add prev/next pictures for easier slide show mode

[photo-tags.git] / getjson.php

diff --git a/getjson.php b/getjson.php
index 83360e6118387d957fdf4a6b139e5c079ce20ab8..d5dab8b20bb637b5a5afbd7c8487de377688093d 100644 (file)
--- a/getjson.php
+++ b/getjson.php
@@ -23,12 +23,60 @@ if (isset($_REQUEST["S"]))
 
     $result = $DB->query("SELECT name FROM tags");
   }
+ else if (isset($_REQUEST["NP"]))
+  {
+    /* get +- 5 pics from ordered list to show next to a large image */
+
+    /* first create a temp table with all images and then use rowid to get +-5 images */
+
+    if (isset($_REQUEST["T"]))
+      {
+       /* single tag or part of tag */
+       $tags = $_REQUEST["T"];
+       $tags = explode(",",$tags);
+       $nrtags = count($tags);
+
+       foreach ($tags as $key => $value)
+         $tags[$key]=sqlite_escape_string(trim($value));
+       $tags = "'".implode("','",$tags)."'";
+
+       $DB->query("CREATE TEMP TABLE NEXTPREV AS SELECT base_uri, filename, p.id as id  FROM photo_tags pt, photos p, tags t".
+                  " WHERE pt.tag_id = t.id".
+                  " AND (t.name COLLATE NOCASE IN ($tags))".
+                  " AND p.id = pt.photo_id ".
+                  " GROUP BY p.id HAVING COUNT( p.id )=$nrtags");
+
+      }
+    else
+      {
+       $DB->query("CREATE TEMP TABLE NEXTPREV AS SELECT base_uri, filename, p.id as id FROM  photos p");
+      };
+
+    if (isset($_REQUEST["ID"]))
+      {
+       $ID=intval($_REQUEST["ID"]);
+       $result = $DB->query("SELECT * FROM NEXTPREV".
+                            " WHERE rowid > (select rowid from NEXTPREV where id=$ID) -5".
+                            "   AND rowid < (select rowid from NEXTPREV where id=$ID) +5");
+      }
+    else
+      {
+       $result = $DB->query("SELECT 1 where 1=2");
+      }
+
+  }
  else if (isset($_REQUEST["ID"]))
   {
     $id  = intval($_REQUEST["ID"]);
     $result = $DB->query("SELECT base_uri, filename, id FROM photos".
                         " WHERE id=$id");
   }
+ else if (isset($_REQUEST["CLOUD"]))
+  {
+    $result = $DB->query("SELECT t.name as name, count(*) as count FROM photo_tags pt ".
+                        " LEFT JOIN tags t on t.id=pt.tag_id".
+                        " GROUP BY t.id");
+  }
  else
   {
     if (isset($_REQUEST["P"]))