Changed everything to MVC

cmd/control/markdown.go

@@ -0,0 +1,35 @@
+package control
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/microcosm-cc/bluemonday"
+	"github.com/yuin/goldmark"
+)
+
+func ConvertToHTML(md string) (string, error) {
+	var buf bytes.Buffer
+
+	if err := goldmark.Convert([]byte(md), &buf); err != nil {
+		return "", fmt.Errorf("error converting markdown to html: %v", err)
+	}
+
+	p := bluemonday.UGCPolicy()
+	html := p.Sanitize(buf.String())
+
+	return html, nil
+}
+
+func ConvertToPlain(md string) (string, error) {
+	var buf bytes.Buffer
+
+	if err := goldmark.Convert([]byte(md), &buf); err != nil {
+		return "", fmt.Errorf("error converting markdown to html: %v", err)
+	}
+
+	p := bluemonday.StrictPolicy()
+	plain := p.Sanitize(buf.String())
+
+	return plain, nil
+}

cmd/control/rss.go

@@ -0,0 +1,50 @@
+package control
+
+import (
+	"fmt"
+	"time"
+
+	"git.streifling.com/jason/rss"
+	"streifling.com/jason/cpolis/cmd/data"
+)
+
+func GetChannel(db *data.DB, title, link, desc string) (*rss.Channel, error) {
+	channel := &rss.Channel{
+		Title:       title,
+		Link:        link,
+		Description: desc,
+		Items:       make([]*rss.Item, 0),
+	}
+
+	articles, err := db.GetCertainArticles(true)
+	if err != nil {
+		return nil, fmt.Errorf("error fetching published articles: %v", err)
+	}
+
+	for _, article := range articles {
+		tags, err := db.GetArticleTags(article.ID)
+		if err != nil {
+			return nil, fmt.Errorf("error fetching tags for article %v: %v", article.Title, err)
+		}
+		tagNames := make([]string, 0)
+		for _, tag := range tags {
+			tagNames = append(tagNames, tag.Name)
+		}
+
+		user, err := db.GetUser(article.AuthorID)
+		if err != nil {
+			return nil, fmt.Errorf("error finding user %v: %v", article.AuthorID, err)
+		}
+
+		channel.Items = append(channel.Items, &rss.Item{
+			Title:       article.Title,
+			Author:      user.FirstName + user.LastName,
+			PubDate:     article.Created.Format(time.RFC1123Z),
+			Description: article.Desc,
+			Content:     &rss.Content{Value: article.Content},
+			Categories:  tagNames,
+		})
+	}
+
+	return channel, nil
+}

cmd/control/sessions.go

@@ -0,0 +1,61 @@
+package control
+
+import (
+	"crypto/rand"
+	"encoding/gob"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/gorilla/sessions"
+)
+
+type CookieStore struct {
+	sessions.CookieStore
+}
+
+func NewKey() ([]byte, error) {
+	key := make([]byte, 32)
+
+	if _, err := io.ReadFull(rand.Reader, key); err != nil {
+		return nil, fmt.Errorf("error generating key: %v", err)
+	}
+
+	return key, nil
+}
+
+func SaveKey(key []byte, filename string) error {
+	file, err := os.Create(filename)
+	if err != nil {
+		return fmt.Errorf("error creating key file: %v", err)
+	}
+	defer file.Close()
+	file.Chmod(0600)
+
+	if err = gob.NewEncoder(file).Encode(key); err != nil {
+		return fmt.Errorf("error ecoding key: %v", err)
+	}
+
+	return nil
+}
+
+func LoadKey(filename string) ([]byte, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, fmt.Errorf("error opening key file: %v", err)
+	}
+
+	key := make([]byte, 32)
+	if err = gob.NewDecoder(file).Decode(&key); err != nil {
+		return nil, fmt.Errorf("error decoding key: %v", err)
+	}
+
+	return key, nil
+}
+
+func NewCookieStore(key []byte) *CookieStore {
+	store := sessions.NewCookieStore(key)
+	store.Options.Secure = true
+	store.Options.HttpOnly = true
+	return &CookieStore{*store}
+}