected_to_journal() {
@ -124,7 +133,7 @@ impl PostInfo {
pub(crate) fn get_part_info(&self) -> Option<PartInfo> {
self.part
}
pub(crate) fn get_post_config(&self, series: &SeriesConfig) -> PostConfig {
match self.post_type {
Some(post_type) => {
@ -136,10 +145,10 @@ impl PostInfo {
None => series.prepub_community.clone(),
}
}
pub(crate) fn get_post_data(&self, series: &SeriesConfig, lemmy: &Lemmy) -> CreatePost {
let post_config = self.get_post_config(series);
let post_body = match &post_config.post_body {
PostBody::None => None,
PostBody::Description => self.get_description(),
@ -156,7 +165,7 @@ impl PostInfo {
honeypot: None,
nsfw: None,
language_id: Some(LanguageId(37)), // TODO get this id once every few hours per API request, the ordering of IDs suggests that the EN Id might change in the future
}
}
}
}
@ -252,21 +261,33 @@ impl Lemmy {
}
pub(crate) async fn post(&self, post: CreatePost) -> Result<PostId, ()> {
let response: String = self.post_data_json("/api/v3/post", &post).await?;
let json_data: PostView = self.parse_json_map(&response).await?;
pub(crate) async fn post(&self, post: CreatePost) -> Option<PostId> {
let response: String = match self.post_data_json("/api/v3/post", &post).await {
Some(data) => data,
None => return None,
};
let json_data: PostView = match self.parse_json_map(&response).await {
Some(data) => data,
None => return None,
};
Ok(json_data.post.id)
Some(json_data.post.id)
}
async fn feature(&self, params: FeaturePost) -> Result<PostView, ()> {
let response: String = self.post_data_json("/api/v3/post/feature", &params).await?;
let json_data: PostView = self.parse_json_map(&response).await?;
async fn feature(&self, params: FeaturePost) -> Option<PostView> {
let response: String = match self.post_data_json("/api/v3/post/feature", &params).await {
Some(data) => data,
None => return None,
};
let json_data: PostView = match self.parse_json_map(&response).await {
Some(data) => data,
None => return None,
};
Ok(json_data)
Some(json_data)
}
pub(crate) async fn unpin(&self, post_id: PostId, location: PostFeatureType) -> Result<PostView, ()> {
pub(crate) async fn unpin(&self, post_id: PostId, location: PostFeatureType) -> Option<PostView> {
let pin_params = FeaturePost {
post_id,
featured: false,
@ -275,7 +296,7 @@ impl Lemmy {
self.feature(pin_params).await
}
pub(crate) async fn pin(&self, post_id: PostId, location: PostFeatureType) -> Result<PostView, ()> {
pub(crate) async fn pin(&self, post_id: PostId, location: PostFeatureType) -> Option<PostView> {
let pin_params = FeaturePost {
post_id,
featured: true,
@ -284,17 +305,23 @@ impl Lemmy {
self.feature(pin_params).await
}
pub(crate) async fn get_community_pinned(&self, community: CommunityId) -> Result<Vec<PostView>, ()> {
pub(crate) async fn get_community_pinned(&self, community: CommunityId) -> Option<Vec<PostView>> {
let list_params = GetPosts {
community_id: Some(community),
type_: Some(ListingType::Local),
..Default::default()
};
let response: String = self.get_data_query("/api/v3/post/list", &list_params).await?;
let json_data: GetPostsResponse = self.parse_json(&response).await?;
let response: String = match self.get_data_query("/api/v3/post/list", &list_params).await {
Some(data) => data,
None => return None,
};
let json_data: GetPostsResponse = match self.parse_json(&response).await {
Some(data) => data,
None => return None,
};
Ok(json_data
Some(json_data
.posts
.iter()
.filter(|post| post.post.featured_community)
@ -302,16 +329,22 @@ impl Lemmy {
.collect())
}
pub(crate) async fn get_local_pinned(&self) -> Result<Vec<PostView>, ()> {
pub(crate) async fn get_local_pinned(&self) -> Option<Vec<PostView>> {
let list_params = GetPosts {
type_: Some(ListingType::Local),
..Default::default()
};
let response: String = self.get_data_query("/api/v3/post/list", &list_params).await?;
let json_data: GetPostsResponse = self.parse_json(&response).await?;
let response: String = match self.get_data_query("/api/v3/post/list", &list_params).await {
Some(data) => data,
None => return None,
};
let json_data: GetPostsResponse = match self.parse_json(&response).await {
Some(data) => data,
None => return None,
};
Ok(json_data
Some(json_data
.posts
.iter()
.filter(|post| post.post.featured_local)
@ -326,18 +359,12 @@ impl Lemmy {
};
let response: String = match self.get_data_query("/api/v3/community/list", &list_params).await {
Ok(data) => data,
Err(_) => {
error!("Unable to extract data from request");
return;
}
Some(data) => data,
None => return,
};
let json_data: ListCommunitiesResponse = match self.parse_json::<ListCommunitiesResponse>(&response).await {
Ok(data) => data,
Err(_) => {
error!("Unable to parse data from json");
return;
},
Some(data) => data,
None => return,
};
let mut communities: HashMap<String, CommunityId> = HashMap::new();
@ -349,7 +376,7 @@ impl Lemmy {
self.communities = communities;
}
async fn post_data_json<T: Serialize>(&self, route: &str, json: &T ) -> Result<String,()> {
async fn post_data_json<T: Serialize>(&self, route: &str, json: &T ) -> Option<String> {
let res = HTTP_CLIENT
.post(format!("{}{route}", &self.instance))
.bearer_auth(&self.jwt_token.to_string())
@ -359,7 +386,7 @@ impl Lemmy {
self.extract_data(res).await
}
async fn get_data_query<T: Serialize>(&self, route: &str, param: &T ) -> Result<String,()> {
async fn get_data_query<T: Serialize>(&self, route: &str, param: &T ) -> Option<String> {
let res = HTTP_CLIENT
.get(format!("{}{route}", &self.instance))
.bearer_auth(&self.jwt_token.to_string())
@ -369,42 +396,52 @@ impl Lemmy {
self.extract_data(res).await
}
async fn extract_data(&self, response: Result<reqwest::Response, reqwest::Error>) -> Result<String,()> {
async fn extract_data(&self, response: Result<reqwest::Response, reqwest::Error>) -> Option<String> {
match response {
Ok(data) => match data.text().await {
Ok(data) => Ok(data),
Err(e) => {
let err_msg = format!("{e}");
Ok(data) => {
if data.status().is_success() {
match data.text().await {
Ok(data) => Some(data),
Err(e) => {
let err_msg = format!("{e}");
error!(err_msg);
None
}
}
}
else {
let err_msg = format!("HTTP Request failed: {}", data.text().await.unwrap());
error!(err_msg);
Err(())
None
}
},
Err(e) => {
let err_msg = format!("{e}");
error!(err_msg);
Err(())
None
}
}
}
async fn parse_json<'a, T: Deserialize<'a>>(&self, response: &'a str) -> Result<T,()> {
async fn parse_json<'a, T: Deserialize<'a>>(&self, response: &'a str) -> Option<T> {
match serde_json::from_str::<T>(response) {
Ok(data) => Ok(data),
Ok(data) => Some(data),
Err(e) => {
let err_msg = format!("{e} while parsing JSON");
let err_msg = format!("while parsing JSON: {e} ");
error!(err_msg);
Err(())
None
}
}
}
async fn parse_json_map<'a, T: Deserialize<'a>>(&self, response: &'a str) -> Result<T,()> {
async fn parse_json_map<'a, T: Deserialize<'a>>(&self, response: &'a str) -> Option<T> {
debug!(response);
match serde_json::from_str::<HashMap<&str, T>>(response) {
Ok(mut data) => Ok(data.remove("post_view").expect("Element should be present")),
Ok(mut data) => Some(data.remove("post_view").expect("Element should be present")),
Err(e) => {
let err_msg = format!("{e} while parsing JSON HashMap");
let err_msg = format!("while parsing JSON HashMap: {e}");
error!(err_msg);
Err(())
None
}
}
}