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/*
* Copyright (C) 2009 Emweb bvba, Kessel-Lo, Belgium.
*
* See the LICENSE file for terms of use.
*/
#include "CommentView.h"
#include "../model/BlogSession.h"
#include "../model/Comment.h"
#include "../model/Tag.h"
#include "../model/Token.h"
#include "../model/User.h"
#include "../model/Post.h"
#include <Wt/WContainerWidget>
#include <Wt/WPushButton>
#include <Wt/WTemplate>
#include <Wt/WText>
#include <Wt/WTextArea>
using namespace Wt;
namespace dbo = Wt::Dbo;
CommentView::CommentView(BlogSession& session, dbo::ptr<Comment> comment)
: session_(session),
comment_(comment)
{
comment_ = comment;
renderView();
}
CommentView::CommentView(BlogSession& session, long long parentId)
: session_(session)
{
dbo::ptr<Comment> parent = session_.load<Comment>(parentId);
comment_.reset(new Comment);
comment_.modify()->parent = parent;
comment_.modify()->post = parent->post;
edit();
}
bool CommentView::isNew() const
{
return comment_.id() == -1;
}
void CommentView::edit()
{
clear();
dbo::Transaction t(session_);
setTemplateText(tr("blog-edit-comment"));
editArea_ = new WTextArea();
editArea_->setText(comment_->textSrc());
editArea_->setFocus();
WPushButton *save = new WPushButton(tr("save"));
save->clicked().connect(this, &CommentView::save);
WPushButton *cancel = new WPushButton(tr("cancel"));
cancel->clicked().connect(this, &CommentView::cancel);
bindWidget("area", editArea_);
bindWidget("save", save);
bindWidget("cancel", cancel);
t.commit();
}
void CommentView::cancel()
{
if (isNew())
delete this;
else {
dbo::Transaction t(session_);
renderView();
t.commit();
}
}
void CommentView::renderTemplate(std::ostream& result)
{
dbo::Transaction t(session_);
WTemplate::renderTemplate(result);
comment_.purge();
t.commit();
}
void CommentView::resolveString(const std::string& varName,
const std::vector<WString>& args,
std::ostream& result)
{
if (varName == "author")
format(result, comment_->author ? comment_->author->name : "anonymous");
else if (varName == "date")
format(result, comment_->date.timeTo(WDateTime::currentDateTime())
+ " ago");
else if (varName == "contents")
format(result, comment_->textHtml(), XHTMLText);
else
WTemplate::resolveString(varName, args, result);
}
void CommentView::renderView()
{
clear();
bool isRootComment = !comment_->parent;
setTemplateText(isRootComment ? tr("blog-root-comment")
: tr("blog-comment"));
bindString("collapse-expand", WString::Empty); // NYI
WText *replyText = new WText(isRootComment ? tr("comment-add")
: tr("comment-reply"));
replyText->setStyleClass("link");
replyText->clicked().connect(this, &CommentView::reply);
bindWidget("reply", replyText);
bool mayEdit = session_.user()
&& (comment_->author == session_.user()
|| session_.user()->role == User::Admin);
if (mayEdit) {
WText *editText = new WText(tr("comment-edit"));
editText->setStyleClass("link");
editText->clicked().connect(this, &CommentView::edit);
bindWidget("edit", editText);
} else
bindString("edit", WString::Empty);
bool mayDelete
= (session_.user() && session_.user() == comment_->author)
|| session_.user() == comment_->post->author;
if (mayDelete) {
WText *deleteText = new WText(tr("comment-delete"));
deleteText->setStyleClass("link");
deleteText->clicked().connect(this, &CommentView::rm);
bindWidget("delete", deleteText);
} else
bindString("delete", WString::Empty);
typedef std::vector< dbo::ptr<Comment> > CommentVector;
CommentVector comments;
{
dbo::collection<dbo::ptr<Comment> > cmts
= comment_->children.find().orderBy("date");
comments.insert(comments.end(), cmts.begin(), cmts.end());
}
WContainerWidget *children = new WContainerWidget();
for (int i = (int)comments.size() - 1; i >= 0; --i)
children->addWidget(new CommentView(session_, comments[i]));
bindWidget("children", children);
}
void CommentView::save()
{
dbo::Transaction t(session_);
bool isNew = comment_.id() == -1;
Comment *comment = comment_.modify();
comment->setText(editArea_->text());
if (isNew) {
session_.add(comment_);
comment->date = WDateTime::currentDateTime();
comment->author = session_.user();
session_.commentsChanged().emit(comment_);
}
renderView();
t.commit();
}
void CommentView::reply()
{
dbo::Transaction t(session_);
WContainerWidget *c = resolve<WContainerWidget *>("children");
c->insertWidget(0, new CommentView(session_, comment_.id()));
t.commit();
}
void CommentView::rm()
{
dbo::Transaction t(session_);
comment_.modify()->setDeleted();
renderView();
t.commit();
}
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