src/actions/announcements.js

-import findIndex from "lodash/findIndex";
-import remove from "lodash/remove";
-import { createAsyncAction, successResult } from "pullstate";
+import keyBy from "lodash/keyBy";
+import property from "lodash/property";
+import { createAsyncAction, errorResult, successResult } from "pullstate";
 
+import { fetchApi } from "api";
 import { AnnouncementStore } from "stores";
+import {
+  announcementTypeMappingRev,
+  createSeenWriter,
+  parseRawAnnouncement,
+  seenAnnouncementsLSKey,
+  syncAnnoucementItemIds,
+} from "utils";
 
-/**
- * Add new announcement.
- */
-export const addAnnouncement = createAsyncAction(
-  async ({ content }) => {
-    /** @type {CF2021.Announcement} */
-    const payload = {
-      id: "999",
-      datetime: new Date(),
-      type: "announcement",
-      content,
-      seen: true,
-    };
-
-    return successResult(payload);
+export const loadAnnouncements = createAsyncAction(
+  async () => {
+    try {
+      const resp = await fetchApi("/announcements");
+      const data = await resp.json();
+      return successResult(data.data);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
   },
   {
     postActionHook: ({ result }) => {
       if (!result.error) {
+        const announcements = result.payload.map(parseRawAnnouncement);
+
         AnnouncementStore.update((state) => {
-          state.items.push(result.payload);
+          state.items = keyBy(announcements, property("id"));
+          syncAnnoucementItemIds(state);
         });
       }
     },
+  },
+);
+
+/**
+ * Add new announcement.
+ */
+export const addAnnouncement = createAsyncAction(
+  async ({ content, link, type }) => {
+    try {
+      const body = JSON.stringify({
+        content,
+        link,
+        type: announcementTypeMappingRev[type],
+      });
+      const resp = await fetchApi("/announcements", {
+        method: "POST",
+        body,
+        expectedStatus: 201,
+      });
+      const data = await resp.json();
+      return successResult(data.data);
+    } catch (err) {
+      return errorResult([], err.toString());
     }
+  },
 );
 
 /**
@@ -40,41 +69,52 @@ export const deleteAnnouncement = createAsyncAction(
    * @param {CF2021.Announcement} item
    */
   async (item) => {
-    return successResult(item);
-  },
-  {
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        AnnouncementStore.update((state) => {
-          remove(state.items, { id: result.payload.id });
+    try {
+      await fetchApi(`/announcements/${item.id}`, {
+        method: "DELETE",
+        expectedStatus: 204,
       });
+      return successResult({ item });
+    } catch (err) {
+      return errorResult([], err.toString());
     }
   },
-  }
 );
 
 /**
- * Update content of an announcement.
+ * Update an announcement.
  */
-export const updateAnnouncementContent = createAsyncAction(
+export const updateAnnouncement = createAsyncAction(
   /**
    *
    * @param {CF2021.Announcement} item
-   * @param {string} newContent
+   * @param {Object} payload
    */
-  async ({ item, newContent }) => {
-    return successResult({ item, newContent });
-  },
-  {
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        AnnouncementStore.update((state) => {
-          const itemIdx = findIndex(state.items, {
-            id: result.payload.item.id,
-          });
-          state.items[itemIdx].content = result.payload.newContent;
+  async ({ item, payload }) => {
+    try {
+      const body = JSON.stringify(payload);
+      await fetchApi(`/announcements/${item.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
       });
+      return successResult({ item, payload });
+    } catch (err) {
+      return errorResult([], err.toString());
     }
   },
-  }
 );
+
+const { markSeen: storeSeen } = createSeenWriter(seenAnnouncementsLSKey);
+
+/**
+ * Mark down user saw this post already.
+ * @param {CF2021.Post} post
+ */
+export const markSeen = (post) => {
+  storeSeen(post.id);
+
+  AnnouncementStore.update((state) => {
+    state.items[post.id].seen = true;
+  });
+};

src/actions/global-info.js

+import isArray from "lodash/isArray";
+import { createAsyncAction, errorResult, successResult } from "pullstate";
+
+import { fetchApi } from "api";
+import { markdownConverter } from "markdown";
+import { GlobalInfoStore } from "stores";
+
+export const loadConfig = createAsyncAction(
+  async () => {
+    try {
+      const resp = await fetchApi("/config");
+      const payload = await resp.json();
+
+      if (!isArray(payload)) {
+        return errorResult([], "Unexpected response format");
+      }
+
+      return successResult(payload);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+  {
+    postActionHook: ({ result }) => {
+      if (!result.error) {
+        GlobalInfoStore.update((state) => {
+          result.payload.forEach((rawConfigItem) => {
+            if (rawConfigItem.id === "stream_url") {
+              state.streamUrl = rawConfigItem.value;
+            }
+            if (rawConfigItem.id === "websocket_url") {
+              state.websocketUrl = rawConfigItem.value;
+            }
+            if (rawConfigItem.id === "record_url") {
+              state.protocolUrl = rawConfigItem.value;
+            }
+          });
+        });
+      }
+    },
+  },
+);
+
+export const loadProtocol = createAsyncAction(
+  async () => {
+    const { protocolUrl } = GlobalInfoStore.getRawState();
+
+    try {
+      const resp = await fetch(protocolUrl);
+
+      if (resp.status !== 200) {
+        return errorResult([], `Unexpected status code ${resp.status}`);
+      }
+
+      return successResult(await resp.text());
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+  {
+    postActionHook: ({ result }) => {
+      if (!result.error) {
+        GlobalInfoStore.update((state) => {
+          state.protocol = markdownConverter.makeHtml(result.payload);
+        });
+      }
+    },
+  },
+);

src/actions/misc.js

-import { createAsyncAction, errorResult, successResult } from "pullstate";
-import fetch from "unfetch";
-
-import { AuthStore } from "stores";
-
-export const loadGroupMappings = createAsyncAction(
-  async () => {
-    try {
-      const resp = await fetch("https://iapi.pirati.cz/v1/groups");
-      const mappings = await resp.json();
-      return successResult(mappings);
-    } catch (err) {
-      return errorResult([], err.toString());
-    }
-  },
-  {
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        AuthStore.update((state) => {
-          state.groupMappings = result.payload;
-        });
-      }
-    },
-  }
-);

src/actions/posts.js

+import keyBy from "lodash/keyBy";
+import property from "lodash/property";
 import { createAsyncAction, errorResult, successResult } from "pullstate";
 
-import { PostStore } from "stores";
-import { updateWindowPosts } from "utils";
+import { fetchApi } from "api";
+import { AuthStore, PostStore } from "stores";
+import {
+  createSeenWriter,
+  filterPosts,
+  parseRawPost,
+  postsStateMappingRev,
+  postsTypeMappingRev,
+  seenPostsLSKey,
+} from "utils";
 
-export const like = createAsyncAction(
-  /**
-   * @param {CF2021.Post} post
-   */
-  async (post) => {
-    return successResult(post);
-  },
-  {
-    shortCircuitHook: ({ args }) => {
-      if (args.ranking.myVote !== "none") {
-        return errorResult();
+export const loadPosts = createAsyncAction(
+  async () => {
+    try {
+      const resp = await fetchApi("/posts", { expectedStatus: 200 });
+      const data = await resp.json();
+      return successResult(data.data);
+    } catch (err) {
+      return errorResult([], err.toString());
     }
-
-      return false;
   },
+  {
     postActionHook: ({ result }) => {
-      if (!result.error) {
+      if (!result.error && result.payload) {
+        const posts = result.payload.map(parseRawPost);
+
         PostStore.update((state) => {
-          state.items[result.payload.id].ranking.likes += 1;
-          state.items[result.payload.id].ranking.score += 1;
-          state.items[result.payload.id].ranking.myVote = "like";
+          const filteredPosts = filterPosts(state.filters, posts);
 
-          if (state.filters.sort === "byScore") {
-            updateWindowPosts(state);
-          }
+          state.items = keyBy(posts, property("id"));
+          state.itemCount = state.items.length;
+          state.window = {
+            items: filteredPosts.map(property("id")),
+            itemCount: filteredPosts.length,
+          };
         });
       }
     },
-  }
+  },
 );
 
-export const removeLike = createAsyncAction(
+export const like = createAsyncAction(
   /**
    * @param {CF2021.Post} post
    */
   async (post) => {
+    try {
+      await fetchApi(`/posts/${post.id}/like`, {
+        method: "PATCH",
+        expectedStatus: 204,
+      });
       return successResult(post);
-  },
-  {
-    shortCircuitHook: ({ args }) => {
-      if (args.ranking.myVote !== "like") {
-        return errorResult();
+    } catch (err) {
+      return errorResult([], err.toString());
     }
-
-      return false;
   },
+  {
     postActionHook: ({ result }) => {
       if (!result.error) {
         PostStore.update((state) => {
-          state.items[result.payload.id].ranking.likes -= 1;
-          state.items[result.payload.id].ranking.score -= 1;
-          state.items[result.payload.id].ranking.myVote = "none";
-
-          if (state.filters.sort === "byScore") {
-            updateWindowPosts(state);
-          }
+          state.items[result.payload.id].ranking.myVote =
+            state.items[result.payload.id].ranking.myVote !== "like"
+              ? "like"
+              : "none";
         });
       }
     },
-  }
+  },
 );
 
 export const dislike = createAsyncAction(
@@ -70,162 +77,163 @@ export const dislike = createAsyncAction(
    * @param {CF2021.Post} post
    */
   async (post) => {
+    try {
+      await fetchApi(`/posts/${post.id}/dislike`, {
+        method: "PATCH",
+        expectedStatus: 204,
+      });
       return successResult(post);
-  },
-  {
-    shortCircuitHook: ({ args }) => {
-      if (args.ranking.myVote !== "none") {
-        return errorResult();
+    } catch (err) {
+      return errorResult([], err.toString());
     }
-
-      return false;
   },
+  {
     postActionHook: ({ result }) => {
       if (!result.error) {
         PostStore.update((state) => {
-          state.items[result.payload.id].ranking.dislikes += 1;
-          state.items[result.payload.id].ranking.score -= 1;
-          state.items[result.payload.id].ranking.myVote = "dislike";
-
-          if (state.filters.sort === "byScore") {
-            updateWindowPosts(state);
-          }
+          state.items[result.payload.id].ranking.myVote =
+            state.items[result.payload.id].ranking.myVote !== "dislike"
+              ? "dislike"
+              : "none";
         });
       }
     },
-  }
+  },
 );
 
-export const removeDislike = createAsyncAction(
 /**
-   * @param {CF2021.Post} post
+ * Add new discussion post.
  */
-  async (post) => {
-    return successResult(post);
-  },
-  {
-    shortCircuitHook: ({ args }) => {
-      if (args.ranking.myVote !== "dislike") {
-        return errorResult();
+export const addPost = createAsyncAction(async ({ content }) => {
+  try {
+    const body = JSON.stringify({
+      content,
+      type: postsTypeMappingRev["post"],
+    });
+    await fetchApi(`/posts`, { method: "POST", body, expectedStatus: 201 });
+    return successResult();
+  } catch (err) {
+    return errorResult([], err.toString());
   }
+});
 
-      return false;
-    },
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        PostStore.update((state) => {
-          state.items[result.payload.id].ranking.dislikes -= 1;
-          state.items[result.payload.id].ranking.score += 1;
-          state.items[result.payload.id].ranking.myVote = "none";
-
-          if (state.filters.sort === "byScore") {
-            updateWindowPosts(state);
-          }
+/**
+ * Add new proposal.
+ */
+export const addProposal = createAsyncAction(async ({ content }) => {
+  try {
+    const body = JSON.stringify({
+      content,
+      type: postsTypeMappingRev["procedure-proposal"],
     });
+    await fetchApi(`/posts`, { method: "POST", body, expectedStatus: 201 });
+    return successResult();
+  } catch (err) {
+    return errorResult([], err.toString());
   }
-    },
-  }
-);
+});
 
 /**
- * Add new discussion post.
+ * Hide existing post.
  */
-export const addPost = createAsyncAction(
-  async ({ content }) => {
-    /** @type {CF2021.DiscussionPost} */
-    const payload = {
-      id: "999",
-      datetime: new Date(),
-      author: {
-        name: "John Doe",
-        group: "KS Pardubický kraj",
-      },
-      type: "post",
-      content,
-      ranking: {
-        score: 0,
-        likes: 0,
-        dislikes: 0,
-        myVote: "none",
-      },
-      historyLog: [],
-      archived: false,
-      hidden: false,
-      seen: true,
-    };
-    return successResult(payload);
-  },
-  {
-    postActionHook: ({ result }) => {
-      PostStore.update((state) => {
-        state.items[result.payload.id] = result.payload;
-        updateWindowPosts(state);
+export const hide = createAsyncAction(
+  /**
+   * @param {CF2021.Post} post
+   */
+  async (post) => {
+    try {
+      await fetchApi(`/posts/${post.id}`, {
+        method: "DELETE",
+        expectedStatus: 204,
       });
-    },
+      return successResult();
+    } catch (err) {
+      return errorResult([], err.toString());
     }
+  },
 );
 
 /**
- * Add new proposal.
+ * Edit post content.
  */
-export const addProposal = createAsyncAction(
-  async ({ content }) => {
-    /** @type {CF2021.ProposalPost} */
-    const payload = {
-      id: "999",
-      datetime: new Date(),
-      author: {
-        name: "John Doe",
-        group: "KS Pardubický kraj",
-      },
-      type: "procedure-proposal",
-      state: "pending",
-      content,
-      ranking: {
-        score: 0,
-        likes: 0,
-        dislikes: 0,
-        myVote: "none",
+export const edit = createAsyncAction(
+  /**
+   * @param {CF2021.Post} post
+   */
+  async ({ post, newContent }) => {
+    try {
+      const body = JSON.stringify({
+        content: newContent,
+      });
+      await fetchApi(`/posts/${post.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult();
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
   },
-      historyLog: [],
-      archived: false,
-      hidden: false,
-      seen: true,
-    };
+  {
+    shortCircuitHook: ({ args }) => {
+      const { user } = AuthStore.getRawState();
 
-    return successResult(payload);
+      if (!user) {
+        return errorResult();
+      }
+
+      if (user && user.isBanned) {
+        return errorResult();
+      }
+
+      return false;
     },
-  {
-    postActionHook: ({ result }) => {
-      PostStore.update((state) => {
-        state.items[result.payload.id] = result.payload;
-        updateWindowPosts(state);
-      });
   },
-  }
 );
 
 /**
- * Hide existing post.
+ * Archive post.
  */
-export const hide = createAsyncAction(
+export const archive = createAsyncAction(
   /**
    * @param {CF2021.Post} post
    */
   async (post) => {
-    return successResult(post);
-  },
-  {
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        PostStore.update((state) => {
-          state.items[result.payload.id].hidden = true;
+    try {
+      const body = JSON.stringify({
+        is_archived: true,
+      });
+      await fetchApi(`/posts/${post.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
       });
+      return successResult();
+    } catch (err) {
+      return errorResult([], err.toString());
     }
   },
-  }
 );
 
+/**
+ *
+ * @param {CF2021.ProposalPost} proposal
+ * @param {CF2021.ProposalPostState} state
+ */
+const updateProposalState = async (proposal, state, additionalPayload) => {
+  const body = JSON.stringify({
+    state: postsStateMappingRev[state],
+    ...(additionalPayload || {}),
+  });
+  await fetchApi(`/posts/${proposal.id}`, {
+    method: "PUT",
+    body,
+    expectedStatus: 204,
+  });
+  return successResult(proposal);
+};
+
 /**
  * Announce procedure proposal.
  */
@@ -233,8 +241,8 @@ export const announceProposal = createAsyncAction(
   /**
    * @param {CF2021.ProposalPost} proposal
    */
-  async (proposal) => {
-    return successResult(proposal);
+  (proposal) => {
+    return updateProposalState(proposal, "announced");
   },
   {
     shortCircuitHook: ({ args }) => {
@@ -248,14 +256,7 @@ export const announceProposal = createAsyncAction(
 
       return false;
     },
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        PostStore.update((state) => {
-          state.items[result.payload.id].state = "announced";
-        });
-      }
   },
-  }
 );
 
 /**
@@ -265,29 +266,22 @@ export const acceptProposal = createAsyncAction(
   /**
    * @param {CF2021.ProposalPost} proposal
    */
-  async (proposal) => {
-    return successResult(proposal);
+  ({ proposal, archive }) => {
+    return updateProposalState(proposal, "accepted", { is_archived: archive });
   },
   {
     shortCircuitHook: ({ args }) => {
-      if (args.type !== "procedure-proposal") {
+      if (args.proposal.type !== "procedure-proposal") {
         return errorResult();
       }
 
-      if (args.state !== "announced") {
+      if (args.proposal.state !== "announced") {
         return errorResult();
       }
 
       return false;
     },
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        PostStore.update((state) => {
-          state.items[result.payload.id].state = "accepted";
-        });
-      }
   },
-  }
 );
 
 /**
@@ -297,27 +291,61 @@ export const rejectProposal = createAsyncAction(
   /**
    * @param {CF2021.ProposalPost} proposal
    */
-  async (proposal) => {
-    return successResult(proposal);
+  ({ proposal, archive }) => {
+    return updateProposalState(proposal, "rejected", { is_archived: archive });
   },
   {
     shortCircuitHook: ({ args }) => {
-      if (args.type !== "procedure-proposal") {
+      if (args.proposal.type !== "procedure-proposal") {
         return errorResult();
       }
 
-      if (args.state !== "announced") {
+      if (args.proposal.state !== "announced") {
         return errorResult();
       }
 
       return false;
     },
-    postActionHook: ({ result }) => {
-      if (!result.error) {
-        PostStore.update((state) => {
-          state.items[result.payload.id].state = "rejected";
+  },
+);
+
+/**
+ * Reject procedure proposal.
+ */
+export const rejectProposalByChairman = createAsyncAction(
+  /**
+   * @param {CF2021.ProposalPost} proposal
+   */
+  ({ proposal, archive }) => {
+    return updateProposalState(proposal, "rejected-by-chairman", {
+      is_archived: archive,
     });
-      }
   },
+  {
+    shortCircuitHook: ({ args }) => {
+      if (args.proposal.type !== "procedure-proposal") {
+        return errorResult();
       }
+
+      if (!["pending", "announced"].includes(args.proposal.state)) {
+        return errorResult();
+      }
+
+      return false;
+    },
+  },
 );
+
+const { markSeen: storeSeen } = createSeenWriter(seenPostsLSKey);
+
+/**
+ * Mark down user saw this post already.
+ * @param {CF2021.Post} post
+ */
+export const markSeen = (post) => {
+  storeSeen(post.id);
+
+  PostStore.update((state) => {
+    state.items[post.id].seen = true;
+  });
+};

src/actions/program.js

+import { parse } from "date-fns";
+import keyBy from "lodash/keyBy";
 import pick from "lodash/pick";
+import property from "lodash/property";
 import { createAsyncAction, errorResult, successResult } from "pullstate";
 
-import { fetch } from "api";
+import { fetchApi } from "api";
+import { markdownConverter } from "markdown";
 import { ProgramStore } from "stores";
 
+import { loadPosts } from "./posts";
+
 export const loadProgram = createAsyncAction(
   async () => {
     try {
-      const resp = await fetch("/program");
+      const resp = await fetchApi("/program");
       const mappings = await resp.json();
       return successResult(mappings);
     } catch (err) {
@@ -32,85 +38,214 @@ export const loadProgram = createAsyncAction(
                   "title",
                   "description",
                   "proposer",
+                  "speakers",
                 ]),
-                expectedStartAt: new Date(entry.expected_start_at),
+                fullTitle:
+                  entry.number !== ""
+                    ? `${entry.number}. ${entry.title}`
+                    : entry.title,
+                htmlContent: markdownConverter.makeHtml(entry.description),
+                discussionOpened: entry.discussion_opened,
+                expectedStartAt: parse(
+                  entry.expected_start_at,
+                  "yyyy-MM-dd HH:mm:ss",
+                  new Date(),
+                ),
                 expectedFinishAt: entry.expected_finish_at
-                  ? new Date(entry.expected_finish_at)
+                  ? parse(
+                      entry.expected_finish_at,
+                      "yyyy-MM-dd HH:mm:ss",
+                      new Date(),
+                    )
                   : undefined,
               };
-            }
+            },
           )
           .sort((a, b) => a.expectedStartAt - b.expectedStartAt);
 
         const currentEntry = result.payload.find((entry) => entry.is_live);
 
         ProgramStore.update((state) => {
-          state.schedule = entries;
+          state.items = keyBy(entries, property("id"));
+          state.scheduleIds = entries.map((entry) => entry.id);
 
           if (currentEntry) {
-            state.current = state.schedule.find(
-              (scheduleEntry) => scheduleEntry.id === currentEntry.id
-            );
-          } else {
-            // TODO: for testing only
-            state.current = state.schedule[1];
+            state.currentId = currentEntry.id;
           }
         });
       }
     },
+  },
+);
+
+/**
+ * Rename program point.
+ */
+export const renameProgramPoint = createAsyncAction(
+  async ({ programEntry, newTitle }) => {
+    try {
+      const body = JSON.stringify({
+        title: newTitle,
+      });
+      await fetchApi(`/program/${programEntry.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult({ programEntry, newTitle });
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+  {
+    postActionHook: ({ result }) => {
+      if (!result.error) {
+        ProgramStore.update((state) => {
+          if (state.items[result.payload.programEntry.id]) {
+            state.items[result.payload.programEntry.id].title =
+              result.payload.newTitle;
           }
+        });
+      }
+    },
+  },
 );
 
 /**
- * Open discussion.
+ * End program point.
  */
 export const endProgramPoint = createAsyncAction(
-  async () => {
-    return successResult();
+  /**
+   *
+   * @param {CF2021.ProgramScheduleEntry} programEntry
+   */
+  async (programEntry) => {
+    try {
+      const body = JSON.stringify({
+        is_live: false,
+      });
+      await fetchApi(`/program/${programEntry.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult(programEntry);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
   },
   {
     postActionHook: ({ result }) => {
       if (!result.error) {
         ProgramStore.update((state) => {
-          state.current = null;
+          state.currentId = null;
         });
       }
     },
+  },
+);
+
+/**
+ * Activate program point.
+ */
+export const activateProgramPoint = createAsyncAction(
+  /**
+   *
+   * @param {CF2021.ProgramScheduleEntry} programEntry
+   */
+  async (programEntry) => {
+    try {
+      const body = JSON.stringify({
+        is_live: true,
+      });
+      await fetchApi(`/program/${programEntry.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult(programEntry);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+  {
+    postActionHook: async ({ result }) => {
+      if (!result.error) {
+        ProgramStore.update((state) => {
+          state.currentId = result.payload.id;
+        });
+
+        // Re-load posts - these are bound directly to the program schedule entry.
+        loadPosts.run({}, { respectCache: false });
       }
+    },
+  },
 );
 
 /**
  * Open discussion.
  */
 export const openDiscussion = createAsyncAction(
-  async () => {
-    return successResult();
+  /**
+   *
+   * @param {CF2021.ProgramScheduleEntry} programEntry
+   */
+  async (programEntry) => {
+    try {
+      const body = JSON.stringify({
+        discussion_opened: true,
+      });
+      await fetchApi(`/program/${programEntry.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult(programEntry);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
   },
   {
     postActionHook: ({ result }) => {
       if (!result.error) {
         ProgramStore.update((state) => {
-          state.current.discussionOpened = true;
+          if (state.items[result.payload.id]) {
+            state.items[result.payload.id].discussionOpened = true;
+          }
         });
       }
     },
-  }
+  },
 );
 
 /**
  * Close discussion.
  */
 export const closeDiscussion = createAsyncAction(
-  async () => {
-    return successResult();
+  async (programEntry) => {
+    try {
+      const body = JSON.stringify({
+        discussion_opened: false,
+      });
+      await fetchApi(`/program/${programEntry.id}`, {
+        method: "PUT",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult(programEntry);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
   },
   {
     postActionHook: ({ result }) => {
       if (!result.error) {
         ProgramStore.update((state) => {
-          state.current.discussionOpened = false;
+          if (state.items[result.payload.id]) {
+            state.items[result.payload.id].discussionOpened = false;
+          }
         });
       }
     },
-  }
+  },
 );

src/actions/users.js

-import { createAsyncAction, successResult } from "pullstate";
+import * as Sentry from "@sentry/react";
+import { createAsyncAction, errorResult, successResult } from "pullstate";
+
+import { fetchApi } from "api";
+import keycloak from "keycloak";
+import { AuthStore, PostStore } from "stores";
+import { updateWindowPosts } from "utils";
+
+export const loadMe = createAsyncAction(
+  /**
+   * @param {number} userId
+   */
+  async () => {
+    try {
+      const response = await fetchApi(`/users/me`, {
+        method: "GET",
+        expectedStatus: 200,
+      });
+      const data = await response.json();
+      return successResult(data);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+  {
+    postActionHook: ({ result }) => {
+      if (!result.error) {
+        AuthStore.update((state) => {
+          if (state.user) {
+            state.user.id = result.payload.id;
+            state.user.group = result.payload.group;
+            state.user.isBanned = result.payload.is_banned;
+            state.user.secret = result.payload.secret || "";
+          }
+        });
+      }
+    },
+  },
+);
 
 export const ban = createAsyncAction(
   /**
    * @param {number} userId
    */
-  async (userId) => {
-    return successResult(userId);
+  async (user) => {
+    try {
+      await fetchApi(`/users/${user.id}/ban`, {
+        method: "PATCH",
+        expectedStatus: 204,
+      });
+      return successResult(user);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+);
+
+export const unban = createAsyncAction(
+  /**
+   * @param {number} userId
+   */
+  async (user) => {
+    try {
+      await fetchApi(`/users/${user.id}/unban`, {
+        method: "PATCH",
+        expectedStatus: 204,
+      });
+      return successResult(user);
+    } catch (err) {
+      return errorResult([], err.toString());
     }
+  },
 );
+
+export const inviteToJitsi = createAsyncAction(
+  /**
+   * @param {number} userId
+   */
+  async (user) => {
+    try {
+      const body = JSON.stringify({
+        allowed: true,
+      });
+      await fetchApi(`/users/${user.id}/jitsi`, {
+        method: "PATCH",
+        body,
+        expectedStatus: 204,
+      });
+      return successResult(user);
+    } catch (err) {
+      return errorResult([], err.toString());
+    }
+  },
+);
+
+export const refreshAccessToken = async () => {
+  const { isAuthenticated } = AuthStore.getRawState();
+
+  if (!isAuthenticated) {
+    return;
+  }
+
+  try {
+    await keycloak.updateToken(60);
+    console.info("[auth] access token refreshed");
+  } catch (exc) {
+    console.warn(
+      "[auth] could not refresh the access token, refresh token possibly expired, logging out",
+    );
+
+    Sentry.setUser(null);
+
+    AuthStore.update((state) => {
+      state.isAuthenticated = false;
+      state.user = null;
+      state.showJitsiInvitePopup = false;
+      state.jitsiPopupDimissed = false;
+    });
+
+    PostStore.update((state) => {
+      state.filters.showPendingProposals = false;
+      updateWindowPosts(state);
+    });
+  }
+};

src/actions/ws.js

+import { createAsyncAction, errorResult, successResult } from "pullstate";
+
+import { GlobalInfoStore } from "stores";
+import { connect } from "ws/connection";
+
+import { loadAnnouncements } from "./announcements";
+import { loadPosts } from "./posts";
+import { loadProgram } from "./program";
+
+export const initializeWSChannel = createAsyncAction(async () => {
+  const { websocketUrl } = GlobalInfoStore.getRawState();
+
+  try {
+    const wsChannel = await connect({
+      url: websocketUrl,
+      onConnect: async ({ worker }) => {
+        // Re-load initial data once connected, this will ensure we won't lose
+        // any intermediate state.
+        await Promise.all([
+          loadProgram.run({}, { respectCache: false }),
+          loadAnnouncements.run({}, { respectCache: false }),
+          loadPosts.run({}, { respectCache: false }),
+        ]);
+
+        // Once loaded, start processing the messages.
+        worker.start();
+
+        return true;
+      },
+    });
+
+    return successResult(wsChannel);
+  } catch (err) {
+    return errorResult([], err.toString());
+  }
+});

src/api.js

-import baseFetch from "unfetch";
-
 import { AuthStore } from "./stores";
 
-export const fetch = (url, opts) => {
+export const fetchApi = async (
+  url,
+  { headers = {}, expectedStatus = 200, method = "GET", body = null } = {},
+) => {
   const { isAuthenticated, user } = AuthStore.getRawState();
 
-  opts = opts || {};
-  opts.headers = opts.headers || {};
-
   if (isAuthenticated) {
-    opts.headers.Authorization = "Bearer " + user.accessToken;
+    headers.Authorization = "Bearer " + user.accessToken;
+  }
+
+  if (!headers["Content-Type"]) {
+    headers["Content-Type"] = "application/json";
+  }
+
+  const response = await fetch(process.env.REACT_APP_API_BASE_URL + url, {
+    body,
+    method,
+    headers,
+    redirect: "follow",
+  });
+
+  if (!!expectedStatus && response.status !== expectedStatus) {
+    throw new Error(`Unexpected status code ${response.status}`);
   }
 
-  return baseFetch(process.env.REACT_APP_API_BASE_URL + url, opts);
+  return response;
 };

src/components/Button.jsx

@@ -4,14 +4,15 @@ import classNames from "classnames";
 
 const Button = ({
   className,
-  iconWrapperClassName,
+  bodyClassName,
   icon,
   color = "black",
-  iconChildren = null,
   hoverActive = true,
   fullwidth = false,
+  loading = false,
   children,
   routerTo,
+  bodyProps = {},
   ...props
 }) => {
   const btnClass = classNames(
@@ -21,19 +22,21 @@ const Button = ({
       "btn--icon": !!icon,
       "btn--hoveractive": hoverActive,
       "btn--fullwidth md:btn--autowidth": fullwidth,
+      "btn--loading": loading,
     },
     className
   );
 
-  const iconWrapperClass = classNames("btn__icon", iconWrapperClassName);
+  const bodyClass = classNames("btn__body", bodyClassName);
 
   const inner = (
     <div className="btn__body-wrap">
-      <div className="btn__body">{children}</div>
+      <div className={bodyClass} {...bodyProps}>
+        {children}
+      </div>
       {!!icon && (
-        <div className={iconWrapperClass}>
+        <div className="btn__icon">
           <i className={icon}></i>
-          {iconChildren}
         </div>
       )}
     </div>
@@ -54,4 +57,4 @@ const Button = ({
   );
 };
 
-export default Button;
+export default React.memo(Button);

src/components/Chip.jsx

@@ -26,4 +26,4 @@ const Chip = ({
   );
 };
 
-export default Chip;
+export default React.memo(Chip);

src/components/Dropdown.jsx

@@ -25,4 +25,4 @@ const Dropdown = ({ value, options, onChange, className }) => {
   );
 };
 
-export default Dropdown;
+export default React.memo(Dropdown);

src/components/ErrorMessage.jsx

+import React from "react";
+import classNames from "classnames";
+
+const ErrorMessage = ({ className, children }) => {
+  return (
+    <div className={classNames("text-red-600 font-bold", className)}>
+      {children}
+    </div>
+  );
+};
+
+export default React.memo(ErrorMessage);

src/components/Footer.jsx

-import React from "react";
+import React, { useState } from "react";
+import { NavLink } from "react-router-dom";
+import useWindowSize from "@rooks/use-window-size";
+import classNames from "classnames";
 
 const Footer = () => {
+  const { innerWidth } = useWindowSize();
+  const [showCfMenu, setShowCfMenu] = useState(false);
+  const [showOtherMenu, setShowOtherMenu] = useState(false);
+  const isLg = innerWidth >= 1024;
+
   return (
     <footer className="footer bg-grey-700 text-white">
       <div className="footer__main py-4 lg:py-16 container container--default">
@@ -11,80 +19,104 @@ const Footer = () => {
             className="w-32 md:w-40 pb-6"
           />
           <p className="para hidden md:block md:mb-4 lg:mb-0 text-grey-200">
-            Piráti, 2021. Všechna práva vyhlazena. Sdílejte a nechte ostatní
+            Piráti, 2024. Všechna práva vyhlazena. Sdílejte a nechte ostatní
             sdílet za stejných podmínek.
           </p>
         </section>
-        <section className="footer__main-links bg-grey-700 text-white lg:grid grid-cols-3 gap-4"></section>
-        <section className="footer__social lg:text-right">
-          <div className="flex flex-col md:flex-row lg:flex-col lg:items-end space-y-2 md:space-y-0 md:space-x-2 lg:space-x-0 lg:space-y-2">
-            <button className="btn btn--icon btn--blue-300 btn--hoveractive text-lg btn--fullwidth sm:btn--autowidth">
-              <div className="btn__body-wrap">
-                <div className="btn__body ">Pomoz nám</div>{" "}
-                <div className="btn__icon ">
-                  <i className="ico--anchor"></i>
-                </div>
-              </div>
-            </button>
+        <section className="footer__main-links bg-grey-700 text-white lg:grid grid-cols-2 gap-4">
+          <div className="pt-8 pb-4 lg:py-0">
+            <div className="footer-collapsible">
+              <span
+                className={classNames(
+                  "text-xl uppercase text-white footer-collapsible__toggle",
+                  {
+                    "footer-collapsible__toggle--open": showCfMenu,
+                  }
+                )}
+                onClick={() => setShowCfMenu(!showCfMenu)}
+              >
+                CF 2024
+              </span>{" "}
+              <div className={showCfMenu || isLg ? "" : "hidden"}>
+                <ul className="mt-6 space-y-2 text-grey-200">
+                  <li>
+                    <NavLink to="/">Přímý přenos</NavLink>
+                  </li>
+                  <li>
+                    <NavLink to="/program">Program</NavLink>
+                  </li>
+                  <li>
+                    <NavLink to="/protocol">Zápis</NavLink>
+                  </li>
+                  <li>
+                    <NavLink to="/about">Co je to celostátní fórum?</NavLink>
+                  </li>
+                </ul>
               </div>
-        </section>
             </div>
-      <section className="bg-black py-4 lg:py-12">
-        <div className="container container--default">
-          <div className="grid gap-4 grid-cols-1 md:grid-cols-2">
-            <div className="badge w-full">
-              <div className="avatar avatar--sm badge__avatar">
-                <img src="http://placeimg.com/100/100/people" alt="Avatar" />
           </div>
-              <div className="badge__body">
-                <span className="head-heavy-2xs badge__title">
-                  Andrej Ramašeuski
-                </span>
-                <p className="badge__occupation">Kontakt pro dobrovolníky</p>
-                <a
-                  href="mailto:example@example.com"
-                  className="contact-line contact-line--responsive icon-link badge__link"
+          <div className="py-4 lg:py-0 border-t border-grey-400 lg:border-t-0">
+            <div className="footer-collapsible">
+              <span
+                className={classNames(
+                  "text-xl uppercase text-white footer-collapsible__toggle",
+                  {
+                    "footer-collapsible__toggle--open": showOtherMenu,
+                  }
+                )}
+                onClick={() => setShowOtherMenu(!showOtherMenu)}
               >
-                  <i className="ico--phone"></i>
-                  <span>+420 777 123 123</span>
-                </a>
-                <a
-                  href="mailto:example@example.com"
-                  className="contact-line contact-line--responsive icon-link badge__link"
-                >
-                  <i className="ico--envelope"></i>
-                  <span>example@example.com</span>
+                Otevřenost
+              </span>{" "}
+              <div className={showOtherMenu || isLg ? "" : "hidden"}>
+                <ul className="mt-6 space-y-2 text-grey-200">
+                  <li>
+                    <a href="https://ucet.pirati.cz">Transparentní účet</a>
+                  </li>{" "}
+                  <li>
+                    <a href="https://smlouvy.pirati.cz">Registr smluv</a>
+                  </li>{" "}
+                  <li>
+                    <a href="https://wiki.pirati.cz/fo/otevrene_ucetnictvi">
+                      Otevřené účetnictví
                     </a>
+                  </li>
+                </ul>
               </div>
             </div>
-            <div className="badge w-full">
-              <div className="avatar avatar--sm badge__avatar">
-                <img src="http://placeimg.com/100/100/people" alt="Avatar" />
           </div>
-              <div className="badge__body">
-                <span className="head-heavy-2xs badge__title">
-                  Andrea Linhartová
-                </span>
-                <p className="badge__occupation">Kontakt pro média</p>
+        </section>
+        <section className="footer__social lg:text-right">
+          <div className="flex flex-col md:flex-row lg:flex-col lg:items-end space-y-2 md:space-y-0 md:space-x-2 lg:space-x-0 lg:space-y-2">
             <a
-                  href="mailto:example@example.com"
-                  className="contact-line contact-line--responsive icon-link badge__link"
+              href="https://dary.pirati.cz"
+              rel="noopener noreferrer"
+              target="_blank"
+              className="btn btn--icon btn--cyan-200 btn--hoveractive text-lg btn--fullwidth sm:btn--autowidth"
             >
-                  <i className="ico--phone"></i>
-                  <span>+420 777 123 123</span>
-                </a>
+              <div className="btn__body-wrap">
+                <div className="btn__body ">Přispěj</div>{" "}
+                <div className="btn__icon ">
+                  <i className="ico--pig"></i>
+                </div>
+              </div>
+            </a>{" "}
             <a
-                  href="mailto:example@example.com"
-                  className="contact-line contact-line--responsive icon-link badge__link"
+              href="https://nalodeni.pirati.cz"
+              rel="noopener noreferrer"
+              target="_blank"
+              className="btn btn--icon btn--blue-300 btn--hoveractive text-lg btn--fullwidth sm:btn--autowidth"
             >
-                  <i className="ico--envelope"></i>
-                  <span>example@example.com</span>
-                </a>
-              </div>
+              <div className="btn__body-wrap">
+                <div className="btn__body ">Naloď se</div>{" "}
+                <div className="btn__icon ">
+                  <i className="ico--anchor"></i>
                 </div>
               </div>
+            </a>
           </div>
         </section>
+      </div>
     </footer>
   );
 };

src/components/Navbar.jsx

 import React, { useCallback, useState } from "react";
-import { isBrowser } from "react-device-detect";
 import { NavLink } from "react-router-dom";
 import { useKeycloak } from "@react-keycloak/web";
+import useWindowSize from "@rooks/use-window-size";
+import classNames from "classnames";
 
 import Button from "components/Button";
-import { AuthStore } from "stores";
+import { AuthStore, GlobalInfoStore } from "stores";
 
-const Navbar = () => {
-  const [showMenu, setShowMenu] = useState(isBrowser);
+const Navbar = ({ onGetHelp }) => {
+  const { innerWidth } = useWindowSize();
+  const [showMenu, setShowMenu] = useState();
   const { keycloak } = useKeycloak();
   const { isAuthenticated, user } = AuthStore.useState();
+  const { connectionState } = GlobalInfoStore.useState();
 
   const login = useCallback(() => {
     keycloak.login();
@@ -18,6 +21,47 @@ const Navbar = () => {
     keycloak.logout();
   }, [keycloak]);
 
+  const connectionStateCaption = {
+    connected: "Jsi online",
+    offline: "Jsi offline",
+    connecting: "Probíhá připojování",
+  }[connectionState];
+
+  const isLg = innerWidth >= 1024;
+
+  const indicatorClass = {
+    "bg-green-400": connectionState === "connected",
+    "bg-red-600": connectionState === "offline",
+    "bg-yellow-200": connectionState === "connecting",
+  };
+
+  const connectionIndicator = (
+    <div className="inline-flex items-center">
+      <span
+        className="relative inline-flex h-4 w-4 mr-4"
+        data-tip={connectionStateCaption}
+        data-tip-at="left"
+        aria-label={connectionStateCaption}
+      >
+        <span
+          className={classNames(
+            "animate-ping absolute inline-flex h-full w-full rounded-full opacity-75",
+            indicatorClass
+          )}
+        />
+        <span
+          className={classNames(
+            "inline-flex rounded-full w-4 h-4",
+            indicatorClass
+          )}
+        />
+      </span>
+      <span className="hidden md:block text-grey-200">
+        {connectionStateCaption}
+      </span>
+    </div>
+  );
+
   return (
     <nav className="navbar navbar--simple">
       <div className="container container--wide navbar__content navbar__content--initialized">
@@ -33,7 +77,7 @@ const Navbar = () => {
             to="/"
             className="pl-4 font-bold text-xl lg:border-r lg:border-grey-300 lg:pr-8 hover:no-underline"
           >
-            Celostátní fórum 2021
+            Celostátní fórum 2024
           </NavLink>
         </div>
         <div className="navbar__menutoggle my-4 flex justify-end lg:hidden">
@@ -44,33 +88,52 @@ const Navbar = () => {
             <i className="ico--menu text-3xl"></i>
           </button>
         </div>
-        {showMenu && (
+        {(showMenu || isLg) && (
           <>
             <div className="navbar__main navbar__section navbar__section--expandable container-padding--zero lg:container-padding--auto">
               <ul className="navbar-menu text-white">
+                <li className="navbar-menu__item">
+                  <NavLink className="navbar-menu__link" to="/">
+                    Přímý přenos
+                  </NavLink>
+                </li>
                 <li className="navbar-menu__item">
                   <NavLink className="navbar-menu__link" to="/program">
                     Program
                   </NavLink>
                 </li>
+                <li className="navbar-menu__item">
+                  <NavLink className="navbar-menu__link" to="/protocol">
+                    Zápis
+                  </NavLink>
+                </li>
               </ul>
             </div>
-            <div className="navbar__actions navbar__section navbar__section--expandable container-padding--zero lg:container-padding--auto self-start flex flex-col sm:flex-row lg:flex-col sm:space-x-4 space-y-2 sm:space-y-0 lg:space-y-2 xl:flex-row xl:space-x-2 xl:space-y-0">
+            <div className="navbar__actions navbar__section navbar__section--expandable container-padding--zero lg:container-padding--auto self-start flex flex-row items-center justify-between">
+              <div className="order-last lg:order-first lg:mr-8">
+                {connectionIndicator}
+              </div>
               {!isAuthenticated && (
-                <Button className="btn--white" onClick={login}>
+                <Button className="btn--white joyride-login" onClick={login}>
                   Přihlásit se
                 </Button>
               )}
               {isAuthenticated && (
-                <div className="flex items-center space-x-4">
+                <div className="flex items-center space-x-4 joyride-login">
                   <span className="head-heavy-2xs">{user.name}</span>
                   <div className="avatar avatar--2xs">
                     <img
-                      src={`https://a.pirati.cz/piratar/${user.username}.jpg`}
+                      src={`https://a.pirati.cz/piratar/200/${user.username}.jpg`}
                       alt="Avatar"
                     />
                   </div>
-                  <button onClick={logout}>
+                  <button
+                    onClick={logout}
+                    className="text-grey-200 hover:text-white"
+                    aria-label="Odhlásit se"
+                    data-tip="Odhlásit se"
+                    data-tip-at="bottom"
+                  >
                     <i className="ico--log-out"></i>
                   </button>
                 </div>

src/components/Thumbs.jsx

 import React from "react";
 import classNames from "classnames";
 
-const Thumbs = ({ likes, dislikes, onLike, onDislike, myVote }) => {
+const Thumbs = ({ likes, dislikes, myVote, onLike, onDislike, readOnly }) => {
   return (
     <div>
       <div className="space-x-2 text-sm flex items-center">
         <button
-          className={classNames("text-blue-300 flex items-center space-x-1", {
-            "cursor-pointer": myVote === "none" || myVote === "like",
-            "cursor-default": myVote === "dislike",
+          className={classNames("flex items-center space-x-1", {
+            "cursor-pointer": !readOnly,
+            "cursor-not-allowed": readOnly,
+            "text-blue-300": myVote === "like",
+            "text-grey-200 ": myVote !== "like",
+            "hover:text-blue-300": myVote !== "like" && !readOnly,
           })}
-          disabled={myVote === "dislike"}
+          disabled={readOnly}
           onClick={onLike}
         >
           <span className="font-bold">{likes}</span>
           <i className="ico--thumbs-up"></i>
         </button>
         <button
-          className={classNames("text-red-600 flex items-center space-x-1", {
-            "cursor-pointer": myVote === "none" || myVote === "dislike",
-            "cursor-default": myVote === "like",
+          className={classNames("flex items-center space-x-1", {
+            "cursor-pointer": !readOnly,
+            "cursor-not-allowed": readOnly,
+            "text-red-600": myVote === "dislike",
+            "text-grey-200": myVote !== "dislike",
+            "hover:text-red-600": myVote !== "dislike" && !readOnly,
           })}
-          disabled={myVote === "like"}
+          disabled={readOnly}
           onClick={onDislike}
         >
           <i className="ico--thumbs-down transform -scale-x-1"></i>

src/components/annoucements/Announcement.jsx

-import React from "react";
+import React, { useEffect } from "react";
+import { useInView } from "react-intersection-observer";
 import classNames from "classnames";
-import { format } from "date-fns";
+import { format, isToday } from "date-fns";
 
 import Chip from "components/Chip";
 import { DropdownMenu, DropdownMenuItem } from "components/dropdown-menu";
@@ -13,12 +14,27 @@ const Announcement = ({
   link,
   relatedPostId,
   seen,
-  displayActions = false,
+  canRunActions,
   onDelete,
   onEdit,
+  onSeen,
 }) => {
+  const { ref, inView } = useInView({
+    threshold: 0.8,
+    trackVisibility: true,
+    delay: 1500,
+    skip: seen,
+    triggerOnce: true,
+  });
+
+  useEffect(() => {
+    if (!seen && inView && onSeen) {
+      onSeen();
+    }
+  });
+
   const wrapperClassName = classNames(
-    "bg-opacity-50 border-l-2 px-4 py-2 lg:px-8 lg:py-3",
+    "bg-opacity-50 border-l-2 px-4 py-2 lg:px-8 lg:py-3 transition duration-500",
     {
       "bg-grey-50": !!seen,
       "bg-yellow-100": !seen,
@@ -43,7 +59,7 @@ const Announcement = ({
 
   const chipLabel = {
     "rejected-procedure-proposal": "Zamítnutý návrh postupu",
-    "suggested-procedure-proposal": "Přijatelný návrh postupu",
+    "suggested-procedure-proposal": "Návrh postupu k hlasování",
     "accepted-procedure-proposal": "Schválený návrh postupu",
     voting: "Rozhodující hlasování",
     announcement: "Oznámení předsedajícího",
@@ -51,7 +67,7 @@ const Announcement = ({
   }[type];
 
   const linkLabel =
-    type === "voting" ? "Hlasovat v heliosu" : "Zobrazit související příspěvek";
+    type === "voting" ? "Hlasovat" : "Zobrazit související příspěvek";
 
   const showEdit = [
     "suggested-procedure-proposal",
@@ -59,34 +75,56 @@ const Announcement = ({
     "announcement",
   ].includes(type);
 
+  const htmlContent = {
+    __html: content,
+  };
+
   return (
-    <div className={wrapperClassName}>
+    <div className={wrapperClassName} ref={ref}>
       <div className="flex items-center justify-between mb-2">
         <div className="space-x-2 flex items-center">
-          <div className="font-bold text-sm">{format(datetime, "H:mm")}</div>
+          <div className="font-bold text-sm">
+            {format(datetime, isToday(datetime) ? "H:mm" : "dd. MM. H:mm")}
+          </div>
           <Chip color={chipColor} condensed>
             {chipLabel}
           </Chip>
-          {link && <a href={link}>{linkLabel + "»"}</a>}
+          {link && (
+            <a
+              href={link}
+              className={classNames("text-xs font-bold text-" + chipColor)}
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              {linkLabel + " »"}
+            </a>
+          )}
         </div>
-        {displayActions && (
-          <DropdownMenu right triggerIconClass="ico--dots-three-horizontal">
+        {canRunActions && (
+          <DropdownMenu
+            right
+            className="pl-4"
+            triggerIconClass="ico--dots-three-horizontal"
+          >
             {showEdit && (
               <DropdownMenuItem
                 onClick={onEdit}
-                icon="ico--edit-pencil"
+                icon="ico--pencil"
                 title="Upravit"
               />
             )}
             <DropdownMenuItem
               onClick={onDelete}
-              icon="ico--trashcan"
+              icon="ico--bin"
               title="Smazat"
             />
           </DropdownMenu>
         )}
       </div>
-      <span className="leading-tight text-sm lg:text-base">{content}</span>
+      <div
+        className="leading-tight text-sm lg:text-base content-block"
+        dangerouslySetInnerHTML={htmlContent}
+      ></div>
     </div>
   );
 };

src/components/annoucements/AnnouncementEditModal.jsx

 import React, { useState } from "react";
+import classNames from "classnames";
 
 import Button from "components/Button";
 import { Card, CardActions, CardBody, CardHeadline } from "components/cards";
+import ErrorMessage from "components/ErrorMessage";
+import MarkdownEditor from "components/mde/MarkdownEditor";
 import Modal from "components/modals/Modal";
+import { urlRegex } from "utils";
 
 const AnnouncementEditModal = ({
   announcement,
   onCancel,
   onConfirm,
+  confirming,
+  error,
   ...props
 }) => {
   const [text, setText] = useState(announcement.content);
+  const [link, setLink] = useState(announcement.link);
+  const [textError, setTextError] = useState(null);
+  const [linkError, setLinkError] = useState(null);
 
-  const onTextInput = (evt) => {
-    setText(evt.target.value);
+  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 confirm = (evt) => {
-    if (!!text) {
-      onConfirm(text);
+    evt.preventDefault();
+
+    let preventAction = false;
+    const payload = {
+      content: text,
+    };
+
+    if (!text) {
+      setTextError("Před úpravou oznámení nezapomeňte vyplnit jeho obsah.");
+      preventAction = true;
+    } else if (!!text && text.length > 1024) {
+      setTextError("Maximální délka oznámení je 1024 znaků.");
+      preventAction = true;
     }
+
+    if (announcement.type === "voting" && !link) {
+      setLinkError("Zadejte platnou URL.");
+      preventAction = true;
+    } else {
+      payload.link = link;
+    }
+
+    if (preventAction) {
+      return;
+    }
+
+    onConfirm(payload);
   };
 
   return (
-    <Modal containerClassName="max-w-md" onRequestClose={onCancel} {...props}>
-      <Card>
+    <Modal containerClassName="max-w-lg" onRequestClose={onCancel} {...props}>
+      <form onSubmit={confirm}>
+        <Card className="elevation-21">
           <CardBody>
             <div className="flex items-center justify-between mb-4">
               <CardHeadline>Upravit oznámení</CardHeadline>
-            <button onClick={onCancel}>
-              <i className="ico--close"></i>
+              <button onClick={onCancel} type="button">
+                <i className="ico--cross"></i>
               </button>
             </div>
-          <div className="form-field">
-            <div className="form-field__wrapper form-field__wrapper--shadowed">
-              <textarea
-                className="text-input form-field__control text-base"
+            <MarkdownEditor
               value={text}
-                rows="8"
-                placeholder="Vyplňte text oznámení"
               onChange={onTextInput}
-              ></textarea>
+              error={textError}
+              placeholder="Vyplňte text oznámení"
+              toolbarCommands={[
+                ["bold", "italic", "strikethrough"],
+                ["link", "unordered-list", "ordered-list"],
+              ]}
+            />
+            <div
+              className={classNames("form-field mt-4", {
+                hidden: announcement.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>
+            {error && (
+              <ErrorMessage className="mt-2">
+                Při editaci došlo k problému: {error}
+              </ErrorMessage>
+            )}
           </CardBody>
           <CardActions right className="space-x-1">
             <Button
               hoverActive
               color="blue-300"
               className="text-sm"
-            onClick={confirm}
+              loading={confirming}
+              disabled={textError || linkError || confirming}
+              type="submit"
             >
               Uložit
             </Button>
@@ -58,11 +140,13 @@ const AnnouncementEditModal = ({
               color="red-600"
               className="text-sm"
               onClick={onCancel}
+              type="button"
             >
               Zrušit
             </Button>
           </CardActions>
         </Card>
+      </form>
     </Modal>
   );
 };

src/components/annoucements/AnnouncementList.jsx

@@ -6,33 +6,57 @@ import Announcement from "./Announcement";
 const AnnouncementList = ({
   items,
   className,
-  displayActions,
+  canRunActions,
   onDelete,
   onEdit,
+  onSeen,
 }) => {
-  const buildHandler = (responderFn) => (post) => (evt) => {
+  const buildHandler = (responderFn) => (announcement) => (evt) => {
     evt.preventDefault();
-    responderFn(post);
+    responderFn(announcement);
   };
 
   const onAnnouncementEdit = buildHandler(onEdit);
   const onAnnouncementDelete = buildHandler(onDelete);
 
+  const onAnnouncementSeen = (announcement) => () => {
+    onSeen(announcement);
+  };
+
+  const getClassName = (idx) => {
+    if (idx === 0) {
+      return "pt-4 lg:pt-8";
+    }
+
+    if (idx === items.length - 1) {
+      return "pb-4 lg:pb-8";
+    }
+
+    return "";
+  };
+
   return (
     <div className={classNames("space-y-px", className)}>
-      {items.map((item) => (
+      {items.map((item, idx) => (
         <Announcement
+          className={getClassName(idx)}
           key={item.id}
           datetime={item.datetime}
           type={item.type}
-          content={item.content}
+          content={item.contentHtml}
           link={item.link}
           seen={item.seen}
-          displayActions={displayActions}
+          canRunActions={canRunActions}
           onEdit={onAnnouncementEdit(item)}
           onDelete={onAnnouncementDelete(item)}
+          onSeen={onAnnouncementSeen(item)}
         />
       ))}
+      {!items.length && (
+        <p className="px-8 py-4 leading-snug text-sm md:text-base">
+          Zatím žádná oznámení.
+        </p>
+      )}
     </div>
   );
 };

src/components/cards/Card.jsx

 import React from "react";
 import classNames from "classnames";
 
-const Card = ({ children, elevation = 21, className }) => {
-  const cls = classNames("card", `elevation-${elevation}`, className);
-  return <div className={cls}>{children}</div>;
+const Card = ({ children, className }, ref) => {
+  const cls = classNames("card", className);
+  return (
+    <div className={cls} ref={ref}>
+      {children}
+    </div>
+  );
 };
 
-export default Card;
+export default React.forwardRef(Card);

src/components/cards/CardBody.jsx

 import React from "react";
 import classNames from "classnames";
 
-const CardBody = ({ children, className }) => {
+const CardBody = ({ children, className, ...props }) => {
   const cls = classNames("card__body", className);
-  return <div className={cls}>{children}</div>;
+  return (
+    <div className={cls} {...props}>
+      {children}
+    </div>
+  );
 };
 
 export default CardBody;