Initial commit

backend/Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY main.py .
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/main.py

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+# main.py
+from fastapi import FastAPI, Form, UploadFile, File
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse
+from filelock import FileLock
+import aiofiles
+import httpx
+import os
+from datetime import datetime
+import openpyxl
+
+# -------------------------
+# Configuration
+# -------------------------
+NEXTCLOUD_BASE_URL = "https://nextcloud.sdanywhere.com/remote.php/webdav/APs"
+NEXTCLOUD_USER = "kamaji"
+NEXTCLOUD_PASSWORD = "DvB0U2Uj3tOJaD"
+
+EXCEL_FILENAME = "ap_data.xlsx"
+LOCK_FILENAME = f"{EXCEL_FILENAME}.lock"
+
+app = FastAPI()
+
+# Allow CORS for frontend (if needed)
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# -------------------------
+# Utility: Upload file to Nextcloud
+# -------------------------
+async def upload_to_nextcloud(local_path, remote_name):
+    url = f"{NEXTCLOUD_BASE_URL}/{remote_name}"
+    async with httpx.AsyncClient() as client:
+        with open(local_path, "rb") as f:
+            r = await client.put(url, content=f, auth=(NEXTCLOUD_USER, NEXTCLOUD_PASSWORD))
+            r.raise_for_status()
+
+# -------------------------
+# Utility: Save Excel safely
+# -------------------------
+def append_to_excel(data_row):
+    lock = FileLock(LOCK_FILENAME)
+    with lock:
+        if not os.path.exists(EXCEL_FILENAME):
+            wb = openpyxl.Workbook()
+            ws = wb.active
+            ws.append(["Timestamp", "Site ID", "AP Location", "Cable Length", "Serial Number"])
+            wb.save(EXCEL_FILENAME)
+
+        wb = openpyxl.load_workbook(EXCEL_FILENAME)
+        ws = wb.active
+        ws.append(data_row)
+        wb.save(EXCEL_FILENAME)
+
+# -------------------------
+# Endpoint
+# -------------------------
+@app.post("/api/ap/submit")
+async def submit_ap(
+    site_id: str = Form(...),
+    ap_location: str = Form(...),
+    cable_length: float = Form(...),
+    serial_number: str = Form(...),
+    photo_continuity: UploadFile = File(...),
+    photo_length: UploadFile = File(...),
+    photo_verification: UploadFile = File(...),
+    photo_close: UploadFile = File(...),
+    photo_distance: UploadFile = File(...),
+):
+    # Capitalize serial number
+    serial_number = serial_number.upper()
+
+    # Create folder locally before upload
+    folder_name = f"AP{ap_location}"
+    os.makedirs(folder_name, exist_ok=True)
+
+    # Save photos locally first
+    photo_mapping = {
+        "continuity": photo_continuity,
+        "length": photo_length,
+        "verification": photo_verification,
+        "close": photo_close,
+        "distance": photo_distance
+    }
+    saved_files = []
+    for key, file in photo_mapping.items():
+        filename = f"AP{ap_location}_{key}.jpg"
+        local_path = os.path.join(folder_name, filename)
+        async with aiofiles.open(local_path, "wb") as out_file:
+            content = await file.read()
+            await out_file.write(content)
+        saved_files.append((local_path, filename))  # store for upload
+
+    # Append data to Excel
+    timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    data_row = [timestamp, site_id, ap_location, cable_length, serial_number]
+    append_to_excel(data_row)
+
+    # Upload Excel to Nextcloud
+    await upload_to_nextcloud(EXCEL_FILENAME, EXCEL_FILENAME)
+
+    # Upload photos to Nextcloud
+    for local_path, remote_name in saved_files:
+        await upload_to_nextcloud(local_path, remote_name)
+
+    return JSONResponse(content={"site_id": site_id, "ap_location": ap_location})

backend/requirements.txt

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+fastapi
+uvicorn
+python-multipart
+openpyxl
+portalocker