mongodb-helper 0.1.6

A mongodb helper
Documentation 
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use bson::Document;
use mongodb::options::DeleteOptions;

impl super::Database {
    pub fn delete_many(
        &self,
        collection: &str,
        filter: Document,
        write_concern: Option<DeleteOptions>,
    ) -> Result<i64, String> {
        let collection = self.db.collection(&String::from(collection));

        match collection.delete_many(filter, write_concern) {
            Ok(deleted) => Ok(deleted.deleted_count),
            Err(e) => Err(e.to_string()),
        }
    }
}