project management feature (#15)

Reviewed-on: #15

app.go

@@ -3,6 +3,21 @@ package main
 import (
 	"context"
 	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/wailsapp/wails/v2/pkg/runtime"
+
+	"gopkg.in/yaml.v2"
+)
+
+const (
+	projectsDirectory = "projects"        // The directory were are stored all the projects
+	avatarsDirectory  = "frontend/public" // The directory were are stored all the avatars
+	projectExtension  = ".dmxproj"        // The extension of a DMX Connect project
 )
 
 // App struct
@@ -21,7 +36,147 @@ func (a *App) startup(ctx context.Context) {
 	a.ctx = ctx
 }
 
-// Greet returns a greeting for the given name
-func (a *App) Greet(name string) string {
-	return fmt.Sprintf("Hello %s, It's show time!", name)
+// GetProjects gets all the projects in the projects directory
+func (a *App) GetProjects() ([]ProjectInfo, error) {
+	projects := []ProjectInfo{}
+
+	f, err := os.Open(projectsDirectory)
+	if err != nil {
+		log.Fatalf("Unable to open the projects directory: %v", err)
+		return nil, err
+	}
+
+	files, err := f.Readdir(0)
+	if err != nil {
+		log.Fatalf("Unable to read the projects directory: %v", err)
+		return nil, err
+	}
+
+	for _, fileInfo := range files {
+		// Open the file and get the show name
+		fileData, err := os.ReadFile(filepath.Join(projectsDirectory, fileInfo.Name()))
+		if err == nil {
+			projectObject := ProjectInfo{}
+			err = yaml.Unmarshal(fileData, &projectObject)
+			if err == nil {
+				// Add the SaveFile property
+				projectObject.ShowInfo.SaveFile = fileInfo.Name()
+				projects = append(projects, projectObject)
+			}
+		}
+	}
+	return projects, nil
+}
+
+// GetProjectInfo returns the information of the saved project
+func (a *App) GetProjectInfo(projectFile string) (ShowInfo, error) {
+	projectPath := filepath.Join(projectsDirectory, projectFile)
+	content, err := os.ReadFile(projectPath)
+	if err != nil {
+		log.Fatalf("Unable to read the project file: %v", err)
+		return ShowInfo{}, err
+	}
+
+	projectInfo := ProjectInfo{}
+
+	err = yaml.Unmarshal(content, &projectInfo)
+	if err != nil {
+		log.Fatalf("Unable to get the project information: %v", err)
+		return ShowInfo{}, err
+	}
+	projectInfo.ShowInfo.SaveFile = projectFile
+	return projectInfo.ShowInfo, nil
+}
+
+// ChooseAvatarPath opens a filedialog to choose the show avatar
+func (a *App) ChooseAvatarPath() (string, error) {
+	// Open the file dialog box
+	filePath, err := runtime.OpenFileDialog(a.ctx, runtime.OpenDialogOptions{
+		Title: "Choose your show avatar",
+		Filters: []runtime.FileFilter{
+			{
+				DisplayName: "Images",
+				Pattern:     "*.png;*.jpg;*.jpeg",
+			},
+		},
+	})
+	if err != nil {
+		return "", err
+	}
+	// Copy the avatar to the application avatars path
+	avatarPath := filepath.Join(avatarsDirectory, filepath.Base(filePath))
+	_, err = copy(filePath, avatarPath)
+	if err != nil {
+		return "", err
+	}
+	return filepath.Base(filePath), nil
+}
+
+// SaveProject saves the project
+func (a *App) SaveProject(showInfo ShowInfo) (string, error) {
+	log.Printf("Saving the project %s to %s", showInfo.Name, showInfo.SaveFile)
+	// If there is no save file, create a new one with the show name
+	if showInfo.SaveFile == "" {
+		showInfo.SaveFile = fmt.Sprintf("%s%s", formatString(showInfo.Name), projectExtension)
+	}
+	project := ProjectInfo{}
+	log.Printf("The number of universes: %d", showInfo.UniversesNumber)
+	project.ShowInfo = showInfo
+	data, err := yaml.Marshal(project)
+	if err != nil {
+		return "", err
+	}
+	err = os.WriteFile(filepath.Join(projectsDirectory, showInfo.SaveFile), data, os.ModePerm)
+	if err != nil {
+		return "", err
+	}
+	return showInfo.SaveFile, nil
+}
+
+// ShowInfo defines the information of the show
+type ShowInfo struct {
+	Name            string `yaml:"name"`
+	Date            string `yaml:"date"`
+	UniversesNumber int    `yaml:"universesNumber"`
+	Avatar          string `yaml:"avatar"`
+	Comments        string `yaml:"comments"`
+	SaveFile        string `yaml:"-"`
+}
+
+// ProjectInfo defines all the information for a lighting project
+type ProjectInfo struct {
+	ShowInfo ShowInfo `yaml:"show"` // Show information
+}
+
+func formatString(input string) string {
+	// Convertir en minuscules
+	lowerCaseString := strings.ToLower(input)
+	// Remplacer les espaces par des underscores
+	formattedString := strings.ReplaceAll(lowerCaseString, " ", "_")
+	return formattedString
+}
+
+func copy(src, dst string) (int64, error) {
+	sourceFileStat, err := os.Stat(src)
+	if err != nil {
+		return 0, err
+	}
+
+	if !sourceFileStat.Mode().IsRegular() {
+		return 0, fmt.Errorf("%s is not a regular file", src)
+	}
+
+	source, err := os.Open(src)
+	if err != nil {
+		return 0, err
+	}
+	defer source.Close()
+
+	destination, err := os.Create(dst)
+	if err != nil {
+		return 0, err
+	}
+	defer destination.Close()
+	nBytes, err := io.Copy(destination, source)
+	return nBytes, err
 }