package main

import (
	"os"
	"stream-poc2/model"

	"github.com/gin-gonic/gin"
)

func mediaMustExists(ctx *gin.Context) {
	id := ctx.Param("id")
	metadata, err := loadMediaMetadata(id)
	if err != nil {
		if os.IsNotExist(err) {
			ctx.AbortWithStatus(404)
			return
		}
		ctx.AbortWithStatus(500)
		return
	}

	ctx.Set("m", metadata)
	ctx.Set("mid", id)
}

func getMetadata(ctx *gin.Context) (string, model.MediaMetadata) {
	m, ok := ctx.Get("m")
	if !ok {
		panic("failed to load key for media metadata")
	}
	mid, ok := ctx.Get("mid")
	if !ok {
		panic("failed to load key for media id")
	}
	return mid.(string), m.(model.MediaMetadata)
}