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use crate::error::DatabaseResult;
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use crate::models::*;
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use crate::schema::*;
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use crate::PoolConnection;
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use diesel::prelude::*;
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use diesel::{delete, insert_into};
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use std::any;
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use std::fmt::Debug;
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use std::str::FromStr;
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use tokio_diesel::*;
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#[derive(Clone)]
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pub struct Database {
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pool: PoolConnection,
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}
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unsafe impl Send for Database {}
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unsafe impl Sync for Database {}
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impl Database {
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pub fn new(pool: PoolConnection) -> Self {
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Self { pool }
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}
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/// Returns a guild setting from the database
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pub async fn get_guild_setting<T: 'static>(
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&self,
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guild_id: u64,
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key: String,
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) -> DatabaseResult<Option<T>>
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where
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T: FromStr,
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{
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use guild_settings::dsl;
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log::debug!("Retrieving setting '{}' for guild {}", key, guild_id);
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let entries: Vec<GuildSetting> = dsl::guild_settings
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.filter(dsl::guild_id.eq(guild_id as i64))
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.filter(dsl::key.eq(key))
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.load_async::<GuildSetting>(&self.pool)
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.await?;
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log::trace!("Result is {:?}", entries);
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if let Some(first) = entries.first() {
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if any::TypeId::of::<T>() == any::TypeId::of::<bool>() {
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Ok(first
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.value
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.clone()
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.unwrap_or("false".to_string())
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.parse::<T>()
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.ok())
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} else {
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Ok(first.value.clone().and_then(|v| v.parse::<T>().ok()))
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}
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} else {
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return Ok(None);
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}
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}
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/// Upserting a guild setting
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pub async fn set_guild_setting<T>(
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&self,
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guild_id: u64,
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key: String,
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value: T,
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) -> DatabaseResult<()>
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where
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T: ToString + Debug,
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{
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use guild_settings::dsl;
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log::debug!("Setting '{}' to '{:?}' for guild {}", key, value, guild_id);
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insert_into(dsl::guild_settings)
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.values(GuildSettingInsert {
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guild_id: guild_id as i64,
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key: key.to_string(),
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value: value.to_string(),
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})
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.on_conflict((dsl::guild_id, dsl::key))
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.do_update()
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.set(dsl::value.eq(value.to_string()))
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.execute_async(&self.pool)
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.await?;
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Ok(())
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}
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/// Deletes a guild setting
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pub async fn delete_guild_setting(&self, guild_id: u64, key: String) -> DatabaseResult<()> {
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use guild_settings::dsl;
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delete(dsl::guild_settings)
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.filter(dsl::guild_id.eq(guild_id as i64))
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.filter(dsl::key.eq(key))
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.execute_async(&self.pool)
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.await?;
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Ok(())
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}
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/// Returns a list of all guild playlists
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pub async fn get_guild_playlists(&self, guild_id: u64) -> DatabaseResult<Vec<GuildPlaylist>> {
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use guild_playlists::dsl;
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log::debug!("Retrieving guild playlists for guild {}", guild_id);
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let playlists: Vec<GuildPlaylist> = dsl::guild_playlists
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.filter(dsl::guild_id.eq(guild_id as i64))
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.load_async::<GuildPlaylist>(&self.pool)
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.await?;
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Ok(playlists)
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}
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/// Returns a guild playlist by name
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pub async fn get_guild_playlist(
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&self,
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guild_id: u64,
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name: String,
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) -> DatabaseResult<Option<GuildPlaylist>> {
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use guild_playlists::dsl;
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log::debug!("Retriving guild playlist '{}' for guild {}", name, guild_id);
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let playlists: Vec<GuildPlaylist> = dsl::guild_playlists
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.filter(dsl::guild_id.eq(guild_id as i64))
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.filter(dsl::name.eq(name))
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.load_async::<GuildPlaylist>(&self.pool)
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.await?;
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Ok(playlists.into_iter().next())
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}
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/// Adds a new playlist to the database overwriting the old one
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pub async fn add_guild_playlist(
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&self,
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guild_id: u64,
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name: String,
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url: String,
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) -> DatabaseResult<()> {
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use guild_playlists::dsl;
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log::debug!("Inserting guild playlist '{}' for guild {}", name, guild_id);
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insert_into(dsl::guild_playlists)
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.values(GuildPlaylistInsert {
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guild_id: guild_id as i64,
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name: name.clone(),
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url: url.clone(),
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})
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.on_conflict((dsl::guild_id, dsl::name))
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.do_update()
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.set(dsl::url.eq(url))
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.execute_async(&self.pool)
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.await?;
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Ok(())
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}
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}
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