fix(app): Add main logic of validating requests

app.py

@@ -1,38 +1,58 @@
+import json
+import os
+import sqlite3
 from pathlib import Path
 
-from flask import Flask, jsonify, request
+from flask import Flask, jsonify, request, send_file
 from flask_cors import CORS
+from pydantic import ValidationError
 from werkzeug.utils import secure_filename
 
+from db.InitDB import DB_PATH, init_db
+from models import AIRequest
+
 # Создаем приложение Flask
 app = Flask(__name__)
 CORS(app)
 
-METADATA_DIR = Path(__file__).parent / ".metadata"
+init_db()
+
+METADATA_DIR = Path(os.environ.get("METADATA_DIR") or Path(__file__).parent / ".metadata")
+RESULT_DIR = Path(os.environ.get("RESULT_DIR") or Path(__file__).parent / ".results")
 
 @app.route('/AI', methods=['POST'], strict_slashes=False)
 def ai_request():
     try:
-        id = request.form.get("id")
-        text = request.form.get("text")
-        files = request.files.getlist("files")
+        payload = AIRequest(
+            id=request.form.get("id", ""),
+            text=request.form.get("text", ""),
+            file=[],
+        )
+    except ValidationError as e:
+        return jsonify({"error": e.errors()}), 422
 
-        request_dir = METADATA_DIR / (secure_filename(id) or "unknown")
+    try:
+        request_dir = METADATA_DIR / (secure_filename(payload.id) or "unknown")
         request_dir.mkdir(parents=True, exist_ok=True)
 
-        saved_files = []
-        for file in files:
+        for file in request.files.getlist("files"):
             filename = secure_filename(file.filename)
             if not filename:
                 continue
-            file.save(request_dir / filename)
-            saved_files.append(filename)
+            path = request_dir / filename
+            file.save(path)
+            payload.file.append(str(path))
 
-        return jsonify({
-            "id": id,
-            "text": text,
-            "files": saved_files,
-        }), 200
+        with sqlite3.connect(DB_PATH) as conn:
+            conn.execute(
+                "INSERT INTO requests (id, text, file) VALUES (?, ?, ?)",
+                (payload.id, payload.text, json.dumps(payload.file)),
+            )
+            conn.commit()
+
+        return jsonify(payload.model_dump()), 200
+    except sqlite3.IntegrityError:
+        return jsonify({"error": f"task {payload.id} already exists"}), 409
     except Exception as e:
         return jsonify({"error": str(e)}), 500