tetratto/crates/core/src/database/questions.rs

530 lines
17 KiB
Rust

use std::collections::HashMap;
use oiseau::cache::Cache;
use tetratto_shared::unix_epoch_timestamp;
use crate::model::communities_permissions::CommunityPermission;
use crate::model::{
Error, Result,
communities::Question,
requests::{ActionRequest, ActionType},
auth::User,
permissions::FinePermission,
};
use crate::{auto_method, DataManager};
#[cfg(feature = "sqlite")]
use oiseau::SqliteRow;
#[cfg(feature = "postgres")]
use oiseau::PostgresRow;
use oiseau::{execute, get, query_rows, params};
impl DataManager {
/// Get a [`Question`] from an SQL row.
pub(crate) fn get_question_from_row(
#[cfg(feature = "sqlite")] x: &SqliteRow<'_>,
#[cfg(feature = "postgres")] x: &PostgresRow,
) -> Question {
Question {
id: get!(x->0(i64)) as usize,
created: get!(x->1(i64)) as usize,
owner: get!(x->2(i64)) as usize,
receiver: get!(x->3(i64)) as usize,
content: get!(x->4(String)),
is_global: get!(x->5(i32)) as i8 == 1,
answer_count: get!(x->6(i32)) as usize,
community: get!(x->7(i64)) as usize,
// likes
likes: get!(x->8(i32)) as isize,
dislikes: get!(x->9(i32)) as isize,
// ...
context: serde_json::from_str(&get!(x->10(String))).unwrap(),
ip: get!(x->11(String)),
}
}
auto_method!(get_question_by_id()@get_question_from_row -> "SELECT * FROM questions WHERE id = $1" --name="question" --returns=Question --cache-key-tmpl="atto.question:{}");
/// Fill the given vector of questions with their owner as well.
pub async fn fill_questions(
&self,
questions: Vec<Question>,
ignore_users: &[usize],
) -> Result<Vec<(Question, User)>> {
let mut out: Vec<(Question, User)> = Vec::new();
let mut seen_users: HashMap<usize, User> = HashMap::new();
for question in questions {
if ignore_users.contains(&question.owner) {
continue;
}
if let Some(ua) = seen_users.get(&question.owner) {
out.push((question, ua.to_owned()));
} else {
let user = if question.owner == 0 {
User::anonymous()
} else {
self.get_user_by_id_with_void(question.owner).await?
};
seen_users.insert(question.owner, user.clone());
out.push((question, user));
}
}
Ok(out)
}
/// Filter to update questions to clean their owner for public APIs.
pub fn questions_owner_filter(
&self,
questions: &Vec<(Question, User)>,
) -> Vec<(Question, User)> {
let mut out: Vec<(Question, User)> = Vec::new();
for mut question in questions.clone() {
question.1.clean();
out.push(question);
}
out
}
/// Get all questions by `owner`.
pub async fn get_questions_by_owner(&self, owner: usize) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE owner = $1 AND NOT context LIKE '%\"is_nsfw\":true%' ORDER BY created DESC",
&[&(owner as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get all questions by `owner` (paginated).
pub async fn get_questions_by_owner_paginated(
&self,
owner: usize,
batch: usize,
page: usize,
) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE owner = $1 AND NOT context LIKE '%\"is_nsfw\":true%' ORDER BY created DESC LIMIT $2 OFFSET $3",
&[&(owner as i64), &(batch as i64), &((page * batch) as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get all questions by `receiver`.
pub async fn get_questions_by_receiver(&self, receiver: usize) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE receiver = $1 ORDER BY created DESC",
&[&(receiver as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get all global questions by `community`.
pub async fn get_questions_by_community(
&self,
community: usize,
batch: usize,
page: usize,
) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE community = $1 AND is_global = 1 ORDER BY created DESC LIMIT $2 OFFSET $3",
&[
&(community as i64),
&(batch as i64),
&((page * batch) as i64)
],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get all global questions by the given user's following.
pub async fn get_questions_from_user_following(
&self,
id: usize,
batch: usize,
page: usize,
) -> Result<Vec<Question>> {
let following = self.get_userfollows_by_initiator_all(id).await?;
let mut following = following.iter();
let first = match following.next() {
Some(f) => f,
None => return Ok(Vec::new()),
};
let mut query_string: String = String::new();
for user in following {
query_string.push_str(&format!(" OR owner = {}", user.receiver));
}
// ...
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
&format!(
"SELECT * FROM questions WHERE (owner = {} {query_string}) AND is_global = 1 ORDER BY created DESC LIMIT $1 OFFSET $2",
first.receiver
),
&[&(batch as i64), &((page * batch) as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get all global questions posted in the given user's communities.
pub async fn get_questions_from_user_communities(
&self,
id: usize,
batch: usize,
page: usize,
) -> Result<Vec<Question>> {
let memberships = self.get_memberships_by_owner(id).await?;
let mut memberships = memberships.iter();
let first = match memberships.next() {
Some(f) => f,
None => return Ok(Vec::new()),
};
let mut query_string: String = String::new();
for membership in memberships {
query_string.push_str(&format!(" OR community = {}", membership.community));
}
// ...
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
&format!(
"SELECT * FROM questions WHERE (community = {} {query_string}) AND is_global = 1 AND NOT context LIKE '%\"is_nsfw\":true%' ORDER BY created DESC LIMIT $1 OFFSET $2",
first.community
),
&[&(batch as i64), &((page * batch) as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get global questions from all communities, sorted by creation.
///
/// # Arguments
/// * `batch` - the limit of questions in each page
/// * `page` - the page number
pub async fn get_latest_global_questions(
&self,
batch: usize,
page: usize,
) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE is_global = 1 ORDER BY created DESC LIMIT $1 OFFSET $2",
&[&(batch as i64), &((page * batch) as i64)],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Get global questions from all communities, sorted by likes.
///
/// # Arguments
/// * `batch` - the limit of questions in each page
/// * `page` - the page number
/// * `cutoff` - the maximum number of milliseconds ago the question could have been created
pub async fn get_popular_global_questions(
&self,
batch: usize,
page: usize,
cutoff: usize,
) -> Result<Vec<Question>> {
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = query_rows!(
&conn,
"SELECT * FROM questions WHERE is_global = 1 AND NOT context LIKE '%\"is_nsfw\":true%' AND ($1 - created) < $2 ORDER BY likes - dislikes DESC, created ASC LIMIT $3 OFFSET $4",
&[
&(unix_epoch_timestamp() as i64),
&(cutoff as i64),
&(batch as i64),
&((page * batch) as i64)
],
|x| { Self::get_question_from_row(x) }
);
if res.is_err() {
return Err(Error::GeneralNotFound("question".to_string()));
}
Ok(res.unwrap())
}
/// Create a new question in the database.
///
/// # Arguments
/// * `data` - a mock [`Question`] object to insert
pub async fn create_question(&self, mut data: Question) -> Result<usize> {
// check if we can post this
if data.is_global {
if data.community > 0 {
// posting to community
data.receiver = 0;
let community = self.get_community_by_id(data.community).await?;
if !community.context.enable_questions
| !self.check_can_post(&community, data.owner).await
{
return Err(Error::QuestionsDisabled);
}
// inherit nsfw status
data.context.is_nsfw = community.context.is_nsfw;
} else {
let receiver = self.get_user_by_id(data.receiver).await?;
if !receiver.settings.enable_questions {
return Err(Error::QuestionsDisabled);
}
// check for ip block
if self
.get_ipblock_by_initiator_receiver(receiver.id, &data.ip)
.await
.is_ok()
{
return Err(Error::NotAllowed);
}
}
} else {
let receiver = self.get_user_by_id(data.receiver).await?;
if !receiver.settings.enable_questions {
return Err(Error::QuestionsDisabled);
}
if !receiver.settings.allow_anonymous_questions && data.owner == 0 {
return Err(Error::NotAllowed);
}
// check for ip block
if self
.get_ipblock_by_initiator_receiver(receiver.id, &data.ip)
.await
.is_ok()
{
return Err(Error::NotAllowed);
}
}
// ...
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = execute!(
&conn,
"INSERT INTO questions VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)",
params![
&(data.id as i64),
&(data.created as i64),
&(data.owner as i64),
&(data.receiver as i64),
&data.content,
&{ if data.is_global { 1 } else { 0 } },
&0_i32,
&(data.community as i64),
&0_i32,
&0_i32,
&serde_json::to_string(&data.context).unwrap(),
&data.ip
]
);
if let Err(e) = res {
return Err(Error::DatabaseError(e.to_string()));
}
// create request
if !data.is_global {
self.create_request(ActionRequest::with_id(
data.id,
data.receiver,
ActionType::Answer,
data.id,
))
.await?;
}
// return
Ok(data.id)
}
pub async fn delete_question(&self, id: usize, user: &User) -> Result<()> {
let y = self.get_question_by_id(id).await?;
if user.id != y.owner
&& user.id != y.receiver
&& !user.permissions.check(FinePermission::MANAGE_QUESTIONS)
{
if y.community != 0 {
// check for MANAGE_QUESTIONS permission
let membership = self
.get_membership_by_owner_community_no_void(user.id, y.community)
.await?;
if !membership.role.check(CommunityPermission::MANAGE_QUESTIONS) {
return Err(Error::NotAllowed);
}
} else {
return Err(Error::NotAllowed);
}
}
let conn = match self.0.connect().await {
Ok(c) => c,
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
};
let res = execute!(
&conn,
"DELETE FROM questions WHERE id = $1",
&[&(id as i64)]
);
if let Err(e) = res {
return Err(Error::DatabaseError(e.to_string()));
}
self.0.1.remove(format!("atto.question:{}", id)).await;
// delete request (if it exists and question isn't global)
if !y.is_global
&& self
.get_request_by_id_linked_asset(y.id, y.id)
.await
.is_ok()
{
// requests are also deleted when a post is created answering the given question
// (unless the question is global)
self.delete_request(y.id, y.id, user, false).await?;
}
// delete all posts answering question
let res = execute!(
&conn,
"DELETE FROM posts WHERE context LIKE $1",
&[&format!("%\"answering\":{id}%")]
);
if let Err(e) = res {
return Err(Error::DatabaseError(e.to_string()));
}
// return
Ok(())
}
pub async fn delete_all_questions(&self, user: &User) -> Result<()> {
let y = self.get_questions_by_receiver(user.id).await?;
for x in y {
if user.id != x.receiver && !user.permissions.check(FinePermission::MANAGE_QUESTIONS) {
return Err(Error::NotAllowed);
}
self.delete_question(x.id, user).await?
}
Ok(())
}
auto_method!(incr_question_answer_count() -> "UPDATE questions SET answer_count = answer_count + 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --incr);
auto_method!(decr_question_answer_count() -> "UPDATE questions SET answer_count = answer_count - 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --decr);
auto_method!(incr_question_likes() -> "UPDATE questions SET likes = likes + 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --incr);
auto_method!(incr_question_dislikes() -> "UPDATE questions SET dislikes = dislikes + 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --incr);
auto_method!(decr_question_likes() -> "UPDATE questions SET likes = likes - 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --decr);
auto_method!(decr_question_dislikes() -> "UPDATE questions SET dislikes = dislikes - 1 WHERE id = $1" --cache-key-tmpl="atto.question:{}" --decr);
}