Add a way to send messages with attachments.

src/database/entities/autumn.rs

@@ -0,0 +1,21 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+#[serde(tag = "type")]
+enum Metadata {
+    File,
+    Image { width: isize, height: isize },
+    Video { width: isize, height: isize },
+    Audio,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct File {
+    #[serde(rename = "_id")]
+    pub id: String,
+    filename: String,
+    metadata: Metadata,
+    content_type: String,
+
+    message_id: Option<String>
+}

src/database/entities/message.rs

@@ -19,6 +19,8 @@ pub struct Message {
 
     pub content: String,
     #[serde(skip_serializing_if = "Option::is_none")]
+    pub attachment: Option<File>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub edited: Option<DateTime>,
 }
 
@@ -31,6 +33,7 @@ impl Message {
             author,
 
             content,
+            attachment: None,
             edited: None,
         }
     }

src/database/entities/mod.rs

@@ -2,8 +2,10 @@ mod channel;
 mod guild;
 mod message;
 mod user;
+mod autumn;
 
 pub use channel::*;
 pub use guild::*;
 pub use message::*;
 pub use user::*;
+pub use autumn::*;