OriginDex/DBEditor/db_controller.py

import sqlite3
import sys
import os
import threading
from queue import Queue
from concurrent.futures import ThreadPoolExecutor

from event_system import event_system
from db_classes import PokemonForm, EvolveEncounter

def parse_pfic(pfic):
    parts = pfic.split('-')
    return tuple(int(part) if part.isdigit() else part for part in parts)

class DBController:
    def __init__(self, db_path=':memory:', max_connections=10):
        self.db_path = db_path
        self.connection_pool = Queue(maxsize=max_connections)
        self.lock = threading.Lock()

        for _ in range(max_connections):
            conn = sqlite3.connect(db_path, check_same_thread=False)
            self.connection_pool.put(conn)

        self.executor = ThreadPoolExecutor(max_workers=max_connections)

        self.conn = sqlite3.connect(db_path, check_same_thread=False)
        self.cursor = self.conn.cursor()

        event_system.add_listener('get_pokemon_data', self.load_pokemon_details)
        event_system.add_listener('get_pokemon_list', self.send_pokemon_list)
        event_system.add_listener('get_home_storable', self.get_home_storable)
        event_system.add_listener('get_evolution_chain', self.get_evolution_chain)
        event_system.add_listener('get_evolution_parent', self.get_evolution_parent)
        event_system.add_listener('get_encounter_locations', self.get_encounter_locations)
        event_system.add_listener('get_game_generation', self.get_game_generation)
        event_system.add_listener('get_pokemon_with_encounters', self.get_pokemon_with_encounters)
        event_system.add_listener('refresh_in_memory_db', self.refresh_in_memory_db)
        event_system.add_listener('clear_encounters_for_pokemon', self.clear_encounters_for_pokemon)
        event_system.add_listener('get_game_id_for_name', self.get_game_id_for_name)
        event_system.add_listener('get_exclusive_encounter_sets', self.get_exclusive_encounter_sets)
        event_system.add_listener('get_exclusive_set_details', self.get_exclusive_set_details)
        event_system.add_listener('get_set_encounters', self.get_set_encounters)
        event_system.add_listener('delete_encounter_from_set', self.delete_encounter_from_set)
        event_system.add_listener('get_available_encounters', self.get_available_encounters)
        event_system.add_listener('add_encounter_to_set', self.add_encounter_to_set)
        event_system.add_listener('get_games_list', self.get_games_list)
        event_system.add_listener('add_new_exclusive_set', self.add_new_exclusive_set)
        event_system.add_listener('save_changes', self.save_changes)
        event_system.add_listener('export_database', self.export_database)
        event_system.add_listener('assign_mark_to_form', self.assign_mark_to_form)
        event_system.add_listener('get_mark_for_game', self.get_mark_for_game)
        event_system.add_listener('get_mark_for_game_name', self.get_mark_for_game_name)
        event_system.add_listener('get_mark_details', self.get_mark_details)
        event_system.add_listener('get_evolve_encounters', self.get_evolve_encounters)
        event_system.add_listener('get_game_by_id', self.get_game_by_id)
        event_system.add_listener('get_pokemon_form_by_pfic', self.get_pokemon_form_by_pfic)
        event_system.add_listener('find_default_form', self.find_default_form)

    def init_database(self):
        disk_conn = sqlite3.connect('pokemon_forms.db')
        disk_cursor = disk_conn.cursor()

        # Create tables in the file-based database
        self.create_games_table(disk_cursor)
        self.create_pokemon_forms_table(disk_cursor)
        self.create_pokemon_storage_table(disk_cursor)
        self.create_evolution_chains_table(disk_cursor)
        self.create_exclusive_encounter_groups_table(disk_cursor)
        self.create_encounter_exclusive_group_table(disk_cursor)
        self.create_encounters_table(disk_cursor)
        self.create_mark_table(disk_cursor)
        self.create_form_marks_table(disk_cursor)
        self.create_evolve_encounter_table(disk_cursor)

        # Commit changes to the file-based database
        disk_conn.commit()

        # Copy the file-based database to the in-memory database
        disk_conn.backup(self.conn)

        temp_connections = []
        for _ in range(self.connection_pool.qsize()):
            conn = self.connection_pool.get()
            disk_conn.backup(conn)
            temp_connections.append(conn)

        # Put all connections back into the pool
        for conn in temp_connections:
            self.connection_pool.put(conn)

        # Close the file-based database connection
        disk_conn.close()

    def create_pokemon_forms_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS pokemon_forms (
            PFIC TEXT PRIMARY KEY,
            name TEXT NOT NULL,
            form_name TEXT,
            national_dex INTEGER NOT NULL,
            generation INTEGER NOT NULL,
            is_baby_form BOOLEAN
        )
        ''')

    def create_pokemon_storage_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS pokemon_storage (
            PFIC TEXT PRIMARY KEY,
            storable_in_home BOOLEAN NOT NULL,
            FOREIGN KEY (PFIC) REFERENCES pokemon_forms (PFIC)
        )
        ''')

    def create_evolution_chains_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS evolution_chains (
            from_pfic TEXT,
            to_pfic TEXT,
            method TEXT,
            PRIMARY KEY (from_pfic, to_pfic),
            FOREIGN KEY (from_pfic) REFERENCES pokemon_forms (PFIC),
            FOREIGN KEY (to_pfic) REFERENCES pokemon_forms (PFIC)
        )
        ''')

    def create_exclusive_encounter_groups_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS exclusive_encounter_groups (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            group_name TEXT NOT NULL,
            description TEXT,
            game_id INTEGER,
            FOREIGN KEY (game_id) REFERENCES games (id)
        )
        ''')

    def create_encounter_exclusive_group_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS encounter_exclusive_groups (
            encounter_id INTEGER,
            group_id INTEGER,
            FOREIGN KEY (encounter_id) REFERENCES encounters (id),
            FOREIGN KEY (group_id) REFERENCES exclusive_encounter_groups (id),
            PRIMARY KEY (encounter_id, group_id)
        )
        ''')

    def create_encounters_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS encounters (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            pfic TEXT,
            game_id INTEGER,
            location TEXT,
            day TEXT,
            time TEXT,
            dual_slot TEXT,
            static_encounter BOOLEAN,
            static_encounter_count INTEGER,
            extra_text TEXT,
            stars TEXT,
            fishing BOOLEAN,
            rods TEXT,
            starter BOOLEAN,
            FOREIGN KEY (pfic) REFERENCES pokemon_forms (PFIC),
            FOREIGN KEY (game_id) REFERENCES games (id)
        )
        ''')

    def create_mark_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS marks (
            id INTEGER PRIMARY KEY,
            name TEXT NOT NULL UNIQUE,
            icon_path TEXT NOT NULL
        )
        ''')

        cursor.execute('''
        CREATE TABLE IF NOT EXISTS mark_game_associations (
            mark_id INTEGER,
            game_id INTEGER,
            FOREIGN KEY (mark_id) REFERENCES marks (id),
            FOREIGN KEY (game_id) REFERENCES games (id),
            PRIMARY KEY (mark_id, game_id)
        )
        ''')
        
        marks = [
            ("Game Boy", "images/marks/GB_icon_HOME.png", ["Red", "Blue", "Yellow", "Gold", "Silver", "Crystal"]),
            ("Kalos", "images/marks/Blue_pentagon_HOME.png", ["X", "Y", "Omega Ruby", "Alpha Sapphire"]),
            ("Alola", "images/marks/Black_clover_HOME.png", ["Sun", "Moon", "Ultra Sun", "Ultra Moon"]),
            ("Let's Go", "images/marks/Let's_Go_icon_HOME.png", ["Let's Go Pikachu", "Let's Go Eevee"]),
            ("Galar", "images/marks/Galar_symbol_HOME.png", ["Sword", "Shield", "Expansion Pass"]),
            ("Sinnoh", "images/marks/BDSP_icon_HOME.png", ["Brilliant Diamond", "Shining Pearl"]),
            ("Hisui", "images/marks/Arceus_mark_HOME.png", ["Legends Arceus"]),
            ("Paldea", "images/marks/Paldea_icon_HOME.png", ["Scarlet", "Violet", "The Teal Mask", "The Hidden Treasure of Area Zero"]),
            ("Markless", "images/marks/Markless_icon_HOME.png", ["Ruby", "Sapphire", "Emerald", "FireRed", "LeafGreen", "Diamond", "Pearl", "Platinum", "HeartGold", "SoulSilver", "Black", "White", "Black 2", "White 2"]),
        ]
        
        # Check if marks already exist
        cursor.execute('SELECT COUNT(*) FROM marks')
        marks_count = cursor.fetchone()[0]

        
        for mark in marks:
            mark_id = None
            if marks_count == 0:
                cursor.execute('''
                INSERT OR IGNORE INTO marks (name, icon_path)
                VALUES (?, ?)
                ''', (mark[0], mark[1]))
                
                mark_id = cursor.lastrowid
            
            if mark_id == None:
                cursor.execute('''
                SELECT id FROM marks WHERE name = ?
                ''', (mark[0],))
                mark_id = cursor.fetchone()[0]

            for game_name in mark[2]:
                cursor.execute('''
                INSERT OR IGNORE INTO mark_game_associations (mark_id, game_id)
                SELECT ?, id FROM games WHERE name = ?
                ''', (mark_id, game_name))
        
    def create_games_table(self, cursor):

        cursor.execute('''
        CREATE TABLE IF NOT EXISTS games (
            id INTEGER PRIMARY KEY,
            name TEXT NOT NULL,
            generation INTEGER NOT NULL
        )
        ''')

        cursor.execute('''
        CREATE TABLE IF NOT EXISTS alternate_game_names (
            id INTEGER PRIMARY KEY,
            game_id INTEGER NOT NULL,
            alternate_name TEXT NOT NULL,
            FOREIGN KEY (game_id) REFERENCES games (id),
            UNIQUE (alternate_name COLLATE NOCASE)
        )
        ''')

        games = [
            ("Red", 1, ["Red Version"]),
            ("Blue", 1, ["Blue Version"]),
            ("Yellow", 1, ["Yellow Version"]),
            ("Gold", 2, ["Gold Version"]),
            ("Silver", 2, ["Silver Version"]),
            ("Crystal", 2, ["Crystal Version"]),
            ("Ruby", 3, ["Ruby Version"]),
            ("Sapphire", 3, ["Sapphire Version"]),
            ("Emerald", 3, ["Emerald Version"]),
            ("FireRed", 3, ["Fire Red", "Fire-Red"]),
            ("LeafGreen", 3, ["Leaf Green", "Leaf-Green"]),
            ("Diamond", 4, ["Diamond Version"]),
            ("Pearl", 4, ["Pearl Version"]),
            ("Platinum", 4, ["Platinum Version"]),
            ("HeartGold", 4, ["Heart Gold", "Heart-Gold"]),
            ("SoulSilver", 4, ["Soul Silver", "Soul-Silver"]),
            ("Black", 5, ["Black Version"]),
            ("White", 5, ["White Version"]),
            ("Black 2", 5, ["Black Version 2", "Black-2"]),
            ("White 2", 5, ["White Version 2", "White-2"]),
            ("X", 6, ["X Version"]),
            ("Y", 6, ["Y Version"]),
            ("Omega Ruby", 6, ["Omega Ruby Version", "Omega-Ruby"]),
            ("Alpha Sapphire", 6, ["Alpha Sapphire Version", "Alpha-Sapphire"]),
            ("Sun", 7, ["Sun Version"]),
            ("Moon", 7, ["Moon Version"]),
            ("Ultra Sun", 7, ["Ultra Sun Version", "Ultra-Sun"]),
            ("Ultra Moon", 7, ["Ultra Moon Version", "Ultra-Moon"]),
            ("Let's Go Pikachu", 7, ["Let's Go, Pikachu!", "Lets Go Pikachu"]),
            ("Let's Go Eevee", 7, ["Let's Go, Eevee!", "Lets Go Eevee"]),
            ("Sword", 8, ["Sword Version"]),
            ("Shield", 8, ["Shield Version"]),
            ("Expansion Pass", 8, ["Expansion Pass (Sword)", "Expansion Pass (Shield)"]),
            ("Brilliant Diamond", 8, ["Brilliant Diamond Version", "Brilliant-Diamond"]),
            ("Shining Pearl", 8, ["Shining Pearl Version", "Shining-Pearl"]),
            ("Legends Arceus", 8, ["Legends: Arceus", "Legends-Arceus"]),
            ("Scarlet", 9, ["Scarlet Version"]),
            ("Violet", 9, ["Violet Version"]),
            ("The Teal Mask", 9, ["The Teal Mask Version", "The Teal Mask (Scarlet)", "The Teal Mask (Violet)"]),
            ("The Hidden Treasure of Area Zero", 9, ["The Hidden Treasure of Area Zero Version", "The Hidden Treasure of Area Zero (Scarlet)", "The Hidden Treasure of Area Zero (Violet)"]),

            ("Pokémon Home", 98, ["Pokémon HOME"]),
            ("Pokémon Go", 99, ["Pokémon GO"]),
        ]

        # Check if marks already exist
        cursor.execute('SELECT COUNT(*) FROM games')
        games_count = cursor.fetchone()[0]

        for game in games:
            game_id = None
            if games_count == 0:
                cursor.execute('''
                INSERT OR IGNORE INTO games (name, generation)
                VALUES (?, ?)
                ''', (game[0], game[1]))
            
                game_id = cursor.lastrowid
            
            if game_id == None:
                cursor.execute('''
                SELECT id FROM games WHERE name = ?
                ''', (game[0],))
                game_id = cursor.fetchone()[0]
            
            # Insert alternate names
            for alt_name in game[2]:
                cursor.execute('''
                INSERT OR IGNORE INTO alternate_game_names (game_id, alternate_name)
                VALUES (?, ?)
                ''', (game_id, alt_name))

    def create_form_marks_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS form_marks (
            pfic TEXT,
            mark_id INTEGER,
            FOREIGN KEY (pfic) REFERENCES pokemon_forms (PFIC),
            FOREIGN KEY (mark_id) REFERENCES marks (id),
            PRIMARY KEY (pfic, mark_id)
        )
        ''')
        
    def create_evolve_encounter_table(self, cursor):
        cursor.execute('''
        CREATE TABLE IF NOT EXISTS evolve_encounters (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            pfic TEXT,
            game_id INTEGER,
            day TEXT,
            time TEXT,
            from_pfic TEXT,
            FOREIGN KEY (pfic) REFERENCES pokemon_forms (PFIC),
            FOREIGN KEY (game_id) REFERENCES games (id),
            FOREIGN KEY (from_pfic) REFERENCES pokemon_forms (PFIC)
        )
        ''')

    def load_pokemon_details(self, pfic):
        self.cursor.execute('''
            SELECT pf.name, pf.form_name, pf.national_dex, pf.generation, ps.storable_in_home, pf.is_baby_form
            FROM pokemon_forms pf
            LEFT JOIN pokemon_storage ps ON pf.PFIC = ps.PFIC
            WHERE pf.PFIC = ?
        ''', (pfic,))
        
        return self.cursor.fetchone()
    
    def send_pokemon_list(self, data):
        # Fetch pokemon list from database
        self.cursor.execute('''
            SELECT pf.PFIC, pf.name, pf.form_name, pf.national_dex
            FROM pokemon_forms pf
        ''')
        pokemon_data = self.cursor.fetchall()

        # Sort the pokemon_data based on PFIC
        pokemon_data.sort(key=lambda x: parse_pfic(x[0]))
        return pokemon_data

    def get_home_storable(self, pfic):
        self.cursor.execute('SELECT storable_in_home FROM pokemon_storage WHERE PFIC = ?', (pfic,))
        result = self.cursor.fetchone()
        home_storable = result[0] if result else False
        return home_storable
    
    def get_evolution_chain(self, pfic):
        def follow_chain(start_pfic, visited=None):
            if visited is None:
                visited = set()
            
            chain = []
            stack = [(start_pfic, None)]
            
            while stack:
                current_pfic, method = stack.pop()
                if current_pfic in visited:
                    continue
                
                visited.add(current_pfic)
                self.cursor.execute('SELECT name, form_name FROM pokemon_forms WHERE PFIC = ?', (current_pfic,))
                name, form_name = self.cursor.fetchone()
                
                chain.append((current_pfic, name, form_name, method))
                
                # Get previous evolutions
                self.cursor.execute('SELECT from_pfic, method FROM evolution_chains WHERE to_pfic = ?', (current_pfic,))
                prev_evolutions = self.cursor.fetchall()
                for prev_pfic, prev_method in prev_evolutions:
                    if prev_pfic not in visited:
                        stack.append((prev_pfic, prev_method))
                
                # Get next evolutions
                self.cursor.execute('SELECT to_pfic, method FROM evolution_chains WHERE from_pfic = ?', (current_pfic,))
                next_evolutions = self.cursor.fetchall()
                for next_pfic, next_method in next_evolutions:
                    if next_pfic not in visited:
                        stack.append((next_pfic, next_method))
            
            return chain

        return follow_chain(pfic)
    
    def get_evolution_parent(self, pfic):
        self.cursor.execute('SELECT from_pfic FROM evolution_chains WHERE to_pfic = ?', (pfic,))
        return self.cursor.fetchone()
    
    def get_encounter_locations(self, pfic):
        self.cursor.execute('''
            SELECT g.name, e.location, e.day, e.time, e.dual_slot, e.static_encounter_count, e.static_encounter, e.extra_text, e.stars, e.rods, e.fishing
            FROM encounters e
            JOIN games g ON e.game_id = g.id
            WHERE e.pfic = ?
            ORDER BY g.name, e.location
        ''', (pfic,))
        return self.cursor.fetchall()
    
    def get_game_generation(self, game):
        self.cursor.execute('''
            SELECT g.generation
            FROM games g
            LEFT JOIN alternate_game_names agn ON g.id = agn.game_id
            WHERE g.name = ? OR agn.alternate_name = ?
            LIMIT 1
        ''', (game, game))
        result = self.cursor.fetchone()
        return result[0] if result else None
    
    def get_game_id_for_name(self, game_name):
        query = "SELECT id FROM games WHERE name = ?"
        result = self.execute_query(query, (game_name,))
        if result:
            return result[0][0]
        
        # If not found in main table, check alternate_game_names
        query = """
        SELECT g.id 
        FROM games g 
        JOIN alternate_game_names agn ON g.id = agn.game_id 
        WHERE agn.alternate_name = ?
        """
        result = self.execute_query(query, (game_name,))
        return result[0][0] if result else None
    
    def get_pokemon_with_encounters(self, data):
        self.cursor.execute('''
            SELECT DISTINCT pfic
            FROM encounters
        ''')
        pokemon_with_encounters = set(row[0] for row in self.cursor.fetchall())
        return pokemon_with_encounters
    
    def refresh_in_memory_db(self, temp_conn):
        temp_conn.backup(self.conn)

    def clear_encounters_for_pokemon(self, pfic):
        self.cursor.execute('DELETE FROM encounters WHERE pfic = ?', (pfic,))
        self.conn.commit()

    def get_games_list(self, data):
        self.cursor.execute('SELECT id, name FROM games')
        return self.cursor.fetchall()
    
    def get_exclusive_encounter_sets(self, data):
        self.cursor.execute('SELECT id, group_name FROM exclusive_encounter_groups')
        return self.cursor.fetchall()   
    
    def get_exclusive_set_details(self, set_id):
        self.cursor.execute('SELECT group_name, description, game_id FROM exclusive_encounter_groups WHERE id = ?', (set_id,))
        return self.cursor.fetchone()
    
    def get_set_encounters(self, set_id):
        self.cursor.execute('''
            SELECT e.id, e.pfic, e.location, pf.name, pf.form_name
            FROM encounters e
            JOIN encounter_exclusive_groups eeg ON e.id = eeg.encounter_id
            JOIN pokemon_forms pf ON e.pfic = pf.PFIC
            WHERE eeg.group_id = ?
        ''', (set_id,))
        return self.cursor.fetchall()
    
    def delete_encounter_from_set(self, set_id, encounter_id):
        self.cursor.execute('DELETE FROM encounter_exclusive_groups WHERE group_id = ? AND encounter_id = ?', (set_id, encounter_id))
        self.conn.commit()

    def add_encounter_to_set(self, data):
        set_id, encounter_id = data
        self.cursor.execute('INSERT INTO encounter_exclusive_groups (group_id, encounter_id) VALUES (?, ?)', (set_id, encounter_id))
        self.conn.commit()

    def add_new_exclusive_set(self, data):
        set_name, description, game_id = data
        self.cursor.execute('INSERT INTO exclusive_encounter_groups (group_name, description, game_id) VALUES (?, ?, ?)', (set_name, description, game_id))
        self.conn.commit()  

    def get_available_encounters(self, data):
        game_id = data
        self.cursor.execute('''
            SELECT e.id, e.pfic, e.location, pf.name, pf.form_name
            FROM encounters e
            JOIN games g ON e.game_id = g.id
            JOIN pokemon_forms pf ON e.pfic = pf.PFIC
            WHERE g.id = ?
        ''', (game_id,))
        return self.cursor.fetchall()
    
    def save_changes(self, data):
        disk_conn = sqlite3.connect('pokemon_forms.db')
        self.conn.backup(disk_conn)
        disk_conn.close()

    def export_database(self, data):
        export_conn = sqlite3.connect('pokemon_forms_production.db')
        self.conn.backup(export_conn)
        export_conn.close()

    def assign_mark_to_form(self, data):
        pfic, mark_id = data
        self.cursor.execute('''
            INSERT OR REPLACE INTO form_marks (pfic, mark_id) 
            VALUES (?, ?)
        ''', (pfic, mark_id))
        self.conn.commit()

    def get_mark_for_game(self, data):
        game_id = data
        self.cursor.execute('SELECT mark_id FROM mark_game_associations WHERE game_id = ?', (game_id,))
        result = self.cursor.fetchone()
        return result[0] if result else None
    
    def get_mark_for_game_name(self, data):
        game_name = data
        self.cursor.execute('''
            SELECT m.id 
            FROM marks m
            JOIN mark_game_associations mga ON m.id = mga.mark_id
            JOIN games g ON mga.game_id = g.id
            WHERE g.name = ?
        ''', (game_name,))
        result = self.cursor.fetchone()
        return result[0] if result else None
    
    def get_mark_details(self, data):
        mark_id = data
        self.cursor.execute('SELECT name, icon_path FROM marks WHERE id = ?', (mark_id,))
        return self.cursor.fetchone()

    def get_evolve_encounters(self, data):
        pfic = data
        self.cursor.execute('SELECT * FROM evolve_encounters WHERE pfic = ?', (pfic,))
        evolve_encounters = self.cursor.fetchall()
        return [EvolveEncounter(encounter[1], encounter[2], encounter[3], encounter[4], encounter[5]) for encounter in evolve_encounters]
    
    def get_game_by_id(self, data):
        game_id = data
        self.cursor.execute('SELECT * FROM games WHERE id = ?', (game_id,))
        result = self.cursor.fetchone()
        return result
    
    def get_pokemon_form_by_pfic(self, data) -> PokemonForm:
        pfic = data
        self.cursor.execute('''
            SELECT pf.name, pf.form_name, pf.national_dex, pf.generation, ps.storable_in_home, pf.is_baby_form
            FROM pokemon_forms pf
            LEFT JOIN pokemon_storage ps ON pf.PFIC = ps.PFIC
            WHERE pf.PFIC = ?
        ''', (pfic,))
        result = self.cursor.fetchone()
        return PokemonForm(pfic, result[0], result[1], result[2], result[3], result[5], result[4])
    
    def find_default_form(self, data):
        search_pfic = data
        self.cursor.execute('''
            SELECT pf.PFIC, pf.name, pf.form_name, pf.national_dex, pf.generation, ps.storable_in_home, pf.is_baby_form
            FROM pokemon_forms pf
            LEFT JOIN pokemon_storage ps ON pf.PFIC = ps.PFIC
            WHERE pf.PFIC LIKE ?
        ''', (search_pfic + "%",))
        results = self.cursor.fetchall()
        return [PokemonForm(result[0], result[1], result[2], result[3], result[4], result[6], result[5]) for result in results]

    def get_connection(self):
        return self.connection_pool.get()

    def release_connection(self, conn):
        self.connection_pool.put(conn)

    def execute_query_with_commit(self, query, params=None):
        conn = self.get_connection()
        try:
            with conn:
                cursor = conn.cursor()
                if params:
                    cursor.execute(query, params)
                else:
                    cursor.execute(query)
                conn.commit()
            return cursor.fetchall()
        finally:
            self.release_connection(conn)

    def execute_query(self, query, params=None):
        conn = self.get_connection()
        try:
            with conn:
                cursor = conn.cursor()
                if params:
                    cursor.execute(query, params)
                else:
                    cursor.execute(query)
                return cursor.fetchall()
        finally:
            self.release_connection(conn)

    def close(self):
        while not self.connection_pool.empty():
            conn = self.connection_pool.get()
            conn.close()
        self.executor.shutdown()

    def build_query_string(self, table_name, criteria):
        conditions = []
        values = []
        query = f"SELECT * FROM {table_name} WHERE "

        for column, value in criteria.items():
            if value is None:
                conditions.append(f"({column} IS NULL OR {column} = '')")
            elif value == "":
                conditions.append(f"{column} = ''")
            else:
                conditions.append(f"{column} = ?")
                values.append(value)

        return query + " AND ".join(conditions), values