feat: hashtags

- search results are now ActionRows and display information about usage
- you can now (un)follow hashtags

meson.build

@@ -77,6 +77,7 @@ sources = files(
     'src/API/SearchResults.vala',
     'src/API/Status.vala',
     'src/API/Tag.vala',
+    'src/API/TagHistory.vala',
     'src/API/Poll.vala',
     'src/API/PollOption.vala',
     'src/Application.vala',

src/API/Entity.vala

@@ -100,6 +100,9 @@ public class Tooth.Entity : GLib.Object, Widgetizable, Json.Serializable {
 				case "hashtags":
 					contains = typeof (API.Tag);
 					break;
+				case "history":
+					contains = typeof (API.TagHistory);
+					break;
 				default:
 					contains = typeof (Entity);
 					break;

src/API/Poll.vala

@@ -7,7 +7,6 @@ public class Tooth.API.Poll : GLib.Object, Json.Serializable{
     public bool expired { get; set; }
     public bool multiple { get; set; }
     public int64 votes_count { get; set; }
-    public int64 voters_count { get; set; }
     public bool voted { get; set; default = true;}
     public ArrayList<int> own_votes { get; set; }
     public ArrayList<PollOption>? options{ get; set; default = null; }

src/API/Tag.vala

@@ -4,17 +4,41 @@ public class Tooth.API.Tag : Entity, Widgetizable {
 
     public string name { get; set; }
     public string url { get; set; }
+	public Gee.ArrayList<API.TagHistory>? history { get; set; default = null; }
+	public bool following { get; set; default = false; }
 
 	public static Tag from (Json.Node node) throws Error {
 		return Entity.from_json (typeof (API.Tag), node) as API.Tag;
 	}
 
+	public override void open () {
+	}
+
 	public override Widget to_widget () {
-		var encoded = Soup.URI.encode (name, null);
-		var w = new Widgets.RichLabel (@"<a href=\"$(accounts.active.instance)/tags/$encoded\">#$name</a>");
-		w.halign = Align.START;
-		w.show ();
+		var w = new Adw.ActionRow () {
+			title = @"#$name",
+			activatable = true
+		};
+		if (history != null && history.size > 0) {
+			var last_history_entry = history.get(0);
+			var total_uses = int.parse (last_history_entry.uses);
+			var total_accounts = int.parse (last_history_entry.accounts);
+			var suffix = _("yesterday");
+
+			if (history.size > 1) {
+				last_history_entry = history.get(1);
+				total_uses += int.parse (last_history_entry.uses);
+				total_accounts += int.parse (last_history_entry.accounts);
+				suffix = _("in the past 2 days");
+			}
+
+			w.subtitle = _("Used %d times by %d people %s").printf (total_uses, total_accounts, suffix);
+		}
+		w.activated.connect(on_activated);
 		return w;
 	}
 
+	protected void on_activated () {
+		app.main_window.open_view (new Views.Hashtag (name, following));
+	}
 }

src/API/TagHistory.vala

@@ -0,0 +1,5 @@
+public class Tooth.API.TagHistory : Entity {
+	public string day { get; set; default = ""; }
+	public string accounts { get; set; default = "0"; }
+	public string uses { get; set; default = "0"; }
+}

src/Views/Hashtag.vala

@@ -1,14 +1,81 @@
 public class Tooth.Views.Hashtag : Views.Timeline {
 
-    public Hashtag (string tag) {
+    bool t_following = false;
+    string t_tag = "";
+    public Hashtag (string tag, bool? following = null) {
         Object (
-        	url: @"/api/v1/timelines/tag/$tag",
-        	label: "#"+tag
+            url: @"/api/v1/timelines/tag/$tag",
+            label: "#"+tag
         );
+
+        t_tag = tag;
+        if (following != null) {
+            t_following = following;
+            create_follow_button();
+        } else {
+            init_tag();
+        }
+    }
+
+    Gtk.Button follow_tag_btn = new Gtk.Button.with_label(_("Follow"));
+    private void create_follow_button() {
+        if (t_following) {
+            follow_tag_btn.label = _("Unfollow");
+            follow_tag_btn.add_css_class("destructive-action");
+        } else {
+            follow_tag_btn.add_css_class("suggested-action");
+        }
+        follow_tag_btn.clicked.connect(follow);
+
+        header.pack_end(follow_tag_btn);
+    }
+
+    private void update_button() {
+        if (t_following) {
+            follow_tag_btn.label = _("Follow");
+            follow_tag_btn.remove_css_class("destructive-action");
+            follow_tag_btn.add_css_class("suggested-action");
+        } else {
+            follow_tag_btn.label = _("Unfollow");
+            follow_tag_btn.remove_css_class("suggested-action");
+            follow_tag_btn.add_css_class("destructive-action");
+        }
+        t_following = !t_following;
+    }
+
+    private void follow() {
+        var action = "follow";
+        if (t_following) {
+            action = "unfollow";
+        }
+        update_button();
+
+        new Request.POST (@"/api/v1/tags/$t_tag/$action")
+            .with_account (accounts.active)
+            .then ((sess, msg) => {
+                var root = network.parse (msg);
+				if (!root.has_member("following")) {
+                    update_button();
+                };
+            })
+            .exec ();
+    }
+
+    private void init_tag() {
+        new Request.GET (@"/api/v1/tags/$t_tag")
+            .with_account (accounts.active)
+            .then ((sess, msg) => {
+                var node = network.parse_node (msg);
+				var tag_info = API.Tag.from (node);
+                t_following = tag_info.following;
+                create_follow_button();
+            })
+            .exec ();
     }
 
     public override string? get_stream_url () {
-        var tag = url.substring (4);
+        var split_url = url.split ("/");
+        var tag = split_url[split_url.length - 1];
         return account != null ? @"$(account.instance)/api/v1/streaming/?stream=hashtag&tag=$tag&access_token=$(account.access_token)" : null;
     }
 

src/Widgets/RichLabel.vala

@@ -88,7 +88,7 @@ public class Tooth.Widgets.RichLabel : Adw.Bin {
 		if ("/tags/" in url) {
 			var encoded = url.split ("/tags/")[1];
 			var tag = Soup.URI.decode (encoded);
-			app.main_window.open_view (new Views.Hashtag (tag));
+			app.main_window.open_view (new Views.Hashtag (tag, null));
 			return true;
 		}
 

src/Widgets/RichLabelContainer.vala

@@ -49,7 +49,7 @@ public class Tooth.Widgets.RichLabelContainer : Adw.Bin {
 		if ("/tags/" in on_click_url) {
 			var encoded = on_click_url.split ("/tags/")[1];
 			var tag = Soup.URI.decode (encoded);
-			app.main_window.open_view (new Views.Hashtag (tag));
+			app.main_window.open_view (new Views.Hashtag (tag, null));
 			return;
 		}