Adding code for adding message

src/repo/message.rs

@@ -0,0 +1,26 @@
+use sqlx::Row;
+
+pub async fn insert(
+    pool: &sqlx::PgPool,
+    message: &textsender_models::message::Message,
+    user_id: &uuid::Uuid,
+) -> Result<uuid::Uuid, sqlx::Error> {
+    match sqlx::query(
+        r#"
+        INSERT INTO "contacts" (content, user_id) 
+        VALUES($1, $2) RETURNING id;
+        "#,
+    )
+    .bind(&message.content)
+    .bind(user_id)
+    .fetch_one(pool)
+    .await
+    {
+        Ok(row) => {
+            let id: uuid::Uuid = row.try_get("id")?;
+            Ok(id)
+        }
+        Err(_) => Err(sqlx::Error::RowNotFound),
+    }
+}
+