show polls on dashboard

tlapbot/redeems/polls.py

@@ -2,6 +2,43 @@ from flask import current_app
 from sqlite3 import Error, Connection
 
 
+def get_poll_votes(db: Connection, poll_name: str) -> dict[str, int] | None:
+    """Get all poll votes and point values for a given `poll_name`"""
+    try:
+        options = {}
+        cursor = db.execute(
+            "SELECT option, points from polls WHERE poll_name = ?",
+            (poll_name,)
+        )
+        for row in cursor:
+            options[row[0]] = row[1]
+        return options
+    except Error as e:
+        current_app.logger.error(f"Error occurred getting poll votes: {e.args[0]}")
+        current_app.logger.error(f"For poll {poll_name}")
+
+
+def all_active_polls(db: Connection) -> dict[str, dict[str, int]] | None:
+    """Returns a dict where the keys are poll names, values is a dict of options and points.
+    Returns None if polls aren't enabled."""
+    if not current_app.config['POLLS_ENABLED']:
+        return None
+    polls = current_app.config['POLLS']
+    poll_votes = {}
+    for poll_name in polls.keys():
+        poll_votes[poll_name] = get_poll_votes(db, poll_name)
+    return poll_votes
+
+
+def max_poll_votes(poll_dict: dict[str, int]) -> int:
+    """Returns the maximum number of poll votes/points. Input is the output of `get_poll_votes`"""
+    highest_points = 0
+    for _, points in poll_dict.items():
+        if points > highest_points:
+            highest_points = points
+    return highest_points
+
+
 def poll_option_exists(db: Connection, poll_name: str, option: str) -> bool | None:
     """Returns None only if error was logged."""
     try: