refactor: revew all design of services, clients, deadcode, ...

clients/base/http-client.ts

@@ -0,0 +1,69 @@
+export abstract class BaseHttpClient {
+  protected baseUrl: string;
+
+  constructor() {
+    this.baseUrl = process.env.NEXT_PUBLIC_API_URL || "/api/";
+  }
+
+  protected async request<T>(
+    endpoint: string,
+    options: RequestInit = {}
+  ): Promise<T> {
+    const url = `${this.baseUrl}${endpoint}`;
+
+    const defaultOptions: RequestInit = {
+      credentials: "same-origin",
+      headers: {
+        "Content-Type": "application/json",
+        ...options.headers,
+      },
+      ...options,
+    };
+
+    try {
+      const response = await fetch(url, defaultOptions);
+
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+      }
+
+      // Handle empty responses
+      if (
+        response.status === 204 ||
+        response.headers.get("content-length") === "0"
+      ) {
+        return {} as T;
+      }
+
+      return await response.json();
+    } catch (error) {
+      console.error(`Request failed for ${endpoint}:`, error);
+      throw error;
+    }
+  }
+
+  protected async get<T>(endpoint: string): Promise<T> {
+    return this.request<T>(endpoint);
+  }
+
+  protected async post<T>(endpoint: string, data?: any): Promise<T> {
+    return this.request<T>(endpoint, {
+      method: "POST",
+      body: data ? JSON.stringify(data) : undefined,
+    });
+  }
+
+  protected async put<T>(endpoint: string, data?: any): Promise<T> {
+    return this.request<T>(endpoint, {
+      method: "PUT",
+      body: data ? JSON.stringify(data) : undefined,
+    });
+  }
+
+  protected async delete<T>(endpoint: string, data?: any): Promise<T> {
+    return this.request<T>(endpoint, {
+      method: "DELETE",
+      body: data ? JSON.stringify(data) : undefined,
+    });
+  }
+}