Fill acitivites from various activities; Fixes #972

src/model/activity.rs

@@ -14,6 +14,37 @@ pub struct Activity {
     pub keep_until: Option<NaiveDateTime>,
 }
 
+pub struct ActivityBuilder {
+    text: String,
+    relevant_for: String,
+    keep_until: Option<NaiveDateTime>,
+}
+
+impl ActivityBuilder {
+    pub fn new(text: &str) -> Self {
+        Self {
+            text: text.into(),
+            relevant_for: String::new(),
+            keep_until: None,
+        }
+    }
+
+    pub fn relevant_for_user(self, user: &User) -> Self {
+        Self {
+            relevant_for: format!("{}user-{};", self.relevant_for, user.id),
+            ..self
+        }
+    }
+
+    pub async fn save(self, db: &SqlitePool) {
+        Activity::create(db, &self.text, &self.relevant_for, self.keep_until).await;
+    }
+
+    pub async fn save_tx(self, db: &mut Transaction<'_, Sqlite>) {
+        Activity::create_with_tx(db, &self.text, &self.relevant_for, self.keep_until).await;
+    }
+}
+
 impl Activity {
     pub async fn find_by_id(db: &SqlitePool, id: i64) -> Option<Self> {
         sqlx::query_as!(
@@ -25,7 +56,7 @@ impl Activity {
         .await
         .ok()
     }
-    pub async fn create_with_tx(
+    pub(super) async fn create_with_tx(
         db: &mut Transaction<'_, Sqlite>,
         text: &str,
         relevant_for: &str,
@@ -42,7 +73,7 @@ impl Activity {
         .unwrap();
     }
 
-    pub async fn create(
+    pub(super) async fn create(
         db: &SqlitePool,
         text: &str,
         relevant_for: &str,