Basics to view threads

main.py

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+from flask import Flask, render_template
+from db.sqlite import DB
+import os
+
+app = Flask(__name__)
+db = DB(os.getenv('DB'))
+NAME = 'Agrepy'
+
+@app.route('/')
+def index():
+    return render_template('index.html', title = NAME, subforums = db.get_subforums())
+
+@app.route('/forum/<forum_id>/')
+def subforum(forum_id):
+    title, description = db.get_subforum(forum_id)
+    threads = db.get_threads(forum_id)
+    return render_template('subforum.html', title = title, description = description, threads = threads)
+
+@app.route('/thread/<thread_id>/')
+def thread(thread_id):
+    title, text, author, comments = db.get_thread(thread_id)
+    comments = create_comment_tree(comments)
+    return render_template('thread.html', title = title, text = text, author = author, comments = comments)
+
+@app.route('/comment/<comment_id>/')
+def comment(comment_id):
+    #return str(db.get_comment_tree(comment_id)[0])
+    return str(db.get_comment_tree(comment_id))
+
+
+class Comment:
+    def __init__(self, author, text):
+        self.author = author
+        self.text = text
+        self.children = []
+
+def create_comment_tree(comments):
+    root = []
+    comment_map = {}
+    for comment_id, parent_id, author, text in comments:
+        comment = Comment(author, text)
+        parent = comment_map.get(parent_id)
+        if parent is not None:
+            parent.children.append(comment)
+        else:
+            root.append(comment)
+        comment_map[comment_id] = comment
+    return root