import re
import logging
from datetime import datetime, timedelta
from urllib import unquote
from itertools import chain, islice

from bson import ObjectId
from tg import expose, flash, redirect, validate, request, response
from tg.decorators import with_trailing_slash, without_trailing_slash
from pylons import c, g
from webob import exc
import pymongo
from formencode import validators

from ming.utils import LazyProperty

from allura import model as M
from allura.app import SitemapEntry
from allura.lib.base import WsgiDispatchController
from allura.lib import helpers as h
from allura.lib import utils
from allura.lib.decorators import require_post
from allura.controllers.error import ErrorController
from allura.lib.security import require_access, has_access
from allura.lib.security import RoleCache
from allura.lib.widgets import forms as ff
from allura.lib.widgets import form_fields as ffw
from allura.lib.widgets import project_list as plw
from allura.lib import plugin, exceptions
from .auth import AuthController
from .search import SearchController, ProjectBrowseController
from .static import NewForgeController

log = logging.getLogger(__name__)

class W:
    resize_editor = ffw.AutoResizeTextarea()
    project_summary = plw.ProjectSummary()
    add_project = plugin.ProjectRegistrationProvider.get().add_project_widget(antispam=True)
    page_list = ffw.PageList()
    page_size = ffw.PageSize()
    project_select = ffw.NeighborhoodProjectSelect
    neighborhood_overview_form = ff.NeighborhoodOverviewForm()

class NeighborhoodController(object):
    '''Manages a neighborhood of projects.
    '''

    def __init__(self, neighborhood_name, prefix=''):
        self.neighborhood_name = neighborhood_name
        self.neighborhood = M.Neighborhood.query.get(name=self.neighborhood_name)
        self.prefix = prefix
        self.browse = NeighborhoodProjectBrowseController(neighborhood=self.neighborhood)
        self._admin = NeighborhoodAdminController(self.neighborhood)
        self._moderate = NeighborhoodModerateController(self.neighborhood)

    def _check_security(self):
        require_access(self.neighborhood, 'read')

    @expose()
    def _lookup(self, pname, *remainder):
        pname = unquote(pname)
        if not h.re_path_portion.match(pname):
            raise exc.HTTPNotFound, pname
        project = M.Project.query.get(shortname=self.prefix + pname, neighborhood_id=self.neighborhood._id)
        if project is None:
            project = self.neighborhood.neighborhood_project
            c.project = project
            return ProjectController()._lookup(pname, *remainder)
        if project.database_configured == False:
            if remainder == ('user_icon',):
                redirect(g.forge_static('images/user.png'))
            elif c.user.username == pname:
                log.info('Configuring %s database for access to %r',
                         pname, remainder)
                project.configure_project(is_user_project=True)
            else:
                raise exc.HTTPNotFound, pname
        c.project = project
        if project is None or (project.deleted and not has_access(c.project, 'update')()):
            raise exc.HTTPNotFound, pname
        if project.neighborhood.name != self.neighborhood_name:
            redirect(project.url())
        return ProjectController(), remainder

    @expose('jinja:allura:templates/neighborhood_project_list.html')
    @with_trailing_slash
    def index(self, sort='alpha', limit=25, page=0, **kw):
        c.project = self.neighborhood.neighborhood_project
        if self.neighborhood.redirect:
            redirect(self.neighborhood.redirect)
        c.project_summary = W.project_summary
        c.page_list = W.page_list
        limit, page, start = g.handle_paging(limit, page)
        pq = M.Project.query.find(dict(
                neighborhood_id=self.neighborhood._id,
                deleted=False,
                shortname={'$ne':'--init--'}
                ))
        if sort=='alpha':
            pq.sort('name')
        else:
            pq.sort('last_updated', pymongo.DESCENDING)
        count = pq.count()
        nb_max_projects = self.neighborhood.get_max_projects()
        projects = pq.skip(start).limit(int(limit)).all()
        categories = M.ProjectCategory.query.find({'parent_id':None}).sort('name').all()
        c.custom_sidebar_menu = []
        if h.has_access(self.neighborhood, 'register')() and (nb_max_projects is None or count < nb_max_projects):
            c.custom_sidebar_menu += [
                SitemapEntry('Add a Project', self.neighborhood.url()+'add_project', ui_icon=g.icons['plus']),
                SitemapEntry('')
            ]
        c.custom_sidebar_menu = c.custom_sidebar_menu + [
            SitemapEntry(cat.label, self.neighborhood.url()+'browse/'+cat.name) for cat in categories
        ]
        return dict(neighborhood=self.neighborhood,
                    title="Welcome to "+self.neighborhood.name,
                    text=g.markdown.convert(self.neighborhood.homepage),
                    projects=projects,
                    sort=sort,
                    limit=limit, page=page, count=count)

    @expose('jinja:allura:templates/neighborhood_add_project.html')
    @without_trailing_slash
    def add_project(self, **form_data):
        c.project = self.neighborhood.neighborhood_project
        require_access(self.neighborhood, 'register')
        c.add_project = W.add_project
        form_data['tools'] = ['Wiki','Git','Tickets','Downloads','Discussion']
        form_data['neighborhood'] = self.neighborhood.name
        return dict(neighborhood=self.neighborhood, form_data=form_data)

    @expose('json:')
    def suggest_name(self, project_name=None):
        new_name = re.sub("[^A-Za-z0-9]", "", project_name).lower()
        name_taken_message = plugin.ProjectRegistrationProvider.get().name_taken(new_name, self.neighborhood)
        if len(new_name) < 3 or len(new_name) > 15:
            name_taken_message = "Name must be 3-15 characters long."
        return dict(suggested_name=new_name, message=name_taken_message)

    @expose('json:')
    def check_name(self, project_name=None):
        name_taken_message = plugin.ProjectRegistrationProvider.get().name_taken(project_name, self.neighborhood)
        if not name_taken_message and not h.re_path_portion.match(project_name):
            name_taken_message = 'Please use only letters, numbers, and dashes 3-15 characters long.'
        return dict(message=name_taken_message)

    @h.vardec
    @expose()
    @validate(W.add_project, error_handler=add_project)
    @utils.AntiSpam.validate('Spambot protection engaged')
    @require_post()
    def register(self, project_unixname=None, project_description=None, project_name=None, neighborhood=None,
                 private_project=None, tools=None, **kw):
        require_access(self.neighborhood, 'register')
        if private_project:
            require_access(self.neighborhood, 'admin')
        neighborhood = M.Neighborhood.query.get(name=neighborhood)

        project_description = h.really_unicode(project_description or '').encode('utf-8')
        project_name = h.really_unicode(project_name or '').encode('utf-8')
        project_unixname = h.really_unicode(project_unixname or '').encode('utf-8').lower()
        try:
            c.project = neighborhood.register_project(project_unixname,
                    project_name=project_name, private_project=private_project)
        except exceptions.ProjectOverlimitError:
            flash("You have exceeded the maximum number of projects you are allowed to create", 'error')
            redirect('.')

        if project_description:
            c.project.short_description = project_description
        offset = c.project.next_mount_point(include_search=True)
        if tools and not neighborhood.project_template:
            for i, tool in enumerate(tools):
                c.project.install_app(tool, ordinal=i+offset)
        flash('Welcome to the SourceForge Project System! '
              'To get started, fill out some information about your project.')
        redirect(c.project.script_name + 'admin/overview')

    @expose()
    def icon(self):
        icon = self.neighborhood.icon
        if not icon:
            raise exc.HTTPNotFound
        return icon.serve()

class NeighborhoodProjectBrowseController(ProjectBrowseController):
    def __init__(self, neighborhood=None, category_name=None, parent_category=None):
        self.neighborhood = neighborhood
        super(NeighborhoodProjectBrowseController, self).__init__(category_name=category_name, parent_category=parent_category)
        self.nav_stub = '%sbrowse/' % self.neighborhood.url()
        self.additional_filters = {'neighborhood_id':self.neighborhood._id}

    @expose()
    def _lookup(self, category_name, *remainder):
        c.project = self.neighborhood.neighborhood_project
        category_name=unquote(category_name)
        return NeighborhoodProjectBrowseController(neighborhood=self.neighborhood, category_name=category_name, parent_category=self.category), remainder

    @expose('jinja:allura:templates/neighborhood_project_list.html')
    @without_trailing_slash
    def index(self, sort='alpha', limit=25, page=0, **kw):
        c.project_summary = W.project_summary
        c.page_list = W.page_list
        limit, page, start = g.handle_paging(limit, page)
        projects, count = self._find_projects(sort=sort, limit=limit, start=start)
        title=self._build_title()
        c.custom_sidebar_menu = self._build_nav()
        return dict(projects=projects,
                    title=title,
                    text=None,
                    neighborhood=self.neighborhood,
                    sort=sort,
                    limit=limit, page=page, count=count)

class HostNeighborhoodController(WsgiDispatchController, NeighborhoodController):
    '''Neighborhood controller with support for use as a root controller, for
    instance, when using adobe.sourceforge.net (if this is allowed).
    '''

    auth = AuthController()
    error = ErrorController()
    nf = NewForgeController()
    search = SearchController()

class ProjectController(object):

    def __init__(self):
        setattr(self, 'feed.rss', self.feed)
        setattr(self, 'feed.atom', self.feed)
        setattr(self, '_nav.json', self._nav)
        self.screenshot = ScreenshotsController()

    @expose('json:')
    def _nav(self):
        return dict(menu=[
                dict(name=s.label, url=s.url, icon=s.ui_icon)
                for s in c.project.sitemap() ])

    @expose()
    def _lookup(self, name, *remainder):
        name=unquote(name)
        if not h.re_path_portion.match(name):
            raise exc.HTTPNotFound, name
        subproject = M.Project.query.get(shortname=c.project.shortname + '/' + name,
                                         neighborhood_id=c.project.neighborhood_id)
        if subproject:
            c.project = subproject
            c.app = None
            return ProjectController(), remainder
        app = c.project.app_instance(name)
        if app is None:
            raise exc.HTTPNotFound, name
        c.app = app
        if not app.root:
            raise exc.HTTPNotFound, name

        return app.root, remainder

    def _check_security(self):
        require_access(c.project, 'read')

    @expose()
    @with_trailing_slash
    def index(self, **kw):
        mount = c.project.first_mount('read')
        if mount is not None:
            if 'ac' in mount:
                redirect(mount['ac'].options.mount_point + '/')
            elif 'sub' in mount:
                redirect(mount['sub'].url())
        elif c.project.app_instance('profile'):
            redirect('profile/')
        else:
            redirect(c.project.app_configs[0].options.mount_point + '/')

    @expose('jinja:allura:templates/project_sitemap.html')
    @without_trailing_slash
    def sitemap(self): # pragma no cover
        raise NotImplementedError, 'sitemap'

    @without_trailing_slash
    @expose()
    @validate(dict(
            since=h.DateTimeConverter(if_empty=None, if_invalid=None),
            until=h.DateTimeConverter(if_empty=None, if_invalid=None),
            page=validators.Int(if_empty=None),
            limit=validators.Int(if_empty=None)))
    def feed(self, since=None, until=None, page=None, limit=None):
        if request.environ['PATH_INFO'].endswith('.atom'):
            feed_type = 'atom'
        else:
            feed_type = 'rss'
        title = 'Recent changes to Project %s' % c.project.name
        feed = M.Feed.feed(
            dict(project_id=c.project._id),
            feed_type,
            title,
            c.project.url(),
            title,
            since, until, page, limit)
        response.headers['Content-Type'] = ''
        response.content_type = 'application/xml'
        return feed.writeString('utf-8')

    @expose()
    def icon(self):
        icon = c.project.icon
        if not icon:
            raise exc.HTTPNotFound
        return icon.serve()

    @expose()
    def user_icon(self):
        try:
            return self.icon()
        except exc.HTTPNotFound:
            redirect(g.forge_static('images/user.png'))

    @expose('json:')
    def user_search(self,term=''):
        if len(term) < 3:
            raise exc.HTTPBadRequest('"term" param must be at least length 3')
        users = M.User.by_display_name(term)
        named_roles = RoleCache(
            g.credentials,
            g.credentials.project_roles(project_id=c.project.root_project._id).named)
        result = [ [], [] ]
        for u in users:
            if u._id in named_roles.userids_that_reach:
                result[0].append(u)
            else:
                pass
                # comment this back in if you want non-project-member users
                # in the search results
                #result[1].append(u)
        result = list(islice(chain(*result), 10))
        return dict(
            users=[
                dict(
                    label='%s (%s)' % (u.get_pref('display_name'), u.username),
                    value=u.username,
                    id=u.username)
                for u in result])

class ScreenshotsController(object):

    @expose()
    def _lookup(self, filename, *args):
        if args:
            filename=unquote(filename)
        else:
            filename = unquote(request.path.rsplit('/', 1)[-1])
        return ScreenshotController(filename), args

class ScreenshotController(object):

    def __init__(self, filename):
        self.filename = filename

    @expose()
    def index(self, embed=True, **kw):
        return self._screenshot.serve(embed)

    @expose()
    def thumb(self, embed=True):
        return self._thumb.serve(embed)

    @LazyProperty
    def _screenshot(self):
        f = M.ProjectFile.query.get(
            project_id=c.project._id,
            category='screenshot',
            filename=self.filename)
        if not f: raise exc.HTTPNotFound
        return f

    @LazyProperty
    def _thumb(self):
        f = M.ProjectFile.query.get(
            project_id=c.project._id,
            category='screenshot_thumb',
            filename=self.filename)
        if not f: raise exc.HTTPNotFound
        return f

def set_nav(neighborhood):
    project = neighborhood.neighborhood_project
    if project:
        c.project = project
        g.set_app('admin')
    else:
        admin_url = neighborhood.url() + '_admin/'
        c.custom_sidebar_menu = [
            SitemapEntry('Overview', admin_url + 'overview'),
            SitemapEntry('Awards', admin_url + 'accolades')]

class NeighborhoodAdminController(object):
    def __init__(self, neighborhood):
        self.neighborhood = neighborhood
        self.awards = NeighborhoodAwardsController(self.neighborhood)
        self.stats = NeighborhoodStatsController(self.neighborhood)

    def _check_security(self):
        require_access(self.neighborhood, 'admin')

    @with_trailing_slash
    @expose()
    def index(self, **kw):
        utils.permanent_redirect('overview')

    @without_trailing_slash
    @expose('jinja:allura:templates/neighborhood_admin_overview.html')
    def overview(self, **kw):
        set_nav(self.neighborhood)
        c.overview_form = W.neighborhood_overview_form
        return dict(neighborhood=self.neighborhood)

    @without_trailing_slash
    @expose('jinja:allura:templates/neighborhood_admin_permissions.html')
    def permissions(self):
        set_nav(self.neighborhood)
        return dict(neighborhood=self.neighborhood)

    @expose('json:')
    def project_search(self, term=''):
        if len(term) < 3:
            raise exc.HTTPBadRequest('"term" param must be at least length 3')
        project_regex = re.compile('(?i)%s' % re.escape(term))
        projects = M.Project.query.find(dict(
            neighborhood_id=self.neighborhood._id, deleted=False,
            shortname=project_regex)).sort('shortname')
        return dict(
            projects=[
                dict(
                    label=p.shortname,
                    value=p.shortname,
                    id=p.shortname)
                for p in projects])

    @without_trailing_slash
    @expose('jinja:allura:templates/neighborhood_admin_accolades.html')
    def accolades(self):
        set_nav(self.neighborhood)
        awards = M.Award.query.find(dict(created_by_neighborhood_id=self.neighborhood._id)).all()
        awards_count = len(awards)
        grants = M.AwardGrant.query.find(dict(granted_by_neighborhood_id=self.neighborhood._id))
        grants_count = len(grants)
        c.project_select = W.project_select(self.neighborhood.url() + '_admin/project_search')
        return dict(
            awards=awards,
            awards_count=awards_count,
            grants=grants,
            grants_count=grants_count,
            neighborhood=self.neighborhood)

    @expose()
    @require_post()
    @validate(W.neighborhood_overview_form, error_handler=overview)
    def update(self, name=None, css=None, homepage=None, project_template=None, icon=None, **kw):
        self.neighborhood.name = name
        self.neighborhood.redirect = kw.pop('redirect', '')
        self.neighborhood.homepage = homepage
        self.neighborhood.css = css
        self.neighborhood.project_template = project_template
        self.neighborhood.allow_browse = kw.get('allow_browse', False)
        if icon is not None and icon != '':
            if self.neighborhood.icon:
                self.neighborhood.icon.delete()
            M.NeighborhoodFile.save_image(
                icon.filename, icon.file, content_type=icon.type,
                square=True, thumbnail_size=(48,48),
                thumbnail_meta=dict(neighborhood_id=self.neighborhood._id))
        redirect('overview')

    @expose('jinja:allura:templates/neighborhood_help.html')
    @with_trailing_slash
    def help(self, **kw):
        require_access(self.neighborhood, 'admin')
        set_nav(self.neighborhood)
        return dict(
            neighborhood=self.neighborhood,
        )

class NeighborhoodStatsController(object):

    def __init__(self, neighborhood):
        self.neighborhood = neighborhood

    @with_trailing_slash
    @expose('jinja:allura:templates/neighborhood_stats.html')
    def index(self, **kw):
        delete_count = M.Project.query.find(dict(neighborhood_id=self.neighborhood._id, deleted=True)).count()
        public_count = 0
        private_count = 0
        last_updated_30 = 0
        last_updated_60 = 0
        last_updated_90 = 0
        today_date = datetime.today()
        if M.Project.query.find(dict(neighborhood_id=self.neighborhood._id, deleted=False)).count() < 20000: # arbitrary limit for efficiency
            for p in M.Project.query.find(dict(neighborhood_id=self.neighborhood._id, deleted=False)):
                if p.private:
                    private_count = private_count + 1
                else:
                    public_count = public_count + 1
                    if today_date - p.last_updated < timedelta(days=30):
                        last_updated_30 = last_updated_30 + 1
                    if today_date - p.last_updated < timedelta(days=60):
                        last_updated_60 = last_updated_60 + 1
                    if today_date - p.last_updated < timedelta(days=90):
                        last_updated_90 = last_updated_90 + 1
    
        set_nav(self.neighborhood)
        return dict(
            delete_count = delete_count,
            public_count = public_count,
            private_count = private_count,
            last_updated_30 = last_updated_30,
            last_updated_60 = last_updated_60,
            last_updated_90 = last_updated_90,
            neighborhood = self.neighborhood,
        )

    @without_trailing_slash
    @expose('jinja:allura:templates/neighborhood_stats_adminlist.html')
    def adminlist(self, sort='alpha', limit=25, page=0, **kw):
        limit, page, start = g.handle_paging(limit, page)

        pq = M.Project.query.find(dict(neighborhood_id=self.neighborhood._id, deleted=False))
        if sort=='alpha':
            pq.sort('name')
        else:
            pq.sort('last_updated', pymongo.DESCENDING)
        count = pq.count()
        projects = pq.skip(start).limit(int(limit)).all()

        entries = []
        for proj in projects:
            admin_role = M.ProjectRole.query.get(project_id=proj.root_project._id,name='Admin')
            if admin_role is None:
                continue
            user_role_list = M.ProjectRole.query.find(dict(project_id=proj.root_project._id, name=None)).all()
            for ur in user_role_list:
                if ur.user is not None and admin_role._id in ur.roles:
                    entries.append({'project': proj, 'user': ur.user})

        set_nav(self.neighborhood)
        return dict(entries=entries,
                    sort=sort,
                    limit=limit, page=page, count=count,
                    page_list=W.page_list,
                    neighborhood=self.neighborhood,
                    )


class NeighborhoodModerateController(object):

    def __init__(self, neighborhood):
        self.neighborhood = neighborhood

    def _check_security(self):
        require_access(self.neighborhood, 'admin')

    @expose('jinja:allura:templates/neighborhood_moderate.html')
    def index(self, **kw):
        c.project = self.neighborhood.neighborhood_project
        other_nbhds = list(M.Neighborhood.query.find(dict(_id={'$ne':self.neighborhood._id})).sort('name'))
        return dict(neighborhood=self.neighborhood,
                    neighborhoods=other_nbhds)

    @expose()
    @require_post()
    def invite(self, pid, neighborhood_id, invite=None, uninvite=None):
        p = M.Project.query.get(shortname=pid, deleted=False,
                                neighborhood_id=ObjectId(neighborhood_id))
        if p is None:
            flash("Can't find %s" % pid, 'error')
            redirect('.')
        if p.neighborhood == self.neighborhood:
            flash("%s is already in the neighborhood" % pid, 'error')
            redirect('.')
        if invite:
            if self.neighborhood._id in p.neighborhood_invitations:
                flash("%s is already invited" % pid, 'warning')
                redirect('.')
            p.neighborhood_invitations.append(self.neighborhood._id)
            flash('%s invited' % pid)
        elif uninvite:
            if self.neighborhood._id not in p.neighborhood_invitations:
                flash("%s is already uninvited" % pid, 'warning')
                redirect('.')
            p.neighborhood_invitations.remove(self.neighborhood._id)
            flash('%s uninvited' % pid)
        redirect('.')

    @expose()
    @require_post()
    def evict(self, pid):
        p = M.Project.query.get(shortname=pid, neighborhood_id=self.neighborhood._id, deleted=False)
        if p is None:
            flash("Cannot evict  %s; it's not in the neighborhood"
                  % pid, 'error')
            redirect('.')
        if not p.is_root:
            flash("Cannot evict %s; it's a subproject" % pid, 'error')
            redirect('.')
        n = M.Neighborhood.query.get(name='Projects')
        p.neighborhood_id = n._id
        if self.neighborhood._id in p.neighborhood_invitations:
            p.neighborhood_invitations.remove(self.neighborhood._id)
        flash('%s evicted to Projects' % pid)
        redirect('.')

class NeighborhoodAwardsController(object):

    def __init__(self, neighborhood=None):
        if neighborhood is not None:
            self.neighborhood = neighborhood

    @expose('jinja:allura:templates/awards.html')
    def index(self, **kw):
        require_access(self.neighborhood, 'admin')
        awards = M.Award.query.find(dict(created_by_neighborhood_id=self.neighborhood._id))
        count = len(awards)
        return dict(awards=awards or [], count=count)

    @expose('jinja:allura:templates/award_not_found.html')
    def not_found(self, **kw):
        return dict()

    @expose('jinja:allura:templates/grants.html')
    def grants(self, **kw):
        require_access(self.neighborhood, 'admin')
        grants = M.AwardGrant.query.find(dict(granted_by_neighborhood_id=self.neighborhood._id))
        count = len(grants)
        return dict(grants=grants or [], count=count)

    @expose()
    def _lookup(self, award_id, *remainder):
        return AwardController(self.neighborhood, award_id), remainder

    @expose()
    @require_post()
    def create(self, icon=None, short=None, full=None):
        require_access(self.neighborhood, 'admin')
        app_config_id = ObjectId()
        tool_version = {'neighborhood': '0'}
        if short:
            award = M.Award(app_config_id=app_config_id, tool_version=tool_version)
            award.short = short
            award.full = full
            award.created_by_neighborhood_id = self.neighborhood._id
            if hasattr(icon, 'filename'):
                M.AwardFile.save_image(
                    icon.filename, icon.file, content_type=icon.type,
                    square=True, thumbnail_size=(48,48),
                    thumbnail_meta=dict(award_id=award._id))
        redirect(request.referer)

    @expose()
    @require_post()
    def grant(self, grant=None, recipient=None):
        require_access(self.neighborhood, 'admin')
        grant_q = M.Award.query.find(dict(short=grant,
            created_by_neighborhood_id=self.neighborhood._id)).first()
        recipient_q = M.Project.query.find(dict(
            neighborhood_id=self.neighborhood._id, shortname=recipient,
            deleted=False)).first()
        if grant_q and recipient_q:
            app_config_id = ObjectId()
            tool_version = {'neighborhood': '0'}
            award = M.AwardGrant(app_config_id=app_config_id,
                                 tool_version=tool_version)
            award.award_id = grant_q._id
            award.granted_to_project_id = recipient_q._id
            award.granted_by_neighborhood_id = self.neighborhood._id
            with h.push_context(recipient_q._id):
                g.post_event('project_updated')
        redirect(request.referer)

class AwardController(object):

    def __init__(self, neighborhood=None, award_id=None):
        self.neighborhood = neighborhood
        if award_id:
            self.award = M.Award.query.find(dict(_id=ObjectId(award_id),
                created_by_neighborhood_id=self.neighborhood._id)).first()

    @with_trailing_slash
    @expose('jinja:allura:templates/award.html')
    def index(self, **kw):
        require_access(self.neighborhood, 'admin')
        set_nav(self.neighborhood)
        if self.award is not None:
            return dict(award=self.award, neighborhood=self.neighborhood)
        else:
            redirect('not_found')

    @expose('jinja:allura:templates/award_not_found.html')
    def not_found(self, **kw):
        return dict()

    @expose()
    def _lookup(self, recipient, *remainder):
        recipient=unquote(recipient)
        return GrantController(self.neighborhood, self.award, recipient), remainder

    @expose()
    def icon(self):
        icon = self.award.icon
        if not icon:
            raise exc.HTTPNotFound
        return icon.serve()

    @expose()
    @require_post()
    def update(self, icon=None, short=None, full=None):
        require_access(self.neighborhood, 'admin')
        self.award.short = short
        self.award.full = full
        if hasattr(icon, 'filename'):
            if self.award.icon:
                self.award.icon.delete()
            M.AwardFile.save_image(
                icon.filename, icon.file, content_type=icon.type,
                square=True, thumbnail_size=(48,48),
                thumbnail_meta=dict(award_id=self.award._id))
        for grant in M.AwardGrant.query.find(dict(award_id=self.award._id)):
            with h.push_context(grant.granted_to_project_id):
                g.post_event('project_updated')
        flash('Award updated.')
        redirect(self.award.longurl())

    @expose()
    @require_post()
    def delete(self):
        require_access(self.neighborhood, 'admin')
        if self.award:
            grants = M.AwardGrant.query.find(dict(award_id=self.award._id))
            for grant in grants:
                grant.delete()
                with h.push_context(grant.granted_to_project_id):
                    g.post_event('project_updated')
            M.AwardFile.query.remove(dict(award_id=self.award._id))
            self.award.delete()
        redirect(request.referer)

class GrantController(object):

    def __init__(self, neighborhood=None, award=None, recipient=None):
        self.neighborhood = neighborhood
        if recipient is not None and award is not None:
            self.recipient = recipient.replace('_', '/')
            self.award = M.Award.query.get(_id=award._id)
            self.project = M.Project.query.find(dict(shortname=self.recipient,
                neighborhood_id=self.neighborhood._id)).first()
            self.grant = M.AwardGrant.query.get(award_id=self.award._id,
                granted_to_project_id=self.project._id)

    @with_trailing_slash
    @expose('jinja:allura:templates/grant.html')
    def index(self, **kw):
        require_access(self.neighborhood, 'admin')
        if self.grant is not None:
            return dict(grant=self.grant)
        else:
            redirect('not_found')

    @expose('jinja:allura:templates/award_not_found.html')
    def not_found(self, **kw):
        return dict()

    @expose()
    def icon(self):
        icon = self.award.icon
        if not icon:
            raise exc.HTTPNotFound
        return icon.serve()

    @expose()
    @require_post()
    def revoke(self):
        require_access(self.neighborhood, 'admin')
        self.grant.delete()
        with h.push_context(self.project._id):
            g.post_event('project_updated')
        redirect(request.referer)
