lemmy/lemmy_db/src/activity.rs

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Rust
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use crate::{schema::activity, Crud};
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use diesel::{dsl::*, result::Error, *};
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use log::debug;
use serde::Serialize;
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use serde_json::Value;
use std::{
fmt::Debug,
io::{Error as IoError, ErrorKind},
};
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#[derive(Queryable, Identifiable, PartialEq, Debug)]
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#[table_name = "activity"]
pub struct Activity {
pub id: i32,
pub ap_id: String,
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pub user_id: i32,
pub data: Value,
pub local: bool,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>,
}
#[derive(Insertable, AsChangeset)]
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#[table_name = "activity"]
pub struct ActivityForm {
pub ap_id: String,
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pub user_id: i32,
pub data: Value,
pub local: bool,
pub updated: Option<chrono::NaiveDateTime>,
}
impl Crud<ActivityForm> for Activity {
fn read(conn: &PgConnection, activity_id: i32) -> Result<Self, Error> {
use crate::schema::activity::dsl::*;
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activity.find(activity_id).first::<Self>(conn)
}
fn create(conn: &PgConnection, new_activity: &ActivityForm) -> Result<Self, Error> {
use crate::schema::activity::dsl::*;
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insert_into(activity)
.values(new_activity)
.get_result::<Self>(conn)
}
fn update(
conn: &PgConnection,
activity_id: i32,
new_activity: &ActivityForm,
) -> Result<Self, Error> {
use crate::schema::activity::dsl::*;
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diesel::update(activity.find(activity_id))
.set(new_activity)
.get_result::<Self>(conn)
}
}
impl Activity {
pub fn insert<T>(
conn: &PgConnection,
ap_id: String,
user_id: i32,
data: &T,
local: bool,
) -> Result<Self, IoError>
where
T: Serialize + Debug,
{
debug!("inserting activity for user {}: ", user_id);
debug!("{}", serde_json::to_string_pretty(&data)?);
let activity_form = ActivityForm {
ap_id,
user_id,
data: serde_json::to_value(&data)?,
local,
updated: None,
};
let result = Activity::create(&conn, &activity_form);
match result {
Ok(s) => Ok(s),
Err(e) => Err(IoError::new(
ErrorKind::Other,
format!("Failed to insert activity into database: {}", e),
)),
}
}
pub fn read_from_apub_id(conn: &PgConnection, object_id: &str) -> Result<Self, Error> {
use crate::schema::activity::dsl::*;
activity.filter(ap_id.eq(object_id)).first::<Self>(conn)
}
}
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#[cfg(test)]
mod tests {
use crate::{
activity::{Activity, ActivityForm},
tests::establish_unpooled_connection,
user::{UserForm, User_},
Crud,
ListingType,
SortType,
};
use serde_json::Value;
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#[test]
fn test_crud() {
let conn = establish_unpooled_connection();
let creator_form = UserForm {
name: "activity_creator_pm".into(),
preferred_username: None,
password_encrypted: "nope".into(),
email: None,
matrix_user_id: None,
avatar: None,
banner: None,
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admin: false,
banned: false,
published: None,
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updated: None,
show_nsfw: false,
theme: "browser".into(),
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default_sort_type: SortType::Hot as i16,
default_listing_type: ListingType::Subscribed as i16,
lang: "browser".into(),
show_avatars: true,
send_notifications_to_email: false,
actor_id: None,
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bio: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
};
let inserted_creator = User_::create(&conn, &creator_form).unwrap();
let ap_id =
"https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c";
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let test_json: Value = serde_json::from_str(
r#"{
"@context": "https://www.w3.org/ns/activitystreams",
"id": "https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c",
"type": "Delete",
"actor": "https://enterprise.lemmy.ml/u/riker",
"to": "https://www.w3.org/ns/activitystreams#Public",
"cc": [
"https://enterprise.lemmy.ml/c/main/"
],
"object": "https://enterprise.lemmy.ml/post/32"
}"#,
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)
.unwrap();
let activity_form = ActivityForm {
ap_id: ap_id.to_string(),
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user_id: inserted_creator.id,
data: test_json.to_owned(),
local: true,
updated: None,
};
let inserted_activity = Activity::create(&conn, &activity_form).unwrap();
let expected_activity = Activity {
ap_id: ap_id.to_string(),
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id: inserted_activity.id,
user_id: inserted_creator.id,
data: test_json,
local: true,
published: inserted_activity.published,
updated: None,
};
let read_activity = Activity::read(&conn, inserted_activity.id).unwrap();
let read_activity_by_apub_id = Activity::read_from_apub_id(&conn, ap_id).unwrap();
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User_::delete(&conn, inserted_creator.id).unwrap();
assert_eq!(expected_activity, read_activity);
assert_eq!(expected_activity, read_activity_by_apub_id);
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assert_eq!(expected_activity, inserted_activity);
}
}