[chronojump-server] Implemented control over sprints button on index page

[Max Ros i Morejon <maxros src gnome org>]

commit b65e5c6cd444ed5d04114e49098d81b03ef6ae92
Author: Max Ros i Morejon <mros33 gmail com>
Date:   Mon Jul 8 12:26:54 2019 +0200

    Implemented control over sprints button on index page

 .../chronojump_networks/organizations/models.py    | 38 ++++++++++++++--------
 .../chronojump_networks/templates/pages/index.html |  7 ++++
 2 files changed, 31 insertions(+), 14 deletions(-)
---
diff --git a/chronojumpserver-django/chronojump_networks/organizations/models.py 
b/chronojumpserver-django/chronojump_networks/organizations/models.py
index d33a53b..fe3ef4d 100644
--- a/chronojumpserver-django/chronojump_networks/organizations/models.py
+++ b/chronojumpserver-django/chronojump_networks/organizations/models.py
@@ -113,20 +113,6 @@ class User(AbstractUser):
         exercices = Exercise.objects.filter(station_id__in = station_list)
         return exercices
     
-    def groups_involved(self):
-        res_list = [g.group.id for g in self.groups_by_coach.all()]
-        sec_list = [r.id for r in self.groups_responsible.all()]
-        res_list.extend(group for group in sec_list if group not in res_list)
-        groups = Group.objects.filter(id__in = res_list)
-        return groups
-    
-    def groups_resp(self):
-        res_list = [r.id for r in self.groups_responsible.all()]
-        if res_list: 
-            return True
-        else: 
-            return False
-    
     #def sprint_stations_by_coach(self):
         #group_list = [g.group.id for g in self.groups_by_coach.all()]
         #group_organizations = Organization.objects.filter(groups__in = group_list)
@@ -141,7 +127,31 @@ class User(AbstractUser):
         #station_list = self.sprint_stations_by_coach()
         #exercices = Exercise.objects.filter(station_id__in = station_list)
         #return exercices
+    
+    def groups_involved(self):
+        res_list = [g.group.id for g in self.groups_by_coach.all()]
+        sec_list = [r.id for r in self.groups_responsible.all()]
+        res_list.extend(group for group in sec_list if group not in res_list)
+        groups = Group.objects.filter(id__in = res_list)
+        return groups
+    
+    def groups_resp(self):
+        res_list = [r.id for r in self.groups_responsible.all()]
+        if res_list: 
+            return True
+        else: 
+            return False
         
+    def sprint_exist(self):
+        gyms = [g.id for g in self.organization().gyms.all()]
+        gyms = Gym.objects.filter(id__in = gyms)
+        for g in gyms: 
+            stations = [s.id for s in g.stations.all()]
+            stations = Station.objects.filter(id__in = stations)
+            sprints = stations.filter(type__exact = 'S')
+            if sprints:
+                return True
+        return False
     
 
 class Organization(ChronojumpBaseModel):
diff --git a/chronojumpserver-django/chronojump_networks/templates/pages/index.html 
b/chronojumpserver-django/chronojump_networks/templates/pages/index.html
index 997236c..a13328d 100644
--- a/chronojumpserver-django/chronojump_networks/templates/pages/index.html
+++ b/chronojumpserver-django/chronojump_networks/templates/pages/index.html
@@ -59,12 +59,19 @@
     <!-- Results -->
     <h2 class="text-center">{% trans 'Player results' %}</h2>
     <div class="row buttons">
+    {% if user.sprint_exist %}
       <div class="col-sm-6">
         <a class="btn btn-outline-dark btn-block font-weight-bold text-uppercase" href="{% url 
'results:list' %}">{% trans 'Encoder results' %}</a>
       </div>
+      
       <div class="col-sm-6">
         <a class="btn btn-outline-dark btn-block font-weight-bold text-uppercase" href="{% url 
'results:sprint' %}">{% trans 'Sprint results' %}</a>
       </div>
+    {% else %}
+      <div class="col-sm-12">
+        <a class="btn btn-outline-dark btn-block font-weight-bold text-uppercase" href="{% url 
'results:list' %}">{% trans 'Encoder results' %}</a>
+      </div>
+    {% endif %}
     </div>
     {% if user.groups_involved %}
     <h2 class="text-center">{% trans 'My Groups' %}</h2>