Add tag functionality to documents

add_document_modal.php

@@ -14,6 +14,32 @@
           <div class="form-group">
             <input type="text" class="form-control" name="name" placeholder="Name" required autofocus>
           </div>
+          <?php
+          if($document_tags) {
+            foreach($document_tags as $document_tag) {
+          ?>
+            <!-- Document Tags select start -->
+          <div class="form-group">
+              <div class="button-group">
+                  <button type="button" class="btn btn-default btn-sm dropdown-toggle" data-toggle="dropdown">
+                      <span class="fa fa-fw fa-tag"></span> <span class="caret"></span>
+                  </button>
+                  <ul class="dropdown-menu">
+                    <li>
+                        <div class="form-check">
+                            <label>
+                                <input class="form-check-input" type="checkbox" value="<?php echo $document_tag['tag_id'] ?>" name="tags_ids[<?php echo $document_tag['tag_id']; ?>]"> <?php echo htmlentities($document_tag['tag_name']); ?>
+                            </label>
+                        </div>
+                    </li>
+                  </ul>
+              </div>
+          </div>
+            <!-- Document tags select end -->
+          <?php
+            }
+          }
+          ?>
           
           <div class="form-group">
             <textarea class="form-control summernote" name="content"></textarea>

client_documents.php

@@ -36,14 +36,42 @@ if(isset($_GET['o'])){
   $disp = "DESC";
 }
 
+# Tag from GET
+if (isset($_GET['tag'])) {
+    $tag = intval($_GET['tag']);
+    # Avoid doubling up
+    unset($_GET['tag']);
+}
+else {
+    $tag = '';
+}
+
 //Rebuild URL
 $url_query_strings_sb = http_build_query(array_merge($_GET,array('sb' => $sb, 'o' => $o)));
- 
-$sql = mysqli_query($mysqli,"SELECT SQL_CALC_FOUND_ROWS * FROM documents 
+
+# Currently using two separate queries: one with and one without tags
+# If we use a query with tags with no tags set (or even %), then documents appear twice
+
+$sql_no_tag = "SELECT SQL_CALC_FOUND_ROWS * FROM documents
   WHERE document_client_id = $client_id
   AND documents.company_id = $session_company_id
-  AND (document_name LIKE '%$q%' OR document_content LIKE '%$q%') 
-  ORDER BY $sb $o LIMIT $record_from, $record_to");
+  AND (document_name LIKE '%$q%' OR document_content LIKE '%$q%')
+  ORDER BY $sb $o LIMIT $record_from, $record_to";
+
+$sql_with_tag = "SELECT SQL_CALC_FOUND_ROWS * FROM documents
+  LEFT JOIN documents_tagged ON documents.document_id = documents_tagged.document_id
+  WHERE document_client_id = $client_id
+  AND documents.company_id = $session_company_id
+  AND (document_name LIKE '%$q%' OR document_content LIKE '%$q%')
+  AND documents_tagged.tag_id LIKE '%$tag%'
+  ORDER BY $sb $o LIMIT $record_from, $record_to";
+
+if (empty($tag)) {
+    $sql = mysqli_query($mysqli, $sql_no_tag);
+}
+else {
+    $sql = mysqli_query($mysqli, $sql_with_tag);
+}
 
 $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
 
@@ -54,9 +82,24 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
     <h3 class="card-title mt-2"><i class="fa fa-fw fa-file-alt"></i> Documents</h3>
     <div class="card-tools">
       <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#addDocumentModal"><i class="fas fa-fw fa-plus"></i> New Document</button>
+      <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#manageTagsModal"><i class="fas fa-fw fa-tags"></i> Tags</button>
     </div>
   </div>
   <div class="card-body">
+      <div class="form-group">
+      <?php
+      # Show client document tags from database, allow user to filter documents using these
+      $document_tags = mysqli_query($mysqli, "SELECT tag_id, tag_name FROM document_tags WHERE client_id = $client_id ORDER BY tag_name");
+      if (mysqli_num_rows($document_tags) > 0) {
+          foreach($document_tags as $document_tag) {
+              echo "<a href='?$url_query_strings_sb&tag=$document_tag[tag_id]' class=\"btn btn-outline-primary btn-lg mr-1\">"; echo htmlentities($document_tag['tag_name']); echo "</a>";
+          }
+      }
+      else {
+          $document_tags = FALSE;
+      }
+       ?>
+      </div>
     <form autocomplete="off">
       <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
       <input type="hidden" name="tab" value="<?php echo $_GET['tab']; ?>">
@@ -97,6 +140,16 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
             $document_created_at = $row['document_created_at'];
             $document_updated_at = $row['document_updated_at'];
 
+            // Get the tags set for the current document, store them as $document_tags_set
+            // There is probably a nicer way to do this, but this works.
+            $query_tags_set = mysqli_query($mysqli, "SELECT tag_id FROM documents_tagged WHERE document_id = $document_id");
+            $document_tags_set = array();
+            if ($query_tags_set){
+                foreach($query_tags_set as $query_tag) {
+                    array_push($document_tags_set, $query_tag['tag_id']);
+                }
+            }
+
           ?>
 
           <tr>
@@ -134,4 +187,5 @@ $num_rows = mysqli_fetch_row(mysqli_query($mysqli,"SELECT FOUND_ROWS()"));
   </div>
 </div>
 
-<?php include("add_document_modal.php"); ?>
+<?php include("add_document_modal.php"); ?>
+<?php include("manage_document_tags_modal.php"); ?>

db.sql

@@ -354,6 +354,30 @@ CREATE TABLE `documents` (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 /*!40101 SET character_set_client = @saved_cs_client */;
 
+--
+-- Table structure for table `documents_tagged`
+--
+
+DROP TABLE IF EXISTS `documents_tagged`;
+CREATE TABLE IF NOT EXISTS `documents_tagged` (
+  `document_id` int(11) NOT NULL,
+  `tag_id` int(11) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+COMMIT;
+
+--
+-- Table structure for table `document_tags`
+--
+
+DROP TABLE IF EXISTS `document_tags`;
+CREATE TABLE IF NOT EXISTS `document_tags` (
+  `tag_id` int(11) NOT NULL AUTO_INCREMENT,
+  `client_id` int(11) NOT NULL,
+  `tag_name` varchar(15) NOT NULL,
+  PRIMARY KEY (`tag_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+COMMIT;
+
 --
 -- Table structure for table `domains`
 --

edit_document_modal.php

@@ -14,6 +14,34 @@
           <div class="form-group">
             <input type="text" class="form-control" name="name" value="<?php echo $document_name; ?>" placeholder="Name" required>
           </div>
+
+          <!-- Document Tags select start -->
+          <?php
+          if($document_tags) { ?>
+              <div class="form-group">
+                    <div class="button-group">
+                        <button type="button" class="btn btn-default btn-sm dropdown-toggle" data-toggle="dropdown">
+                            <span class="fa fa-fw fa-tag"></span> <span class="caret"></span>
+                        </button>
+                        <ul class="dropdown-menu">
+                                <?php
+                                foreach($document_tags as $document_tag) {
+                                    ?>
+                                    <li>
+                                        <div class="form-check">
+                                            <label>
+                                                <input class="form-check-input" type="checkbox" value="<?php echo $document_tag['tag_id'] ?>" name="tags_ids[<?php echo $document_tag['tag_id']; ?>]" <?php if(in_array($document_tag['tag_id'],$document_tags_set)) {echo "checked";} ?>> <?php echo htmlentities($document_tag['tag_name']); ?>
+                                            </label>
+                                        </div>
+                                    </li>
+                                <?php
+                                } ?>
+                        </ul>
+                    </div>
+              </div>
+          <?php
+          } ?>
+          <!-- Document tags select end -->
           
           <div class="form-group">
             <textarea class="form-control summernote" name="content"><?php echo $document_content; ?></textarea>

manage_document_tags_modal.php

@@ -0,0 +1,60 @@
+<div class="modal" id="manageTagsModal" tabindex="-1">
+    <div class="modal-dialog modal-md">
+        <div class="modal-content bg-dark">
+            <div class="modal-header">
+                <h5 class="modal-title"><i class="fa fa-fw fa-tags"></i> Manage Tags</h5>
+                <button type="button" class="close text-white" data-dismiss="modal">
+                    <span>&times;</span>
+                </button>
+            </div>
+            <div class="modal-body bg-white">
+                <form action="post.php" method="post" autocomplete="off">
+                    <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
+                    <div class="form-group">
+                        <input type="text" class="form-control" name="tag_name" placeholder="Tag Name" autofocus>
+                    </div>
+                    <button type="submit" name="add_document_tag" class="btn btn-primary">Add Tag</button>
+                </form>
+                <?php
+                // Only show the edit/update tags if we have tags to work with
+                if ($document_tags) { ?>
+                <hr>
+                <form action="post.php" method="post" autocomplete="off">
+                    <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
+                    <div class="form-group">
+                        <select class="form-select" name="tag_id">
+                            <?php
+                            foreach($document_tags as $document_tag) {
+                                echo "<option value='$document_tag[tag_id]'>"; echo htmlentities($document_tag['tag_name']); echo "</option>";
+                            }
+                            ?>
+                        </select>
+                    </div>
+                    <button type="submit" name="delete_document_tag" class="btn btn-danger">Delete Tag</button>
+                </form>
+                <hr>
+                <form action="post.php" method="post" autocomplete="off">
+                    <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
+                    <div class="form-group">
+                        <select class="form-select" name="tag_id">
+                            <?php
+                            foreach($document_tags as $document_tag) {
+                                echo "<option value='$document_tag[tag_id]'>"; echo htmlentities($document_tag['tag_name']); echo "</option>";
+                            }
+                            ?>
+                        </select>
+                    </div>
+                    <div class="form-group">
+                        <input type="text" class="form-control" name="tag_new_name" placeholder="Tag Name" autofocus>
+                    </div>
+                    <button type="submit" name="rename_document_tag" class="btn btn-primary">Rename Tag</button>
+                </form>
+            </div>
+                <?php }
+                ?>
+                <div class="modal-footer bg-white">
+                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
+                </div>
+        </div>
+    </div>
+</div>

post.php

@@ -5036,13 +5036,23 @@ if(isset($_POST['add_document'])){
 
     $client_id = intval($_POST['client_id']);
     $name = trim(strip_tags(mysqli_real_escape_string($mysqli,$_POST['name'])));
+    $tags_ids = $_POST['tags_ids'];
     $content = trim(mysqli_real_escape_string($mysqli,$_POST['content']));
 
-    mysqli_query($mysqli,"INSERT INTO documents SET document_name = '$name', document_content = '$content', document_created_at = NOW(), document_client_id = $client_id, company_id = $session_company_id");
+    // Document add query
+    $add_document = mysqli_query($mysqli,"INSERT INTO documents SET document_name = '$name', document_content = '$content', document_created_at = NOW(), document_client_id = $client_id, company_id = $session_company_id");
+    $document_id = $mysqli->insert_id;
 
-    //Logging
+    // Logging
     mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Document', log_action = 'Created', log_description = '$details', log_created_at = NOW(), company_id = $session_company_id, log_user_id = $session_user_id");
 
+    // Add tags
+    foreach($tags_ids as $tag_id) {
+        if (intval($tag_id)) {
+            mysqli_query($mysqli, "INSERT INTO documents_tagged SET document_id = '$document_id', tag_id = '$tag_id'");
+        }
+    }
+
     $_SESSION['alert_message'] = "Document added";
     
     header("Location: " . $_SERVER["HTTP_REFERER"]);
@@ -5053,13 +5063,25 @@ if(isset($_POST['edit_document'])){
 
     $document_id = intval($_POST['document_id']);
     $name = trim(strip_tags(mysqli_real_escape_string($mysqli,$_POST['name'])));
+    $tags_ids = $_POST['tags_ids'];
     $content = trim(mysqli_real_escape_string($mysqli,$_POST['content']));
 
+    // Document edit query
     mysqli_query($mysqli,"UPDATE documents SET document_name = '$name', document_content = '$content', document_updated_at = NOW() WHERE document_id = $document_id AND company_id = $session_company_id");
 
     //Logging
     mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Note', log_action = 'Modified', log_description = '$name', log_created_at = NOW(), company_id = $session_company_id, log_user_id = $session_user_id");
 
+    // Remove any old tags
+    mysqli_query($mysqli, "DELETE FROM documents_tagged WHERE document_id = $document_id");
+
+    // Add tags
+    foreach($tags_ids as $tag_id) {
+        if (intval($tag_id)) {
+            mysqli_query($mysqli, "INSERT INTO documents_tagged SET document_id = '$document_id', tag_id = '$tag_id'");
+        }
+    }
+
     $_SESSION['alert_message'] = "Document updated";
     
     header("Location: " . $_SERVER["HTTP_REFERER"]);
@@ -5080,6 +5102,41 @@ if(isset($_GET['delete_document'])){
   
 }
 
+if (isset($_POST['add_document_tag'])) {
+    $client_id = intval($_POST['client_id']);
+    $tag_name = trim(strip_tags(mysqli_real_escape_string($mysqli,$_POST['tag_name'])));
+
+    mysqli_query($mysqli,"INSERT INTO document_tags SET client_id = '$client_id', tag_name = '$tag_name'");
+
+    $_SESSION['alert_message'] = "Document tag added";
+    header("Location: " . $_SERVER["HTTP_REFERER"]);
+}
+
+if (isset($_POST['delete_document_tag'])) {
+    $tag_id = intval($_POST['tag_id']);
+
+    // Delete the tag ID
+    mysqli_query($mysqli, "DELETE FROM document_tags WHERE tag_id = '$tag_id'");
+
+    // Delete the associations to documents
+    mysqli_query($mysqli, "DELETE FROM documents_tagged WHERE tag_id = '$tag_id'");
+
+    $_SESSION['alert_message'] = "Document tag deleted";
+    header("Location: " . $_SERVER["HTTP_REFERER"]);
+}
+
+if (isset($_POST['rename_document_tag'])) {
+    $tag_id = intval($_POST['tag_id']);
+    $tag_new_name = trim(strip_tags(mysqli_real_escape_string($mysqli,$_POST['tag_new_name'])));
+
+    // Rename tag in db
+    mysqli_query($mysqli, "UPDATE document_tags SET tag_name = '$tag_new_name' WHERE tag_id = '$tag_id'");
+
+    $_SESSION['alert_message'] = "Document tag updated";
+    header("Location: " . $_SERVER["HTTP_REFERER"]);
+
+}
+
 if(isset($_GET['force_recurring'])){
     $recurring_id = intval($_GET['force_recurring']);