Implement Question object type support

This commit adds support for dealing with ActivityPub Questions, which
are polls. They are like Notes (posts) but contain a few more keys that
record information about the poll options, number of votes and poll
closure date.

4 files changed, 121 insertions, 20 deletions

diff --git a/src/activitypub/appost.h b/src/activitypub/appost.h
index a8b99c5..ccbedd9 100644
--- a/src/activitypub/appost.h
+++ b/src/activitypub/appost.h
@@ -1,28 +1,10 @@
 #pragma once
 
 #include "apobject.h"
-#include "src/activitypub/apbase.h"
-#include "src/types.h"
+#include "apbase.h"
+#include "fields.h"
 #include <vector>
 
-// All these fields (including APAttachmentFields, etc. in other files) are made to map to the fields present in the ActivityStream JSON's "object" for very easy construction.
-// There are additional fields that we don't use so they are not included in the objects (including parent and APActivity).
-
-struct APObjectFields {
-    QStringList to_actors; // Start APObject
-    QStringList cc_actors;
-    QString by_actor;
-    QString object_url;
-    QString web_url;
-    QString reply_to_url;
-    QString published;
-    std::vector<APAttachmentFields> attachments; // End APObject
-    QStringList languages; // This is taken from "content_map"
-    QString content;
-    QString summary;
-    StatusType visibility; // status type discovery is better left to the archive/API parser as this can very between fedi implementations and archive formats
-};
-
 // APPost represents an ActivityPub Note Object
 class APPost : public APObject {
 public:
diff --git a/src/activitypub/apquestion.cpp b/src/activitypub/apquestion.cpp
new file mode 100644
index 0000000..d519947
--- /dev/null
+++ b/src/activitypub/apquestion.cpp
@@ -0,0 +1,47 @@
+#include "apquestion.h"
+#include <QDebug>
+
+APQuestion::APQuestion(APObjectFields fields) : APPost(fields) {
+    end_time = QDateTime::fromString(fields.question.end_time, Qt::ISODate);
+    closed_time = QDateTime::fromString(fields.question.closed_time, Qt::ISODate);
+    total_votes = fields.question.total_votes;
+
+    for (APQuestionFields::Option elem : fields.question.poll_options) {
+        options.push_back({elem.name, elem.votes});
+    }
+
+    qDebug() << options.size();
+}
+
+QString APQuestion::get_html_render(HtmlRenderDetails render_info) {
+    QString html(APPost::get_html_render(render_info));
+    html.append(get_html_template("appoll"));
+
+    if (end_time.isValid()) {
+        // TODO: add a UI setting for configuring the display of local time or UTC time.
+        html.replace("{{end-time}}", render_info.locale->toString(end_time.toLocalTime()));
+    }
+    if (closed_time.isValid()) {
+        // TODO: add a UI setting for configuring the display of local time or UTC time.
+        html.replace("{{closed-time}}", render_info.locale->toString(closed_time.toLocalTime()));
+    }
+
+    html.replace("{{total-votes}}", render_info.locale->toString(total_votes));
+    html.replace("{{options}}", get_html_poll_options(render_info));
+
+    return html;
+}
+
+QString APQuestion::get_html_poll_options(HtmlRenderDetails render_info) {
+    QString full;
+
+    for (PollOption option : options) {
+        QString html(get_html_template("appoll_item"));
+        html.replace("{{name}}", option.name);
+        html.replace("{{votes}}", render_info.locale->toString(option.votes));
+        html.replace("{{votes-percent}}", render_info.locale->toString((int)((float)option.votes/(float)total_votes * 100)));
+        full.append(html);
+    }
+
+    return full;
+}
diff --git a/src/activitypub/apquestion.h b/src/activitypub/apquestion.h
new file mode 100644
index 0000000..350ceec
--- /dev/null
+++ b/src/activitypub/apquestion.h
@@ -0,0 +1,34 @@
+#pragma once
+
+#include "appost.h"
+#include "apbase.h"
+#include "fields.h"
+#include <vector>
+#include <list>
+
+// APQuestion represents an ActivityPub Question Object
+class APQuestion : public APPost {
+public:
+    APQuestion();
+    // A post that will be built from strings, including attachments
+    APQuestion(APObjectFields fields);
+    ~APQuestion() {};
+
+    QString get_html_render(HtmlRenderDetails render_info);
+
+protected:
+    struct PollOption {
+        QString name;
+        int votes;
+    };
+    typedef std::vector<PollOption> PollOptionList;
+
+    QDateTime end_time;
+    QDateTime closed_time;
+
+    int total_votes = 0;
+
+    PollOptionList options;
+
+    QString get_html_poll_options(HtmlRenderDetails render_info);
+};
diff --git a/src/activitypub/fields.h b/src/activitypub/fields.h
new file mode 100644
index 0000000..25ed246
--- /dev/null
+++ b/src/activitypub/fields.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "src/types.h"
+#include <QString>
+#include <vector>
+
+enum struct APObjectType {NOTE, QUESTION, UNKNOWN};
+
+// All these fields (including APAttachmentFields, etc. in other files) are made to map to the fields present in the ActivityStream JSON's "object" for very easy construction.
+// There are additional fields that we don't use so they are not included in the objects (including parent and APActivity).
+
+struct APQuestionFields {
+    QString end_time;
+    QString closed_time;
+    int total_votes;
+    struct Option {
+        QString name;
+        int votes;
+    };
+    std::vector<Option> poll_options;
+};
+
+struct APObjectFields {
+    QStringList to_actors; // Start APObject
+    QStringList cc_actors;
+    QString by_actor;
+    QString object_url;
+    QString web_url;
+    QString reply_to_url;
+    QString published;
+    std::vector<APAttachmentFields> attachments; // End APObject
+    QStringList languages; // This is taken from "content_map"
+    QString content;
+    QString summary;
+    StatusType visibility; // status type discovery is better left to the archive/API parser as this can very between fedi implementations and archive formats
+
+    APQuestionFields question = {}; // only fill if it's of type Question.
+};