From 9024aa7686bd19b2dff9fb8b015caae42d8111bf Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Fri, 9 Aug 2019 16:12:50 +0200
Subject: [PATCH] first model of basic alert functions

---
 rowers/alerts.py | 81 ++++++++++++++++++++++++++++++++++++++++++++++++
 rowers/models.py | 10 ++++--
 2 files changed, 89 insertions(+), 2 deletions(-)
 create mode 100644 rowers/alerts.py

diff --git a/rowers/alerts.py b/rowers/alerts.py
new file mode 100644
index 00000000..96101d3b
--- /dev/null
+++ b/rowers/alerts.py
@@ -0,0 +1,81 @@
+from rowers.models import Alert, Condition, User, Rower
+from rowers.teams import coach_getcoachees
+
+## BASIC operations
+
+# create alert
+def create_alert(manager, rower, measured,period=7, emailalert=True,
+                 reststrokes=False, workouttype='water',
+                 name=name,**kwargs):
+
+    # check if manager is coach of rower. If not return 0
+    if manager.rower != rower:
+        if rower not in coach_getcoachees(manager.rower):
+            return 0
+    
+    m = Condition(
+        metric = measured['metric'],
+        value1 = measured['value1'],
+        value2 = measured['value2'],
+        condition=measured['condition']
+        )
+
+    m.save()
+    
+    alert = Alert(name=name,
+                  manager=manager,
+                  rower=rower,
+                  measured=m,
+                  restrokes=reststrokes,
+                  period=period,
+                  emailalert=emailalert,
+                  workouttype=workouttype
+                  )
+
+    alert.save()
+
+    if 'filter' in kwargs:
+        for f in filter:
+            m = Condition(
+                metric = f['metric'],
+                value1 = f['value1'],
+                value2 = f['value2'],
+                condition = f['condition']
+                )
+
+            m.save()
+
+            alert.filter.add(m)
+
+
+    return 1
+
+
+
+# update alert
+def alert_add_filters(alert,filter):
+    for f in alert.filter.all():
+        alert.filter.remove(f)
+        f.delete()
+
+    for f in filter:
+        m = Condition(
+            metric = f['metric'],
+            value1 = f['value1'],
+            value2 = f['value2'],
+            condition = f['condition']
+        )
+
+        m.save()
+
+        alert.filter.add(m)
+        
+        
+
+# get alert stats
+# nperiod = 0: current period, i.e. next_run - n days to today
+# nperiod = 1: 1 period ago , i.e. next_run -2n days to next_run -n days
+def alert_get_stats(alert,nperiod=0):
+    return {}
+
+# run alert report
diff --git a/rowers/models.py b/rowers/models.py
index d10dfa8e..e97e5d47 100644
--- a/rowers/models.py
+++ b/rowers/models.py
@@ -1018,11 +1018,12 @@ class Condition(models.Model):
         ('<','<'),
         ('>','>'),
         ('=','='),
+        ('between','between')
         )
     metric = models.CharField(max_length=50,choices=parchoicesy1,verbose_name='Metric')
-    value = models.FloatField(default=0)
+    value1 = models.FloatField(default=0)
+    value2 = models.FloatField(default=0)
     condition = models.CharField(max_length=2,choices=conditionchoices,null=True)
-    alert = models.ForeignKey('Alert',on_delete=models.CASCADE,null=True)
 
 rowchoices = []
 for key,value in mytypes.workouttypes:
@@ -1031,10 +1032,15 @@ for key,value in mytypes.workouttypes:
 
     
 class Alert(models.Model):
+    name = models.CharField(max_length=150,verbose_name='Name',null=True,blank=True)
+    manager = models.ForeignKey(User, on_delete=models.CASCADE)
+    rower = models.ForeignKey(Rower, on_delete=models.CASCADE)
     measured = models.OneToOneField(Condition,verbose_name='Measuring',on_delete=models.CASCADE,
                                     related_name='measured')
+    filter = models.ManyToManyField(Condition, related_name='filters',verbose_name='Filters')
     reststrokes = models.BooleanField(default=False,null=True,verbose_name='Include Rest Strokes')
     period = models.IntegerField(default=7,verbose_name='Reporting Period')
+    next_run = models.DateField(default=timezone.now)
     emailalert = models.BooleanField(default=True,verbose_name='Send email alerts')
     workouttype = models.CharField(choices=rowchoices,max_length=50,
                                    verbose_name='Exercise/Boat Class',default='water')