feat(database/guild): adding the database guild log management

src/database/guild.rs

@@ -0,0 +1,48 @@
+use sqlx::{
+    PgPool,
+    query_as,
+    query_scalar,
+};
+use crate::models::Guild;
+
+pub enum LogChannel {
+    Bot,
+    Category,
+    Channels,
+    Member,
+    Moderation,
+    Msg,
+    Server,
+}
+
+
+fn log_select(asked: LogChannel) -> &'static str {
+    match asked {
+        LogChannel::Bot        => "log_bot",
+        LogChannel::Category   => "log_category",
+        LogChannel::Channels   => "log_channels",
+        LogChannel::Member     => "log_member",
+        LogChannel::Moderation => "log_mod",
+        LogChannel::Msg        => "log_msg",
+        LogChannel::Server     => "log_server",
+    }
+}
+
+pub async fn get_log(db: &PgPool, guild_id: &str, asked: LogChannel) -> Result<Option<String>, sqlx::Error> {
+    let query: String = format!("SELECT {} FROM guilds WHERE guild_id = $1", log_select(asked));
+    let channel_id: Option<String> = query_scalar(&query)
+        .bind(guild_id)
+        .fetch_optional(db)
+        .await?;
+    Ok(channel_id)
+}
+
+pub async fn set_log(db: &PgPool, user_id: &str, asked: LogChannel, value: &str) -> Result<(), sqlx::Error> {
+    let query = format!("UPDATE guilds set {} = $1 WHERE guild_id = $2", log_select(asked));
+    query(&query)
+        .bind(value)
+        .bind(user_id)
+        .execute(db)
+        .await?;
+    Ok(())
+}