793 lines
26 KiB
Rust
793 lines
26 KiB
Rust
use std::collections::HashMap;
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use super::*;
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use crate::cache::Cache;
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use crate::model::auth::Notification;
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use crate::model::communities_permissions::CommunityPermission;
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use crate::model::moderation::AuditLogEntry;
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use crate::model::{
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Error, Result,
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auth::User,
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communities::{Community, CommunityWriteAccess, Post, PostContext},
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permissions::FinePermission,
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};
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use crate::{auto_method, execute, get, query_row, query_rows, params};
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#[cfg(feature = "sqlite")]
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use rusqlite::Row;
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use tetratto_shared::unix_epoch_timestamp;
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#[cfg(feature = "postgres")]
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use tokio_postgres::Row;
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impl DataManager {
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/// Get a [`Post`] from an SQL row.
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pub(crate) fn get_post_from_row(
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#[cfg(feature = "sqlite")] x: &Row<'_>,
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#[cfg(feature = "postgres")] x: &Row,
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) -> Post {
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Post {
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id: get!(x->0(i64)) as usize,
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created: get!(x->1(i64)) as usize,
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content: get!(x->2(String)),
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owner: get!(x->3(i64)) as usize,
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community: get!(x->4(i64)) as usize,
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context: serde_json::from_str(&get!(x->5(String))).unwrap(),
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replying_to: get!(x->6(Option<i64>)).map(|id| id as usize),
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// likes
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likes: get!(x->7(i32)) as isize,
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dislikes: get!(x->8(i32)) as isize,
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// other counts
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comment_count: get!(x->9(i32)) as usize,
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}
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}
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auto_method!(get_post_by_id()@get_post_from_row -> "SELECT * FROM posts WHERE id = $1" --name="post" --returns=Post --cache-key-tmpl="atto.post:{}");
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/// Get all posts which are comments on the given post by ID.
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///
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/// # Arguments
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/// * `id` - the ID of the post the requested posts are commenting on
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_post_comments(
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&self,
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id: usize,
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batch: usize,
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page: usize,
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) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE replying_to = $1 ORDER BY created DESC LIMIT $2 OFFSET $3",
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&[&(id as i64), &(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get the post the given post is reposting (if some).
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pub async fn get_post_reposting(&self, post: &Post) -> Option<(User, Post)> {
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if let Some(ref repost) = post.context.repost {
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if let Some(reposting) = repost.reposting {
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let mut x = match self.get_post_by_id(reposting).await {
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Ok(p) => p,
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Err(_) => return None,
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};
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x.mark_as_repost();
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Some((
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match self.get_user_by_id(x.owner).await {
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Ok(ua) => ua,
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Err(_) => return None,
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},
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x,
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))
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} else {
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None
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}
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} else {
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None
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}
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}
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/// Complete a vector of just posts with their owner as well.
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pub async fn fill_posts(
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&self,
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posts: Vec<Post>,
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) -> Result<Vec<(Post, User, Option<(User, Post)>)>> {
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let mut out: Vec<(Post, User, Option<(User, Post)>)> = Vec::new();
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let mut users: HashMap<usize, User> = HashMap::new();
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for post in posts {
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let owner = post.owner;
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if let Some(user) = users.get(&owner) {
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out.push((
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post.clone(),
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user.clone(),
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self.get_post_reposting(&post).await,
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));
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} else {
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let user = self.get_user_by_id(owner).await?;
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users.insert(owner, user.clone());
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out.push((post.clone(), user, self.get_post_reposting(&post).await));
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}
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}
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Ok(out)
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}
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/// Complete a vector of just posts with their owner and community as well.
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pub async fn fill_posts_with_community(
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&self,
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posts: Vec<Post>,
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user_id: usize,
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) -> Result<Vec<(Post, User, Community, Option<(User, Post)>)>> {
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let mut out: Vec<(Post, User, Community, Option<(User, Post)>)> = Vec::new();
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let mut seen_before: HashMap<(usize, usize), (User, Community)> = HashMap::new();
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let mut seen_user_follow_statuses: HashMap<(usize, usize), bool> = HashMap::new();
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for post in posts {
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let owner = post.owner;
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let community = post.community;
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if let Some((user, community)) = seen_before.get(&(owner, community)) {
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out.push((
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post.clone(),
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user.clone(),
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community.to_owned(),
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self.get_post_reposting(&post).await,
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));
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} else {
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let user = self.get_user_by_id(owner).await?;
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// check relationship
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if user.settings.private_profile {
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if user_id == 0 {
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continue;
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}
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if let Some(is_following) = seen_user_follow_statuses.get(&(user.id, user_id)) {
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if !is_following && (user.id != user_id) {
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// post owner is not following us
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continue;
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}
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} else {
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if self
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.get_userfollow_by_initiator_receiver(user.id, user_id)
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.await
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.is_err()
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{
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// post owner is not following us
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seen_user_follow_statuses.insert((user.id, user_id), false);
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continue;
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}
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seen_user_follow_statuses.insert((user.id, user_id), true);
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}
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}
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// ...
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let community = self.get_community_by_id(community).await?;
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seen_before.insert((owner, community.id), (user.clone(), community.clone()));
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out.push((
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post.clone(),
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user,
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community,
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self.get_post_reposting(&post).await,
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));
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}
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}
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Ok(out)
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}
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/// Get all posts from the given user (from most recent).
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///
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/// # Arguments
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/// * `id` - the ID of the user the requested posts belong to
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_posts_by_user(
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&self,
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id: usize,
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batch: usize,
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page: usize,
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) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE owner = $1 AND replying_to = 0 AND NOT context LIKE '%\"is_profile_pinned\":true%' AND NOT context LIKE '%\"is_nsfw\":true%' ORDER BY created DESC LIMIT $2 OFFSET $3",
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&[&(id as i64), &(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get all posts from the given community (from most recent).
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///
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/// # Arguments
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/// * `id` - the ID of the community the requested posts belong to
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_posts_by_community(
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&self,
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id: usize,
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batch: usize,
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page: usize,
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) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE community = $1 AND replying_to = 0 AND NOT context LIKE '%\"is_pinned\":true%' ORDER BY created DESC LIMIT $2 OFFSET $3",
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&[&(id as i64), &(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get all pinned posts from the given community (from most recent).
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///
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/// # Arguments
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/// * `id` - the ID of the community the requested posts belong to
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pub async fn get_pinned_posts_by_community(&self, id: usize) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE community = $1 AND context LIKE '%\"is_pinned\":true%' ORDER BY created DESC",
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&[&(id as i64),],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get all pinned posts from the given user (from most recent).
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///
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/// # Arguments
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/// * `id` - the ID of the user the requested posts belong to
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pub async fn get_pinned_posts_by_user(&self, id: usize) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE owner = $1 AND context LIKE '%\"is_profile_pinned\":true%' ORDER BY created DESC",
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&[&(id as i64),],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get posts from all communities, sorted by likes.
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///
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/// # Arguments
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_popular_posts(&self, batch: usize, page: usize) -> Result<Vec<Post>> {
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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"SELECT * FROM posts WHERE replying_to = 0 AND NOT context LIKE '%\"is_nsfw\":true%' ORDER BY likes DESC, created ASC LIMIT $1 OFFSET $2",
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&[&(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get posts from all communities the given user is in.
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///
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/// # Arguments
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/// * `id` - the ID of the user
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_posts_from_user_communities(
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&self,
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id: usize,
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batch: usize,
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page: usize,
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) -> Result<Vec<Post>> {
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let memberships = self.get_memberships_by_owner(id).await?;
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let mut memberships = memberships.iter();
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let first = match memberships.next() {
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Some(f) => f,
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None => return Ok(Vec::new()),
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};
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let mut query_string: String = String::new();
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for membership in memberships {
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query_string.push_str(&format!(" OR community = {}", membership.community));
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}
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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&format!(
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"SELECT * FROM posts WHERE (community = {} {query_string}) AND replying_to = 0 ORDER BY created DESC LIMIT $1 OFFSET $2",
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first.community
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),
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&[&(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Get posts from all users the given user is following.
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///
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/// # Arguments
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/// * `id` - the ID of the user
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/// * `batch` - the limit of posts in each page
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/// * `page` - the page number
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pub async fn get_posts_from_user_following(
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&self,
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id: usize,
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batch: usize,
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page: usize,
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) -> Result<Vec<Post>> {
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let following = self.get_userfollows_by_initiator_all(id).await?;
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let mut following = following.iter();
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let first = match following.next() {
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Some(f) => f,
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None => return Ok(Vec::new()),
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};
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let mut query_string: String = String::new();
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for user in following {
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query_string.push_str(&format!(" OR owner = {}", user.receiver));
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}
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let conn = match self.connect().await {
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Ok(c) => c,
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Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
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};
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let res = query_rows!(
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&conn,
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&format!(
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"SELECT * FROM posts WHERE (owner = {} {query_string}) AND replying_to = 0 ORDER BY created DESC LIMIT $1 OFFSET $2",
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first.receiver
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),
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&[&(batch as i64), &((page * batch) as i64)],
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|x| { Self::get_post_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("post".to_string()));
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}
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Ok(res.unwrap())
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}
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/// Check if the given `uid` can post in the given `community`.
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pub async fn check_can_post(&self, community: &Community, uid: usize) -> bool {
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match community.write_access {
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CommunityWriteAccess::Owner => uid == community.owner,
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CommunityWriteAccess::Joined => {
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match self
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.get_membership_by_owner_community(uid, community.id)
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.await
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{
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Ok(m) => !(!m.role.check_member()),
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Err(_) => false,
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}
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}
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_ => true,
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}
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}
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/// Create a new journal entry in the database.
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///
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/// # Arguments
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/// * `data` - a mock [`JournalEntry`] object to insert
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pub async fn create_post(&self, mut data: Post) -> Result<usize> {
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// check values (if this isn't reposting something else)
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let is_reposting = if let Some(ref repost) = data.context.repost {
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repost.reposting.is_some()
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} else {
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false
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};
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if !is_reposting {
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if data.content.len() < 2 {
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return Err(Error::DataTooShort("content".to_string()));
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} else if data.content.len() > 4096 {
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return Err(Error::DataTooLong("content".to_string()));
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}
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}
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// check permission in community
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let community = match self.get_community_by_id(data.community).await {
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Ok(p) => p,
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Err(e) => return Err(e),
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};
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if !self.check_can_post(&community, data.owner).await {
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return Err(Error::NotAllowed);
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}
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// mirror nsfw state
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data.context.is_nsfw = community.context.is_nsfw;
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// check if we're reposting a post
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let reposting = if let Some(ref repost) = data.context.repost {
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if let Some(id) = repost.reposting {
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Some(self.get_post_by_id(id).await?)
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} else {
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None
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}
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} else {
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None
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};
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if let Some(ref rt) = reposting {
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data.context.reposts_enabled = false; // cannot repost reposts
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// make sure we aren't trying to repost a repost
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if if let Some(ref repost) = rt.context.repost {
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repost.reposting.is_some()
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} else {
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false
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} {
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return Err(Error::MiscError("Cannot repost a repost".to_string()));
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}
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// ...
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if !rt.context.reposts_enabled {
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return Err(Error::MiscError("Post has reposts disabled".to_string()));
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}
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// check blocked status
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if let Ok(_) = self
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.get_userblock_by_initiator_receiver(rt.owner, data.owner)
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.await
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{
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return Err(Error::NotAllowed);
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}
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}
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// check if the post we're replying to allows commments
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let replying_to = if let Some(id) = data.replying_to {
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Some(self.get_post_by_id(id).await?)
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} else {
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None
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};
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if let Some(ref rt) = replying_to {
|
|
if !rt.context.comments_enabled {
|
|
return Err(Error::MiscError("Post has comments disabled".to_string()));
|
|
}
|
|
|
|
// check blocked status
|
|
if let Ok(_) = self
|
|
.get_userblock_by_initiator_receiver(rt.owner, data.owner)
|
|
.await
|
|
{
|
|
return Err(Error::NotAllowed);
|
|
}
|
|
}
|
|
|
|
// send mention notifications
|
|
let mut already_notified: HashMap<String, User> = HashMap::new();
|
|
for username in User::parse_mentions(&data.content) {
|
|
let user = {
|
|
if let Some(ua) = already_notified.get(&username) {
|
|
ua.to_owned()
|
|
} else {
|
|
let user = self.get_user_by_username(&username).await?;
|
|
self.create_notification(Notification::new(
|
|
"You've been mentioned in a post!".to_string(),
|
|
format!(
|
|
"[Somebody](/api/v1/auth/user/find/{}) mentioned you in their [post](/post/{}).",
|
|
data.owner, data.id
|
|
),
|
|
user.id,
|
|
))
|
|
.await?;
|
|
already_notified.insert(username.to_owned(), user.clone());
|
|
user
|
|
}
|
|
};
|
|
|
|
data.content = data.content.replace(
|
|
&format!("@{username}"),
|
|
&format!("[@{username}](/api/v1/auth/user/find/{})", user.id),
|
|
);
|
|
}
|
|
|
|
// ...
|
|
let conn = match self.connect().await {
|
|
Ok(c) => c,
|
|
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
|
|
};
|
|
|
|
let replying_to_id = data.replying_to.unwrap_or(0).to_string();
|
|
|
|
let res = execute!(
|
|
&conn,
|
|
"INSERT INTO posts VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)",
|
|
params![
|
|
&(data.id as i64),
|
|
&(data.created as i64),
|
|
&data.content,
|
|
&(data.owner as i64),
|
|
&(data.community as i64),
|
|
&serde_json::to_string(&data.context).unwrap(),
|
|
&if replying_to_id != "0" {
|
|
replying_to_id.parse::<i64>().unwrap()
|
|
} else {
|
|
0_i64
|
|
},
|
|
&0_i32,
|
|
&0_i32,
|
|
&0_i32
|
|
]
|
|
);
|
|
|
|
if let Err(e) = res {
|
|
return Err(Error::DatabaseError(e.to_string()));
|
|
}
|
|
|
|
// incr comment count and send notification
|
|
if let Some(rt) = replying_to {
|
|
self.incr_post_comments(rt.id).await.unwrap();
|
|
|
|
// send notification
|
|
if data.owner != rt.owner {
|
|
let owner = self.get_user_by_id(data.owner).await?;
|
|
self.create_notification(Notification::new(
|
|
"Your post has received a new comment!".to_string(),
|
|
format!(
|
|
"[@{}](/api/v1/auth/user/find/{}) has commented on your [post](/post/{}).",
|
|
owner.username, owner.id, rt.id
|
|
),
|
|
rt.owner,
|
|
))
|
|
.await?;
|
|
|
|
if !rt.context.comments_enabled {
|
|
return Err(Error::NotAllowed);
|
|
}
|
|
}
|
|
}
|
|
|
|
// return
|
|
Ok(data.id)
|
|
}
|
|
|
|
pub async fn delete_post(&self, id: usize, user: User) -> Result<()> {
|
|
let y = self.get_post_by_id(id).await?;
|
|
|
|
let user_membership = self
|
|
.get_membership_by_owner_community(user.id, y.community)
|
|
.await?;
|
|
|
|
if (user.id != y.owner)
|
|
&& !user_membership
|
|
.role
|
|
.check(CommunityPermission::MANAGE_POSTS)
|
|
{
|
|
if !user.permissions.check(FinePermission::MANAGE_POSTS) {
|
|
return Err(Error::NotAllowed);
|
|
} else {
|
|
self.create_audit_log_entry(AuditLogEntry::new(
|
|
user.id,
|
|
format!("invoked `delete_post` with x value `{id}`"),
|
|
))
|
|
.await?
|
|
}
|
|
}
|
|
|
|
let conn = match self.connect().await {
|
|
Ok(c) => c,
|
|
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
|
|
};
|
|
|
|
let res = execute!(&conn, "DELETE FROM posts WHERE id = $1", &[&(id as i64)]);
|
|
|
|
if let Err(e) = res {
|
|
return Err(Error::DatabaseError(e.to_string()));
|
|
}
|
|
|
|
self.2.remove(format!("atto.post:{}", id)).await;
|
|
|
|
// decr parent comment count
|
|
if let Some(replying_to) = y.replying_to {
|
|
self.decr_post_comments(replying_to).await.unwrap();
|
|
}
|
|
|
|
// return
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn update_post_context(
|
|
&self,
|
|
id: usize,
|
|
user: User,
|
|
mut x: PostContext,
|
|
) -> Result<()> {
|
|
let y = self.get_post_by_id(id).await?;
|
|
x.repost = y.context.repost; // cannot change repost settings at all
|
|
|
|
let user_membership = self
|
|
.get_membership_by_owner_community(user.id, y.community)
|
|
.await?;
|
|
|
|
if (user.id != y.owner)
|
|
&& !user_membership
|
|
.role
|
|
.check(CommunityPermission::MANAGE_POSTS)
|
|
{
|
|
if !user.permissions.check(FinePermission::MANAGE_POSTS) {
|
|
return Err(Error::NotAllowed);
|
|
} else {
|
|
self.create_audit_log_entry(AuditLogEntry::new(
|
|
user.id,
|
|
format!("invoked `update_post_context` with x value `{id}`"),
|
|
))
|
|
.await?
|
|
}
|
|
}
|
|
|
|
// check if we can manage pins
|
|
if x.is_pinned != y.context.is_pinned
|
|
&& !user_membership.role.check(CommunityPermission::MANAGE_PINS)
|
|
{
|
|
// lacking this permission is overtaken by having the MANAGE_POSTS
|
|
// global permission
|
|
if !user.permissions.check(FinePermission::MANAGE_POSTS) {
|
|
return Err(Error::NotAllowed);
|
|
} else {
|
|
self.create_audit_log_entry(AuditLogEntry::new(
|
|
user.id,
|
|
format!("invoked `update_post_context(pinned)` with x value `{id}`"),
|
|
))
|
|
.await?
|
|
}
|
|
}
|
|
|
|
// check if we can manage profile pins
|
|
if (x.is_profile_pinned != y.context.is_profile_pinned) && (user.id != y.owner) {
|
|
if !user.permissions.check(FinePermission::MANAGE_POSTS) {
|
|
return Err(Error::NotAllowed);
|
|
} else {
|
|
self.create_audit_log_entry(AuditLogEntry::new(
|
|
user.id,
|
|
format!("invoked `update_post_context(profile_pinned)` with x value `{id}`"),
|
|
))
|
|
.await?
|
|
}
|
|
}
|
|
|
|
// ...
|
|
let conn = match self.connect().await {
|
|
Ok(c) => c,
|
|
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
|
|
};
|
|
|
|
let res = execute!(
|
|
&conn,
|
|
"UPDATE posts SET context = $1 WHERE id = $2",
|
|
params![&serde_json::to_string(&x).unwrap(), &(id as i64)]
|
|
);
|
|
|
|
if let Err(e) = res {
|
|
return Err(Error::DatabaseError(e.to_string()));
|
|
}
|
|
|
|
self.2.remove(format!("atto.post:{}", id)).await;
|
|
|
|
// return
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn update_post_content(&self, id: usize, user: User, x: String) -> Result<()> {
|
|
let mut y = self.get_post_by_id(id).await?;
|
|
|
|
if user.id != y.owner {
|
|
if !user.permissions.check(FinePermission::MANAGE_POSTS) {
|
|
return Err(Error::NotAllowed);
|
|
} else {
|
|
self.create_audit_log_entry(AuditLogEntry::new(
|
|
user.id,
|
|
format!("invoked `update_post_content` with x value `{id}`"),
|
|
))
|
|
.await?
|
|
}
|
|
}
|
|
|
|
// ...
|
|
let conn = match self.connect().await {
|
|
Ok(c) => c,
|
|
Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
|
|
};
|
|
|
|
let res = execute!(
|
|
&conn,
|
|
"UPDATE posts SET content = $1 WHERE id = $2",
|
|
params![&x, &(id as i64)]
|
|
);
|
|
|
|
if let Err(e) = res {
|
|
return Err(Error::DatabaseError(e.to_string()));
|
|
}
|
|
|
|
// update context
|
|
y.context.edited = unix_epoch_timestamp() as usize;
|
|
self.update_post_context(id, user, y.context).await?;
|
|
|
|
// return
|
|
Ok(())
|
|
}
|
|
|
|
auto_method!(incr_post_likes() -> "UPDATE posts SET likes = likes + 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --incr);
|
|
auto_method!(incr_post_dislikes() -> "UPDATE posts SET dislikes = dislikes + 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --incr);
|
|
auto_method!(decr_post_likes() -> "UPDATE posts SET likes = likes - 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --decr);
|
|
auto_method!(decr_post_dislikes() -> "UPDATE posts SET dislikes = dislikes - 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --decr);
|
|
|
|
auto_method!(incr_post_comments() -> "UPDATE posts SET comment_count = comment_count + 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --incr);
|
|
auto_method!(decr_post_comments() -> "UPDATE posts SET comment_count = comment_count - 1 WHERE id = $1" --cache-key-tmpl="atto.post:{}" --decr);
|
|
}
|