From b5a90d4b041ffd905e814de9db9851fa7ca7fb13 Mon Sep 17 00:00:00 2001
From: 39bytes <zhangjeff2014@gmail.com>
Date: Thu, 30 May 2024 12:17:46 -0400
Subject: [PATCH 1/3] don't combine schedules when scraping

---
 crates/model/src/course.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/crates/model/src/course.rs b/crates/model/src/course.rs
index 713bb152..cc9804d0 100644
--- a/crates/model/src/course.rs
+++ b/crates/model/src/course.rs
@@ -72,7 +72,6 @@ impl Course {
       logical_corequisites: other
         .logical_corequisites
         .or(self.logical_corequisites),
-      schedule: Some(other.schedule.combine_opt(self.schedule)),
       ..other
     }
   }

From 3867295263cf9496d6a089032166bb2368a3717f Mon Sep 17 00:00:00 2001
From: 39bytes <zhangjeff2014@gmail.com>
Date: Fri, 31 May 2024 13:34:48 -0400
Subject: [PATCH 2/3] remove unused import

---
 crates/model/src/lib.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/crates/model/src/lib.rs b/crates/model/src/lib.rs
index 0775debb..6e3f2780 100644
--- a/crates/model/src/lib.rs
+++ b/crates/model/src/lib.rs
@@ -1,6 +1,5 @@
 use {
   bson::{doc, Bson, DateTime},
-  combine::Combine,
   derivative::Derivative,
   serde::{Deserialize, Serialize},
   std::{

From 8e9a698ccb99849b60c52ccc882d9b3760d332c4 Mon Sep 17 00:00:00 2001
From: 39bytes <zhangjeff2014@gmail.com>
Date: Thu, 30 May 2024 13:52:59 -0400
Subject: [PATCH 3/3] invalidate course schedules

---
 crates/db/src/db.rs                    | 9 +++++++++
 crates/db/src/initializer.rs           | 5 +++++
 crates/model/src/initialize_options.rs | 1 +
 src/server.rs                          | 7 +++++++
 4 files changed, 22 insertions(+)

diff --git a/crates/db/src/db.rs b/crates/db/src/db.rs
index 04991071..48f43cd1 100644
--- a/crates/db/src/db.rs
+++ b/crates/db/src/db.rs
@@ -1139,6 +1139,15 @@ impl Db {
     )
   }
 
+  pub async fn invalidate_course_schedules(&self) -> Result {
+    self
+      .database
+      .collection::<Course>(Self::COURSE_COLLECTION)
+      .update_many(doc! {}, doc! {"$set": {"schedule": null}}, None)
+      .await?;
+    Ok(())
+  }
+
   #[cfg(test)]
   async fn instructors(&self) -> Result<Vec<Instructor>> {
     Ok(
diff --git a/crates/db/src/initializer.rs b/crates/db/src/initializer.rs
index e062f444..07f0bd13 100644
--- a/crates/db/src/initializer.rs
+++ b/crates/db/src/initializer.rs
@@ -132,6 +132,11 @@ impl Initializer {
       }
     }
 
+    if self.options.invalidate_schedules {
+      info!("Invalidating course schedules...");
+      self.db.invalidate_course_schedules().await?;
+    }
+
     for seed in seeds {
       match seed {
         Seed::Courses((path, courses)) if !self.options.skip_courses => {
diff --git a/crates/model/src/initialize_options.rs b/crates/model/src/initialize_options.rs
index 276e16b2..d1219296 100644
--- a/crates/model/src/initialize_options.rs
+++ b/crates/model/src/initialize_options.rs
@@ -7,4 +7,5 @@ pub struct InitializeOptions {
   pub skip_courses: bool,
   pub skip_reviews: bool,
   pub source: PathBuf,
+  pub invalidate_schedules: bool,
 }
diff --git a/src/server.rs b/src/server.rs
index 8893db14..7cbe0138 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -18,6 +18,12 @@ pub(crate) struct Server {
   skip_courses: bool,
   #[clap(long, default_value = "false", help = "Skip review seeding")]
   skip_reviews: bool,
+  #[clap(
+    long,
+    default_value = "false",
+    help = "Overwrite course schedules instead of combining"
+  )]
+  invalidate_schedules: bool,
 }
 
 #[derive(Debug)]
@@ -65,6 +71,7 @@ impl Server {
               multithreaded: self.multithreaded,
               skip_courses: self.skip_courses,
               skip_reviews: self.skip_reviews,
+              invalidate_schedules: self.invalidate_schedules,
               source,
             })
             .await