Add group message feature

group/forms.py

@@ -0,0 +1,8 @@
+from django import forms
+
+class MessageForm(forms.Form):
+    message = forms.CharField(max_length=150)
+
+#class MessageReplyForm(forms.Form):
+#    message = forms.CharField(max_length=150)
+    

group/models.py

@@ -1,3 +1,14 @@
+import datetime
 from django.db import models
 
-# Create your models here.
+class GroupMessage(models.Model):
+    group_id = models.IntegerField()
+    from_email = models.EmailField()
+    message = models.CharField(max_length=150)
+    timestamp = models.DateTimeField(default=datetime.datetime.now)
+
+class MessageReply(models.Model):
+    reply_to = models.ForeignKey(GroupMessage)
+    from_email = models.EmailField()
+    message = models.CharField(max_length=150)
+    timestamp = models.DateTimeField(default=datetime.datetime.now)

group/templates/group/group_info.html

@@ -65,6 +65,62 @@
 {% else %}
 <p>暂无</p>
 {% endif %}
+
+<div id="group-reply">
+<h3>留言板 （全部{{ msg_cnt }}条）</h3>
+<form action="" method="post">
+  <textarea name="message" id="message">{{ form.data.message }}</textarea><br />
+  <input type="submit" value="留言" class="submit" />  
+  {% for error in form.message.errors %}
+  <span class="error">{{ error|escape }}</span>
+  {% endfor %}
+</form>
+
+{% if group_msgs %}
+<ul class="replies">
+  {% for msg in group_msgs %}
+  
+  {% avatar msg.from_email 48 %}
+  
+  <li id="li{{ msg.id }}">
+    <span class="from">
+    {{ msg.from_email }}
+    </span>
+    
+    <span class="ts">
+    {{ msg.timestamp|date:"Y-m-d H:i" }}
+    </span>
+    
+    <div class="msg-op">
+      <span class="msg">{{ msg.message }}</span>
+      <span>
+        <a class="op reply" href="#" data="{{ msg.id }}" >回复（{{ msg.reply_cnt }}）</a>
+        <a class="op replyclose" href="#" data="{{ msg.id }}" style="display:none; " >收起回复</a>        
+      </span>
+    </div>
+    
+    <div class="reply-list"></div>
+    
+    <form class="hide reply-form" method="post" action="">
+      <input type="hidden" name="msg_id" value="{{ msg.id }}"/>
+      <input type="text" name="message" />
+      <input type="submit" value="回复" />
+    </form>
+  </li>
+  {% endfor %}
+</ul>
+{% endif %}
+</div>
+
+<div id="paginator">
+    {% if current_page != 1 %}
+    <a href="{{ SITE_ROOT }}group/{{ group.id}}/?page={{ prev_page }}&per_page={{ per_page }}">上一页</a>
+    {% endif %}
+    {% if page_next %}
+    <a href="{{ SITE_ROOT }}group/{{ group.id }}/?page={{ next_page }}&per_page={{ per_page }}">下一页</a>
+    {% endif %}
+</div>
+
 </div>
 
 <div id="user-profile" class="user-profile ovhd hide"></div>
@@ -178,5 +234,120 @@ $('#user-profile').hover(
     }
 );
 
+    $('.reply').each(function() {
+        $(this).click(function() {
+            var msg_id = $(this).attr('data');
+            $.ajax({
+                url: "{{ SITE_ROOT }}group/reply/"+msg_id+"/",
+                dataType: 'json',
+                cache: false,
+                contentType: 'application/json; charset=utf-8',
+                success: function(data) {
+                    var str_con = '';
+                    var show = function(data_) {
+                        for (var i = 0, len = data_.length; i < len; i++) {
+                            var msg = data_[i]['fields']['message'];
+                            str_con += '<p>';
+                            str_con += msg;
+                            str_con += '</p>';
+                        }
+                    };
+                    show(data);
+                    var s = '#li' + msg_id + ' > .reply-list';
+                    var s1 = '#li' + msg_id + ' > form';
+                    $(s).html(str_con);
+                    $(s).show();
+                    $(s1).removeClass('hide');
+                }
+            });
+            $(this).hide();
+            
+            var s3 = '#li' + msg_id + ' a~a';
+            $(s3).show();
+            
+            return false;
+        });
+    });
+
+    $('.replyclose').each(function() {
+        $(this).click(function() {
+            var msg_id = $(this).attr('data');
+            var s1 = '#li' + msg_id + ' a';
+            var s2 = '#li' + msg_id + ' > .reply-list';
+            var s3 = '#li' + msg_id + ' > form';
+            var s4 = '#li' + msg_id + ' a~a';
+
+            $(s2).hide();
+            $(s3).addClass('hide');
+            $(s1).show();
+            $(s4).hide();
+            return false;
+        });
+    });
+    
+    $('.reply-form').each(function(){
+        $(this).submit(function(event) {
+            // prepare django csrf token
+            $.ajaxSetup({ 
+                beforeSend: function(xhr, settings) {
+                    function getCookie(name) {
+                        var cookieValue = null;
+                        if (document.cookie && document.cookie != '') {
+                        var cookies = document.cookie.split(';');
+                        for (var i = 0; i < cookies.length; i++) {
+                            var cookie = jQuery.trim(cookies[i]);
+                            // Does this cookie string begin with the name we want?
+                            if (cookie.substring(0, name.length + 1) == (name + '=')) {
+                            cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
+                            break;
+                            }
+                         }
+                         }
+                         return cookieValue;
+                    }
+                    if (!(/^http:.*/.test(settings.url) || /^https:.*/.test(settings.url))) {
+                    // Only send the token to relative URLs i.e. locally.
+                    xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
+                    }
+                } 
+            });
+
+            var $form = $( this ),
+                m_id = $form.find( 'input[name="msg_id"]' ).val(),
+                m = $form.find( 'input[name="message"]' ).val();
+
+            $.ajax({
+                type: "POST",
+                url: "{{ SITE_ROOT }}group/reply/"+m_id+"/",
+                dataType: 'json',
+                cache: false,
+                contentType: 'application/json; charset=utf-8',
+                data: "message="+m,
+                success: function(data) {
+
+                    var str_con = '';
+                    var show = function(data_) {
+                        for (var i = 0, len = data_.length; i < len; i++) {
+                            var msg = data_[i]['fields']['message'];
+                            str_con += '<p>';
+                            str_con += msg;
+                            str_con += '</p>';
+                        }
+                    };
+                    show(data);
+                    var s = '#li' + m_id + ' > .reply-list';
+                    var s1 = '#li' + m_id + ' > form';
+                    $(s1).removeClass('hide');
+                    $(s).html(str_con);
+
+                    var s2 = '#li' + m_id + ' .reply';
+                    var t = '回复（' + data.length+ '）';
+                    $(s2).text(t);
+                    $form.find('input[name="message"]').val("");
+                }
+            });
+            return false;
+        });
+    });
 </script>
 {% endblock %}

group/templates/group/groups.html

@@ -32,7 +32,7 @@
 <p>暂无</p>
 {% endif %}
 
-<form id="group-add-form" action="{{ SITE_ROOT }}group/" method="post" name="group-add-form" class="hide">
+<form id="group-add-form" action="{{ SITE_ROOT }}groups/" method="post" name="group-add-form" class="hide">
     <label>小组名称：</label><br />
     <input id="group_name" name="group_name" value="" /><br />
     <input type="submit" value="提交" />

group/templates/group/msg_reply.html

@@ -0,0 +1,61 @@
+{% extends "myhome_base.html" %}
+{% load seahub_tags avatar_tags %}
+
+{% block nav_group_class %}class="cur"{% endblock %}
+
+{% block main_panel %}
+<div class="main fleft">
+<h2>留言</h2>
+<div>
+    <span>{% avatar msg.from_email 48 %}</span>
+    <div class="info">
+    <span class="from">{{ msg.from_email }}</span>
+    <span class="ts">{{ msg.timestamp|date:"Y-m-d H:i" }}</span>
+    </div>
+    <div class="reply">
+    <span class="msg">{{ msg.message }}</span>
+    </div>    
+</div>
+
+<div id="reply">
+<form action="" method="post">
+  <textarea name="message" id="message">{{ form.data.message }}</textarea><br />
+  <input type="submit" value="回复" class="submit" />  
+  {% for error in form.message.errors %}
+  <span class="error">{{ error|escape }}</span>
+  {% endfor %}
+</form>
+</div>
+
+</div>
+
+{% endblock %}
+
+{% block extra_script %}
+<script type="text/javascript">
+    addConfirmTo($('#quit-group'), '确定要退出？');
+    addConfirmTo($('.cancel-share'), '确定要取消共享该目录？');
+
+    $("table tr:gt(0)").hover(
+        function() {
+            $(this).find('img').css('cursor', 'pointer').removeClass('vh');
+        },
+        function() {
+            $(this).find('img').addClass('vh');
+        }
+    );
+
+    $('.download').click(function() {
+        window.open($(this).attr('data'));
+    });
+
+    $('.reply').each(function() {
+        $(this).click(function() {
+            var reply_to = $(this).attr('data');
+            $('#to_email').val(reply_to);            
+            $('#message').text("回复" + reply_to + "：");
+            $('#message').focus();
+        });
+    });
+</script>
+{% endblock %}

group/urls.py

@@ -1,11 +1,11 @@
 from django.conf.urls.defaults import *
 
-from views import group_list, group_operations, group_member_operations, \
-    group_members
+from views import group_list, group_info, group_member_operations, \
+    group_members, msg_reply
 
 urlpatterns = patterns('',
-    url(r'^$', group_list, name='group_list'),
-    (r'^(?P<group_id>[\d]+)/$', group_operations),
+    url(r'^(?P<group_id>[\d]+)/$', group_info, name='group_info'),
+    url(r'^reply/(?P<msg_id>[\d]+)/$', msg_reply, name='msg_reply'),
     url(r'^(?P<group_id>[\d]+)/members/$', group_members, name='group_members'),
     (r'^(?P<group_id>[\d]+)/member/(?P<user_name>[^/]+)/$', group_member_operations),
 )

group/views.py

@@ -1,5 +1,6 @@
 # encoding: utf-8
 from django.core.urlresolvers import reverse
+from django.core import serializers
 from django.http import HttpResponse, HttpResponseRedirect, Http404
 from django.shortcuts import render_to_response, redirect
 from django.template import RequestContext
@@ -9,6 +10,8 @@ from seaserv import ccnet_rpc, ccnet_threaded_rpc, seafserv_threaded_rpc, get_re
     get_group_repoids, check_group_staff
 from pysearpc import SearpcError
 
+from models import GroupMessage, MessageReply
+from forms import MessageForm
 from seahub.contacts.models import Contact
 from seahub.utils import go_error, go_permission_error, validate_group_name
 from seahub.views import validate_emailuser
@@ -41,16 +44,6 @@ def group_list(request):
             "groups": groups,
             }, context_instance=RequestContext(request))
 
-@login_required
-def group_operations(request, group_id):
-    op = request.GET.get('op', '')
-    if op == 'delete':
-        return group_remove(request, group_id)
-    elif op == 'quit':
-        return group_quit(request, group_id)
-    else:
-        return group_info(request, group_id )
-
 @login_required
 def group_remove(request, group_id):
     try:
@@ -96,8 +89,7 @@ def group_quit(request, group_id):
         
     return HttpResponseRedirect(reverse('group_list', args=[]))
 
-@login_required
-def group_info(request, group_id):
+def render_group_info(request, group_id, form):
     try:
         group_id_int = int(group_id)
     except ValueError:
@@ -146,6 +138,29 @@ def group_info(request, group_id):
             repo.share_from_me = False
         repos.append(repo)
 
+    """group messages"""
+    # Make sure page request is an int. If not, deliver first page.
+    try:
+        current_page = int(request.GET.get('page', '1'))
+        per_page= int(request.GET.get('per_page', '15'))
+    except ValueError:
+        current_page = 1
+        per_page = 15
+
+    msgs_plus_one = GroupMessage.objects.filter(group_id=group_id).order_by('-timestamp')[per_page*(current_page-1) : per_page*current_page+1]
+
+    if len(msgs_plus_one) == per_page + 1:
+        page_next = True
+    else:
+        page_next = False
+
+    group_msgs = msgs_plus_one[:per_page]
+    for msg in group_msgs:
+        msg.reply_list = MessageReply.objects.filter(reply_to=msg)
+        msg.reply_cnt = len(msg.reply_list)
+        
+    msg_cnt = GroupMessage.objects.filter(group_id=group_id).count()
+
     return render_to_response("group/group_info.html", {
             "managers": managers,
             "common_members": common_members,
@@ -154,8 +169,75 @@ def group_info(request, group_id):
             "group" : group,
             "is_staff": is_staff,
             "is_join": joined,
+            "group_msgs": group_msgs,
+            "msg_cnt": msg_cnt,
+            "form": form,
+            'current_page': current_page,
+            'prev_page': current_page-1,
+            'next_page': current_page+1,
+            'per_page': per_page,
+            'page_next': page_next,
             }, context_instance=RequestContext(request));
 
+@login_required
+def msg_reply(request, msg_id):
+    """Show group message replies, and process message reply in ajax"""
+    if request.is_ajax():
+        if request.method == 'POST':
+            form = MessageForm(request.POST)
+
+            # TODO: invalid form
+            if form.is_valid():
+                msg = form.cleaned_data['message']
+                try:
+                    group_msg = GroupMessage.objects.get(id=msg_id)
+                except GroupMessage.DoesNotExist:
+                    return HttpResponse(status=400)
+            
+                msg_reply = MessageReply()
+                msg_reply.reply_to = group_msg
+                msg_reply.from_email = request.user.username
+                msg_reply.message = msg
+                msg_reply.save()
+            
+        format = 'json'
+        mimetype = 'application/javascript'
+        try:
+            msg = GroupMessage.objects.get(id=msg_id)
+        except GroupMessage.DoesNotExist:
+            raise HttpResponse(status=400)
+        
+        data = serializers.serialize(format, MessageReply.objects.filter(reply_to=msg))
+        
+        return HttpResponse(data,mimetype)
+    else:
+        return HttpResponse(status=400)
+
+@login_required
+def group_info(request, group_id):
+    if request.method == 'POST':
+        form = MessageForm(request.POST)
+
+        if form.is_valid():
+            msg = form.cleaned_data['message']
+            message = GroupMessage()
+            message.group_id = group_id
+            message.from_email = request.user.username
+            message.message = msg
+            message.save()
+            # clear form data
+            form = MessageForm()
+    else:
+        form = MessageForm()
+        
+        op = request.GET.get('op', '')
+        if op == 'delete':
+            return group_remove(request, group_id)
+        elif op == 'quit':
+            return group_quit(request, group_id)
+
+    return render_group_info(request, group_id, form)
+
 @login_required
 def group_members(request, group_id):
     try:

media/css/seahub.css

@@ -442,3 +442,31 @@ h2.repo-history {
     font-size:12px;
     margin-top:10px;
 }
+
+/* group message and replies */
+#group-reply textarea{
+    width: 680px;
+    height: 100px;
+}
+#group-reply ul {
+    margin-top: 20px;
+}
+#group-reply li {
+    border-bottom: 1px dashed #999;
+    overflow: hidden;
+    min-height: 55px;
+}
+#group-reply .reply-list {
+    padding-bottom: 6px;
+}
+#group-reply .from {
+    color: #880088;
+}
+#group-reply .ts {
+    color: #808080;
+    font-size: 10px;
+}
+#group-reply .msg-op .msg {
+    display: inline-block;
+}
+

templates/myhome_base.html

@@ -11,7 +11,7 @@
     </li>
     {% endif %}
     <li>
-        <a href="{{ SITE_ROOT }}group/" {% block nav_group_class %}{% endblock %}>小组</a>
+        <a href="{{ SITE_ROOT }}groups/" {% block nav_group_class %}{% endblock %}>小组</a>
     </li>
     <li>
         <a href="{{ SITE_ROOT }}shareadmin/" {% block nav_shareadmin_class %}{% endblock %}>共享管理</a>

urls.py

@@ -12,6 +12,7 @@ from seahub.views import root, peers, myhome, \
     seafile_access_check, back_local, repo_history_changes
 from seahub.notifications.views import notification_list
 from seahub.share.views import share_admin
+from seahub.group.views import group_list
 
 # Uncomment the next two lines to enable the admin:
 #from django.contrib import admin
@@ -66,6 +67,7 @@ urlpatterns = patterns('',
     url(r'^sys/notificationadmin/', notification_list, name='notification_list'),
     (r'^contacts/', include('contacts.urls')),                       
     (r'^group/', include('seahub.group.urls')),
+    url(r'^groups/', group_list, name='group_list'),
     (r'^profile/', include('seahub.profile.urls')),
 
     ### SeaHub admin ###