|
| 1 | +const users = new Map(); |
| 2 | +let idCounter = 0; |
| 3 | + |
| 4 | +class User { |
| 5 | + constructor(name) { |
| 6 | + this.id = idCounter++; |
| 7 | + this.name = name; |
| 8 | + this.following = []; |
| 9 | + this.posts = []; |
| 10 | + } |
| 11 | + |
| 12 | + follow(user) { |
| 13 | + if (!this.following.includes(user)) { |
| 14 | + this.following.push(user); |
| 15 | + } |
| 16 | + } |
| 17 | + |
| 18 | + unfollow(user) { |
| 19 | + const index = this.following.indexOf(user); |
| 20 | + if (index !== -1) { |
| 21 | + this.following.splice(index, 1); |
| 22 | + } |
| 23 | + } |
| 24 | + |
| 25 | + addPost(post) { |
| 26 | + this.posts.push(post); |
| 27 | + } |
| 28 | + |
| 29 | + deletePost(postId) { |
| 30 | + const index = this.posts.findIndex(post => post.id === postId); |
| 31 | + if (index !== -1) { |
| 32 | + this.posts.splice(index, 1); |
| 33 | + return true; |
| 34 | + } |
| 35 | + return false; |
| 36 | + } |
| 37 | + |
| 38 | + getMyFeed() { |
| 39 | + return this.posts.slice().sort((a, b) => b.creationDate - a.creationDate).slice(0, 10); |
| 40 | + } |
| 41 | + |
| 42 | + getFollowingFeed() { |
| 43 | + let feed = []; |
| 44 | + this.following.forEach(user => { |
| 45 | + feed = feed.concat(user.posts); |
| 46 | + }); |
| 47 | + return feed.sort((a, b) => b.creationDate - a.creationDate).slice(0, 10); |
| 48 | + } |
| 49 | +} |
| 50 | + |
| 51 | +class Post { |
| 52 | + constructor(user, content) { |
| 53 | + this.id = idCounter++; |
| 54 | + this.user = user; |
| 55 | + this.content = content; |
| 56 | + this.creationDate = new Date(); |
| 57 | + this.likes = new Set(); |
| 58 | + } |
| 59 | + |
| 60 | + addLike(user) { |
| 61 | + this.likes.add(user); |
| 62 | + } |
| 63 | + |
| 64 | + removeLike(user) { |
| 65 | + this.likes.delete(user); |
| 66 | + } |
| 67 | + |
| 68 | + toString() { |
| 69 | + return `Post de ${this.user.name}: ${this.content} | Likes: ${this.likes.size}`; |
| 70 | + } |
| 71 | +} |
| 72 | + |
| 73 | +function registerUser() { |
| 74 | + const name = prompt("Ingrese el nombre de usuario: "); |
| 75 | + if (users.has(name)) { |
| 76 | + console.log("Error: El usuario ya existe."); |
| 77 | + } else { |
| 78 | + const newUser = new User(name); |
| 79 | + users.set(name, newUser); |
| 80 | + console.log("Usuario registrado exitosamente: " + name); |
| 81 | + } |
| 82 | +} |
| 83 | + |
| 84 | +function followUser() { |
| 85 | + const userName = prompt("Tu nombre de usuario: "); |
| 86 | + const user = users.get(userName); |
| 87 | + const toFollowName = prompt("Nombre del usuario a seguir: "); |
| 88 | + const toFollow = users.get(toFollowName); |
| 89 | + if (user && toFollow) { |
| 90 | + user.follow(toFollow); |
| 91 | + console.log(`Ahora sigues a ${toFollow.getName()}`); |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +function unfollowUser() { |
| 96 | + const userName = prompt("Tu nombre de usuario: "); |
| 97 | + const user = users.get(userName); |
| 98 | + const toUnfollowName = prompt("Nombre del usuario a dejar de seguir: "); |
| 99 | + const toUnfollow = users.get(toUnfollowName); |
| 100 | + if (user && toUnfollow) { |
| 101 | + user.unfollow(toUnfollow); |
| 102 | + console.log(`Has dejado de seguir a ${toUnfollow.getName()}`); |
| 103 | + } |
| 104 | +} |
| 105 | + |
| 106 | +function createPost() { |
| 107 | + const userName = prompt("Tu nombre de usuario: "); |
| 108 | + const user = users.get(userName); |
| 109 | + if (user) { |
| 110 | + const content = prompt("Ingrese el texto del post (máximo 200 caracteres): "); |
| 111 | + if (content.length > 200) { |
| 112 | + console.log("Error: El texto excede los 200 caracteres."); |
| 113 | + } else { |
| 114 | + const post = new Post(user, content); |
| 115 | + user.addPost(post); |
| 116 | + console.log("Post creado exitosamente: " + post); |
| 117 | + } |
| 118 | + } |
| 119 | +} |
| 120 | + |
| 121 | +function deletePost() { |
| 122 | + const userName = prompt("Tu nombre de usuario: "); |
| 123 | + const user = users.get(userName); |
| 124 | + if (user) { |
| 125 | + const postId = prompt("Ingrese el ID del post a eliminar: "); |
| 126 | + const success = user.deletePost(postId); |
| 127 | + if (success) { |
| 128 | + console.log("Post eliminado exitosamente."); |
| 129 | + } else { |
| 130 | + console.log("Error: No se encontró el post con ese ID."); |
| 131 | + } |
| 132 | + } |
| 133 | +} |
| 134 | + |
| 135 | +function likePost() { |
| 136 | + const userName = prompt("Tu nombre de usuario: "); |
| 137 | + const user = users.get(userName); |
| 138 | + if (user) { |
| 139 | + const authorName = prompt("Ingrese el nombre del usuario que publicó el post: "); |
| 140 | + const author = users.get(authorName); |
| 141 | + if (author) { |
| 142 | + let postNumber; |
| 143 | + do { |
| 144 | + try { |
| 145 | + postNumber = parseInt(prompt("Ingrese el número del post que desea dar like (1 para el primero, 2 para el segundo, etc.): ")); |
| 146 | + break; |
| 147 | + } catch (error) { |
| 148 | + console.log("Debe ingresar un número entero."); |
| 149 | + } |
| 150 | + } while (true); |
| 151 | + const posts = author.posts; |
| 152 | + if (postNumber > 0 && postNumber <= posts.length) { |
| 153 | + const post = posts[postNumber - 1]; |
| 154 | + post.addLike(user); |
| 155 | + console.log("Diste like al post de " + author.name); |
| 156 | + } else { |
| 157 | + console.log("Error: Número de post inválido."); |
| 158 | + } |
| 159 | + } else { |
| 160 | + console.log("Error: Usuario no encontrado."); |
| 161 | + } |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +function unlikePost() { |
| 166 | + const userName = prompt("Tu nombre de usuario: "); |
| 167 | + const user = users.get(userName); |
| 168 | + if (user) { |
| 169 | + const postId = prompt("Ingrese el ID del post a eliminar like: "); |
| 170 | + let post = null; |
| 171 | + for (let u of users.values()) { |
| 172 | + post = u.posts.find(p => p.id === postId); |
| 173 | + if (post) break; |
| 174 | + } |
| 175 | + if (post) { |
| 176 | + post.removeLike(user); |
| 177 | + console.log("Eliminaste tu like del post."); |
| 178 | + } else { |
| 179 | + console.log("Error: No se encontró el post con ese ID."); |
| 180 | + } |
| 181 | + } |
| 182 | +} |
| 183 | + |
| 184 | +function viewMyFeed() { |
| 185 | + const userName = prompt("Tu nombre de usuario: "); |
| 186 | + const user = users.get(userName); |
| 187 | + if (user) { |
| 188 | + console.log("Tu feed:"); |
| 189 | + user.getMyFeed().forEach(post => console.log(post.toString())); |
| 190 | + } |
| 191 | +} |
| 192 | + |
| 193 | +function viewFollowingFeed() { |
| 194 | + const userName = prompt("Tu nombre de usuario: "); |
| 195 | + const user = users.get(userName); |
| 196 | + if (user) { |
| 197 | + console.log("Feed de usuarios que sigues:"); |
| 198 | + user.getFollowingFeed().forEach(post => console.log(post.toString())); |
| 199 | + } |
| 200 | +} |
| 201 | + |
| 202 | +function listUsers() { |
| 203 | + if (users.size === 0) { |
| 204 | + console.log("No hay usuarios registrados actualmente."); |
| 205 | + } else { |
| 206 | + console.log("Usuarios registrados:"); |
| 207 | + users.forEach(user => { |
| 208 | + console.log(`- ${user.name} (ID: ${user.id})`); |
| 209 | + }); |
| 210 | + } |
| 211 | +} |
| 212 | + |
| 213 | +function main() { |
| 214 | + let option; |
| 215 | + do { |
| 216 | + console.log("\nMenú:"); |
| 217 | + console.log("1. Registrar usuario"); |
| 218 | + console.log("2. Seguir a un usuario"); |
| 219 | + console.log("3. Dejar de seguir a un usuario"); |
| 220 | + console.log("4. Crear un post"); |
| 221 | + console.log("5. Eliminar un post"); |
| 222 | + console.log("6. Dar like a un post"); |
| 223 | + console.log("7. Eliminar like de un post"); |
| 224 | + console.log("8. Ver mi feed"); |
| 225 | + console.log("9. Ver feed de usuarios seguidos"); |
| 226 | + console.log("10. Listar usuarios registrados"); |
| 227 | + console.log("11. Salir"); |
| 228 | + do { |
| 229 | + try { |
| 230 | + option = parseInt(prompt("Seleccione una opción: ")); |
| 231 | + } catch (error) { |
| 232 | + console.log("Debe ingresar un número entero."); |
| 233 | + } |
| 234 | + } while (isNaN(option)); |
| 235 | + switch (option) { |
| 236 | + case 1: registerUser(); break; |
| 237 | + case 2: followUser(); break; |
| 238 | + case 3: unfollowUser(); break; |
| 239 | + case 4: createPost(); break; |
| 240 | + case 5: deletePost(); break; |
| 241 | + case 6: likePost(); break; |
| 242 | + case 7: unlikePost(); break; |
| 243 | + case 8: viewMyFeed(); break; |
| 244 | + case 9: viewFollowingFeed(); break; |
| 245 | + case 10: listUsers(); break; |
| 246 | + case 11: console.log("Saliendo de la red social..."); break; |
| 247 | + default: console.log("Opción inválida. Intente nuevamente."); break; |
| 248 | + } |
| 249 | + } while (option !== 11); |
| 250 | +} |
| 251 | + |
| 252 | +main(); |
0 commit comments