begin to add sqlite functionality

assistant.py

@@ -3,6 +3,8 @@
 import argparse
 import os
 import sys
+import datetime
+import sqlite3
 
 import json
 from ollama import Client
@@ -17,6 +19,7 @@ from prompt_toolkit.key_binding import KeyBindings
 from prompt_toolkit import PromptSession
 
 
+
 class AIAssistant:
     def __init__(self, server="http://localhost:11434", model="qwen3:14b"):
         self.server = server
@@ -25,6 +28,75 @@ class AIAssistant:
         self.temperature = 0.2
         self.num_ctx = 4096
         self.history = [self.system_prompt()]
+        self.db_path = os.path.expanduser("~/.cache/ai-assistant.db")
+        self._init_db()
+
+    def _init_db(self):
+        """Initialize SQLite database and create the conversations table."""
+        if not os.path.exists(self.db_path):
+            self._create_db()
+
+    def _create_db(self):
+        """Create the conversations table in the SQLite database."""
+        conn = sqlite3.connect(self.db_path)
+        cursor = conn.cursor()
+        cursor.execute('''
+            CREATE TABLE IF NOT EXISTS conversations (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                topic TEXT,
+                history TEXT,
+                created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+            )
+        ''')
+        conn.commit()
+        conn.close()
+
+    def _save_to_db(self, topic):
+        """Save the current conversation to the SQLite database."""
+        conn = sqlite3.connect(self.db_path)
+        cursor = conn.cursor()
+        cursor.execute('''
+            INSERT INTO conversations (topic, history)
+            VALUES (?, ?)
+        ''', (topic, json.dumps(self.history)))
+        conn.commit()
+        conn.close()
+
+    def _load_from_db(self, conversation_id):
+        """Load a conversation from the SQLite database by ID."""
+        conn = sqlite3.connect(self.db_path)
+        cursor = conn.cursor()
+        cursor.execute('''
+            SELECT history FROM conversations WHERE id = ?
+        ''', (conversation_id,))
+        result = cursor.fetchone()
+        conn.close()
+        if result:
+            self.history = json.loads(result[0])
+        else:
+            self.history = [self.system_prompt()]
+
+    def save_history(self):
+        """Save the current conversation to the database with a generated topic."""
+        # Only save if this is the first user message
+        if len(self.history) == 3:
+            # Generate a topic using the AI
+            system_prompt = self.system_prompt()
+            user_prompt = "Generate a concise, descriptive topic for this conversation based on the following content:\n"
+            topic = self.client.chat(model=self.model, messages=[system_prompt, {"role": "user", "content": user_prompt}], stream=False)['message']['content'].strip()
+            self._save_to_db(topic)
+        else:
+            # For subsequent messages, we can update the topic in the future
+            pass
+
+    def load_history(self, conversation_id=None):
+        """Load a conversation from the database by ID. If no ID, start a new one."""
+        if conversation_id:
+            self._load_from_db(conversation_id)
+        else:
+            self.history = [self.system_prompt()]
+
+
 
     def set_host(self, host):
         self.server = host
@@ -33,19 +105,6 @@ class AIAssistant:
     def system_prompt(self):
         return {"role": "system", "content": "You are a helpful, smart, kind, and efficient AI assistant. You always fulfill the user's requests accurately and concisely."}
 
-    def load_history(self):
-        path = os.environ.get('HOME') + '/.cache/ai-assistant.history'
-        try:
-            with open(path, 'r') as f:
-                self.history = json.load(f)
-        except FileNotFoundError:
-            pass
-
-    def save_history(self):
-        path = os.environ.get('HOME') + '/.cache/ai-assistant.history'
-        with open(path, 'w+') as f:
-            json.dump(self.history, f)
-
     def determine_lexer(self, code_block):
         lexer_name = None
         lines = code_block.split('\n')
@@ -126,7 +185,7 @@ class CommandLineParser:
         parser.add_argument('--temp', '-t', nargs='?', type=float, const=0.2, default=False, help='Specify temperature')
         parser.add_argument('--context', type=int, default=4096, help='Specify context size')
         parser.add_argument('--reasoning', '-r', action='store_true', help='Use the default reasoning model deepseek-r1:14b')
-        parser.add_argument('--new', '-n', action='store_true', help='Start a chat with a fresh history')
+        parser.add_argument('--resume', action='store_true', help='Resume a previous conversation')
         parser.add_argument('--follow-up', '-f', nargs='?', const=True, default=False, help='Ask a follow up question when piping in context')
         parser.add_argument('--copy', '-c', action='store_true', help='Copy a codeblock if it appears')
         parser.add_argument('--shell', '-s', nargs='?', const=True, default=False, help='Output a shell command that does as described')
@@ -324,11 +383,10 @@ def main():
         assistant.temperature = args.temp
     if args.context:
         assistant.num_ctx = args.context
-    if args.new:
-        assistant.history = [assistant.system_prompt()]
-        assistant.save_history()
-    else:
+    if args.resume:
         assistant.load_history()
+    else:
+        assistant.history = [assistant.system_prompt()]
 
     command_parser = CommandParser()
     input_handler = InputHandler(assistant, command_parser)