feat: impl traits to add, get and mark read notifications for sqlx

postgres

db/db-sqlx-postgres/migrations/20220526114806_alter_notifications_table.sql

@@ -0,0 +1,3 @@
+-- Add migration script here
+ALTER TABLE mcaptcha_notifications ALTER COLUMN heading TYPE varchar(100),
+ALTER COLUMN heading SET NOT NULL;

db/db-sqlx-postgres/src/get_all_unread_notifications.sql

@@ -0,0 +1,24 @@
+-- gets all unread notifications a user has
+SELECT 
+    mcaptcha_notifications.id,
+    mcaptcha_notifications.heading,
+    mcaptcha_notifications.message,
+    mcaptcha_notifications.received,
+    mcaptcha_users.name
+FROM
+    mcaptcha_notifications 
+INNER JOIN 
+    mcaptcha_users 
+ON 
+    mcaptcha_notifications.tx = mcaptcha_users.id
+WHERE 
+    mcaptcha_notifications.rx = (
+        SELECT 
+            id 
+        FROM 
+            mcaptcha_users
+        WHERE
+            name = $1
+        )
+AND 
+    mcaptcha_notifications.read IS NULL;

db/db-sqlx-postgres/src/lib.rs

@@ -637,30 +637,98 @@ impl MCDatabase for Database {
         .map_err(|e| map_row_not_found_err(e, DBError::TrafficPatternNotFound))?;
         Ok(())
     }
+
+    /// create new notification
+    async fn create_notification(&self, p: &AddNotification) -> DBResult<()> {
+        let now = now_unix_time_stamp();
+        sqlx::query!(
+            "INSERT INTO mcaptcha_notifications (
+              heading, message, tx, rx, received)
+              VALUES  (
+              $1, $2,
+                  (SELECT ID FROM mcaptcha_users WHERE name = $3),
+                  (SELECT ID FROM mcaptcha_users WHERE name = $4),
+                  $5
+                      );",
+            p.heading,
+            p.message,
+            p.from,
+            p.to,
+            now
+        )
+        .execute(&self.pool)
+        .await
+        .map_err(map_register_err)?;
+
+        Ok(())
+    }
+
+    /// get all unread notifications
+    async fn get_all_unread_notifications(
+        &self,
+        username: &str,
+    ) -> DBResult<Vec<Notification>> {
+        let mut inner_notifications = sqlx::query_file_as!(
+            InnerNotification,
+            "./src/get_all_unread_notifications.sql",
+            &username
+        )
+        .fetch_all(&self.pool)
+        .await
+        .map_err(|e| map_row_not_found_err(e, DBError::AccountNotFound))?;
+
+        let mut notifications = Vec::with_capacity(inner_notifications.len());
+
+        inner_notifications
+            .drain(0..)
+            .for_each(|n| notifications.push(n.into()));
+
+        Ok(notifications)
+    }
+
+    /// mark a notification read
+    async fn mark_notification_read(&self, username: &str, id: i32) -> DBResult<()> {
+        sqlx::query_file_as!(
+            Notification,
+            "./src/mark_notification_read.sql",
+            id,
+            &username
+        )
+        .execute(&self.pool)
+        .await
+        .map_err(|e| map_row_not_found_err(e, DBError::NotificationNotFound))?;
+
+        Ok(())
+    }
 }
 
-fn now_unix_time_stamp() -> i64 {
+fn now_unix_time_stamp() -> OffsetDateTime {
-    OffsetDateTime::now_utc().unix_timestamp()
+    OffsetDateTime::now_utc()
 }
 
-//
+#[derive(Debug, Clone, Default, PartialEq)]
-//#[allow(non_snake_case)]
+/// Represents notification
-//struct InnerGistComment {
+pub struct InnerNotification {
-//    ID: i64,
+    /// receiver name  of the notification
-//    owner: String,
+    pub name: Option<String>,
-//    comment: Option<String>,
+    /// heading of the notification
-//    gist_public_id: String,
+    pub heading: Option<String>,
-//    created: i64,
+    /// message of the notification
-//}
+    pub message: Option<String>,
-//
+    /// when notification was received
-//impl From<InnerGistComment> for GistComment {
+    pub received: Option<OffsetDateTime>,
-//    fn from(g: InnerGistComment) -> Self {
+    /// db assigned ID of the notification
-//        Self {
+    pub id: Option<i32>,
-//            id: g.ID,
+}
-//            owner: g.owner,
+
-//            comment: g.comment.unwrap(),
+impl From<InnerNotification> for Notification {
-//            gist_public_id: g.gist_public_id,
+    fn from(n: InnerNotification) -> Self {
-//            created: g.created,
+        Notification {
-//        }
+            name: n.name,
-//    }
+            heading: n.heading,
-//}
+            message: n.message,
+            received: n.received.map(|t| t.unix_timestamp()),
+            id: n.id,
+        }
+    }
+}

db/db-sqlx-postgres/src/mark_notification_read.sql

@@ -0,0 +1,14 @@
+--  mark a notification as read
+UPDATE mcaptcha_notifications
+    SET read = TRUE
+WHERE 
+    mcaptcha_notifications.id = $1
+AND
+    mcaptcha_notifications.rx = (
+        SELECT
+            id
+        FROM
+            mcaptcha_users
+        WHERE
+        name = $2
+    );

db/db-sqlx-postgres/src/tests.rs

@@ -33,6 +33,9 @@ async fn everyting_works() {
     const CAPTCHA_SECRET: &str = "postgrescaptchasecret";
     const CAPTCHA_DESCRIPTION: &str = "postgrescaptchadescription";
     const CAPTCHA_DURATION: i32 = 30;
+    // notification config
+    const HEADING: &str = "testing notifications get db postgres";
+    const MESSAGE: &str = "testing notifications get message db postgres";
 
     // easy traffic pattern
     const TRAFFIC_PATTERN: TrafficPattern = TrafficPattern {
@@ -56,6 +59,13 @@ async fn everyting_works() {
         },
     ];
 
+    const add_notification: AddNotification = AddNotification {
+        from: NAME,
+        to: NAME,
+        message: MESSAGE,
+        heading: HEADING,
+    };
+
     let url = env::var("POSTGRES_DATABASE_URL").unwrap();
     let pool_options = PgPoolOptions::new().max_connections(2);
     let connection_options = ConnectionOptions::Fresh(Fresh { pool_options, url });
@@ -74,5 +84,5 @@ async fn everyting_works() {
         key: CAPTCHA_SECRET,
         description: CAPTCHA_DESCRIPTION,
     };
-    database_works(&db, &p, &c, &LEVELS, &TRAFFIC_PATTERN).await;
+    database_works(&db, &p, &c, &LEVELS, &TRAFFIC_PATTERN, &add_notification).await;
 }