implemented basic program structure

internal/cli/cache.go

@@ -0,0 +1,8 @@
+package cli
+
+import "log"
+
+func Cache() error {
+	log.Println("running cache")
+	return nil
+}

internal/cli/cli.go

@@ -0,0 +1,59 @@
+package cli
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+type ProgramFunction func() error
+type Program struct {
+	Name        string
+	Function    ProgramFunction
+	Description string
+}
+
+var HelpHeader = `Meow
+Ze
+Dong`
+var Programs = []Program{
+	{
+		Name:        "help",
+		Function:    Help,
+		Description: "get more information on how the cli or a program works",
+	},
+	{
+		Name:        "start",
+		Function:    Start,
+		Description: "start the webserver",
+	},
+	{
+		Name:        "cache",
+		Function:    Cache,
+		Description: "do something with the cache",
+	},
+}
+
+func Cli() {
+	fmt.Println("running transfem startpage")
+
+	programName := "help"
+	if len(os.Args) > 1 {
+		programName = os.Args[1]
+	}
+
+	log.Println("running program", programName)
+
+	var selectedProgram *Program = nil
+	for i, p := range Programs {
+		if p.Name == programName {
+			selectedProgram = &Programs[i]
+			break
+		}
+	}
+	if selectedProgram == nil {
+		log.Panicln("couldn't find program", programName, ". EXITING")
+	}
+
+	selectedProgram.Function()
+}

internal/cli/help.go

@@ -0,0 +1,8 @@
+package cli
+
+import "log"
+
+func Help() error {
+	log.Println("running help")
+	return nil
+}

internal/cli/start.go

@@ -0,0 +1,8 @@
+package cli
+
+import "log"
+
+func Start() error {
+	log.Println("starting server")
+	return nil
+}