Support ephemeral reminder confirmations

src/models/guild_data.rs

@@ -0,0 +1,48 @@
+use poise::serenity_prelude::GuildId;
+use sqlx::MySqlPool;
+
+pub struct GuildData {
+    pub ephemeral_confirmations: bool,
+    pub id: u32,
+}
+
+impl GuildData {
+    pub async fn from_guild(
+        guild_id: GuildId,
+        pool: &MySqlPool,
+    ) -> Result<Self, Box<dyn std::error::Error + Sync + Send>> {
+        if let Ok(c) = sqlx::query_as_unchecked!(
+            Self,
+            "SELECT id, ephemeral_confirmations FROM guilds WHERE guild = ?",
+            guild_id.0
+        )
+        .fetch_one(pool)
+        .await
+        {
+            Ok(c)
+        } else {
+            sqlx::query!("INSERT IGNORE INTO guilds (guild) VALUES (?)", guild_id.0)
+                .execute(&pool.clone())
+                .await?;
+
+            Ok(sqlx::query_as_unchecked!(
+                Self,
+                "SELECT id, ephemeral_confirmations FROM guilds WHERE guild = ?",
+                guild_id.0
+            )
+            .fetch_one(pool)
+            .await?)
+        }
+    }
+
+    pub async fn commit_changes(&self, pool: &MySqlPool) {
+        sqlx::query!(
+            "UPDATE guilds SET ephemeral_confirmations = ? WHERE id = ?",
+            self.ephemeral_confirmations,
+            self.id
+        )
+        .execute(pool)
+        .await
+        .unwrap();
+    }
+}