Hexbear is the engine that powers Chapochat. It is a customization of the Lemmy project.
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use crate::{schema::activity, Crud};
use diesel::{dsl::*, result::Error, *};
use log::debug;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use std::{
fmt::Debug,
io::{Error as IoError, ErrorKind},
};
#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize)]
#[table_name = "activity"]
pub struct Activity {
pub id: i32,
pub user_id: i32,
pub data: Value,
pub local: bool,
pub published: chrono::NaiveDateTime,
pub updated: Option<chrono::NaiveDateTime>,
}
#[derive(Insertable, AsChangeset, Clone, Serialize, Deserialize)]
#[table_name = "activity"]
pub struct ActivityForm {
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::*;
activity.find(activity_id).first::<Self>(conn)
}
fn delete(conn: &PgConnection, activity_id: i32) -> Result<usize, Error> {
use crate::schema::activity::dsl::*;
diesel::delete(activity.find(activity_id)).execute(conn)
}
fn create(conn: &PgConnection, new_activity: &ActivityForm) -> Result<Self, Error> {
use crate::schema::activity::dsl::*;
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::*;
diesel::update(activity.find(activity_id))
.set(new_activity)
.get_result::<Self>(conn)
}
}
pub fn do_insert_activity<T>(
conn: &PgConnection,
user_id: i32,
data: &T,
local: bool,
) -> Result<Activity, IoError>
where
T: Serialize + Debug,
{
debug!("inserting activity for user {}, data {:?}", user_id, &data);
let activity_form = ActivityForm {
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),
)),
}
}
#[cfg(test)]
mod tests {
use crate::{
activity::{Activity, ActivityForm},
tests::establish_unpooled_connection,
user::{UserForm, User_},
Crud,
ListingType,
SortType,
};
use serde_json::Value;
#[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,
admin: false,
banned: false,
updated: None,
show_nsfw: false,
theme: "darkly".into(),
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: "http://fake.com".into(),
bio: None,
local: true,
private_key: None,
public_key: None,
last_refreshed_at: None,
};
let inserted_creator = User_::create(&conn, &creator_form).unwrap();
let test_json: Value = serde_json::from_str(
r#"{
"street": "Article Circle Expressway 1",
"city": "North Pole",
"postcode": "99705",
"state": "Alaska"
}"#,
)
.unwrap();
let activity_form = ActivityForm {
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 {
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 num_deleted = Activity::delete(&conn, inserted_activity.id).unwrap();
User_::delete(&conn, inserted_creator.id).unwrap();
assert_eq!(expected_activity, read_activity);
assert_eq!(expected_activity, inserted_activity);
assert_eq!(1, num_deleted);
}
}