Add QR codes, link expiry, password protection, previews, audit trail and bulk operations

src/charts/bar.rs

@@ -14,7 +14,7 @@ pub fn generate_bar_chart(data: &[(String, i64)]) -> String {
     let pad_left = 130.0;
     let pad_right = 70.0;
     let width = 600.0;
-    
+
     let height = pad_top + pad_bottom + (data.len() as f64 * (bar_height + gap)) - gap;
     let chart_w = width - pad_left - pad_right;
 
@@ -27,7 +27,7 @@ pub fn generate_bar_chart(data: &[(String, i64)]) -> String {
     for (i, (label, val)) in data.iter().enumerate() {
         let y = pad_top + (i as f64 * (bar_height + gap));
         let bar_w = (*val as f64 / max_x) * chart_w;
-        
+
         let pct = if total_count > 0 {
             (*val as f64 / total_count as f64) * 100.0
         } else {

src/charts/line.rs

@@ -37,7 +37,11 @@ pub fn generate_line_chart(data: &[(String, i64)]) -> String {
 
     // Coordinates calculations
     let count = data.len();
-    let step_x = if count > 1 { chart_w / (count - 1) as f64 } else { chart_w };
+    let step_x = if count > 1 {
+        chart_w / (count - 1) as f64
+    } else {
+        chart_w
+    };
 
     let mut points = Vec::new();
     for (i, &(_, val)) in data.iter().enumerate() {
@@ -70,15 +74,23 @@ pub fn generate_line_chart(data: &[(String, i64)]) -> String {
     for (i, (label, _)) in data.iter().enumerate() {
         if i % label_step == 0 || i == count - 1 {
             let x = points[i].0;
-            let short_label = if label.len() == 10 { &label[5..] } else { label };
+            let short_label = if label.len() == 10 {
+                &label[5..]
+            } else {
+                label
+            };
             x_labels.push_str(&format!(
                 r##"<text x="{}" y="{}" fill="{}" font-size="11" font-family="system-ui, sans-serif" text-anchor="middle">{}</text>"##,
                 x, height - 15.0, DEFAULT_TEXT_COLOR, short_label
             ));
-            
+
             x_labels.push_str(&format!(
                 r##"<line x1="{}" y1="{}" x2="{}" y2="{}" stroke="{}" stroke-width="1"/>"##,
-                x, pad_top + chart_h, x, pad_top + chart_h + 5.0, DEFAULT_GRID_COLOR
+                x,
+                pad_top + chart_h,
+                x,
+                pad_top + chart_h + 5.0,
+                DEFAULT_GRID_COLOR
             ));
         }
     }

src/charts/mod.rs

@@ -1,10 +1,10 @@
-pub mod svg;
-pub mod line;
 pub mod bar;
+pub mod line;
 pub mod pie;
+pub mod svg;
 pub mod timeseries;
 
-pub use line::generate_line_chart;
 pub use bar::generate_bar_chart;
+pub use line::generate_line_chart;
 pub use pie::generate_pie_chart;
 pub use timeseries::generate_timeseries_chart;