Refactor app context setup and move API fetch logic to PostService

internal/helpers/SetupAppContext.go

@@ -0,0 +1,44 @@
+package helpers
+
+import (
+	"CatsOfMastodonBotGo/internal"
+	"CatsOfMastodonBotGo/internal/services"
+	"os"
+
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+func SetupAppContext() *internal.AppContext {
+	// Setup AppContext
+	instance := os.Getenv("INSTANCE")
+	if instance == "" {
+		instance = "https://haminoa.net"
+	}
+	tag := os.Getenv("TAG")
+	if tag == "" {
+		tag = "catsofmastodon"
+	}
+
+
+	// Setup database
+	db, err := gorm.Open(sqlite.Open("test.db"), &gorm.Config{Logger: logger.Default.LogMode(logger.Warn)})
+	if err != nil {
+		panic("failed to connect database")
+	}
+	AddMigrations(db)
+
+	//Setup PostService
+	var postService = services.NewPostService(db)
+
+	// Inititlize AppContext
+	var appContext = &internal.AppContext{
+		Db: db,
+		PostService: postService,
+		Instance: instance,
+		Tag: tag,
+	}
+	return appContext
+	
+}