From 431e8472c9156768ac39cfb591f45970195ff243 Mon Sep 17 00:00:00 2001
From: rra <rscmbbng@riseup.net>
Date: Fri, 9 Jul 2021 13:55:37 +0200
Subject: [PATCH] add deletion logic

---
 event_feed.py | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

diff --git a/event_feed.py b/event_feed.py
index 13d36cb..445a01e 100644
--- a/event_feed.py
+++ b/event_feed.py
@@ -7,6 +7,7 @@ from ics import Calendar
 import requests
 import jinja2
 import os
+import shutil
 from slugify import slugify
 from natural import date
 from event_feed_config import calendar_url, output_dir
@@ -40,6 +41,7 @@ tzs = [
 	  ('Wellington', 'Pacific/Auckland')
 	  ]
 
+
 for event in list(cal.events):
 
 	localized_begins =[]
@@ -47,7 +49,7 @@ for event in list(cal.events):
 		localized_begins.append( #javascript formatting because of string creation from hell
 			'__{}__ {}'.format(
 				str(i[0]),
-				str(event.begin.to(i[1]).format("YYYY-MM-DD HH:mm"))
+				str(event.begin.to(i[1]).format("YYYY-MM-DD __HH:mm__"))
 				)
 			)
 
@@ -56,19 +58,32 @@ for event in list(cal.events):
 	'name':event.name,
 	'created':event.created.format(),
 	'description': event.description,
-	'begin': '        '.join(localized_begins), #non-breaking space characters to defeat markdown
+	'begin': '           '.join(localized_begins), #non-breaking space characters to defeat markdown
 	'end': event.end.format(),
 	'duration': date.compress(event.duration),
 	'location': event.location
 	}
 
-	#FIXME: There is no deletion logic
-	#FIXME: figure out how to use legible yet unique post names
-	#FIXME: An update logic?
-	post_dir = os.path.join(output_dir, slugify(event.name)) + '-' + slugify(event.begin.format("YYYY-MM-DD")) 
-	if not os.path.exists(post_dir):
-		os.mkdir(post_dir)
 
-	with open(os.path.join(post_dir,'index.md'),'w') as f:
-		post = template.render(event = event_metadata)
-		f.write(post)
\ No newline at end of file
+	if event.uid not in existing_posts: #if there is an event we dont already have, make it
+		post_dir = os.path.join(output_dir, event.uid )
+
+		if not os.path.exists(post_dir):
+			os.mkdir(post_dir)
+		
+		with open(os.path.join(post_dir,'index.md'),'w') as f:
+			post = template.render(event = event_metadata)
+			f.write(post)
+			print('created post for', event.name, '({})'.format(event.uid))
+
+	elif event.uid in existing_posts: #if we already have it, update
+
+		existing_posts.remove(event.uid) # create list of posts which have not been returned by the calendar
+		#FIXME: An update logic? e.g. exists but creation date is altered.
+		print(event.uid, 'already exists')
+
+for post in existing_posts: #remove events that have been deleted 
+    print('deleted', post) #rm posts not returned 
+    shutil.rmtree(os.path.join(output_dir,post))
+
+