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Corrección Roadmap 46 + Nuevo ejercicio 47
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| from datetime import datetime | ||
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| class SocialNetwork: | ||
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| def __init__(self): | ||
| self.post_id = 0 | ||
| self.users = {} | ||
| self.post = {} | ||
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| def register_user(self, user_id: str, name: str): | ||
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| if user_id in self.users: | ||
| print(f"El usuario con el ID {user_id} ya existe.") | ||
| return | ||
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| self.users[user_id] = { | ||
| "name": name, | ||
| "following": set(), | ||
| "followers": set(), | ||
| "post": [] | ||
| } | ||
| print( | ||
| f"Usuario con ID '{user_id}' y nombre '{ | ||
| name}' registrado correctamente." | ||
| ) | ||
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| def follow_user(self, user_id: str, follow_id: str): | ||
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| if user_id not in self.users or follow_id not in self.users: | ||
| print("Alguno de los usuarios no existe. No se puede realizar el follow.") | ||
| return | ||
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| self.users[user_id]["following"].add(follow_id) | ||
| self.users[follow_id]["followers"].add(user_id) | ||
| print( | ||
| f"{self.users[user_id]["name"]} ahora sigue a { | ||
| self.users[follow_id]["name"]}." | ||
| ) | ||
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| def unfollow_user(self, user_id: str, unfollow_id: str): | ||
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| if user_id not in self.users or unfollow_id not in self.users: | ||
| print("Alguno de los usuarios no existe. No se puede realizar el unfollow.") | ||
| return | ||
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| self.users[user_id]["following"].discard(unfollow_id) | ||
| self.users[unfollow_id]["followers"].discard(user_id) | ||
| print( | ||
| f"{self.users[user_id]["name"]} ha dejado de seguir a { | ||
| self.users[unfollow_id]["name"]}." | ||
| ) | ||
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| def create_post(self, user_id: str, text: str): | ||
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| if user_id not in self.users: | ||
| print(f"El usuario '{user_id}' no existe.") | ||
| return | ||
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| if len(text) > 200: | ||
| print("El post no puede tener más de 200 caracteres.") | ||
| return | ||
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| self.post_id += 1 | ||
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| post_id = self.post_id | ||
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| self.post[post_id] = { | ||
| "user_id": user_id, | ||
| "text": text, | ||
| "created_at": datetime.now(), | ||
| "likes": set() | ||
| } | ||
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| self.users[user_id]["post"].append(post_id) | ||
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| print("Post creado correctamente.") | ||
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| def delete_post(self, post_id: int): | ||
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| if post_id not in self.post: | ||
| print(f"El post con ID {post_id} no existe.") | ||
| return | ||
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| user_id = self.post[post_id]["user_id"] | ||
| self.users[user_id]["post"].remove(post_id) | ||
| del self.post[post_id] | ||
| print("Post eliminado correctamente.") | ||
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| def like_post(self, user_id: str, post_id: int): | ||
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| if user_id not in self.users: | ||
| print(f"El usuario '{user_id}' no existe.") | ||
| return | ||
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| if post_id not in self.post: | ||
| print(f"El post '{post_id}' no existe.") | ||
| return | ||
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| self.post[post_id]["likes"].add(user_id) | ||
| print(f"Nuevo like en post '{post_id}'.") | ||
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| def unlike_post(self, user_id: str, post_id: int): | ||
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| if user_id not in self.users: | ||
| print(f"El usuario '{user_id}' no existe.") | ||
| return | ||
|
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| if post_id not in self.post: | ||
| print(f"El post '{post_id}' no existe.") | ||
| return | ||
|
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| self.post[post_id]["likes"].discard(user_id) | ||
| print(f"Like eliminado en post '{post_id}'.") | ||
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| def view_user_feed(self, user_id: str): | ||
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| if user_id not in self.users: | ||
| print(f"El usuario '{user_id}' no existe.") | ||
| return | ||
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| feed = sorted( | ||
| (self.post[post_id] for post_id in self.users[user_id]["post"]), | ||
| key=lambda x: x["created_at"], | ||
| reverse=True | ||
| )[:10] | ||
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| for post in feed: | ||
| print(f""" | ||
| ID usuario: {post["user_id"]} | ||
| Usuario: {self.users[post["user_id"]]["name"]} | ||
| Texto: {post["text"]} | ||
| Fecha: {post["created_at"]} | ||
| Likes: {len(post["likes"])} | ||
| """) | ||
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| def view_following_feed(self, user_id: str): | ||
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| if user_id not in self.users: | ||
| print(f"El usuario '{user_id}' no existe.") | ||
| return | ||
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| following_post_ids = [] | ||
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| for following_id in self.users[user_id]["following"]: | ||
| following_post_ids.extend(self.users[following_id]["post"]) | ||
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| feed = sorted( | ||
| (self.post[post_id] for post_id in following_post_ids), | ||
| key=lambda x: x["created_at"], | ||
| reverse=True | ||
| )[:10] | ||
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| for post in feed: | ||
| print(f""" | ||
| ID usuario: {post["user_id"]} | ||
| Usuario: {self.users[post["user_id"]]["name"]} | ||
| Texto: {post["text"]} | ||
| Fecha: {post["created_at"]} | ||
| Likes: {len(post["likes"])} | ||
| """) | ||
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| social_network = SocialNetwork() | ||
| social_network.register_user("mouredev", "Brais Moure") | ||
| social_network.register_user("manolo", "Manolo 87") | ||
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| social_network.create_post("mouredev", "Hola mundo!") | ||
| social_network.create_post("mouredev", "Hola mundo 2!") | ||
| social_network.create_post("mouredev", "Hola mundo 3!") | ||
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| social_network.create_post("manolo", "Hola mundo!") | ||
| social_network.create_post("manolo", "Hola mundo 2!") | ||
| social_network.create_post("manolo", "Hola mundo 3!") | ||
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| social_network.follow_user("manolo", "mouredev") | ||
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| social_network.like_post("manolo", 1) | ||
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| social_network.view_user_feed("mouredev") | ||
| social_network.view_following_feed("manolo") | ||
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| social_network.unlike_post("manolo", 1) | ||
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| social_network.view_following_feed("manolo") |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| # #47 CALENDARIO DE ADVIENTO | ||
| > #### Dificultad: Fácil | Publicación: 25/11/24 | Corrección: 02/12/24 | ||
| ## Ejercicio | ||
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| ``` | ||
| /* | ||
| * EJERCICIO: | ||
| * ¡Cada año celebramos el aDEViento! 24 días, 24 regalos para | ||
| * developers. Del 1 al 24 de diciembre: https://adviento.dev | ||
| * | ||
| * Dibuja un calendario por terminal e implementa una | ||
| * funcionalidad para seleccionar días y mostrar regalos. | ||
| * - El calendario mostrará los días del 1 al 24 repartidos | ||
| * en 6 columnas a modo de cuadrícula. | ||
| * - Cada cuadrícula correspondiente a un día tendrá un tamaño | ||
| * de 4x3 caracteres, y sus bordes serán asteríscos. | ||
| * - Las cuadrículas dejarán un espacio entre ellas. | ||
| * - En el medio de cada cuadrícula aparecerá el día entre el | ||
| * 01 y el 24. | ||
| * | ||
| * Ejemplo de cuadrículas: | ||
| * **** **** **** | ||
| * *01* *02* *03* ... | ||
| * **** **** **** | ||
| * | ||
| * - El usuario seleccioná qué día quiere descubrir. | ||
| * - Si está sin descubrir, se le dirá que ha abierto ese día | ||
| * y se mostrará de nuevo el calendario con esa cuadrícula | ||
| * cubierta de asteríscos (sin mostrar el día). | ||
| * | ||
| * Ejemplo de selección del día 1 | ||
| * **** **** **** | ||
| * **** *02* *03* ... | ||
| * **** **** **** | ||
| * | ||
| * - Si se selecciona un número ya descubierto, se le notifica | ||
| * al usuario. | ||
| */ | ||
| ``` | ||
| #### Tienes toda la información extendida sobre el roadmap de retos de programación en **[retosdeprogramacion.com/roadmap](https://retosdeprogramacion.com/roadmap)**. | ||
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| Sigue las **[instrucciones](../../README.md)**, consulta las correcciones y aporta la tuya propia utilizando el lenguaje de programación que quieras. | ||
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| > Recuerda que cada semana se publica un nuevo ejercicio y se corrige el de la semana anterior en directo desde **[Twitch](https://twitch.tv/mouredev)**. Tienes el horario en la sección "eventos" del servidor de **[Discord](https://discord.gg/mouredev)**. |