add downloadable datasets ui

app/ui.R

@@ -1,5 +1,89 @@
 library(bslib)
 
+download_card <- function(
+  title,
+  description,
+  data_coverage,
+  last_updated,
+  data_id
+) {
+  return(
+    card(
+      fill = F,
+      layout_columns(
+        col_widths = c(10, 2),
+        strong(title),
+        actionButton(
+          class = "btn-primary btn-sm",
+          icon = icon("download"),
+          paste("download", data_id, sep = "-"),
+          "Download"
+        )
+      ),
+      p(description),
+      div(
+        class = "d-flex",
+        div(
+          class = "d-flex me-4",
+          bs_icon("database-fill", class = "text-muted me-1"),
+          h6(data_coverage)
+        ),
+        div(
+          class = "d-flex me-4",
+          bs_icon("calendar-event-fill", class = "text-muted me-1"),
+          h6(last_updated)
+        )
+      )
+    )
+  )
+}
+
+# cost norm, economic factors, fatalities, svis, rmw county weights, landfalls
+download_cards <- list(
+  download_card(
+    "Cyclone Cost Normalization",
+    "Normalized economic damage estimates for US landfalling hurricanes 1900-2023 using updated MMH/MMP methodology.",
+    "1900-2023",
+    "8/03/2025",
+    "cost_norm"
+  ),
+  download_card(
+    "Economic Factors",
+    "Yearly economic factors for GDP deflator and Current-Cost Net Stock of Fixed Assets and Consumer Durable Goods (CCNFACDG) used in the MMH/MMP cost normalization methodology.",
+    "1900-2024",
+    "-/-/2025",
+    "usa_econ"
+  ),
+  download_card(
+    "Tracked Landfalls",
+    "Landfalls with identifiers, RMW county weights, and time/location data for all storms normalized using the MMH/MMP methodology.",
+    "1900-2024",
+    "3/15/2026",
+    "landfalls"
+  ),
+  download_card(
+    "Cyclone Fatalities",
+    "All known direct fatalities with peril categories from tropical cyclones",
+    "1963-2024",
+    "3/31/2026",
+    "fatalities"
+  ),
+  download_card(
+    "Social Vulnerability Index",
+    "County/tract level data representing the vulnerability of people in that region",
+    "X-X",
+    "...",
+    "svi"
+  ),
+  download_card(
+    "Additional Data",
+    "We can add more here later",
+    "X-X",
+    "...",
+    "additional"
+  )
+)
+
 ui <- page_navbar(
   id = "main_navbar",
   fillable = TRUE,
@@ -431,7 +515,17 @@ ui <- page_navbar(
         )
       )
     ),
-    nav_panel("Export")
+    nav_panel(
+      "Export",
+      layout_column_wrap(
+        width = 1 / 2,
+        card(
+          card_header("Available Datasets"),
+          !!!download_cards
+        ),
+        card()
+      )
+    )
   ),
   nav_menu(
     "About",