Extract various modules to their own files for convenience

Change-Id: I571ec98b760a583300a810abd756e5f6f2bca25a

1 files changed, 63 insertions, 0 deletions

diff --git a/src/database/settings.rs b/src/database/settings.rs
new file mode 100644
index 0000000..792a155
--- /dev/null
+++ b/src/database/settings.rs
@@ -0,0 +1,63 @@
+mod private {
+    pub trait Sealed {}
+}
+
+/// A trait for various settings that should be contained here.
+///
+/// **Note**: this trait is sealed to prevent external
+/// implementations, as it wouldn't make sense to add new settings
+/// that aren't used by Kittybox itself.
+pub trait Setting: private::Sealed + std::fmt::Debug + Default + Clone + serde::Serialize + serde::de::DeserializeOwned + /*From<Settings> +*/ Send + Sync + 'static {
+    /// The data that the setting carries.
+    type Data: std::fmt::Debug + Send + Sync;
+    /// The string ID for the setting, usable as an identifier in the database.
+    const ID: &'static str;
+
+    /// Unwrap the setting type, returning owned data contained within.
+    fn into_inner(self) -> Self::Data;
+    /// Create a new instance of this type containing certain data.
+    fn new(data: Self::Data) -> Self;
+}
+
+/// A website's title, shown in the header.
+#[derive(Debug, serde::Deserialize, serde::Serialize, Clone, PartialEq, Eq)]
+pub struct SiteName(pub(crate) String);
+impl Default for SiteName {
+    fn default() -> Self {
+        Self("Kittybox".to_string())
+    }
+}
+impl AsRef<str> for SiteName {
+    fn as_ref(&self) -> &str {
+        self.0.as_str()
+    }
+}
+impl private::Sealed for SiteName {}
+impl Setting for SiteName {
+    type Data = String;
+    const ID: &'static str = "site_name";
+
+    fn into_inner(self) -> String {
+        self.0
+    }
+    fn new(data: Self::Data) -> Self {
+        Self(data)
+    }
+}
+
+/// Participation status in the IndieWeb Webring: https://🕸💍.ws/dashboard
+#[derive(Debug, Default, serde::Deserialize, serde::Serialize, Clone, Copy, PartialEq, Eq)]
+pub struct Webring(bool);
+impl private::Sealed for Webring {}
+impl Setting for Webring {
+    type Data = bool;
+    const ID: &'static str = "webring";
+
+    fn into_inner(self) -> Self::Data {
+        self.0
+    }
+
+    fn new(data: Self::Data) -> Self {
+        Self(data)
+    }
+}