257 lines
8.8 KiB
Rust
257 lines
8.8 KiB
Rust
use oiseau::cache::Cache;
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use crate::{
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database::posts::FullPost,
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model::{
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auth::User,
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permissions::FinePermission,
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stacks::{StackMode, StackPrivacy, StackSort, UserStack},
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Error, Result,
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},
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};
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use crate::{auto_method, DataManager};
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use oiseau::PostgresRow;
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use oiseau::{execute, get, query_rows, params};
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impl DataManager {
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/// Get a [`UserStack`] from an SQL row.
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pub(crate) fn get_stack_from_row(x: &PostgresRow) -> UserStack {
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UserStack {
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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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owner: get!(x->2(i64)) as usize,
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name: get!(x->3(String)),
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users: serde_json::from_str(&get!(x->4(String))).unwrap(),
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privacy: serde_json::from_str(&get!(x->5(String))).unwrap(),
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mode: serde_json::from_str(&get!(x->6(String))).unwrap(),
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sort: serde_json::from_str(&get!(x->7(String))).unwrap(),
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}
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}
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auto_method!(get_stack_by_id(usize as i64)@get_stack_from_row -> "SELECT * FROM stacks WHERE id = $1" --name="stack" --returns=UserStack --cache-key-tmpl="atto.stack:{}");
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pub async fn get_stack_posts(
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&self,
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as_user_id: usize,
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id: usize,
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batch: usize,
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page: usize,
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ignore_users: &Vec<usize>,
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user: &Option<User>,
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) -> Result<Vec<FullPost>> {
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let stack = self.get_stack_by_id(id).await?;
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Ok(match stack.mode {
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StackMode::Include => {
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self.fill_posts_with_community(
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self.get_posts_from_stack(id, batch, page, stack.sort)
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.await?,
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as_user_id,
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ignore_users,
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user,
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)
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.await?
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}
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StackMode::Exclude => {
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let ignore_users = [ignore_users.to_owned(), stack.users].concat();
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match stack.sort {
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StackSort::Created => {
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self.fill_posts_with_community(
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self.get_latest_posts(batch, page, &user).await?,
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as_user_id,
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&ignore_users,
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user,
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)
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.await?
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}
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StackSort::Likes => {
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self.fill_posts_with_community(
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self.get_popular_posts(batch, page, 604_800_000).await?,
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as_user_id,
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&ignore_users,
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user,
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)
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.await?
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}
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}
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}
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StackMode::BlockList => {
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return Err(Error::MiscError(
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"You should use `get_stack_users` for this type".to_string(),
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));
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}
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StackMode::Circle => {
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if !stack.users.contains(&as_user_id) && as_user_id != stack.owner {
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return Err(Error::NotAllowed);
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}
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self.fill_posts_with_community(
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self.get_posts_by_stack(stack.id, batch, page).await?,
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as_user_id,
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&ignore_users,
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user,
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)
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.await?
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}
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})
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}
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pub async fn get_stack_users(&self, id: usize, batch: usize, page: usize) -> Result<Vec<User>> {
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let stack = self.get_stack_by_id(id).await?;
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if stack.mode != StackMode::BlockList {
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return Err(Error::MiscError(
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"You should use `get_stack_posts` for this type".to_string(),
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));
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}
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// build list
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let mut out = Vec::new();
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let mut i = 0;
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for user in stack.users.iter().skip(batch * page) {
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if i == batch {
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break;
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}
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out.push(self.get_user_by_id(user.to_owned()).await?);
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i += 1;
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}
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Ok(out)
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}
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/// Get all stacks by user.
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///
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/// Also pulls stacks that are of "Circle" type AND the user is added to the `users` list.
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///
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/// # Arguments
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/// * `id` - the ID of the user to fetch stacks for
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pub async fn get_stacks_by_user(&self, id: usize) -> Result<Vec<UserStack>> {
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let conn = match self.0.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 stacks WHERE owner = $1 OR (mode = '\"Circle\"' AND users LIKE $2) ORDER BY name ASC",
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&[&(id as i64), &format!("%{id}%")],
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|x| { Self::get_stack_from_row(x) }
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);
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if res.is_err() {
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return Err(Error::GeneralNotFound("stack".to_string()));
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}
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Ok(res.unwrap())
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}
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const MAXIMUM_FREE_STACKS: usize = 5;
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pub const MAXIMUM_FREE_STACK_USERS: usize = 50;
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/// Create a new stack in the database.
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///
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/// # Arguments
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/// * `data` - a mock [`UserStack`] object to insert
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pub async fn create_stack(&self, data: UserStack) -> Result<UserStack> {
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// check values
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if data.name.len() < 2 {
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return Err(Error::DataTooShort("title".to_string()));
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} else if data.name.len() > 32 {
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return Err(Error::DataTooLong("title".to_string()));
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}
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// check number of stacks
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let owner = self.get_user_by_id(data.owner).await?;
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if !owner.permissions.check(FinePermission::SUPPORTER) {
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let stacks = self.get_stacks_by_user(data.owner).await?;
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if stacks.len() >= Self::MAXIMUM_FREE_STACKS {
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return Err(Error::MiscError(
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"You already have the maximum number of stacks you can have".to_string(),
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));
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}
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}
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// ...
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let conn = match self.0.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 = execute!(
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&conn,
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"INSERT INTO stacks VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
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params![
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&(data.id as i64),
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&(data.created as i64),
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&(data.owner as i64),
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&data.name,
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&serde_json::to_string(&data.users).unwrap(),
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&serde_json::to_string(&data.privacy).unwrap(),
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&serde_json::to_string(&data.mode).unwrap(),
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&serde_json::to_string(&data.sort).unwrap(),
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]
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);
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if let Err(e) = res {
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return Err(Error::DatabaseError(e.to_string()));
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}
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Ok(data)
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}
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pub async fn delete_stack(&self, id: usize, user: &User) -> Result<()> {
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let stack = self.get_stack_by_id(id).await?;
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// check user permission
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if user.id != stack.owner && !user.permissions.check(FinePermission::MANAGE_STACKS) {
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return Err(Error::NotAllowed);
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}
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// ...
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let conn = match self.0.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 = execute!(&conn, "DELETE FROM stacks WHERE id = $1", &[&(id as i64)]);
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if let Err(e) = res {
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return Err(Error::DatabaseError(e.to_string()));
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}
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// delete stackblocks
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let res = execute!(
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&conn,
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"DELETE FROM stackblocks WHERE stack = $1",
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&[&(id as i64)]
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);
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if let Err(e) = res {
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return Err(Error::DatabaseError(e.to_string()));
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}
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// delete posts
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let res = execute!(&conn, "DELETE FROM posts WHERE stack = $1", &[&(id as i64)]);
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if let Err(e) = res {
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return Err(Error::DatabaseError(e.to_string()));
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}
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// ...
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self.0.1.remove(format!("atto.stack:{}", id)).await;
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Ok(())
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}
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auto_method!(update_stack_name(&str)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET name = $1 WHERE id = $2" --cache-key-tmpl="atto.stack:{}");
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auto_method!(update_stack_users(Vec<usize>)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET users = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
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auto_method!(update_stack_privacy(StackPrivacy)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET privacy = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
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auto_method!(update_stack_mode(StackMode)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET mode = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
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auto_method!(update_stack_sort(StackSort)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET sort = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
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}
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