init: fuzzygraph app from fn_registry

2026-04-06 00:56:50 +02:00
commit 23198eee0c
42 changed files with 5539 additions and 0 deletions
@@ -0,0 +1,101 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	ops "fn-registry/fn_operations"
+)
+
+// listProjectDirs returns subdirectories under projectsDir.
+func listProjectDirs(projectsDir string) ([]ProjectInfo, error) {
+	log.Printf("[listProjectDirs] scanning %s", projectsDir)
+
+	entries, err := os.ReadDir(projectsDir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			log.Printf("[listProjectDirs] dir does not exist, returning nil")
+			return nil, nil
+		}
+		log.Printf("[listProjectDirs] ERROR reading dir: %v", err)
+		return nil, err
+	}
+
+	log.Printf("[listProjectDirs] found %d entries", len(entries))
+
+	var projects []ProjectInfo
+	for _, e := range entries {
+		log.Printf("[listProjectDirs]   entry: %s isDir=%v", e.Name(), e.IsDir())
+		if !e.IsDir() {
+			continue
+		}
+		dbPath := filepath.Join(projectsDir, e.Name(), "operations.db")
+		if _, err := os.Stat(dbPath); err != nil {
+			log.Printf("[listProjectDirs]   %s: no operations.db, skipping", e.Name())
+			continue
+		}
+
+		info := ProjectInfo{Name: e.Name()}
+
+		// Quick counts from the DB
+		db, err := ops.Open(dbPath)
+		if err == nil {
+			entities, _ := db.ListEntities("", "")
+			relations, _ := db.ListRelations("")
+			info.EntityCount = len(entities)
+			info.RelCount = len(relations)
+			db.Close()
+			log.Printf("[listProjectDirs]   %s: OK (entities=%d relations=%d)", e.Name(), info.EntityCount, info.RelCount)
+		} else {
+			log.Printf("[listProjectDirs]   %s: ERROR opening db: %v", e.Name(), err)
+		}
+
+		projects = append(projects, info)
+	}
+
+	log.Printf("[listProjectDirs] returning %d projects", len(projects))
+	return projects, nil
+}
+
+// createProject creates a new project directory with an operations.db.
+func createProject(projectsDir, name string) error {
+	dir := filepath.Join(projectsDir, name)
+	log.Printf("[createProject] creating dir: %s", dir)
+
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		log.Printf("[createProject] ERROR mkdir: %v", err)
+		return fmt.Errorf("creating project directory: %w", err)
+	}
+
+	dbPath := filepath.Join(dir, "operations.db")
+	log.Printf("[createProject] creating db: %s", dbPath)
+
+	db, err := ops.Open(dbPath)
+	if err != nil {
+		log.Printf("[createProject] ERROR opening db: %v", err)
+		return fmt.Errorf("creating operations.db: %w", err)
+	}
+
+	if err := db.Close(); err != nil {
+		log.Printf("[createProject] ERROR closing db: %v", err)
+		return err
+	}
+
+	// Verify
+	if fi, err := os.Stat(dbPath); err != nil {
+		log.Printf("[createProject] WARNING: db not found after creation: %v", err)
+	} else {
+		log.Printf("[createProject] OK: db created, size=%d bytes", fi.Size())
+	}
+
+	return nil
+}
+
+// deleteProject removes a project directory and its operations.db.
+func deleteProject(projectsDir, name string) error {
+	dir := filepath.Join(projectsDir, name)
+	log.Printf("[deleteProject] removing: %s", dir)
+	return os.RemoveAll(dir)
+}