From 168e32b946731d57961b0774380bd5e979272c7f Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 18 Jun 2015 18:30:05 +0300
Subject: [PATCH] add basic classifier information window

---
 plugins/af_sort_bayes/init.js  | 22 +++++++++++++
 plugins/af_sort_bayes/init.php | 60 +++++++++++++++++++++++++++++++++-
 2 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/plugins/af_sort_bayes/init.js b/plugins/af_sort_bayes/init.js
index 461cdc7f3..bb6bf5954 100644
--- a/plugins/af_sort_bayes/init.js
+++ b/plugins/af_sort_bayes/init.js
@@ -57,3 +57,25 @@ function bayesUpdateUI() {
 		exception_error("showTrgmRelated", e);
 	}
 }
+
+function bayesShow(id) {
+	try {
+		if (dijit.byId("bayesShowDlg"))
+			dijit.byId("bayesShowDlg").destroyRecursive();
+
+		var query = "backend.php?op=pluginhandler&plugin=af_sort_bayes&method=showArticleStats&article_id=" + param_escape(id);
+
+		dialog = new dijit.Dialog({
+			id: "bayesShowDlg",
+			title: __("Classifier information"),
+			style: "width: 600px",
+			href: query});
+
+		dialog.show();
+
+	} catch (e) {
+		exception_error("shareArticle", e);
+	}
+}
+
+
diff --git a/plugins/af_sort_bayes/init.php b/plugins/af_sort_bayes/init.php
index 51294b46e..2293ea490 100644
--- a/plugins/af_sort_bayes/init.php
+++ b/plugins/af_sort_bayes/init.php
@@ -122,7 +122,11 @@ class Af_Sort_Bayes extends Plugin {
 		"<img src=\"plugins/af_sort_bayes/thumb_down.png\"
 			style=\"cursor : pointer\" style=\"cursor : pointer\"
 			onclick=\"bayesTrain(".$line["id"].", false, event)\"
-			class='tagsPic' title='".__('-1')."'>";
+			class='tagsPic' title='".__('-1')."'>" .
+		"<img src=\"plugins/af_sort_bayes/chart_bar.png\"
+			style=\"cursor : pointer\" style=\"cursor : pointer\"
+			onclick=\"bayesShow(".$line["id"].")\"
+			class='tagsPic' title='".__('Show classifier info')."'>";
 
 	}
 
@@ -345,6 +349,60 @@ class Af_Sort_Bayes extends Plugin {
 		$nb->updateProbabilities();
 	}
 
+	function showArticleStats() {
+		$article_id = (int) $_REQUEST["article_id"];
+
+		$result = $this->dbh->query("SELECT score, guid, title, content FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND id = " .
+			$article_id . " AND owner_uid = " . $_SESSION["uid"]);
+
+		if ($this->dbh->num_rows($result) != 0) {
+			$guid = $this->dbh->fetch_result($result, 0, "guid");
+			$title = $this->dbh->fetch_result($result, 0, "title");
+			$content = mb_strtolower($title . " " . strip_tags($this->dbh->fetch_result($result, 0, "content")));
+
+			print "<h2>" . $title . "</h2>";
+
+			$nbs = new NaiveBayesianStorage($_SESSION["uid"]);
+			$nb = new NaiveBayesian($nbs);
+
+			$categories = $nbs->getCategories();
+
+			$ref = $nbs->getReference($guid, false);
+
+			$current_cat = isset($ref["category_id"]) ? $categories[$ref["category_id"]]["category"] : "N/A";
+
+			print "<p>" . T_sprintf("Currently stored as: %s", $current_cat) . "</p>";
+
+			$result = $nb->categorize($content);
+
+			print "<h3>" . __("Classifier result") . "</h3>";
+
+			print "<table>";
+			print "<tr><th>Category</th><th>Probability</th></tr>";
+
+			foreach ($result as $k => $v) {
+				print "<tr>";
+				print "<td>" . $categories[$k]["category"] . "</td>";
+				print "<td>" . $v . "</td>";
+
+				print "</tr>";
+			}
+
+			print "</table>";
+
+		} else {
+			print_error("Article not found");
+		}
+
+		print "<div align='center'>";
+
+		print "<button dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('bayesShowDlg').hide()\">".
+			__('Close this window')."</button>";
+
+		print "</div>";
+
+	}
+
 	function api_version() {
 		return 2;
 	}