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bibeditmulti_webinterface.py
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R3600 invenio-infoscience
bibeditmulti_webinterface.py
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## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""CDS Invenio Multiple Record Editor web interface."""
__revision__
=
"$Id"
__lastupdated__
=
"""$Date: 2008/08/12 09:26:46 $"""
import
sys
if
sys
.
hexversion
<
0x2060000
:
try
:
import
simplejson
as
json
except
ImportError
:
# Okay, no Ajax app will be possible, but continue anyway,
# since this package is only recommended, not mandatory.
pass
from
invenio.bibedit_utils
import
json_unicode_to_utf8
from
invenio.webinterface_handler
import
WebInterfaceDirectory
,
\
wash_urlargd
from
invenio.webpage
import
page
from
invenio.messages
import
gettext_set_language
from
invenio
import
bibeditmulti_engine
as
multi_edit_engine
from
invenio.webuser
import
page_not_authorized
from
invenio.access_control_engine
import
acc_authorize_action
class
_ActionTypes
:
"""Define the available action types"""
test_search
=
"testSearch"
display_detailed_record
=
"displayDetailedRecord"
preview_results
=
"previewResults"
display_detailed_result
=
"displayDetailedResult"
submit_changes
=
"submitChanges"
def
__init__
(
self
):
"""Nothing to init"""
pass
class
_FieldActionTypes
:
"""Define the available action types"""
add
=
"0"
delete
=
"1"
update
=
"2"
def
__init__
(
self
):
"""Nothing to init"""
pass
class
_SubfieldActionTypes
:
"""Define the available action types"""
add
=
"0"
delete
=
"1"
replace_content
=
"2"
replace_text
=
"3"
def
__init__
(
self
):
"""Nothing to init"""
pass
class
WebInterfaceMultiEditPages
(
WebInterfaceDirectory
):
"""Defines the set of /multiedit pages."""
_exports
=
[
""
]
_action_types
=
_ActionTypes
()
_field_action_types
=
_FieldActionTypes
()
_subfield_action_types
=
_SubfieldActionTypes
()
_JSON_DATA_KEY
=
"jsondata"
def
index
(
self
,
req
,
form
):
""" The function called by default"""
argd
=
wash_urlargd
(
form
,
{
self
.
_JSON_DATA_KEY
:
(
str
,
""
),
})
# load the right message language
language
=
argd
[
"ln"
]
_
=
gettext_set_language
(
language
)
# check user credentials
(
auth_code
,
auth_msg
)
=
acc_authorize_action
(
req
,
"runbibeditmulti"
)
if
0
!=
auth_code
:
return
page_not_authorized
(
req
=
req
,
ln
=
language
,
text
=
auth_msg
)
if
argd
[
self
.
_JSON_DATA_KEY
]:
return
self
.
_process_json_request
(
form
)
body
=
multi_edit_engine
.
perform_request_index
(
language
)
title
=
_
(
"Multi-Record Editor"
)
metaheaderadd
=
multi_edit_engine
.
get_scripts
()
metaheaderadd
=
metaheaderadd
+
multi_edit_engine
.
get_css
()
return
page
(
title
=
title
,
metaheaderadd
=
metaheaderadd
,
body
=
body
,
req
=
req
,
language
=
language
)
__call__
=
index
def
_process_json_request
(
self
,
form
):
"""Takes care about the json requests."""
argd
=
wash_urlargd
(
form
,
{
self
.
_JSON_DATA_KEY
:
(
str
,
""
),
})
# load json data
json_data_string
=
argd
[
self
.
_JSON_DATA_KEY
]
json_data_unicode
=
json
.
loads
(
json_data_string
)
json_data
=
json_unicode_to_utf8
(
json_data_unicode
)
language
=
json_data
[
"language"
]
search_criteria
=
json_data
[
"searchCriteria"
]
action_type
=
json_data
[
"actionType"
]
current_record_id
=
json_data
[
"currentRecordID"
]
commands
=
json_data
[
"commands"
]
output_format
=
json_data
[
"outputFormat"
]
page_to_display
=
json_data
[
"pageToDisplay"
]
if
action_type
==
self
.
_action_types
.
test_search
:
return
multi_edit_engine
.
perform_request_test_search
(
search_criteria
,
[],
output_format
,
page_to_display
,
language
)
if
action_type
==
self
.
_action_types
.
display_detailed_record
:
return
multi_edit_engine
.
perform_request_detailed_record
(
current_record_id
,
[],
output_format
,
language
)
if
action_type
==
self
.
_action_types
.
preview_results
:
commands_list
=
self
.
_create_commands_list
(
commands
)
return
multi_edit_engine
.
perform_request_test_search
(
search_criteria
,
commands_list
,
output_format
,
page_to_display
,
language
)
if
action_type
==
self
.
_action_types
.
display_detailed_result
:
commands_list
=
self
.
_create_commands_list
(
commands
)
return
multi_edit_engine
.
perform_request_detailed_record
(
current_record_id
,
commands_list
,
output_format
,
language
)
if
action_type
==
self
.
_action_types
.
submit_changes
:
commands_list
=
self
.
_create_commands_list
(
commands
)
return
multi_edit_engine
.
perform_request_submit_changes
(
search_criteria
,
commands_list
,
language
)
# In case we obtain wrong action type we return empty page.
return
" "
def
_create_subfield_commands_list
(
self
,
subfields
):
"""Creates the list of commands for the given subfields.
@param subfields: json structure containing information about
the subfileds. This data is used for creating the commands.
@return: list of subfield commands.
"""
commands_list
=
[]
for
current_subfield
in
subfields
:
action
=
current_subfield
[
"action"
]
subfield_code
=
current_subfield
[
"subfieldCode"
]
value
=
current_subfield
[
"value"
]
new_value
=
current_subfield
[
"newValue"
]
if
action
==
self
.
_subfield_action_types
.
add
:
subfield_command
=
multi_edit_engine
.
AddSubfieldCommand
(
subfield_code
,
value
)
elif
action
==
self
.
_subfield_action_types
.
delete
:
subfield_command
=
multi_edit_engine
.
DeleteSubfieldCommand
(
subfield_code
)
elif
action
==
self
.
_subfield_action_types
.
replace_content
:
subfield_command
=
multi_edit_engine
.
ReplaceSubfieldContentCommand
(
subfield_code
,
value
)
elif
action
==
self
.
_subfield_action_types
.
replace_text
:
subfield_command
=
multi_edit_engine
.
ReplaceTextInSubfieldCommand
(
subfield_code
,
value
,
new_value
)
else
:
subfield_command
=
multi_edit_engine
.
BaseFieldCommand
(
subfield_code
,
value
,
new_value
)
commands_list
.
append
(
subfield_command
)
return
commands_list
def
_create_commands_list
(
self
,
commands_json_structure
):
"""Creates a list of commands recognized by multiedit engine"""
commands_list
=
[]
for
current_field
in
commands_json_structure
:
tag
=
current_field
[
"tag"
]
ind1
=
current_field
[
"ind1"
]
ind2
=
current_field
[
"ind2"
]
action
=
current_field
[
"action"
]
subfields
=
current_field
[
"subfields"
]
subfield_commands
=
self
.
_create_subfield_commands_list
(
subfields
)
# create appropriate command depending on the type
if
action
==
self
.
_field_action_types
.
add
:
command
=
multi_edit_engine
.
AddFieldCommand
(
tag
,
ind1
,
ind2
,
subfield_commands
)
elif
action
==
self
.
_field_action_types
.
delete
:
command
=
multi_edit_engine
.
UpdateFieldCommand
(
tag
,
ind1
,
ind2
,
subfield_commands
)
elif
action
==
self
.
_field_action_types
.
update
:
command
=
multi_edit_engine
.
UpdateFieldCommand
(
tag
,
ind1
,
ind2
,
subfield_commands
)
else
:
# if someone send wrong action type, we use empty command
command
=
multi_edit_engine
.
BaseFieldCommand
()
commands_list
.
append
(
command
)
return
commands_list
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