From 2045386f7d09df9716f81ab523ffb619d8c6c887 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alex@spline.inf.fu-berlin.de>
Date: Wed, 19 Nov 2014 01:15:11 +0100
Subject: group_change: add form/template/view to change a group

---
 forms.py                    |  9 +++++++--
 templates/group_change.html | 25 +++++++++++++++++++++++++
 utils.py                    | 10 +++++++++-
 views.py                    | 19 ++++++++++++++++++-
 widgets.py                  |  9 +++++++++
 5 files changed, 68 insertions(+), 4 deletions(-)
 create mode 100644 templates/group_change.html

diff --git a/forms.py b/forms.py
index c19a699..ef8ab65 100644
--- a/forms.py
+++ b/forms.py
@@ -1,8 +1,8 @@
 from wtforms import HiddenField, validators
-from utils import Unique
 from models import Group
-from wtfpeewee.orm import model_form
+from wtfpeewee.orm import model_form, ModelConverter
 from flask.ext.wtf import Form
+from utils import Unique, ReadonlyField
 from widgets import TextArea
 
 
@@ -19,6 +19,11 @@ CreateGroup = model_form(Group, base_class=Form, exclude=['api_id'], field_args=
     'description': {'widget': TextArea(rows=7)}})
 
 
+ChangeGroup = model_form(Group, base_class=Form, exclude=['api_id'], field_args={
+    'description': {'widget': TextArea(rows=7)}},
+    converter=ModelConverter(overrides={'name': ReadonlyField}))
+
+
 class DeleteGroup(Form):
     id = HiddenField('group id', [validators.Required()]);
     sure = HiddenField('are you sure');
diff --git a/templates/group_change.html b/templates/group_change.html
new file mode 100644
index 0000000..9b95315
--- /dev/null
+++ b/templates/group_change.html
@@ -0,0 +1,25 @@
+{% extends "layout.html" %}
+{% from "_formhelpers.html" import render_field %}
+
+{% block head %}Group: {{group}}{% endblock %}
+
+{% block content %}
+<div class="panel panel-default">
+  <div class="panel-heading">
+    <h3 class="panel-title">Edit this group</h3>
+  </div>
+
+  <div class="panel-body">
+    <form class="form-horizontal" role="form" method="POST">
+      {% for field in change_form %}
+      {{ render_field(field) }}
+      {% endfor %}
+      <div class="form-group">
+        <div class="col-lg-10 col-lg-offset-2">
+          <button type="submit" class="btn btn-primary">Save group</button>
+        </div>
+      </div>
+    </form>
+  </div>
+</div>
+{% endblock %}
diff --git a/utils.py b/utils.py
index f414d1b..fbec4c9 100644
--- a/utils.py
+++ b/utils.py
@@ -1,6 +1,7 @@
 from functools import wraps
 from flask import request, render_template
-from wtforms import ValidationError
+from wtforms import Field, ValidationError
+from widgets import Static
 
 # using http://flask.pocoo.org/docs/patterns/viewdecorators/
 def templated(template=None):
@@ -35,3 +36,10 @@ class Unique(object):
             raise ValidationError(self.message)
         except self.model.DoesNotExist:
             pass
+
+
+class ReadonlyField(Field):
+    widget = Static()
+
+    def process_formdata(self, _):
+        pass
diff --git a/views.py b/views.py
index 7edb0f2..d881d21 100644
--- a/views.py
+++ b/views.py
@@ -3,7 +3,7 @@ from auth import auth
 from flask import g, request, redirect, render_template, url_for
 from flask_peewee.utils import get_object_or_404
 from models import Group, Member
-from forms import CreateGroup, DeleteGroup
+from forms import CreateGroup, DeleteGroup, ChangeGroup
 from utils import templated
 from filters import *
 
@@ -41,3 +41,20 @@ def group(group_name):
     else:
         form.id.data = group.id
     return {'group': group, 'members': group.members, 'delete_form': form}
+
+
+@app.route('/<group_name>/_change/', methods=['GET', 'POST'])
+@templated('group_change.html')
+@auth.login_required
+def group_change(group_name):
+    group = get_group_or_404(Group.name == group_name, Member.admin == True)
+    form = ChangeGroup(request.form, obj=group)
+    if form.validate_on_submit():
+        del form.name
+        form.populate_obj(group)
+        group.save()
+        return redirect(url_for('group', group_name=group.name))
+    return {'group': group,
+            'change_form': form,
+            'breadcrumbs': [{'href': url_for('group', group_name=group.name), 'text': group},
+                            {'text': 'Edit group'}]}
diff --git a/widgets.py b/widgets.py
index 77f3650..3e5d2b8 100644
--- a/widgets.py
+++ b/widgets.py
@@ -1,6 +1,15 @@
 import wtforms.widgets.core
 
 
+class Static(object):
+    def __call__(self, field, **kwargs):
+        kwargs.setdefault('id', field.id)
+        if kwargs['class_'] == 'form-control':
+            kwargs['class_'] = 'form-control-static'
+        html = ['<p %s>' % wtforms.widgets.core.html_params(**kwargs), field.data,'</p>']
+        return wtforms.widgets.core.HTMLString(''.join(html))
+
+
 class TextArea(wtforms.widgets.core.TextArea):
     def __init__(self, **kwargs):
         self.kwargs = kwargs
-- 
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