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use std::sync::Arc;
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use crate::domain::repositories::file_repository::{FileRepository, FileRepositoryResult};
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use crate::application::dtos::file_dto::FileDto;
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/// Service for file operations
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pub struct FileService {
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file_repository: Arc<dyn FileRepository>,
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}
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impl FileService {
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/// Creates a new file service
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pub fn new(file_repository: Arc<dyn FileRepository>) -> Self {
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Self { file_repository }
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}
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/// Uploads a new file from bytes
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pub async fn upload_file_from_bytes(
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&self,
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name: String,
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folder_id: Option<String>,
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content_type: String,
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content: Vec<u8>,
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) -> FileRepositoryResult<FileDto>
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{
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let file = self.file_repository.save_file_from_bytes(name, folder_id, content_type, content).await?;
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Ok(FileDto::from(file))
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}
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/// Gets a file by ID
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pub async fn get_file(&self, id: &str) -> FileRepositoryResult<FileDto> {
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let file = self.file_repository.get_file_by_id(id).await?;
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Ok(FileDto::from(file))
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}
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/// Lists files in a folder
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pub async fn list_files(&self, folder_id: Option<&str>) -> FileRepositoryResult<Vec<FileDto>> {
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let files = self.file_repository.list_files(folder_id).await?;
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Ok(files.into_iter().map(FileDto::from).collect())
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}
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/// Deletes a file
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pub async fn delete_file(&self, id: &str) -> FileRepositoryResult<()> {
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self.file_repository.delete_file(id).await
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}
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/// Gets file content
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pub async fn get_file_content(&self, id: &str) -> FileRepositoryResult<Vec<u8>> {
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self.file_repository.get_file_content(id).await
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}
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/// Moves a file to a new folder implementing direct save with new location without deleting first
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pub async fn move_file(&self, file_id: &str, folder_id: Option<String>) -> FileRepositoryResult<FileDto> {
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// Get the current file complete info
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let source_file = match self.file_repository.get_file_by_id(file_id).await {
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Ok(f) => f,
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Err(e) => {
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tracing::error!("Error al obtener archivo (ID: {}): {}", file_id, e);
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return Err(e);
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}
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};
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tracing::info!("Moviendo archivo: {} (ID: {}) de carpeta: {:?} a carpeta: {:?}",
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source_file.name, file_id, source_file.folder_id, folder_id);
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// Special handling for PDF files
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let is_pdf = source_file.name.to_lowercase().ends_with(".pdf");
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if is_pdf {
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tracing::info!("Moviendo un archivo PDF: {}", source_file.name);
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}
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// No hacer nada si ya estamos en la carpeta de destino
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if source_file.folder_id == folder_id {
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tracing::info!("El archivo ya está en la carpeta de destino, no es necesario moverlo");
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return Ok(FileDto::from(source_file));
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}
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// Step 1: Get file content
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tracing::info!("Leyendo contenido del archivo: {}", source_file.name);
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let content = match self.file_repository.get_file_content(file_id).await {
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Ok(content) => {
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tracing::info!("Contenido del archivo leído correctamente: {} bytes", content.len());
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content
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},
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Err(e) => {
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tracing::error!("Error al leer el contenido del archivo {}: {}", file_id, e);
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return Err(e);
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}
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};
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// Step 2: Save the file to the new location with a new ID
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tracing::info!("Guardando archivo en nueva ubicación: {} en carpeta: {:?}", source_file.name, folder_id);
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let new_file = match self.file_repository.save_file_from_bytes(
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source_file.name.clone(),
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folder_id.clone(),
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source_file.mime_type.clone(),
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content
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).await {
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Ok(file) => {
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tracing::info!("Archivo guardado en nueva ubicación con ID: {}", file.id);
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file
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},
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Err(e) => {
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tracing::error!("Error al guardar archivo en nueva ubicación: {}", e);
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return Err(e);
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}
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};
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// Step 3: Only after ensuring new file is saved, try to delete the old file
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// If this fails, it's not critical - we already have the file in the new location
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tracing::info!("Eliminando archivo original con ID: {}", file_id);
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match self.file_repository.delete_file(file_id).await {
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Ok(_) => tracing::info!("Archivo original eliminado correctamente"),
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Err(e) => {
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tracing::warn!("Error al eliminar archivo original (ID: {}): {} - archivo duplicado posible", file_id, e);
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// Continue even if delete fails - at worst we'll have duplicate files
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}
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}
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tracing::info!("Archivo movido exitosamente: {} (ID: {}) a carpeta: {:?}",
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new_file.name, new_file.id, folder_id);
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Ok(FileDto::from(new_file))
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}
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}
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