Add register editing and creation (issue #1)

action.php

@@ -474,6 +474,36 @@ END;
 
         returnToSender("cash_closed");
         break;
+    case "editregister":
+        $insert = true;
+        if (empty($VARS['id'])) {
+            $insert = true;
+        } else {
+            if ($database->has('registers', ['registerid' => $VARS['id']])) {
+                $insert = false;
+            } else {
+                returnToSender("invalid_parameters");
+            }
+        }
+        if (is_empty($VARS['name'])) {
+            returnToSender('invalid_parameters');
+        }
+
+        if ($database->has('registers', ['AND' => ['registerid[!]' => $VARS['id'], 'registername' => $VARS['name']]])) {
+            returnToSender("register_name_taken");
+        }
+
+        $data = [
+            'registername' => $VARS['name']
+        ];
+
+        if ($insert) {
+            $database->insert('registers', $data);
+        } else {
+            $database->update('registers', $data, ['registerid' => $VARS['id']]);
+        }
+
+        returnToSender("register_saved");
     case "session_keepalive":
         header("Content-Type: application/json");
         exit(json_encode(["status" => "OK"]));

lang/en_us.php

@@ -106,4 +106,9 @@ define("STRINGS", [
     "start" => "Start",
     "end" => "End",
     "grid view" => "Grid view",
+    "edit register" => "Edit Register",
+    "editing register" => "Editing register {name}",
+    "adding register" => "Adding register",
+    "register saved" => "Register saved.",
+    "register name taken" => "Register name already taken.  Use a different name.",
 ]);

lang/messages.php

@@ -41,4 +41,12 @@ define("MESSAGES", [
         "string" => "cash opened",
         "type" => "success"
     ],
+    "register_saved" => [
+        "string" => "register saved",
+        "type" => "success"
+    ],
+    "register_name_taken" => [
+        "string" => "register name taken",
+        "type" => "danger"
+    ]
 ]);

pages.php

@@ -70,6 +70,13 @@ define("PAGES", [
             "static/js/registers.js"
         ],
     ],
+    "editregister" => [
+        "title" => "edit register",
+        "navbar" => false,
+        "scripts" => [
+            "static/js/editregister.js"
+        ]
+    ],
     "reports" => [
         "title" => "reports",
         "navbar" => true,

pages/editregister.php

@@ -0,0 +1,70 @@
+<?php
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+require_once __DIR__ . '/../required.php';
+
+redirectifnotloggedin();
+
+$regdata = [
+    'id' => '',
+    'name' => ''
+];
+
+$editing = false;
+
+if (!empty($VARS['id'])) {
+    if ($database->has('registers', ['registerid' => $VARS['id']])) {
+        $editing = true;
+        $regdata = $database->get(
+                'registers', [
+            'registerid (id)',
+            'registername (name)'
+                ], [
+            'registerid' => $VARS['id']
+        ]);
+    } else {
+        // customer id is invalid, redirect to a version of the page that won't
+        // cause an error when pressing Save
+        header('Location: app.php?page=editregister');
+        die();
+    }
+}
+
+if ($editing) {
+
+}
+?>
+
+<form role="form" action="action.php" method="POST">
+    <div class="card border-green">
+        <h3 class="card-header text-green">
+            <?php
+            if ($editing) {
+                ?>
+                <i class="fas fa-edit"></i> <?php lang2("editing register", ['name' => "<span id=\"name_title\">" . htmlspecialchars($regdata['name']) . "</span>"]); ?>
+                <?php
+            } else {
+                ?>
+                <i class="fas fa-edit"></i> <?php lang("adding register"); ?>
+                <?php
+            }
+            ?>
+        </h3>
+        <div class="card-body row">
+            <div class="form-group col-12">
+                <label for="name"><i class="fas fa-font"></i> <?php lang("name"); ?></label>
+                <input type="text" class="form-control" id="name" name="name" placeholder="Register #1" required="required" value="<?php echo htmlspecialchars($regdata['name']); ?>" />
+            </div>
+        </div>
+
+        <input type="hidden" name="id" value="<?php echo htmlspecialchars($regdata['id']); ?>" />
+        <input type="hidden" name="action" value="editregister" />
+        <input type="hidden" name="source" value="registers" />
+
+        <div class="card-footer d-flex">
+            <button type="submit" class="btn btn-success mr-auto"><i class="fas fa-save"></i> <?php lang("save"); ?></button>
+        </div>
+    </div>
+</form>

static/js/editregister.js

@@ -0,0 +1,10 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+
+$('#name').on('input propertychange paste', function () {
+    $('#name_title').text($('#name').val());
+});