# -*- 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.admin.gists

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

gist controller for Kallithea

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: May 9, 2013

:author: marcink

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

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

"""

import time

import logging

import traceback

import formencode.htmlfill

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

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from kallithea.model.forms import GistForm

from kallithea.model.gist import GistModel

from kallithea.model.meta import Session

from kallithea.model.db import Gist, User

from kallithea.lib import helpers as h

from kallithea.lib.base import BaseController, render

from kallithea.lib.auth import LoginRequired, NotAnonymous

from kallithea.lib.utils import jsonify

from kallithea.lib.helpers import Page

from webob.exc import HTTPNotFound, HTTPForbidden

from sqlalchemy.sql.expression import or_

from kallithea.lib.vcs.exceptions import VCSError, NodeNotChangedError

log = logging.getLogger(__name__)

class GistsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    def __load_defaults(self, extra_values=None):

        c.lifetime_values = [

            (str(-1), _('Forever')),

            (str(5), _('5 minutes')),

            (str(60), _('1 hour')),

            (str(60 * 24), _('1 day')),

            (str(60 * 24 * 30), _('1 month')),

        ]

        if extra_values:

            c.lifetime_values.append(extra_values)

        c.lifetime_options = [(c.lifetime_values, _("Lifetime"))]

    @LoginRequired()

    def index(self):

        """GET /admin/gists: All items in the collection"""

        # url('gists')

        not_default_user = c.authuser.username != User.DEFAULT_USER

        c.show_private = request.GET.get('private') and not_default_user

        c.show_public = request.GET.get('public') and not_default_user

        gists = Gist().query()\

            .filter(or_(Gist.gist_expires == -1, Gist.gist_expires >= time.time()))\

            .order_by(Gist.created_on.desc())

        # MY private

        if c.show_private and not c.show_public:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PRIVATE)\

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # MY public

        elif c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC)\

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # MY public+private

        elif c.show_private and c.show_public:

            gists = gists.filter(or_(Gist.gist_type == Gist.GIST_PUBLIC,

                                     Gist.gist_type == Gist.GIST_PRIVATE))\

                             .filter(Gist.gist_owner == c.authuser.user_id)

        # default show ALL public gists

        if not c.show_public and not c.show_private:

            gists = gists.filter(Gist.gist_type == Gist.GIST_PUBLIC)

        c.gists = gists

        p = safe_int(request.GET.get('page', 1), 1)

        c.gists_pager = Page(c.gists, page=p, items_per_page=10)

        return render('admin/gists/index.html')

    @LoginRequired()

    @NotAnonymous()

    def create(self):

        """POST /admin/gists: Create a new item"""

        # url('gists')

        self.__load_defaults()

        gist_form = GistForm([x[0] for x in c.lifetime_values])()

        try:

            form_result = gist_form.to_python(dict(request.POST))

            #TODO: multiple files support, from the form

            filename = form_result['filename'] or Gist.DEFAULT_FILENAME

            nodes = {

                filename: {

                    'content': form_result['content'],

                    'lexer': form_result['mimetype']  # None is autodetect

                }

            }

            _public = form_result['public']

            gist_type = Gist.GIST_PUBLIC if _public else Gist.GIST_PRIVATE

            gist = GistModel().create(

                description=form_result['description'],

                owner=c.authuser.user_id,

                gist_mapping=nodes,

                gist_type=gist_type,

                lifetime=form_result['lifetime']

            )

            Session().commit()

            new_gist_id = gist.gist_access_id

        except formencode.Invalid as errors:

            defaults = errors.value

            return formencode.htmlfill.render(

                render('admin/gists/new.html'),

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception as e:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during gist creation'), category='error')

            return redirect(url('new_gist'))

        return redirect(url('gist', gist_id=new_gist_id))

    @LoginRequired()

    @NotAnonymous()

    def new(self, format='html'):

        """GET /admin/gists/new: Form to create a new item"""

        # url('new_gist')

        self.__load_defaults()

        return render('admin/gists/new.html')

    @LoginRequired()

    @NotAnonymous()

    def update(self, gist_id):

        """PUT /admin/gists/gist_id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('gist', gist_id=ID),

        #           method='put')

        # url('gist', gist_id=ID)

    @LoginRequired()

    @NotAnonymous()

    def delete(self, gist_id):

        """DELETE /admin/gists/gist_id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('gist', gist_id=ID),

        #           method='delete')

        # url('gist', gist_id=ID)

        gist = GistModel().get_gist(gist_id)

        owner = gist.gist_owner == c.authuser.user_id

        if h.HasPermissionAny('hg.admin')() or owner:

            GistModel().delete(gist)

            Session().commit()

            h.flash(_('Deleted gist %s') % gist.gist_access_id, category='success')

        else:

            raise HTTPForbidden()

        return redirect(url('gists'))

    @LoginRequired()

    def show(self, gist_id, revision='tip', format='html', f_path=None):

        """GET /admin/gists/gist_id: Show a specific item"""

        # url('gist', gist_id=ID)

        c.gist = Gist.get_or_404(gist_id)

        #check if this gist is not expired

        if c.gist.gist_expires != -1:

            if time.time() > c.gist.gist_expires:

                log.error('Gist expired at %s',

                          time_to_datetime(c.gist.gist_expires))

                raise HTTPNotFound()

        try:

            c.file_changeset, c.files = GistModel().get_gist_files(gist_id,

                                                            revision=revision)

        except VCSError:

            log.error(traceback.format_exc())

            raise HTTPNotFound()

        if format == 'raw':

            response.content_type = 'text/plain'

            return content

        return render('admin/gists/show.html')

    @LoginRequired()

    @NotAnonymous()

    def edit(self, gist_id, format='html'):

        """GET /admin/gists/gist_id/edit: Form to edit an existing item"""

        # url('edit_gist', gist_id=ID)

        c.gist = Gist.get_or_404(gist_id)

        #check if this gist is not expired

        if c.gist.gist_expires != -1:

            if time.time() > c.gist.gist_expires:

                log.error('Gist expired at %s',

                          time_to_datetime(c.gist.gist_expires))

                raise HTTPNotFound()

        try:

            c.file_changeset, c.files = GistModel().get_gist_files(gist_id)

        except VCSError:

            log.error(traceback.format_exc())

            raise HTTPNotFound()

        self.__load_defaults(extra_values=('0', _('Unmodified')))

        rendered = render('admin/gists/edit.html')

        if request.POST:

            rpost = request.POST

            nodes = {}

            for org_filename, filename, mimetype, content in zip(

                                                    rpost.getall('org_files'),

                                                    rpost.getall('files'),

                                                    rpost.getall('mimetypes'),

                                                    rpost.getall('contents')):

                nodes[org_filename] = {

                    'org_filename': org_filename,

                    'filename': filename,

                    'content': content,

                    'lexer': mimetype,

                }

            try:

                GistModel().update(

                    gist=c.gist,

                    description=rpost['description'],

                    owner=c.gist.owner,

                    gist_mapping=nodes,

                    gist_type=c.gist.gist_type,

                    lifetime=rpost['lifetime']

                )

                Session().commit()

                h.flash(_('Successfully updated gist content'), category='success')

            except NodeNotChangedError:

                # raised if nothing was changed in repo itself. We anyway then

                # store only DB stuff for gist

                Session().commit()

                h.flash(_('Successfully updated gist data'), category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of gist %s') % gist_id,

                        category='error')

            return redirect(url('gist', gist_id=gist_id))

        return rendered

    @LoginRequired()

    @NotAnonymous()

    @jsonify

    def check_revision(self, gist_id):

        c.gist = Gist.get_or_404(gist_id)

        last_rev = c.gist.scm_instance.get_changeset()

        success = True

        revision = request.POST.get('revision')

        ##TODO: maybe move this to model ?

        if revision != last_rev.raw_id:

            log.error('Last revision %s is different than submitted %s',

                      revision, last_rev)

            # our gist has newer version than we

            success = False

        return {'success': success}

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

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

<%block name="title">

    ${_('Edit Gist')} · ${c.gist.gist_access_id}

</%block>

<%block name="js_extra">

  <script type="text/javascript" src="${h.url('/codemirror/lib/codemirror.js')}"></script>

  <script type="text/javascript" src="${h.url('/js/codemirror_loadmode.js')}"></script>

  <script type="text/javascript" src="${h.url('/codemirror/mode/meta.js')}"></script>

</%block>

<%block name="css_extra">

  <link rel="stylesheet" type="text/css" href="${h.url('/codemirror/lib/codemirror.css')}"/>

</%block>

<%def name="breadcrumbs_links()">

    ${_('Edit Gist')} · ${c.gist.gist_access_id}

</%def>

<%block name="header_menu">

    ${self.menu('gists')}

</%block>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <div class="table">

        <div id="edit_error" style="display: none" class="flash_msg">

            <div class="alert alert-dismissable alert-warning">

              <button type="button" class="close" data-dismiss="alert" aria-hidden="true"><i class="icon-cancel-circled"></i></button>

              ${h.literal(_('Gist was update since you started editing. Copy your changes and click %(here)s to reload new version.')

                             % {'here': h.link_to('here',h.url('edit_gist', gist_id=c.gist.gist_access_id))})}

            </div>

            <script>

            if (typeof jQuery != 'undefined') {

                $(".alert").alert();

            }

            </script>

        </div>

        <div id="files_data">

          ${h.form(h.url('edit_gist', gist_id=c.gist.gist_access_id), method='post', id='eform')}

            <div>

                <div class="gravatar">

                  ${h.gravatar(c.authuser.email, size=32)}

                </div>

                <input type="hidden" value="${c.file_changeset.raw_id}" name="parent_hash">

                <textarea style="resize:vertical; width:400px;border: 1px solid #ccc;border-radius: 3px;"

                          id="description" name="description"

                          placeholder="${_('Gist description ...')}">${c.gist.gist_description}</textarea>

                <div style="padding:0px 0px 0px 42px">

                    <label for='lifetime'>${_('Gist lifetime')}</label>

                    ${h.select('lifetime', '0', c.lifetime_options)}

                    <span class="" style="color: #AAA">

                     %if c.gist.gist_expires == -1:

                      ${_('Expires')}: ${_('Never')}

                     %else:

                      ${_('Expires')}: ${h.age(h.time_to_datetime(c.gist.gist_expires))}

                     %endif

                   </span>

                </div>

            </div>

            % for cnt, file in enumerate(c.files):

                <div id="body" class="codeblock" style="margin-bottom: 4px">

                    <div style="padding: 10px 10px 10px 26px;color:#666666">

                        <select id="mimetype_${h.FID('f',file.path)}" name="mimetypes"/>

                    </div>

                    <div class="editor_container">

                        <pre id="editor_pre"></pre>

                        <textarea id="editor_${h.FID('f',file.path)}" name="contents" style="display:none">${file.content}</textarea>

                    </div>

                </div>

                ## dynamic edit box.

                <script type="text/javascript">

                var myCodeMirror = initCodeMirror("editor_${h.FID('f',file.path)}", "${request.script_name}", '');

                //inject new modes

                var $modes_select = $('#mimetype_${h.FID('f',file.path)}');

                $modes_select.each(function(){

                    var modes_select = this;

                    var index = 1;

                    for(var i=0;i<CodeMirror.modeInfo.length;i++) {

                        var m = CodeMirror.modeInfo[i];

                        var opt = new Option(m.name, m.mime);

                        $(opt).attr('mode', m.mode);

                        if (m.mime == 'text/plain') {

                            // default plain text

                            $(opt).prop('selected', true);

                            modes_select.options[0] = opt;

                        } else {

                            modes_select.options[index++] = opt;

                        }

                    }

                });

                var $filename = $('#filename_${h.FID('f',file.path)}');

                // on select change set new mode

                $modes_select.change(function(e){

                    var selected = e.currentTarget;

                    var node = selected.options[selected.selectedIndex];

                    var detected_mode = CodeMirror.findModeByMIME(node.value);

                    setCodeMirrorMode(myCodeMirror, detected_mode);

                    var proposed_ext = CodeMirror.findExtensionByMode(detected_mode);

                    var file_data = CodeMirror.getFilenameAndExt($filename.val());

                    var filename = file_data['filename'] || 'filename1';

                    $filename.val(filename + '.' + proposed_ext);

                });

                // on type the new filename set mode

                $filename.keyup(function(e){

                    var file_data = CodeMirror.getFilenameAndExt(this.value);

                    if(file_data['ext'] != null){

                        var detected_mode = CodeMirror.findModeByExtension(file_data['ext']) || CodeMirror.findModeByMIME('text/plain');

                        if (detected_mode){

                            setCodeMirrorMode(myCodeMirror, detected_mode);

                            $modes_select.val(detected_mode.mime);

                        }

                    }

                });

                // set mode on page load

                var detected_mode = CodeMirror.findModeByExtension("${file.extension}");

                if (detected_mode){

                    setCodeMirrorMode(myCodeMirror, detected_mode);

                    $modes_select.val(detected_mode.mime);

                }

                </script>

            %endfor

            <div style="padding-top: 5px">

            ${h.submit('update',_('Update Gist'),class_="btn btn-mini btn-success")}

            <a class="btn btn-mini" href="${h.url('gist', gist_id=c.gist.gist_access_id)}">${_('Cancel')}</a>

            </div>

          ${h.end_form()}

          <script>

              $('#update').on('click', function(e){

                  e.preventDefault();

                  // check for newer version.

                  $.ajax({

                    url: "${h.url('edit_gist_check_revision', gist_id=c.gist.gist_access_id)}",

                    data: {'revision': '${c.file_changeset.raw_id}', '_authentication_token': _authentication_token},

                    dataType: 'json',

                    type: 'POST',

                    success: function(data) {

                      if(data.success == false){

                          $('#edit_error').show();

                      }

                      else{

                        $('#eform').submit();

                      }

                    }

                  });

              });

          </script>

        </div>

    </div>

</div>

</%def>

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

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

<%block name="title">

    ${_('Gist')} · ${c.gist.gist_access_id}

</%block>

<%def name="breadcrumbs_links()">

    ${_('Gist')} · ${c.gist.gist_access_id}

    / ${_('URL')}: ${c.gist.gist_url()}

</%def>

<%block name="header_menu">

    ${self.menu('gists')}

</%block>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

        %if c.authuser.username != 'default':

        <ul class="links">

          <li>

              <a href="${h.url('new_gist')}" class="btn btn-small btn-success"><i class="icon-plus"></i> ${_('Create New Gist')}</a>

          </li>

        </ul>

        %endif

    </div>

    <div class="table">

        <div id="files_data">

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

                <div class="code-header">

                    <div class="stats">

                        <div class="left" style="margin: -4px 0px 0px 0px">

                          %if c.gist.gist_type == 'public':

                            <div class="btn btn-mini btn-success disabled">${_('Public Gist')}</div>

                          %else:

                            <div class="btn btn-mini btn-warning disabled">${_('Private Gist')}</div>

                          %endif

                        </div>

                        <div class="left item">

                            ${c.gist.gist_description}

                        </div>

                        <div class="left item last" style="color: #AAA">

                         %if c.gist.gist_expires == -1:

                          ${_('Expires')}: ${_('Never')}

                         %else:

                          ${_('Expires')}: ${h.age(h.time_to_datetime(c.gist.gist_expires))}

                         %endif

                       </div>

                       %if h.HasPermissionAny('hg.admin')() or c.gist.gist_owner == c.authuser.user_id:

                        <div style="float:right">

                            ${h.form(url('gist', gist_id=c.gist.gist_id),method='delete')}

                                ${h.submit('remove_gist', _('Delete'),class_="btn btn-mini btn-danger",onclick="return confirm('"+_('Confirm to delete this Gist')+"');")}

                            ${h.end_form()}

                        </div>

                       %endif

                        <div class="buttons">

                          ## only owner should see that

                          %if h.HasPermissionAny('hg.admin')() or c.gist.gist_owner == c.authuser.user_id:

                            ${h.link_to(_('Edit'),h.url('edit_gist', gist_id=c.gist.gist_access_id),class_="btn btn-mini")}

                          %endif

                          ${h.link_to(_('Show as Raw'),h.url('formatted_gist', gist_id=c.gist.gist_access_id, format='raw'),class_="btn btn-mini")}

                        </div>

                    </div>

                    <div class="author">

                        <div class="gravatar">

                          ${h.gravatar(h.email_or_none(c.file_changeset.author), size=16)}

                        </div>

                        <div title="${c.file_changeset.author}" class="user">${h.person(c.file_changeset.author)} - ${_('created')} ${h.age(c.file_changeset.date)}</div>

                    </div>

                    <div class="commit">${h.urlify_commit(c.file_changeset.message,c.repo_name)}</div>

                </div>

            </div>

               ## iterate over the files

               % for file in c.files:

               <div style="border: 1px solid #EEE;margin-top:20px">

                <div id="${h.FID('G', file.path)}" class="stats" style="border-bottom: 1px solid #DDD;padding: 8px 14px;">

                    <a href="${c.gist.gist_url()}">¶</a>

                    <div style="float:right; margin: -5px">

                    </div>

                </div>

                <div class="code-body">

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

                </div>

              </div>

               %endfor

        </div>

    </div>

</div>

</%def>