Rename yeast batch to propogation.

Refrences to yeast `batches` are now `propogations`.

Hopefully less confusing now...
Closes #6

yeast/admin.py

@@ -2,15 +2,15 @@ from django.contrib import admin
 from django.urls import reverse
 from django.utils.html import format_html
 from django.apps import apps
-from yeast.models import Yeast, Strain, Manufacturer, Storage, Batch
+from yeast.models import Yeast, Strain, Manufacturer, Storage, Propogation
 from yeast.forms import YeastModelForm
 
 import beer
 
 from config.extras import BREWFATHER_APP_ROOT
 
-class BatchInline(admin.TabularInline):
-    model = Batch
+class PropogationInline(admin.TabularInline):
+    model = Propogation
     extra = 0
 
 class SampleInline(admin.TabularInline):
@@ -23,11 +23,11 @@ class StrainInline(admin.TabularInline):
 
 class ParentInline(admin.TabularInline):
     verbose_name  = 'Parent Samples'
-    model = Batch.parent.through
+    model = Propogation.parent.through
 
 @admin.register(Yeast)
 class YeastAdmin(admin.ModelAdmin):
-    list_display = [ 'batch', 'url', 'lot_number', 'age', 'storage', 'viability', 'generation_num', 'cellcount', 'pitched', 'date_pitched', 'pitched_batch']
+    list_display = [ 'propogation', 'url', 'lot_number', 'age', 'storage', 'viability', 'generation_num', 'cellcount', 'pitched', 'date_pitched', 'pitched_batch']
     list_editable = ['pitched', 'date_pitched', 'pitched_batch', 'lot_number']
 
     def batch_url(self, obj):
@@ -43,7 +43,7 @@ class YeastAdmin(admin.ModelAdmin):
 class StrainAdmin(admin.ModelAdmin):
     list_display = ['name', 'long_name', 'manufacturer', 'avilable_batches']
     inlines = [
-        BatchInline,
+        PropogationInline,
     ]
     list_editable = ['long_name', 'manufacturer']
 
@@ -58,7 +58,7 @@ class StrainAdmin(admin.ModelAdmin):
             urls.append('<a href="{}">{}</a>'.format(url, url_text))
         return format_html(', '.join(urls))
 
-    avilable_batches.short_description = 'Available Batches'
+    avilable_batches.short_description = 'Available Propogation'
 
 @admin.register(Storage)
 class StorageAdmin(admin.ModelAdmin):
@@ -78,8 +78,8 @@ class ManufacturerAdmin(admin.ModelAdmin):
         if obj.website:
             return format_html("<a href='{url}'>{url}</a>", url=obj.website)
 
-@admin.register(Batch)
-class BatchAdmin(admin.ModelAdmin):
+@admin.register(Propogation)
+class PropogationAdmin(admin.ModelAdmin):
     list_display = ['strain', 'consumed', 'source', 'parent_samples', 'production_date', 'avilable_samples', 'used_samples']
     form = YeastModelForm
     filter_horizontal  = ['parent']
@@ -89,7 +89,7 @@ class BatchAdmin(admin.ModelAdmin):
     ]
 
     def save_related(self, request, form, formsets, change):
-        super(BatchAdmin, self).save_related(request, form, formsets, change)
+        super(PropogationAdmin, self).save_related(request, form, formsets, change)
         if form.instance.source_batch:
             relate_samples = [x for x in Yeast.objects.all() if x.pitched_batch==form.instance.source_batch]
             for sample in relate_samples: