random sort order and limit on rss feed

app.py

@@ -1,13 +1,15 @@
 import os
 from flask import Flask
+
 # from flask_sqlalchemy import SQLAlchemy
-#db = SQLAlchemy()
-#migrate = Migrate()
+# db = SQLAlchemy()
+# migrate = Migrate()
+
 
 def create_app():
     APP = Flask(__name__)
-    #APP.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///data/crunk_data.db"
-    #APP.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = True
+    # APP.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///data/crunk_data.db"
+    # APP.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = True
     # db.init_app(APP)
     # migrate.init_app(APP, db, render_as_batch=True)
 

column.py

@@ -1,7 +1,12 @@
+import random
+from parse_rss_feeds import parse_rss_feeds
+
+
 class Column:
-    def __init__(self, title, entries):
+    def __init__(self, title, urls):
         self.title = title
-        self.entries = entries
+        self.urls = urls
+        self.entries = None
         self.sort_order = None
         self.limit = None
 
@@ -10,3 +15,21 @@ class Column:
 
     def set_limit(self, limit):
         self.limit = limit
+
+    def _sort_by_order(self):
+        if self.sort_order.lower() == "random":
+            entrylist = list(self.entries.items())
+            random.shuffle(entrylist)
+            self.entries = dict(entrylist)
+
+    def _enforce_limit(self):
+        while len(self.entries) > self.limit:
+            self.entries.popitem()
+
+    def load_content_from_feeds(self):
+        entries = parse_rss_feeds(self.urls)
+        self.entries = entries
+        if self.sort_order:
+            self._sort_by_order()
+        if self.limit:
+            self._enforce_limit()

columns.toml

@@ -2,10 +2,10 @@
 id = 1
 urls = ["https://varia.zone/logs/x-y/feed.rss.xml","https://varia.zone/logs/x-y-protocols/feed.rss.xml"]
 title = "code"
+limit = 20
+sort_order = "random"
 
 [[column]]
 id = 2
 urls = ["https://post.lurk.org/@cmos4040.rss"]
-sort_order = "chronological"
 title = "circulations"
-limit = 100

parse_rss_feeds.py

@@ -1,6 +1,7 @@
 from feedparser import parse
 import random
 
+
 def _parse_single_rss_feed(url):
     feed = parse(url)
     entries = {}
@@ -15,6 +16,7 @@ def _parse_single_rss_feed(url):
         entrylist.append(entry.description)
     return entries
 
+
 def parse_rss_feeds(urls):
     entries = {}
     for url in urls:

quick_test.py

@@ -4,17 +4,18 @@ from parse_rss_feeds import parse_rss_feeds
 
 
 with open("columns.toml", "rb") as f:
-    feeds_dict = tomli.load(f)
-
-feeds_file = feeds_dict["column"]
+    column_dict = tomli.load(f)
+columns_file = column_dict["column"]
 columns = []
-for feed_from_file in feeds_file:
-    entries = parse_rss_feeds(feed_from_file["urls"])
-    title = feed_from_file["title"]
-    column = Column(title=title, entries=entries)
-    if "limit" in feed_from_file:
-        print(feed_from_file["limit"])
-    columns.append(column)
+for column_from_file in columns_file:
+    urls = column_from_file["urls"]
+    title = column_from_file["title"]
+    column = Column(title=title, urls=urls)
+
+    if "limit" in column_from_file:
+        column.set_limit(column_from_file["limit"])
+    if "sort_order" in column_from_file:
+        column.set_sort_order(column_from_file["sort_order"])
 
-for column in columns:
-    print(column.title)
+    column.load_content_from_feeds()
+    print(len(column.entries))

start.py

@@ -1,26 +1,14 @@
 from flask import (
     render_template,
-    redirect,
 )
 import tomli
 
-from parse_rss_feeds import parse_rss_feeds
 from app import create_app
 from column import Column
 
 APP = create_app()
 
 
-@APP.route("/singlefeed")
-def singlefeed():
-    with open("columns.toml", "rb") as f:
-        feeds_dict = tomli.load(f)
-    feeds = feeds_dict["column"]
-
-    feed = parse_rss_feeds(feeds[0]["urls"][0])
-    return render_template("singlefeed.html", feed=feed)
-
-
 @APP.route("/")
 def index():
     with open("columns.toml", "rb") as f:
@@ -28,13 +16,16 @@ def index():
     columns_file = column_dict["column"]
     columns = []
     for column_from_file in columns_file:
-        entries = parse_rss_feeds(column_from_file["urls"])
+        urls = column_from_file["urls"]
         title = column_from_file["title"]
-        column = Column(title=title, entries=entries)
+        column = Column(title=title, urls=urls)
+
         if "limit" in column_from_file:
             column.set_limit(column_from_file["limit"])
         if "sort_order" in column_from_file:
             column.set_sort_order(column_from_file["sort_order"])
+
+        column.load_content_from_feeds()
         columns.append(column)
     return render_template("index.html", columns=columns)