mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-05-10 14:02:39 +00:00
126 lines
3.7 KiB
Rust
126 lines
3.7 KiB
Rust
use crate::objects::community::ApubCommunity;
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use activitypub_federation::{
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config::Data,
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fetch::fetch_object_http,
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kinds::object::ImageType,
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protocol::values::MediaTypeMarkdown,
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};
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use lemmy_api_common::context::LemmyContext;
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use lemmy_db_schema::newtypes::DbUrl;
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use lemmy_utils::error::LemmyError;
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use serde::{de::DeserializeOwned, Deserialize, Serialize};
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use std::collections::HashMap;
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use url::Url;
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pub mod activities;
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pub(crate) mod collections;
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pub(crate) mod objects;
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct Source {
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pub(crate) content: String,
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pub(crate) media_type: MediaTypeMarkdown,
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}
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impl Source {
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pub(crate) fn new(content: String) -> Self {
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Source {
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content,
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media_type: MediaTypeMarkdown::Markdown,
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}
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}
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ImageObject {
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#[serde(rename = "type")]
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kind: ImageType,
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pub(crate) url: Url,
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}
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impl ImageObject {
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pub(crate) fn new(url: DbUrl) -> Self {
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ImageObject {
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kind: ImageType::Image,
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url: url.into(),
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}
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}
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}
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#[derive(Clone, Debug, Default, Deserialize, Serialize)]
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#[serde(transparent)]
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pub struct Unparsed(HashMap<String, serde_json::Value>);
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pub(crate) trait Id {
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fn object_id(&self) -> &Url;
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[serde(untagged)]
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pub(crate) enum IdOrNestedObject<Kind: Id> {
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Id(Url),
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NestedObject(Kind),
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}
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impl<Kind: Id + DeserializeOwned + Send> IdOrNestedObject<Kind> {
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pub(crate) fn id(&self) -> &Url {
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match self {
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IdOrNestedObject::Id(i) => i,
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IdOrNestedObject::NestedObject(n) => n.object_id(),
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}
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}
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pub(crate) async fn object(self, context: &Data<LemmyContext>) -> Result<Kind, LemmyError> {
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match self {
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// TODO: move IdOrNestedObject struct to library and make fetch_object_http private
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IdOrNestedObject::Id(i) => Ok(fetch_object_http(&i, context).await?.object),
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IdOrNestedObject::NestedObject(o) => Ok(o),
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}
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}
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}
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#[async_trait::async_trait]
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pub trait InCommunity {
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// TODO: after we use audience field and remove backwards compat, it should be possible to change
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// this to simply `fn community(&self) -> Result<ObjectId<ApubCommunity>, LemmyError>`
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async fn community(&self, context: &Data<LemmyContext>) -> Result<ApubCommunity, LemmyError>;
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}
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#[cfg(test)]
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pub(crate) mod tests {
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#![allow(clippy::unwrap_used)]
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#![allow(clippy::indexing_slicing)]
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use activitypub_federation::protocol::context::WithContext;
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use assert_json_diff::assert_json_include;
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use lemmy_utils::error::LemmyError;
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use serde::{de::DeserializeOwned, Serialize};
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use std::{collections::HashMap, fs::File, io::BufReader};
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pub(crate) fn file_to_json_object<T: DeserializeOwned>(path: &str) -> Result<T, LemmyError> {
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let file = File::open(path)?;
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let reader = BufReader::new(file);
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Ok(serde_json::from_reader(reader)?)
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}
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pub(crate) fn test_json<T: DeserializeOwned>(path: &str) -> Result<WithContext<T>, LemmyError> {
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file_to_json_object::<WithContext<T>>(path)
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}
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/// Check that json deserialize -> serialize -> deserialize gives identical file as initial one.
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/// Ensures that there are no breaking changes in sent data.
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pub(crate) fn test_parse_lemmy_item<T: Serialize + DeserializeOwned + std::fmt::Debug>(
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path: &str,
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) -> Result<T, LemmyError> {
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// parse file as T
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let parsed = file_to_json_object::<T>(path)?;
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// parse file into hashmap, which ensures that every field is included
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let raw = file_to_json_object::<HashMap<String, serde_json::Value>>(path)?;
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// assert that all fields are identical, otherwise print diff
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assert_json_include!(actual: &parsed, expected: raw);
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Ok(parsed)
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}
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}
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