Add message edit records + work on guilds.

src/guards/guild.rs

@@ -0,0 +1,38 @@
+use rocket::http::{ RawStr };
+use rocket::request::{ FromParam };
+use bson::{ bson, doc, from_bson };
+
+use crate::database;
+
+use database::channel::Channel;
+use database::message::Message;
+
+impl<'r> FromParam<'r> for Channel {
+    type Error = &'r RawStr;
+
+    fn from_param(param: &'r RawStr) -> Result<Self, Self::Error> {
+		let col = database::get_db().collection("channels");
+		let result = col.find_one(doc! { "_id": param.to_string() }, None).unwrap();
+
+		if let Some(channel) = result {
+			Ok(from_bson(bson::Bson::Document(channel)).expect("Failed to unwrap channel."))
+		} else {
+			Err(param)
+		}
+    }
+}
+
+impl<'r> FromParam<'r> for Message {
+    type Error = &'r RawStr;
+
+    fn from_param(param: &'r RawStr) -> Result<Self, Self::Error> {
+		let col = database::get_db().collection("messages");
+		let result = col.find_one(doc! { "_id": param.to_string() }, None).unwrap();
+
+		if let Some(message) = result {
+			Ok(from_bson(bson::Bson::Document(message)).expect("Failed to unwrap message."))
+		} else {
+			Err(param)
+		}
+    }
+}