adding dboverview route, fixing add new location and add new room

handlers_other.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 
+	"github.com/asdine/storm/v3"
 	"github.com/gofiber/fiber/v2"
 )
 
@@ -20,3 +21,63 @@ func (s *Server) SearchAllHandler(c *fiber.Ctx) error {
 
 	return c.Status(fiber.StatusOK).JSON(results)
 }
+
+// GetDatabaseOverview manually queries the DB to get some details about the database
+func (s *Server) GetDatabaseOverview(c *fiber.Ctx) error {
+
+	locations := []Location{}
+	err := s.Database.AllByIndex("ID", &locations, storm.Reverse())
+	if err != nil {
+		s.Log.Error().Msgf("Failed to get last added location: %s ", err)
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("Database failure fetching last location! error: %s", err))
+	}
+	var lastAddedLocation *Location
+	if len(locations) > 0 {
+		lastAddedLocation = &locations[0]
+	}
+
+	rooms := []Room{}
+	err = s.Database.AllByIndex("ID", &rooms, storm.Reverse())
+	if err != nil {
+		s.Log.Error().Msgf("Failed to get all rooms: %s ", err)
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("Database failure fetching all rooms! error: %s", err))
+	}
+	var lastAddedRoom *Room
+	if len(rooms) > 0 {
+		lastAddedRoom = &rooms[0]
+	}
+
+	cabinets := []Cabinet{}
+	err = s.Database.AllByIndex("ID", &cabinets, storm.Reverse())
+	if err != nil {
+		s.Log.Error().Msgf("Failed to get all cabinets by ID: %s ", err)
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("Database failure fetching all cabinets! error: %s", err))
+	}
+	var lastAddedCabinet *Cabinet
+	if len(cabinets) > 0 {
+		lastAddedCabinet = &cabinets[0]
+	}
+
+	items := []Item{}
+	err = s.Database.AllByIndex("ID", &items, storm.Reverse())
+	if err != nil {
+		s.Log.Error().Msgf("Failed to get all items by ID: %s ", err)
+		return c.Status(fiber.StatusInternalServerError).SendString(fmt.Sprintf("Database failure fetching all items! error: %s", err))
+	}
+	var lastAddedItem *Item
+	if len(items) > 0 {
+		lastAddedItem = &items[0]
+	}
+
+	dbOverview := DatabaseOverview{
+		NumLocations:      len(locations),
+		LastAddedLocation: lastAddedLocation,
+		NumRooms:          len(rooms),
+		LastAddedRoom:     lastAddedRoom,
+		NumCabinets:       len(cabinets),
+		LastAddedCabinet:  lastAddedCabinet,
+		NumItems:          len(items),
+		LastAddedItem:     lastAddedItem,
+	}
+	return c.Status(fiber.StatusOK).JSON(dbOverview)
+}