# -*- coding: utf-8 -*-

# This program 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 3 of the License, or

# (at your option) any later version.

#

# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.controllers.changeset

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

changeset controller showing changes between revisions

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 25, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import binascii

import logging

import traceback

from collections import OrderedDict, defaultdict

from tg import request, response

from tg import tmpl_context as c

from tg.i18n import ugettext as _

import kallithea.lib.helpers as h

from kallithea.lib import diffs

from kallithea.lib.auth import HasRepoPermissionLevelDecorator, LoginRequired

from kallithea.lib.base import BaseRepoController, jsonify, render

from kallithea.lib.graphmod import graph_data

from kallithea.lib.utils import action_logger

from kallithea.lib.utils2 import ascii_str, safe_str

from kallithea.lib.vcs.backends.base import EmptyChangeset

from kallithea.lib.vcs.exceptions import ChangesetDoesNotExistError, EmptyRepositoryError, RepositoryError

from kallithea.model.changeset_status import ChangesetStatusModel

from kallithea.model.comment import ChangesetCommentsModel

from kallithea.model.db import ChangesetComment, ChangesetStatus

from kallithea.model.meta import Session

from kallithea.model.pull_request import PullRequestModel

log = logging.getLogger(__name__)

def _update_with_GET(params, GET):

    for k in ['diff1', 'diff2', 'diff']:

        params[k] += GET.getall(k)

def anchor_url(revision, path, GET):

    fid = h.FID(revision, path)

    return h.url.current(anchor=fid, **dict(GET))

def get_ignore_ws(fid, GET):

    ig_ws_global = GET.get('ignorews')

    ig_ws = [k for k in GET.getall(fid) if k.startswith('WS')]

    if ig_ws:

        try:

            return int(ig_ws[0].split(':')[-1])

        except ValueError:

            raise HTTPBadRequest()

    return ig_ws_global

def _ignorews_url(GET, fileid=None):

    fileid = str(fileid) if fileid else None

    params = defaultdict(list)

    _update_with_GET(params, GET)

    lbl = _('Show whitespace')

    ig_ws = get_ignore_ws(fileid, GET)

    ln_ctx = get_line_ctx(fileid, GET)

    # global option

    if fileid is None:

        if ig_ws is None:

            params['ignorews'] += [1]

            lbl = _('Ignore whitespace')

        ctx_key = 'context'

        ctx_val = ln_ctx

    # per file options

    else:

        if ig_ws is None:

            params[fileid] += ['WS:1']

            lbl = _('Ignore whitespace')

        ctx_key = fileid

        ctx_val = 'C:%s' % ln_ctx

    # if we have passed in ln_ctx pass it along to our params

    if ln_ctx:

        params[ctx_key] += [ctx_val]

    params['anchor'] = fileid

    icon = h.literal('<i class="icon-strike"></i>')

    return h.link_to(icon, h.url.current(**params), title=lbl, **{'data-toggle': 'tooltip'})

def get_line_ctx(fid, GET):

    ln_ctx_global = GET.get('context')

    if fid:

        ln_ctx = [k for k in GET.getall(fid) if k.startswith('C')]

    else:

        _ln_ctx = [k for k in GET if k.startswith('C')]

        ln_ctx = GET.get(_ln_ctx[0]) if _ln_ctx else ln_ctx_global

        if ln_ctx:

            ln_ctx = [ln_ctx]

    if ln_ctx:

        retval = ln_ctx[0].split(':')[-1]

    else:

        retval = ln_ctx_global

    try:

        return int(retval)

    except Exception:

        return 3

def _context_url(GET, fileid=None):

    """

    Generates url for context lines

def import_class(class_path):

    """

    Returns class from the given path.

    For example, in order to get class located at

    ``vcs.backends.hg.MercurialRepository``:

    """

    splitted = class_path.split('.')

    mod_path = '.'.join(splitted[:-1])

    class_name = splitted[-1]

    class_mod = __import__(mod_path, {}, {}, [class_name])

    cls = getattr(class_mod, class_name)

    return cls

def _get_meta_var(name, data, callback_handler=None):

    import re

    matches = re.compile(r'(?:%s)\s*=\s*(.*)' % name).search(data)

    if matches:

        if not callable(callback_handler):

            callback_handler = lambda v: v

        return callback_handler(eval(matches.groups()[0]))

_meta = open(os.path.join(here, 'kallithea', '__init__.py'), 'r')

_metadata = _meta.read()

_meta.close()

callback = lambda V: ('.'.join(map(str, V[:3])) + '.'.join(V[3:]))

__version__ = _get_meta_var('VERSION', _metadata, callback)

__license__ = _get_meta_var('__license__', _metadata)

__author__ = _get_meta_var('__author__', _metadata)

__url__ = _get_meta_var('__url__', _metadata)

# defines current platform

__platform__ = platform.system()

is_windows = __platform__ in ['Windows']

requirements = [

    "alembic >= 1.0.10, < 1.5",

    "gearbox >= 0.1.0, < 1",

    "waitress >= 0.8.8, < 1.5",

    "WebOb >= 1.8, < 1.9",

    "backlash >= 0.1.2, < 1",

    "TurboGears2 >= 2.4, < 2.5",

    "tgext.routes >= 0.2.0, < 1",

    "Beaker >= 1.10.1, < 2",

    "WebHelpers2 >= 2.0, < 2.1",

    "FormEncode >= 1.3.1, < 1.4",

    "SQLAlchemy >= 1.2.9, < 1.4",

    "Mako >= 0.9.1, < 1.2",

    "Pygments >= 2.2.0, < 2.6",

    "Whoosh >= 2.7.1, < 2.8",

    "celery >= 3.1, < 4.0", # TODO: celery 4 doesn't work

    "Babel >= 1.3, < 2.9",

    "python-dateutil >= 2.1.0, < 2.9",

    "Markdown >= 2.2.1, < 3.2",

    "docutils >= 0.11, < 0.17",

    "URLObject >= 2.3.4, < 2.5",

    "Routes >= 2.0, < 2.5",

    "dulwich >= 0.19.0, < 0.20",

    "mercurial >= 5.2, < 5.4",

    "decorator >= 4.2.1, < 4.5",

    "Paste >= 2.0.3, < 3.4",

    "bleach >= 3.0, < 3.2",

    "Click >= 7.0, < 8",

    "ipaddr >= 2.2.0, < 2.3",

    "paginate >= 0.5, < 0.6",

    "paginate_sqlalchemy >= 0.3.0, < 0.4",

]

if not is_windows:

    requirements.append("bcrypt >= 3.1.0, < 3.2")

dependency_links = [

]

classifiers = [

    'Development Status :: 4 - Beta',

    'Environment :: Web Environment',

    'Framework :: Pylons',

    'Intended Audience :: Developers',

    'License :: OSI Approved :: GNU General Public License (GPL)',

    'Operating System :: OS Independent',

    'Programming Language :: Python :: 3.6',

    'Programming Language :: Python :: 3.7',

    'Programming Language :: Python :: 3.8',

    'Topic :: Software Development :: Version Control',

]

# additional files from project that goes somewhere in the filesystem

# relative to sys.prefix

data_files = []

description = ('Kallithea is a fast and powerful management tool '

               'for Mercurial and Git with a built in push/pull server, '

               'full text search and code-review.')

keywords = ' '.join([

    'kallithea', 'mercurial', 'git', 'code review',

    'repo groups', 'ldap', 'repository management', 'hgweb replacement',

    'hgwebdir', 'gitweb replacement', 'serving hgweb',

])

# long description

README_FILE = 'README.rst'

try:

    long_description = open(README_FILE).read()

except IOError as err:

    sys.stderr.write(

    )

    long_description = description

sdist_org = sdist.sdist

class sdist_new(sdist_org):

    def initialize_options(self):

        sdist_org.initialize_options(self)

        self.owner = self.group = 'root'

sdist.sdist = sdist_new

packages = setuptools.find_packages(exclude=['ez_setup'])

setuptools.setup(

    name='Kallithea',

    version=__version__,

    description=description,

    long_description=long_description,

    keywords=keywords,

    license=__license__,

    author=__author__,

    author_email='kallithea@sfconservancy.org',

    dependency_links=dependency_links,

    url=__url__,

    install_requires=requirements,

    classifiers=classifiers,

    data_files=data_files,

    packages=packages,

    include_package_data=True,

    message_extractors={'kallithea': [

            ('**.py', 'python', None),

            ('templates/**.mako', 'mako', {'input_encoding': 'utf-8'}),

            ('templates/**.html', 'mako', {'input_encoding': 'utf-8'}),

            ('public/**', 'ignore', None)]},

    zip_safe=False,

    entry_points="""

    [console_scripts]

    kallithea-api =    kallithea.bin.kallithea_api:main

    kallithea-gist =   kallithea.bin.kallithea_gist:main

    kallithea-config = kallithea.bin.kallithea_config:main

    kallithea-cli =    kallithea.bin.kallithea_cli:cli

    [paste.app_factory]

    main = kallithea.config.middleware:make_app

    """,

)