352 lines
16 KiB
Python
352 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import base64
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from osv import osv, fields
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import os
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# from psycopg2 import Binary
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#from tools import config
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import tools
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from tools.translate import _
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import nodes
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import logging
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DMS_ROOT_PATH = tools.config.get('document_path', os.path.join(tools.config['root_path'], 'filestore'))
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class document_file(osv.osv):
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_inherit = 'ir.attachment'
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_rec_name = 'datas_fname'
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def _attach_parent_id(self, cr, uid, ids=None, context=None):
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"""Migrate ir.attachments to the document module.
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When the 'document' module is loaded on a db that has had plain attachments,
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they will need to be attached to some parent folder, and be converted from
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base64-in-bytea to raw-in-bytea format.
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This function performs the internal migration, once and forever, for these
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attachments. It cannot be done through the nominal ORM maintenance code,
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because the root folder is only created after the document_data.xml file
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is loaded.
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It also establishes the parent_id NOT NULL constraint that ir.attachment
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should have had (but would have failed if plain attachments contained null
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values).
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It also updates the File Size for the previously created attachments.
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"""
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parent_id = self.pool.get('document.directory')._get_root_directory(cr,uid)
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if not parent_id:
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logging.getLogger('document').warning("at _attach_parent_id(), still not able to set the parent!")
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return False
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if ids is not None:
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raise NotImplementedError("Ids is just there by convention! Don't use it yet, please.")
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cr.execute("UPDATE ir_attachment " \
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"SET parent_id = %s, db_datas = decode(encode(db_datas,'escape'), 'base64') " \
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"WHERE parent_id IS NULL", (parent_id,))
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cr.execute("UPDATE ir_attachment SET file_size=length(db_datas) WHERE file_size = 0;")
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cr.execute("ALTER TABLE ir_attachment ALTER parent_id SET NOT NULL")
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return True
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def _get_filestore(self, cr):
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return os.path.join(DMS_ROOT_PATH, cr.dbname)
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def _data_get(self, cr, uid, ids, name, arg, context=None):
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if context is None:
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context = {}
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fbrl = self.browse(cr, uid, ids, context=context)
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nctx = nodes.get_node_context(cr, uid, context={})
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# nctx will /not/ inherit the caller's context. Most of
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# it would be useless, anyway (like active_id, active_model,
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# bin_size etc.)
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result = {}
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bin_size = context.get('bin_size', False)
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for fbro in fbrl:
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fnode = nodes.node_file(None, None, nctx, fbro)
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if not bin_size:
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data = fnode.get_data(cr, fbro)
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result[fbro.id] = base64.encodestring(data or '')
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else:
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result[fbro.id] = fnode.get_data_len(cr, fbro)
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return result
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#
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# This code can be improved
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#
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def _data_set(self, cr, uid, id, name, value, arg, context=None):
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if not value:
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return True
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fbro = self.browse(cr, uid, id, context=context)
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nctx = nodes.get_node_context(cr, uid, context={})
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fnode = nodes.node_file(None, None, nctx, fbro)
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res = fnode.set_data(cr, base64.decodestring(value), fbro)
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return res
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_columns = {
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# Columns from ir.attachment:
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'create_date': fields.datetime('Date Created', readonly=True),
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'create_uid': fields.many2one('res.users', 'Creator', readonly=True),
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'write_date': fields.datetime('Date Modified', readonly=True),
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'write_uid': fields.many2one('res.users', 'Last Modification User', readonly=True),
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'res_model': fields.char('Attached Model', size=64, readonly=True, change_default=True),
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'res_id': fields.integer('Attached ID', readonly=True),
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# If ir.attachment contained any data before document is installed, preserve
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# the data, don't drop the column!
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'db_datas': fields.binary('Data', oldname='datas'),
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'datas': fields.function(_data_get, fnct_inv=_data_set, string='File Content', type="binary", nodrop=True),
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# Fields of document:
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'user_id': fields.many2one('res.users', 'Owner', select=1),
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# 'group_ids': fields.many2many('res.groups', 'document_group_rel', 'item_id', 'group_id', 'Groups'),
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# the directory id now is mandatory. It can still be computed automatically.
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'parent_id': fields.many2one('document.directory', 'Directory', select=1, required=True, change_default=True),
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'index_content': fields.text('Indexed Content'),
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'partner_id':fields.many2one('res.partner', 'Partner', select=1),
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'file_size': fields.integer('File Size', required=True),
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'file_type': fields.char('Content Type', size=128),
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# fields used for file storage
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'store_fname': fields.char('Stored Filename', size=200),
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}
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_order = "create_date desc"
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def __get_def_directory(self, cr, uid, context=None):
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dirobj = self.pool.get('document.directory')
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return dirobj._get_root_directory(cr, uid, context)
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_defaults = {
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'user_id': lambda self, cr, uid, ctx:uid,
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'file_size': lambda self, cr, uid, ctx:0,
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'parent_id': __get_def_directory
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}
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_sql_constraints = [
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# filename_uniq is not possible in pure SQL
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]
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def _check_duplication(self, cr, uid, vals, ids=[], op='create'):
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name = vals.get('name', False)
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parent_id = vals.get('parent_id', False)
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res_model = vals.get('res_model', False)
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res_id = vals.get('res_id', 0)
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if op == 'write':
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for file in self.browse(cr, uid, ids): # FIXME fields_only
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if not name:
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name = file.name
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if not parent_id:
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parent_id = file.parent_id and file.parent_id.id or False
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if not res_model:
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res_model = file.res_model and file.res_model or False
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if not res_id:
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res_id = file.res_id and file.res_id or 0
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res = self.search(cr, uid, [('id', '<>', file.id), ('name', '=', name), ('parent_id', '=', parent_id), ('res_model', '=', res_model), ('res_id', '=', res_id)])
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if len(res):
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return False
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if op == 'create':
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res = self.search(cr, uid, [('name', '=', name), ('parent_id', '=', parent_id), ('res_id', '=', res_id), ('res_model', '=', res_model)])
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if len(res):
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return False
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return True
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def check(self, cr, uid, ids, mode, context=None, values=None):
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"""Check access wrt. res_model, relax the rule of ir.attachment parent
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With 'document' installed, everybody will have access to attachments of
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any resources they can *read*.
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"""
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return super(document_file, self).check(cr, uid, ids, mode='read',
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context=context, values=values)
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def search(self, cr, uid, args, offset=0, limit=None, order=None, context=None, count=False):
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# Grab ids, bypassing 'count'
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ids = super(document_file, self).search(cr, uid, args, offset=offset,
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limit=limit, order=order,
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context=context, count=False)
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if not ids:
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return 0 if count else []
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# Filter out documents that are in directories that the user is not allowed to read.
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# Must use pure SQL to avoid access rules exceptions (we want to remove the records,
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# not fail), and the records have been filtered in parent's search() anyway.
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cr.execute('SELECT id, parent_id from "%s" WHERE id in %%s' % self._table, (tuple(ids),))
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doc_pairs = cr.fetchall()
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parent_ids = set(zip(*doc_pairs)[1])
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visible_parent_ids = self.pool.get('document.directory').search(cr, uid, [('id', 'in', list(parent_ids))])
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disallowed_parents = parent_ids.difference(visible_parent_ids)
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for doc_id, parent_id in doc_pairs:
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if parent_id in disallowed_parents:
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ids.remove(doc_id)
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return len(ids) if count else ids
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def copy(self, cr, uid, id, default=None, context=None):
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if not default:
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default = {}
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if 'name' not in default:
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name = self.read(cr, uid, [id], ['name'])[0]['name']
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default.update({'name': name + " " + _("(copy)")})
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return super(document_file, self).copy(cr, uid, id, default, context=context)
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def write(self, cr, uid, ids, vals, context=None):
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result = False
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if not isinstance(ids, list):
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ids = [ids]
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res = self.search(cr, uid, [('id', 'in', ids)])
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if not len(res):
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return False
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if not self._check_duplication(cr, uid, vals, ids, 'write'):
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raise osv.except_osv(_('ValidateError'), _('File name must be unique!'))
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# if nodes call this write(), they must skip the code below
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from_node = context and context.get('__from_node', False)
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if (('parent_id' in vals) or ('name' in vals)) and not from_node:
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# perhaps this file is renaming or changing directory
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nctx = nodes.get_node_context(cr,uid,context={})
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dirobj = self.pool.get('document.directory')
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if 'parent_id' in vals:
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dbro = dirobj.browse(cr, uid, vals['parent_id'], context=context)
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dnode = nctx.get_dir_node(cr, dbro)
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else:
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dbro = None
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dnode = None
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ids2 = []
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for fbro in self.browse(cr, uid, ids, context=context):
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if ('parent_id' not in vals or fbro.parent_id.id == vals['parent_id']) \
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and ('name' not in vals or fbro.name == vals['name']):
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ids2.append(fbro.id)
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continue
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fnode = nctx.get_file_node(cr, fbro)
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res = fnode.move_to(cr, dnode or fnode.parent, vals.get('name', fbro.name), fbro, dbro, True)
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if isinstance(res, dict):
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vals2 = vals.copy()
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vals2.update(res)
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wid = res.get('id', fbro.id)
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result = super(document_file,self).write(cr,uid,wid,vals2,context=context)
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# TODO: how to handle/merge several results?
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elif res == True:
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ids2.append(fbro.id)
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elif res == False:
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pass
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ids = ids2
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if 'file_size' in vals: # only write that field using direct SQL calls
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del vals['file_size']
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if len(ids) and len(vals):
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result = super(document_file,self).write(cr, uid, ids, vals, context=context)
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cr.commit() # ?
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return result
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def create(self, cr, uid, vals, context=None):
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if context is None:
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context = {}
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vals['parent_id'] = context.get('parent_id', False) or vals.get('parent_id', False)
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if not vals['parent_id']:
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vals['parent_id'] = self.pool.get('document.directory')._get_root_directory(cr,uid, context)
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if not vals.get('res_id', False) and context.get('default_res_id', False):
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vals['res_id'] = context.get('default_res_id', False)
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if not vals.get('res_model', False) and context.get('default_res_model', False):
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vals['res_model'] = context.get('default_res_model', False)
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if vals.get('res_id', False) and vals.get('res_model', False) \
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and not vals.get('partner_id', False):
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vals['partner_id'] = self.__get_partner_id(cr, uid, \
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vals['res_model'], vals['res_id'], context)
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datas = None
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if vals.get('link', False) :
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import urllib
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datas = base64.encodestring(urllib.urlopen(vals['link']).read())
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else:
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datas = vals.get('datas', False)
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if datas:
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vals['file_size'] = len(datas)
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else:
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if vals.get('file_size'):
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del vals['file_size']
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result = self._check_duplication(cr, uid, vals)
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if not result:
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domain = [
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('res_id', '=', vals['res_id']),
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('res_model', '=', vals['res_model']),
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('datas_fname', '=', vals['datas_fname']),
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]
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attach_ids = self.search(cr, uid, domain, context=context)
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super(document_file, self).write(cr, uid, attach_ids,
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{'datas' : vals['datas']},
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context=context)
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result = attach_ids[0]
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else:
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#raise osv.except_osv(_('ValidateError'), _('File name must be unique!'))
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result = super(document_file, self).create(cr, uid, vals, context)
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cr.commit() # ?
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return result
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def __get_partner_id(self, cr, uid, res_model, res_id, context=None):
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""" A helper to retrieve the associated partner from any res_model+id
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It is a hack that will try to discover if the mentioned record is
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clearly associated with a partner record.
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"""
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obj_model = self.pool.get(res_model)
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if obj_model._name == 'res.partner':
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return res_id
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elif 'partner_id' in obj_model._columns and obj_model._columns['partner_id']._obj == 'res.partner':
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bro = obj_model.browse(cr, uid, res_id, context=context)
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return bro.partner_id.id
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elif 'address_id' in obj_model._columns and obj_model._columns['address_id']._obj == 'res.partner.address':
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bro = obj_model.browse(cr, uid, res_id, context=context)
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return bro.address_id.partner_id.id
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return False
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def unlink(self, cr, uid, ids, context=None):
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stor = self.pool.get('document.storage')
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unres = []
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# We have to do the unlink in 2 stages: prepare a list of actual
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# files to be unlinked, update the db (safer to do first, can be
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# rolled back) and then unlink the files. The list wouldn't exist
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# after we discard the objects
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ids = self.search(cr, uid, [('id','in',ids)])
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for f in self.browse(cr, uid, ids, context=context):
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# TODO: update the node cache
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par = f.parent_id
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storage_id = None
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while par:
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if par.storage_id:
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storage_id = par.storage_id
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break
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par = par.parent_id
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#assert storage_id, "Strange, found file #%s w/o storage!" % f.id #TOCHECK: after run yml, it's fail
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if storage_id:
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r = stor.prepare_unlink(cr, uid, storage_id, f)
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if r:
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unres.append(r)
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else:
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logging.getLogger('document').warning("Unlinking attachment #%s %s that has no storage",
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f.id, f.name)
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res = super(document_file, self).unlink(cr, uid, ids, context)
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stor.do_unlink(cr, uid, unres)
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return res
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document_file()
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