Adding a ton of stuff

api/src/services/users/preferences/upsert-service.ts

@@ -0,0 +1,32 @@
+import { User } from "@/models"
+import UserPreference, { PreferenceKeys } from "@/models/user-preference"
+import { preferenceValueValidators } from "@/models/user-preference-value-validators"
+import BaseService from "@/services/base-service"
+
+export class UpsertService extends BaseService {
+  constructor(
+    private user: User,
+    private key: string,
+    private value: unknown | null
+  ) {
+    super()
+  }
+
+  async perform() {
+    const isPreferenceKey = Object.values(PreferenceKeys).includes(this.key as PreferenceKeys)
+    if (!isPreferenceKey) {
+      throw new Error("Provided key is not a valid PreferenceKey")
+    }
+
+    const key = this.key as PreferenceKeys
+
+    const validator = preferenceValueValidators[key]
+    if (!validator(this.value)) {
+      throw new Error("Invalid value for preference key")
+    }
+
+    return UserPreference.setValue(this.user.id, key, this.value)
+  }
+}
+
+export default UpsertService