Make mod category nullable

migrations/20210809010234_make_mod_category_nullable.sql

@@ -0,0 +1 @@
+ALTER TABLE "mods" ALTER COLUMN "category" DROP NOT NULL;

src/models/game_mod.rs

@@ -12,7 +12,7 @@ pub struct Mod {
     pub name: String,
     pub nexus_mod_id: i32,
     pub author: String,
-    pub category: String,
+    pub category: Option<String>,
     pub description: Option<String>,
     pub game_id: i32,
     pub updated_at: NaiveDateTime,
@@ -25,7 +25,7 @@ pub struct UnsavedMod<'a> {
     pub name: &'a str,
     pub nexus_mod_id: i32,
     pub author: &'a str,
-    pub category: &'a str,
+    pub category: Option<&'a str>,
     pub description: Option<&'a str>,
     pub game_id: i32,
 }
@@ -68,7 +68,7 @@ pub async fn insert(
     name: &str,
     nexus_mod_id: i32,
     author: &str,
-    category: &str,
+    category: Option<&str>,
     description: Option<&str>,
     game_id: i32,
 ) -> Result<Mod> {
@@ -103,7 +103,7 @@ pub async fn batched_insert<'a>(
         let mut names: Vec<&str> = vec![];
         let mut nexus_mod_ids: Vec<i32> = vec![];
         let mut authors: Vec<&str> = vec![];
-        let mut categories: Vec<&str> = vec![];
+        let mut categories: Vec<Option<&str>> = vec![];
         let mut descriptions: Vec<Option<&str>> = vec![];
         let mut game_ids: Vec<i32> = vec![];
         batch.into_iter().for_each(|unsaved_mod| {

src/nexus_scraper.rs

@@ -11,7 +11,7 @@ pub struct ModListResponse {
 pub struct ScrapedMod<'a> {
     pub nexus_mod_id: i32,
     pub name: &'a str,
-    pub category: &'a str,
+    pub category: Option<&'a str>,
     pub author: &'a str,
     pub desc: Option<&'a str>,
 }
@@ -89,8 +89,7 @@ impl ModListResponse {
                     .expect("Missing category link for mod");
                 let category = category_elem
                     .text()
-                    .next()
-                    .expect("Missing category text for mod");
+                    .next();
                 let author_elem = right
                     .select(&author_select)
                     .next()