feat: add events app + "multi-tenants" aka multi-events

polylan_submitter/src/services/apiService.ts

@@ -37,12 +37,28 @@ interface SubmissionStats {
 
 // API Service Class
 export class ApiService {
+  private eventPath: string | null = null
+
+  // Every endpoint this service calls is event-scoped (/api/events/{event_path}/...),
+  // so the owning page sets this once (via provideEventPath()'s value) before any
+  // request is made, instead of threading eventPath through every method signature.
+  setEventPath(eventPath: string) {
+    this.eventPath = eventPath
+  }
+
+  private buildUrl(endpoint: string): string {
+    if (!this.eventPath) {
+      throw new Error('ApiService.setEventPath() must be called before making requests')
+    }
+    return `${API_BASE_URL}/events/${this.eventPath}${endpoint}`
+  }
+
   private async request<T>(
     endpoint: string,
     options: RequestInit = {}
   ): Promise<ApiResponse<T>> {
     try {
-      const response = await fetch(`${API_BASE_URL}${endpoint}`, {
+      const response = await fetch(this.buildUrl(endpoint), {
         headers: {
           'Content-Type': 'application/json',
           ...options.headers,
@@ -76,7 +92,7 @@ export class ApiService {
     formData: FormData
   ): Promise<ApiResponse<T>> {
     try {
-      const response = await fetch(`${API_BASE_URL}${endpoint}`, {
+      const response = await fetch(this.buildUrl(endpoint), {
         method: 'POST',
         body: formData,
       })