implemented join/leave teams

symposion/teams/urls.py

@@ -2,5 +2,8 @@ from django.conf.urls.defaults import *
 
 
 urlpatterns = patterns("symposion.teams.views",
-    url(r"^([\w\-]+)/$", "team_detail", name="team_detail"),
+    url(r"^(?P<slug>[\w\-]+)/$", "team_detail", name="team_detail"),
+    url(r"^(?P<slug>[\w\-]+)/join/$", "team_join", name="team_join"),
+    url(r"^(?P<slug>[\w\-]+)/leave/$", "team_leave", name="team_leave"),
+    
 )

symposion/teams/views.py

@@ -1,9 +1,35 @@
 from django.http import Http404
-from django.shortcuts import render, get_object_or_404
+from django.shortcuts import render, redirect, get_object_or_404
 
 from django.contrib.auth.decorators import login_required
 
-from symposion.teams.models import Team
+from symposion.teams.models import Team, Membership
+
+
+## perm checks
+#
+# @@@ these can be moved
+
+def can_join(team, user):
+    state = team.get_state_for_user(user)
+
+    if team.access == "open" and state is None:
+        return True
+    elif team.access == "invitation" and state is "invited":
+        return True
+    else:
+        return False
+
+
+def can_leave(team, user):
+    state = team.get_state_for_user(user)
+    if state == "member":  # managers can't leave at the moment
+        return True
+    else:
+        return False
+
+
+## views
 
 
 @login_required
@@ -16,4 +42,39 @@ def team_detail(request, slug):
     return render(request, "teams/team_detail.html", {
         "team": team,
         "state": state,
+        "can_join": can_join(team, request.user),
+        "can_leave": can_leave(team, request.user),
     })
+
+
+@login_required
+def team_join(request, slug):
+    team = get_object_or_404(Team, slug=slug)
+    state = team.get_state_for_user(request.user)
+    if team.access == "invitation" and state is None:
+        raise Http404()
+    
+    if can_join(team, request.user) and request.method == "POST":
+        membership, created = Membership.objects.get_or_create(team=team, user=request.user)
+        membership.state = "member"
+        membership.save()
+        # contrib.message
+        return redirect("team_detail", slug=slug)
+    else:
+        return redirect("team_detail", slug=slug)
+
+
+@login_required
+def team_leave(request, slug):
+    team = get_object_or_404(Team, slug=slug)
+    state = team.get_state_for_user(request.user)
+    if team.access == "invitation" and state is None:
+        raise Http404()
+    
+    if can_leave(team, request.user) and request.method == "POST":
+        membership = Membership.objects.get(team=team, user=request.user)
+        membership.delete()
+        # contrib.message
+        return redirect("dashboard")
+    else:
+        return redirect("team_detail", slug=slug)

symposion_project/templates/dashboard.html

@@ -132,18 +132,14 @@
         <div class="dashboard-panel-content">
             {% if user.memberships.exists %}
                 <h4>Your Teams</h4>
-                <ul>
+                <dl>
                     {% for membership in user.memberships.all %}
-                        <li>
-                            {% if membership.state == "manager" %}
-                                <a href="{% url team_detail membership.team.slug %}">{{ membership.team.name }}</a>
-                            {% else %}
-                                {{ membership.team.name }}
-                            {% endif %}
-                            <span class="badge">{{ membership.get_state_display }}</span>
-                        </li>
+                        <dt>
+                            <a href="{% url team_detail membership.team.slug %}">{{ membership.team.name }}</a>
+                            <span class="label">{{ membership.get_state_display }}</span>
+                        </dt>
                     {% endfor %}
-                </ul>
+                </dl>
             {% endif %}
             {% available_teams as available_teams %}
             {% if available_teams %}

symposion_project/templates/teams/team_detail.html

@@ -5,4 +5,18 @@
 {% block body %}
     <h1>{{ team.name }}</h1>
     
+    {% if can_join %}
+        <form method="post" action="{% url team_join team.slug %}">
+            {% csrf_token %}
+            <input type="submit" class="btn btn-primary" value="join">
+        </form>
+    {% endif %}
+    
+    {% if can_leave %}
+        <form method="post" action="{% url team_leave team.slug %}">
+            {% csrf_token %}
+            <input type="submit" class="btn" value="leave">
+        </form>
+    {% endif %}
+    
 {% endblock %}