runonce implementation

src/core/botmodules.rs

@@ -31,13 +31,16 @@ use std::sync::Arc;
 use casual_logger::Log;
 
 use chrono::DateTime;
-use chrono::Duration;
+// use chrono::Duration;
 use chrono::Local;
 use tokio::sync::RwLock;
 
 use async_trait::async_trait;
 use tokio::task::JoinHandle;
 
+use tokio::time::Instant;
+use tokio::time::{sleep, Duration};
+
 use crate::core::bot_actions::actions_util;
 use crate::core::bot_actions::ExecBodyParams;
 use crate::core::botinstance::{BotInstance, Channel,ChangeResult};
@@ -572,8 +575,9 @@ impl BotActionTrait for Listener {
     }
 }
 
-
-enum RoutineAttr {
+// #[derive(Debug, PartialEq, Eq, Hash, Clone)]
+#[derive(PartialEq, Eq, Hash)]
+pub enum RoutineAttr {
     DelayedStart,
     ScheduledStart(DateTime<Local>), // Scheduled Date (if any) after which, if not started, may trigger
     LoopDuration(Duration), // How long to wait between iterations
@@ -610,16 +614,17 @@ enum RoutineAttr {
 
 // #[derive(Debug)]
 pub struct Routine {
-    // pub name : String ,
+    pub name : String ,
     module : BotModule , // from() can determine this if passed parents_params
     // pub channel : Option<Channel> , // Routines generally run by Channel ; but can be left None
     channel : Channel , // Requiring some channel context 
     exec_body: bot_actions::actions_util::ExecBody,
-    parent_params : Option<ExecBodyParams> ,
+    // parent_params : Option<ExecBodyParams> ,
+    parent_params : ExecBodyParams ,
     join_handle : Option<JoinHandle<()>> , 
-    complete_iterations : i64 , 
-    remaining_iterations : i64 ,
     start_time : Option<DateTime<Local>> ,
+    complete_iterations : i64 , 
+    remaining_iterations : Option<i64> ,
     routine_attr : Vec<RoutineAttr> ,
 }
 
@@ -628,16 +633,37 @@ impl Routine {
 
     // Constructor
     pub fn from(
-        _module : BotModule ,
-        _channel : Channel,
-        _exec_body : bot_actions::actions_util::ExecBody ,
-        _parent_params : Option<ExecBodyParams>
-    ) -> Result<String,String> {
+        name : String ,
+        module : BotModule ,
+        channel : Channel,
+        routine_attr : Vec<RoutineAttr> ,
+        exec_body : bot_actions::actions_util::ExecBody ,
+        // parent_params : Option<ExecBodyParams>
+        parent_params : ExecBodyParams
+    // ) -> Result<String,String> {
+    ) -> Result<Routine,String> {
 
         // [ ] Validation is made against parent_params
         //   to ensure those params don't conflict
         //   conlicts would throw an error
 
+        // parent_params.unwrap(). 
+
+        if routine_attr.contains(&RoutineAttr::RunOnce) {
+            return Ok(Routine {
+                name ,
+                module ,
+                channel ,
+                exec_body ,
+                parent_params ,
+                join_handle : None ,
+                start_time : None ,
+                complete_iterations : 0 ,
+                remaining_iterations : None ,
+                routine_attr : routine_attr
+            }) ;
+        }
+
         Err("NOT IMPLEMENTED".to_string())
     }
 
@@ -652,16 +678,95 @@ impl Routine {
         Err("NOT IMPLEMENTED".to_string())
     }
 
-
-    pub fn start(&self) -> Result<String,String> 
+    pub async fn start(self) -> Result<String,String> 
     {
 
         // [ ] Asyncio Spawn likely around here 
         // [ ] & Assigns self.join_handle
 
+
+        let self_rw = Arc::new(RwLock::new(self));
+        let mut self_wr_lock = self_rw.write().await;
+        
+        if self_wr_lock.routine_attr.contains(&RoutineAttr::RunOnce) {
+            self_wr_lock.remaining_iterations = Some(1);
+
+            fn innerhelper(self_rw : Arc<RwLock<Routine>>) -> Option<JoinHandle<()>> {
+                Some(
+                tokio::spawn(async move {
+
+
+                    let mut self_wr_lock = self_rw.write().await;
+                    let mut remainingiter = self_wr_lock.remaining_iterations.unwrap(); 
+
+
+                    
+                    botlog::trace(
+                        format!(
+                            "[TRACE][Routine Started] {} in {}",
+                                self_wr_lock.name,self_wr_lock.channel.0 
+                            )
+                        .as_str(),
+                        Some(format!(
+                            "Routine > start() > (In Tokio Spawn) > {:?}",
+                            self_wr_lock.module
+                        )),
+                        Some(&self_wr_lock.parent_params.msg),
+                    );
+
+                    self_wr_lock.start_time = Some(chrono::offset::Local::now());
+
+
+                    // Loop iteration
+                    while remainingiter > 1 {
+
+                        // execution body
+                        self_wr_lock.loopbody().await;
+
+                        // end of loop iteration
+                        remainingiter -= 1;
+                        {
+                            self_wr_lock.remaining_iterations = Some(remainingiter);
+                            self_wr_lock.complete_iterations += 1;
+                        }
+                        
+                    }
+                 
+                    botlog::trace(
+                        format!(
+                            "[TRACE][Routine Completed] {} in {}",
+                                self_wr_lock.name,self_wr_lock.channel.0 
+                            )
+                        .as_str(),
+                        Some(format!(
+                            "Routine > start() > (In Tokio Spawn) > {:?}",
+                            self_wr_lock.module
+                        )),
+                        Some(&self_wr_lock.parent_params.msg),
+                    );
+
+
+                }))
+            }
+
+            self_wr_lock.join_handle = innerhelper(self_rw.clone()) ;
+            return Ok("Successfully Started Routine".to_string());
+        }
+
+
+
+
         Err("NOT IMPLEMENTED".to_string())
     }
 
+
+    async fn loopbody(&self) 
+    {
+        (self.exec_body)(
+            self.parent_params.clone()
+        ).await;
+    }
+
     pub fn stop(&self) -> Result<String,String> 
     {
         Err("NOT IMPLEMENTED".to_string())