feat: initial work on elasticsearch integration

Signed-off-by: Zomatree <me@zomatree.live>

crates/core/models/src/v0/mod.rs

@@ -14,6 +14,7 @@ mod server_members;
 mod servers;
 mod user_settings;
 mod users;
+mod search;
 
 pub use bots::*;
 pub use channel_invites::*;
@@ -31,3 +32,4 @@ pub use server_members::*;
 pub use servers::*;
 pub use user_settings::*;
 pub use users::*;
+pub use search::*;

crates/core/models/src/v0/search.rs

@@ -0,0 +1,49 @@
+use iso8601_timestamp::Timestamp;
+
+auto_derived!(
+    pub struct DataChannelMessagesSearch {
+        pub channel: Option<String>,
+        pub server: Option<String>,
+        pub offset: Option<u64>,
+        pub limit: Option<u64>,
+        pub filters: Option<DataChannelMessagesSearchFilters>,
+        pub sort: Option<SortOrder>,
+        pub include_users: Option<bool>,
+    }
+
+    pub struct DataChannelMessagesSearchFilters {
+        pub content: Option<String>,
+        pub author: Option<Vec<String>>,
+        pub mentions: Option<Vec<String>>,
+        pub role_mentions: Option<Vec<String>>,
+        pub before_date: Option<Timestamp>,
+        pub after_date: Option<Timestamp>,
+        pub author_type: Option<Vec<AuthorType>>,
+        pub pinned: Option<bool>,
+        pub components: Option<Vec<MessageComponent>>,
+    }
+
+    #[derive(Copy)]
+    pub enum AuthorType {
+        User,
+        // Bot,
+        Webhook,
+    }
+
+    #[derive(Copy)]
+    pub enum MessageComponent {
+        Image,
+        Video,
+        // Link,
+        File,
+        Embed,
+    }
+
+    #[derive(Copy, Default)]
+    #[cfg_attr(feature = "serde", serde(rename_all = "lowercase"))]
+    pub enum SortOrder {
+        Asc,
+        #[default]
+        Desc,
+    }
+);