WIP

backend/infrastructure/src/video/repository.rs

@@ -2,6 +2,7 @@ use std::sync::{Arc, Mutex, MutexGuard};
 use rusqlite::{Connection, Error, Row};
 use rusqlite::fallible_iterator::FallibleIterator;
 use uuid::Uuid;
+use lumiere_domain::user::model::User;
 use crate::video::model::LibraryItemEntity;
 
 #[derive(Clone)]
@@ -85,4 +86,60 @@ impl LibraryItemSqliteRepository {
         prepared_statement.execute(rusqlite::params_from_iter(params))?;
         Ok(())
     }
+
+    pub fn get_by_id_with_all_hierarchy(&self, library_item_id: &Uuid) -> Result<Option<LibraryItemEntity>, Error> {
+        let database_connection = self.get_connection();
+
+        /*
+        Given a LibraryItem item_1:
+        LibraryItemEntity {
+            id: <id1>,
+            name: "item_1",
+            type: 0,
+            parent_item_id: <id2>
+        }
+
+        Its parent item is item_2:
+        LibraryItemEntity {
+            id: <id2>,
+            name: "item_2",
+            type: 1,
+            parent_item_id: <id3>
+        }
+
+        item_2 has a parent which is item_3:
+        LibraryItemEntity {
+            id: <id3>,
+            name: "item_3",
+            type: 0,
+            parent_item_id: NULL
+        }
+
+        TODO: Write a SQL query to retrieve all LibraryItemEntity objects. It should filter on id with a parameter.
+        This query should return something like:
+        | id    | name     | type | parent_item_id |
+        | ----- | -------- | ---- | -------------- |
+        | <id1> | 'item_1' | 0    | <id2>          |
+        | <id2> | 'item_2' | 1    | <id3>          |
+        | <id3> | 'item_3' | 1    | NULL           |
+
+        Take example on the following query and adapt it.
+         */
+        let mut prepared_statement = database_connection.prepare(
+            "SELECT
+            id,
+            name,
+            type,
+            parent_item_id
+        FROM library_item
+        WHERE id = ?1;"
+        )?;
+        let mut rows = prepared_statement.query([library_item_id.to_string()])?;
+
+        if let Some(row) = rows.next()? {
+            Ok(Some(Self::map_to_library_item(&row)?))
+        } else {
+            Ok(None)
+        }
+    }
 }