add script relations

itf/scriptbank/forms.py

@@ -1,19 +1,28 @@
 import floppyforms as forms
-from models import Script
+from models import Script, ScriptScript
 from app.forms import *
 from itfprofiles.models import TheatreGroup
 
 
+class RelatedScriptsForm(ItfForm):
+    script2 = forms.ModelChoiceField(Script.objects.all(), widget=AutocompleteAddWidget(model_class=Script))
+
+    class Meta:
+        model = ScriptScript
+
+ScriptScriptInline = itf_inlineformset_factory(Script, ScriptScript, fk_name='script1', form=RelatedScriptsForm, extra=1, title="Add / Edit Related Scripts", help_text="Select related scripts - like 'adaptation of', 'translation of'") 
+
 class ScriptForm(ItfForm):    
 #    no_characters = forms.IntegerField(widget=forms.NumberInput())  
 #    no_of_women = forms.IntegerField(widget=forms.NumberInput())
 #    approx_duration = forms.IntegerField(widget=forms.NumberInput())
 #    contact = forms.EmailField(widget=forms.EmailInput())
+    inlines = [ScriptScriptInline]
     theatre_group = forms.ModelChoiceField(TheatreGroup.objects.all(), widget=AutocompleteAddWidget(model_class=TheatreGroup))
 
     class Meta:
         model = Script
-        exclude = ('added_by',)
+        exclude = ('added_by', 'related_scripts')
         widgets = {
             'no_characters': forms.NumberInput,
             'no_of_women': forms.NumberInput,

itf/scriptbank/models.py

@@ -43,6 +43,7 @@ class Script(ItfModel):
     fts_fields = ['title', 'synopsis', 'author']
     fk_fields = ['license_adapt', 'license_perform']  
     theatre_group = models.ForeignKey(TheatreGroup, help_text="Theatre Group, if any")
+    related_scripts = models.ManyToManyField("Script", through="ScriptScript", related_name='related_script')
 #  add_form = 'ScriptForm'
 
   #Meta
@@ -75,8 +76,15 @@ class Script(ItfModel):
             'license_perform': self.license_perform
         }
 
+SCRIPT_RELATIONS = (
+    ('adaptation', 'Adaptation Of'),
+    ('translation', 'Translation Of')
+)
 
-
+class ScriptScript(models.Model):
+    script1 = models.ForeignKey(Script, related_name='related_from')
+    script2 = models.ForeignKey(Script, related_name='related_to')
+    relation_type = models.CharField(choices=SCRIPT_RELATIONS, max_length=64)
 
 
 class License(ItfModel):