# HG changeset patch
# User Marcin Kuzminski <marcin@python-works.com>
# Date 1344700037 -7200
# Node ID 1de45f582f9d251ea861e11638700cea1624f755
# Parent  f4ff3b5bfc4285e8da19872db413382426a3369a
added more validations when opening pull request
- fixed issues with moving tags/bookmarks/branches after opened pull-request
- no longer possible to open a pull-request without changesets
- title is required
- validate reviewers and revisions

diff -r f4ff3b5bfc42 -r 1de45f582f9d rhodecode/controllers/pullrequests.py
--- a/rhodecode/controllers/pullrequests.py	Sat Aug 11 17:19:08 2012 +0200
+++ b/rhodecode/controllers/pullrequests.py	Sat Aug 11 17:47:17 2012 +0200
@@ -24,6 +24,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import logging
 import traceback
+import formencode
 
 from webob.exc import HTTPNotFound, HTTPForbidden
 from collections import defaultdict
@@ -48,6 +49,7 @@
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.comment import ChangesetCommentsModel
 from rhodecode.model.changeset_status import ChangesetStatusModel
+from rhodecode.model.forms import PullRequestForm
 
 log = logging.getLogger(__name__)
 
@@ -138,18 +140,31 @@
 
     @NotAnonymous()
     def create(self, repo_name):
-        req_p = request.POST
-        org_repo = req_p['org_repo']
-        org_ref = req_p['org_ref']
-        other_repo = req_p['other_repo']
-        other_ref = req_p['other_ref']
-        revisions = req_p.getall('revisions')
-        reviewers = req_p.getall('review_members')
+
+        try:
+            _form = PullRequestForm()().to_python(request.POST)
+        except formencode.Invalid, errors:
+            log.error(traceback.format_exc())
+            if errors.error_dict.get('revisions'):
+                msg = _('Cannot open a pull request with '
+                        'empty list of changesets')
+            elif errors.error_dict.get('pullrequest_title'):
+                msg = _('Pull request requires a title with min. 3 chars')
+            else:
+                msg = _('error during creation of pull request')
 
-        #TODO: wrap this into a FORM !!!
+            h.flash(msg, 'error')
+            return redirect(url('pullrequest_home', repo_name=repo_name))
 
-        title = req_p['pullrequest_title']
-        description = req_p['pullrequest_desc']
+        org_repo = _form['org_repo']
+        org_ref = _form['org_ref']
+        other_repo = _form['other_repo']
+        other_ref = _form['other_ref']
+        revisions = _form['revisions']
+        reviewers = _form['review_members']
+
+        title = _form['pullrequest_title']
+        description = _form['pullrequest_desc']
 
         try:
             pull_request = PullRequestModel().create(
@@ -163,7 +178,7 @@
             h.flash(_('Error occurred during sending pull request'),
                     category='error')
             log.error(traceback.format_exc())
-            return redirect(url('changelog_home', repo_name=org_repo,))
+            return redirect(url('pullrequest_home', repo_name=repo_name))
 
         return redirect(url('pullrequest_show', repo_name=other_repo,
                             pull_request_id=pull_request.pull_request_id))
@@ -190,12 +205,19 @@
         """
 
         org_repo = pull_request.org_repo
-        org_ref_type, org_ref_, org_ref = pull_request.org_ref.split(':')
+        (org_ref_type,
+         org_ref_name,
+         org_ref_rev) = pull_request.org_ref.split(':')
+
         other_repo = pull_request.other_repo
-        other_ref_type, other_ref, other_ref_ = pull_request.other_ref.split(':')
+        (other_ref_type,
+         other_ref_name,
+         other_ref_rev) = pull_request.other_ref.split(':')
 
-        org_ref = (org_ref_type, org_ref)
-        other_ref = (other_ref_type, other_ref)
+        # dispite opening revisions for bookmarks/branches/tags, we always
+        # convert this to rev to prevent changes after book or branch change
+        org_ref = ('rev', org_ref_rev)
+        other_ref = ('rev', other_ref_rev)
 
         c.org_repo = org_repo
         c.other_repo = other_repo
diff -r f4ff3b5bfc42 -r 1de45f582f9d rhodecode/model/forms.py
--- a/rhodecode/model/forms.py	Sat Aug 11 17:19:08 2012 +0200
+++ b/rhodecode/model/forms.py	Sat Aug 11 17:47:17 2012 +0200
@@ -321,3 +321,22 @@
         email = All(v.UniqSystemEmail(), v.Email)
 
     return _UserExtraEmailForm
+
+
+def PullRequestForm():
+    class _PullRequestForm(formencode.Schema):
+        allow_extra_fields = True
+        filter_extra_fields = True
+
+        user = v.UnicodeString(strip=True, required=True)
+        org_repo = v.UnicodeString(strip=True, required=True)
+        org_ref = v.UnicodeString(strip=True, required=True)
+        other_repo = v.UnicodeString(strip=True, required=True)
+        other_ref = v.UnicodeString(strip=True, required=True)
+        revisions = v.Set(required=True)
+        review_members = v.Set(required=True)
+
+        pullrequest_title = v.UnicodeString(strip=True, required=True, min=3)
+        pullrequest_desc = v.UnicodeString(strip=True, required=False)
+
+    return _PullRequestForm
\ No newline at end of file
diff -r f4ff3b5bfc42 -r 1de45f582f9d rhodecode/model/validators.py
--- a/rhodecode/model/validators.py	Sat Aug 11 17:19:08 2012 +0200
+++ b/rhodecode/model/validators.py	Sat Aug 11 17:47:17 2012 +0200
@@ -9,9 +9,8 @@
 from webhelpers.pylonslib.secure_form import authentication_token
 
 from formencode.validators import (
-    UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set
+    UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set,
 )
-
 from rhodecode.lib.utils import repo_name_slug
 from rhodecode.model.db import RepoGroup, Repository, UsersGroup, User
 from rhodecode.lib.exceptions import LdapImportError