Struct mongo_file_center::FileCenter

pub struct FileCenter { /* fields omitted */ }

To store perennial files and temporary files in MongoDB.

Methods

impl FileCenter

pub fn new<H: AsRef<str>, D: AsRef<str>>(     host: H,     port: u16,     database: D ) -> Result<FileCenter, FileCenterError>

Create a new FileCenter instance.

pub fn new_with_file_size_threshold<H: AsRef<str>, D: AsRef<str>>(     host: H,     port: u16,     database: D,     initial_file_size_threshold: i32 ) -> Result<FileCenter, FileCenterError>

Create a new FileCenter instance with a custom initial file size threshold.

pub fn set_file_size_threshold(     &mut self,     file_size_threshold: i32 ) -> Result<(), FileCenterError>

Change the file size threshold.

pub fn decrypt_id_token<S: AsRef<str>>(     &self,     id_token: S ) -> Result<ObjectId, FileCenterError>

Decrypt a ID token to an Object ID.

pub fn encrypt_id(&self, id: &ObjectId) -> IDToken

Encrypt an Object ID to an ID token.

pub fn encrypt_id_to_buffer(&self, id: &ObjectId, buffer: String) -> String

Encrypt an Object ID to an ID token.

pub fn drop_database(self) -> Result<(), FileCenterError>

Drop the database.

pub fn drop_file_center(self) -> Result<(), FileCenterError>

Drop the file center.

pub fn get_file_item_by_id(     &self,     id: &ObjectId ) -> Result<Option<FileItem>, FileCenterError>

Get the file item via an Object ID.

pub fn delete_file_item_by_id(     &self,     id: &ObjectId ) -> Result<Option<u64>, FileCenterError>

Remove a file item via an Object ID.

pub fn put_file_by_path<P: AsRef<Path>, S: AsRef<str>>(     &self,     file_path: P,     file_name: Option<S>,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Input a file to the file center via a file path.

pub fn put_file_by_buffer<S: AsRef<str>>(     &self,     buffer: Vec<u8>,     file_name: S,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Input a file to the file center via a buffer.

pub fn put_file_by_reader<R: Read, S: AsRef<str>>(     &self,     reader: R,     file_name: S,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Input a file to the file center via a reader.

pub fn put_file_by_path_temporarily<P: AsRef<Path>, S: AsRef<str>>(     &self,     file_path: P,     file_name: Option<S>,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Temporarily input a file to the file center via a file path.

pub fn put_file_by_buffer_temporarily<S: AsRef<str>>(     &self,     buffer: Vec<u8>,     file_name: S,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Temporarily input a file to the file center via a buffer.

pub fn put_file_by_reader_temporarily<R: Read, S: AsRef<str>>(     &self,     reader: R,     file_name: S,     mime_type: Option<Mime> ) -> Result<FileItem, FileCenterError>

Temporarily input a file to the file center via a reader.

pub fn clear_garbage(&self) -> Result<(), FileCenterError>

Remove all unused files in GridFS and in the COLLECTION_FILES_NAME collection.