add: notifications table

add: query_rows macro
fix: postgres driver

crates/core/src/database/notifications.rs

@@ -0,0 +1,117 @@
+use super::*;
+use crate::cache::Cache;
+use crate::model::{Error, Result, auth::Notification, auth::User, permissions::FinePermission};
+use crate::{auto_method, execute, get, query_row, query_rows};
+
+#[cfg(feature = "sqlite")]
+use rusqlite::Row;
+
+#[cfg(feature = "postgres")]
+use tokio_postgres::Row;
+
+impl DataManager {
+    /// Get a [`Reaction`] from an SQL row.
+    pub(crate) fn get_notification_from_row(
+        #[cfg(feature = "sqlite")] x: &Row<'_>,
+        #[cfg(feature = "postgres")] x: &Row,
+    ) -> Notification {
+        Notification {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            title: get!(x->2(String)),
+            content: get!(x->3(String)),
+            owner: get!(x->4(i64)) as usize,
+        }
+    }
+
+    auto_method!(get_notification_by_id()@get_notification_from_row -> "SELECT * FROM notifications WHERE id = $1" --name="notification" --returns=Notification --cache-key-tmpl="atto.notification:{}");
+
+    /// Get a reaction by `owner` and `asset`.
+    pub async fn get_notifications_by_owner(&self, owner: usize) -> Result<Vec<Notification>> {
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = query_rows!(
+            &conn,
+            "SELECT * FROM notifications WHERE owner = $1",
+            &[&(owner as i64)],
+            |x| { Self::get_notification_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("reactions".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    /// Create a new notification in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`Reaction`] object to insert
+    pub async fn create_notification(&self, data: Notification) -> Result<()> {
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "INSERT INTO reactions VALUES ($1, $2, $3, $4, $5)",
+            &[
+                &data.id.to_string().as_str(),
+                &data.created.to_string().as_str(),
+                &data.title.to_string().as_str(),
+                &data.content.to_string().as_str(),
+                &data.owner.to_string().as_str()
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        // incr notification count
+        self.incr_user_notifications(data.owner).await.unwrap();
+
+        // return
+        Ok(())
+    }
+
+    pub async fn delete_notification(&self, id: usize, user: User) -> Result<()> {
+        let notification = self.get_notification_by_id(id).await?;
+
+        if user.id != notification.owner {
+            if !user.permissions.check(FinePermission::MANAGE_NOTIFICATIONS) {
+                return Err(Error::NotAllowed);
+            }
+        }
+
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "DELETE FROM notification WHERE id = $1",
+            &[&id.to_string()]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.2.remove(format!("atto.notification:{}", id)).await;
+
+        // decr notification count
+        // self.decr_user_notifications(notification.owner)
+        //     .await
+        //     .unwrap();
+
+        // return
+        Ok(())
+    }
+}