home_handler.go

package main

import (
	"bytes"
	"fmt"
	"html/template"
	"log"
	"net/http"

	"github.com/ABuarque/i2m/db"
	"github.com/labstack/echo"
)

func homeHandler(client *db.Client) echo.HandlerFunc {
	return func(c echo.Context) error {
		p, err := client.GetPosts()
		if err != nil {
			log.Println(fmt.Sprintf("failed to retrieve files from db with error %q", err))
			return c.HTML(http.StatusOK, "<h1>Error</h1>")
		}
		var shortPosts []shortPost
		for _, post := range p {
			shortPosts = append(shortPosts, shortPost{
				Title:       post.Title,
				Date:        post.Date,
				Description: post.Info,
				Link:        post.Link,
			})
		}
		sps := struct {
			Posts []shortPost
		}{
			shortPosts,
		}
		tmpl := template.Must(template.ParseFiles("templates/home.html"))
		var html bytes.Buffer
		err = tmpl.Execute(&html, sps)
		if err != nil {
			return c.HTML(http.StatusOK, "<h1>Error</h1>")
		}
		return c.HTML(http.StatusOK, string(html.Bytes()))
	}
}