1 files changed, 52 insertions, 0 deletions
diff --git a/crates/yt/src/storage/db/subscription.rs b/crates/yt/src/storage/db/subscription.rs
new file mode 100644
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+++ b/crates/yt/src/storage/db/subscription.rs
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+// yt - A fully featured command line YouTube client
+//
+// Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Yt.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
+use std::collections::HashMap;
+
+use anyhow::Result;
+use log::debug;
+use serde::{Deserialize, Serialize};
+use url::Url;
+use yt_dlp::{json_cast, json_try_get, options::YoutubeDLOptions};
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub(crate) struct Subscription {
+    /// The human readable name of this subscription
+    pub(crate) name: String,
+
+    /// The URL this subscription subscribes to
+    pub(crate) url: Url,
+}
+
+impl Subscription {
+    #[must_use]
+    pub(crate) fn new(name: String, url: Url) -> Self {
+        Self { name, url }
+    }
+}
+
+#[derive(Default, Debug)]
+pub(crate) struct Subscriptions(pub(crate) HashMap<String, Subscription>);
+
+/// Check whether an URL could be used as a subscription URL
+pub(crate) async fn check_url(url: Url) -> Result<bool> {
+    let yt_dlp = YoutubeDLOptions::new()
+        .set("playliststart", 1)
+        .set("playlistend", 10)
+        .set("noplaylist", false)
+        .set("extract_flat", "in_playlist")
+        .build()?;
+
+    let info = yt_dlp.extract_info(&url, false, false)?;
+
+    debug!("{info:#?}");
+
+    Ok(json_try_get!(info, "_type", as_str) == Some("playlist"))
+}