Example #1
0
// SetPost sets the post with the id in the url in the context and template data.
func (m *Middleware) SetPost(next http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		postID, err := strconv.ParseInt(vars["postID"], 10, 64)
		if err != nil {
			httperror.HandleError(w, httperror.StatusError{http.StatusBadRequest, err})
			return
		}

		pm := models.NewPostModel(m.App.DB)
		topic := context.Topic(r)
		post, err := pm.FindOne(nil, squirrel.Eq{"posts.id": postID, "posts.topic_id": topic.ID})
		if err != nil {
			httperror.HandleError(w, errors.Wrap(err, "find one error"))
			return
		}
		context.SetPost(r, post)

		templateData := context.TemplateData(r)
		templateData["Post"] = post

		next.ServeHTTP(w, r)
	}

	return http.HandlerFunc(fn)
}
Example #2
0
func getNewPost(a *application.App, w http.ResponseWriter, r *http.Request) error {
	topic := context.Topic(r)

	tm := models.NewTagModel(a.DB)
	tags, err := tm.Find(nil, squirrel.Eq{"tags.topic_id": topic.ID})
	if err != nil {
		return errors.Wrap(err, "find error")
	}

	data := context.TemplateData(r)
	data["Tags"] = tags
	return libtemplate.Render(w, a.Templates, "new_post.html", data)
}
Example #3
0
func postNewTag(a *application.App, w http.ResponseWriter, r *http.Request) error {
	topic := context.Topic(r)
	name := r.FormValue("name")

	tm := models.NewTagModel(a.DB)
	tag := &models.Tag{Name: name, Topic: topic}
	if err := tm.Add(nil, tag); err != nil {
		return err
	}

	http.Redirect(w, r, tag.Topic.URL(), http.StatusFound)
	return nil
}
Example #4
0
func postNewPost(a *application.App, w http.ResponseWriter, r *http.Request) (err error) {
	title := r.FormValue("title")
	text := r.FormValue("text")
	topic := context.Topic(r)
	user, _ := context.SessionUser(r)

	// we want the post and tags to be created together so use one tx. If one part fails the rest won't be committed.
	tx, err := a.DB.Beginx()
	if err != nil {
		return errors.Wrap(err, "begin transacion error")
	}

	defer func() {
		if err != nil {
			tx.Rollback()
			return
		}
		err = tx.Commit()
		err = errors.Wrap(err, "commit error")
	}()

	postModel := models.NewPostModel(a.DB)
	post := &models.Post{Title: title, Content: text, Topic: topic, Creator: user}
	if err = postModel.Add(tx, post); err != nil {
		return errors.Wrap(err, "add post error")
	}

	tagIDStr := r.FormValue("tag")
	if tagIDStr != "" {
		tagID, err := strconv.ParseInt(tagIDStr, 10, 64)
		if err != nil {
			return httperror.StatusError{http.StatusBadRequest, err}
		}

		tagModel := models.NewTagModel(a.DB)
		tag, err := tagModel.FindOne(nil, squirrel.Eq{"tags.id": tagID})
		if err != nil {
			return errors.Wrap(err, "find one error")
		}

		if err = tagModel.AddPostTag(tx, post, tag); err != nil {
			return errors.Wrap(err, "add post tag error")
		}
	}

	http.Redirect(w, r, post.URL(), http.StatusFound)
	return nil
}
Example #5
0
// SetTag sets the tag with name in the url in the context and template data.
func (m *Middleware) SetTag(next http.Handler) http.Handler {
	fn := func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		tagName := strings.ToLower(vars["tagName"])
		topic := context.Topic(r)

		tm := models.NewTagModel(m.App.DB)
		tag, err := tm.FindOne(nil, squirrel.Eq{"tags.name": tagName, "tags.topic_id": topic.ID})
		if err != nil {
			httperror.HandleError(w, errors.Wrap(err, "find one error"))
			return
		}

		context.SetTag(r, tag)

		templateData := context.TemplateData(r)
		templateData["Tag"] = tag
		next.ServeHTTP(w, r)
	}
	return http.HandlerFunc(fn)
}
Example #6
0
func getPosts(a *application.App, w http.ResponseWriter, r *http.Request) error {
	topic := context.Topic(r)

	whereEq := squirrel.Eq{"posts.topic_id": topic.ID, "posts.is_pinned": true}

	pm := models.NewPostModel(a.DB)
	pinnedPosts, err := pm.Find(nil, whereEq)
	switch {
	case err == sql.ErrNoRows:
		pinnedPosts = make([]*models.Post, 0)
	case err != nil:
		return errors.Wrap(err, "find error")
	}

	whereEq["posts.is_pinned"] = false
	unpinnedPosts, err := pm.Find(nil, whereEq)
	switch {
	case err == sql.ErrNoRows:
		unpinnedPosts = make([]*models.Post, 0)
	case err != nil:
		return errors.Wrap(err, "find error")
	}

	tagModel := models.NewTagModel(a.DB)
	tags, err := tagModel.Find(nil, squirrel.Eq{"tags.topic_id": topic.ID})
	if err != nil {
		return errors.Wrap(err, "find error")
	}

	data := context.TemplateData(r)
	data["PinnedPosts"] = pinnedPosts
	data["UnpinnedPosts"] = unpinnedPosts
	data["Tags"] = tags

	if err = addUserUpvotedPostIDsToData(r, pm, data); err != nil {
		return errors.Wrap(err, "add upvoted post ids to data error")
	}

	return libtemplate.Render(w, a.Templates, "posts.html", data)
}