U
    VcL                     @   sz   d dl Z d dlZd dlmZmZ d dlZd dlmZ d dlT d dlm	Z	 d dl
mZ d dlmZ G dd	 d	ejjeZdS )
    N)datetimetimezone)Path)*)CmfModel)cmf_hashlib)CmfPluginConvertMixinc                       s   e Zd Zejjjd Zdd Zdd Z fddZ	e
dd	 Zd
dedddZe
edddZdedddZe
edddZe
edddZdd fdd
Z  ZS )CmfAttachment)file_existsc                 C   s   | j jsd S td| j j}d}t| j jt| t|d  }d}t| j ddkrh| j dd }||krt|d }| j jd |dt|   	  d	t
| j jd
 | _ |r| j  d| | _ d S )Nu   [А-Яа-я]       .r      -   )nameZ
is_changedrefindallvaluelensplitmathZfloorstripr   Zshort_str_enc)selfZ
rus_simbolZos_max_lengthZfile_name_lengthextZslice_length r   (./modules/files/models/cmf_attachment.py
_calc_name   s     8zCmfAttachment._calc_namec                 C   sB   | j   | j sd S tj | j   }tj|s>t| |S N)	parentloadconfig
UPLOAD_DIRget_files_dirospathexistsmakedirs)r   
upload_dirr   r   r   r*      s    

zCmfAttachment.upload_dirc                    s"   dt j| j | _t j||S )Nz/files)urllibparseZquote
_file_nameurlsupersave)r   argskwargs	__class__r   r   r0   (   s    zCmfAttachment.savec                 C   s   |    | j S r    )r*   r   r   r   r   r   	file_path-   s    zCmfAttachment.file_pathN)fields)returnc             
   O   st  |sdddg}|  | tjjj }|| j}t|j	}|j	d }t|j
ddd | j}|d }	|d }
z|jd	kr| |j	|
 n|jd
kr| j|j	|
d nd|d|j  }t|j	| t|d*}| }| ||	|j | |	|
 W 5 Q R X | j d}|| _| j d| _|   | W S  tk
rn } z$td|j	 d|  |  W Y S d }~X Y nX d S )Nr.   url_previewurl_preview_imgz.metaT)parentsexist_okz/preview.pdfz/preview_img.png)z.pngz.jpgz.bmpz.gifz.tiffz.tifz.jpegz.pdf)Zpath_pdfZpath_imgz/previewrbz.meta/preview.pdfz.meta/preview_img.pngu,   Не удалось создать preview: z, )Zload_fieldsmodelsCmfRFiledpdata_driverget_rd	get_rfiler-   r   abspathmkdirr.   suffixZsave_imgZ
pdf_to_imgshutilcopyopenreadZ
obj_to_pdfr9   r:   r0   	ExceptionZloggingZ	exception)r   r7   r1   r2   rdiskrfileZfile_obj	meta_pathZurl_preview_urlZurl_preview_pathr:   r6   Zfile_previewcontenter   r   r   make_preview2   s<    





zCmfAttachment.make_previewc                 C   s   t ttj| j S )u<    Полный фактический путь к файлу )strr   r#   r$   r-   r5   r   r   r   full_path_fileS   s    zCmfAttachment.full_path_fileTF)rO   c                 C   s   t | j rP|sP|sdS ttjdd| j | _t	d| j  | 
  tjjj }|| j}|jdddd |j||d dS )	u    Загрузка файла Nz%Y%m%d-%H%M%S_uI   Файл с таким именем уже есть, заменим на FT)is_dirr<   r;   )backup)r   rS   r(   r   Znowr   Zutcr   gdebugr0   r>   r?   r@   rA   rB   rC   r-   Zcreatewrite)r   rO   replaceZ	overwriterV   rL   rM   r   r   r   upload_fileX   s    zCmfAttachment.upload_filec                 C   s    t jjj }|| j}|jS r    )r>   r?   r@   rA   rB   rC   r-   r(   )r   rL   rM   r   r   r   r
   e   s    zCmfAttachment.file_existsc                 C   s6   d| j j }| j  | jr2| j  | j  }|S )uT    Имя файла вложения в зависимости от родителя /)r   r   r!   r"   r%   )r   	file_namer   r   r   r-   k   s
    
zCmfAttachment._file_name)forcec                   sD   | j r.tjjj }|| j }|jr.|  t	 j|d|i|S )Nr^   )
r-   r>   r?   r@   rA   rB   rC   r(   deleter/   )r   r^   r1   r2   rL   rM   r3   r   r   r_   t   s    zCmfAttachment.delete)TFT)__name__
__module____qualname__cmfr>   	CmfEntityZui_meta_skipr   r*   r0   propertyr6   r   rQ   rR   rS   bytesr[   boolr
   r-   r_   __classcell__r   r   r3   r   r	      s   	
!r	   )r   r+   r   r   rG   pathlibr   Zcmf.includeZ
cmf.modelsr   Zcmf.utilr   Z&common.models.cmf_plugin_convert_mixinr   rc   r>   rd   r	   r   r   r   r   <module>   s   