Add a sensible data structure.

This is sensible to the current structure but there are a few changes. These were done to maintain the same functionality, but to reduce the number of DB rows used.

training/models.py

@@ -1,3 +1,51 @@
 from django.db import models
+from django.conf import settings
+import reversion
 
 # Create your models here.
+
+
+@reversion.register
+class TrainingCategory(models.Model):
+    category_number = models.PositiveSmallIntegerField()
+    category_name = models.CharField(max_length=50)
+
+
+@reversion.register
+class TrainingItem(models.Model):
+    category = models.ForeignKey(TrainingCategory)
+    item_number = models.PositiveSmallIntegerField()
+    item_name = models.CharField(max_length=100)
+    training_records = models.ManyToManyField(settings.AUTH_USER_MODEL,
+                                              through_fields='finance.TrainingRecord')
+
+
+@reversion.register
+class TrainingRecord(models.Model):
+    started_date = models.DateField(blank=True, null=True)
+    started_user = models.ForeignKey(settings.AUTH_USER_MODEL)
+    started_notes = models.TextField(blank=True, null=True)
+    completed_date = models.DateField(blank=True, null=True)
+    completed_user = models.ForeignKey(settings.AUTH_USER_MODEL)
+    completed_notes = models.TextField(blank=True, null=True)
+    assessed_date = models.DateField(blank=True, null=True)
+    assessed_user = models.ForeignKey(settings.AUTH_USER_MODEL)
+    assessed_notes = models.TextField(blank=True, null=True)
+
+
+@reversion.register
+class TrainingLevelRecord(models.Model):
+    user = models.ForeignKey(settings.AUTH_USER_MODEL)
+
+    technical_assistant = models.DateField(blank=True, null=True)
+
+    sound_technician = models.DateField(blank=True, null=True)
+    sound_supervisor = models.DateField(blank=True, null=True)
+
+    lighting_technician = models.DateField(blank=True, null=True)
+    lighting_supervisor = models.DateField(blank=True, null=True)
+
+    power_technician = models.DateField(blank=True, null=True)
+    power_supervisor = models.DateField(blank=True, null=True)
+
+    haulage_supervisor = models.DateField(blank=True, null=True)