1 files changed, 156 insertions, 0 deletions
diff --git a/include/dnxcf_helper.php b/include/dnxcf_helper.php
new file mode 100644
index 0000000..ce1f230
--- /dev/null
+++ b/include/dnxcf_helper.php
@@ -0,0 +1,156 @@
+<?php
+defined( 'ABSPATH' ) or die( 'No script kiddies please!' );
+
+// generate a unique code, allows for lenght parameter
+if ( ! function_exists('dnxcf_get_unique_code') ) {
+
+    function dnxcf_get_unique_code( $length = "" ) {
+        $code = md5( uniqid( rand(), true ) );
+
+        if ($length != "") {
+            return substr($code, 0, $length);
+        } else {
+            return $code;
+        }
+    }
+
+}
+
+// add button in edit pages to help include our form
+function dnxcf_show_form_button() {
+    $currentScreen = get_current_screen();
+    if ( $currentScreen->parent_base == "edit" ) {
+        echo '<button type="button" id="dnxcf-contact-form" class="button" onclick="dnxcf_send_code()"><span class="dashicons dashicons-testimonial"></span> ' . __('Add Contact Form', 'dnxcf' ) . '</button>';
+    }
+}
+add_action( 'media_buttons', 'dnxcf_show_form_button', 11 );
+
+// the actual function that outputs our shortcode once the button is pressed
+function dnxcf_insert_shortcode() {
+    $currentScreen = get_current_screen();
+    if ( $currentScreen->parent_base != "edit" ) {
+        return;
+    } ?>
+<script>
+    function dnxcf_send_code() {
+        //Send the shortcode to the editor
+        window.send_to_editor("[dnx_contactform]");
+    }
+</script>
+<?php
+}
+add_action( 'admin_footer', 'dnxcf_insert_shortcode' );
+
+
+// set default options for the plugin
+function dnxcf_set_options() {
+    $defaults = array(
+        'dnxcf_pid_key'         => dnxcf_get_unique_code(12),
+        'dnxcf_recv_name'       => 'admin',
+        'dnxcf_recv_email'      => get_bloginfo('admin_email'),
+        'dnxcf_from_email'      => 'info@some.url',
+        'dnxcf_from_name'       => 'webmaster',
+        'dnxcf_subject'         => array(
+            __('I want to make a comment.', 'dnxcf'),
+            __('I want to ask a question.', 'dnxcf'),
+            __('I am interested in a product.', 'dnxcf'),
+            __('I have to report a problem.', 'dnxcf'),
+            __('Other (explain below)', 'dnxcf')
+        ),
+        // 1 = text/plain
+        // 2 = text/html
+        'dnxcf_content_type'    => '1',
+        'dnxcf_privacy'         => '',
+        'dnxcf_latitude'        => '38.2704',
+        'dnxcf_longitude'       => '16.2971',
+        'dnxcf_apikey'          => '',
+        'dnxcf_gmap_message'    => '',
+        'dnxcf_DB_VERSION'      => '2'
+    );
+    return $defaults;
+}
+
+// helper function that starts up the DB
+function dnxcf_db_init() {
+    global $dnxcf_options;
+    $dnxcf_options = get_option('dnxcf_options');
+    if( false === $dnxcf_options ) {
+        $dnxcf_options = dnxcf_set_options();
+    }
+    update_option('dnxcf_options', $dnxcf_options);
+}
+
+// helper function that performs a DB version update when needed
+function dnxcf_db_update($db_version) {
+    global $dnxcf_options;
+    $db_defaults = dnxcf_set_options();
+    $merge = wp_parse_args( $dnxcf_options, $db_defaults );
+    // update DB version
+    $merge['dnxcf_DB_VERSION'] = $db_version;
+    update_option('dnxcf_options', $merge);
+}
+
+// helper function that performs a DB check and then an init/update action
+function dnxcf_db_check() {
+    global $dnxcf_options;
+    if(false === $dnxcf_options) {
+        dnxcf_db_init();
+    }
+    $old_db_version = $dnxcf_options['dnxcf_DB_VERSION'];
+    $new_db_version = DNXCF_CURRENT_DB_VERSION;
+    if(empty($old_db_version)) {
+        dnxcf_db_init();
+    }
+    if( intval($old_db_version) < intval($new_db_version) ) {
+        dnxcf_db_update( $new_db_version );
+    }
+}
+
+// helper function that sets the current DB Version for comparison
+function dnxcf_set_db_version() {
+    // Define plugin database version. This should only change when new settings are added.
+    if ( ! defined( 'DNXCF_CURRENT_DB_VERSION' ) ) {
+        define( 'DNXCF_CURRENT_DB_VERSION', 4 );
+    }
+}
+
+// set the "from" email name to a custom option specified by the user
+function dnxcf_update_from_name() {
+    global $dnxcf_options;
+    $dnxcf_options = get_option('dnxcf_options');
+    $dnxcf_defaults = dnxcf_set_options();
+    $from_name = $dnxcf_options['dnxcf_from_name'];
+    $orig_name = 'WordPress';
+
+    $name = ( $orig_name != $from_name ) ? $from_name : false;
+    return $name;
+}
+if (dnxcf_update_from_name())
+    add_filter( 'wp_mail_from_name', 'dnxcf_update_from_name' );
+
+
+// set the "from" email address to a custom option specified by the user
+function dnxcf_update_from_email() {
+    global $dnxcf_options;
+    $dnxcf_options = get_option('dnxcf_options');
+    $dnxcf_defaults = dnxcf_set_options();
+    $from_mail = $dnxcf_options['dnxcf_from_email'];
+    $orig_mail = $dnxcf_defaults['dnxcf_from_email'];
+
+    $mail = ( $orig_mail != $from_mail ) ? $from_mail : false;
+    return $mail;
+}
+if (dnxcf_update_from_email())
+    add_filter( 'wp_mail_from', 'dnxcf_update_from_email' );
+
+function dnxcf_update_content_type() {
+    global $dnxcf_options;
+    $dnxcf_options = get_option('dnxcf_options');
+
+    // 1 = text/plain
+    // 2 = text/html
+    $content_type = ( "1" == $dnxcf_options['dnxcf_content_type'] ) ? 'text/plain' : 'text/html';
+
+    return $content_type;
+}
+add_filter( 'wp_mail_content_type', 'dnxcf_update_content_type' );