#!/usr/bin/env python

# encoding: utf-8

# changeset controller for pylons

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>

# 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; version 2

# of the License or (at your opinion) any later version of the license.

# 

# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

from rhodecode.lib.utils import EmptyChangeset

"""

Created on April 25, 2010

changeset controller for pylons

@author: marcink

"""

from pylons import tmpl_context as c, url, request, response

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.model.hg import HgModel

from vcs.exceptions import RepositoryError, ChangesetError

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

import logging

import traceback

log = logging.getLogger(__name__)

class ChangesetController(BaseController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(ChangesetController, self).__before__()

    def index(self, revision):

        hg_model = HgModel()

        cut_off_limit = 1024 * 250

        def wrap_to_table(str):

            return '''<table class="code-difftable">

                        <tr class="line">

                        <td class="lineno new"></td>

                        <td class="code"><pre>%s</pre></td>

                        </tr>

                      </table>''' % str

        try:

            c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)

            log.error(traceback.format_exc())

            return redirect(url('home'))

        else:

            try:

                c.changeset_old = c.changeset.parents[0]

            except IndexError:

                c.changeset_old = None

            c.changes = []

            #===================================================================

            # ADDED FILES

            #===================================================================

            c.sum_added = 0

            for node in c.changeset.added:

                filenode_old = FileNode(node.path, '', EmptyChangeset())

                if filenode_old.is_binary or node.is_binary:

                    diff = wrap_to_table(_('binary file'))

                else:

                    c.sum_added += node.size

                    if c.sum_added < cut_off_limit:

                        f_udiff = differ.get_udiff(filenode_old, node)

                        diff = differ.DiffProcessor(f_udiff).as_html()

                    else:

                        diff = wrap_to_table(_('Changeset is to big and was cut'

                                            ' off, see raw changeset instead'))

                cs1 = None

                cs2 = node.last_changeset.raw_id

                c.changes.append(('added', node, diff, cs1, cs2))

            #===================================================================

            # CHANGED FILES

            #===================================================================

            c.sum_removed = 0

            for node in c.changeset.changed:

                try:

                    filenode_old = c.changeset_old.get_node(node.path)

                except ChangesetError:

                    filenode_old = FileNode(node.path, '', EmptyChangeset())

                if filenode_old.is_binary or node.is_binary:

                    diff = wrap_to_table(_('binary file'))

                else:

                    if c.sum_removed < cut_off_limit:

                        f_udiff = differ.get_udiff(filenode_old, node)

                        diff = differ.DiffProcessor(f_udiff).as_html()

                        if diff:

                            c.sum_removed += len(diff)

                    else:

                        diff = wrap_to_table(_('Changeset is to big and was cut'

                                            ' off, see raw changeset instead'))

                cs1 = filenode_old.last_changeset.raw_id

                cs2 = node.last_changeset.raw_id

                c.changes.append(('changed', node, diff, cs1, cs2))

            #===================================================================

            # REMOVED FILES    

            #===================================================================

            for node in c.changeset.removed:

                c.changes.append(('removed', node, None, None, None))

        return render('changeset/changeset.html')

    def raw_changeset(self, revision):

        hg_model = HgModel()

        method = request.GET.get('diff', 'show')

        try:

            c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)

        except RepositoryError:

            log.error(traceback.format_exc())

            return redirect(url('home'))

        else:

            try:

                c.changeset_old = c.changeset.parents[0]

            except IndexError:

                c.changeset_old = None

            c.changes = []

            for node in c.changeset.added:

                filenode_old = FileNode(node.path, '')

                if filenode_old.is_binary or node.is_binary:

                    diff = _('binary file')

                else:

                    f_udiff = differ.get_udiff(filenode_old, node)

                    diff = differ.DiffProcessor(f_udiff).raw_diff()

                cs1 = None

                cs2 = node.last_changeset.raw_id

                c.changes.append(('added', node, diff, cs1, cs2))

            for node in c.changeset.changed:

#!/usr/bin/env python

# encoding: utf-8

# files controller for pylons

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>

# 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; version 2

# of the License or (at your opinion) any later version of the license.

# 

# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

"""

Created on April 21, 2010

files controller for pylons

@author: marcink

"""

from mercurial import archival

from pylons import request, response, session, tmpl_context as c, url

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.model.hg import HgModel

from vcs.exceptions import RepositoryError, ChangesetError

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

import logging

import rhodecode.lib.helpers as h

import tempfile

log = logging.getLogger(__name__)

class FilesController(BaseController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(FilesController, self).__before__()

        c.file_size_limit = 250 * 1024 #limit of file size to display

    def index(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = repo = hg_model.get_repo(c.repo_name)

        revision = request.POST.get('at_rev', None) or revision

        def get_next_rev(cur):

            max_rev = len(c.repo.revisions) - 1

            r = cur + 1

            if r > max_rev:

                r = max_rev

            return r

        def get_prev_rev(cur):

            r = cur - 1

            return r

        c.f_path = f_path

        try:

            prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).raw_id

            next_rev = repo.get_changeset(get_next_rev(cur_rev)).raw_id

            c.url_prev = url('files_home', repo_name=c.repo_name,

                             revision=prev_rev, f_path=f_path)

            c.url_next = url('files_home', repo_name=c.repo_name,

                             revision=next_rev, f_path=f_path)

            c.files_list = c.changeset.get_node(f_path)

            c.file_history = self._get_history(repo, c.files_list, f_path)

        return render('files/files.html')

    def rawfile(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = file_node.mimetype

        response.content_disposition = 'attachment; filename=%s' \

                                                    % f_path.split('/')[-1]

        return file_node.content

    def raw(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = 'text/plain'

        return file_node.content

    def annotate(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        cs = c.repo.get_changeset(revision)

        c.file = cs.get_node(f_path)

        c.file_msg = cs.get_file_message(f_path)

        c.cur_rev = cs.raw_id

        c.rev_nr = cs.revision

        c.f_path = f_path

        return render('files/files_annotate.html')

    def archivefile(self, repo_name, revision, fileformat):

        archive_specs = {

          '.tar.bz2': ('application/x-tar', 'tbz2'),

          '.tar.gz': ('application/x-tar', 'tgz'),

          '.zip': ('application/zip', 'zip'),

        }

        if not archive_specs.has_key(fileformat):

            return 'Unknown archive type %s' % fileformat

        def read_in_chunks(file_object, chunk_size=1024 * 40):

            """Lazy function (generator) to read a file piece by piece.

            Default chunk size: 40k."""

            while True:

                data = file_object.read(chunk_size)

                if not data:

                    break

                yield data

        archive = tempfile.TemporaryFile()

        repo = HgModel().get_repo(repo_name).repo

        fname = '%s-%s%s' % (repo_name, revision, fileformat)

        archival.archive(repo, archive, revision, archive_specs[fileformat][1],

                         prefix='%s-%s' % (repo_name, revision))

        response.content_type = archive_specs[fileformat][0]

        response.content_disposition = 'attachment; filename=%s' % fname

        archive.seek(0)

        return read_in_chunks(archive)

    def diff(self, repo_name, f_path):

        hg_model = HgModel()

        diff1 = request.GET.get('diff1')

        diff2 = request.GET.get('diff2')

        c.action = request.GET.get('diff')

        c.no_changes = diff1 == diff2

        c.f_path = f_path

        c.repo = hg_model.get_repo(c.repo_name)

        try:

            if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_1 = c.repo.get_changeset(diff1)

                node1 = c.changeset_1.get_node(f_path)

            else:

                c.changeset_1 = EmptyChangeset()

                node1 = FileNode('.', '', changeset=c.changeset_1)

            if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_2 = c.repo.get_changeset(diff2)

                node2 = c.changeset_2.get_node(f_path)

            else:

                c.changeset_2 = EmptyChangeset()

                node2 = FileNode('.', '', changeset=c.changeset_2)

        except RepositoryError:

            return redirect(url('files_home',

                                repo_name=c.repo_name, f_path=f_path))

        f_udiff = differ.get_udiff(node1, node2)

        diff = differ.DiffProcessor(f_udiff)

        if c.action == 'download':

            diff_name = '%s_vs_%s.diff' % (diff1, diff2)

            response.content_type = 'text/plain'

            response.content_disposition = 'attachment; filename=%s' \

                                                    % diff_name

            return diff.raw_diff()

<%inherit file="/base/base.html"/>

<%def name="title()">

    ${c.repo_name} ${_('Files')} - ${c.rhodecode_name}

</%def>

<%def name="breadcrumbs_links()">

    ${h.link_to(u'Home',h.url('/'))}

    »

    ${h.link_to(c.repo_name,h.url('files_home',repo_name=c.repo_name))}

    »

    ${_('files')}

    %if c.files_list:

    %endif        

</%def>

<%def name="page_nav()">

    ${self.menu('files')}     

</%def>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}     

    </div>

    <div class="table">

		<div id="files_data">

			%if c.files_list:

					%if c.files_list.is_dir():

						<%include file='files_browser.html'/>

					%else:

						<%include file='files_source.html'/>			

					%endif	

			%else:

				<h2>

					<a href="#" onClick="javascript:parent.history.back();" target="main">${_('Go back')}</a> 

					${_('No files at given path')}: "${c.f_path or "/"}" 

				</h2>

			%endif

		</div>    

    </div>

</div>    

</%def>    

<%def name="file_class(node)">

	%if node.is_file():

		<%return "browser-file" %>

	%else:

		<%return "browser-dir"%>

	%endif

</%def>

<div id="body" class="browserblock">

	<div class="browser-header">

		${h.form(h.url.current())}

		<div class="info_box">

          <span >${_('view')}@rev</span> 

          ${h.submit('view','view')}

	    </div>           

		${h.end_form()}

	</div>

	<div class="browser-body">

		<table class="code-browser">

		         <thead>

		             <tr>

		                 <th>${_('Name')}</th>

		                 <th>${_('Size')}</th>

		                 <th>${_('Mimetype')}</th>

		                 <th>${_('Revision')}</th>

		                 <th>${_('Last modified')}</th>

		                 <th>${_('Last commiter')}</th>

		             </tr>

		         </thead>

          		%if c.files_list.parent:

         		<tr class="parity0">

	          		<td>		          		

	          		</td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

				</tr>

          		%endif

		    %for cnt,node in enumerate(c.files_list,1):

				<tr class="parity${cnt%2}">

		             <td>

		             </td>

		             <td>

		             %if node.is_file():

		             	${h.format_byte_size(node.size,binary=True)}

		             %endif	

		             </td>

		             <td>

		              %if node.is_file():

		                  ${node.mimetype}

		              %endif

		             </td>

		             <td>

		             	%if node.is_file():

		             	%endif

		             </td>

		             <td>

		             	%if node.is_file():

		             	%endif

		             </td>

		             <td>

		             	%if node.is_file():

		             		${node.last_changeset.author}

		             	%endif                    

		             </td>

				</tr>

			%endfor

		</table>

	</div>

</div>

<dl>

	<dt>${_('Last revision')}</dt>

	<dd>

		${h.link_to("r%s:%s" % (c.files_list.last_changeset.revision,h.short_id(c.files_list.last_changeset.raw_id)),

						h.url('files_home',repo_name=c.repo_name,revision=c.files_list.last_changeset.raw_id,f_path=c.f_path))} 

	</dd>

	<dt>${_('Size')}</dt>

	<dd>${h.format_byte_size(c.files_list.size,binary=True)}</dd>

	<dt>${_('Mimetype')}</dt>

	<dd>${c.files_list.mimetype}</dd>

	<dt>${_('Options')}</dt>

	<dd>${h.link_to(_('show annotation'),

		 / ${h.link_to(_('show as raw'),

		 / ${h.link_to(_('download as raw'),

	</dd>

	<dt>${_('History')}</dt>

	<dd>

		<div>

		${h.form(h.url('files_diff_home',repo_name=c.repo_name,f_path=c.f_path),method='get')}

		${h.hidden('diff2',c.files_list.last_changeset.raw_id)}

		${h.select('diff1',c.files_list.last_changeset.raw_id,c.file_history)}

		${h.submit('diff','diff to revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

		${h.submit('show_rev','show at revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

		${h.end_form()}

		</div>

	</dd>

</dl>	

<div id="body" class="codeblock">

	<div class="code-header">

		<div class="revision">${c.files_list.name}@r${c.files_list.last_changeset.revision}:${h.short_id(c.files_list.last_changeset.raw_id)}</div>

		<div class="commit">"${c.files_list.last_changeset.message}"</div>

	</div>

	<div class="code-body">

		% if c.files_list.size < c.file_size_limit:

			${h.pygmentize(c.files_list,linenos=True,anchorlinenos=True,lineanchors='S',cssclass="code-highlight")}

		%else:

			${_('File is to big to display')} ${h.link_to(_('show as raw'),

		%endif

	</div>

</div>

<script type="text/javascript">

YAHOO.util.Event.onDOMReady(function(){

    YAHOO.util.Event.addListener('show_rev','click',function(e){

    	YAHOO.util.Event.preventDefault(e);

        var cs = YAHOO.util.Dom.get('diff1').value;

        var url = "${h.url('files_home',repo_name=c.repo_name,revision='__CS__',f_path=c.f_path)}".replace('__CS__',cs);

        window.location = url;

        });

   });

</script>