Image Management Utilities (image-manage.tsx)

Types

• CaseData: Represents a case, optionally including an array of files.

• FileData: Represents a file, including ID, original filename, and upload date.

• ApiResponse: Response structure for file listing.

• ImageUploadResponse: Response structure for image upload.

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Constants

• WORKER_URL: URL for the data worker API.

• IMAGE_URL: URL for the image worker API.

• DEFAULT_VARIANT: Default image variant for delivery.

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Functions

fetchFiles(user: User, caseNumber: string): Promise<FileData[]>

Fetches and returns the list of files for a given user and case from the data worker.

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uploadFile(user: User, caseNumber: string, file: File, onProgress?: (progress: number) => void): Promise<FileData>

Uploads an image file to the image worker:

• Tracks upload progress via the onProgress callback.

• On success, updates the case's file list in the data worker.

• Returns the new file's metadata.

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deleteFile(user: User, caseNumber: string, fileId: string): Promise<void>

Deletes an image file:

• Removes the image from the image worker.

• Attempts to delete any associated notes file (ignores 404 errors).

• Updates the case's file list in the data worker to remove the file.

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getImageUrl(fileData: FileData): Promise<string>

Generates a signed URL for secure image delivery:

• Fetches the account hash and image API key.

• Requests a signed URL from the image worker.

• Validates the returned URL for required signature and expiration parameters.

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Internal Helpers

• getImageConfig(): Fetches the account hash for image delivery.

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Notes

• All API calls are authenticated using API keys or tokens.

• File upload uses XMLHttpRequest for progress tracking.

• Errors are thrown for upstream handling and logged as needed.