using SharepointToolbox.Core.Models; using SharepointToolbox.Localization; using System.IO; using System.Text; namespace SharepointToolbox.Services.Export; /// /// Exports StorageNode tree to a self-contained HTML file with collapsible subfolder rows. /// Port of PS Export-StorageToHTML (PS lines 1621-1780). /// Uses a toggle(i) JS pattern where each collapsible row has id="sf-{i}". /// public class StorageHtmlExportService { private int _togIdx; /// /// Builds a self-contained HTML report with one collapsible row per /// library and indented child folders. Library-only variant — use the /// overload that accepts s when a file-type /// breakdown section is desired. /// public string BuildHtml(IReadOnlyList nodes, ReportBranding? branding = null) { var T = TranslationSource.Instance; _togIdx = 0; var sb = new StringBuilder(); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine($"{T["report.title.storage"]}"); sb.AppendLine(""" """); sb.Append(BrandingHtmlHelper.BuildBrandingHeader(branding)); sb.AppendLine($"

{T["report.title.storage"]}

"); // Summary cards var rootNodes0 = nodes.Where(n => n.IndentLevel == 0).ToList(); long siteTotal0 = rootNodes0.Sum(n => n.TotalSizeBytes); long versionTotal0 = rootNodes0.Sum(n => n.VersionSizeBytes); long fileTotal0 = rootNodes0.Sum(n => n.TotalFileCount); sb.AppendLine($"""
{FormatSize(siteTotal0)}
{T["report.stat.total_size"]}
{FormatSize(versionTotal0)}
{T["report.stat.version_size"]}
{fileTotal0:N0}
{T["report.stat.files"]}
"""); sb.AppendLine($""" """); foreach (var node in nodes) { RenderNode(sb, node); } sb.AppendLine("""
{T["report.col.library_folder"]} {T["report.col.site"]} {T["report.stat.files"]} {T["report.stat.total_size"]} {T["report.stat.version_size"]} {T["report.col.last_modified"]}
"""); sb.AppendLine($"

{T["report.text.generated_colon"]} {DateTime.Now:yyyy-MM-dd HH:mm}

"); sb.AppendLine(""); return sb.ToString(); } /// /// Builds an HTML report including a file-type breakdown chart section. /// public string BuildHtml(IReadOnlyList nodes, IReadOnlyList fileTypeMetrics, ReportBranding? branding = null) { var T = TranslationSource.Instance; _togIdx = 0; var sb = new StringBuilder(); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine(""); sb.AppendLine($"{T["report.title.storage"]}"); sb.AppendLine(""" """); sb.Append(BrandingHtmlHelper.BuildBrandingHeader(branding)); sb.AppendLine($"

{T["report.title.storage"]}

"); // ── Summary cards ── var rootNodes = nodes.Where(n => n.IndentLevel == 0).ToList(); long siteTotal = rootNodes.Sum(n => n.TotalSizeBytes); long versionTotal = rootNodes.Sum(n => n.VersionSizeBytes); long fileTotal = rootNodes.Sum(n => n.TotalFileCount); sb.AppendLine("
"); sb.AppendLine($"
{FormatSize(siteTotal)}
{T["report.stat.total_size"]}
"); sb.AppendLine($"
{FormatSize(versionTotal)}
{T["report.stat.version_size"]}
"); sb.AppendLine($"
{fileTotal:N0}
{T["report.stat.files"]}
"); sb.AppendLine($"
{rootNodes.Count}
{T["report.stat.libraries"]}
"); sb.AppendLine("
"); // ── File type chart section ── if (fileTypeMetrics.Count > 0) { var maxSize = fileTypeMetrics.Max(m => m.TotalSizeBytes); var totalSize = fileTypeMetrics.Sum(m => m.TotalSizeBytes); var totalFiles = fileTypeMetrics.Sum(m => m.FileCount); sb.AppendLine("
"); <<<<<<< HEAD sb.AppendLine($"

{T["report.section.storage_by_file_type"]} ({totalFiles:N0} {T["report.text.files_unit"]}, {FormatSize(totalSize)})

"); ======= <<<<<<< HEAD sb.AppendLine($"

{T["report.section.storage_by_file_type"]} ({totalFiles:N0} {T["report.text.files_unit"]}, {FormatSize(totalSize)})

"); ======= <<<<<<< HEAD sb.AppendLine($"

{T["report.section.storage_by_file_type"]} ({totalFiles:N0} {T["report.text.files_unit"]}, {FormatSize(totalSize)})

"); ======= sb.AppendLine($"

{T["report.section.storage_by_file_type"]} ({totalFiles:N0} files, {FormatSize(totalSize)})

"); >>>>>>> f4cc81bb71b935c6f6f050288c9e283dcca5cfa8 >>>>>>> b8c09655ac1a3cf1e116d5b5178ec293659c1a72 >>>>>>> efb3d2ad116b4b30c81d70c27e38a8e65a5d95f8 var colors = new[] { "#0078d4", "#2b88d8", "#106ebe", "#005a9e", "#004578", "#00bcf2", "#009e49", "#8cbd18", "#ffb900", "#d83b01" }; int idx = 0; foreach (var m in fileTypeMetrics.Take(15)) { double pct = maxSize > 0 ? m.TotalSizeBytes * 100.0 / maxSize : 0; string color = colors[idx % colors.Length]; string label = string.IsNullOrEmpty(m.Extension) ? T["report.text.no_ext"] : m.Extension; sb.AppendLine($"""
{HtmlEncode(label)}
{FormatSize(m.TotalSizeBytes)} · {m.FileCount:N0} {T["report.text.files_unit"]}
"""); idx++; } sb.AppendLine("
"); } // ── Storage table ── sb.AppendLine($"

{T["report.section.library_details"]}

"); sb.AppendLine($""" """); foreach (var node in nodes) { RenderNode(sb, node); } sb.AppendLine("""
{T["report.col.library_folder"]} {T["report.col.site"]} {T["report.stat.files"]} {T["report.stat.total_size"]} {T["report.stat.version_size"]} {T["report.col.last_modified"]}
"""); sb.AppendLine($"

{T["report.text.generated_colon"]} {DateTime.Now:yyyy-MM-dd HH:mm}

"); sb.AppendLine(""); return sb.ToString(); } /// Writes the library-only HTML report to . public async Task WriteAsync(IReadOnlyList nodes, string filePath, CancellationToken ct, ReportBranding? branding = null) { var html = BuildHtml(nodes, branding); await File.WriteAllTextAsync(filePath, html, Encoding.UTF8, ct); } /// Writes the HTML report including the file-type breakdown chart. public async Task WriteAsync(IReadOnlyList nodes, IReadOnlyList fileTypeMetrics, string filePath, CancellationToken ct, ReportBranding? branding = null) { var html = BuildHtml(nodes, fileTypeMetrics, branding); await File.WriteAllTextAsync(filePath, html, Encoding.UTF8, ct); } /// /// Split-aware HTML export for storage metrics. /// Single → one file. BySite + SeparateFiles → one file per site. /// BySite + SingleTabbed → one HTML with per-site iframe tabs. File-type /// metrics are replicated across partitions because they are not /// attributed per-site by the scanner. /// public async Task WriteAsync( IReadOnlyList nodes, IReadOnlyList fileTypeMetrics, string basePath, ReportSplitMode splitMode, HtmlSplitLayout layout, CancellationToken ct, ReportBranding? branding = null) { if (splitMode != ReportSplitMode.BySite) { await WriteAsync(nodes, fileTypeMetrics, basePath, ct, branding); return; } var partitions = StorageCsvExportService.PartitionBySite(nodes).ToList(); if (layout == HtmlSplitLayout.SingleTabbed) { var parts = partitions .Select(p => (p.Label, Html: BuildHtml(p.Partition, fileTypeMetrics, branding))) .ToList(); var title = TranslationSource.Instance["report.title.storage"]; var tabbed = ReportSplitHelper.BuildTabbedHtml(parts, title); await File.WriteAllTextAsync(basePath, tabbed, Encoding.UTF8, ct); return; } foreach (var (label, partNodes) in partitions) { ct.ThrowIfCancellationRequested(); var path = ReportSplitHelper.BuildPartitionPath(basePath, label); await WriteAsync(partNodes, fileTypeMetrics, path, ct, branding); } } // ── Private rendering ──────────────────────────────────────────────────── private void RenderNode(StringBuilder sb, StorageNode node) { bool hasChildren = node.Children.Count > 0; int myIdx = hasChildren ? ++_togIdx : 0; string nameCell = hasChildren ? $"{HtmlEncode(node.Name)}" : $"{HtmlEncode(node.Name)}"; string lastMod = node.LastModified.HasValue ? node.LastModified.Value.ToString("yyyy-MM-dd") : string.Empty; sb.AppendLine($""" {nameCell} {HtmlEncode(node.SiteTitle)} {node.TotalFileCount:N0} {FormatSize(node.TotalSizeBytes)} {FormatSize(node.VersionSizeBytes)} {lastMod} """); if (hasChildren) { sb.AppendLine($""); sb.AppendLine(""); foreach (var child in node.Children) { RenderChildNode(sb, child); } sb.AppendLine("
"); sb.AppendLine(""); } } private void RenderChildNode(StringBuilder sb, StorageNode node) { bool hasChildren = node.Children.Count > 0; int myIdx = hasChildren ? ++_togIdx : 0; string indent = $"margin-left:{(node.IndentLevel + 1) * 16}px"; string nameCell = hasChildren ? $"{HtmlEncode(node.Name)}" : $"{HtmlEncode(node.Name)}"; string lastMod = node.LastModified.HasValue ? node.LastModified.Value.ToString("yyyy-MM-dd") : string.Empty; sb.AppendLine($""" {nameCell} {HtmlEncode(node.SiteTitle)} {node.TotalFileCount:N0} {FormatSize(node.TotalSizeBytes)} {FormatSize(node.VersionSizeBytes)} {lastMod} """); if (hasChildren) { sb.AppendLine($""); sb.AppendLine(""); foreach (var child in node.Children) { RenderChildNode(sb, child); } sb.AppendLine("
"); sb.AppendLine(""); } } private static string FormatSize(long bytes) { if (bytes >= 1_073_741_824L) return $"{bytes / 1_073_741_824.0:F2} GB"; if (bytes >= 1_048_576L) return $"{bytes / 1_048_576.0:F2} MB"; if (bytes >= 1024L) return $"{bytes / 1024.0:F2} KB"; return $"{bytes} B"; } private static string HtmlEncode(string value) => System.Net.WebUtility.HtmlEncode(value ?? string.Empty); }