Make separate mod search indices per game instead

Saves significant amount of space in the json if I don't need to list a game name for every mod.

scripts/update.sh

@@ -11,7 +11,8 @@ mkdir -p plugins_data
 if [ -n "$last_update_time" ]; then
     ./target/release/mod-mapper -e cells/edits.json &>> logs/modmapper.log
     ./target/release/mod-mapper -c cells &>> logs/modmapper.log
-    ./target/release/mod-mapper -s mods/mod_search_index.json &>> logs/modmapper.log
+    ./target/release/mod-mapper -s mods/skyrimspecialedition_mod_search_index.json -g skyrimspecialedition &>> logs/modmapper.log
+    ./target/release/mod-mapper -s mods/skyrim_mod_search_index.json -g skyrim &>> logs/modmapper.log
     ./target/release/mod-mapper -M mods/mod_cell_counts.json &>> logs/modmapper.log
     ./target/release/mod-mapper -G mods/games.json &>> logs/modmapper.log
     ./target/release/mod-mapper -m mods -u "$last_update_time" &>> logs/modmapper.log
@@ -20,7 +21,8 @@ if [ -n "$last_update_time" ]; then
 else
     ./target/release/mod-mapper -e cells/edits.json &>> logs/modmapper.log
     ./target/release/mod-mapper -c cells &>> logs/modmapper.log
-    ./target/release/mod-mapper -s mods/mod_search_index.json &>> logs/modmapper.log
+    ./target/release/mod-mapper -s mods/skyrimspecialedition_mod_search_index.json -g skyrimspecialedition &>> logs/modmapper.log
+    ./target/release/mod-mapper -s mods/skyrim_mod_search_index.json -g skyrim &>> logs/modmapper.log
     ./target/release/mod-mapper -M mods/mod_cell_counts.json &>> logs/modmapper.log
     ./target/release/mod-mapper -G mods/games.json &>> logs/modmapper.log
     ./target/release/mod-mapper -m mods &>> logs/modmapper.log

src/commands/dump_mod_search_index.rs

@@ -11,18 +11,17 @@ use crate::models::game_mod;
 #[derive(Serialize)]
 struct ModForSearchIdTranslated {
     name: String,
-    game: String,
     id: i32,
 }
 
-pub async fn dump_mod_search_index(pool: &sqlx::Pool<sqlx::Postgres>, path: &str) -> Result<()> {
+pub async fn dump_mod_search_index(pool: &sqlx::Pool<sqlx::Postgres>, game: &str, path: &str) -> Result<()> {
     let mut page = 1;
     let mut search_index = vec![];
     let page_size = 20;
     let mut last_id = None;
-    let game_id_to_names: HashMap<_, _> = game::get_all(&pool).await?.into_iter().map(|game| (game.id, game.name)).collect();
+    let game_id = game::get_id_by_name(&pool, game).await?;
     loop {
-        let mods = game_mod::batched_get_for_search(&pool, page_size, last_id).await?;
+        let mods = game_mod::batched_get_for_search(&pool, game_id, page_size, last_id).await?;
         if mods.is_empty() {
             break;
         }
@@ -30,7 +29,6 @@ pub async fn dump_mod_search_index(pool: &sqlx::Pool<sqlx::Postgres>, path: &str
             info!(page = page, nexus_mod_id = mod_for_search.nexus_mod_id, "read mod name for search index");
             search_index.push(ModForSearchIdTranslated {
                 name: mod_for_search.name,
-                game: game_id_to_names.get(&mod_for_search.game_id).expect("known game id").to_string(),
                 id: mod_for_search.nexus_mod_id,
             });
             last_id = Some(mod_for_search.id);

src/main.rs

@@ -18,7 +18,7 @@ use commands::{
 };
 
 #[derive(FromArgs)]
-/// Downloads every mod off nexus mods, parses CELL and WRLD data from plugins in each, and saves the data to the database.
+/// Downloads every mod off nexus mods, parses CELL and WRLD data from plugins in each, and saves the da&ta to the database.
 struct Args {
     #[argh(option, short = 'p', default = "1")]
     /// the page number to start scraping for mods on nexus mods
@@ -100,7 +100,7 @@ pub async fn main() -> Result<()> {
         return dump_mod_data(&pool, &dir, args.updated_after).await;
     }
     if let Some(path) = args.mod_search_index {
-        return dump_mod_search_index(&pool, &path).await;
+        return dump_mod_search_index(&pool, &args.game, &path).await;
     }
     if let Some(path) = args.mod_cell_counts {
         return dump_mod_cell_counts(&pool, &path).await;

src/models/game.rs

@@ -45,3 +45,17 @@ pub async fn get_all(
     .await
     .context("Failed to fetch games")
 }
+
+#[instrument(level = "debug", skip(pool))]
+pub async fn get_id_by_name(
+    pool: &sqlx::Pool<sqlx::Postgres>,
+    name: &str,
+) -> Result<i32> {
+    sqlx::query_scalar!(
+        "SELECT id FROM games WHERE name = $1",
+        name
+    )
+    .fetch_one(pool)
+    .await
+    .context("Failed to fetch game id by name")
+}

src/models/game_mod.rs

@@ -351,6 +351,7 @@ pub async fn update_from_api_response<'a>(
 #[instrument(level = "debug", skip(pool))]
 pub async fn batched_get_for_search(
     pool: &sqlx::Pool<sqlx::Postgres>,
+    game: i32,
     page_size: i64,
     last_id: Option<i32>,
 ) -> Result<Vec<ModForSearch>> {
@@ -363,9 +364,10 @@ pub async fn batched_get_for_search(
             game_id,
             nexus_mod_id
         FROM mods
-        WHERE id > $2
+        WHERE id > $3 AND game_id = $1
         ORDER BY mods.id ASC
-        LIMIT $1",
+        LIMIT $2",
+        game,
         page_size,
         last_id,
     )