src/users/viewUser.js

+import m from 'mithril';
+import { Card, Toolbar, ToolbarTitle, Button, Snackbar } from 'polythene-mithril';
+import { ListSelect, DatalistController, Chip } from 'amiv-web-ui-components';
+import ItemView from '../views/itemView';
+import TableView from '../views/tableView';
+import RelationlistController from '../relationlistcontroller';
+import { ResourceHandler } from '../auth';
+import { icons, Property } from '../views/elements';
+import { colors } from '../style';
+
+export default class UserView extends ItemView {
+  constructor(vnode) {
+    super(vnode);
+    // a controller to handle the groupmemberships of this user
+    this.groupmemberships = new RelationlistController({
+      primary: 'groupmemberships', secondary: 'groups', query: { where: { user: this.data._id } },
+    });
+    // a controller to handle the eventsignups of this user
+    this.eventsignups = new RelationlistController({
+      primary: 'eventsignups', secondary: 'events', query: { where: { user: this.data._id } },
+    });
+    // initially, don't display the choice field for a new group
+    // (this will be displayed once the user clicks on 'new')
+    this.groupchoice = false;
+    // a controller to handle the list of possible groups to join
+    this.groupHandler = new ResourceHandler('groups', ['name']);
+    this.groupController = new DatalistController(
+      (query, search) => this.groupHandler.get({ search, ...query }),
+    );
+    // exclude the groups where the user is already a member
+    this.groupmemberships.handler.get({ where: { user: this.data._id } })
+      .then((data) => {
+        const groupIds = data._items.map(item => item.group);
+        this.groupController.setQuery({
+          where: { _id: { $nin: groupIds } },
+        });
+      });
+    this.sessionsHandler = new ResourceHandler('sessions');
+  }
+
+  oninit() {
+    this.groupmemberships.refresh();
+  }
+
+  view() {
+    const stdMargin = { margin: '5px' };
+
+    let membership = m(Chip, {
+      svg: icons.clear,
+      svgBackground: colors.amiv_red,
+      style: stdMargin,
+    }, 'No Member');
+    if (this.data.membership === 'regular') {
+      membership = m(Chip, {
+        svg: icons.checked,
+        svgBackground: colors.green,
+        style: stdMargin,
+      }, 'Regular Member');
+    } else if (this.data.membership === 'extraordinary') {
+      membership = m(Chip, {
+        svg: icons.checked,
+        svgBackground: colors.green,
+        style: stdMargin,
+      }, 'Extraordinary Member');
+    } else if (this.data.membership === 'honorary') {
+      membership = m(Chip, {
+        svg: icons.star,
+        svgBackground: colors.orange,
+        style: stdMargin,
+      }, 'Honorary Member');
+    }
+
+    // Selector that is only displayed if "new" is clicked in the
+    // groupmemberships. Selects a group to request membership for.
+    const groupSelect = m(ListSelect, {
+      controller: this.groupController,
+      listTileAttrs: group => Object.assign({}, { title: group.name }),
+      selectedText: group => group.name,
+      onSubmit: (group) => {
+        this.groupchoice = false;
+        this.groupmemberships.handler.post({
+          user: this.data._id,
+          group: group._id,
+        }).then(() => {
+          this.groupmemberships.refresh();
+          m.redraw();
+        });
+      },
+      onCancel: () => { this.groupchoice = false; m.redraw(); },
+    });
+
+    const now = new Date();
+
+    return this.layout([
+      m('div.maincontainer', [
+        m('h1', `${this.data.firstname} ${this.data.lastname}`),
+        membership,
+        this.data.department && m(
+          Chip,
+          { svg: icons.department, style: stdMargin },
+          this.data.department,
+        ),
+        m(Chip, {
+          svg: this.data.send_newsletter ? icons.checked : icons.clear,
+          style: stdMargin,
+        }, 'newsletter'),
+        m('div', { style: { display: 'flex' } }, [
+          this.data.nethz && m(Property, { title: 'NETHZ', style: stdMargin }, this.data.nethz),
+          this.data.email && m(Property, { title: 'Email', style: stdMargin }, this.data.email),
+          m(Property, { title: 'Legi', style: stdMargin }, this.data.legi ? this.data.legi : '-'),
+          m(Property, { title: 'RFID', style: stdMargin }, this.data.rfid ? this.data.rfid : '-'),
+          this.data.phone && m(Property, { title: 'Phone', style: stdMargin }, this.data.phone),
+        ]),
+      ]),
+      m('div.viewcontainer', [
+        m('div.viewcontainercolumn', m(Card, {
+          style: { height: '350px' },
+          content: m('div', [
+            m(Toolbar, { compact: true }, [
+              m(ToolbarTitle, { text: 'Event Signups' }),
+            ]),
+            m(TableView, {
+              tableHeight: '175px',
+              controller: this.eventsignups,
+              tileContent: item => m('div', item.event.title_en || item.event.title_de),
+              titles: ['Event'],
+              clickOnRows: (data) => { m.route.set(`/events/${data.event._id}`); },
+              filters: [[{
+                name: 'upcoming',
+                query: { 'event.time_start': { $gte: `${now.toISOString().slice(0, -5)}Z` } },
+              }, {
+                name: 'past',
+                query: { 'event.time_start': { $lt: `${now.toISOString().slice(0, -5)}Z` } },
+              }]],
+              // per default, enable the 'upcoming' filter
+              initFilterIdxs: [[0, 0]],
+            }),
+          ]),
+        })),
+        m('div.viewcontainercolumn', m(Card, {
+          style: { height: '350px' },
+          content: m('div', [
+            this.groupchoice && groupSelect,
+            m(Toolbar, { compact: true }, [
+              m(ToolbarTitle, { text: 'Group Memberships' }),
+              m(Button, {
+                className: 'blue-button',
+                label: 'add',
+                events: { onclick: () => { this.groupchoice = true; } },
+              }),
+            ]),
+            m(TableView, {
+              tableHeight: '225px',
+              controller: this.groupmemberships,
+              keys: ['group.name', 'expiry'],
+              titles: ['Group Name', 'Expires'],
+              clickOnRows: (data) => { m.route.set(`/groups/${data.group._id}`); },
+            }),
+          ]),
+        })),
+      ]),
+    ], [
+      m(Button, {
+        label: 'log out all Sessions',
+        className: 'itemView-delete-button',
+        border: true,
+        events: {
+          onclick: () => {
+            this.sessionsHandler.get({
+              where: { user: this.data._id },
+            }).then((response) => {
+              if (response._items.length === 0) {
+                Snackbar.show({ title: 'No active sessions for this user.' });
+              } else {
+                response._items.forEach((session) => {
+                  this.sessionsHandler.delete(session);
+                });
+              }
+            });
+          },
+        },
+      }),
+    ]);
+  }
+}

src/utils.js

+// as taken from underscore:
+// Returns a function, that, as long as it continues to be invoked, will not
+// be triggered. The function will be called after it stops being called for
+// N milliseconds. If `immediate` is passed, trigger the function on the
+// leading edge, instead of the trailing.
+export function debounce(func, wait, immediate) {
+  let timeout;
+  return function outer(...args) {
+    const context = this;
+    function later() {
+      timeout = null;
+      if (!immediate) func.apply(context, args);
+    }
+    const callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+    if (callNow) func.apply(context, args);
+  };
+}
+
+export function dateFormatter(datestring, time = true) {
+  // converts an API datestring into the standard format 01.01.1990, 10:21
+  if (!datestring) return '';
+  const date = new Date(datestring);
+  if (!time) return date.toLocaleDateString('de-DE');
+  return date.toLocaleString('de-DE', {
+    day: '2-digit',
+    month: '2-digit',
+    year: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+  });
+}

src/views/editView.js

+import m from 'mithril';
+import { IconButton, Toolbar, ToolbarTitle, Button } from 'polythene-mithril';
+import { Form } from 'amiv-web-ui-components';
+import ItemView from './itemView';
+import { icons } from './elements';
+import { colors } from '../style';
+
+export default class EditView extends ItemView {
+  /**
+   * Extension of ItemView to edit a data item
+   *
+   * Requires:
+   * - call constructor with vnode, resource, (valid, false by default)
+   * - vnode.attrs.onfinish has to be a callback function that is called after
+   *   the edit is finished
+   * @param  {object} vnode   [as provided by mithril]
+   * @param  {string} resource  [the API resource of this view, e.g. 'events']
+   * @param  {object} embedded  [any embedding query that should be added
+   *                             to API requests for this resource]
+   */
+  constructor(vnode) {
+    super(vnode);
+    // the form is valid in case that the item controller is in edit mode
+    const validInitially = this.controller.modus === 'edit';
+    // start a form to collect the submit data
+    this.form = new Form({}, validInitially, 4, Object.assign({}, this.controller.data));
+    this.form.setSchema(JSON.parse(JSON.stringify(this.handler.schema)));
+  }
+
+  /**
+   * Submit the changed version of this.data
+   *
+   * @param  {Boolean} true if the data should be send as FormData instead of
+   *                   JSON. Necessary in cases where files are included in the
+   *                   changes.
+   */
+  submit(data) {
+    return new Promise((resolve, reject) => {
+      let request;
+      if (this.controller.modus === 'edit') {
+        // this is a patch to an existing item
+        request = this.controller.patch(data);
+      } else {
+        request = this.controller.post(data);
+      }
+      request.then((response) => {
+        resolve(response);
+      }).catch((error) => {
+        // Process the API error
+        if ('_issues' in error) {
+          // there are problems with some fields, display them
+          Object.keys(error._issues).forEach((field) => {
+            this.form.errors[field] = [error._issues[field]];
+            this.form.valid = false;
+          });
+          // eslint-disable-next-line no-console
+          console.log(this.form.errors);
+          m.redraw();
+          reject(error);
+        } else {
+          // eslint-disable-next-line no-console
+          console.log(error);
+        }
+      });
+    });
+  }
+
+  beforeSubmit() {
+    if (Object.keys(this.form.data).length > 0) {
+      this.submit(this.form.data).then(() => this.controller.changeModus('view'));
+    } else {
+      this.controller.changeModus('view');
+    }
+  }
+
+  layout(children, buttonLabel = 'submit', wrapInContainer = true) {
+    return m('div', { style: { 'background-color': 'white' } }, [
+      m(Toolbar, { style: { 'background-color': colors.orange } }, [
+        m(IconButton, {
+          icon: { svg: { content: m.trust(icons.clear) } },
+          events: { onclick: () => { this.controller.cancel(); } },
+        }),
+        m(ToolbarTitle, `${((this.controller.modus === 'new') ? 'New' : 'Edit')}`
+          + ` ${this.resource.charAt(0).toUpperCase()}${this.resource.slice(1, -1)}`),
+        m(Button, {
+          className: 'blue-button-filled',
+          extraWide: true,
+          label: buttonLabel,
+          // NOTE: Temporary fix as the `valid` flag of the `Form` instance does
+          //       not work reliably. This ensures that the form can be submitted.
+          // disabled: !this.form.valid,
+          events: { onclick: () => { this.beforeSubmit(); } },
+        }),
+      ]),
+      ...!this.form.schema ? [''] : [
+        wrapInContainer && m('div.maincontainer', {
+          style: { height: 'calc(100vh - 130px)', 'overflow-y': 'scroll', padding: '10px' },
+        }, children),
+        !wrapInContainer && children,
+      ],
+    ]);
+  }
+}

src/views/elements.js

+import m from 'mithril';
+import { Chip } from 'amiv-web-ui-components';
+
+export const icons = {
+  search: '<svg width="24" height="24" viewBox="0 0 24 24"><path d="M15.5 14h-.79l-.28-.27C15.41 12.59 16 11.11 16 9.5 16 5.91 13.09 3 9.5 3S3 5.91 3 9.5 5.91 16 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>',
+  back: '<svg width="24" height="24" viewBox="0 0 24 24"><path d="M20 11H7.83l5.59-5.59L12 4l-8 8 8 8 1.41-1.41L7.83 13H20v-2z"/></svg>',
+  clear: '<svg width="24" height="24" viewBox="0 0 24 24"><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>',
+  ArrowRight: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M8.59 16.34l4.58-4.59-4.58-4.59L10 5.75l6 6-6 6z"/><path d="M0-.25h24v24H0z" fill="none"/></svg>',
+  ArrowDown: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7.41 7.84L12 12.42l4.59-4.58L18 9.25l-6 6-6-6z"/><path d="M0-.75h24v24H0z" fill="none"/></svg>',
+  iconUsersSVG: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M3 5v14c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2H5c-1.11 0-2 .9-2 2zm12 4c0 1.66-1.34 3-3 3s-3-1.34-3-3 1.34-3 3-3 3 1.34 3 3zm-9 8c0-2 4-3.1 6-3.1s6 1.1 6 3.1v1H6v-1z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
+  iconEventSVG: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M9 11H7v2h2v-2zm4 0h-2v2h2v-2zm4 0h-2v2h2v-2zm2-7h-1V2h-2v2H8V2H6v2H5c-1.11 0-1.99.9-1.99 2L3 20c0 1.1.89 2 2 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 16H5V9h14v11z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
+  iconJobsSVG: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M20 6h-4V4c0-1.11-.89-2-2-2h-4c-1.11 0-2 .89-2 2v2H4c-1.11 0-1.99.89-1.99 2L2 19c0 1.11.89 2 2 2h16c1.11 0 2-.89 2-2V8c0-1.11-.89-2-2-2zm-6 0h-4V4h4v2z"/></svg>',
+  ArrowLeft: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M15.41 16.09l-4.58-4.59 4.58-4.59L14 5.5l-6 6 6 6z"/><path d="M0-.5h24v24H0z" fill="none"/></svg>',
+  checked: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z"/></svg>',
+  group: '<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z"/></svg>',
+  cloud: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M19.35 10.04C18.67 6.59 15.64 4 12 4 9.11 4 6.6 5.64 5.35 8.04 2.34 8.36 0 10.91 0 14c0 3.31 2.69 6 6 6h13c2.76 0 5-2.24 5-5 0-2.64-2.05-4.78-4.65-4.96z"/></svg>',
+  star: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
+  email: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
+  department: '<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 48 48"><path d="M0 0h48v48H0z" fill="none"/><path d="M24 14V6H4v36h40V14H24zM12 38H8v-4h4v4zm0-8H8v-4h4v4zm0-8H8v-4h4v4zm0-8H8v-4h4v4zm8 24h-4v-4h4v4zm0-8h-4v-4h4v4zm0-8h-4v-4h4v4zm0-8h-4v-4h4v4zm20 24H24v-4h4v-4h-4v-4h4v-4h-4v-4h16v20zm-4-16h-4v4h4v-4zm0 8h-4v4h4v-4z"/></svg>',
+  amivWheel: '<svg width="81.059502" height="80.056625" viewBox="0 0 82 82" id="svg2"><metadata id="metadata8"><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs id="defs6"><clipPath id="clipPath18"><path d="m 0,849.563 1960.52,0 L 1960.52,0 0,0 0,849.563 z" id="path20" /></clipPath></defs><g transform="matrix(1.25,0,0,-1.25,-16.34525,92.96925)" id="g10"><g transform="scale(0.1,0.1)" id="g12"><g clip-path="url(#clipPath18)" id="g16"><path d="m 566.012,342.883 c -44.453,-61.184 -130.383,-74.797 -191.563,-30.344 -3.969,2.891 -7.719,5.957 -11.289,9.18 l 41.192,29.922 40.945,-56.375 51.351,117.707 37.684,-51.848 44.727,32.5 -40.387,55.598 41.469,30.132 c 19.257,-43.32 15.679,-95.437 -14.129,-136.472 m -235.504,23.465 c -19.887,43.554 -16.5,96.32 13.601,137.75 44.45,61.179 130.383,74.789 191.559,30.336 4.352,-3.161 8.391,-6.579 12.254,-10.125 l -41.762,-30.344 -40.558,55.82 -44.735,-32.5 40.563,-55.828 -0.067,-0.051 -127.726,-12.449 38.203,-52.578 -41.332,-30.031 z m 366.523,24.668 c 1.41,10.644 2.207,21.48 2.207,32.511 0,11.028 -0.797,21.86 -2.207,32.508 l -57.468,8.922 c -2.571,11.469 -6.196,22.711 -10.864,33.57 l 41.211,40.961 c -5.109,9.438 -10.828,18.676 -17.312,27.598 -6.481,8.922 -13.496,17.223 -20.899,25 l -51.679,-26.52 c -4.372,3.84 -8.93,7.532 -13.731,11.02 -4.84,3.512 -9.801,6.73 -14.84,9.719 l 9.258,57.351 c -9.676,4.641 -19.734,8.75 -30.238,12.16 -10.481,3.407 -21.039,5.993 -31.586,7.938 l -26.262,-51.918 c -11.742,1.07 -23.519,1.031 -35.199,-0.066 l -26.293,51.984 c -10.559,-1.945 -21.109,-4.531 -31.598,-7.938 -10.492,-3.41 -20.551,-7.519 -30.23,-12.148 l 9.269,-57.434 c -10.039,-5.925 -19.582,-12.859 -28.511,-20.707 l -51.746,26.559 c -7.407,-7.777 -14.422,-16.07 -20.903,-25 -6.492,-8.922 -12.211,-18.16 -17.32,-27.598 l 41.258,-41.011 c -4.715,-10.922 -8.36,-22.137 -10.887,-33.512 l -57.481,-8.93 c -1.421,-10.64 -2.218,-21.48 -2.218,-32.508 0,-11.031 0.797,-21.855 2.218,-32.511 l 57.563,-8.934 c 2.559,-11.445 6.168,-22.668 10.82,-33.496 L 240.09,307.57 c 5.109,-9.445 10.828,-18.683 17.32,-27.597 6.481,-8.926 13.488,-17.227 20.903,-25 l 51.675,26.523 c 4.41,-3.867 9,-7.59 13.84,-11.105 4.801,-3.485 9.723,-6.688 14.723,-9.657 l -9.258,-57.336 c 9.687,-4.636 19.746,-8.75 30.238,-12.156 10.489,-3.418 21.039,-5.996 31.598,-7.929 l 26.219,51.843 c 11.773,-1.093 23.57,-1.062 35.285,0.039 l 26.238,-51.894 c 10.559,1.945 21.117,4.523 31.598,7.941 10.504,3.406 20.551,7.52 30.238,12.149 l -9.246,57.285 c 10.078,5.957 19.648,12.898 28.617,20.789 l 51.621,-26.492 c 7.403,7.773 14.41,16.074 20.899,25 6.484,8.914 12.203,18.152 17.312,27.597 l -41.148,40.907 c 4.73,10.957 8.379,22.207 10.929,33.644 l 57.34,8.895" id="path30" style="fill:#f03d30;fill-opacity:1;fill-rule:nonzero;stroke:none" /></g></g></g></svg>',
+  menu: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>',
+  studydoc: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M5 13.18v4L12 21l7-3.82v-4L12 17l-7-3.82zM12 3L1 9l11 6 9-4.91V17h2V9L12 3z"/></svg>',
+  blacklist: '<svg style="width:24px;height:24px" viewBox="0 0 24 24"><path fill="#000000" d="M22.5,2.09C21.6,3 20.13,3.73 18.31,4.25C16.59,2.84 14.39,2 12,2C9.61,2 7.41,2.84 5.69,4.25C3.87,3.73 2.4,3 1.5,2.09C1.53,3.72 2.35,5.21 3.72,6.4C2.63,8 2,9.92 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12C22,9.92 21.37,8 20.28,6.4C21.65,5.21 22.47,3.72 22.5,2.09M7.5,8.5L10.5,10C10.5,10.8 9.8,11.5 9,11.5C8.2,11.5 7.5,10.8 7.5,10V8.5M12,17.23C10.25,17.23 8.71,16.5 7.81,15.42L9.23,14C9.68,14.72 10.75,15.23 12,15.23C13.25,15.23 14.32,14.72 14.77,14L16.19,15.42C15.29,16.5 13.75,17.23 12,17.23M16.5,10C16.5,10.8 15.8,11.5 15,11.5C14.2,11.5 13.5,10.8 13.5,10L16.5,8.5V10Z" /></svg>',
+  error: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0V0z"/><path d="M11 15h2v2h-2zm0-8h2v6h-2zm.99-5C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8z"/></svg>',
+  sortingArrow: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>',
+};
+
+// Property as specified by material design: small, grey title and larger
+// darker content text below
+// attrs is the title, children the text
+// therefore, you can call it with m(Property, title, text)
+export class Property {
+  view({ attrs: { title, leftAlign = true, ...restAttrs }, children }) {
+    return m('div', { style: { margin: '5px' }, ...restAttrs }, [
+      m('span', {
+        style: {
+          'margin-top': '10px',
+          'margin-bottom': '3px',
+          color: 'rgba(0, 0, 0, 0.54)',
+        },
+      }, m.trust(title)),
+      m('p', {
+        style: {
+          color: 'rgba(0, 0, 0, 0.87)',
+          'text-align': leftAlign ? 'left' : 'right',
+        },
+      }, children),
+    ]);
+  }
+}
+
+export class selectGroup {
+  view(vnode) {
+    return m('div.form-group', { class: vnode.attrs.classes }, [
+      m(`label[for=${vnode.attrs.name}]`, vnode.attrs.title),
+      m(
+        `select[name=${vnode.attrs.name}][id=${vnode.attrs.name}].form-control`,
+        { value: vnode.attrs.value, onchange: vnode.attrs.onchange },
+        vnode.attrs.options.map(option => m('option', option)),
+      ),
+    ]);
+  }
+}
+
+export class submitButton {
+  view({ attrs: { args, active, text } }) {
+    const argsCopy = args;
+    if (!active) {
+      argsCopy.disabled = 'disabled';
+    }
+    return m('div.btn', argsCopy, text);
+  }
+}
+
+export class FilterChip {
+  view({ attrs: { selected = false, onclick = () => { } }, children }) {
+    return m(Chip, {
+      'margin-left': '5px',
+      'margin-right': '5px',
+      background: selected ? '#aaaaaa' : '#dddddd',
+      svgBackground: '#aaaaaa',
+      textColor: selected ? '#000000' : '#999999',
+      svgColor: '#000000',
+      svg: selected ? icons.checked : null,
+      onclick,
+      onClick: onclick,
+    }, children);
+  }
+}

src/views/itemView.js

+import m from 'mithril';
+import { IconButton, Toolbar, Dialog, Button } from 'polythene-mithril';
+import { ButtonCSS } from 'polythene-css';
+import { colors } from '../style';
+import { loadingScreen } from '../layout';
+import { icons } from './elements';
+
+ButtonCSS.addStyle('.itemView-edit-button', {
+  color_light_background: colors.light_blue,
+  color_light_text: 'white',
+});
+
+ButtonCSS.addStyle('.itemView-delete-button', {
+  color_light_text: colors.amiv_red,
+  color_light_border: colors.amiv_red,
+});
+
+export default class ItemView {
+  /* Basic class to show a data item
+   *
+   *  Required:
+   *  - gets attribute 'controller' when rendered
+   */
+  constructor({ attrs: { controller, onDelete } }) {
+    this.controller = controller;
+    this.handler = this.controller.handler;
+    this.data = this.controller.data;
+    this.resource = this.controller.resource;
+    if (!onDelete) this.onDelete = () => { m.route.set(`/${controller.resource}`); };
+    else this.onDelete = onDelete;
+  }
+
+  delete() {
+    Dialog.show({
+      body: 'Are you sure you want to delete this item?',
+      backdrop: true,
+      footerButtons: [
+        m(Button, {
+          label: 'Cancel',
+          events: { onclick: () => Dialog.hide() },
+        }),
+        m(Button, {
+          label: 'Delete',
+          events: {
+            onclick: () => {
+              Dialog.hide();
+              this.controller.handler.delete(this.data).then(this.onDelete);
+            },
+          },
+        })],
+    });
+  }
+
+  layout(children, buttons = []) {
+    if (!this.controller || !this.controller.data) return m(loadingScreen);
+    // update the data reference
+    this.data = this.controller.data;
+    return m('div', [
+      m(Toolbar, [
+        this.data._links.self.methods.indexOf('PATCH') > -1 && m('div', {
+          style: { width: 'calc(100% - 48px)' },
+        }, m('div.pe-button-row', [
+          m(Button, {
+            element: 'div',
+            className: 'itemView-edit-button',
+            label: `Edit ${this.resource.charAt(0).toUpperCase()}${this.resource.slice(1, -1)}`,
+            events: { onclick: () => { this.controller.changeModus('edit'); } },
+          }),
+          m(Button, {
+            label: `Delete ${this.resource.charAt(0).toUpperCase()}${this.resource.slice(1, -1)}`,
+            className: 'itemView-delete-button',
+            border: true,
+            events: { onclick: () => this.delete() },
+          }),
+          ...buttons,
+        ])),
+        m(IconButton, {
+          style: { 'margin-left': 'auto', 'margin-right': '0px' },
+          icon: { svg: { content: m.trust(icons.clear) } },
+          events: { onclick: () => { this.controller.cancel(); } },
+        }),
+
+      ]),
+      m('div', {
+        style: { height: 'calc(100vh - 130px)', 'overflow-y': 'scroll' },
+      }, children),
+    ]);
+  }
+}

webpack.config.dev.js

+const webpack = require('webpack');
+const CompressionPlugin = require('compression-webpack-plugin');
+
+// Start with dev config
+const config = require('./webpack.config.js');
+
+// Remove local server and code map
+config.devServer = undefined;
+//config.devtool = '';
+config.mode = 'production';
+
+config.optimization = {
+    usedExports: true,
+    sideEffects: true,
+    splitChunks: {
+        chunks: 'async', // TODO possibly set to all
+        automaticNameDelimiter: '-',
+        name: true,
+    },
+};
+
+
+// Add optimization plugins
+config.plugins.push(
+    new CompressionPlugin({
+        algorithm: 'gzip',
+        test: /\.js$|\.css$|\.html$/,
+        threshold: 10240,
+        minRatio: 0.8,
+    }),
+);
+
+
+// Replace local with development server config
+config.resolve.alias.networkConfig = `${__dirname}/src/networkConfig.dev.json`;
+module.exports = config;