Adding some oganization features

src/db/models/collection.rs

@@ -65,4 +65,65 @@ impl Collection {
             .filter(collections::uuid.eq(uuid))
             .first::<Self>(&**conn).ok()
     }
+
+    pub fn find_by_user_uuid(uuid: &str, conn: &DbConn) -> Vec<Self> {
+        match users_collections::table
+            .filter(users_collections::user_uuid.eq(uuid))
+            .select(users_collections::columns::collection_uuid)
+            .load(&**conn) {
+                Ok(uuids) => uuids.iter().map(|uuid: &String| {
+                    Collection::find_by_uuid(uuid, &conn).unwrap()
+                }).collect(),
+                Err(list) => vec![]
+        }
+    }
+
+    pub fn find_by_uuid_and_user(uuid: &str, user_uuid: &str, conn: &DbConn) -> Option<Self> {
+        match users_collections::table
+            .filter(users_collections::collection_uuid.eq(uuid))
+            .filter(users_collections::user_uuid.eq(user_uuid))
+            .first::<CollectionUsers>(&**conn).ok() {
+                None => None,
+                Some(collection_user) => Collection::find_by_uuid(&collection_user.collection_uuid, &conn)
+        }
+    }
 }
+
+use super::User; 
+
+#[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
+#[table_name = "users_collections"]
+#[belongs_to(User, foreign_key = "user_uuid")]
+#[belongs_to(Collection, foreign_key = "collection_uuid")]
+#[primary_key(user_uuid, collection_uuid)]
+pub struct CollectionUsers {
+    pub user_uuid: String,
+    pub collection_uuid: String,
+}
+
+/// Local methods
+impl CollectionUsers {
+    pub fn new(
+        user_uuid: String,
+        collection_uuid: String,
+    ) -> Self {
+        Self {
+            user_uuid,
+            collection_uuid,
+        }
+    }
+}
+
+use db::schema::users_collections;
+
+/// Database methods
+impl CollectionUsers {
+    pub fn save(&mut self, conn: &DbConn) -> bool {
+        match diesel::replace_into(users_collections::table)
+            .values(&*self)
+            .execute(&**conn) {
+            Ok(1) => true, // One row inserted
+            _ => false,
+        }
+    }
+}