Files
sorting-sorted/engine.py
2026-01-17 15:27:15 +01:00

210 lines
8.1 KiB
Python

import os
import shutil
import sqlite3
from PIL import Image
from io import BytesIO
class SorterEngine:
DB_PATH = "/app/sorter_database.db"
# --- DATABASE INITIALIZATION ---
@staticmethod
def init_db():
"""Initializes SQLite tables for Profiles, Folder IDs, and Categories."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
# Profile table supports independent paths for each tab
cursor.execute('''CREATE TABLE IF NOT EXISTS profiles
(name TEXT PRIMARY KEY,
tab1_target TEXT,
tab2_target TEXT, tab2_control TEXT,
tab4_source TEXT, tab4_out TEXT,
mode TEXT)''')
# Maps source paths to persistent numeric IDs
cursor.execute('''CREATE TABLE IF NOT EXISTS folder_ids (path TEXT PRIMARY KEY, folder_id INTEGER)''')
# Stores sorting subfolder names for Tab 4
cursor.execute('''CREATE TABLE IF NOT EXISTS categories (name TEXT PRIMARY KEY)''')
# Seed default categories from the original script if empty
cursor.execute("SELECT COUNT(*) FROM categories")
if cursor.fetchone()[0] == 0:
for cat in ["_TRASH", "Default", "Action", "Solo"]:
cursor.execute("INSERT INTO categories VALUES (?)", (cat,))
conn.commit()
conn.close()
# --- PROFILE & PATH MANAGEMENT ---
@staticmethod
def save_tab_paths(profile_name, t1_t=None, t2_t=None, t2_c=None, t4_s=None, t4_o=None, mode=None):
"""Updates specific tab paths while preserving others in the DB."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT * FROM profiles WHERE name = ?", (profile_name,))
row = cursor.fetchone()
if not row:
row = (profile_name, "/storage", "/storage", "/storage", "/storage", "/storage", "id")
new_values = (
profile_name,
t1_t if t1_t is not None else row[1],
t2_t if t2_t is not None else row[2],
t2_c if t2_c is not None else row[3],
t4_s if t4_s is not None else row[4],
t4_o if t4_o is not None else row[5],
mode if mode is not None else row[6]
)
cursor.execute("INSERT OR REPLACE INTO profiles VALUES (?, ?, ?, ?, ?, ?, ?)", new_values)
conn.commit()
conn.close()
@staticmethod
def load_profiles():
"""Loads all workspace presets from the database."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT * FROM profiles")
rows = cursor.fetchall()
conn.close()
return {r[0]: {"tab1_target": r[1], "tab2_target": r[2], "tab2_control": r[3],
"tab4_source": r[4], "tab4_out": r[5], "mode": r[6]} for r in rows}
@staticmethod
def delete_profile(name):
"""Removes a workspace profile."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("DELETE FROM profiles WHERE name = ?", (name,))
conn.commit()
conn.close()
# --- FOLDER ID & CATEGORY LOGIC ---
@staticmethod
def get_folder_id(source_path):
"""Retrieves or generates a persistent ID for a specific folder."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT folder_id FROM folder_ids WHERE path = ?", (source_path,))
result = cursor.fetchone()
if result:
fid = result[0]
else:
cursor.execute("SELECT MAX(folder_id) FROM folder_ids")
row = cursor.fetchone()
fid = (row[0] + 1) if row and row[0] else 1
cursor.execute("INSERT INTO folder_ids VALUES (?, ?)", (source_path, fid))
conn.commit()
conn.close()
return fid
@staticmethod
def get_categories():
"""Fetches sorting categories for Tab 4 buttons."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("SELECT name FROM categories ORDER BY name ASC")
cats = [r[0] for r in cursor.fetchall()]
conn.close()
return cats
@staticmethod
def add_category(name):
"""Adds a new persistent category to the SQL database."""
conn = sqlite3.connect(SorterEngine.DB_PATH)
cursor = conn.cursor()
cursor.execute("INSERT OR IGNORE INTO categories VALUES (?)", (name,))
conn.commit()
conn.close()
# --- FILE & IMAGE OPERATIONS ---
@staticmethod
def get_images(path):
"""Standard image scanner for directories."""
exts = ('.jpg', '.jpeg', '.png', '.webp', '.bmp', '.tiff')
if not path or not os.path.exists(path): return []
return sorted([f for f in os.listdir(path) if f.lower().endswith(exts)])
@staticmethod
def get_max_id_number(target_path):
"""Finds the highest idXXX_ prefix in a directory."""
max_id = 0
if not target_path or not os.path.exists(target_path): return 0
for f in os.listdir(target_path):
if f.startswith("id") and "_" in f:
try:
num = int(f[2:].split('_')[0])
if num > max_id: max_id = num
except: continue
return max_id
@staticmethod
def harmonize_names(t_p, c_p):
"""Forces the control file to match the target name."""
t_name = os.path.basename(t_p)
new_c_p = os.path.join(os.path.dirname(c_p), t_name)
if os.path.exists(new_c_p) and c_p != new_c_p:
root, ext = os.path.splitext(t_name)
new_c_p = os.path.join(os.path.dirname(c_p), f"{root}_alt{ext}")
os.rename(c_p, new_c_p)
return new_c_p
@staticmethod
def re_id_file(old_path, new_id_prefix):
"""Changes the idXXX_ prefix to resolve collisions."""
dir_name = os.path.dirname(old_path)
old_name = os.path.basename(old_path)
name_no_id = old_name.split('_', 1)[1] if '_' in old_name else old_name
new_name = f"{new_id_prefix}{name_no_id}"
new_path = os.path.join(dir_name, new_name)
os.rename(old_path, new_path)
return new_path
@staticmethod
def move_to_unused_synced(t_p, c_p, t_root, c_root):
"""Moves a pair to 'unused' subfolders with matched names."""
t_name = os.path.basename(t_p)
t_un = os.path.join(t_root, "unused", t_name)
c_un = os.path.join(c_root, "unused", t_name)
os.makedirs(os.path.dirname(t_un), exist_ok=True)
os.makedirs(os.path.dirname(c_un), exist_ok=True)
shutil.move(t_p, t_un)
shutil.move(c_p, c_un)
return t_un, c_un
@staticmethod
def restore_from_unused(t_p, c_p, t_root, c_root):
"""Moves files back from 'unused' to main folders."""
t_name = os.path.basename(t_p)
t_dst = os.path.join(t_root, "selected_target", t_name)
c_dst = os.path.join(c_root, "selected_control", t_name)
os.makedirs(os.path.dirname(t_dst), exist_ok=True)
os.makedirs(os.path.dirname(c_dst), exist_ok=True)
shutil.move(t_p, t_dst)
shutil.move(c_p, c_dst)
return t_dst, c_dst
@staticmethod
def compress_for_web(path, quality):
"""Converts images to compressed JPEGs for the UI."""
try:
with Image.open(path) as img:
buf = BytesIO()
img.convert("RGB").save(buf, format="JPEG", quality=quality)
return buf
except: return None
@staticmethod
def revert_action(action):
"""Undoes the last move operation."""
if action['type'] in ['link_standard', 'link_solo', 'unused', 'cat_move', 'move']:
if os.path.exists(action['t_dst']): shutil.move(action['t_dst'], action['t_src'])
if 'c_dst' in action and os.path.exists(action['c_dst']):
if 'link' in action['type']: os.remove(action['c_dst'])
else: shutil.move(action['c_dst'], action['c_src'])