Create app.py

app.py

@@ -0,0 +1,110 @@
+from fastapi import FastAPI, Request, Form, HTTPException, Depends, Response, BackgroundTasks
+from fastapi.responses import HTMLResponse, RedirectResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+import uuid
+import json
+from pathlib import Path
+import os
+from typing import List
+
+# Directories
+BASE_DIR = Path(__file__).parent
+DATA_DIR = BASE_DIR / "data"
+FORMS_DIR = DATA_DIR / "forms"
+SUBS_DIR = DATA_DIR / "submissions"
+for d in (FORMS_DIR, SUBS_DIR): d.mkdir(parents=True, exist_ok=True)
+
+# Admin key env
+ADMIN_KEY = os.getenv("ADMIN_KEY", "admin123")
+
+app = FastAPI()
+app.mount("/static", StaticFiles(directory=BASE_DIR / "static"), name="static")
+templates = Jinja2Templates(directory=BASE_DIR / "templates")
+
+# Helper: read/write JSON
+
+def save_json(path: Path, data):
+    with path.open('w') as f: json.dump(data, f)
+
+def load_json(path: Path):
+    if not path.exists(): return None
+    with path.open() as f: return json.load(f)
+
+# Home: show history or welcome
+@app.get("/", response_class=HTMLResponse)
+async def home(request: Request):
+    # read cookie
+    history = request.cookies.get("form_history", "")
+    ids = history.split(',') if history else []
+    return templates.TemplateResponse("index.html", {"request": request, "form_ids": ids})
+
+# New form builder page
+@app.get("/new", response_class=HTMLResponse)
+async def new_form(request: Request):
+    return templates.TemplateResponse("new_form.html", {"request": request})
+
+# Create form schema
+@app.post("/create_form")
+async def create_form(request: Request, response: Response,
+                      title: str = Form(...),
+                      fields: List[str] = Form(...)):
+    form_id = str(uuid.uuid4())
+    schema = {"id": form_id, "title": title, "fields": fields}
+    save_json(FORMS_DIR / f"{form_id}.json", schema)
+    # update history cookie
+    history = request.cookies.get("form_history", "")
+    ids = history.split(',') if history else []
+    ids.append(form_id)
+    response = RedirectResponse(url=f"/forms/{form_id}", status_code=302)
+    response.set_cookie("form_history", ",".join(ids), httponly=True)
+    return response
+
+# Render form for users
+@app.get("/forms/{form_id}", response_class=HTMLResponse)
+async def view_form(request: Request, form_id: str):
+    schema = load_json(FORMS_DIR / f"{form_id}.json")
+    if not schema:
+        raise HTTPException(404, "Form not found")
+    return templates.TemplateResponse("view_form.html", {"request": request, "schema": schema})
+
+# Handle submission
+@app.post("/forms/{form_id}/submit")
+async def submit_form(request: Request, form_id: str):
+    schema = load_json(FORMS_DIR / f"{form_id}.json")
+    if not schema:
+        raise HTTPException(404, "Form not found")
+    data = await request.form()
+    entry = {field: data.get(field) for field in schema['fields']}
+    # append submission
+    sub_dir = SUBS_DIR / form_id
+    sub_dir.mkdir(exist_ok=True)
+    idx = len(list(sub_dir.iterdir())) + 1
+    save_json(sub_dir / f"{idx}.json", entry)
+    return RedirectResponse(url=f"/forms/{form_id}", status_code=302)
+
+# Admin dashboard
+def check_admin(key: str = Depends(lambda request: request.query_params.get('key'))):
+    if key != ADMIN_KEY:
+        raise HTTPException(401, "Unauthorized")
+    return True
+
+@app.get("/admin", response_class=HTMLResponse)
+async def admin_dashboard(request: Request, authorized: bool = Depends(check_admin)):
+    forms = []
+    for p in FORMS_DIR.glob("*.json"):
+        schema = load_json(p)
+        subs = len(list((SUBS_DIR / schema['id']).glob("*.json"))) if (SUBS_DIR / schema['id']).exists() else 0
+        forms.append({"id": schema['id'], "title": schema['title'], "submissions": subs})
+    return templates.TemplateResponse("admin.html", {"request": request, "forms": forms})
+
+# Delete form (admin)
+@app.post("/admin/delete/{form_id}")
+async def admin_delete(form_id: str, authorized: bool = Depends(check_admin)):
+    fpath = FORMS_DIR / f"{form_id}.json"
+    if fpath.exists(): fpath.unlink()
+    subdir = SUBS_DIR / form_id
+    if subdir.exists():
+        for f in subdir.iterdir(): f.unlink()
+        subdir.rmdir()
+    return RedirectResponse(url="/admin?key=" + ADMIN_KEY, status_code=302)