Add db and types

.air.toml

@@ -0,0 +1,51 @@
+root = "."
+testdata_dir = "testdata"
+tmp_dir = "tmp"
+
+[build]
+  args_bin = []
+  bin = "tmp\\main.exe"
+  cmd = "clear && go run ."
+  delay = 1000
+  exclude_dir = ["assets", "tmp", "vendor", "testdata"]
+  exclude_file = []
+  exclude_regex = ["_test.go"]
+  exclude_unchanged = false
+  follow_symlink = false
+  full_bin = ""
+  include_dir = []
+  include_ext = ["go", "tpl", "tmpl", "html"]
+  include_file = []
+  kill_delay = "0s"
+  log = "build-errors.log"
+  poll = false
+  poll_interval = 0
+  post_cmd = []
+  pre_cmd = []
+  rerun = false
+  rerun_delay = 500
+  send_interrupt = false
+  stop_on_error = false
+
+[color]
+  app = ""
+  build = "yellow"
+  main = "magenta"
+  runner = "green"
+  watcher = "cyan"
+
+[log]
+  main_only = false
+  time = false
+
+[misc]
+  clean_on_exit = false
+
+[proxy]
+  app_port = 0
+  enabled = false
+  proxy_port = 0
+
+[screen]
+  clear_on_rebuild = false
+  keep_scroll = true

.gitignore

@@ -1,3 +1,5 @@
 build/bin
 node_modules
 frontend/dist
+tmp
+food.db

db.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"time"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+type DB struct {
+	path      string
+	readConn  *sql.DB
+	writeConn *sql.DB
+}
+
+func (db *DB) Open() error {
+	if db.path == "" {
+		return fmt.Errorf("database path not set")
+	}
+
+	writeConn, err := sql.Open("sqlite3", db.path+"?_journal=WAL&_synchronous=NORMAL")
+	if err != nil {
+		Error.Printf("%++v", err)
+		return err
+	}
+	writeConn.SetMaxOpenConns(1)
+	writeConn.SetConnMaxIdleTime(30 * time.Second)
+	writeConn.SetConnMaxLifetime(30 * time.Second)
+	db.writeConn = writeConn
+
+	readConn, err := sql.Open("sqlite3", db.path+"?mode=ro&_journal=WAL&_synchronous=NORMAL&_mode=ro")
+	if err != nil {
+		Error.Printf("%++v", err)
+		return err
+	}
+	readConn.SetMaxOpenConns(4)
+	readConn.SetConnMaxIdleTime(30 * time.Second)
+	readConn.SetConnMaxLifetime(30 * time.Second)
+	db.readConn = readConn
+
+	return nil
+}
+
+func (db *DB) Close() error {
+	err := db.writeConn.Close()
+	if err != nil {
+		return err
+	}
+
+	err = db.readConn.Close()
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

go.mod

@@ -4,7 +4,10 @@ go 1.21
 
 toolchain go1.22.4
 
-require github.com/wailsapp/wails/v2 v2.9.1
+require (
+	github.com/mattn/go-sqlite3 v1.14.22
+	github.com/wailsapp/wails/v2 v2.9.1
+)
 
 require (
 	github.com/bep/debounce v1.2.1 // indirect

go.sum

@@ -35,6 +35,8 @@ github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27k
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
+github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 h1:KoWmjvw+nsYOo29YJK9vDA65RGE3NrOnUtO7a+RF9HU=
 github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8/go.mod h1:HKlIX3XHQyzLZPlr7++PzdhaXEj94dEiJgZDTsxEqUI=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=

main.go

@@ -2,6 +2,12 @@ package main
 
 import (
 	"embed"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"sync"
 
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
@@ -11,12 +17,44 @@ import (
 //go:embed all:frontend/dist
 var assets embed.FS
 
+var Error *log.Logger
+func init() {
+	log.SetFlags(log.Lmicroseconds | log.Lshortfile)
+	logFile, err := os.Create("main.log")
+	if err != nil {
+		log.Printf("Error creating log file: %v", err)
+		os.Exit(1)
+	}
+	logger := io.MultiWriter(os.Stdout, logFile)
+	log.SetOutput(logger)
+
+	Error = log.New(io.MultiWriter(logFile, os.Stderr, os.Stdout),
+		fmt.Sprintf("%sERROR:%s ", "\033[0;101m", "\033[0m"),
+		log.Lmicroseconds|log.Lshortfile)
+}
+
 func main() {
+	var wg sync.WaitGroup
+	wg.Add(1)
+	
+	dbpath := flag.String("db", "food.db", "Path to the database file")
+	flag.Parse()
+
+	db := DB{path: *dbpath}
+	err := db.Open()
+	if err != nil {
+		Error.Printf("%++v", err)
+		os.Exit(1)
+	}
+
+	log.Println("done")
+	wg.Wait()
+
 	// Create an instance of the app structure
 	app := NewApp()
 
 	// Create application with options
-	err := wails.Run(&options.App{
+	err = wails.Run(&options.App{
 		Title:  "calorie-counter",
 		Width:  1024,
 		Height: 768,

main.log

@@ -0,0 +1 @@
+15:05:28.134465 main.go:50: done

types.go

@@ -0,0 +1,35 @@
+package main
+
+import "time"
+
+type (
+	Setting struct {
+		key   string
+		value string
+	}
+
+	Food struct {
+		rowid      int
+		date       time.Time
+		food       string
+		descripton string
+		amount     float32
+		per100     float32
+		energy     float32
+	}
+	AggregatedFood struct {
+		period    string
+		amount    float32
+		avgPer100 float32
+		energy    float32
+	}
+	Weight struct {
+		rowid  int
+		date   time.Time
+		weight float32
+	}
+	AggregatedWeight struct {
+		period string
+		amount float32
+	}
+)