fix drone and sqlc generation

server/handler/snapshots.go

@@ -0,0 +1,124 @@
+package handler
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"vctp/components/views"
+	"vctp/internal/report"
+
+	"github.com/a-h/templ"
+)
+
+// SnapshotHourlyList renders the hourly snapshot list page.
+// @Summary List hourly snapshots
+// @Description Lists hourly inventory snapshot tables.
+// @Tags snapshots
+// @Produce text/html
+// @Success 200 {string} string "HTML page"
+// @Failure 500 {string} string "Server error"
+// @Router /snapshots/hourly [get]
+func (h *Handler) SnapshotHourlyList(w http.ResponseWriter, r *http.Request) {
+	h.renderSnapshotList(w, r, "inventory_daily_", "Hourly Inventory Snapshots", views.SnapshotHourlyList)
+}
+
+// SnapshotDailyList renders the daily snapshot list page.
+// @Summary List daily snapshots
+// @Description Lists daily summary snapshot tables.
+// @Tags snapshots
+// @Produce text/html
+// @Success 200 {string} string "HTML page"
+// @Failure 500 {string} string "Server error"
+// @Router /snapshots/daily [get]
+func (h *Handler) SnapshotDailyList(w http.ResponseWriter, r *http.Request) {
+	h.renderSnapshotList(w, r, "inventory_daily_summary_", "Daily Inventory Snapshots", views.SnapshotDailyList)
+}
+
+// SnapshotMonthlyList renders the monthly snapshot list page.
+// @Summary List monthly snapshots
+// @Description Lists monthly summary snapshot tables.
+// @Tags snapshots
+// @Produce text/html
+// @Success 200 {string} string "HTML page"
+// @Failure 500 {string} string "Server error"
+// @Router /snapshots/monthly [get]
+func (h *Handler) SnapshotMonthlyList(w http.ResponseWriter, r *http.Request) {
+	h.renderSnapshotList(w, r, "inventory_monthly_summary_", "Monthly Inventory Snapshots", views.SnapshotMonthlyList)
+}
+
+// SnapshotReportDownload streams a snapshot table as XLSX.
+// @Summary Download snapshot report
+// @Description Downloads a snapshot table as an XLSX file.
+// @Tags snapshots
+// @Produce application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
+// @Param table query string true "Snapshot table name"
+// @Success 200 {file} file "Snapshot XLSX report"
+// @Failure 400 {object} map[string]string "Invalid request"
+// @Failure 500 {object} map[string]string "Server error"
+// @Router /api/report/snapshot [get]
+func (h *Handler) SnapshotReportDownload(w http.ResponseWriter, r *http.Request) {
+	ctx := context.Background()
+	tableName := r.URL.Query().Get("table")
+	if tableName == "" {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusBadRequest)
+		json.NewEncoder(w).Encode(map[string]string{
+			"status":  "ERROR",
+			"message": "Missing table parameter",
+		})
+		return
+	}
+
+	reportData, err := report.CreateTableReport(h.Logger, h.Database, ctx, tableName)
+	if err != nil {
+		h.Logger.Error("Failed to create snapshot report", "error", err, "table", tableName)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(map[string]string{
+			"status":  "ERROR",
+			"message": fmt.Sprintf("Unable to create snapshot report: '%s'", err),
+		})
+		return
+	}
+
+	filename := fmt.Sprintf("%s.xlsx", tableName)
+	w.Header().Set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
+	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", filename))
+	w.Header().Set("File-Name", filename)
+	w.Write(reportData)
+}
+
+func (h *Handler) renderSnapshotList(w http.ResponseWriter, r *http.Request, prefix string, title string, renderer func([]views.SnapshotEntry) templ.Component) {
+	ctx := context.Background()
+	tables, err := report.ListTablesByPrefix(ctx, h.Database, prefix)
+	if err != nil {
+		h.Logger.Error("Failed to list snapshot tables", "error", err, "prefix", prefix)
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprintf(w, "Unable to list snapshot tables: %s\n", err)
+		return
+	}
+
+	entries := make([]views.SnapshotEntry, 0, len(tables))
+	for _, table := range tables {
+		if prefix == "inventory_daily_" && strings.HasPrefix(table, "inventory_daily_summary_") {
+			continue
+		}
+		label := table
+		if parsed, ok := report.FormatSnapshotLabel(prefix, table); ok {
+			label = parsed
+		}
+		entries = append(entries, views.SnapshotEntry{
+			Label: label,
+			Link:  "/api/report/snapshot?table=" + url.QueryEscape(table),
+		})
+	}
+
+	if err := renderer(entries).Render(r.Context(), w); err != nil {
+		h.Logger.Error("Failed to render snapshot list", "error", err, "title", title)
+		w.WriteHeader(http.StatusInternalServerError)
+		fmt.Fprintf(w, "Failed to render snapshot list")
+	}
+}