Make context owned, in hopes of async

src/cofd/dice.rs

@@ -255,7 +255,7 @@ impl DicePoolRoll {
 }
 
 /// Attach a Context to a dice pool. Needed for database access.
-pub struct DicePoolWithContext<'a>(pub &'a DicePool, pub &'a Context<'a>);
+pub struct DicePoolWithContext<'a>(pub &'a DicePool, pub &'a Context);
 
 impl Roll for DicePoolWithContext<'_> {
     type Output = Result<RolledDicePool, BotError>;

src/commands.rs

@@ -115,7 +115,7 @@ impl Command for GetVariableCommand {
 
     fn execute(&self, ctx: &Context) -> Execution {
         let name = &self.0;
-        let value = match ctx.db.get_user_variable(ctx.room_id, ctx.username, name) {
+        let value = match ctx.db.get_user_variable(&ctx.room_id, &ctx.username, name) {
             Ok(num) => format!("{} = {}", name, num),
             Err(DataError::KeyDoesNotExist(_)) => format!("{} is not set", name),
             Err(e) => format!("error getting {}: {}", name, e),
@@ -139,7 +139,7 @@ impl Command for SetVariableCommand {
         let value = self.1;
         let result = ctx
             .db
-            .set_user_variable(ctx.room_id, ctx.username, name, value);
+            .set_user_variable(&ctx.room_id, &ctx.username, name, value);
 
         let content = match result {
             Ok(_) => format!("{} = {}", name, value),
@@ -161,7 +161,10 @@ impl Command for DeleteVariableCommand {
 
     fn execute(&self, ctx: &Context) -> Execution {
         let name = &self.0;
-        let value = match ctx.db.delete_user_variable(ctx.room_id, ctx.username, name) {
+        let value = match ctx
+            .db
+            .delete_user_variable(&ctx.room_id, &ctx.username, name)
+        {
             Ok(()) => format!("{} now unset", name),
             Err(DataError::KeyDoesNotExist(_)) => format!("{} is not currently set", name),
             Err(e) => format!("error deleting {}: {}", name, e),
@@ -195,8 +198,8 @@ pub struct CommandResult {
 /// go back to Matrix, if the command was executed (successfully or
 /// not). If a command is determined to be ignored, this function will
 /// return None, signifying that we should not send a response.
-pub fn execute_command<'a>(ctx: &'a Context) -> Option<CommandResult> {
-    let res = Command::parse(ctx.message_body).map(|cmd| {
+pub fn execute_command(ctx: &Context) -> Option<CommandResult> {
+    let res = Command::parse(&ctx.message_body).map(|cmd| {
         let execution = cmd.execute(ctx);
         (execution.plain().into(), execution.html().into())
     });

src/context.rs

@@ -3,25 +3,20 @@ use crate::db::Database;
 /// A context carried through the system providing access to things
 /// like the database.
 #[derive(Clone)]
-pub struct Context<'a> {
-    pub db: &'a Database,
-    pub room_id: &'a str,
-    pub username: &'a str,
-    pub message_body: &'a str,
+pub struct Context {
+    pub db: Database,
+    pub room_id: String,
+    pub username: String,
+    pub message_body: String,
 }
 
-impl<'a> Context<'a> {
-    pub fn new(
-        db: &'a Database,
-        room_id: &'a str,
-        username: &'a str,
-        message_body: &'a str,
-    ) -> Context<'a> {
+impl Context {
+    pub fn new(db: &Database, room_id: &str, username: &str, message_body: &str) -> Context {
         Context {
-            db: db,
-            room_id: room_id,
-            username: username,
-            message_body: message_body,
+            db: db.clone(),
+            room_id: room_id.to_owned(),
+            username: username.to_owned(),
+            message_body: message_body.to_owned(),
         }
     }
 }