finished up rough draft of figments section

2 files changed, 26 insertions, 12 deletions

diff --git a/app/figments/build.py b/app/figments/build.py
index 58835e5..349a399 100644
--- a/app/figments/build.py
+++ b/app/figments/build.py
@@ -22,18 +22,6 @@ class BuildFigments(Build):
             s = render_to_string('details/note.txt', c).encode('utf-8')
             self.write_file(path, s, 'txt', entry.slug)
 
-    def build_detail_epub(self):
-        '''
-        Grab all the notes, render them to a template string and write that out to the filesystem
-        '''
-        for entry in Figment.objects.filter(status__exact=1):
-            c = Context({'object': entry, 'MEDIA_URL': settings.BAKED_MEDIA_URL, 'IMAGES_URL': settings.BAKED_IMAGES_URL, 'SITE_URL':settings.SITE_URL})
-            t = render_to_string('details/fignments.html', c).encode('utf-8')
-            path = 'figments/' 
-            self.write_file(path, t, 'html', entry.slug)
-            s = render_to_string('details/note.txt', c).encode('utf-8')
-            self.write_file(path, s, 'txt', entry.slug)
-
     def build_archive(self):
         path = 'figments/'
         c = Context({
diff --git a/app/figments/models.py b/app/figments/models.py
index 510bd61..858c6ed 100644
--- a/app/figments/models.py
+++ b/app/figments/models.py
@@ -2,6 +2,8 @@ import datetime
 from django.db import models
 from django.contrib.sitemaps import Sitemap
 from django.contrib.syndication.views import Feed
+from django.db.models.signals import post_save
+from django.dispatch import receiver
 
 
 # http://freewisdom.org/projects/python-markdown/
@@ -53,6 +55,20 @@ class Figment(models.Model):
     def get_series(self):
         return "\n".join([s.title for s in self.series.all()])
 
+    @classmethod
+    def from_db(cls, db, field_names, values):
+        # default implementation of from_db() (could be replaced
+        # with super())
+        if cls._deferred:
+            instance = cls(**zip(field_names, values))
+        else:
+            instance = cls(*values)
+        instance._state.adding = False
+        instance._state.db = db
+        # customization to store the original field values on the instance
+        instance._loaded_values = dict(zip(field_names, values))
+        return instance
+
     def save(self, *args, **kwargs):
         if not self.id and not self.pub_date:
             self.pub_date = datetime.datetime.now()
@@ -60,6 +76,16 @@ class Figment(models.Model):
         super(Figment, self).save()
 
 
+from .ebook import generate_epub_file
+
+@receiver(post_save, sender=Figment)
+def post_save_events(sender, instance, **kwargs):
+    if instance.body_markdown != instance._loaded_values['body_markdown']:
+        print("you updated")
+        generate_epub_file(instance)
+    else:
+        print("no update found, not buidling")
+
 
 class LatestFull(Feed):
     title = "luxagraf figments: stories less literally true."