X-Git-Url: https://git.nubati.net/cgi-bin/gitweb.cgi?p=photo-tags.git;a=blobdiff_plain;f=getjson.php;h=3e4cf4d4e9470245a2997c030c200ca27e8e9eb8;hp=6026776775ea5a5278becd77e0289b806b0bfceb;hb=f28ee54de58df18b6436d127b6dc06fa95eec8ea;hpb=db1b03220d1d9eced86e6177f6787e59e5fd69a5

diff --git a/getjson.php b/getjson.php
index 6026776..3e4cf4d 100644
--- a/getjson.php
+++ b/getjson.php
@@ -9,46 +9,166 @@ $usePDO=$iniarray["usePDO"];
 $N=$iniarray["pics_per_page"];
 /* end parse ini-file */
 
-if (isset($_REQUEST["P"]))
-  $OFFSET = "".($_REQUEST["P"]*$N-$N).",";
-else
-  $OFFSET = "";
-
 if($usePDO)
   $DB = new PDO("sqlite:$DBFILE");
 else
   $DB = new SQlite3($DBFILE);
 
-$result = $DB->query("SELECT * FROM photos LIMIT $OFFSET $N");
 
-$row = array();
+/* do database query */
+if (isset($_REQUEST["S"]))
+  {
+    /* single tag or part of tag */
+    $tag = sqlite_escape_string($_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"]) && !isset($_REQUEST["C"]))
+  {
+    $id  = intval($_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"]))
+      $OFFSET = "".(intval($_REQUEST["P"])*$N-$N);
+    else
+      $OFFSET = "0";
+
+    if (isset($_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)."'";
+
+	/* individual tags are seperated by ',' */
+
+	/* use and AND query between tags as a default
+	 a good explanation on different ways of doing this can be found at:
+	 http://www.pui.ch/phred/archives/2005/04/tags-database-schemas.html
+	*/
+
+	if (isset($_REQUEST["C"]))
+	  {
+	    $DB->query("CREATE TEMP TABLE TEMPPICS AS SELECT p.id as id FROM photo_tags pt, photos p, tags t".
+		       " WHERE pt.tag_id = t.id".
+		       " AND (t.name COLLATE NOCASE IN ($tags))".
+		       " AND p.id = pt.photo_id ".
+		       " GROUP BY p.id HAVING COUNT( p.id )=$nrtags");
+
+	    if (isset($_REQUEST["ID"]))
+	      {
+		$ID = $_REQUEST["ID"];
+		$result = $DB->query("SELECT count(*) as total, (SELECT rowid from TEMPPICS WHERE id = $ID) as row from TEMPPICS");
+	      }
+	    else
+	      $result = $DB->query("SELECT count(*) as total, -1 as row from TEMPPICS");
+	  }
+	else
+	  {
+	    $result = $DB->query("SELECT base_uri, filename, p.id as id  FROM photo_tags pt, photos p, tags t".
+				 " WHERE pt.tag_id = t.id".
+				 " AND (t.name COLLATE NOCASE IN ($tags))".
+				 " AND p.id = pt.photo_id ".
+				 " GROUP BY p.id HAVING COUNT( p.id )=$nrtags".
+				 "    LIMIT $OFFSET, $N");
+	  }
+      }
+    else
+      {
+	if (isset($_REQUEST["C"]))
+	  {
+	    $DB->query("CREATE TEMP TABLE TEMPPICS AS SELECT id from photos");
 
-$i = 0;
+	    if (isset($_REQUEST["ID"]))
+	      {
+		$ID = $_REQUEST["ID"];
+		$result = $DB->query("SELECT count(*) as total, (SELECT rowid FROM TEMPPICS WHERE id=$ID) as row FROM TEMPPICS");
+	      }
+	    else
+	      $result = $DB->query("SELECT count(*) as total, -1 as row FROM TEMPPICS");
+	  }
+	else
+	  $result = $DB->query("SELECT * FROM photos LIMIT $OFFSET, $N");
+      }
+  }
 
+/* encode result as an array */
+$tmp=array();
 if(!$usePDO)
   {
     /* convert results into array */
-    $tmp=array();
-    while($res = $result->fetchArray(SQLITE3_ASSOC)){
+    while($res = $result->fetchArray(SQLITE3_ASSOC))
       $tmp[]=$res;
-    }
-    $result=$tmp;
   }
+else
+  {
+    foreach($result as $res)
+      $tmp[]=$res;
+  }
+$result=$tmp;
 
-foreach ($result as $res)
-{
-  $row[$i] = $res;
-  $i++;
-}
-
-
-echo json_encode($row);
+echo json_encode($result);
 
 /* close the database */
 if($usePDO)
   $DB=null;
 else
-  sqlite_close($DB);
+  $DB->close();
+
 
 ?>