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improved nodedb
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pdxlocations
+194
@@ -0,0 +1,194 @@
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import sqlite3
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import globals
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import time
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from utilities.utils import get_nodeNum, get_name_from_number
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def init_nodedb():
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"""Initialize the node database and update it with nodes from the interface."""
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try:
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with sqlite3.connect(globals.db_file_path) as db_connection:
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db_cursor = db_connection.cursor()
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# Table name construction
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table_name = f"{str(get_nodeNum())}_nodedb"
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nodeinfo_table = f'"{table_name}"' # Quote the table name because it might begin with numerics
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# Step 1: Create the table if it doesn't exist
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create_table_query = f'''
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CREATE TABLE IF NOT EXISTS {nodeinfo_table} (
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user_id TEXT PRIMARY KEY,
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long_name TEXT,
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short_name TEXT,
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hw_model TEXT,
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is_licensed TEXT,
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role TEXT,
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public_key TEXT
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)
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'''
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db_cursor.execute(create_table_query)
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# Step 2 and 3: Iterate over nodes and insert them into the database
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if globals.interface.nodes:
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for node in globals.interface.nodes.values():
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role = node['user'].get('role', 'CLIENT')
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is_licensed = node['user'].get('isLicensed', 'FALSE')
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public_key = node['user'].get('publicKey', '')
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insert_query = f'''
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INSERT OR IGNORE INTO {nodeinfo_table} (user_id, long_name, short_name, hw_model, is_licensed, role, public_key)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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'''
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# Replace placeholders with actual data for the node
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db_cursor.execute(insert_query, (
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node['num'],
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node['user']['longName'],
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node['user']['shortName'],
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node['user']['hwModel'],
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is_licensed,
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role,
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public_key
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))
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db_connection.commit()
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except sqlite3.Error as e:
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print(f"SQLite error in init_nodedb: {e}")
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except Exception as e:
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print(f"Unexpected error in init_nodedb: {e}")
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def save_message_to_db(channel, user_id, message_text):
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"""Save messages to the database, ensuring the table exists."""
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try:
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with sqlite3.connect(globals.db_file_path) as db_connection:
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db_cursor = db_connection.cursor()
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# Construct the table name
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table_name = f"{str(get_nodeNum())}_{channel}_messages"
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quoted_table_name = f'"{table_name}"' # Quote the table name becuase we begin with numerics and contain spaces
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# Ensure the table exists
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create_table_query = f'''
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CREATE TABLE IF NOT EXISTS {quoted_table_name} (
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user_id TEXT,
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message_text TEXT,
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timestamp INTEGER
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)
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'''
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db_cursor.execute(create_table_query)
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# Insert the message
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insert_query = f'''
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INSERT INTO {quoted_table_name} (user_id, message_text, timestamp)
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VALUES (?, ?, ?)
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'''
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db_cursor.execute(insert_query, (user_id, message_text, int(time.time())))
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db_connection.commit()
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except sqlite3.Error as e:
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print(f"SQLite error in save_message_to_db: {e}")
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except Exception as e:
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print(f"Unexpected error in save_message_to_db: {e}")
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def load_messages_from_db():
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"""Load messages from the database for all channels and update globals.all_messages and globals.channel_list."""
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try:
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with sqlite3.connect(globals.db_file_path) as db_connection:
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db_cursor = db_connection.cursor()
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# Retrieve all table names that match the pattern
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query = "SELECT name FROM sqlite_master WHERE type='table' AND name LIKE ?"
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db_cursor.execute(query, (f"{str(get_nodeNum())}_%_messages",))
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tables = [row[0] for row in db_cursor.fetchall()]
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# Iterate through each table and fetch its messages
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for table_name in tables:
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query = f'SELECT user_id, message_text FROM "{table_name}"'
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try:
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# Fetch all messages from the table
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db_cursor.execute(query)
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db_messages = [(row[0], row[1]) for row in db_cursor.fetchall()] # Save as tuples
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# Extract the channel name from the table name
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channel = table_name.split("_")[1]
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# Convert the channel to an integer if it's numeric, otherwise keep it as a string
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channel = int(channel) if channel.isdigit() else channel
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# Add the channel to globals.channel_list if not already present
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if channel not in globals.channel_list:
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globals.channel_list.append(channel)
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# Ensure the channel exists in globals.all_messages
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if channel not in globals.all_messages:
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globals.all_messages[channel] = []
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# Add messages to globals.all_messages in tuple format
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for user_id, message in db_messages:
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if user_id == str(get_nodeNum()):
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formatted_message = (f"{globals.message_prefix} Sent: ", message)
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else:
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formatted_message = (f"{globals.message_prefix} {get_name_from_number(int(user_id), 'short')}: ", message)
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if formatted_message not in globals.all_messages[channel]:
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globals.all_messages[channel].append(formatted_message)
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except sqlite3.Error as e:
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print(f"SQLite error while loading messages from table '{table_name}': {e}")
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except sqlite3.Error as e:
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print(f"SQLite error in load_messages_from_db: {e}")
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def maybe_store_nodeinfo_in_db(packet):
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"""Save nodeinfo unless that record is already there."""
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try:
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with sqlite3.connect(globals.db_file_path) as db_connection:
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table_name = f"{str(get_nodeNum())}_nodedb"
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nodeinfo_table = f'"{table_name}"' # Quote the table name becuase we might begin with numerics
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db_cursor = db_connection.cursor()
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# Check if a record with the same user_id already exists
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existing_record = db_cursor.execute(f'SELECT * FROM {nodeinfo_table} WHERE user_id=?', (packet['from'],)).fetchone()
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if existing_record is None:
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role = packet['decoded']['user'].get('role', 'CLIENT')
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is_licensed = packet['decoded']['user'].get('isLicensed', 'FALSE')
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public_key = packet['decoded']['user'].get('publicKey', '')
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# No existing record, insert the new record
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db_cursor.execute(f'''
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INSERT INTO {nodeinfo_table} (user_id, long_name, short_name, hw_model, is_licensed, role, public_key)
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VALUES (?, ?, ?, ?, ?, ?, ?)
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''', (packet['from'], packet['decoded']['user']['longName'], packet['decoded']['user']['shortName'], packet['decoded']['user']['hwModel'], is_licensed, role, public_key))
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db_connection.commit()
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else:
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# Check if long_name or short_name is different, update if necessary
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if existing_record[1] != packet['decoded']['user']['longName'] or existing_record[2] != packet['decoded']['user']['shortName']:
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db_cursor.execute(f'''
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UPDATE {nodeinfo_table}
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SET long_name=?, short_name=?
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WHERE user_id=?
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''', (packet['decoded']['user']['longName'], packet['decoded']['user']['shortName'], packet['from']))
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db_connection.commit()
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# Fetch the updated record
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# TODO display new node name in nodelist
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# updated_record = db_cursor.execute(f'SELECT * FROM {nodeinfo_table} WHERE user_id=?', (packet['from'],)).fetchone()
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except sqlite3.Error as e:
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print(f"SQLite error in maybe_store_nodeinfo_in_db: {e}")
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finally:
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db_connection.close()
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