feat: new last_goal_for endpoint, simple_select_all improvements

also introduces sample usage for the new endpoint in lewy_routes

FlaskWebProject/FlaskWebProject/lewy_api_v1.py

@@ -105,6 +105,20 @@ def debugger_halt(r):
 	breakpoint()
 	return 200, "ok", []
 
+def last_goal_for(sportowiec: str = "MVC8zHZD"):
+	"""
+	Pobierz klub, dla którego sportowiec (domyślnie Robert) oddał ostatni gol.
+	
+	:returns:   Klub, lub None
+	:rtype:     kluby | None
+	"""
+
+	sportowiec = getDb().simple_select_all("sportowcy", zewnetrzne_id_zawodnika=sportowiec)
+	if sportowiec != []:
+		return sportowiec[0].ostatni_gol_dla
+
+	return None
+
 def lookup(data, request):
 	"""
 	Obsługuje zapytania zwrócone do /api/v1/...

FlaskWebProject/FlaskWebProject/lewy_db.py

@@ -6,6 +6,7 @@ from sqlalchemy.orm import Mapped, mapped_column, DeclarativeBase, Session, rela
 from typing import List
 import time
 import toml
+import traceback
 
 global db
 
@@ -167,18 +168,40 @@ class baza():
 			try:
 				return_val = func(self, *args, **kwargs)
 			except:
+				print( "\033[91m"
+					  f"Wystąpił błąd podczas wykonywania zapytania SQL:"
+					   "\033[0m"
+					   "\n"
+					  f"{traceback.format_exc()}")
 				self.session.rollback()
 				self.session.close()
 				self.refresh_session()
 			return return_val
 		return wrapper
 
+	def str_to_column(self, string: str):
+		"""
+		Zamienia tekstowy zapis "tabela.kolumna"
+		na obiekt modelu bazy (ze zmiennej self.entities).
+		Zwraca None jeśli takowego nie znajdzie.
+		Zamiennik dla niepożądanego eval().
+
+		:param      string:  Zapis tekstowy
+		:type       string:  str
+		"""
+		table_str  = string[:string.find('.')]
+		column_str = string[string.find('.') + 1:]
+		if hasattr(self.entities[table_str], column_str):
+			return getattr(self.entities[table_str], column_str)
+		return None
+
 	@exit_gracefully
 	def simple_select_all(self, entity_type, **kwargs):
 		"""
 		Użycie:
 		simple_select_all(ldb.sportowcy, zewnetrzne_id_zawodnika="MVC8zHZD")
 		simple_select_all("sportowcy", id_zawodnika=1)
+		simple_select_all("kluby", ..., LIMIT=5, ORDER_BY="kluby.skrocona_nazwa")
 
 		https://stackoverflow.com/a/75316945
 		Did they make it harder to query dynamically on purpose? ~Frank 19.11.2023
@@ -187,18 +210,45 @@ class baza():
 		if not isinstance(entity_type, str):
 			entity_type = entity_type.__name__
 
+		# Save special arguments received with kwargs,
+		# that are meant for SQL operations to special_args,
+		# and delete from the rest, that will be passed
+		# directly to filter_by().
+		# They will not be passed as search query, but serve
+		# as an additional search parameter.
+		special_keywords = ("ORDER_BY", "ORDER_BY_DESC", "LIMIT")
+		special_args     = {}
+
+		for arg in special_keywords:
+			if arg in kwargs:
+				special_args[arg] = kwargs[arg]
+				del kwargs[arg]
+
 		print(f"[{round(time.time())}] SELECT")
 
 		results = (
 			self.session.
 			query(self.entities[entity_type]).
-			filter_by(**kwargs).
-			all()
+			filter_by(**kwargs)
 		)
 
-		print(f"[{round(time.time())}] SELECT RESULTS: {results}")
+		if "ORDER_BY" in special_args:
+			column = self.str_to_column(special_args["ORDER_BY"])
+			if column is not None:
+				results = results.order_by(column)
 
-		return results
+		if "ORDER_BY_DESC" in special_args:
+			column = self.str_to_column(special_args["ORDER_BY_DESC"])
+			if column is not None:
+				results = results.order_by(column.desc())
+
+		if "LIMIT" in special_args:
+			results = results.limit(special_args["LIMIT"])
+
+		results_objs = results.all()
+		print(f"[{round(time.time())}] SELECT RESULTS: {results_objs}")
+
+		return results_objs
 
 	@exit_gracefully
 	def simple_insert_one(self, entity_type, **kwargs):

FlaskWebProject/FlaskWebProject/lewy_routes.py

@@ -1,8 +1,13 @@
 from flask import render_template, request, make_response
+import lewy_api_v1
+import lewy_db
 import lewy_globals
 
 def index():
 	dark_mode = request.cookies.get('darkMode', 'disabled')
+	# Przykładowe użycie endpointu last_goal_for():
+	# roberts_last_goals_club = lewy_api_v1.last_goal_for()
+	# print(roberts_last_goals_club.id_klubu)
 	stats = {
 		'goals': 38,
 		'assists': 12,