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react-openapi/providers/UploadProvider.tsx

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+import React, { createContext, useContext, useState } from "react";
+import { api } from "../api/client";
+
+export interface UploadContextModel {
+  uploadFile: (file: File) => Promise<string | null>;
+  uploading: boolean;
+  error: string | null;
+}
+
+const UploadContext = createContext<UploadContextModel | undefined>(undefined);
+
+export const UploadProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [uploading, setUploading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const uploadFile = async (file: File): Promise<string | null> => {
+    setUploading(true);
+    setError(null);
+
+    try {
+      const arrayBuffer = await file.arrayBuffer();
+      const binary = new Uint8Array(arrayBuffer);
+
+      const res = await api.post("/uploads", binary, {
+        headers: {
+          "Content-Type": file.type,
+          "Content-Disposition": `attachment; filename="${file.name}"`,
+        },
+      });
+
+      return res.data.url as string;
+    } catch (err: any) {
+      console.error("File upload failed:", err);
+      setError(err.response?.data?.detail || "Failed to upload file");
+      return null;
+    } finally {
+      setUploading(false);
+    }
+  };
+
+  return (
+    <UploadContext.Provider value={{ uploadFile, uploading, error }}>
+      {children}
+    </UploadContext.Provider>
+  );
+};
+
+export const useUpload = (): UploadContextModel => {
+  const ctx = useContext(UploadContext);
+  if (!ctx) throw new Error("useUpload must be used within UploadProvider");
+  return ctx;
+};