Implement Maintenances

29 files changed, 615 insertions, 43 deletions

diff --git a/web/app/Application.js b/web/app/Application.js
index 6338506..b1d638d 100644
--- a/web/app/Application.js
+++ b/web/app/Application.js
@@ -42,7 +42,8 @@ Ext.define('Traccar.Application', {
         'KnownAttribute',
         'Driver',
         'KnownCommand',
-        'KnownNotification'
+        'KnownNotification',
+        'Maintenance'
     ],
 
     stores: [
@@ -103,7 +104,10 @@ Ext.define('Traccar.Application', {
         'Commands',
         'AllCommands',
         'DeviceCommands',
-        'AllNotificationTypes'
+        'AllNotificationTypes',
+        'Maintenances',
+        'AllMaintenances',
+        'MaintenanceTypes'
     ],
 
     controllers: [
diff --git a/web/app/AttributeFormatter.js b/web/app/AttributeFormatter.js
index 4de8d9e..bb992c2 100644
--- a/web/app/AttributeFormatter.js
+++ b/web/app/AttributeFormatter.js
@@ -123,6 +123,19 @@ Ext.define('Traccar.AttributeFormatter', {
         return null;
     },
 
+    maintenanceIdFormatter: function (value) {
+        var maintenance, store;
+        if (value !== 0) {
+            store = Ext.getStore('AllMaintenances');
+            if (store.getTotalCount() === 0) {
+                store = Ext.getStore('Maintenances');
+            }
+            maintenance = store.getById(value);
+            return maintenance ? maintenance.get('name') : '';
+        }
+        return null;
+    },
+
     lastUpdateFormatter: function (value) {
         var seconds, interval;
         if (value) {
@@ -187,6 +200,8 @@ Ext.define('Traccar.AttributeFormatter', {
                 return this.groupIdFormatter;
             case 'geofenceId':
                 return this.geofenceIdFormatter;
+            case 'maintenanceId':
+                return this.maintenanceIdFormatter;
             case 'calendarId':
                 return this.calendarIdFormatter;
             case 'lastUpdate':
@@ -258,5 +273,15 @@ Ext.define('Traccar.AttributeFormatter', {
                     return value;
                 };
         }
+    },
+
+    renderAttribute: function (value, attribute) {
+        if (attribute && attribute.get('dataType') === 'speed') {
+            return Ext.getStore('SpeedUnits').formatValue(value, Traccar.app.getAttributePreference('speedUnit', 'kn'), true);
+        } else if (attribute && attribute.get('dataType') === 'distance') {
+            return Ext.getStore('DistanceUnits').formatValue(value, Traccar.app.getAttributePreference('distanceUnit', 'km'), true);
+        } else {
+            return value;
+        }
     }
 });
diff --git a/web/app/controller/Root.js b/web/app/controller/Root.js
index 75c4531..312fc15 100644
--- a/web/app/controller/Root.js
+++ b/web/app/controller/Root.js
@@ -27,7 +27,9 @@ Ext.define('Traccar.controller.Root', {
     ],
 
     init: function () {
-        var i, data, attribute, chartTypesStore = Ext.getStore('ReportChartTypes');
+        var i, data, attribute, chartTypesStore, maintenanceTypesStore;
+        chartTypesStore = Ext.getStore('ReportChartTypes');
+        maintenanceTypesStore = Ext.getStore('MaintenanceTypes');
         Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
         data = Ext.getStore('PositionAttributes').getData().items;
         for (i = 0; i < data.length; i++) {
@@ -43,6 +45,7 @@ Ext.define('Traccar.controller.Root', {
                     key: 'attribute.' + attribute.get('key'),
                     name: attribute.get('name')
                 });
+                maintenanceTypesStore.add(attribute);
             }
         }
     },
@@ -110,6 +113,7 @@ Ext.define('Traccar.controller.Root', {
         Ext.getStore('Drivers').load();
         Ext.getStore('Geofences').load();
         Ext.getStore('Calendars').load();
+        Ext.getStore('Maintenances').load();
         Ext.getStore('ComputedAttributes').load();
         Ext.getStore('AllCommandTypes').load();
         Ext.getStore('Commands').load();
diff --git a/web/app/model/Event.js b/web/app/model/Event.js
index 966cd60..f0c9c3a 100644
--- a/web/app/model/Event.js
+++ b/web/app/model/Event.js
@@ -1,6 +1,6 @@
 /*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -40,9 +40,12 @@ Ext.define('Traccar.model.Event', {
         name: 'geofenceId',
         type: 'int'
     }, {
+        name: 'maintenanceId',
+        type: 'int'
+    }, {
         name: 'text',
         convert: function (v, rec) {
-            var text, alarmKey, geofence;
+            var text, alarmKey, geofence, maintenance;
             if (rec.get('type') === 'commandResult') {
                 text = Strings.eventCommandResult + ': ' + rec.get('attributes')['result'];
             } else if (rec.get('type') === 'alarm') {
@@ -63,9 +66,15 @@ Ext.define('Traccar.model.Event', {
                     text += ' "' + geofence.get('name') + '"';
                 }
             }
+            if (rec.get('maintenanceId')) {
+                maintenance = Ext.getStore('Maintenances').getById(rec.get('maintenanceId'));
+                if (maintenance) {
+                    text += ' "' + maintenance.get('name') + '"';
+                }
+            }
             return text;
         },
-        depends: ['type', 'attributes', 'geofenceId']
+        depends: ['type', 'attributes', 'geofenceId', 'maintenanceId']
     }, {
         name: 'attributes'
     }]
diff --git a/web/app/model/Maintenance.js b/web/app/model/Maintenance.js
new file mode 100644
index 0000000..a065427
--- /dev/null
+++ b/web/app/model/Maintenance.js
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.model.Maintenance', {
+    extend: 'Ext.data.Model',
+    identifier: 'negative',
+
+    fields: [{
+        name: 'id',
+        type: 'int'
+    }, {
+        name: 'name',
+        type: 'string'
+    }, {
+        name: 'type',
+        type: 'string'
+    }, {
+        name: 'start',
+        type: 'float'
+    }, {
+        name: 'period',
+        type: 'float'
+    }, {
+        name: 'attributes'
+    }]
+});
diff --git a/web/app/store/AllMaintenances.js b/web/app/store/AllMaintenances.js
new file mode 100644
index 0000000..745b5d6
--- /dev/null
+++ b/web/app/store/AllMaintenances.js
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.store.AllMaintenances', {
+    extend: 'Ext.data.Store',
+    model: 'Traccar.model.Maintenance',
+
+    proxy: {
+        type: 'rest',
+        url: 'api/maintenances',
+        extraParams: {
+            all: true
+        }
+    }
+});
diff --git a/web/app/store/CommonDeviceAttributes.js b/web/app/store/CommonDeviceAttributes.js
index 83dd411..e63daa6 100644
--- a/web/app/store/CommonDeviceAttributes.js
+++ b/web/app/store/CommonDeviceAttributes.js
@@ -28,15 +28,5 @@ Ext.define('Traccar.store.CommonDeviceAttributes', {
         key: 'report.ignoreOdometer',
         name: Strings.attributeReportIgnoreOdometer,
         valueType: 'boolean'
-    }, {
-        key: 'maintenance.start',
-        name: Strings.attributeMaintenanceStart,
-        valueType: 'number',
-        dataType: 'distance'
-    }, {
-        key: 'maintenance.interval',
-        name: Strings.attributeMaintenanceInterval,
-        valueType: 'number',
-        dataType: 'distance'
     }]
 });
diff --git a/web/app/store/CommonUserAttributes.js b/web/app/store/CommonUserAttributes.js
index c2c2942..0ee9e16 100644
--- a/web/app/store/CommonUserAttributes.js
+++ b/web/app/store/CommonUserAttributes.js
@@ -63,6 +63,10 @@ Ext.define('Traccar.store.CommonUserAttributes', {
         name: Strings.attributeUiDisableCalendars,
         valueType: 'boolean'
     }, {
+        key: 'ui.disableMaintenances',
+        name: Strings.attributeUiDisableMaintenances,
+        valueType: 'boolean'
+    }, {
         key: 'ui.hidePositionAttributes',
         name: Strings.attributeUiHidePositionAttributes,
         valueType: 'string'
diff --git a/web/app/store/MaintenanceTypes.js b/web/app/store/MaintenanceTypes.js
new file mode 100644
index 0000000..45b89a2
--- /dev/null
+++ b/web/app/store/MaintenanceTypes.js
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.store.MaintenanceTypes', {
+    extend: 'Ext.data.Store',
+    model: 'Traccar.model.KnownAttribute',
+    proxy: 'memory'
+});
diff --git a/web/app/store/Maintenances.js b/web/app/store/Maintenances.js
new file mode 100644
index 0000000..43d6ba5
--- /dev/null
+++ b/web/app/store/Maintenances.js
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.store.Maintenances', {
+    extend: 'Ext.data.Store',
+    model: 'Traccar.model.Maintenance',
+
+    proxy: {
+        type: 'rest',
+        url: 'api/maintenances',
+        writer: {
+            writeAllFields: true
+        }
+    }
+});
diff --git a/web/app/view/CustomNumberField.js b/web/app/view/CustomNumberField.js
index 807bad4..3226d56 100644
--- a/web/app/view/CustomNumberField.js
+++ b/web/app/view/CustomNumberField.js
@@ -1,6 +1,6 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -78,16 +78,16 @@ Ext.define('Traccar.view.CustomNumberField', {
             config.afterBodyEl = this.unitEl + unitName + '</div></div>';
             config.rawToValue = function (rawValue) {
                 if (this.units) {
-                    return this.units.getStore().convertValue(rawValue, this.units.getValue(), true);
+                    return this.units.getStore().convertValue(this.parseValue(rawValue), this.units.getValue(), true);
                 } else {
                     return this.parseValue(rawValue);
                 }
             };
             config.valueToRaw = function (value) {
                 if (this.units) {
-                    return this.units.getStore().convertValue(value, this.units.getValue(), false);
+                    return String(this.units.getStore().convertValue(value, this.units.getValue(), false));
                 } else {
-                    return this.parseValue(value);
+                    return String(value);
                 }
             };
             if (config.units) {
diff --git a/web/app/view/DeviceMenu.js b/web/app/view/DeviceMenu.js
index ed4068f..a3381cc 100644
--- a/web/app/view/DeviceMenu.js
+++ b/web/app/view/DeviceMenu.js
@@ -1,6 +1,6 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -57,6 +57,11 @@ Ext.define('Traccar.view.DeviceMenu', {
             handler: 'onCommandsClick',
             reference: 'menuCommandsButton'
         }, {
+            text: Strings.sharedMaintenances,
+            glyph: 'xf0ad@FontAwesome',
+            handler: 'onMaintenancesClick',
+            reference: 'menuMaintenancesButton'
+        }, {
             hidden: true,
             text: Strings.sharedDeviceDistance,
             glyph: 'xf0e4@FontAwesome',
diff --git a/web/app/view/DeviceMenuController.js b/web/app/view/DeviceMenuController.js
index 6416314..e50b0e0 100644
--- a/web/app/view/DeviceMenuController.js
+++ b/web/app/view/DeviceMenuController.js
@@ -1,6 +1,6 @@
 /*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,6 +26,7 @@ Ext.define('Traccar.view.DeviceMenuController', {
         'Traccar.view.permissions.Notifications',
         'Traccar.view.edit.ComputedAttributes',
         'Traccar.view.permissions.SavedCommands',
+        'Traccar.view.permissions.Maintenances',
         'Traccar.view.BaseWindow'
     ],
 
@@ -37,6 +38,8 @@ Ext.define('Traccar.view.DeviceMenuController', {
         this.lookupReference('menuCommandsButton').setHidden(Traccar.app.getPreference('limitCommands', false));
         this.lookupReference('menuDeviceDistanceButton').setHidden(
             !Traccar.app.getUser().get('admin') && Traccar.app.getUser().get('userLimit') === 0 || Traccar.app.getVehicleFeaturesDisabled());
+        this.lookupReference('menuMaintenancesButton').setHidden(
+            Traccar.app.getVehicleFeaturesDisabled() || Traccar.app.getBooleanAttributePreference('ui.disableMaintenances'));
     },
 
     onGeofencesClick: function () {
@@ -104,6 +107,19 @@ Ext.define('Traccar.view.DeviceMenuController', {
         }).show();
     },
 
+    onMaintenancesClick: function () {
+        Ext.create('Traccar.view.BaseWindow', {
+            title: Strings.sharedMaintenances,
+            items: {
+                xtype: 'linkMaintenancesView',
+                baseObjectName: 'deviceId',
+                linkObjectName: 'maintenanceId',
+                storeName: 'Maintenances',
+                baseObject: this.getView().up('deviceMenu').device.getId()
+            }
+        }).show();
+    },
+
     onDeviceDistanceClick: function () {
         var position, dialog = Ext.create('Traccar.view.dialog.DeviceDistance');
         dialog.deviceId = this.getView().up('deviceMenu').device.getId();
diff --git a/web/app/view/ReportController.js b/web/app/view/ReportController.js
index 42e099d..62a8a92 100644
--- a/web/app/view/ReportController.js
+++ b/web/app/view/ReportController.js
@@ -510,6 +510,10 @@ Ext.define('Traccar.view.ReportController', {
         text: Strings.sharedGeofence,
         dataIndex: 'geofenceId',
         renderer: Traccar.AttributeFormatter.getFormatter('geofenceId')
+    }, {
+        text: Strings.sharedMaintenance,
+        dataIndex: 'maintenanceId',
+        renderer: Traccar.AttributeFormatter.getFormatter('maintenanceId')
     }],
 
     summaryColumns: [{
diff --git a/web/app/view/SettingsMenu.js b/web/app/view/SettingsMenu.js
index 13d5e39..100c86a 100644
--- a/web/app/view/SettingsMenu.js
+++ b/web/app/view/SettingsMenu.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -97,6 +97,12 @@ Ext.define('Traccar.view.SettingsMenu', {
             handler: 'onCommandsClick',
             reference: 'settingsCommandsButton'
         }, {
+            hidden: true,
+            text: Strings.sharedMaintenances,
+            glyph: 'xf0ad@FontAwesome',
+            handler: 'onMaintenancesClick',
+            reference: 'settingsMaintenancesButton'
+        }, {
             text: Strings.loginLogout,
             glyph: 'xf08b@FontAwesome',
             handler: 'onLogoutClick'
diff --git a/web/app/view/SettingsMenuController.js b/web/app/view/SettingsMenuController.js
index e8893e3..56d9cf8 100644
--- a/web/app/view/SettingsMenuController.js
+++ b/web/app/view/SettingsMenuController.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,6 +33,7 @@ Ext.define('Traccar.view.SettingsMenuController', {
         'Traccar.view.dialog.DeviceDistance',
         'Traccar.view.edit.Calendars',
         'Traccar.view.edit.SavedCommands',
+        'Traccar.view.edit.Maintenances',
         'Traccar.view.BaseWindow'
     ],
 
@@ -59,6 +60,8 @@ Ext.define('Traccar.view.SettingsMenuController', {
             this.lookupReference('settingsDriversButton').setHidden(
                 Traccar.app.getVehicleFeaturesDisabled() || Traccar.app.getBooleanAttributePreference('ui.disableDrivers'));
             this.lookupReference('settingsCommandsButton').setHidden(Traccar.app.getPreference('limitCommands', false));
+            this.lookupReference('settingsMaintenancesButton').setHidden(
+                Traccar.app.getVehicleFeaturesDisabled() || Traccar.app.getBooleanAttributePreference('ui.disableMaintenances'));
         }
         if (admin || !deviceReadonly && !readonly) {
             this.lookupReference('settingsComputedAttributesButton').setHidden(
@@ -162,6 +165,15 @@ Ext.define('Traccar.view.SettingsMenuController', {
         }).show();
     },
 
+    onMaintenancesClick: function () {
+        Ext.create('Traccar.view.BaseWindow', {
+            title: Strings.sharedMaintenances,
+            items: {
+                xtype: 'maintenancesView'
+            }
+        }).show();
+    },
+
     onLogoutClick: function () {
         Ext.create('Traccar.view.dialog.LoginController').logout();
     }
diff --git a/web/app/view/dialog/AttributeController.js b/web/app/view/dialog/AttributeController.js
index e85125d..9fd452a 100644
--- a/web/app/view/dialog/AttributeController.js
+++ b/web/app/view/dialog/AttributeController.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -110,7 +110,8 @@ Ext.define('Traccar.view.dialog.AttributeController', {
                     }
                     break;
             }
-            if (valueField.getXType() !== config.xtype) {
+            if (valueField.getXType() !== config.xtype ||
+                    config.xtype === 'customNumberField' && valueField.dataType !== config.dataType) {
                 this.getView().down('form').insert(this.getView().down('form').items.indexOf(valueField), config);
                 this.getView().down('form').remove(valueField);
             } else if (config.xtype === 'customNumberField') {
diff --git a/web/app/view/dialog/BaseEdit.js b/web/app/view/dialog/BaseEdit.js
index 362823e..286afba 100644
--- a/web/app/view/dialog/BaseEdit.js
+++ b/web/app/view/dialog/BaseEdit.js
@@ -31,6 +31,7 @@ Ext.define('Traccar.view.dialog.BaseEdit', {
         xtype: 'tbfill'
     }, {
         glyph: 'xf00c@FontAwesome',
+        reference: 'saveButton',
         tooltip: Strings.sharedSave,
         tooltipType: 'title',
         minWidth: 0,
diff --git a/web/app/view/dialog/Maintenance.js b/web/app/view/dialog/Maintenance.js
new file mode 100644
index 0000000..e4be7b5
--- /dev/null
+++ b/web/app/view/dialog/Maintenance.js
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.view.dialog.Maintenance', {
+    extend: 'Traccar.view.dialog.BaseEdit',
+
+    requires: [
+        'Traccar.view.dialog.MaintenanceController',
+        'Traccar.view.CustomNumberField'
+    ],
+
+    controller: 'maintenance',
+
+    title: Strings.sharedMaintenance,
+
+    items: {
+        xtype: 'form',
+        listeners: {
+            validitychange: 'onValidityChange'
+        },
+        items: [{
+            xtype: 'fieldset',
+            title: Strings.sharedRequired,
+            items: [{
+                xtype: 'textfield',
+                name: 'name',
+                fieldLabel: Strings.sharedName,
+                allowBlank: false
+            }, {
+                xtype: 'combobox',
+                name: 'type',
+                reference: 'typeComboField',
+                fieldLabel: Strings.sharedType,
+                displayField: 'name',
+                valueField: 'key',
+                allowBlank: false,
+                queryMode: 'local',
+                store: 'MaintenanceTypes',
+                listeners: {
+                    change: 'onNameChange'
+                }
+            }, {
+                xtype: 'customNumberField',
+                name: 'start',
+                reference: 'startField',
+                fieldLabel: Strings.maintenanceStart
+            }, {
+                xtype: 'customNumberField',
+                name: 'period',
+                reference: 'periodField',
+                allowBlank: false,
+                fieldLabel: Strings.maintenancePeriod,
+                validator: function (value) {
+                    return this.parseValue(value) !== 0 ? true : 'Can\'t be zero';
+                }
+            }]
+        }]
+    }
+});
diff --git a/web/app/view/dialog/MaintenanceController.js b/web/app/view/dialog/MaintenanceController.js
new file mode 100644
index 0000000..9efcec1
--- /dev/null
+++ b/web/app/view/dialog/MaintenanceController.js
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.view.dialog.MaintenanceController', {
+    extend: 'Traccar.view.dialog.BaseEditController',
+    alias: 'controller.maintenance',
+
+    init: function () {
+        this.startConfig = Ext.clone(this.lookupReference('startField').initialConfig);
+        this.startConfig.value = 0;
+        this.periodConfig = Ext.clone(this.lookupReference('periodField').initialConfig);
+        this.periodConfig.value = 0;
+        this.lookupReference('saveButton').setDisabled(true);
+    },
+
+    onValidityChange: function (form, valid) {
+        this.lookupReference('saveButton').setDisabled(!valid);
+    },
+
+    onNameChange: function (combobox, newValue) {
+        var attribute, startField, periodField, config = {};
+        attribute = combobox.getStore().getById(newValue);
+        if (attribute) {
+            if (attribute.get('allowDecimals') !== undefined) {
+                config.allowDecimals = attribute.get('allowDecimals');
+            } else {
+                config.allowDecimals = true;
+            }
+            config.dataType = attribute.get('dataType');
+            config.maxValue = attribute.get('maxValue');
+            config.minValue = attribute.get('minValue');
+        }
+        startField = this.lookupReference('startField');
+        if (startField.dataType !== config.dataType) {
+            this.getView().down('fieldset').insert(this.getView().down('fieldset').items.indexOf(startField),
+                Ext.merge({}, this.startConfig, config));
+            this.getView().down('fieldset').remove(startField);
+            this.lookupReference('startField').validate();
+        } else {
+            startField.setConfig(config);
+            startField.validate();
+        }
+
+        periodField = this.lookupReference('periodField');
+        if (periodField.dataType !== config.dataType) {
+            this.getView().down('fieldset').insert(this.getView().down('fieldset').items.indexOf(periodField),
+                Ext.merge({}, this.periodConfig, config));
+            this.getView().down('fieldset').remove(periodField);
+            this.lookupReference('periodField').validate();
+        } else {
+            periodField.setConfig(config);
+            periodField.validate();
+        }
+    }
+});
diff --git a/web/app/view/edit/Attributes.js b/web/app/view/edit/Attributes.js
index cb07eda..cb0503d 100644
--- a/web/app/view/edit/Attributes.js
+++ b/web/app/view/edit/Attributes.js
@@ -58,13 +58,7 @@ Ext.define('Traccar.view.edit.Attributes', {
                 if (this.attributesStore) {
                     attribute = Ext.getStore(this.attributesStore).getById(record.get('name'));
                 }
-                if (attribute && attribute.get('dataType') === 'speed') {
-                    return Ext.getStore('SpeedUnits').formatValue(value, Traccar.app.getAttributePreference('speedUnit', 'kn'), true);
-                } else if (attribute && attribute.get('dataType') === 'distance') {
-                    return Ext.getStore('DistanceUnits').formatValue(value, Traccar.app.getAttributePreference('distanceUnit', 'km'), true);
-                } else {
-                    return value;
-                }
+                return Traccar.AttributeFormatter.renderAttribute(value, attribute);
             }
         }]
     }
diff --git a/web/app/view/edit/Groups.js b/web/app/view/edit/Groups.js
index 0808201..1ff4de8 100644
--- a/web/app/view/edit/Groups.js
+++ b/web/app/view/edit/Groups.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -70,6 +70,14 @@ Ext.define('Traccar.view.edit.Groups', {
             glyph: 'xf003@FontAwesome',
             tooltip: Strings.sharedNotifications,
             tooltipType: 'title'
+        }, {
+            xtype: 'button',
+            disabled: true,
+            handler: 'onMaintenancesClick',
+            reference: 'toolbarMaintenancesButton',
+            glyph: 'xf0ad@FontAwesome',
+            tooltip: Strings.sharedMaintenances,
+            tooltipType: 'title'
         }]
     },
 
diff --git a/web/app/view/edit/GroupsController.js b/web/app/view/edit/GroupsController.js
index 04c9692..2e62a28 100644
--- a/web/app/view/edit/GroupsController.js
+++ b/web/app/view/edit/GroupsController.js
@@ -25,6 +25,7 @@ Ext.define('Traccar.view.edit.GroupsController', {
         'Traccar.view.permissions.ComputedAttributes',
         'Traccar.view.permissions.Drivers',
         'Traccar.view.permissions.SavedCommands',
+        'Traccar.view.permissions.Maintenances',
         'Traccar.view.BaseWindow',
         'Traccar.model.Group'
     ],
@@ -39,6 +40,8 @@ Ext.define('Traccar.view.edit.GroupsController', {
         this.lookupReference('toolbarAttributesButton').setHidden(
             Traccar.app.getBooleanAttributePreference('ui.disableComputedAttributes'));
         this.lookupReference('toolbarCommandsButton').setHidden(Traccar.app.getPreference('limitCommands', false));
+        this.lookupReference('toolbarMaintenancesButton').setHidden(
+            Traccar.app.getVehicleFeaturesDisabled() || Traccar.app.getBooleanAttributePreference('ui.disableMaintenances'));
     },
 
     onGeofencesClick: function () {
@@ -111,6 +114,20 @@ Ext.define('Traccar.view.edit.GroupsController', {
         }).show();
     },
 
+    onMaintenancesClick: function () {
+        var group = this.getView().getSelectionModel().getSelection()[0];
+        Ext.create('Traccar.view.BaseWindow', {
+            title: Strings.sharedMaintenances,
+            items: {
+                xtype: 'linkMaintenancesView',
+                baseObjectName: 'groupId',
+                linkObjectName: 'maintenanceId',
+                storeName: 'Maintenances',
+                baseObject: group.getId()
+            }
+        }).show();
+    },
+
     onSelectionChange: function (selection, selected) {
         var disabled = selected.length === 0;
         this.lookupReference('toolbarGeofencesButton').setDisabled(disabled);
@@ -118,6 +135,7 @@ Ext.define('Traccar.view.edit.GroupsController', {
         this.lookupReference('toolbarDriversButton').setDisabled(disabled);
         this.lookupReference('toolbarCommandsButton').setDisabled(disabled);
         this.lookupReference('toolbarNotificationsButton').setDisabled(disabled);
+        this.lookupReference('toolbarMaintenancesButton').setDisabled(disabled);
         this.callParent(arguments);
     }
 });
diff --git a/web/app/view/edit/Maintenances.js b/web/app/view/edit/Maintenances.js
new file mode 100644
index 0000000..f7b4762
--- /dev/null
+++ b/web/app/view/edit/Maintenances.js
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.view.edit.Maintenances', {
+    extend: 'Traccar.view.GridPanel',
+    xtype: 'maintenancesView',
+
+    requires: [
+        'Traccar.view.edit.MaintenancesController',
+        'Traccar.view.edit.Toolbar'
+    ],
+
+    controller: 'maintenances',
+    store: 'Maintenances',
+
+    tbar: {
+        xtype: 'editToolbar'
+    },
+
+    listeners: {
+        selectionchange: 'onSelectionChange'
+    },
+
+    columns: {
+        defaults: {
+            flex: 1,
+            minWidth: Traccar.Style.columnWidthNormal
+        },
+        items: [{
+            text: Strings.sharedName,
+            dataIndex: 'name',
+            filter: 'string'
+        }, {
+            text: Strings.sharedType,
+            dataIndex: 'type',
+            filter: {
+                type: 'list',
+                idField: 'key',
+                labelField: 'name',
+                store: 'MaintenanceTypes'
+            },
+            renderer: function (value) {
+                var attribute = Ext.getStore('MaintenanceTypes').getById(value);
+                return attribute && attribute.get('name') ? attribute.get('name') : value;
+            }
+        }, {
+            text: Strings.maintenanceStart,
+            dataIndex: 'start',
+            renderer: function (value, metaData, record) {
+                return Traccar.AttributeFormatter.renderAttribute(
+                    value, Ext.getStore('MaintenanceTypes').getById(record.get('type')));
+            }
+        }, {
+            text: Strings.maintenancePeriod,
+            dataIndex: 'period',
+            renderer: function (value, metaData, record) {
+                return Traccar.AttributeFormatter.renderAttribute(
+                    value, Ext.getStore('MaintenanceTypes').getById(record.get('type')));
+            }
+        }]
+    }
+});
diff --git a/web/app/view/edit/MaintenancesController.js b/web/app/view/edit/MaintenancesController.js
new file mode 100644
index 0000000..19762e6
--- /dev/null
+++ b/web/app/view/edit/MaintenancesController.js
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.view.edit.MaintenancesController', {
+    extend: 'Traccar.view.edit.ToolbarController',
+    alias: 'controller.maintenances',
+
+    requires: [
+        'Traccar.view.dialog.Maintenance',
+        'Traccar.model.Maintenance'
+    ],
+
+    objectModel: 'Traccar.model.Maintenance',
+    objectDialog: 'Traccar.view.dialog.Maintenance',
+    removeTitle: Strings.sharedMaintenance
+});
diff --git a/web/app/view/edit/Users.js b/web/app/view/edit/Users.js
index b0a67ff..3629e82 100644
--- a/web/app/view/edit/Users.js
+++ b/web/app/view/edit/Users.js
@@ -1,6 +1,6 @@
 /*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
- * Copyright 2016 - 2017 Andrey Kunitsyn (andrey@traccar.org)
+ * Copyright 2015 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2018 Andrey Kunitsyn (andrey@traccar.org)
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -95,6 +95,14 @@ Ext.define('Traccar.view.edit.Users', {
             glyph: 'xf093@FontAwesome',
             tooltip: Strings.sharedSavedCommands,
             tooltipType: 'title'
+        }, {
+            xtype: 'button',
+            disabled: true,
+            handler: 'onMaintenancesClick',
+            reference: 'userMaintenancesButton',
+            glyph: 'xf0ad@FontAwesome',
+            tooltip: Strings.sharedMaintenances,
+            tooltipType: 'title'
         }]
     },
 
diff --git a/web/app/view/edit/UsersController.js b/web/app/view/edit/UsersController.js
index db82b4f..f3154b1 100644
--- a/web/app/view/edit/UsersController.js
+++ b/web/app/view/edit/UsersController.js
@@ -31,6 +31,7 @@ Ext.define('Traccar.view.edit.UsersController', {
         'Traccar.view.permissions.Drivers',
         'Traccar.view.permissions.SavedCommands',
         'Traccar.view.permissions.Notifications',
+        'Traccar.view.permissions.Maintenances',
         'Traccar.view.BaseWindow',
         'Traccar.model.User'
     ],
@@ -49,6 +50,8 @@ Ext.define('Traccar.view.edit.UsersController', {
         this.lookupReference('userCalendarsButton').setHidden(
             Traccar.app.getBooleanAttributePreference('ui.disableCalendars'));
         this.lookupReference('userCommandsButton').setHidden(Traccar.app.getPreference('limitCommands', false));
+        this.lookupReference('userMaintenancesButton').setHidden(
+            Traccar.app.getVehicleFeaturesDisabled() || Traccar.app.getBooleanAttributePreference('ui.disableMaintenances'));
     },
 
     onEditClick: function () {
@@ -209,6 +212,21 @@ Ext.define('Traccar.view.edit.UsersController', {
         }).show();
     },
 
+    onMaintenancesClick: function () {
+        var user = this.getView().getSelectionModel().getSelection()[0];
+        Ext.create('Traccar.view.BaseWindow', {
+            title: Strings.sharedMaintenances,
+            items: {
+                xtype: 'linkMaintenancesView',
+                baseObjectName: 'userId',
+                linkObjectName: 'maintenanceId',
+                storeName: 'AllMaintenances',
+                linkStoreName: 'Maintenances',
+                baseObject: user.getId()
+            }
+        }).show();
+    },
+
     onSelectionChange: function (selection, selected) {
         var disabled = selected.length === 0;
         this.lookupReference('userDevicesButton').setDisabled(disabled);
@@ -219,6 +237,7 @@ Ext.define('Traccar.view.edit.UsersController', {
         this.lookupReference('userAttributesButton').setDisabled(disabled);
         this.lookupReference('userDriversButton').setDisabled(disabled);
         this.lookupReference('userCommandsButton').setDisabled(disabled);
+        this.lookupReference('userMaintenancesButton').setDisabled(disabled);
         this.lookupReference('userUsersButton').setDisabled(disabled || selected[0].get('userLimit') === 0);
         this.callParent(arguments);
     }
diff --git a/web/app/view/permissions/Maintenances.js b/web/app/view/permissions/Maintenances.js
new file mode 100644
index 0000000..7b5e3fb
--- /dev/null
+++ b/web/app/view/permissions/Maintenances.js
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+Ext.define('Traccar.view.permissions.Maintenances', {
+    extend: 'Traccar.view.permissions.Base',
+    xtype: 'linkMaintenancesView',
+
+    columns: {
+        items: [{
+            text: Strings.sharedName,
+            dataIndex: 'name',
+            flex: 1,
+            minWidth: Traccar.Style.columnWidthNormal,
+            filter: 'string'
+        }, {
+            text: Strings.sharedType,
+            dataIndex: 'type',
+            flex: 1,
+            minWidth: Traccar.Style.columnWidthNormal,
+            filter: {
+                type: 'list',
+                idField: 'key',
+                labelField: 'name',
+                store: 'MaintenanceTypes'
+            },
+            renderer: function (value) {
+                var attribute = Ext.getStore('MaintenanceTypes').getById(value);
+                return attribute && attribute.get('name') ? attribute.get('name') : value;
+            }
+        }, {
+            text: Strings.maintenanceStart,
+            dataIndex: 'start',
+            flex: 1,
+            minWidth: Traccar.Style.columnWidthNormal,
+            renderer: function (value, metaData, record) {
+                return Traccar.AttributeFormatter.renderAttribute(
+                    value, Ext.getStore('MaintenanceTypes').getById(record.get('type')));
+            }
+        }, {
+            text: Strings.maintenancePeriod,
+            dataIndex: 'period',
+            flex: 1,
+            minWidth: Traccar.Style.columnWidthNormal,
+            renderer: function (value, metaData, record) {
+                return Traccar.AttributeFormatter.renderAttribute(
+                    value, Ext.getStore('MaintenanceTypes').getById(record.get('type')));
+            }
+        }]
+    }
+});
diff --git a/web/l10n/en.json b/web/l10n/en.json
index 1ebccbd..9b9a499 100644
--- a/web/l10n/en.json
+++ b/web/l10n/en.json
@@ -75,10 +75,10 @@
     "sharedNew": "New…",
     "sharedShowAddress": "Show Address",
     "sharedDisabled": "Disabled",
+    "sharedMaintenance": "Maintenance",
+    "sharedMaintenances": "Maintenances",
     "attributeSpeedLimit": "Speed Limit",
     "attributeReportIgnoreOdometer": "Report: Ignore Odometer",
-    "attributeMaintenanceStart": "Maintenance: Start",
-    "attributeMaintenanceInterval": "Maintenance: Interval",
     "attributeWebReportColor": "Web: Report Color",
     "attributeDevicePassword": "Device Password",
     "attributeProcessingCopyAttributes": "Processing: Copy Attributes",
@@ -103,6 +103,7 @@
     "attributeUiDisableDrivers": "UI: Disable Drivers",
     "attributeUiDisableComputedAttributes": "UI: Disable Computed Attributes",
     "attributeUiDisableCalendars": "UI: Disable Calendars",
+    "attributeUiDisableMaintenances": "UI: Disable Maintenances",
     "attributeUiHidePositionAttributes": "UI: Hide Position Attributes",
     "errorTitle": "Error",
     "errorGeneral": "Invalid parameters or constraints violation",
@@ -409,5 +410,7 @@
     "categoryShip": "Ship",
     "categoryTractor": "Tractor",
     "categoryTruck": "Truck",
-    "categoryVan": "Van"
+    "categoryVan": "Van",
+    "maintenanceStart": "Start",
+    "maintenancePeriod": "Period"
 }
\ No newline at end of file