Move SQL stuff into separate models module

src/models/game_mod.rs

@@ -0,0 +1,60 @@
+use anyhow::{Context, Result};
+use chrono::NaiveDateTime;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Mod {
+    pub id: i32,
+    pub name: String,
+    pub nexus_mod_id: i32,
+    pub author: String,
+    pub category: String,
+    pub description: Option<String>,
+    pub game_id: i32,
+    pub updated_at: NaiveDateTime,
+    pub created_at: NaiveDateTime,
+}
+
+pub async fn get_mod_by_nexus_mod_id(
+    pool: &sqlx::Pool<sqlx::Postgres>,
+    nexus_mod_id: i32,
+) -> Result<Option<Mod>> {
+    sqlx::query_as!(
+        Mod,
+        "SELECT * FROM mods WHERE nexus_mod_id = $1",
+        nexus_mod_id,
+    )
+    .fetch_optional(pool)
+    .await
+    .context("Failed to get mod")
+}
+
+pub async fn insert_mod(
+    pool: &sqlx::Pool<sqlx::Postgres>,
+    name: &str,
+    nexus_mod_id: i32,
+    author: &str,
+    category: &str,
+    description: Option<&str>,
+    game_id: i32,
+) -> Result<Mod> {
+    sqlx::query_as!(
+        Mod,
+        "INSERT INTO mods
+            (name, nexus_mod_id, author, category, description, game_id, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6, now(), now())
+            ON CONFLICT (game_id, nexus_mod_id) DO UPDATE
+            SET (name, author, category, description, updated_at) =
+            (EXCLUDED.name, EXCLUDED.author, EXCLUDED.category, EXCLUDED.description, now())
+            RETURNING *",
+        name,
+        nexus_mod_id,
+        author,
+        category,
+        description,
+        game_id
+    )
+    .fetch_one(pool)
+    .await
+    .context("Failed to insert or update mod")
+}