Implement selective project sharing between aularios via JSON configuration

Co-authored-by: naielv <109038805+naielv@users.noreply.github.com>

public_html/entreaulas/proyectos.php

@@ -100,6 +100,36 @@ function list_projects($proyectos_dir, $parent_id = null) {
 	return $projects;
 }
 
+// Function to get linked projects from other aularios
+function get_linked_projects($aulario, $centro_id) {
+	$linked = [];
+	$linked_projects = $aulario["linked_projects"] ?? [];
+	
+	foreach ($linked_projects as $link) {
+		$source_aulario = $link["source_aulario"] ?? "";
+		$project_id = $link["project_id"] ?? "";
+		
+		if (empty($source_aulario) || empty($project_id)) {
+			continue;
+		}
+		
+		$source_dir = "/DATA/entreaulas/Centros/$centro_id/Aularios/$source_aulario/Proyectos";
+		$project_file = "$source_dir/$project_id.json";
+		
+		if (file_exists($project_file)) {
+			$project = json_decode(file_get_contents($project_file), true);
+			if ($project && ($project["parent_id"] ?? null) === null) {
+				// Mark as linked and add source info
+				$project["is_linked"] = true;
+				$project["source_aulario"] = $source_aulario;
+				$linked[] = $project;
+			}
+		}
+	}
+	
+	return $linked;
+}
+
 // Handle actions
 $message = "";
 $error = "";
@@ -361,16 +391,31 @@ $view = $current_project ? "project" : "list";
 	
 	<!-- Project List -->
 	<?php
-	$projects = list_projects($proyectos_dir);
+	// Get local projects and linked projects
+	$local_projects = list_projects($proyectos_dir);
+	$linked_projects = get_linked_projects($aulario, $centro_id);
+	$projects = array_merge($local_projects, $linked_projects);
+	
+	// Sort by creation date
+	usort($projects, function($a, $b) {
+		return ($b["created_at"] ?? 0) <=> ($a["created_at"] ?? 0);
+	});
+	
 	if (count($projects) > 0):
 	?>
 	<div id="grid">
-		<?php foreach ($projects as $project): ?>
+		<?php foreach ($projects as $project): 
+			$is_linked = $project["is_linked"] ?? false;
+			$source_aulario = $project["source_aulario"] ?? "";
+		?>
 		<div class="card grid-item" style="width: 300px;">
 			<div class="card-body">
 				<h5 class="card-title">
 					<img src="/static/arasaac/carpeta.png" height="30" style="vertical-align: middle; background: white; padding: 3px; border-radius: 5px;">
 					<?= htmlspecialchars($project["name"]) ?>
+					<?php if ($is_linked): ?>
+						<span class="badge bg-info" style="font-size: 0.7rem;">Compartido</span>
+					<?php endif; ?>
 				</h5>
 				<?php if (!empty($project["description"])): ?>
 				<p class="card-text"><?= htmlspecialchars($project["description"]) ?></p>
@@ -384,18 +429,25 @@ $view = $current_project ? "project" : "list";
 					</small>
 				</p>
 				<div class="d-flex gap-2">
-					<a href="/entreaulas/proyectos.php?aulario=<?= urlencode($aulario_id) ?>&project=<?= urlencode($project["id"]) ?>" class="btn btn-primary">
+					<?php if ($is_linked): ?>
-						<img src="/static/iconexperience/find.png" height="20" style="vertical-align: middle;">
+						<a href="/entreaulas/proyectos.php?aulario=<?= urlencode($aulario_id) ?>&project=<?= urlencode($project["id"]) ?>&source=<?= urlencode($source_aulario) ?>" class="btn btn-primary">
-						Abrir
+							<img src="/static/iconexperience/find.png" height="20" style="vertical-align: middle;">
-					</a>
+							Abrir
-					<form method="post" style="display: inline;" onsubmit="return confirm('¿Estás seguro de que quieres eliminar este proyecto?');">
+						</a>
-						<input type="hidden" name="action" value="delete_project">
+					<?php else: ?>
-						<input type="hidden" name="project_id" value="<?= htmlspecialchars($project["id"]) ?>">
+						<a href="/entreaulas/proyectos.php?aulario=<?= urlencode($aulario_id) ?>&project=<?= urlencode($project["id"]) ?>" class="btn btn-primary">
-						<button type="submit" class="btn btn-danger">
+							<img src="/static/iconexperience/find.png" height="20" style="vertical-align: middle;">
-							<img src="/static/iconexperience/garbage.png" height="20" style="vertical-align: middle;">
+							Abrir
-							Eliminar
+						</a>
-						</button>
+						<form method="post" style="display: inline;" onsubmit="return confirm('¿Estás seguro de que quieres eliminar este proyecto?');">
-					</form>
+							<input type="hidden" name="action" value="delete_project">
+							<input type="hidden" name="project_id" value="<?= htmlspecialchars($project["id"]) ?>">
+							<button type="submit" class="btn btn-danger">
+								<img src="/static/iconexperience/garbage.png" height="20" style="vertical-align: middle;">
+								Eliminar
+							</button>
+						</form>
+					<?php endif; ?>
 				</div>
 			</div>
 		</div>
@@ -439,7 +491,19 @@ $view = $current_project ? "project" : "list";
 <?php elseif ($view === "project"): ?>
 	<!-- Project Detail View -->
 	<?php
-	$project = load_project($proyectos_dir, $current_project);
+	// Check if this is a linked project from another aulario
+	$source_aulario_for_project = $_GET["source"] ?? "";
+	$is_linked_project = !empty($source_aulario_for_project);
+	
+	if ($is_linked_project) {
+		// Load from source aulario
+		$project_source_dir = "/DATA/entreaulas/Centros/$centro_id/Aularios/$source_aulario_for_project/Proyectos";
+		$project = load_project($project_source_dir, $current_project);
+	} else {
+		// Load from local aulario
+		$project = load_project($proyectos_dir, $current_project);
+	}
+	
 	if (!$project):
 	?>
 	<div class="card pad">
@@ -479,6 +543,12 @@ $view = $current_project ? "project" : "list";
 		</ol>
 	</nav>
 	
+	<?php if ($is_linked_project): ?>
+		<div class="card pad" style="background: #cfe2ff; color: #084298;">
+			<strong>ℹ️ Proyecto compartido:</strong> Este es un proyecto compartido desde otro aulario. Solo puedes ver su contenido, pero no editarlo ni eliminarlo.
+		</div>
+	<?php endif; ?>
+	
 	<div class="card pad">
 		<div class="d-flex justify-content-between align-items-start">
 			<div>
@@ -486,6 +556,9 @@ $view = $current_project ? "project" : "list";
 					<img src="/static/arasaac/carpeta.png" height="40" style="vertical-align: middle; background: white; padding: 5px; border-radius: 10px;">
 					<?= htmlspecialchars($project["name"]) ?>
 					<span class="badge bg-secondary">Nivel <?= $project_level ?></span>
+					<?php if ($is_linked_project): ?>
+						<span class="badge bg-info">Compartido</span>
+					<?php endif; ?>
 				</h1>
 				<?php if (!empty($project["description"])): ?>
 				<p><?= htmlspecialchars($project["description"]) ?></p>
@@ -504,6 +577,7 @@ $view = $current_project ? "project" : "list";
 	</div>
 	
 	<!-- Action Buttons -->
+	<?php if (!$is_linked_project): ?>
 	<div class="card pad">
 		<div class="d-flex gap-2 flex-wrap">
 			<button type="button" class="btn btn-success btn-lg" data-bs-toggle="modal" data-bs-target="#addItemModal">
@@ -518,6 +592,7 @@ $view = $current_project ? "project" : "list";
 			<?php endif; ?>
 		</div>
 	</div>
+	<?php endif; ?>
 	
 	<!-- Sub-Projects Section -->
 	<?php
@@ -610,11 +685,16 @@ $view = $current_project ? "project" : "list";
 							Abrir Enlace
 						</a>
 					<?php else: ?>
-						<a href="/entreaulas/_filefetch.php?type=proyecto_file&centro=<?= urlencode($centro_id) ?>&aulario=<?= urlencode($aulario_id) ?>&project=<?= urlencode($current_project) ?>&file=<?= urlencode($item["filename"]) ?>" target="_blank" class="btn btn-primary btn-lg">
+						<?php
+						// Use source aulario for file fetch if linked project
+						$fetch_aulario = $is_linked_project ? $source_aulario_for_project : $aulario_id;
+						?>
+						<a href="/entreaulas/_filefetch.php?type=proyecto_file&centro=<?= urlencode($centro_id) ?>&aulario=<?= urlencode($fetch_aulario) ?>&project=<?= urlencode($current_project) ?>&file=<?= urlencode($item["filename"]) ?>" target="_blank" class="btn btn-primary btn-lg">
 							<img src="/static/iconexperience/find.png" height="25" style="vertical-align: middle;">
 							Abrir Archivo
 						</a>
 					<?php endif; ?>
+					<?php if (!$is_linked_project): ?>
 					<form method="post" style="display: inline;" onsubmit="return confirm('¿Estás seguro de que quieres eliminar este elemento?');">
 						<input type="hidden" name="action" value="delete_item">
 						<input type="hidden" name="project_id" value="<?= htmlspecialchars($current_project) ?>">
@@ -623,6 +703,7 @@ $view = $current_project ? "project" : "list";
 							<img src="/static/iconexperience/garbage.png" height="20" style="vertical-align: middle;">
 						</button>
 					</form>
+					<?php endif; ?>
 				</div>
 			</div>
 		</div>

public_html/sysadmin/aularios.php

@@ -40,6 +40,26 @@ switch ($_GET["form"]) {
             unset($aulario_data["shared_comedor_from"]);
         }
         
+        // Handle linked projects configuration
+        $linked_projects = [];
+        $linked_aularios = $_POST["linked_aulario"] ?? [];
+        $linked_project_ids = $_POST["linked_project_id"] ?? [];
+        
+        for ($i = 0; $i < count($linked_aularios); $i++) {
+            if (!empty($linked_aularios[$i]) && !empty($linked_project_ids[$i])) {
+                $linked_projects[] = [
+                    "source_aulario" => $linked_aularios[$i],
+                    "project_id" => $linked_project_ids[$i]
+                ];
+            }
+        }
+        
+        if (count($linked_projects) > 0) {
+            $aulario_data["linked_projects"] = $linked_projects;
+        } else {
+            unset($aulario_data["linked_projects"]);
+        }
+        
         file_put_contents($aulario_file, json_encode($aulario_data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
         header("Location: ?action=edit&aulario=" . urlencode($aulario_id) . "&centro=" . urlencode($centro_id) . "&saved=1");
         exit();
@@ -104,6 +124,29 @@ switch ($_GET["action"]) {
                 $available_aularios[$aul_id] = $aul_data['name'] ?? $aul_id;
             }
         }
+        
+        // Get available projects from other aularios
+        $available_projects_by_aulario = [];
+        foreach ($available_aularios as $aul_id => $aul_name) {
+            $proj_dir = "/DATA/entreaulas/Centros/$centro_id/Aularios/$aul_id/Proyectos";
+            if (is_dir($proj_dir)) {
+                $projects = [];
+                $files = glob("$proj_dir/*.json");
+                foreach ($files as $file) {
+                    $proj_data = json_decode(file_get_contents($file), true);
+                    // Only include root projects (no parent)
+                    if ($proj_data && ($proj_data["parent_id"] ?? null) === null) {
+                        $projects[] = [
+                            "id" => $proj_data["id"] ?? basename($file, ".json"),
+                            "name" => $proj_data["name"] ?? "Sin nombre"
+                        ];
+                    }
+                }
+                if (count($projects) > 0) {
+                    $available_projects_by_aulario[$aul_id] = $projects;
+                }
+            }
+        }
 ?>
 <?php if (isset($_GET['saved'])): ?>
 <div class="alert alert-success">Cambios guardados correctamente.</div>
@@ -138,6 +181,125 @@ switch ($_GET["action"]) {
                 </select>
             </div>
             
+            <hr>
+            <h3>Proyectos Enlazados</h3>
+            <p class="text-muted">Selecciona proyectos raíz específicos de otros aularios para mostrarlos en este aulario. Los proyectos enlazados se mostrarán como solo lectura.</p>
+            
+            <div id="linked-projects-container">
+                <?php
+                $existing_links = $aulario_data['linked_projects'] ?? [];
+                if (count($existing_links) === 0) {
+                    // Show one empty row
+                    $existing_links = [["source_aulario" => "", "project_id" => ""]];
+                }
+                foreach ($existing_links as $idx => $link):
+                    $source_aul = $link['source_aulario'] ?? '';
+                    $proj_id = $link['project_id'] ?? '';
+                ?>
+                <div class="row mb-2 linked-project-row">
+                    <div class="col-md-5">
+                        <select name="linked_aulario[]" class="form-select linked-aulario-select" data-row="<?php echo $idx; ?>">
+                            <option value="">-- Seleccionar aulario origen --</option>
+                            <?php foreach ($available_aularios as $aul_id => $aul_name): ?>
+                                <option value="<?php echo htmlspecialchars($aul_id); ?>" 
+                                    <?php echo $source_aul === $aul_id ? 'selected' : ''; ?>>
+                                    <?php echo htmlspecialchars($aul_name); ?>
+                                </option>
+                            <?php endforeach; ?>
+                        </select>
+                    </div>
+                    <div class="col-md-5">
+                        <select name="linked_project_id[]" class="form-select linked-project-select" data-row="<?php echo $idx; ?>">
+                            <option value="">-- Seleccionar proyecto --</option>
+                            <?php if (!empty($source_aul) && isset($available_projects_by_aulario[$source_aul])): ?>
+                                <?php foreach ($available_projects_by_aulario[$source_aul] as $proj): ?>
+                                    <option value="<?php echo htmlspecialchars($proj['id']); ?>"
+                                        <?php echo $proj_id === $proj['id'] ? 'selected' : ''; ?>>
+                                        <?php echo htmlspecialchars($proj['name']); ?>
+                                    </option>
+                                <?php endforeach; ?>
+                            <?php endif; ?>
+                        </select>
+                    </div>
+                    <div class="col-md-2">
+                        <button type="button" class="btn btn-danger remove-link-btn" onclick="removeLinkedProject(this)">Eliminar</button>
+                    </div>
+                </div>
+                <?php endforeach; ?>
+            </div>
+            
+            <button type="button" class="btn btn-secondary mb-3" onclick="addLinkedProject()">+ Añadir Proyecto Enlazado</button>
+            
+            <script>
+                // Store available projects data
+                const availableProjects = <?php echo json_encode($available_projects_by_aulario); ?>;
+                let rowCounter = <?php echo count($existing_links); ?>;
+                
+                function addLinkedProject() {
+                    const container = document.getElementById('linked-projects-container');
+                    const newRow = document.createElement('div');
+                    newRow.className = 'row mb-2 linked-project-row';
+                    newRow.innerHTML = `
+                        <div class="col-md-5">
+                            <select name="linked_aulario[]" class="form-select linked-aulario-select" data-row="${rowCounter}">
+                                <option value="">-- Seleccionar aulario origen --</option>
+                                <?php foreach ($available_aularios as $aul_id => $aul_name): ?>
+                                    <option value="<?php echo htmlspecialchars($aul_id); ?>">
+                                        <?php echo htmlspecialchars($aul_name); ?>
+                                    </option>
+                                <?php endforeach; ?>
+                            </select>
+                        </div>
+                        <div class="col-md-5">
+                            <select name="linked_project_id[]" class="form-select linked-project-select" data-row="${rowCounter}">
+                                <option value="">-- Seleccionar proyecto --</option>
+                            </select>
+                        </div>
+                        <div class="col-md-2">
+                            <button type="button" class="btn btn-danger remove-link-btn" onclick="removeLinkedProject(this)">Eliminar</button>
+                        </div>
+                    `;
+                    container.appendChild(newRow);
+                    
+                    // Attach change event to new aulario select
+                    const newAularioSelect = newRow.querySelector('.linked-aulario-select');
+                    newAularioSelect.addEventListener('change', updateProjectOptions);
+                    
+                    rowCounter++;
+                }
+                
+                function removeLinkedProject(btn) {
+                    btn.closest('.linked-project-row').remove();
+                }
+                
+                function updateProjectOptions(event) {
+                    const aularioSelect = event.target;
+                    const rowId = aularioSelect.dataset.row;
+                    const projectSelect = document.querySelector(`.linked-project-select[data-row="${rowId}"]`);
+                    const selectedAulario = aularioSelect.value;
+                    
+                    // Clear project options
+                    projectSelect.innerHTML = '<option value="">-- Seleccionar proyecto --</option>';
+                    
+                    // Add new options
+                    if (selectedAulario && availableProjects[selectedAulario]) {
+                        availableProjects[selectedAulario].forEach(proj => {
+                            const option = document.createElement('option');
+                            option.value = proj.id;
+                            option.textContent = proj.name;
+                            projectSelect.appendChild(option);
+                        });
+                    }
+                }
+                
+                // Attach event listeners to existing selects
+                document.addEventListener('DOMContentLoaded', function() {
+                    document.querySelectorAll('.linked-aulario-select').forEach(select => {
+                        select.addEventListener('change', updateProjectOptions);
+                    });
+                });
+            </script>
+            
             <input type="hidden" name="aulario_id" value="<?php echo htmlspecialchars($aulario_id); ?>">
             <input type="hidden" name="centro_id" value="<?php echo htmlspecialchars($centro_id); ?>">
             <button type="submit" class="btn btn-primary">Guardar Cambios</button>