From 08f7847419f5134793f618772f7212d40d98c734 Mon Sep 17 00:00:00 2001
From: L'Ajuntament <git@lajuntament.space>
Date: Sat, 27 Nov 2021 12:36:44 +0100
Subject: [PATCH] =?UTF-8?q?Afegit=20endpoint=20de=20calcular=20pres=C3=A8n?=
 =?UTF-8?q?cia.?=
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---
 main.py | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/main.py b/main.py
index 4c0b147..397b19f 100644
--- a/main.py
+++ b/main.py
@@ -1,11 +1,10 @@
 import functools
-import io
+import re
 
 import flask
 
-from werkzeug.wsgi import FileWrapper
-
-import dibuixa
+text2bool = {"absència": True, "presència": False, "absent": True, "present": False}
+bool2text = {True: "absent", False: "present"}
 
 app = flask.Flask(__name__)
 
@@ -29,10 +28,29 @@ def handle_errors(func):
     return wrapped
 
 
-@app.route("/")
+@app.route("/calcula", methods=['POST'])
 @handle_errors
-def hola(code):
-    return "Hola"
+def calcula():
+    frase = flask.request.get_json().get('frase')
+    if not frase:
+        raise HTTPError("Cal introduir una frase!", status_code=400, status="Missing parameter")
+    return calcula_presencia(frase)
+
+
+def xor(a, b):
+    return (a and not b) or (b and not a)
+
+
+def calcula_presencia(frase):
+    frase = frase[3:]
+    subjecte, atribut = frase.split(" és ")
+    llista_subjecte = re.split(" de | d'", subjecte)
+    objecte = llista_subjecte[-1]
+    llista_bool = [text2bool[x.strip()] for x in llista_subjecte[:-1]]
+    bool_total = text2bool[atribut]
+    for bool in llista_bool:
+        bool_total = xor(bool_total, bool)
+    return f'{objecte} és {bool2text[bool_total]}'
 
 
 if __name__ == "__main__":