backend/file_manager.py

import os,shutil,base64
PROJECTS_ROOT='projects'
def ensure_project(name):
    p=os.path.join(PROJECTS_ROOT,name); os.makedirs(p,exist_ok=True); return p
def list_project(name):
    p=ensure_project(name); files=[]
    for root,dirs,filenames in os.walk(p):
        for fn in filenames:
            files.append(os.path.relpath(os.path.join(root,fn),p))
    return files
def read_file(project,relpath):
    p=ensure_project(project); full=os.path.join(p,relpath)
    if not os.path.exists(full): return 'Error: not found'
    try:
        return open(full,'r',encoding='utf-8',errors='ignore').read()
    except:
        return base64.b64encode(open(full,'rb').read()).decode('utf-8')
def save_file(project,relpath,content):
    p=ensure_project(project); full=os.path.join(p,relpath); d=os.path.dirname(full)
    if d: os.makedirs(os.path.join(p,d),exist_ok=True)
    open(full,'w',encoding='utf-8').write(content); return full
def delete_path(project,relpath):
    p=ensure_project(project); full=os.path.join(p,relpath)
    if os.path.isdir(full): shutil.rmtree(full); return True
    if os.path.exists(full): os.remove(full); return True; return False
def make_folder(project,relpath):
    p=ensure_project(project); full=os.path.join(p,relpath); os.makedirs(full,exist_ok=True); return full
def save_uploaded_file(project,file_like):
    try:
        if hasattr(file_like,'name'):
            src=file_like.name; dest=os.path.join(ensure_project(project), os.path.basename(src)); shutil.copy(src,dest); return {'path':dest,'relpath':os.path.basename(dest)}
        if isinstance(file_like,str) and os.path.exists(file_like):
            dest=os.path.join(ensure_project(project), os.path.basename(file_like)); shutil.copy(file_like,dest); return {'path':dest,'relpath':os.path.basename(dest)}
    except Exception as e:
        return {'error':str(e)}
    return {'error':'could not save uploaded file'}