some admin stuff

lifting/admin.py

@@ -1,3 +1,15 @@
 from django.contrib import admin
+from .models import Exercise, Set
+
+@admin.register(Exercise)
+class ExerciseAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(Set)
+class SetAdmin(admin.ModelAdmin):
+    date_hierarchy = 'date'
+    readonly_fields = ('user', 'exercise', 'date')
+    list_filter = ('user__username', 'exercise')
+    fields = ('user', 'exercise', 'date', 'weight_kg', 'reps', 'source')
 
-# Register your models here.

lifting/models.py

@@ -12,7 +12,7 @@ class Exercise(models.Model):
     names = ArrayField(models.CharField(max_length=200))
 
     def __str__(self):
-        return self.names
+        return ', '.join(self.names)
 
 
 class Set(models.Model):
@@ -22,3 +22,6 @@ class Set(models.Model):
     weight_kg = models.DecimalField(max_digits=7, decimal_places=3)
     reps = models.PositiveIntegerField()
     source = models.CharField(max_length=100)
+
+    def __str__(self):
+        return '{} - {} @ {}kg - {}'.format(self.exercise, self.reps, self.weight_kg, self.date)