src/config.js

-export default {
-  styleguideUrl: "https://styleguide.pir-test.eu/latest",
-};

src/containers/AddAnnouncementForm.jsx

 import React, { useState } from "react";
+import classNames from "classnames";
 
 import { addAnnouncement } from "actions/announcements";
 import Button from "components/Button";
+import ErrorMessage from "components/ErrorMessage";
+import MarkdownEditor from "components/mde/MarkdownEditor";
+import { useActionState } from "hooks";
+import { urlRegex } from "utils";
 
 const AddAnnouncementForm = ({ className }) => {
   const [text, setText] = useState("");
+  const [link, setLink] = useState("");
+  const [textError, setTextError] = useState(null);
+  const [linkError, setLinkError] = useState(null);
+  const [type, setType] = useState("announcement");
 
-  const onTextInput = (evt) => {
-    setText(evt.target.value);
+  const [adding, addingError] = useActionState(addAnnouncement, {
+    content: text,
+    link,
+    type,
+  });
+
+  const onTextInput = (newText) => {
+    setText(newText);
+
+    if (newText !== "") {
+      if (newText.length > 1024) {
+        setTextError("Maximální délka příspěvku je 1024 znaků.");
+      } else {
+        setTextError(null);
+      }
+    }
+  };
+
+  const onLinkInput = (newLink) => {
+    setLink(newLink);
+
+    if (!!newLink) {
+      if (newLink.length > 1024) {
+        setLinkError("Maximální délka URL je 256 znaků.");
+      } else {
+        setLinkError(urlRegex.test(newLink) ? null : "Zadejte platnou URL.");
+      }
+    }
   };
 
-  const onAdd = (evt) => {
-    if (!!text) {
-      addAnnouncement.run({ content: text });
+  const onAdd = async (evt) => {
+    evt.preventDefault();
+
+    let preventAction = false;
+    const payload = {
+      content: text,
+      type,
+    };
+
+    if (!text) {
+      setTextError("Před přidáním oznámení nezapomeňte vyplnit jeho obsah.");
+      preventAction = true;
+    } else if (!!text && text.length > 1024) {
+      setTextError("Maximální délka oznámení je 1024 znaků.");
+      preventAction = true;
+    }
+
+    if (type === "voting" && !link) {
+      setLinkError("Zadejte platnou URL.");
+      preventAction = true;
+    } else {
+      payload.link = link;
+    }
+
+    if (preventAction) {
+      return;
+    }
+
+    const result = await addAnnouncement.run({ content: text, link, type });
+
+    if (!result.error) {
       setText("");
+      setLink("");
+      setTextError(null);
+      setLinkError(null);
     }
   };
 
   return (
-    <div className={className}>
-      <div className="form-field">
-        <div className="form-field__wrapper form-field__wrapper--shadowed">
-          <textarea
-            className="text-input form-field__control "
+    <form className={className} onSubmit={onAdd}>
+      {addingError && (
+        <ErrorMessage>
+          Při přidávání oznámení došlo k problému: {addingError}.
+        </ErrorMessage>
+      )}
+      <div className="grid grid-cols-1 gap-4">
+        <div
+          className="form-field"
+          onChange={(evt) => setType(evt.target.value)}
+        >
+          <div className="form-field__wrapper text-sm">
+            <div className="radio form-field__control">
+              <label>
+                <input
+                  type="radio"
+                  name="announcementType"
+                  value="announcement"
+                  defaultChecked
+                />
+                <span>Oznámení</span>
+              </label>
+            </div>
+
+            <div className="radio form-field__control">
+              <label>
+                <input type="radio" name="announcementType" value="voting" />
+                <span>Rozhodující hlasování</span>
+              </label>
+            </div>
+          </div>
+        </div>
+
+        <MarkdownEditor
           value={text}
-            rows="3"
-            cols="40"
-            placeholder="Vyplňte text oznámení"
           onChange={onTextInput}
-          ></textarea>
+          error={textError}
+          placeholder="Vyplňte text oznámení"
+          toolbarCommands={[
+            ["bold", "italic", "strikethrough"],
+            ["link", "unordered-list", "ordered-list"],
+          ]}
+          minEditorHeight={100}
+        />
+
+        <div
+          className={classNames("form-field", {
+            hidden: type !== "voting",
+            "form-field--error": !!linkError,
+          })}
+        >
+          <div className="form-field__wrapper form-field__wrapper--shadowed">
+            <input
+              type="text"
+              className="text-input text-sm text-input--has-addon-l form-field__control"
+              value={link}
+              placeholder="URL hlasování"
+              onChange={(evt) => onLinkInput(evt.target.value)}
+            />
+            <div className="text-input-addon text-input-addon--l order-first">
+              <i className="ico--link"></i>
+            </div>
+          </div>
+          {!!linkError && <div className="form-field__error">{linkError}</div>}
         </div>
       </div>
 
       <Button
-        onClick={onAdd}
-        className="text-sm mt-2"
+        type="submit"
+        className="text-sm mt-4"
         hoverActive
-        disabled={!text}
+        loading={adding}
+        disabled={textError || linkError || adding}
+        fullwidth
       >
         Přidat oznámení
       </Button>
-    </div>
+    </form>
   );
 };
 

src/containers/AddPostForm.jsx

-import React, { useState } from "react";
+import React, { useCallback, useRef, useState } from "react";
+import useOutsideClick from "@rooks/use-outside-click";
+import useTimeout from "@rooks/use-timeout";
+import classNames from "classnames";
 
 import { addPost, addProposal } from "actions/posts";
 import Button from "components/Button";
+import { Card, CardBody } from "components/cards";
+import ErrorMessage from "components/ErrorMessage";
+import MarkdownEditor from "components/mde/MarkdownEditor";
+import { useActionState } from "hooks";
 
-const AddPostForm = ({ className }) => {
+const AddPostForm = ({ className, canAddProposal }) => {
+  const cardRef = useRef();
+  const editorRef = useRef();
+  const [expanded, setExpanded] = useState(false);
   const [text, setText] = useState("");
+  const [showAddConfirm, setShowAddConfirm] = useState(false);
+  const [type, setType] = useState("post");
+  const [error, setError] = useState(null);
+  const [addingPost, addingPostError] = useActionState(addPost, {
+    content: text,
+  });
+  const [addingProposal, addingProposalError] = useActionState(addProposal, {
+    content: text,
+  });
 
-  const onTextInput = (evt) => {
-    setText(evt.target.value);
-  };
+  const apiError = addingPostError || addingProposalError;
+  const is429ApiError =
+    apiError &&
+    apiError.toString().indexOf("Unexpected status code 429") !== -1;
 
-  const onAddPost = (evt) => {
-    if (!!text) {
-      addPost.run({ content: text });
-      setText("");
+  const onOutsideClick = useCallback(() => {
+    setExpanded(false);
+  }, [setExpanded]);
+
+  const onWrite = useCallback(
+    (evt) => {
+      setShowAddConfirm(false);
+
+      if (!expanded) {
+        setExpanded(true);
+        setTimeout(() => {
+          if (
+            editorRef.current &&
+            editorRef.current.finalRefs.textarea.current
+          ) {
+            editorRef.current.finalRefs.textarea.current.focus();
+          }
+        }, 0);
+      }
+    },
+    [setExpanded, expanded, setShowAddConfirm]
+  );
+
+  const hideAddConfirm = useCallback(() => {
+    setShowAddConfirm(false);
+  }, [setShowAddConfirm]);
+
+  useOutsideClick(cardRef, onOutsideClick);
+
+  const { start: enqueueHideAddConfirm } = useTimeout(hideAddConfirm, 2000);
+
+  const onTextInput = (newText) => {
+    setText(newText);
+
+    if (newText !== "") {
+      if (newText.length >= 1024) {
+        setError("Maximální délka příspěvku je 1024 znaků.");
+      } else {
+        setError(null);
+      }
     }
   };
 
-  const onAddProposal = (evt) => {
-    evt.stopPropagation();
+  const onAdd = async (evt) => {
+    evt.preventDefault();
 
     if (!!text) {
-      addProposal.run({ content: text });
+      if (!error) {
+        const result = await (type === "post" ? addPost : addProposal).run({
+          content: text,
+        });
+
+        if (!result.error) {
           setText("");
+          setExpanded(false);
+          setShowAddConfirm(true);
+          enqueueHideAddConfirm();
+        }
+      }
+    } else {
+      setError("Před přidáním příspěvku nezapomeňte vyplnit jeho obsah.");
     }
   };
 
-  const buttonDropdownActionList = (
-    <ul className="dropdown-button__choices bg-white text-black whitespace-no-wrap">
-      <li className="dropdown-button__choice hover:bg-grey-125">
-        <span className="block px-4 py-3" onClick={onAddProposal}>
-          Navrhnout postup
-        </span>
-      </li>
-    </ul>
+  const wrapperClass = classNames(
+    className,
+    "hover:elevation-16 transition duration-500",
+    {
+      "elevation-4 cursor-text": !expanded && !showAddConfirm,
+      "lg:elevation-16 container-padding--zero lg:container-padding--auto": expanded,
+    }
   );
 
   return (
-    <div className={className}>
-      <div className="form-field">
-        <div className="form-field__wrapper form-field__wrapper--shadowed">
-          <textarea
-            className="text-input form-field__control "
+    <Card className={wrapperClass} ref={cardRef}>
+      <span
+        className={classNames("alert items-center transition duration-500", {
+          "alert--success": showAddConfirm,
+          "alert--light": !showAddConfirm,
+          hidden: expanded,
+        })}
+        onClick={onWrite}
+      >
+        <i
+          className={classNames("alert__icon text-lg mr-4", {
+            "ico--checkmark": showAddConfirm,
+            "ico--pencil": !showAddConfirm,
+          })}
+        />
+        {showAddConfirm && <span>Příspěvek byl přidán.</span>}
+        {!showAddConfirm && <span>Napiš nový příspěvek ...</span>}
+      </span>
+      <CardBody
+        className={
+          "p-4 lg:p-8 " + (showAddConfirm || !expanded ? "hidden" : "")
+        }
+      >
+        <form className="space-y-4" onSubmit={onAdd}>
+          {apiError && is429ApiError && (
+            <div className="alert alert--warning">
+              <i className="alert__icon ico--clock text-lg" />
+              <span>
+                <strong>Zpomal!</strong> Další příspěvek můžeš přidat nejdříve
+                po 1 minutě od přidání posledního.
+              </span>
+            </div>
+          )}
+          {apiError && !is429ApiError && (
+            <ErrorMessage>
+              Při přidávání příspěvku došlo k problému: {apiError}.
+            </ErrorMessage>
+          )}
+
+          <MarkdownEditor
+            ref={editorRef}
             value={text}
-            rows="5"
-            cols="40"
-            placeholder="Vyplňte text vašeho příspěvku"
             onChange={onTextInput}
-          ></textarea>
+            error={error}
+            placeholder="Vyplňte text vašeho příspěvku"
+            toolbarCommands={[
+              ["header", "bold", "italic", "strikethrough"],
+              ["link", "quote"],
+              ["unordered-list", "ordered-list"],
+            ]}
+          />
+
+          {canAddProposal && (
+            <div
+              className="form-field"
+              onChange={(evt) => setType(evt.target.value)}
+            >
+              <div className="form-field__wrapper form-field__wrapper--freeform flex-col sm:flex-row">
+                <div className="radio form-field__control">
+                  <label>
+                    <input
+                      type="radio"
+                      name="postType"
+                      value="post"
+                      defaultChecked
+                    />
+                    <span className="text-sm sm:text-base">
+                      Přidávám <strong>běžný příspěvek</strong>
+                    </span>
+                  </label>
+                </div>
+
+                <div className="radio form-field__control ml-0 mt-4 sm:mt-0 sm:ml-4">
+                  <label>
+                    <input
+                      type="radio"
+                      name="postType"
+                      value="procedure-proposal"
+                    />
+                    <span className="text-sm sm:text-base">
+                      Přidávám <strong>návrh postupu</strong>
+                    </span>
+                  </label>
                 </div>
               </div>
+            </div>
+          )}
+
+          {type === "procedure-proposal" && (
+            <p className="alert alert--light text-sm">
+              <i className="alert__icon ico--info mr-2 text-lg hidden md:block" />
+              <span>
+                Návrh postupu se v rozpravě zobrazí až poté, co předsedající{" "}
+                <strong>posoudí jeho přijatelnost</strong>. Po odeslání proto
+                nepanikař, že jej hned nevidíš.
+              </span>
+            </p>
+          )}
 
           <div className="space-x-4">
             <Button
-          onClick={onAddPost}
-          disabled={!text}
+              type="submit"
+              disabled={error || addingPost || addingProposal}
+              loading={addingPost || addingProposal}
+              fullwidth
               hoverActive
-          icon="ico--chevron-down"
-          iconWrapperClassName="dropdown-button"
-          iconChildren={buttonDropdownActionList}
+              className="text-sm xl:text-base"
             >
-          Přidat příspěvek
+              {type === "post" && "Přidat příspěvek"}
+              {type === "procedure-proposal" && "Navrhnout postup"}
             </Button>
 
             <span className="text-sm text-grey-200 hidden lg:inline">
@@ -76,7 +229,9 @@ const AddPostForm = ({ className }) => {
               .
             </span>
           </div>
-    </div>
+        </form>
+      </CardBody>
+    </Card>
   );
 };
 

src/containers/AnnoucementsContainer.jsx

-import React, { useCallback, useState } from "react";
+import React from "react";
 
 import {
   deleteAnnouncement,
-  updateAnnouncementContent,
+  loadAnnouncements,
+  markSeen,
+  updateAnnouncement,
 } from "actions/announcements";
 import AnnouncementEditModal from "components/annoucements/AnnouncementEditModal";
 import AnnouncementList from "components/annoucements/AnnouncementList";
+import { CardBody } from "components/cards";
+import ErrorMessage from "components/ErrorMessage";
 import ModalConfirm from "components/modals/ModalConfirm";
 import { useItemActionConfirm } from "hooks";
-import { AnnouncementStore } from "stores";
+import { AnnouncementStore, AuthStore } from "stores";
 
-const AnnoucementsContainer = () => {
-  const [itemToEdit, setItemToEdit] = useState(null);
+const AnnoucementsContainer = ({ className }) => {
+  const { 2: loadResult } = loadAnnouncements.useWatch();
 
   const [
     itemToDelete,
     setItemToDelete,
     onDeleteConfirm,
     onDeleteCancel,
+    deleteState,
   ] = useItemActionConfirm(deleteAnnouncement);
 
-  const items = AnnouncementStore.useState((state) => state.items);
+  const [
+    itemToEdit,
+    setItemToEdit,
+    onEditConfirm,
+    onEditCancel,
+    editState,
+  ] = useItemActionConfirm(updateAnnouncement, (item, payload) => ({
+    item,
+    payload,
+  }));
 
-  const confirmEdit = useCallback(
-    async (newContent) => {
-      if (itemToEdit && newContent) {
-        await updateAnnouncementContent.run({ item: itemToEdit, newContent });
-        setItemToEdit(null);
-      }
-    },
-    [itemToEdit, setItemToEdit]
+  const { isAuthenticated, user } = AuthStore.useState();
+  const items = AnnouncementStore.useState((state) =>
+    state.itemIds.map((id) => state.items[id])
   );
 
-  const cancelEdit = useCallback(() => {
-    setItemToEdit(null);
-  }, [setItemToEdit]);
-
   return (
-    <>
+    <div className={className}>
+      {loadResult && loadResult.error && (
+        <CardBody>
+          <ErrorMessage>
+            Oznámení se nepodařilo načíst: {loadResult.message}
+          </ErrorMessage>
+        </CardBody>
+      )}
       <AnnouncementList
         items={items}
-        displayActions={true}
+        canRunActions={isAuthenticated && user.role === "chairman"}
         onDelete={setItemToDelete}
         onEdit={setItemToEdit}
+        onSeen={markSeen}
       />
       <ModalConfirm
         isOpen={!!itemToDelete}
         onConfirm={onDeleteConfirm}
         onCancel={onDeleteCancel}
-        title="Opravdu chcete toto oznámení smazat?"
+        confirming={deleteState.loading}
+        error={deleteState.error}
+        title="Opravdu smazat?"
         yesActionLabel="Smazat"
       >
-        Opravdu chcete ukončit rozpravu?
+        Tato akce je nevratná. Opravdu chcete toto oznámení smazat?
       </ModalConfirm>
       {itemToEdit && (
         <AnnouncementEditModal
           isOpen={true}
           announcement={itemToEdit}
-          onConfirm={confirmEdit}
-          onCancel={cancelEdit}
+          onConfirm={onEditConfirm}
+          onCancel={onEditCancel}
+          confirming={editState.loading}
+          error={editState.error}
         />
       )}
-    </>
+    </div>
   );
 };
 

src/containers/GlobalStats.jsx

+import React from "react";
+import { Link } from "react-router-dom";
+import { format, isToday } from "date-fns";
+import pick from "lodash/pick";
+
+import { GlobalInfoStore, ProgramStore } from "stores";
+
+const GlobalStats = () => {
+  const {
+    onlineUsers,
+    onlineMembers,
+    groupSizeHalf,
+  } = GlobalInfoStore.useState((state) =>
+    pick(state, ["onlineUsers", "onlineMembers", "groupSizeHalf"])
+  );
+  const { currentId, scheduleIds, items } = ProgramStore.useState((state) =>
+    pick(state, ["currentId", "scheduleIds", "items"])
+  );
+
+  const nextProgramEntryId = scheduleIds
+    ? scheduleIds[currentId ? scheduleIds.indexOf(currentId) + 1 : 0]
+    : null;
+
+  const nextProgramEntry = nextProgramEntryId
+    ? items[nextProgramEntryId]
+    : null;
+
+  const nextProgramEntryCaption = nextProgramEntry
+    ? `${nextProgramEntry.title} @ ${format(
+        nextProgramEntry.expectedStartAt,
+        isToday(nextProgramEntry.expectedStartAt) ? "H:mm" : "dd. MM. H:mm"
+      )}`
+    : null;
+
+  return (
+    <div className="bg-grey-50 flex space-x-4 leading-normal px-4 py-2 text-2xs md:text-xs lg:text-sm text-grey-300 whitespace-no-wrap">
+      <div
+        data-tip="Počet přihlášených členů Pirátské strany."
+        data-tip-at="bottom"
+      >
+        <strong>{onlineMembers}</strong>{" "}
+        <span>
+          {onlineMembers === 1 && "člen online"}
+          {onlineMembers > 1 && onlineMembers <= 4 && "členové online"}
+          {(onlineMembers === 0 || onlineMembers > 4) && "členů online"}
+        </span>
+      </div>
+      <div
+        data-tip="Celkový počet osob, které mají tuto stránku otevřenou."
+        data-tip-at="bottom"
+      >
+        <strong>{onlineUsers}</strong> <span>online celkem</span>
+      </div>
+      {groupSizeHalf !== null && (
+        <div
+          data-tip="Velikost skupiny členů je důležitá při posuzování podpory návrhů postupu."
+          data-tip-at="bottom"
+        >
+          <span>Vel. skupiny členů je</span> <strong>{groupSizeHalf}</strong>
+        </div>
+      )}
+      {nextProgramEntry && (
+        <div className="flex-grow text-right hidden sm:block lg:hidden xl:block truncate">
+          Následuje:{" "}
+          <Link
+            to="/program"
+            className="font-bold"
+            aria-label={nextProgramEntryCaption}
+            data-tip={"Následuje bod " + nextProgramEntryCaption}
+            data-tip-at="bottom"
+          >
+            {nextProgramEntryCaption}
+          </Link>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default GlobalStats;

src/containers/JitsiInviteCard.jsx

+import React from "react";
+
+import { loadMe } from "actions/users";
+import Button from "components/Button";
+import { CardBody } from "components/cards";
+import ErrorMessage from "components/ErrorMessage";
+import { useActionState } from "hooks";
+import { AuthStore } from "stores";
+
+const JitsiInviteCard = () => {
+
+  // docasne zablokovano
+  return null;
+
+  const { showJitsiInvitePopup, jitsiPopupDismissed } = AuthStore.useState();
+  const [loading, errorMessage] = useActionState(loadMe);
+
+  const openJitsiWindow = async () => {
+    const result = await loadMe.run();
+
+    if (!result.error) {
+      window.open(result.payload.jitsi_url);
+    }
+
+    AuthStore.update((state) => {
+      state.jitsiPopupDismissed = true;
+    });
+  };
+
+  const dismissPopup = () => {
+    AuthStore.update((state) => {
+      state.jitsiPopupDismissed = true;
+    });
+  };
+
+  if (!showJitsiInvitePopup) {
+    return null;
+  }
+
+  if (jitsiPopupDismissed) {
+    return (
+      <Button
+        color="violet-500"
+        className="btn--fullwidth"
+        onClick={openJitsiWindow}
+        loading={loading}
+        icon="ico--jitsi"
+      >
+        Připojit se k Jitsi
+      </Button>
+    );
+  }
+
+  return (
+    <div className="lg:card lg:elevation-16 bg-violet-300 relative container-padding--zero md:container-padding--auto">
+      <i className="ico--jitsi text-9xl mr-2 text-violet-500 absolute right-0 top-0 opacity-25 z-0" />
+      <CardBody className="p-4 lg:p-8 text-white relative z-10">
+        <div className="flex items-center justify-between mb-4">
+          <h2 className="head-heavy-xs">
+            <span>Pozvánka do Jitsi</span>
+          </h2>
+          <button
+            type="button"
+            onClick={dismissPopup}
+            aria-label="Zavřít"
+            data-tip="Zavřít"
+          >
+            <i className="ico--cross"></i>
+          </button>
+        </div>
+        {errorMessage && (
+          <ErrorMessage>
+            Při načítání URL Jitsi kanálu došlo k problému: {errorMessage}.
+          </ErrorMessage>
+        )}
+        <p className="leading-snug text-sm mb-4">
+          Někdo tě pozval do <strong>chráněného Jitsi kanálu</strong>{" "}
+          celeostátního fóra. Ke kanálu se připojíš kliknutím na tlačítko níže.
+        </p>
+        <Button
+          color="violet-500"
+          className="btn--fullwidth"
+          onClick={openJitsiWindow}
+          loading={loading}
+        >
+          Připojit se k Jitsi
+        </Button>
+      </CardBody>
+    </div>
+  );
+};
+
+export default JitsiInviteCard;

src/containers/PostFilters.jsx

-import React, { useCallback } from "react";
-import pick from "lodash/pick";
+import React from "react";
 
-import Chip from "components/Chip";
 import Dropdown from "components/Dropdown";
 import { PostStore } from "stores";
 import { updateWindowPosts } from "utils";
 
 const PostFilters = () => {
-  const { window, filters } = PostStore.useState((state) =>
-    pick(state, ["window", "filters", "items"])
-  );
+  const filters = PostStore.useState((state) => state.filters);
 
   const flagsOptions = [
     { title: "Vše", value: "all" },
@@ -25,19 +21,13 @@ const PostFilters = () => {
     { title: "Jen návrhy", value: "proposalsOnly" },
     { title: "Jen příspěvky", value: "discussionOnly" },
   ];
-  const hasNextPage = window.page * window.perPage < window.itemCount;
-  const hasPrevPage = window.page > 1;
 
-  const setFilter = (prop, newValue, resetPage = true) => {
+  const setFilter = (prop, newValue) => {
     PostStore.update((state) => {
       state.filters[prop] = newValue;
       state.window.itemCount = state.window.items.length;
 
       updateWindowPosts(state);
-
-      if (resetPage) {
-        state.window.page = 1;
-      }
     });
   };
 
@@ -45,27 +35,9 @@ const PostFilters = () => {
   const onSortChange = (newValue) => setFilter("sort", newValue, false);
   const onTypeChange = (newValue) => setFilter("type", newValue);
 
-  const onNextPage = useCallback(() => {
-    if (hasNextPage) {
-      PostStore.update((state) => {
-        state.window.page = state.window.page + 1;
-      });
-    }
-  }, [hasNextPage]);
-  const onPrevPage = useCallback(() => {
-    if (hasPrevPage) {
-      PostStore.update((state) => {
-        state.window.page = state.window.page - 1;
-      });
-    }
-  }, [hasPrevPage]);
-
-  const enabledPaginatorClass = "cursor-pointer text-xs";
-  const disabledPaginatorClass = "opacity-25 cursor-not-allowed text-xs";
-
   return (
     <div className="flex flex-col space-y-2 xl:space-y-0 xl:space-x-8 xl:flex-row xl:items-center">
-      <div className="-mx-1">
+      <div className="-mx-1 joyride-filters">
         <Dropdown
           value={filters.flags}
           onChange={onFlagsChange}
@@ -85,29 +57,6 @@ const PostFilters = () => {
           className="text-xs ml-1 mt-2 xl:mt-0"
         />
       </div>
-
-      <div>
-        <Chip
-          color="grey-125"
-          className={
-            hasPrevPage ? enabledPaginatorClass : disabledPaginatorClass
-          }
-          hoveractive
-          onClick={onPrevPage}
-        >
-          <span className="ico--chevron-left"></span>
-        </Chip>
-        <Chip
-          color="grey-125"
-          className={
-            hasNextPage ? enabledPaginatorClass : disabledPaginatorClass
-          }
-          hoveractive
-          onClick={onNextPage}
-        >
-          <span className="ico--chevron-right"></span>
-        </Chip>
-      </div>
     </div>
   );
 };

src/hooks.js

 import { useCallback, useState } from "react";
 
-export const useItemActionConfirm = (actionFn) => {
+const baseActionParamsBuilder = (item, args) => {
+  return item;
+};
+
+export const useItemActionConfirm = (actionFn, actionParamsBuilder = null) => {
   const [item, setItem] = useState(null);
+  const [actionArgs, setActionArgs] = useState(null);
 
-  const onActionConfirm = useCallback(() => {
+  const onActionConfirm = useCallback(
+    async (args) => {
       if (item) {
-      actionFn.run(item);
+        const newActionArgs = (actionParamsBuilder || baseActionParamsBuilder)(
+          item,
+          args,
+        );
+        setActionArgs(newActionArgs);
+        const result = await actionFn.run(newActionArgs);
+
+        if (!result.error) {
           setItem(null);
         }
-  }, [item, setItem, actionFn]);
+      }
+    },
+    [item, setItem, actionFn, actionParamsBuilder, setActionArgs],
+  );
 
   const onActionCancel = useCallback(() => {
     setItem(null);
   }, [setItem]);
 
-  return [item, setItem, onActionConfirm, onActionCancel];
+  const [loading, error] = useActionState(actionFn, actionArgs);
+  const unwrappedActionState = { loading, error };
+
+  return [item, setItem, onActionConfirm, onActionCancel, unwrappedActionState];
 };
 
-export const useActionConfirm = (actionFn) => {
+export const useActionConfirm = (actionFn, actionArgs) => {
   const [showConfirm, setShowConfirm] = useState(false);
 
-  const onActionConfirm = useCallback(() => {
+  const onActionConfirm = useCallback(async () => {
     if (showConfirm) {
-      actionFn.run();
+      const result = await actionFn.run(actionArgs);
+
+      if (!result.error) {
         setShowConfirm(false);
       }
-  }, [showConfirm, setShowConfirm, actionFn]);
+    }
+  }, [showConfirm, setShowConfirm, actionFn, actionArgs]);
 
   const onActionCancel = useCallback(() => {
     setShowConfirm(false);
@@ -33,3 +55,8 @@ export const useActionConfirm = (actionFn) => {
 
   return [showConfirm, setShowConfirm, onActionConfirm, onActionCancel];
 };
+
+export const useActionState = (actionFn, actionArgs) => {
+  const { 0: started, 1: finished, 2: result } = actionFn.useWatch(actionArgs);
+  return [started && !finished, result.error ? result.message : null];
+};

src/index.js

 import React from "react";
-import ReactDOM from "react-dom";
+import ReactDOM from "react-dom/client";
 import ReactModal from "react-modal";
 
+import { refreshAccessToken } from "actions/users";
+
 import App from "./App";
 import * as serviceWorker from "./serviceWorker";
 
-const root = document.getElementById("root");
+const root = ReactDOM.createRoot(document.getElementById("root"));
+
+function handleVisibilityChange() {
+  if (!document.hidden) {
+    refreshAccessToken();
+  }
+}
+
+document.addEventListener("visibilitychange", handleVisibilityChange, false);
 
-ReactDOM.render(
+root.render(
   <React.StrictMode>
     <App />
-  </React.StrictMode>,
-  root
+  </React.StrictMode>
 );
-ReactModal.setAppElement(root);
+ReactModal.setAppElement(document.getElementById("root"));
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.

src/keycloak.js

@@ -2,7 +2,7 @@ import Keycloak from "keycloak-js";
 
 // Setup Keycloak instance as needed
 // Pass initialization options as required or leave blank to load from 'keycloak.json'
-const keycloak = Keycloak({
+const keycloak = new Keycloak({
   url: "https://auth.pirati.cz/auth",
   realm: "pirati",
   clientId: "cf-online",

src/markdown.js

+import Showdown from "showdown";
+import xss from "xss";
+
+const xssFilter = (converter) => [
+  {
+    type: "output",
+    filter: (text) => xss(text),
+  },
+];
+
+export const markdownConverter = new Showdown.Converter({
+  tables: true,
+  simplifiedAutoLink: true,
+  strikethrough: true,
+  tasklists: false,
+  omitExtraWLInCodeBlocks: true,
+  noHeaderId: true,
+  headerLevelStart: 2,
+  openLinksInNewWindow: true,
+  extensions: [xssFilter],
+});

src/pages/Home.css

+/* auto-size iframe according to aspect ratio while keeping the 100% height */
+.iframe-container {
+  position: relative;
+  padding-bottom: 56.25%; /* 16:9 */
+  height: 0;
+}
+
+.iframe-container iframe {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}

src/pages/NotFound.jsx

+import React from "react";
+import { Helmet } from "react-helmet-async";
+
+import Button from "components/Button";
+
+const NotFound = () => (
+  <>
+    <Helmet>
+      <title>404ka | CF 2024 | Pirátská strana</title>
+      <meta name="description" content="Tahle stránka tu není." />
+      <meta property="og:title" content="404ka | CF 2024 | Pirátská strana" />
+      <meta property="og:description" content="Tahle stránka tu není." />
+    </Helmet>
+    <article className="container container--default py-8 lg:py-24">
+      <h1 className="head-alt-base lg:head-alt-lg mb-8">
+        404ka: tak tahle stránka tu není
+      </h1>
+      <p className="text-base lg:text-xl mb-8">
+        Dostal/a ses na takzvanou „<strong>čtyřystačtyřku</strong>“, což
+        znamená, že stránka, kterou jsi se pokusil/a navštívit, na tomhle webu
+        není. Zkontroluj, zda máš správný odkaz.
+      </p>
+      <Button
+        routerTo="/"
+        className="text-base lg:text-xl"
+        hoverActive
+        fullwidth
+      >
+        Přejít na hlavní stránku
+      </Button>
+    </article>
+  </>
+);
+
+export default NotFound;