ch4.8

cmd/web/handlers.go

@@ -3,7 +3,6 @@ package main
 import (
 	"errors"
 	"fmt"
-	"html/template"
 	"net/http"
 	"strconv"
 
@@ -15,20 +14,29 @@ func (app *application) home(w http.ResponseWriter, r *http.Request) {
 		app.notFound(w)
 		return
 	}
-	files := []string{
+
-		"./ui/html/base.tmpl",
+	snippets, err := app.snippets.Latest()
-		"./ui/html/partials/nav.tmpl",
-		"./ui/html/pages/home.tmpl",
-	}
-	ts, err := template.ParseFiles(files...)
 	if err != nil {
 		app.serverError(w, err)
 		return
 	}
-	err = ts.ExecuteTemplate(w, "base", nil)
+	for _, snippet := range snippets {
-	if err != nil {
+		fmt.Fprintf(w, "%+v\n", snippet)
-		app.serverError(w, err)
 	}
+	// files := []string{
+	// 	"./ui/html/base.tmpl",
+	// 	"./ui/html/partials/nav.tmpl",
+	// 	"./ui/html/pages/home.tmpl",
+	// }
+	// ts, err := template.ParseFiles(files...)
+	// if err != nil {
+	// 	app.serverError(w, err)
+	// 	return
+	// }
+	// err = ts.ExecuteTemplate(w, "base", nil)
+	// if err != nil {
+	// 	app.serverError(w, err)
+	// }
 }
 
 func (app *application) snippetView(w http.ResponseWriter, r *http.Request) {

internal/models/snippets.go

@@ -50,5 +50,25 @@ func (m *SnippetModel) Get(id int) (*Snippet, error) {
 }
 
 func (m *SnippetModel) Latest() ([]*Snippet, error) {
-	return nil, nil
+	stmt := `SELECT id, title, content, created, expires FROM snippets
+	WHERE expires > UTC_TIMESTAMP() ORDER BY id DESC LIMIT 10`
+
+	rows, err := m.DB.Query(stmt)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	snippets := []*Snippet{}
+	for rows.Next() {
+		s := &Snippet{}
+		err = rows.Scan(&s.ID, &s.Title, &s.Content, &s.Created, &s.Expires)
+		if err != nil {
+			return nil, err
+		}
+		snippets = append(snippets, s)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return snippets, nil
 }