init: rapid_dashboards app from fn_registry

2026-04-06 00:57:13 +02:00
commit b7f354e081
46 changed files with 6139 additions and 0 deletions
@@ -0,0 +1,147 @@
+package main
+
+import (
+	"database/sql"
+	"embed"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/wailsapp/wails/v2"
+	"github.com/wailsapp/wails/v2/pkg/options"
+	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
+)
+
+//go:embed all:frontend/dist
+var assets embed.FS
+
+// examplesDir returns the path to the examples/ directory.
+// Checks cwd first (wails dev), then next to the executable (production).
+func examplesDir() string {
+	// 1. examples/ in cwd (wails dev runs from project root)
+	if info, err := os.Stat("examples"); err == nil && info.IsDir() {
+		return "examples"
+	}
+
+	// 2. examples/ next to the executable (production binary)
+	if exePath, err := os.Executable(); err == nil {
+		dir := filepath.Join(filepath.Dir(exePath), "examples")
+		if info, err := os.Stat(dir); err == nil && info.IsDir() {
+			return dir
+		}
+	}
+
+	return ""
+}
+
+func firstYAML(dir string) string {
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return ""
+	}
+	for _, e := range entries {
+		if !e.IsDir() && (filepath.Ext(e.Name()) == ".yaml" || filepath.Ext(e.Name()) == ".yml") {
+			return filepath.Join(dir, e.Name())
+		}
+	}
+	return ""
+}
+
+func main() {
+	// File logger for debugging
+	logFile, err := os.OpenFile("rapid_dashboards.log", os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
+	if err == nil {
+		log.SetOutput(logFile)
+		defer logFile.Close()
+	}
+
+	log.Printf("=== rapid_dashboards starting ===")
+	log.Printf("os.Args: %v", os.Args)
+	log.Printf("DASHBOARD env: %q", os.Getenv("DASHBOARD"))
+	log.Printf("cwd: %s", func() string { d, _ := os.Getwd(); return d }())
+
+	dashboardPath := flag.String("dashboard", "", "path to dashboard YAML file")
+	flag.Parse()
+
+	log.Printf("flag --dashboard: %q", *dashboardPath)
+
+	// Resolve examples directory — always used for listing/switching dashboards.
+	dashDir := examplesDir()
+	log.Printf("examples dir: %q", dashDir)
+
+	// Fallback: CLI flag → env var → first YAML in examples/
+	if *dashboardPath == "" {
+		if envPath := os.Getenv("DASHBOARD"); envPath != "" {
+			*dashboardPath = envPath
+			log.Printf("using DASHBOARD env var: %q", envPath)
+		} else if dashDir != "" {
+			if first := firstYAML(dashDir); first != "" {
+				*dashboardPath = first
+				log.Printf("auto-discovered dashboard: %q", first)
+			}
+		}
+	}
+
+	var cfg *DashboardConfig
+	var pool map[string]*sql.DB
+
+	if *dashboardPath == "" {
+		log.Printf("NO dashboard path — using dummy config (bindings mode)")
+		cfg = &DashboardConfig{
+			Settings:    Settings{Title: "rapid-dashboards", Width: 1280, Height: 800, Columns: 12},
+			Queries:     map[string]QueryDef{},
+			Filters:     map[string]FilterDef{},
+			Sections:    []SectionDef{},
+			Connections: map[string]ConnConfig{},
+		}
+	} else {
+		log.Printf("loading dashboard from: %q", *dashboardPath)
+		var loadErr error
+		cfg, loadErr = LoadDashboard(*dashboardPath)
+		if loadErr != nil {
+			log.Printf("ERROR loading dashboard: %v", loadErr)
+			fmt.Fprintf(os.Stderr, "error loading dashboard: %v\n", loadErr)
+			os.Exit(1)
+		}
+		log.Printf("dashboard loaded OK — title=%q sections=%d queries=%d",
+			cfg.Settings.Title, len(cfg.Sections), len(cfg.Queries))
+
+		yamlDir := filepath.Dir(*dashboardPath)
+		pool, loadErr = OpenConnections(cfg.Connections, yamlDir)
+		if loadErr != nil {
+			log.Printf("ERROR opening connections: %v", loadErr)
+			fmt.Fprintf(os.Stderr, "error opening connections: %v\n", loadErr)
+			os.Exit(1)
+		}
+		defer CloseConnections(pool)
+		log.Printf("connections opened: %d", len(pool))
+	}
+
+	engine := NewQueryEngine(cfg, pool)
+	app := NewApp(cfg, engine, pool, dashDir, *dashboardPath)
+
+	log.Printf("starting wails — title=%q width=%d height=%d dashDir=%q", cfg.Settings.Title, cfg.Settings.Width, cfg.Settings.Height, dashDir)
+
+	runErr := wails.Run(&options.App{
+		Title:  cfg.Settings.Title,
+		Width:  cfg.Settings.Width,
+		Height: cfg.Settings.Height,
+		AssetServer: &assetserver.Options{
+			Assets: assets,
+		},
+		BackgroundColour: &options.RGBA{R: 10, G: 10, B: 15, A: 1},
+		OnStartup:        app.startup,
+		Bind: []interface{}{
+			app,
+		},
+	})
+
+	if runErr != nil {
+		log.Printf("ERROR wails.Run: %v", runErr)
+		fmt.Fprintf(os.Stderr, "error: %v\n", runErr)
+		os.Exit(1)
+	}
+	log.Printf("=== rapid_dashboards exited cleanly ===")
+}