Add an endpoint to update links in DB

.gitignore

@@ -1,4 +1,5 @@
 venv
 links.db
+password.txt
 /.vs
-/.vscode
+/.vscode

backend/data.json

@@ -0,0 +1,22 @@
+[
+    {
+        "url": "http://csclub.uwaterloo.ca/",
+        "name": "CS Club Website"
+    },
+    {
+        "url": "https://www.instagram.com/uwcsclub/",
+        "name": "Instagram"
+    },
+    {
+        "url": "https://www.facebook.com/uw.computerscienceclub",
+        "name": "Facebook"
+    },
+    {
+        "url": "http://twitch.tv/uwcsclub",
+        "name": "Twitch"
+    },
+    {
+        "url": "http://bit.ly/uwcsclub-yt",
+        "name": "YouTube"
+    }
+]

backend/main.py

@@ -1,15 +1,22 @@
 from flask import Flask, request
-app = Flask(__name__)
-
+from flask_httpauth import HTTPBasicAuth
+from werkzeug.security import generate_password_hash, check_password_hash
 import json
 import sqlite3
 import os
 DB_PATH = os.path.join(os.path.dirname(__file__), 'links.db')
 
-@app.route('/')
-def hello_world():
-    return 'Hello from backend!'
-    
+app = Flask(__name__)
+auth = HTTPBasicAuth()
+
+f = open("password.txt","r")
+pwd = f.readline().rstrip("\n")
+f.close()
+
+users = {
+    "admin": generate_password_hash(pwd),
+}
+
 def regen_JSON():
     """Gets links from DB and outputs them in JSON"""
     con = sqlite3.connect(DB_PATH)
@@ -26,6 +33,47 @@ def regen_JSON():
     con.close()
     return links_json
 
+@auth.verify_password
+def verify_password(username, password):
+    if username in users and \
+            check_password_hash(users.get(username), password):
+        return username
+
+@app.route('/editor/links', methods = ['POST']) 
+@auth.login_required
+def update_links():
+    con = sqlite3.connect(DB_PATH)
+    cur = con.cursor()
+    try:
+        cur.execute("begin")
+        cur.execute('DELETE FROM links')
+        
+        links = []
+        data = request.json['links']
+        items = 'url', 'name', 'clicks', 'position'
+        for i in range(len(data)):
+            if not(all(e in data[i] for e in items)): 
+                return "Bad request, some items missing from link object", 400
+
+            url = data[i]['url']
+            name = data[i]['name']
+            clicks = data[i]['clicks']
+            position = data[i]['position'] # TODO
+
+            newlink = (url, name, clicks, position)
+            links.append(newlink)
+
+        cur.executemany('INSERT INTO links VALUES (?,?,?,?)', links)
+        con.commit()
+        data = regen_JSON()
+        outfile = open('data.json', 'w')
+        print(data, file=outfile)
+        f.close()
+
+    except:
+        cur.execute("rollback")
+    return "done updating links"
+
 @app.route('/clicks', methods=['POST'])
 def update_clicks():
     if ('url' not in request.json or 'name' not in request.json):
@@ -41,4 +89,4 @@ def update_clicks():
         return 'ok'
 
 if __name__ == "__main__":
-    app.run(debug=True)
+    app.run(debug=True)

backend/requirements.txt

@@ -17,3 +17,4 @@ types-typing-extensions==3.7.2
 types-Werkzeug==0.1.1
 Werkzeug==1.0.1
 wrapt==1.12.1
+Flask-HTTPAuth==4.2.0