641 lines
17 KiB
Go
641 lines
17 KiB
Go
package frontend
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import (
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"encoding/json"
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"fmt"
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"html/template"
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"io"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/google/uuid"
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b "streifling.com/jason/cpolis/cmd/backend"
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)
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const (
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EditMode = iota
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PreviewMode
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)
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func WriteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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type htmlData struct {
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Title string
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Description string
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Content string
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HTMLContent template.HTML
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Tags []*b.Tag
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Mode int
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}
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var data htmlData
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if session.Values["article"] == nil {
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data = htmlData{}
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} else {
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data = session.Values["article"].(htmlData)
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}
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data.Mode = EditMode
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data.Tags, err = db.GetTagList()
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/editor.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", data)
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}
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}
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func SubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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session.Values["article"] = nil
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if err = session.Save(r, w); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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article := &b.Article{
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Title: r.PostFormValue("article-title"),
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Description: r.PostFormValue("article-description"),
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Published: false,
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Rejected: false,
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AuthorID: session.Values["id"].(int64),
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IsInIssue: r.PostFormValue("issue") == "on",
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AutoGenerated: false,
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}
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article.ID, err = db.AddArticle(article)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
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if err = os.WriteFile(articleAbsName, []byte(r.PostFormValue("article-content")), 0644); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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article.Link = fmt.Sprint(c.Domain, "/article/serve/", article.ID)
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if err = db.UpdateAttributes(&b.Attribute{Table: "articles", ID: article.ID, AttName: "link", Value: article.Link}); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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r.ParseForm()
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tags := make([]int64, 0)
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for _, tag := range r.Form["tags"] {
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tagID, err := strconv.ParseInt(tag, 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tags = append(tags, tagID)
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}
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if err = db.WriteArticleTags(article.ID, tags); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
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}
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}
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func ResubmitArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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title := r.PostFormValue("article-title")
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description := r.PostFormValue("article-description")
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content := r.PostFormValue("article-content")
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link := fmt.Sprint(c.ArticleDir, "/", id, ".md")
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if err = os.WriteFile(link, []byte(content), 0644); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = db.UpdateAttributes(
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&b.Attribute{Table: "articles", ID: id, AttName: "title", Value: title},
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&b.Attribute{Table: "articles", ID: id, AttName: "description", Value: description},
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&b.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: false},
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&b.Attribute{Table: "articles", ID: id, AttName: "is_in_issue", Value: r.PostFormValue("issue") == "on"},
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); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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r.ParseForm()
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tags := make([]int64, 0)
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for _, tag := range r.Form["tags"] {
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tagID, err := strconv.ParseInt(tag, 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tags = append(tags, tagID)
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}
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if err = db.UpdateArticleTags(id, tags); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
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}
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}
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func ShowUnpublishedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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unpublishedArticles, err := db.GetCertainArticles(false, false)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/unpublished-articles.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", unpublishedArticles)
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}
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}
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func ShowRejectedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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data := new(struct {
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MyIDs map[int64]bool
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RejectedArticles []*b.Article
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})
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data.RejectedArticles, err = db.GetCertainArticles(false, true)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.MyIDs = make(map[int64]bool)
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for _, article := range data.RejectedArticles {
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if article.AuthorID == session.Values["id"].(int64) {
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data.MyIDs[article.ID] = true
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}
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/rejected-articles.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", data)
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}
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}
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func ReviewUnpublishedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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data := new(struct {
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Article *b.Article
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Content template.HTML
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Tags []*b.Tag
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})
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id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.Article, err = db.GetArticle(id)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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articleAbsName := fmt.Sprint(c.ArticleDir, "/", data.Article.ID, ".md")
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contentBytes, err := os.ReadFile(articleAbsName)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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content, err := b.ConvertToHTML(string(contentBytes))
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.Content = template.HTML(content)
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data.Tags, err = db.GetArticleTags(data.Article.ID)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/to-be-published.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", data)
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}
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}
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func ReviewRejectedArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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data := new(struct {
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Selected map[int64]bool
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Article *b.Article
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Content string
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Tags []*b.Tag
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})
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id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.Article, err = db.GetArticle(id)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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articleAbsName := fmt.Sprint(c.ArticleDir, "/", data.Article.ID, ".md")
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contentBytes, err := os.ReadFile(articleAbsName)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.Content = string(contentBytes)
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data.Tags, err = db.GetTagList()
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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selectedTags, err := db.GetArticleTags(id)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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data.Selected = make(map[int64]bool)
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for _, tag := range selectedTags {
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data.Selected[tag.ID] = true
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/rework-article.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", data)
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}
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}
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func PublishArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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article, err := db.GetArticle(id)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = db.AddArticleToCurrentIssue(article.ID); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = db.UpdateAttributes(
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&b.Attribute{Table: "articles", ID: id, AttName: "published", Value: true},
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&b.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: false},
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&b.Attribute{Table: "articles", ID: id, AttName: "created", Value: time.Now().Format("2006-01-02 15:04:05")},
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); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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feed, err := b.GenerateRSS(c, db)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = b.SaveRSS(c.RSSFile, feed); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
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}
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}
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func RejectArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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session, err := getSession(w, r, c, s)
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if err != nil {
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return
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}
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id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if err = db.UpdateAttributes(
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&b.Attribute{Table: "articles", ID: id, AttName: "rejected", Value: true},
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); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
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tmpl = template.Must(tmpl, err)
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tmpl.ExecuteTemplate(w, "page-content", session.Values["role"])
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}
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}
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func ShowCurrentArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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articles, err := db.GetCurrentIssueArticles()
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/current-articles.html")
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template.Must(tmpl, err).ExecuteTemplate(w, "page-content", articles)
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}
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}
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func UploadArticleImage(c *b.Config, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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file, header, err := r.FormFile("article-image")
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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defer file.Close()
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nameStrings := strings.Split(header.Filename, ".")
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extension := "." + nameStrings[len(nameStrings)-1]
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filename := fmt.Sprint(uuid.New(), extension)
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absFilepath, err := filepath.Abs(fmt.Sprint(c.PicsDir, "/", filename))
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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img, err := os.Create(absFilepath)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer img.Close()
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if _, err = io.Copy(img, file); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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url := fmt.Sprint(c.Domain, "/image/serve/", filename)
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(url)
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}
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}
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func ShowPublishedArticles(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if _, err := getSession(w, r, c, s); err != nil {
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return
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}
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publishedArticles, err := db.GetCertainArticles(true, false)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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filteredArticles := make([]*b.Article, 0)
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for _, article := range publishedArticles {
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if !article.AutoGenerated {
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filteredArticles = append(filteredArticles, article)
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}
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}
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tmpl, err := template.ParseFiles(c.WebDir + "/templates/published-articles.html")
|
|
tmpl = template.Must(tmpl, err)
|
|
tmpl.ExecuteTemplate(w, "page-content", filteredArticles)
|
|
}
|
|
}
|
|
|
|
func ReviewArticleForDeletion(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
if _, err := getSession(w, r, c, s); err != nil {
|
|
return
|
|
}
|
|
|
|
var err error
|
|
data := new(struct {
|
|
Title string
|
|
Description string
|
|
Content template.HTML
|
|
Tags []*b.Tag
|
|
ID int64
|
|
})
|
|
|
|
data.ID, err = strconv.ParseInt(r.PathValue("id"), 10, 64)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
article, err := db.GetArticle(data.ID)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
data.Title, err = b.ConvertToPlain(article.Title)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
data.Description, err = b.ConvertToPlain(article.Description)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
articleAbsName := fmt.Sprint(c.ArticleDir, "/", article.ID, ".md")
|
|
contentBytes, err := os.ReadFile(articleAbsName)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
content, err := b.ConvertToHTML(string(contentBytes))
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
data.Content = template.HTML(content)
|
|
|
|
data.Tags, err = db.GetArticleTags(data.ID)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
tmpl, err := template.ParseFiles(c.WebDir + "/templates/to-be-deleted.html")
|
|
tmpl = template.Must(tmpl, err)
|
|
tmpl.ExecuteTemplate(w, "page-content", data)
|
|
}
|
|
}
|
|
|
|
func DeleteArticle(c *b.Config, db *b.DB, s *b.CookieStore) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
session, err := getSession(w, r, c, s)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
if err = db.DeleteArticle(id); err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
if err = os.Remove(fmt.Sprint(c.ArticleDir, "/", id, ".md")); err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
feed, err := b.GenerateRSS(c, db)
|
|
if err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
if err = b.SaveRSS(c.RSSFile, feed); err != nil {
|
|
log.Println(err)
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
tmpl, err := template.ParseFiles(c.WebDir + "/templates/hub.html")
|
|
tmpl = template.Must(tmpl, err)
|
|
tmpl.ExecuteTemplate(w, "page-content", session.Values["role"].(int))
|
|
}
|
|
}
|