Initial sessions implementation

cmd/control/rss.go

@@ -1,50 +0,0 @@
-package control
-
-import (
-	"fmt"
-	"time"
-
-	"git.streifling.com/jason/rss"
-	"streifling.com/jason/cpolis/cmd/model"
-)
-
-func GetChannel(db *model.DB, title, link, description string) (*rss.Channel, error) {
-	channel := &rss.Channel{
-		Title:       title,
-		Link:        link,
-		Description: description,
-		Items:       make([]*rss.Item, 0),
-	}
-
-	articles, err := db.GetCertainArticles(true, false)
-	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.Description,
-			Content:     &rss.Content{Value: article.Content},
-			Categories:  tagNames,
-		})
-	}
-
-	return channel, nil
-}

cmd/data/articles.go

@@ -0,0 +1,89 @@
+package data
+
+import (
+	"sync"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type Article struct {
+	Title    string
+	Author   string
+	Created  time.Time
+	Desc     string
+	Content  string
+	Tags     []string
+	UUID     uuid.UUID
+	AuthorID int64
+}
+
+type ArticleList struct {
+	addCh chan *Article
+	delCh chan uuid.UUID
+	retCh chan *Article
+	getCh chan []Article
+	list  []*Article
+	wg    sync.WaitGroup
+}
+
+func minArticleList() *ArticleList {
+	return &ArticleList{
+		addCh: make(chan *Article),
+		delCh: make(chan uuid.UUID),
+		retCh: make(chan *Article),
+		getCh: make(chan []Article),
+	}
+}
+
+func (l *ArticleList) start() {
+	l.wg.Done()
+	for {
+		select {
+		case article := <-l.addCh:
+			l.list = append(l.list, article)
+		case uuid := <-l.delCh:
+			for i, article := range l.list {
+				if article.UUID == uuid {
+					l.list = append(l.list[:i], l.list[i+1:]...)
+					l.retCh <- article
+				}
+			}
+		case l.getCh <- func() []Article {
+			var list []Article
+			for _, article := range l.list {
+				list = append(list, *article)
+			}
+			return list
+		}():
+		}
+	}
+}
+
+func NewArticleList() *ArticleList {
+	list := minArticleList()
+	list.list = []*Article{}
+
+	list.wg.Add(1)
+	go list.start()
+	list.wg.Wait()
+
+	return list
+}
+
+func (l *ArticleList) Add(a *Article) {
+	l.addCh <- a
+}
+
+func (l *ArticleList) Release(uuid uuid.UUID) (*Article, bool) {
+	l.delCh <- uuid
+	article := <-l.retCh
+	if article == nil {
+		return nil, false
+	}
+	return article, true
+}
+
+func (l *ArticleList) Get() []Article {
+	return <-l.getCh
+}

cmd/data/db.go

@@ -0,0 +1,143 @@
+package data
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/go-sql-driver/mysql"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type DB struct {
+	*sql.DB
+}
+
+func OpenDB(dbName string) (*DB, error) {
+	var err error
+	db := DB{DB: &sql.DB{}}
+
+	cfg := mysql.NewConfig()
+	cfg.DBName = dbName
+	cfg.User, cfg.Passwd, err = getCredentials()
+	if err != nil {
+		return nil, fmt.Errorf("error reading user credentials for DB: %v", err)
+	}
+
+	db.DB, err = sql.Open("mysql", cfg.FormatDSN())
+	if err != nil {
+		return nil, fmt.Errorf("error opening DB: %v", err)
+	}
+	if err = db.Ping(); err != nil {
+		return nil, fmt.Errorf("error pinging DB: %v", err)
+	}
+
+	return &db, nil
+}
+
+func (db *DB) AddUser(user User, pass string) error {
+	hashedPass, err := bcrypt.GenerateFromPassword([]byte(pass), bcrypt.DefaultCost)
+	if err != nil {
+		return fmt.Errorf("error creating password hash: %v", err)
+	}
+
+	query := `
+    INSERT INTO users
+        (username, password, first_name, last_name, role)
+    VALUES (?, ?, ?, ?, ?)
+    `
+	_, err = db.Exec(query, user.UserName, string(hashedPass), user.FirstName, user.LastName, user.Role)
+	if err != nil {
+		return fmt.Errorf("error inserting user into DB: %v", err)
+	}
+
+	return nil
+}
+
+func (db *DB) GetID(userName string) (int64, error) {
+	var id int64
+
+	query := `
+    SELECT id
+    FROM users
+    WHERE username = ?
+    `
+	row := db.QueryRow(query, userName)
+	if err := row.Scan(&id); err != nil {
+		return 0, fmt.Errorf("user not in DB: %v", err)
+	}
+
+	return id, nil
+}
+
+func (db *DB) CheckPassword(id int64, pass string) error {
+	var queriedPass string
+
+	query := `
+    SELECT password
+    FROM users
+    WHERE id = ?
+    `
+	row := db.QueryRow(query, id)
+	if err := row.Scan(&queriedPass); err != nil {
+		return fmt.Errorf("error reading password from DB: %v", err)
+	}
+
+	if err := bcrypt.CompareHashAndPassword([]byte(queriedPass), []byte(pass)); err != nil {
+		return fmt.Errorf("incorrect password: %v", err)
+	}
+
+	return nil
+}
+
+func (db *DB) ChangePassword(id int64, oldPass, newPass string) error {
+	if err := db.CheckPassword(id, oldPass); err != nil {
+		return fmt.Errorf("error checking password: %v", err)
+	}
+
+	newHashedPass, err := bcrypt.GenerateFromPassword([]byte(newPass), bcrypt.DefaultCost)
+	if err != nil {
+		return fmt.Errorf("error creating password hash: %v", err)
+	}
+
+	query := `
+    UPDATE users
+    SET password = ?
+    WHERE id = ?
+    `
+	_, err = db.Exec(query, string(newHashedPass), id)
+	if err != nil {
+		return fmt.Errorf("error updating password in DB: %v", err)
+	}
+
+	return nil
+}
+
+func (db *DB) CountEntries() (int64, error) {
+	var count int64
+
+	query := `SELECT COUNT(*) FROM users`
+	row := db.QueryRow(query)
+	if err := row.Scan(&count); err != nil {
+		return 0, fmt.Errorf("error counting rows in user DB: %v", err)
+	}
+
+	return count, nil
+}
+
+// TODO: No need for ID field in general
+func (db *DB) GetUser(id int64) (*User, error) {
+	user := new(User)
+	query := `
+    SELECT id, username, first_name, last_name, role
+    FROM users
+    WHERE id = ?
+    `
+
+	row := db.QueryRow(query, id)
+	if err := row.Scan(&user.ID, &user.UserName, &user.FirstName,
+		&user.LastName, &user.Role); err != nil {
+		return nil, fmt.Errorf("error reading user information: %v", err)
+	}
+
+	return user, nil
+}

cmd/data/helpers.go

@@ -0,0 +1,52 @@
+package data
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+	"syscall"
+
+	"golang.org/x/term"
+)
+
+func getUsername() (string, error) {
+	user := os.Getenv("DB_USER")
+	if user == "" {
+		var err error
+		fmt.Printf("DB Benutzer: ")
+		user, err = bufio.NewReader(os.Stdin).ReadString('\n')
+		if err != nil {
+			return "", fmt.Errorf("error reading username: %v", err)
+		}
+	}
+	return strings.TrimSpace(user), nil
+}
+
+func getPassword() (string, error) {
+	pass := os.Getenv("DB_PASS")
+	if pass == "" {
+		fmt.Printf("DB Passwort: ")
+		bytePass, err := term.ReadPassword(int(syscall.Stdin))
+		if err != nil {
+			return "", fmt.Errorf("error reading password: %v", err)
+		}
+		fmt.Println()
+		pass = strings.TrimSpace(string(bytePass))
+	}
+	return pass, nil
+}
+
+func getCredentials() (string, string, error) {
+	user, err := getUsername()
+	if err != nil {
+		return "", "", fmt.Errorf("error getting username: %v", err)
+	}
+
+	pass, err := getPassword()
+	if err != nil {
+		return "", "", fmt.Errorf("error getting password: %v", err)
+	}
+
+	return user, pass, nil
+}

cmd/data/markdown.go

@@ -1,4 +1,4 @@
-package control
+package data
 
 import (
 	"bytes"

cmd/data/rss.go

@@ -0,0 +1,106 @@
+package data
+
+import (
+	"encoding/gob"
+	"fmt"
+	"os"
+	"sync"
+
+	"github.com/gorilla/feeds"
+)
+
+type Feed struct {
+	addCh chan *feeds.Item
+	setCh chan feeds.Feed
+	getCh chan feeds.Feed
+	feed  feeds.Feed
+	wg    sync.WaitGroup
+}
+
+func minFeed() *Feed {
+	return &Feed{
+		addCh: make(chan *feeds.Item),
+		setCh: make(chan feeds.Feed),
+		getCh: make(chan feeds.Feed),
+	}
+}
+
+func (f *Feed) start() {
+	f.wg.Done()
+	for {
+		select {
+		case item := <-f.addCh:
+			f.feed.Items = append(f.feed.Items, item)
+		case f.getCh <- f.feed:
+		case f.feed = <-f.setCh:
+		}
+	}
+}
+
+func NewFeed(title, link, desc string) *Feed {
+	feed := minFeed()
+	feed.feed = feeds.Feed{
+		Title:       title,
+		Link:        &feeds.Link{Href: link},
+		Description: desc,
+	}
+
+	feed.wg.Add(1)
+	go feed.start()
+	feed.wg.Wait()
+
+	return feed
+}
+
+func (f *Feed) Get() feeds.Feed {
+	return <-f.getCh
+}
+
+func (f *Feed) Set(feed feeds.Feed) {
+	f.setCh <- feed
+}
+
+func OpenFeed(filename string) (*Feed, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, fmt.Errorf("error opening file %v: %v", filename, err)
+	}
+	defer file.Close()
+
+	feed := minFeed()
+	feed.wg.Add(1)
+	go feed.start()
+	feed.wg.Wait()
+
+	decoder := gob.NewDecoder(file)
+	tmpFeed := new(feeds.Feed)
+	err = decoder.Decode(tmpFeed)
+	if err != nil {
+		return nil, fmt.Errorf("error decoding file %v: %v", filename, err)
+	}
+
+	feed.Set(*tmpFeed)
+
+	return feed, nil
+}
+
+func (f *Feed) Save(filename string) error {
+	file, err := os.Create(filename)
+	if err != nil {
+		return fmt.Errorf("error creating file %v: %v", filename, err)
+	}
+	defer file.Close()
+
+	encoder := gob.NewEncoder(file)
+	feed := f.Get()
+	err = encoder.Encode(feed)
+	if err != nil {
+		return fmt.Errorf("error encoding file %v: %v", filename, err)
+	}
+
+	return nil
+}
+
+func (f *Feed) Add(i *feeds.Item) {
+	f.addCh <- i
+}

cmd/data/sessions.go

@@ -1,4 +1,4 @@
-package control
+package data
 
 import (
 	"crypto/rand"
@@ -17,7 +17,8 @@ type CookieStore struct {
 func NewKey() ([]byte, error) {
 	key := make([]byte, 32)
 
-	if _, err := io.ReadFull(rand.Reader, key); err != nil {
+	_, err := io.ReadFull(rand.Reader, key)
+	if err != nil {
 		return nil, fmt.Errorf("error generating key: %v", err)
 	}
 
@@ -32,7 +33,9 @@ func SaveKey(key []byte, filename string) error {
 	defer file.Close()
 	file.Chmod(0600)
 
-	if err = gob.NewEncoder(file).Encode(key); err != nil {
+	encoder := gob.NewEncoder(file)
+	err = encoder.Encode(key)
+	if err != nil {
 		return fmt.Errorf("error ecoding key: %v", err)
 	}
 
@@ -46,7 +49,9 @@ func LoadKey(filename string) ([]byte, error) {
 	}
 
 	key := make([]byte, 32)
-	if err = gob.NewDecoder(file).Decode(&key); err != nil {
+	decoder := gob.NewDecoder(file)
+	err = decoder.Decode(&key)
+	if err != nil {
 		return nil, fmt.Errorf("error decoding key: %v", err)
 	}
 

cmd/data/user.go

@@ -0,0 +1,16 @@
+package data
+
+const (
+	Admin = iota
+	Editor
+	Writer
+)
+
+type User struct {
+	UserName         string
+	FirstName        string
+	LastName         string
+	RejectedArticles []*Article
+	ID               int64
+	Role             int
+}

cmd/main.go

@@ -1,75 +0,0 @@
-package main
-
-import (
-	"encoding/gob"
-	"log"
-	"net/http"
-	"os"
-
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
-	"streifling.com/jason/cpolis/cmd/view"
-)
-
-func init() {
-	gob.Register(model.User{})
-}
-
-func main() {
-	logFile, err := os.OpenFile("tmp/cpolis.log",
-		os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
-	if err != nil {
-		log.Fatalln(err)
-	}
-	defer logFile.Close()
-	// log.SetOutput(logFile)
-
-	db, err := model.OpenDB("cpolis")
-	if err != nil {
-		log.Fatalln(err)
-	}
-	defer db.Close()
-
-	key, err := control.LoadKey("tmp/key.gob")
-	if err != nil {
-		key, err = control.NewKey()
-		if err != nil {
-			log.Fatalln(err)
-		}
-		control.SaveKey(key, "tmp/key.gob")
-	}
-	store := control.NewCookieStore(key)
-
-	mux := http.NewServeMux()
-	mux.Handle("/web/static/", http.StripPrefix("/web/static/",
-		http.FileServer(http.Dir("web/static/"))))
-	mux.HandleFunc("/", view.HomePage(db, store))
-
-	mux.HandleFunc("GET /create-tag/", view.CreateTag)
-	mux.HandleFunc("GET /create-user/", view.CreateUser)
-	mux.HandleFunc("GET /edit-user/", view.EditUser(db, store))
-	mux.HandleFunc("GET /hub/", view.ShowHub(db, store))
-	mux.HandleFunc("GET /logout/", view.Logout(store))
-	mux.HandleFunc("GET /rejected-articles/", view.ShowRejectedArticles(db, store))
-	mux.HandleFunc("GET /rss/", view.ShowRSS(
-		db,
-		"Freimaurer Distrikt Niedersachsen und Sachsen-Anhalt",
-		"https://distrikt-ni-st.de",
-		"Freiheit, Gleichheit, Brüderlichkeit, Toleranz und Humanität",
-	))
-	mux.HandleFunc("GET /unpublished-articles/", view.ShowUnpublishedArticles(db))
-	mux.HandleFunc("GET /write-article/", view.WriteArticle(db))
-
-	mux.HandleFunc("POST /add-tag/", view.AddTag(db, store))
-	mux.HandleFunc("POST /add-user/", view.AddUser(db, store))
-	mux.HandleFunc("POST /login/", view.Login(db, store))
-	mux.HandleFunc("POST /publish-article/", view.PublishArticle(db, store))
-	mux.HandleFunc("POST /reject-article/", view.RejectArticle(db, store))
-	mux.HandleFunc("POST /resubmit-article/", view.ResubmitArticle(db, store))
-	mux.HandleFunc("POST /review-rejected-article/", view.ReviewRejectedArticle(db, store))
-	mux.HandleFunc("POST /review-unpublished-article/", view.ReviewUnpublishedArticle(db, store))
-	mux.HandleFunc("POST /submit-article/", view.SubmitArticle(db, store))
-	mux.HandleFunc("POST /update-user/", view.UpdateUser(db, store))
-
-	log.Fatalln(http.ListenAndServe(":8080", mux))
-}

cmd/model/articles.go

@@ -1,97 +0,0 @@
-package model
-
-import (
-	"fmt"
-	"time"
-)
-
-type Article struct {
-	Title       string
-	Created     time.Time
-	Description string
-	Content     string
-	Published   bool
-	Rejected    bool
-	ID          int64
-	AuthorID    int64
-}
-
-func (db *DB) AddArticle(a *Article) (int64, error) {
-	query := `
-    INSERT INTO articles
-        (title, description, content, published, rejected, author_id)
-    VALUES (?, ?, ?, ?, ?, ?)
-    `
-
-	result, err := db.Exec(query, a.Title, a.Description, a.Content,
-		a.Published, a.Rejected, a.AuthorID)
-	if err != nil {
-		return 0, fmt.Errorf("error inserting article into DB: %v", err)
-	}
-	id, err := result.LastInsertId()
-	if err != nil {
-		return 0, fmt.Errorf("error retrieving last ID: %v", err)
-	}
-
-	return id, nil
-}
-
-func (db *DB) GetArticle(id int64) (*Article, error) {
-	query := `
-    SELECT title, created, description, content, published, author_id
-    FROM articles
-    WHERE id = ?
-    `
-	row := db.QueryRow(query, id)
-
-	article := new(Article)
-	var created []byte
-	var err error
-
-	if err := row.Scan(&article.Title, &created, &article.Description,
-		&article.Content, &article.Published, &article.AuthorID); err != nil {
-		return nil, fmt.Errorf("error scanning article row: %v", err)
-	}
-
-	article.ID = id
-	article.Created, err = time.Parse("2006-01-02 15:04:05", string(created))
-	if err != nil {
-		return nil, fmt.Errorf("error parsing created: %v", err)
-	}
-
-	return article, nil
-}
-
-func (db *DB) GetCertainArticles(published, rejected bool) ([]*Article, error) {
-	query := `
-    SELECT id, title, created, description, content, author_id
-    FROM articles
-    WHERE published = ?
-    AND rejected = ?
-    `
-	rows, err := db.Query(query, published, rejected)
-	if err != nil {
-		return nil, fmt.Errorf("error querying articles: %v", err)
-	}
-
-	articleList := make([]*Article, 0)
-	for rows.Next() {
-		article := new(Article)
-		var created []byte
-
-		if err = rows.Scan(&article.ID, &article.Title, &created, &article.Description,
-			&article.Content, &article.AuthorID); err != nil {
-			return nil, fmt.Errorf("error scanning article row: %v", err)
-		}
-
-		article.Published = false
-		article.Created, err = time.Parse("2006-01-02 15:04:05", string(created))
-		if err != nil {
-			return nil, fmt.Errorf("error parsing created: %v", err)
-		}
-
-		articleList = append(articleList, article)
-	}
-
-	return articleList, nil
-}

cmd/model/articles_tags.go

@@ -1,72 +0,0 @@
-package model
-
-import (
-	"fmt"
-	"log"
-	"math"
-	"math/rand/v2"
-	"time"
-)
-
-func (db *DB) WriteArticleTags(articleID int64, tagIDs []int64) error {
-	for i := 0; i < TxMaxRetries; i++ {
-		err := func() error {
-			tx, err := db.Begin()
-			if err != nil {
-				return fmt.Errorf("error starting transaction: %v", err)
-			}
-
-			for _, tagID := range tagIDs {
-				query := `
-                INSERT INTO articles_tags (article_id, tag_id)
-                VALUES (?, ?)
-                `
-				if _, err := tx.Exec(query, articleID, tagID); err != nil {
-					if rollbackErr := tx.Rollback(); rollbackErr != nil {
-						log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-					}
-					return fmt.Errorf("error inserting into articles_tags: %v", err)
-				}
-			}
-
-			if err = tx.Commit(); err != nil {
-				return fmt.Errorf("error committing transaction: %v", err)
-			}
-			return nil
-		}()
-		if err == nil {
-			return nil
-		}
-
-		log.Println(err)
-		waitTime := time.Duration(math.Pow(2, float64(i))) * time.Second
-		jitter := time.Duration(rand.IntN(1000)) * time.Millisecond
-		time.Sleep(waitTime + jitter)
-	}
-	return fmt.Errorf("error: %v unsuccessful retries for DB operation, aborting", TxMaxRetries)
-}
-
-func (db *DB) GetArticleTags(articleID int64) ([]*Tag, error) {
-	query := `
-    SELECT t.id, t.name
-    FROM articles a
-    INNER JOIN articles_tags at ON a.id = at.article_id
-    INNER JOIN tags t ON at.tag_id = t.id
-    WHERE a.id = ?
-    `
-	rows, err := db.Query(query, articleID)
-	if err != nil {
-		return nil, fmt.Errorf("error querying articles_tags: %v", err)
-	}
-
-	tags := make([]*Tag, 0)
-	for rows.Next() {
-		tag := new(Tag)
-		if err = rows.Scan(&tag.ID, &tag.Name); err != nil {
-			return nil, fmt.Errorf("error scanning rows: %v", err)
-		}
-		tags = append(tags, tag)
-	}
-
-	return tags, nil
-}

cmd/model/db.go

@@ -1,187 +0,0 @@
-package model
-
-import (
-	"bufio"
-	"database/sql"
-	"fmt"
-	"log"
-	"math"
-	"math/rand/v2"
-	"os"
-	"strings"
-	"syscall"
-	"time"
-
-	"github.com/go-sql-driver/mysql"
-	"golang.org/x/term"
-)
-
-var TxMaxRetries = 3
-
-type (
-	DB        struct{ *sql.DB }
-	Tx        struct{ *sql.Tx }
-	Attribute struct {
-		Value   interface{}
-		Table   string
-		AttName string
-		ID      int64
-	}
-)
-
-func getUsername() (string, error) {
-	user := os.Getenv("DB_USER")
-	if user == "" {
-		var err error
-		fmt.Printf("DB Benutzer: ")
-		user, err = bufio.NewReader(os.Stdin).ReadString('\n')
-		if err != nil {
-			return "", fmt.Errorf("error reading username: %v", err)
-		}
-	}
-	return strings.TrimSpace(user), nil
-}
-
-func getPassword() (string, error) {
-	pass := os.Getenv("DB_PASS")
-	if pass == "" {
-		fmt.Printf("DB Passwort: ")
-		bytePass, err := term.ReadPassword(int(syscall.Stdin))
-		if err != nil {
-			return "", fmt.Errorf("error reading password: %v", err)
-		}
-		fmt.Println()
-		pass = strings.TrimSpace(string(bytePass))
-	}
-	return pass, nil
-}
-
-func getCredentials() (string, string, error) {
-	user, err := getUsername()
-	if err != nil {
-		return "", "", fmt.Errorf("error getting username: %v", err)
-	}
-
-	pass, err := getPassword()
-	if err != nil {
-		return "", "", fmt.Errorf("error getting password: %v", err)
-	}
-
-	return user, pass, nil
-}
-
-func OpenDB(dbName string) (*DB, error) {
-	var err error
-	db := DB{DB: &sql.DB{}}
-
-	cfg := mysql.NewConfig()
-	cfg.DBName = dbName
-	cfg.User, cfg.Passwd, err = getCredentials()
-	if err != nil {
-		return nil, fmt.Errorf("error reading user credentials for DB: %v", err)
-	}
-
-	db.DB, err = sql.Open("mysql", cfg.FormatDSN())
-	if err != nil {
-		return nil, fmt.Errorf("error opening DB: %v", err)
-	}
-	if err = db.Ping(); err != nil {
-		return nil, fmt.Errorf("error pinging DB: %v", err)
-	}
-
-	return &db, nil
-}
-
-func (db *DB) UpdateAttributes(a ...*Attribute) error {
-	for i := 0; i < TxMaxRetries; i++ {
-		err := func() error {
-			tx, err := db.Begin()
-			if err != nil {
-				return fmt.Errorf("error starting transaction: %v", err)
-			}
-
-			for _, attribute := range a {
-				query := fmt.Sprintf(`
-                    UPDATE %s
-                    SET %s = ?
-                    WHERE id = ?
-                    `, attribute.Table, attribute.AttName)
-				if _, err := tx.Exec(query, attribute.Value, attribute.ID); err != nil {
-					if rollbackErr := tx.Rollback(); rollbackErr != nil {
-						log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-					}
-					return fmt.Errorf("error updating %v in DB: %v", attribute.AttName, err)
-				}
-			}
-
-			if err = tx.Commit(); err != nil {
-				return fmt.Errorf("error committing transaction: %v", err)
-			}
-			return nil
-		}()
-		if err == nil {
-			return nil
-		}
-
-		log.Println(err)
-		waitTime := time.Duration(math.Pow(2, float64(i))) * time.Second
-		jitter := time.Duration(rand.IntN(1000)) * time.Millisecond
-		time.Sleep(waitTime + jitter)
-	}
-	return fmt.Errorf("error: %v unsuccessful retries for DB operation, aborting", TxMaxRetries)
-}
-
-func (db *DB) CountEntries(table string) (int64, error) {
-	var count int64
-
-	query := fmt.Sprintf("SELECT COUNT(*) FROM %s", table)
-	row := db.QueryRow(query)
-	if err := row.Scan(&count); err != nil {
-		return 0, fmt.Errorf("error counting rows in user DB: %v", err)
-	}
-
-	return count, nil
-}
-
-func (db *DB) StartTransaction() (*Tx, error) {
-	tx := &Tx{Tx: new(sql.Tx)}
-	var err error
-
-	tx.Tx, err = db.Begin()
-	if err != nil {
-		return nil, fmt.Errorf("error starting transaction: %v", err)
-	}
-
-	return tx, nil
-}
-
-func (tx *Tx) CommitTransaction() error {
-	if err := tx.Commit(); err != nil {
-		return fmt.Errorf("error committing transaction: %v", err)
-	}
-	return nil
-}
-
-func (tx *Tx) RollbackTransaction() {
-	if err := tx.Rollback(); err != nil {
-		log.Fatalf("error rolling back transaction: %v", err)
-	}
-}
-
-func (tx *Tx) UpdateAttributes(a ...*Attribute) error {
-	for _, attribute := range a {
-		query := fmt.Sprintf(`
-            UPDATE %s
-            SET %s = ?
-            WHERE id = ?
-            `, attribute.Table, attribute.AttName)
-		if _, err := tx.Exec(query, attribute.Value, attribute.ID); err != nil {
-			if rollbackErr := tx.Rollback(); rollbackErr != nil {
-				log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-			}
-			return fmt.Errorf("error updating %v in DB: %v", attribute.AttName, err)
-		}
-	}
-
-	return nil
-}

cmd/model/tags.go

@@ -1,35 +0,0 @@
-package model
-
-import "fmt"
-
-type Tag struct {
-	Name string
-	ID   int64
-}
-
-func (db *DB) AddTag(tagName string) error {
-	query := "INSERT INTO tags (name) VALUES (?)"
-	if _, err := db.Exec(query, tagName); err != nil {
-		return fmt.Errorf("error inserting tag into DB: %v", err)
-	}
-	return nil
-}
-
-func (db *DB) GetTagList() ([]*Tag, error) {
-	query := "SELECT id, name FROM tags"
-	rows, err := db.Query(query)
-	if err != nil {
-		return nil, fmt.Errorf("error querying tags: %v", err)
-	}
-
-	tagList := make([]*Tag, 0)
-	for rows.Next() {
-		tag := new(Tag)
-		if err = rows.Scan(&tag.ID, &tag.Name); err != nil {
-			return nil, fmt.Errorf("error scanning tag row: %v", err)
-		}
-		tagList = append(tagList, tag)
-	}
-
-	return tagList, nil
-}

cmd/model/users.go

@@ -1,198 +0,0 @@
-package model
-
-import (
-	"fmt"
-	"log"
-	"math"
-	"math/rand/v2"
-	"time"
-
-	"golang.org/x/crypto/bcrypt"
-)
-
-const (
-	Admin = iota
-	Editor
-	Writer
-)
-
-type User struct {
-	UserName  string
-	FirstName string
-	LastName  string
-	ID        int64
-	Role      int
-}
-
-func (db *DB) AddUser(user *User, pass string) error {
-	hashedPass, err := bcrypt.GenerateFromPassword([]byte(pass), bcrypt.DefaultCost)
-	if err != nil {
-		return fmt.Errorf("error creating password hash: %v", err)
-	}
-
-	query := `
-    INSERT INTO users (username, password, first_name, last_name, role)
-    VALUES (?, ?, ?, ?, ?)
-    `
-	if _, err = db.Exec(query, user.UserName, string(hashedPass), user.FirstName, user.LastName, user.Role); err != nil {
-		return fmt.Errorf("error inserting user into DB: %v", err)
-	}
-
-	return nil
-}
-
-func (db *DB) GetID(userName string) (int64, bool) {
-	var id int64
-
-	query := `
-    SELECT id
-    FROM users
-    WHERE username = ?
-    `
-	row := db.QueryRow(query, userName)
-	if err := row.Scan(&id); err != nil {
-		return 0, false
-	}
-
-	return id, true
-}
-
-func (db *DB) CheckPassword(id int64, pass string) error {
-	var queriedPass string
-
-	query := `
-    SELECT password
-    FROM users
-    WHERE id = ?
-    `
-	row := db.QueryRow(query, id)
-	if err := row.Scan(&queriedPass); err != nil {
-		return fmt.Errorf("error reading password from DB: %v", err)
-	}
-
-	if err := bcrypt.CompareHashAndPassword([]byte(queriedPass), []byte(pass)); err != nil {
-		return fmt.Errorf("incorrect password: %v", err)
-	}
-
-	return nil
-}
-
-func (tx *Tx) ChangePassword(id int64, oldPass, newPass string) error {
-	var queriedPass string
-	getQuery := `
-    SELECT password
-    FROM users
-    WHERE id = ?
-    `
-	row := tx.QueryRow(getQuery, id)
-	if err := row.Scan(&queriedPass); err != nil {
-		if rollbackErr := tx.Rollback(); rollbackErr != nil {
-			log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-		}
-		return fmt.Errorf("error reading password from DB: %v", err)
-	}
-
-	if err := bcrypt.CompareHashAndPassword([]byte(queriedPass), []byte(oldPass)); err != nil {
-		if rollbackErr := tx.Rollback(); rollbackErr != nil {
-			log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-		}
-		return fmt.Errorf("incorrect password: %v", err)
-	}
-
-	newHashedPass, err := bcrypt.GenerateFromPassword([]byte(newPass), bcrypt.DefaultCost)
-	if err != nil {
-		if rollbackErr := tx.Rollback(); rollbackErr != nil {
-			log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-		}
-		return fmt.Errorf("error creating password hash: %v", err)
-	}
-
-	setQuery := `
-    UPDATE users
-    SET password = ?
-    WHERE id = ?
-    `
-	if _, err = tx.Exec(setQuery, string(newHashedPass), id); err != nil {
-		if rollbackErr := tx.Rollback(); rollbackErr != nil {
-			log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-		}
-		return fmt.Errorf("error updating password in DB: %v", err)
-	}
-
-	return nil
-}
-
-// TODO: No need for ID field in general
-func (db *DB) GetUser(id int64) (*User, error) {
-	user := new(User)
-	query := `
-    SELECT id, username, first_name, last_name, role
-    FROM users
-    WHERE id = ?
-    `
-
-	row := db.QueryRow(query, id)
-	if err := row.Scan(&user.ID, &user.UserName, &user.FirstName, &user.LastName, &user.Role); err != nil {
-		return nil, fmt.Errorf("error reading user information: %v", err)
-	}
-
-	return user, nil
-}
-
-func (db *DB) UpdateUserAttributes(id int64, user, first, last, oldPass, newPass, newPass2 string) error {
-	passwordEmpty := true
-	if len(newPass) > 0 || len(newPass2) > 0 {
-		if newPass != newPass2 {
-			return fmt.Errorf("error: passwords do not match")
-		}
-		passwordEmpty = false
-	}
-
-	tx := new(Tx)
-	var err error
-
-	for i := 0; i < TxMaxRetries; i++ {
-		err := func() error {
-			tx.Tx, err = db.Begin()
-			if err != nil {
-				return fmt.Errorf("error starting transaction: %v", err)
-			}
-
-			if !passwordEmpty {
-				if err = tx.ChangePassword(id, oldPass, newPass); err != nil {
-					if rollbackErr := tx.Rollback(); rollbackErr != nil {
-						log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-					}
-					return fmt.Errorf("error changing password: %v", err)
-				}
-			}
-
-			if err = tx.UpdateAttributes(
-				&Attribute{Table: "users", ID: id, AttName: "username", Value: user},
-				&Attribute{Table: "users", ID: id, AttName: "first_name", Value: first},
-				&Attribute{Table: "users", ID: id, AttName: "last_name", Value: last},
-			); err != nil {
-				if rollbackErr := tx.Rollback(); rollbackErr != nil {
-					log.Fatalf("error: transaction error: %v, rollback error: %v", err, rollbackErr)
-				}
-				return fmt.Errorf("error updating attributes in DB: %v", err)
-			}
-
-			if err = tx.Commit(); err != nil {
-				return fmt.Errorf("error committing transaction: %v", err)
-			}
-
-			return nil
-		}()
-		if err == nil {
-			return nil
-		}
-
-		log.Println(err)
-		waitTime := time.Duration(math.Pow(2, float64(i))) * time.Second
-		jitter := time.Duration(rand.IntN(1000)) * time.Millisecond
-		time.Sleep(waitTime + jitter)
-	}
-
-	return fmt.Errorf("error: %v unsuccessful retries for DB operation, aborting", TxMaxRetries)
-}

cmd/ui/admin.go

@@ -0,0 +1,105 @@
+package ui
+
+import (
+	"fmt"
+	"html/template"
+	"log"
+	"net/http"
+	"strconv"
+
+	"streifling.com/jason/cpolis/cmd/data"
+)
+
+type AddUserData struct {
+	Msg string
+	data.User
+}
+
+func inputsEmpty(user data.User, pass, pass2 string) bool {
+	return len(user.UserName) == 0 ||
+		len(user.FirstName) == 0 ||
+		len(user.LastName) == 0 ||
+		len(pass) == 0 ||
+		len(pass2) == 0
+}
+
+func checkUserStrings(user data.User) (string, int, bool) {
+	userLen := 15
+	nameLen := 50
+
+	if len(user.UserName) > userLen {
+		return "Benutzername", userLen, false
+	} else if len(user.FirstName) > nameLen {
+		return "Vorname", nameLen, false
+	} else if len(user.LastName) > nameLen {
+		return "Nachname", nameLen, false
+	} else {
+		return "", 0, true
+	}
+}
+
+func CreateUser() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		tmpl, err := template.ParseFiles("web/templates/add-user.html")
+		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
+	}
+}
+
+func AddUser(db *data.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		role, err := strconv.Atoi(r.PostFormValue("role"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		htmlData := AddUserData{
+			User: data.User{
+				UserName:  r.PostFormValue("username"),
+				FirstName: r.PostFormValue("first-name"),
+				LastName:  r.PostFormValue("last-name"),
+				Role:      role,
+			},
+		}
+		pass := r.PostFormValue("password")
+		pass2 := r.PostFormValue("password2")
+
+		if inputsEmpty(htmlData.User, pass, pass2) {
+			htmlData.Msg = "Alle Felder müssen ausgefüllt werden."
+			tmpl, err := template.ParseFiles("web/templates/add-user.html")
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
+			return
+		}
+		userString, stringLen, ok := checkUserStrings(htmlData.User)
+		if !ok {
+			htmlData.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ",
+				stringLen, " Zeichen erlaubt.")
+			tmpl, err := template.ParseFiles("web/templates/add-user.html")
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
+			return
+		}
+		id, _ := db.GetID(htmlData.UserName)
+		if id != 0 {
+			htmlData.Msg = fmt.Sprint(htmlData.UserName,
+				" ist bereits vergeben. Bitte anderen Benutzernamen wählen.")
+			tmpl, err := template.ParseFiles("web/templates/add-user.html")
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
+			return
+		}
+		if pass != pass2 {
+			htmlData.Msg = "Die Passwörter stimmen nicht überein."
+			tmpl, err := template.ParseFiles("web/templates/add-user.html")
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
+			return
+		}
+
+		if err := db.AddUser(htmlData.User, pass); err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		tmpl, err := template.ParseFiles("web/templates/hub.html")
+		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
+	}
+}

cmd/ui/articles.go

@@ -0,0 +1,153 @@
+package ui
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/gorilla/feeds"
+	"streifling.com/jason/cpolis/cmd/data"
+)
+
+func ShowHub(s *data.CookieStore) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		session, err := s.Get(r, "cookie")
+		if err != nil {
+			tmpl, err := template.ParseFiles("web/templates/login.html")
+			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
+		}
+
+		tmpl, err := template.ParseFiles("web/templates/hub.html")
+		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", session.Values["role"])
+	}
+}
+
+func WriteArticle(w http.ResponseWriter, r *http.Request) {
+	tmpl, err := template.ParseFiles("web/templates/editor.html")
+	template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
+}
+
+func FinishArticle(l *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		article := new(data.Article)
+		var err error
+
+		article.Title, err = data.ConvertToPlain(r.PostFormValue("editor-title"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		article.Desc, err = data.ConvertToPlain(r.PostFormValue("editor-desc"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		article.Content, err = data.ConvertToHTML(r.PostFormValue("editor-text"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		session, err := s.Get(r, "cookie")
+		if err != nil {
+			tmpl, err := template.ParseFiles("web/templates/login.html")
+			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
+		}
+
+		article.UUID = uuid.New()
+		article.Author = session.Values["name"].(string)
+		article.Created = time.Now()
+		article.AuthorID = session.Values["id"].(int64)
+
+		l.Add(article)
+
+		tmpl, err := template.ParseFiles("web/templates/hub.html")
+		tmpl = template.Must(tmpl, err)
+		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
+	}
+}
+
+func ShowUnpublishedArticles(l *data.ArticleList) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		tmpl, err := template.ParseFiles("web/templates/unpublished-articles.html")
+		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", l.Get())
+	}
+}
+
+func ReviewArticle(l *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		uuid, err := uuid.Parse(r.PostFormValue("uuid"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		for _, article := range l.Get() {
+			if article.UUID == uuid {
+				tmpl, err := template.ParseFiles("web/templates/to-be-published.html")
+				template.Must(tmpl, err).ExecuteTemplate(w, "page-content", article)
+				return
+			}
+		}
+
+		session, err := s.Get(r, "cookie")
+		if err != nil {
+			tmpl, err := template.ParseFiles("web/templates/login.html")
+			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
+		}
+
+		tmpl, err := template.ParseFiles("web/templates/hub.html")
+		tmpl = template.Must(tmpl, err)
+		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
+	}
+}
+
+func PublishArticle(f *data.Feed, l *data.ArticleList, s *data.CookieStore) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		uuid, err := uuid.Parse(r.PostFormValue("uuid"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		article, ok := l.Release(uuid)
+		if !ok {
+			// TODO: Warnung anzeigen
+			// msg = "Alle Felder müssen ausgefüllt werden."
+			// tmpl, err := template.ParseFiles("web/templates/add-user.html")
+			// template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
+			return
+		}
+
+		f.Add(&feeds.Item{
+			Title:       article.Title,
+			Created:     article.Created,
+			Description: article.Desc,
+			Content:     article.Content,
+		})
+		f.Save("tmp/rss.gob")
+
+		session, err := s.Get(r, "cookie")
+		if err != nil {
+			tmpl, err := template.ParseFiles("web/templates/login.html")
+			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
+			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
+		}
+
+		tmpl, err := template.ParseFiles("web/templates/hub.html")
+		tmpl = template.Must(tmpl, err)
+		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
+	}
+}

cmd/ui/rss.go

@@ -0,0 +1,25 @@
+package ui
+
+import (
+	"html/template"
+	"log"
+	"net/http"
+
+	"streifling.com/jason/cpolis/cmd/data"
+)
+
+func ShowRSS(f *data.Feed) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		feed := f.Get()
+		rss, err := feed.ToRss()
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		files := []string{"web/templates/index.html", "web/templates/feed.rss"}
+		tmpl, err := template.ParseFiles(files...)
+		template.Must(tmpl, err).Execute(w, rss)
+	}
+}

cmd/ui/sessions.go

@@ -1,35 +1,16 @@
-package view
+package ui
 
 import (
-	"fmt"
 	"html/template"
 	"log"
 	"net/http"
 
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
+	"streifling.com/jason/cpolis/cmd/data"
 )
 
-func saveSession(w http.ResponseWriter, r *http.Request, s *control.CookieStore, u *model.User) error {
-	session, err := s.Get(r, "cookie")
-	if err != nil {
-		return fmt.Errorf("error getting session: %v", err)
-	}
-
-	session.Values["authenticated"] = true
-	session.Values["id"] = u.ID
-	session.Values["name"] = u.FirstName + u.LastName
-	session.Values["role"] = u.Role
-	if err := session.Save(r, w); err != nil {
-		return fmt.Errorf("error saving session: %v", err)
-	}
-
-	return nil
-}
-
-func HomePage(db *model.DB, s *control.CookieStore) http.HandlerFunc {
+func HomePage(db *data.DB, s *data.CookieStore) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		numRows, err := db.CountEntries("users")
+		numRows, err := db.CountEntries()
 		if err != nil {
 			log.Fatalln(err)
 		}
@@ -54,14 +35,15 @@ func HomePage(db *model.DB, s *control.CookieStore) http.HandlerFunc {
 	}
 }
 
-func Login(db *model.DB, s *control.CookieStore) http.HandlerFunc {
+func Login(db *data.DB, s *data.CookieStore) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		userName := r.PostFormValue("username")
 		password := r.PostFormValue("password")
 
-		id, ok := db.GetID(userName)
-		if !ok {
-			http.Error(w, fmt.Sprintf("no such user: %v", userName), http.StatusInternalServerError)
+		id, err := db.GetID(userName)
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
 
@@ -78,7 +60,18 @@ func Login(db *model.DB, s *control.CookieStore) http.HandlerFunc {
 			return
 		}
 
-		if err := saveSession(w, r, s, user); err != nil {
+		session, err := s.Get(r, "cookie")
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		session.Values["authenticated"] = true
+		session.Values["id"] = user.ID
+		session.Values["name"] = user.FirstName + user.LastName
+		session.Values["role"] = user.Role
+		if err := session.Save(r, w); err != nil {
 			log.Println(err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
@@ -88,25 +81,3 @@ func Login(db *model.DB, s *control.CookieStore) http.HandlerFunc {
 		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", user.Role)
 	}
 }
-
-func Logout(s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		session.Options.MaxAge = -1
-
-		if err = session.Save(r, w); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/login.html")
-		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
-	}
-}

cmd/view/articles.go

@@ -1,319 +0,0 @@
-package view
-
-import (
-	"html/template"
-	"log"
-	"net/http"
-	"strconv"
-	"time"
-
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
-)
-
-func ShowHub(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", session.Values["role"].(int))
-	}
-}
-
-func WriteArticle(db *model.DB) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		tags, err := db.GetTagList()
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/editor.html")
-		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", tags)
-	}
-}
-
-func SubmitArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		article := &model.Article{
-			Title:       r.PostFormValue("article-title"),
-			Description: r.PostFormValue("article-description"),
-			Content:     r.PostFormValue("article-content"),
-			Published:   false,
-			Rejected:    false,
-			AuthorID:    session.Values["id"].(int64),
-		}
-
-		article.ID, err = db.AddArticle(article)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		r.ParseForm()
-		tags := make([]int64, 0)
-		for _, tag := range r.Form["tags"] {
-			tagID, err := strconv.ParseInt(tag, 10, 64)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-			tags = append(tags, tagID)
-		}
-		if err = db.WriteArticleTags(article.ID, tags); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
-	}
-}
-
-func ResubmitArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		id, err := strconv.ParseInt(r.PostFormValue("article-id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		title := r.PostFormValue("article-title")
-		description := r.PostFormValue("article-description")
-		content := r.PostFormValue("article-content")
-
-		if err := db.UpdateAttributes(
-			&model.Attribute{Table: "articles", ID: id, AttName: "title", Value: title},
-			&model.Attribute{Table: "articles", ID: id, AttName: "description", Value: description},
-			&model.Attribute{Table: "articles", ID: id, AttName: "content", Value: content},
-			&model.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: false},
-		); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
-	}
-}
-
-func ShowUnpublishedArticles(db *model.DB) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		unpublishedArticles, err := db.GetCertainArticles(false, false)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/unpublished-articles.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", unpublishedArticles)
-	}
-}
-
-func ShowRejectedArticles(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		type htmlData struct {
-			MyIDs            map[int64]bool
-			RejectedArticles []*model.Article
-		}
-		data := new(htmlData)
-
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.RejectedArticles, err = db.GetCertainArticles(false, true)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.MyIDs = make(map[int64]bool)
-		for _, article := range data.RejectedArticles {
-			if article.AuthorID == session.Values["id"].(int64) {
-				data.MyIDs[article.ID] = true
-			}
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/rejected-articles.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", data)
-	}
-}
-
-func ReviewUnpublishedArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		type htmlData struct {
-			Article *model.Article
-			Tags    []*model.Tag
-		}
-		data := new(htmlData)
-
-		id, err := strconv.ParseInt(r.PostFormValue("id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.Article, err = db.GetArticle(id)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.Tags, err = db.GetArticleTags(id)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/to-be-published.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", data)
-	}
-}
-
-func ReviewRejectedArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		type htmlData struct {
-			Selected map[int64]bool
-			Article  *model.Article
-			Tags     []*model.Tag
-		}
-		data := new(htmlData)
-
-		id, err := strconv.ParseInt(r.PostFormValue("id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.Article, err = db.GetArticle(id)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		data.Tags, err = db.GetTagList()
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		selectedTags, err := db.GetArticleTags(id)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-		data.Selected = make(map[int64]bool)
-		for _, tag := range selectedTags {
-			data.Selected[tag.ID] = true
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/rework-article.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", data)
-	}
-}
-
-func PublishArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		id, err := strconv.ParseInt(r.PostFormValue("id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		if err = db.UpdateAttributes(
-			&model.Attribute{Table: "articles", ID: id, AttName: "published", Value: true},
-			&model.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: false},
-			&model.Attribute{Table: "articles", ID: id, AttName: "created", Value: time.Now().Format("2006-01-02 15:04:05")},
-		); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
-	}
-}
-
-func RejectArticle(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		id, err := strconv.ParseInt(r.PostFormValue("id"), 10, 64)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		if err = db.UpdateAttributes(
-			&model.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: true},
-		); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
-	}
-}

cmd/view/editor.go

@@ -1,31 +0,0 @@
-package view
-
-import (
-	"html/template"
-	"net/http"
-
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
-)
-
-func CreateTag(w http.ResponseWriter, r *http.Request) {
-	tmpl, err := template.ParseFiles("web/templates/add-tag.html")
-	template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
-}
-
-func AddTag(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		db.AddTag(r.PostFormValue("tag"))
-
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
-	}
-}

cmd/view/rss.go

@@ -1,93 +0,0 @@
-package view
-
-import (
-	"html/template"
-	"log"
-	"net/http"
-	"time"
-
-	"git.streifling.com/jason/rss"
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
-)
-
-func ShowRSS(db *model.DB, title, link, desc string) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		channel := &rss.Channel{
-			Title:       title,
-			Link:        link,
-			Description: desc,
-			Items:       make([]*rss.Item, 0),
-		}
-
-		articles, err := db.GetCertainArticles(true, false)
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		for _, article := range articles {
-			tags, err := db.GetArticleTags(article.ID)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-			tagNames := make([]string, 0)
-			for _, tag := range tags {
-				tagNames = append(tagNames, tag.Name)
-			}
-
-			user, err := db.GetUser(article.AuthorID)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-
-			articleTitle, err := control.ConvertToPlain(article.Title)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-
-			articleDescription, err := control.ConvertToPlain(article.Description)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-
-			articleContent, err := control.ConvertToHTML(article.Content)
-			if err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-
-			channel.Items = append(channel.Items, &rss.Item{
-				Title:       articleTitle,
-				Author:      user.FirstName + user.LastName,
-				PubDate:     article.Created.Format(time.RFC1123Z),
-				Description: articleDescription,
-				Content:     &rss.Content{Value: articleContent},
-				Categories:  tagNames,
-			})
-		}
-
-		feed := rss.NewFeed()
-		feed.Channels = append(feed.Channels, channel)
-		rss, err := feed.ToXML()
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		files := []string{"web/templates/index.html", "web/templates/feed.rss"}
-		tmpl, err := template.ParseFiles(files...)
-		template.Must(tmpl, err).Execute(w, rss)
-	}
-}

cmd/view/users.go

@@ -1,212 +0,0 @@
-package view
-
-import (
-	"fmt"
-	"html/template"
-	"log"
-	"net/http"
-	"strconv"
-
-	"streifling.com/jason/cpolis/cmd/control"
-	"streifling.com/jason/cpolis/cmd/model"
-)
-
-type UserData struct {
-	*model.User
-	Msg string
-}
-
-func checkUserStrings(user *model.User) (string, int, bool) {
-	userLen := 15
-	nameLen := 50
-
-	if len(user.UserName) > userLen {
-		return "Benutzername", userLen, false
-	} else if len(user.FirstName) > nameLen {
-		return "Vorname", nameLen, false
-	} else if len(user.LastName) > nameLen {
-		return "Nachname", nameLen, false
-	} else {
-		return "", 0, true
-	}
-}
-
-func CreateUser(w http.ResponseWriter, r *http.Request) {
-	tmpl, err := template.ParseFiles("web/templates/add-user.html")
-	template.Must(tmpl, err).ExecuteTemplate(w, "page-content", nil)
-}
-
-func AddUser(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		role, err := strconv.Atoi(r.PostFormValue("role"))
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		htmlData := UserData{
-			User: &model.User{
-				UserName:  r.PostFormValue("username"),
-				FirstName: r.PostFormValue("first-name"),
-				LastName:  r.PostFormValue("last-name"),
-				Role:      role,
-			},
-		}
-		pass := r.PostFormValue("password")
-		pass2 := r.PostFormValue("password2")
-
-		if len(htmlData.UserName) == 0 || len(htmlData.FirstName) == 0 ||
-			len(htmlData.LastName) == 0 || len(pass) == 0 || len(pass2) == 0 {
-			htmlData.Msg = "Alle Felder müssen ausgefüllt werden."
-			tmpl, err := template.ParseFiles("web/templates/add-user.html")
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
-			return
-		}
-		userString, stringLen, ok := checkUserStrings(htmlData.User)
-		if !ok {
-			htmlData.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ",
-				stringLen, " Zeichen erlaubt.")
-			tmpl, err := template.ParseFiles("web/templates/add-user.html")
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
-			return
-		}
-		id, _ := db.GetID(htmlData.UserName)
-		if id != 0 {
-			htmlData.Msg = fmt.Sprint(htmlData.UserName,
-				" ist bereits vergeben. Bitte anderen Benutzernamen wählen.")
-			tmpl, err := template.ParseFiles("web/templates/add-user.html")
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
-			return
-		}
-		if pass != pass2 {
-			htmlData.Msg = "Die Passwörter stimmen nicht überein."
-			tmpl, err := template.ParseFiles("web/templates/add-user.html")
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", htmlData)
-			return
-		}
-
-		num, err := db.CountEntries("users")
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-		if num == 0 {
-			if htmlData.Role != model.Admin {
-				htmlData.Msg = "Der erste Benutzer muss ein Administrator sein."
-				htmlData.Role = model.Admin
-				tmpl, err := template.ParseFiles("web/templates/add-user.html")
-				tmpl = template.Must(tmpl, err)
-				tmpl.ExecuteTemplate(w, "page-content", htmlData)
-				return
-			}
-
-			if err := saveSession(w, r, s, htmlData.User); err != nil {
-				log.Println(err)
-				http.Error(w, err.Error(), http.StatusInternalServerError)
-				return
-			}
-		}
-
-		if err := db.AddUser(htmlData.User, pass); err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", 0)
-	}
-}
-
-func EditUser(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		user, err := db.GetUser(session.Values["id"].(int64))
-		if err != nil {
-			log.Println(err)
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/edit-user.html")
-		template.Must(tmpl, err).ExecuteTemplate(w, "page-content", user)
-	}
-}
-
-func UpdateUser(db *model.DB, s *control.CookieStore) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		session, err := s.Get(r, "cookie")
-		if err != nil {
-			tmpl, err := template.ParseFiles("web/templates/login.html")
-			msg := "Session nicht mehr gültig. Bitte erneut anmelden."
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", msg)
-		}
-
-		userData := UserData{
-			User: &model.User{
-				ID:        session.Values["id"].(int64),
-				UserName:  r.PostFormValue("username"),
-				FirstName: r.PostFormValue("first-name"),
-				LastName:  r.PostFormValue("last-name"),
-			},
-		}
-		oldPass := r.PostFormValue("old-password")
-		newPass := r.PostFormValue("password")
-		newPass2 := r.PostFormValue("password2")
-
-		if len(userData.UserName) == 0 || len(userData.FirstName) == 0 ||
-			len(userData.LastName) == 0 {
-			userData.Msg = "Alle Felder mit * müssen ausgefüllt sein."
-			tmpl, err := template.ParseFiles("web/templates/edit-user.html")
-			tmpl = template.Must(tmpl, err)
-			tmpl.ExecuteTemplate(w, "page-content", userData.Msg)
-			return
-		}
-
-		userString, stringLen, ok := checkUserStrings(userData.User)
-		if !ok {
-			userData.Msg = fmt.Sprint(userString, " ist zu lang. Maximal ",
-				stringLen, " Zeichen erlaubt.")
-			tmpl, err := template.ParseFiles("web/templates/edit-user.html")
-			tmpl = template.Must(tmpl, err)
-			tmpl.ExecuteTemplate(w, "page-content", userData)
-			return
-		}
-
-		if id, ok := db.GetID(userData.UserName); ok {
-			if id != userData.ID {
-				userData.Msg = "Benutzername bereits vergeben."
-				userData.UserName = ""
-				tmpl, err := template.ParseFiles("web/templates/edit-user.html")
-				tmpl = template.Must(tmpl, err)
-				tmpl.ExecuteTemplate(w, "page-content", userData)
-				return
-			}
-		}
-
-		if err = db.UpdateUserAttributes(
-			userData.ID,
-			userData.UserName,
-			userData.FirstName,
-			userData.LastName,
-			oldPass,
-			newPass,
-			newPass2); err != nil {
-			userData.Msg = "Aktualisierung der Benutzerdaten fehlgeschlagen."
-			tmpl, err := template.ParseFiles("web/templates/edit-user.html")
-			template.Must(tmpl, err).ExecuteTemplate(w, "page-content", userData)
-		}
-
-		tmpl, err := template.ParseFiles("web/templates/hub.html")
-		tmpl = template.Must(tmpl, err)
-		tmpl.ExecuteTemplate(w, "page-content", session.Values["role"].(int))
-	}
-}

go.mod

@@ -3,8 +3,9 @@ module streifling.com/jason/cpolis
 go 1.22.0
 
 require (
-	git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188
 	github.com/go-sql-driver/mysql v1.7.1
+	github.com/google/uuid v1.6.0
+	github.com/gorilla/feeds v1.1.2
 	github.com/gorilla/sessions v1.2.2
 	github.com/microcosm-cc/bluemonday v1.0.26
 	github.com/yuin/goldmark v1.7.0

go.sum

@@ -1,19 +1,27 @@
-git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188 h1:C8M/j3f+cl5Y7YfGpU/ynb/SC/4tTYMDsyGFt3rswM8=
-git.streifling.com/jason/rss v0.0.0-20240305164907-524bf9676188/go.mod h1:gpZF0nZbQSstMpyHD9DTAvlQEG7v4pjO5c7aIMWM4Jg=
 github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
 github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
 github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
 github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/css v1.0.0 h1:BQqNyPTi50JCFMTw/b67hByjMVXZRwGha6wxVGkeihY=
 github.com/gorilla/css v1.0.0/go.mod h1:Dn721qIggHpt4+EFCcTLTU/vk5ySda2ReITrtgBl60c=
+github.com/gorilla/feeds v1.1.2 h1:pxzZ5PD3RJdhFH2FsJJ4x6PqMqbgFk1+Vez4XWBW8Iw=
+github.com/gorilla/feeds v1.1.2/go.mod h1:WMib8uJP3BbY+X8Szd1rA5Pzhdfh+HCCAYT2z7Fza6Y=
 github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
 github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
 github.com/gorilla/sessions v1.2.2 h1:lqzMYz6bOfvn2WriPUjNByzeXIlVzURcPmgMczkmTjY=
 github.com/gorilla/sessions v1.2.2/go.mod h1:ePLdVu+jbEgHH+KWw8I1z2wqd0BAdAQh/8LRvBeoNcQ=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/microcosm-cc/bluemonday v1.0.26 h1:xbqSvqzQMeEHCqMi64VAs4d8uy6Mequs3rQ0k/Khz58=
 github.com/microcosm-cc/bluemonday v1.0.26/go.mod h1:JyzOCs9gkyQyjs+6h10UEVSe02CGwkhd72Xdqh78TWs=
+github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/yuin/goldmark v1.7.0 h1:EfOIvIMZIzHdB/R/zVrikYLPPwJlfMcNczJFMs1m6sA=
 github.com/yuin/goldmark v1.7.0/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
 golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=

main.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"encoding/gob"
+	"log"
+	"net/http"
+	"os"
+
+	"streifling.com/jason/cpolis/cmd/data"
+	"streifling.com/jason/cpolis/cmd/ui"
+)
+
+func init() {
+	gob.Register(data.User{})
+}
+
+func main() {
+	logFile, err := os.Create("tmp/cpolis.log")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer logFile.Close()
+	log.SetOutput(logFile)
+
+	db, err := data.OpenDB("cpolis")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer db.Close()
+
+	feed, err := data.OpenFeed("tmp/rss.gob")
+	if err != nil {
+		log.Println(err)
+		feed = data.NewFeed("Freimaurer Distrikt Niedersachsen und Sachsen-Anhalt",
+			"https://distrikt-ni-st.de",
+			"Freiheit, Gleichheit, Brüderlichkeit, Toleranz und Humanität")
+	}
+
+	key, err := data.LoadKey("tmp/key.gob")
+	if err != nil {
+		key, err = data.NewKey()
+		if err != nil {
+			log.Fatalln(err)
+		}
+		data.SaveKey(key, "tmp/key.gob")
+	}
+	store := data.NewCookieStore(key)
+
+	articleList := data.NewArticleList()
+
+	mux := http.NewServeMux()
+	mux.Handle("/web/static/", http.StripPrefix("/web/static/", http.FileServer(http.Dir("web/static/"))))
+	mux.HandleFunc("/", ui.HomePage(db, store))
+
+	mux.HandleFunc("GET /hub/", ui.ShowHub(store))
+	mux.HandleFunc("GET /rss/", ui.ShowRSS(feed))
+
+	mux.HandleFunc("POST /add-user/", ui.AddUser(db))
+	mux.HandleFunc("POST /create-user/", ui.CreateUser())
+	mux.HandleFunc("POST /finish-article/", ui.FinishArticle(articleList, store))
+	mux.HandleFunc("POST /login/", ui.Login(db, store))
+	mux.HandleFunc("POST /review-article/", ui.ReviewArticle(articleList, store))
+	mux.HandleFunc("POST /publish-article/", ui.PublishArticle(feed, articleList, store))
+	mux.HandleFunc("POST /unpublished-articles/", ui.ShowUnpublishedArticles(articleList))
+	mux.HandleFunc("POST /write-article/", ui.WriteArticle)
+
+	log.Fatalln(http.ListenAndServe(":8080", mux))
+}

web/templates/add-tag.html

@@ -1,8 +0,0 @@
-{{define "page-content"}}
-<h2>Neuer Benutzer</h2>
-<form>
-    <input required name="tag" placeholder="Tag" type="text" />
-    <input type="submit" value="Anlegen" hx-post="/add-tag/" hx-target="#page-content" />
-</form>
-<button hx-get="/hub/" hx-target="#page-content">Abbrechen</button>
-{{end}}

web/templates/add-user.html

@@ -8,16 +8,15 @@
     <input required name="first-name" placeholder="Vorname" type="text" value="{{.FirstName}}" />
     <input required name="last-name" placeholder="Nachname" type="text" value="{{.LastName}}" />
 
-    <input required id="writer" name="role" type="radio" value="2" {{if eq .Role 2 }}checked{{end}} />
     <label for="writer">Schreiber</label>
-    <input required id="editor" name="role" type="radio" value="1" {{if eq .Role 1 }}checked{{end}} />
+    <input required id="writer" name="role" type="radio" value="2" {{if eq .Role "2" }}checked{{end}} />
     <label for="editor">Redakteur</label>
-    <input required id="admin" name="role" type="radio" value="0" {{if eq .Role 0 }}checked{{end}} />
+    <input required id="editor" name="role" type="radio" value="1" {{if eq .Role "1" }}checked{{end}} />
     <label for="admin">Admin</label>
+    <input required id="admin" name="role" type="radio" value="0" {{if eq .Role "0" }}checked{{end}} />
 
     <input type="submit" value="Anlegen" hx-post="/add-user/" hx-target="#page-content" />
 </form>
-<button hx-get="/hub/" hx-target="#page-content">Abbrechen</button>
 
 <script>
     var msg = "{{.Msg}}";

web/templates/edit-user.html

@@ -1,13 +0,0 @@
-{{define "page-content"}}
-<form>
-    <input name="username" type="text" value="{{.UserName}}" />
-    <input name="first-name" type="text" value="{{.FirstName}}" />
-    <input name="last-name" type="text" value="{{.LastName}}" />
-
-    <input name="old-password" placeholder="Altes Passwort" type="password" />
-    <input name="password" placeholder="Neues Passwort" type="password" />
-    <input name="password2" placeholder="Wiederholen" type="password" />
-
-    <input type="submit" value="Aktualisieren" hx-post="/update-user/" hx-target="#page-content" />
-</form>
-{{end}}

web/templates/editor.html

@@ -1,13 +1,13 @@
 {{define "page-content"}}
 <h2>Editor</h2>
 <form>
-    <input name="article-title" placeholder="Titel" type="text" />
-    <textarea name="article-description" placeholder="Beschreibung"></textarea>
-    <textarea name="article-content" placeholder="Artikel"></textarea>
-    {{range .}}
-    <input id="{{.Name}}" name="tags" type="checkbox" value="{{.ID}}" />
-    <label for="{{.Name}}">{{.Name}}</label>
-    {{end}}
-    <input type="submit" value="Senden" hx-post="/submit-article/" hx-target="#page-content" />
+    <input name="editor-title" placeholder="Titel" type="text" />
+    <textarea name="editor-desc" placeholder="Beschreibung"></textarea>
+    <textarea name="editor-text" placeholder="Artikel"></textarea>
+    <input type="submit" value="Senden" hx-post="/finish-article/" hx-target="#page-content" />
 </form>
 {{end}}
+
+{{define "html-result"}}
+{{.}}
+{{end}}

web/templates/hub.html

@@ -1,14 +1,11 @@
 {{define "page-content"}}
 <h2>Hub</h2>
-<button hx-get="/write-article/" hx-target="#page-content">Artikel schreiben</button>
-<button hx-get="/rejected-articles/" hx-target="#page-content">Abgelehnte Artikel</button>
-<button hx-get="/rss/" hx-target="#page-content">RSS Feed</button>
-<button hx-get="/edit-user/" hx-target="#page-content">Benutzer bearbeiten</button>
-{{if lt . 2}}
-<button hx-get="/unpublished-articles/" hx-target="#page-content">Unveröffentlichte Artikel</button>
-<button hx-get="/create-tag/" hx-target="#page-content">Neuer Tag</button>
-{{end}}
+<button hx-post="/write-article/" hx-target="#page-content">Artikel schreiben</button>
+<button hx-post="/rss/" hx-target="#page-content">RSS Feed</button>
 {{if eq . 0}}
-<button hx-get="/create-user/" hx-target="#page-content">Benutzer hinzufügen</button>
+<button hx-post="/create-user/" hx-target="#page-content">Benutzer hinzufügen</button>
+{{end}}
+{{if lt . 2}}
+<button hx-post="/unpublished-articles/" hx-target="#page-content">Unveröffentlichte Artikel</button>
 {{end}}
 {{end}}

web/templates/index.html

@@ -9,22 +9,13 @@
 </head>
 
 <body>
-    <header>
-        <h1>Orient Editor</h1>
-        <button hx-get="logout" hx-target="#page-content">Abmelden</button>
-    </header>
+    <h1>Orient Editor</h1>
 
-    <main>
-        <div id="page-content">
-            {{template "page-content" .}}
-        </div>
+    <div id="page-content">
+        {{template "page-content" .}}
+    </div>
 
-        <script src="web/static/js/htmx.min.js"></script>
-    </main>
-
-    <footer>
-        <p>&copy; 2024 Jason Streifling. Alle Rechte vorbehalten.</p>
-    </footer>
+    <script src="web/static/js/htmx.min.js"></script>
 </body>
 
 </html>

web/templates/rejected-articles.html

@@ -1,12 +0,0 @@
-{{define "page-content"}}
-<form>
-    {{range .RejectedArticles}}
-    {{if index $.MyIDs .ID}}
-    <input required id="{{.ID}}" name="id" type="radio" value="{{.ID}}" />
-    <label for="{{.ID}}">{{.Title}}</label>
-    {{end}}
-    {{end}}
-    <input type="submit" value="Auswählen" hx-post="/review-rejected-article/" hx-target="#page-content" />
-</form>
-<button hx-get="/hub/" hx-target="#page-content">Zurück</button>
-{{end}}

web/templates/rework-article.html

@@ -1,16 +0,0 @@
-{{define "page-content"}}
-<h2>Editor</h2>
-<form>
-    <input name="article-title" placeholder="Titel" type="text" value="{{.Article.Title}}" />
-    <textarea name="article-description" placeholder="Beschreibung">{{.Article.Description}}</textarea>
-    <textarea name="article-content" placeholder="Artikel">{{.Article.Content}}</textarea>
-    <input name="article-id" type="hidden" value="{{.Article.ID}}" />
-
-    {{range .Tags}}
-    <input id="tag-{{.Name}}" name="tags" type="checkbox" value="{{.ID}}" {{if index $.Selected .ID}}checked{{end}} />
-    <label for="tag-{{.Name}}">{{.Name}}</label>
-    {{end}}
-
-    <input type="submit" value="Senden" hx-post="/resubmit-article/" hx-target="#page-content" />
-</form>
-{{end}}

web/templates/to-be-published.html

@@ -1,19 +1,11 @@
 {{define "page-content"}}
 <form>
-    <h2>{{.Article.Title}}</h2>
-    <p>{{.Article.Description}}</p>
-    {{.Article.Content}}
-
-    <p>
-    {{range .Tags}}
-    {{.Name}}
-    {{end}}
-    </p>
-
-    <input name="id" type="hidden" value="{{.Article.ID}}" />
+    <input name="editor-title" type="text" value="{{.Title}}" />
+    <textarea name="editor-desc">{{.Desc}}</textarea>
+    <textarea name="editor-text">{{.Content}}</textarea>
+    <input name="uuid" type="hidden" value="{{.UUID}}" />
     <input type="submit" value="Veröffentlichen" hx-post="/publish-article/" hx-target="#page-content" />
     <input type="submit" value="Ablehnen" hx-post="/reject-article/" hx-target="#page-content" />
 </form>
-
 <button hx-get="/hub/" hx-target="#page-content">Zurück</button>
 {{end}}

web/templates/unpublished-articles.html

@@ -1,10 +1,10 @@
 {{define "page-content"}}
 <form>
     {{range .}}
-    <input required id="{{.ID}}" name="id" type="radio" value="{{.ID}}" />
-    <label for="{{.ID}}">{{.Title}}</label>
+    <input required id="{{.UUID}}" name="uuid" type="radio" value="{{.UUID}}" />
+    <label for="{{.UUID}}">{{.Title}}</label>
     {{end}}
-    <input type="submit" value="Auswählen" hx-post="/review-unpublished-article/" hx-target="#page-content" />
+    <input type="submit" value="Auswählen" hx-post="/review-article/" hx-target="#page-content" />
 </form>
 <button hx-get="/hub/" hx-target="#page-content">Zurück</button>
 {{end}}