core: Add base core::meta structs

acrate-core/src/meta.rs

@@ -0,0 +1,41 @@
+use diesel::{Associations, Identifiable, Insertable, Queryable, QueryableByName, Selectable};
+use uuid::Uuid;
+
+use super::schema;
+
+
+#[derive(Debug, Queryable, QueryableByName, Identifiable, Selectable, Insertable)]
+#[diesel(table_name = schema::meta_aliases)]
+pub struct MetaAlias {
+	pub id: Uuid,
+	pub pattern: String,
+	pub alias: String,
+}
+
+#[derive(Debug, Queryable, QueryableByName, Identifiable, Selectable, Insertable)]
+#[diesel(table_name = schema::meta_links)]
+pub struct MetaLink {
+	pub id: Uuid,
+	pub pattern: String,
+	pub rel: String,
+	pub type_: Option<String>,
+	pub href: Option<String>,
+}
+
+#[derive(Debug, Queryable, QueryableByName, Identifiable, Selectable, Insertable, Associations)]
+#[diesel(belongs_to(MetaLink))]
+#[diesel(table_name = schema::meta_link_properties)]
+pub struct MetaLinkProperty {
+	pub id: Uuid,
+	pub meta_link_id: Uuid,
+	pub rel: String,
+	pub value: Option<String>,
+}
+
+#[derive(Debug, Queryable, QueryableByName, Identifiable, Selectable, Insertable)]
+#[diesel(table_name = schema::meta_properties)]
+pub struct MetaProperty {
+	pub id: Uuid,
+	pub pattern: String,
+	pub value: Option<String>,
+}