Testing bug fixes (#788)

* fixes

* adds tests- fixes failures

* changes

* moved transaction commits/caches around

* collections nullable

* merge fixes

* sqlx prepare

* revs

* lf fixes

* made changes back

* added collections update

---------

Co-authored-by: Geometrically <18202329+Geometrically@users.noreply.github.com>

tests/common/api_common/models.rs

@@ -11,7 +11,7 @@ use labrinth::models::{
     users::{User, UserId},
 };
 use rust_decimal::Decimal;
-use serde::Deserialize;
+use serde::{Deserialize, Serialize};
 
 // Fields shared by every version of the API.
 // No struct in here should have ANY field that
@@ -119,3 +119,23 @@ pub struct CommonNotification {
 pub struct CommonNotificationAction {
     pub action_route: (String, String),
 }
+
+#[derive(Serialize, Deserialize, Clone)]
+#[serde(rename_all = "kebab-case")]
+pub enum CommonItemType {
+    Project,
+    Version,
+    User,
+    Unknown,
+}
+
+impl CommonItemType {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            CommonItemType::Project => "project",
+            CommonItemType::Version => "version",
+            CommonItemType::User => "user",
+            CommonItemType::Unknown => "unknown",
+        }
+    }
+}