1 files changed, 95 insertions, 0 deletions
diff --git a/src/dashboard/models.py b/src/dashboard/models.py
new file mode 100644
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--- /dev/null
+++ b/src/dashboard/models.py
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+##############################################################################
+# Copyright (c) 2016 Max Breitenfeldt and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+
+from datetime import timedelta
+
+from django.contrib.auth.models import User
+from django.db import models
+from django.utils import timezone
+
+from jenkins.models import JenkinsSlave
+
+
+class Resource(models.Model):
+    id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=100, unique=True)
+    description = models.CharField(max_length=300, blank=True, null=True)
+    url = models.CharField(max_length=100, blank=True, null=True)
+    owner = models.ForeignKey(User, related_name='user_lab_owner', null=True, blank=True)
+    vpn_users = models.ManyToManyField(User, related_name='user_vpn_users', blank=True)
+    slave = models.ForeignKey(JenkinsSlave, on_delete=models.DO_NOTHING, null=True, blank=True)
+    dev_pod = models.BooleanField(default=False)
+
+    def get_booking_utilization(self, weeks):
+        """
+        Return a dictionary containing the count of booked and free seconds for a resource in the
+        range [now,now + weeks] if weeks is positive,
+        or [now-weeks, now] if weeks is negative
+        """
+
+        length = timedelta(weeks=abs(weeks))
+        now = timezone.now()
+
+        start = now
+        end = now + length
+        if weeks < 0:
+            start = now - length
+            end = now
+
+        bookings = self.booking_set.filter(start__lt=start + length, end__gt=start)
+
+        booked_seconds = 0
+        for booking in bookings:
+            booking_start = booking.start
+            booking_end = booking.end
+            if booking_start < start:
+                booking_start = start
+            if booking_end > end:
+                booking_end = start + length
+            total = booking_end - booking_start
+            booked_seconds += total.total_seconds()
+
+        return {'booked_seconds': booked_seconds,
+                'available_seconds': length.total_seconds() - booked_seconds}
+
+    class Meta:
+        db_table = 'resource'
+
+    def __str__(self):
+        return self.name
+
+class Server(models.Model):
+    id = models.AutoField(primary_key=True)
+    resource = models.ForeignKey(Resource, on_delete=models.CASCADE)
+    name = models.CharField(max_length=100, blank=True)
+    model = models.CharField(max_length=100, blank=True)
+    cpu = models.CharField(max_length=100, blank=True)
+    ram = models.CharField(max_length=100, blank=True)
+    storage = models.CharField(max_length=100, blank=True)
+
+    class Meta:
+        db_table = 'server'
+
+    def __str__(self):
+        return self.name
+
+class ResourceStatus(models.Model):
+    id = models.AutoField(primary_key=True)
+    resource = models.ForeignKey(Resource, on_delete=models.CASCADE)
+    timestamp = models.DateTimeField(auto_now_add=True)
+    type = models.CharField(max_length=20)
+    title = models.CharField(max_length=50)
+    content = models.CharField(max_length=5000)
+
+    class Meta:
+        db_table = 'resource_status'
+
+    def __str__(self):
+        return self.resource.name + ': ' + self.title + ' ' + str(self.timestamp)