bunch of changes

plugins/ownership/routes.py

@@ -0,0 +1,62 @@
+# plugins/ownership/routes.py
+
+from datetime import datetime
+
+from flask import Blueprint, request, jsonify, abort
+from flask_login import login_required, current_user
+
+from plugins.plant.models import db, Plant, PlantOwnershipLog
+from plugins.auth.models import User   # Adjust import path if User lives elsewhere
+
+bp = Blueprint("ownership", __name__, url_prefix="/ownership")
+
+
+@bp.route("/transfer/<string:plant_uuid>", methods=["POST"])
+@login_required
+def transfer(plant_uuid):
+    """
+    Transfer a plant from the current owner to another user:
+    Required JSON or form data: { "new_owner_id": <int> }
+    """
+    data = request.get_json() or request.form
+    new_owner_id = data.get("new_owner_id", None)
+    if not new_owner_id:
+        return jsonify({"error": "new_owner_id is required"}), 400
+
+    # 1) Fetch the plant by UUID
+    plant = Plant.query.filter_by(uuid=plant_uuid).first()
+    if not plant:
+        return jsonify({"error": "Plant not found"}), 404
+
+    # 2) Only current owner (or some admin) can transfer
+    if plant.owner_id != current_user.id:
+        return jsonify({"error": "Only the current owner can transfer this plant"}), 403
+
+    # 3) Verify the new owner exists
+    new_owner = User.query.get(new_owner_id)
+    if not new_owner:
+        return jsonify({"error": "New owner user not found"}), 404
+
+    # 4) Create a log entry before changing owner
+    log = PlantOwnershipLog(
+        plant_id      = plant.id,
+        user_id       = new_owner.id,
+        date_acquired = datetime.utcnow(),
+        transferred   = True,
+        # If you want to store a reference to Neo4j node, set graph_node_id here. 
+        graph_node_id = None,
+        is_verified   = False
+    )
+    db.session.add(log)
+
+    # 5) Update the Plant.owner_id
+    plant.owner_id = new_owner.id
+    db.session.add(plant)
+
+    db.session.commit()
+
+    return jsonify({
+        "message": f"Plant '{plant.uuid}' transferred to user {new_owner.username}.",
+        "plant_uuid": plant.uuid,
+        "new_owner_id": new_owner.id
+    }), 200