Add desired quantity tracking (Close #2)

action.php

@@ -47,6 +47,13 @@ switch ($VARS['action']) {
         }
         if (is_empty($VARS['qty'])) {
             $VARS['qty'] = 1;
+        } else if (!is_numeric($VARS['qty'])) {
+            returnToSender('field_nan');
+        }
+        if (is_empty($VARS['want'])) {
+            $VARS['want'] = 0;
+        } else if (!is_numeric($VARS['want'])) {
+            returnToSender('field_nan');
         }
         if (!$database->has('categories', ['catid' => $VARS['cat']])) {
             returnToSender('invalid_category');
@@ -71,6 +78,7 @@ switch ($VARS['action']) {
             'catid' => $VARS['cat'],
             'locid' => $VARS['loc'],
             'qty' => $VARS['qty'],
+            'want' => $VARS['want'],
             'userid' => $userid
         ];
 

lang/en_us.php

@@ -77,5 +77,12 @@ define("STRINGS", [
     "placeholder location name" => "Over the Hills",
     "description" => "Description",
     "notes" => "Notes",
-    "comments" => "Comments"
+    "comments" => "Comments",
+    "minwant" => "Minimum On Hand",
+    "want" => "Need",
+    "field not a number" => "You entered something that isn't a number when a number was expected.",
+    "understocked items" => "Understocked Items",
+    "view understocked" => "View Understocked",
+    "only showing understocked" => "Only showing understocked items.",
+    "show all items" => "Show all items"
 ]);

lang/messages.php

@@ -69,4 +69,8 @@ define("MESSAGES", [
         "string" => "location in use",
         "type" => "danger"
     ],
+    "field_nan" => [
+        "string" => "field not a number",
+        "type" => "danger"
+    ]
 ]);

lib/getitemtable.php

@@ -8,11 +8,18 @@ require_once __DIR__ . '/userinfo.php';
 
 header("Content-Type: application/json");
 
+$showwant = ($VARS['show_want'] == 1);
+
 $out = [];
 
 $out['draw'] = intval($VARS['draw']);
 
-$out['recordsTotal'] = $database->count('items');
+if ($showwant) {
+    $out['recordsTotal'] = $database->count('items', ["AND" => ["qty[<]want", "want[>]" => 0]]);
+} else {
+    $out['recordsTotal'] = $database->count('items');
+}
+
 $filter = false;
 
 // sort
@@ -40,25 +47,33 @@ switch ($VARS['order'][0]['column']) {
     case 7:
         $order = ["qty" => $sortby];
         break;
+    case 8:
+        $order = ["want" => $sortby];
+        break;
     // Note: We're not going to sort by assigned user.  It's too hard.  Maybe later.
 }
 
 // search
 if (!is_empty($VARS['search']['value'])) {
     $filter = true;
-    $wherenolimit = [
+    $wherenolimit = [];
-        "OR" => [
+    if ($showwant) {
-            "name[~]" => $VARS['search']['value'],
+        $wherenolimit["AND"] = ["qty[<]want", "want[>]" => 0];
-            "catname[~]" => $VARS['search']['value'],
+    }
-            "locname[~]" => $VARS['search']['value'],
+    $wherenolimit["AND"]["OR"] = [
-            "code1[~]" => $VARS['search']['value'],
+        "name[~]" => $VARS['search']['value'],
-            "code2[~]" => $VARS['search']['value']
+        "catname[~]" => $VARS['search']['value'],
-        ]
+        "locname[~]" => $VARS['search']['value'],
+        "code1[~]" => $VARS['search']['value'],
+        "code2[~]" => $VARS['search']['value']
     ];
     $where = $wherenolimit;
     $where["LIMIT"] = [$VARS['start'], $VARS['length']];
 } else {
     $where = ["LIMIT" => [$VARS['start'], $VARS['length']]];
+    if ($showwant) {
+        $where["AND"] = ["qty[<]want", "want[>]" => 0];
+    }
 }
 if (!is_null($order)) {
     $where["ORDER"] = $order;
@@ -77,6 +92,7 @@ $items = $database->select('items', [
     'code1',
     'code2',
     'qty',
+    'want',
     'userid'
         ], $where);
 

pages/edititem.php

@@ -18,6 +18,7 @@ $itemdata = [
     'text2' => '',
     'text3' => '',
     'qty' => 1,
+    'want' => 0,
     'userid' => ''];
 
 $editing = false;
@@ -46,6 +47,7 @@ if (!is_empty($VARS['id'])) {
                     'locname',
                     'loccode',
                     'qty',
+                    'want',
                     'userid'
                         ], [
                     'itemid' => $VARS['id']
@@ -123,12 +125,18 @@ if (!is_empty($VARS['id'])) {
             </div>
 
             <div class="row">
-                <div class="col-xs-12 col-md-6">
+                <div class="col-xs-12 col-md-3">
                     <div class="form-group">
                         <label for="qty"><i class="fa fa-hashtag"></i> <?php lang('quantity'); ?></label>
                         <input type="number" class="form-control" id="qty" name="qty" placeholder="1" value="<?php echo $itemdata['qty']; ?>" />
                     </div>
                 </div>
+                <div class="col-xs-12 col-md-3">
+                    <div class="form-group">
+                        <label for="want"><i class="fa fa-hashtag"></i> <?php lang('minwant'); ?></label>
+                        <input type="number" class="form-control" id="want" name="want" placeholder="1" value="<?php echo $itemdata['want']; ?>" />
+                    </div>
+                </div>
                 <div class="col-xs-12 col-md-6">
                     <div class="form-group">
                         <label for="assignedto"><i class="fa fa-user"></i> <?php lang('assigned to'); ?></label>

pages/home.php

@@ -11,29 +11,21 @@ redirectifnotloggedin();
                 <h1><i class="fa fa-fw fa-cubes"></i> <?php echo $database->count('items'); ?></h1>
             </div>
             <div class="panel-footer">
-                <a style="color: black;" href="app.php?page=items"><i class="fa fa-arrow-right fa-fw"></i> <?php lang('view items'); ?></a>
+                <a href="app.php?page=items" style="color: black;"><i class="fa fa-arrow-right"></i> <?php lang("view items"); ?></a>
             </div>
         </div>
     </div>
     <div class="col-xs-12 col-sm-6 col-md-4">
-        <div class="panel panel-deep-orange">
+        <?php
-            <div class="panel-heading"><div class="panel-title"><?php lang("locations") ?></div></div>
+        $lowcnt = $database->count('items', ["AND" => ["qty[<]want", "want[>]" => 0]]);
+        ?>
+        <div class="panel panel-<?php echo ($lowcnt > 0 ? "orange" : "green"); ?>">
+            <div class="panel-heading"><div class="panel-title"><?php lang("understocked items") ?></div></div>
             <div class="panel-body">
-                <h1><i class="fa fa-fw fa-map-marker"></i> <?php echo $database->count('locations'); ?></h1>
+                <h1><i class="fa fa-fw fa-tachometer"></i> <?php echo $lowcnt; ?></h1>
             </div>
             <div class="panel-footer">
-                <a style="color: black;" href="app.php?page=locations"><i class="fa fa-arrow-right fa-fw"></i> <?php lang('view locations'); ?></a>
+                <a href="app.php?page=items&filter=stock" style="color: black;"><i class="fa fa-arrow-right"></i> <?php lang("view understocked"); ?></a>
-            </div>
-        </div>
-    </div>
-    <div class="col-xs-12 col-sm-6 col-md-4">
-        <div class="panel panel-blue">
-            <div class="panel-heading"><div class="panel-title"><?php lang("categories") ?></div></div>
-            <div class="panel-body">
-                <h1><i class="fa fa-fw fa-archive"></i> <?php echo $database->count('categories'); ?></h1>
-            </div>
-            <div class="panel-footer">
-                <a style="color: black;" href="app.php?page=categories"><i class="fa fa-arrow-right fa-fw"></i> <?php lang('view categories'); ?></a>
             </div>
         </div>
     </div>

pages/items.php

@@ -8,6 +8,13 @@ redirectifnotloggedin();
 <div class="btn-group" style="margin-bottom: 10px;">
     <a href="app.php?page=edititem" class="btn btn-success"><i class="fa fa-plus"></i> <?php lang("new item"); ?></a>
 </div>
+<?php if ($_GET['filter'] == 'stock') { ?>
+<script>var filter = "stock";</script>
+<div class="alert alert-blue-grey"><i class="fa fa-filter fa-fw"></i> <?php lang("only showing understocked"); ?> &nbsp; <a href="app.php?page=items" class="btn btn-sm btn-blue-grey"><?php lang("show all items"); ?></a></div>
+<?php } else {
+    echo "<script>var filter = null;</script>\n";
+}
+?>
 <table id="itemtable" class="table table-bordered table-striped">
     <thead>
         <tr>
@@ -19,6 +26,7 @@ redirectifnotloggedin();
             <th data-priority="3"><i class="fa fa-fw fa-barcode hidden-xs"></i> <?php lang('code 1'); ?></th>
             <th data-priority="4"><i class="fa fa-fw fa-qrcode hidden-xs"></i> <?php lang('code 2'); ?></th>
             <th data-priority="3"><i class="fa fa-fw fa-hashtag hidden-xs"></i> <?php lang('qty'); ?></th>
+            <th data-priority="4"><i class="fa fa-fw fa-hashtag hidden-xs"></i> <?php lang('want'); ?></th>
             <th data-priority="3"><i class="fa fa-fw fa-user hidden-xs"></i> <?php lang('assigned to'); ?></th>
         </tr>
     </thead>
@@ -36,6 +44,7 @@ redirectifnotloggedin();
             'code1',
             'code2',
             'qty',
+            'want',
             'userid'
         ], ["LIMIT" => 100]);
         $usercache = [];
@@ -60,6 +69,7 @@ redirectifnotloggedin();
                 <td><?php echo $item['code1']; ?></td>
                 <td><?php echo $item['code2']; ?></td>
                 <td><?php echo $item['qty']; ?></td>
+                <td><?php echo $item['want']; ?></td>
                 <td><?php echo $user; ?></td>
             </tr>
             <?php
@@ -76,6 +86,7 @@ redirectifnotloggedin();
             <th data-priority="3"><i class="fa fa-fw fa-barcode hidden-xs"></i> <?php lang('code 1'); ?></th>
             <th data-priority="4"><i class="fa fa-fw fa-qrcode hidden-xs"></i> <?php lang('code 2'); ?></th>
             <th data-priority="3"><i class="fa fa-fw fa-hashtag hidden-xs"></i> <?php lang('qty'); ?></th>
+            <th data-priority="4"><i class="fa fa-fw fa-hashtag hidden-xs"></i> <?php lang('want'); ?></th>
             <th data-priority="3"><i class="fa fa-fw fa-user hidden-xs"></i> <?php lang('assigned to'); ?></th>
         </tr>
     </tfoot>

static/js/items.js

@@ -34,6 +34,11 @@ var itemtable = $('#itemtable').DataTable({
     serverSide: true,
     ajax: {
         url: "lib/getitemtable.php",
+        data: function (d) {
+            if (filter == "stock") {
+                d.show_want = 1;
+            }
+        },
         dataFilter: function (data) {
             var json = jQuery.parseJSON(data);
             json.data = [];
@@ -47,6 +52,7 @@ var itemtable = $('#itemtable').DataTable({
                     row.code1,
                     row.code2,
                     row.qty,
+                    row.want,
                     row.username
                 ]);
             });