Added table and general functions for stats system

bot/db_utils.py

@@ -4,12 +4,17 @@ import config
 
 DB_PATH = config.DB_PATH
 
+# Database functions
+
 def get_db_connection():
     '''Creates a connection to the database'''
     conn = sqlite3.connect(DB_PATH)
     conn.row_factory = sqlite3.Row
     return conn
 
+
+# User functions
+
 def get_or_create_user(username):
     '''Retrieves an ID for a given user, if the user does not exist, it will be
     created.'''
@@ -32,6 +37,9 @@ def get_or_create_user(username):
     conn.close()
     return user_id
 
+
+# Gameplay functions
+
 def add_pull(user_id, character_id):
     '''Creates a pull in the database'''
     conn = get_db_connection()
@@ -40,6 +48,9 @@ def add_pull(user_id, character_id):
     conn.commit()
     conn.close()
 
+
+# Configuration
+
 def get_config(key):
     '''Reads the value for a specified config key from the db'''
     conn = get_db_connection()
@@ -56,3 +67,98 @@ def set_config(key, value):
     cur.execute("INSERT OR REPLACE INTO config (key, value) VALUES (?, ?)", (key, value))
     conn.commit()
     conn.close()
+
+
+# Character stat functions
+
+def add_character_stats(character_id, stats):
+    '''
+    Adds or updates character stats in the character_stats table.
+    `stats` should be a dictionary like {'power': 5, 'charm': 3}
+    '''
+    if not stats:
+        return
+
+    conn = get_db_connection()
+    cur = conn.cursor()
+
+    columns = ', '.join(stats.keys())
+    placeholders = ', '.join(['?'] * len(stats))
+    updates = ', '.join([f"{col}=excluded.{col}" for col in stats.keys()])
+    
+    values = list(stats.values())
+
+    sql = f'''
+        INSERT INTO character_stats (character_id, {columns})
+        VALUES (?, {placeholders})
+        ON CONFLICT(character_id) DO UPDATE SET {updates}
+    '''
+    cur.execute(sql, [character_id] + values)
+    conn.commit()
+    conn.close()
+
+
+def update_character_stat(character_id, stat_name, value):
+    '''Updates a single stat field for a character'''
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute(f'''
+        UPDATE character_stats SET {stat_name} = ? WHERE character_id = ?
+    ''', (value, character_id))
+    conn.commit()
+    conn.close()
+
+def get_character_stats(character_id):
+    '''Retrieves all stats for a single character dynamically'''
+    conn = get_db_connection()
+    conn.row_factory = sqlite3.Row  # Enables dict-style access to rows
+    cur = conn.cursor()
+    cur.execute('SELECT * FROM character_stats WHERE character_id = ?', (character_id,))
+    row = cur.fetchone()
+    conn.close()
+
+    if row:
+        return {key: row[key] for key in row.keys() if key != 'character_id'}
+    else:
+        return {}
+
+def get_character_stat(character_id, stat_name):
+    '''Retrieves a single stat value for a character'''
+    if stat_name not in ('power', 'charm'):
+        raise ValueError("Invalid stat name")
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute(f'SELECT {stat_name} FROM character_stats WHERE character_id = ?', (character_id,))
+    row = cur.fetchone()
+    conn.close()
+    return row[0] if row else 0
+
+def get_stats_for_multiple_characters(character_ids):
+    '''
+    Retrieves stats for a list of character IDs.
+    Returns a dictionary of character_id -> {stat_name: value, ...}
+    '''
+    if not character_ids:
+        return {}
+
+    placeholders = ','.join('?' for _ in character_ids)
+    query = f'''
+        SELECT *
+        FROM character_stats
+        WHERE character_id IN ({placeholders})
+    '''
+
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute(query, character_ids)
+    rows = cur.fetchall()
+    col_names = [desc[0] for desc in cur.description]
+    conn.close()
+
+    result = {}
+    for row in rows:
+        character_id = row[0]
+        stats = dict(zip(col_names[1:], row[1:]))  # Skip character_id
+        result[character_id] = stats
+
+    return result

db.py

@@ -41,6 +41,15 @@ cursor.execute("""
         )
     """)
 
+cursor.execute('''
+CREATE TABLE IF NOT EXISTS character_stats (
+    character_id INTEGER PRIMARY KEY,
+    power INTEGER NOT NULL,
+    charm INTEGER NOT NULL,
+    FOREIGN KEY(character_id) REFERENCES characters(id)
+)
+''')
+
 """ # Insert example characters into the database if they don't already exist
 characters = [
     ('Murakami-san', 1, 0.35),