Primera versión estable v1.1.5 - Aulas UNICABA

2026-03-25 16:50:25 -03:00
commit d3243c0166
143 changed files with 22908 additions and 0 deletions
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+import { Injectable } from '@angular/core';
+import { Filesystem, Directory, Encoding } from '@capacitor/filesystem';
+import { FilePicker } from '@capawesome/capacitor-file-picker';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class CsvStorageService {
+
+  private readonly FILE_NAME = 'aulas_unicaba_datos.csv';
+
+  constructor() {}
+
+  private async ensurePermissions(): Promise<boolean> {
+    try {
+      let status = await Filesystem.checkPermissions();
+      if (status.publicStorage !== 'granted') {
+        status = await Filesystem.requestPermissions();
+      }
+      return status.publicStorage === 'granted';
+    } catch (e) {
+      return true;
+    }
+  }
+
+  async saveFavoritesToCsv(favoritos: string[]) {
+    try {
+      const hasPermission = await this.ensurePermissions();
+      if (!hasPermission) {
+        console.warn('Permisos denegados para escribir en Documents');
+        return;
+      }
+
+      let csvContent = 'tipo,valor\n';
+      favoritos.forEach(codigo => {
+        csvContent += `favorito,${codigo}\n`;
+      });
+
+      // Intentamos borrar si existe para forzar la actualización transparente en Scoped Storage
+      try {
+        await Filesystem.deleteFile({
+          path: this.FILE_NAME,
+          directory: Directory.Documents
+        });
+      } catch (e) {}
+
+      await Filesystem.writeFile({
+        path: this.FILE_NAME,
+        data: csvContent,
+        directory: Directory.Documents,
+        encoding: Encoding.UTF8
+      });
+      console.log('CSV guardado exitosamente en Documents');
+    } catch (e) {
+      console.error('Error al guardar el CSV:', e);
+    }
+  }
+
+  async loadFavoritesFromCsv(): Promise<string[] | null> {
+    try {
+      const hasPermission = await this.ensurePermissions();
+      if (!hasPermission) return null;
+
+      const contents = await Filesystem.readFile({
+        path: this.FILE_NAME,
+        directory: Directory.Documents,
+        encoding: Encoding.UTF8
+      });
+
+      if (!contents.data) return null;
+
+      const lines = contents.data.toString().split('\n');
+      const favs: string[] = [];
+
+      for (let i = 1; i < lines.length; i++) { 
+        const line = lines[i].trim();
+        if (line.startsWith('favorito,')) {
+           const parts = line.split(',');
+           if (parts.length > 1 && parts[1]) {
+             favs.push(parts[1]);
+           }
+        }
+      }
+
+      return favs.length > 0 ? favs : null;
+    } catch (e) {
+      return null;
+    }
+  }
+
+  async importFavoritesFromFilePicker(): Promise<string[] | null> {
+    try {
+      const result = await FilePicker.pickFiles({
+        types: ['text/csv', 'text/comma-separated-values', '.csv'],
+        readData: true
+      });
+
+      const file = result.files[0];
+      if (!file || !file.data) return null;
+
+      const text = decodeURIComponent(escape(window.atob(file.data)));
+      
+      const lines = text.split('\n');
+      const favs: string[] = [];
+
+      for (let i = 1; i < lines.length; i++) { 
+        const line = lines[i].trim();
+        if (line.startsWith('favorito,')) {
+           const parts = line.split(',');
+           if (parts.length > 1 && parts[1]) {
+             favs.push(parts[1]);
+           }
+        }
+      }
+
+      if (favs.length > 0) {
+        await this.saveFavoritesToCsv(favs);
+        return favs;
+      }
+      return null;
+    } catch(e) {
+      console.warn('File picker cancelado o falló', e);
+      return null;
+    }
+  }
+}