masto-fe-archos/app/javascript/flavours/glitch/actions/compose.js

import { defineMessages } from "react-intl";

import axios from "axios";
import { throttle } from "lodash";

import api from "flavours/glitch/api";
import { search as emojiSearch } from "flavours/glitch/features/emoji/emoji_mart_search_light";
import { maxMediaAttachments } from "flavours/glitch/initial_state";
import { tagHistory } from "flavours/glitch/settings";
import { recoverHashtags } from "flavours/glitch/utils/hashtag";
import resizeImage from "flavours/glitch/utils/resize_image";

import { showAlert, showAlertForError } from "./alerts";
import { useEmoji } from "./emojis";
import { importFetchedAccounts, importFetchedStatus } from "./importer";
import { openModal } from "./modal";
import { updateTimeline } from "./timelines";

/** @type {AbortController | undefined} */
let fetchComposeSuggestionsAccountsController;
/** @type {AbortController | undefined} */
let fetchComposeSuggestionsTagsController;

export const COMPOSE_CHANGE          = "COMPOSE_CHANGE";
export const COMPOSE_CYCLE_ELEFRIEND = "COMPOSE_CYCLE_ELEFRIEND";
export const COMPOSE_SUBMIT_REQUEST  = "COMPOSE_SUBMIT_REQUEST";
export const COMPOSE_SUBMIT_SUCCESS  = "COMPOSE_SUBMIT_SUCCESS";
export const COMPOSE_SUBMIT_FAIL     = "COMPOSE_SUBMIT_FAIL";
export const COMPOSE_REPLY           = "COMPOSE_REPLY";
export const COMPOSE_REPLY_CANCEL    = "COMPOSE_REPLY_CANCEL";
export const COMPOSE_DIRECT          = "COMPOSE_DIRECT";
export const COMPOSE_MENTION         = "COMPOSE_MENTION";
export const COMPOSE_RESET           = "COMPOSE_RESET";

export const COMPOSE_UPLOAD_REQUEST    = "COMPOSE_UPLOAD_REQUEST";
export const COMPOSE_UPLOAD_SUCCESS    = "COMPOSE_UPLOAD_SUCCESS";
export const COMPOSE_UPLOAD_FAIL       = "COMPOSE_UPLOAD_FAIL";
export const COMPOSE_UPLOAD_PROGRESS   = "COMPOSE_UPLOAD_PROGRESS";
export const COMPOSE_UPLOAD_PROCESSING = "COMPOSE_UPLOAD_PROCESSING";
export const COMPOSE_UPLOAD_UNDO       = "COMPOSE_UPLOAD_UNDO";

export const THUMBNAIL_UPLOAD_REQUEST  = "THUMBNAIL_UPLOAD_REQUEST";
export const THUMBNAIL_UPLOAD_SUCCESS  = "THUMBNAIL_UPLOAD_SUCCESS";
export const THUMBNAIL_UPLOAD_FAIL     = "THUMBNAIL_UPLOAD_FAIL";
export const THUMBNAIL_UPLOAD_PROGRESS = "THUMBNAIL_UPLOAD_PROGRESS";

export const COMPOSE_SUGGESTIONS_CLEAR = "COMPOSE_SUGGESTIONS_CLEAR";
export const COMPOSE_SUGGESTIONS_READY = "COMPOSE_SUGGESTIONS_READY";
export const COMPOSE_SUGGESTION_SELECT = "COMPOSE_SUGGESTION_SELECT";
export const COMPOSE_SUGGESTION_IGNORE = "COMPOSE_SUGGESTION_IGNORE";
export const COMPOSE_SUGGESTION_TAGS_UPDATE = "COMPOSE_SUGGESTION_TAGS_UPDATE";

export const COMPOSE_TAG_HISTORY_UPDATE = "COMPOSE_TAG_HISTORY_UPDATE";

export const COMPOSE_MOUNT   = "COMPOSE_MOUNT";
export const COMPOSE_UNMOUNT = "COMPOSE_UNMOUNT";

export const COMPOSE_ADVANCED_OPTIONS_CHANGE = "COMPOSE_ADVANCED_OPTIONS_CHANGE";
export const COMPOSE_SENSITIVITY_CHANGE  = "COMPOSE_SENSITIVITY_CHANGE";
export const COMPOSE_SPOILERNESS_CHANGE  = "COMPOSE_SPOILERNESS_CHANGE";
export const COMPOSE_SPOILER_TEXT_CHANGE = "COMPOSE_SPOILER_TEXT_CHANGE";
export const COMPOSE_VISIBILITY_CHANGE   = "COMPOSE_VISIBILITY_CHANGE";
export const COMPOSE_LISTABILITY_CHANGE  = "COMPOSE_LISTABILITY_CHANGE";
export const COMPOSE_CONTENT_TYPE_CHANGE = "COMPOSE_CONTENT_TYPE_CHANGE";
export const COMPOSE_LANGUAGE_CHANGE     = "COMPOSE_LANGUAGE_CHANGE";

export const COMPOSE_EMOJI_INSERT = "COMPOSE_EMOJI_INSERT";

export const COMPOSE_UPLOAD_CHANGE_REQUEST     = "COMPOSE_UPLOAD_UPDATE_REQUEST";
export const COMPOSE_UPLOAD_CHANGE_SUCCESS     = "COMPOSE_UPLOAD_UPDATE_SUCCESS";
export const COMPOSE_UPLOAD_CHANGE_FAIL        = "COMPOSE_UPLOAD_UPDATE_FAIL";

export const COMPOSE_DOODLE_SET        = "COMPOSE_DOODLE_SET";

export const COMPOSE_POLL_ADD             = "COMPOSE_POLL_ADD";
export const COMPOSE_POLL_REMOVE          = "COMPOSE_POLL_REMOVE";
export const COMPOSE_POLL_OPTION_ADD      = "COMPOSE_POLL_OPTION_ADD";
export const COMPOSE_POLL_OPTION_CHANGE   = "COMPOSE_POLL_OPTION_CHANGE";
export const COMPOSE_POLL_OPTION_REMOVE   = "COMPOSE_POLL_OPTION_REMOVE";
export const COMPOSE_POLL_SETTINGS_CHANGE = "COMPOSE_POLL_SETTINGS_CHANGE";

export const INIT_MEDIA_EDIT_MODAL = "INIT_MEDIA_EDIT_MODAL";

export const COMPOSE_CHANGE_MEDIA_DESCRIPTION = "COMPOSE_CHANGE_MEDIA_DESCRIPTION";
export const COMPOSE_CHANGE_MEDIA_FOCUS       = "COMPOSE_CHANGE_MEDIA_FOCUS";

export const COMPOSE_SET_STATUS = "COMPOSE_SET_STATUS";

const messages = defineMessages({
  uploadErrorLimit: { id: "upload_error.limit", defaultMessage: "File upload limit exceeded." },
  uploadErrorPoll:  { id: "upload_error.poll", defaultMessage: "File upload not allowed with polls." },
});

export const ensureComposeIsVisible = (getState, routerHistory) => {
  if (!getState().getIn(["compose", "mounted"])) {
    routerHistory.push("/publish");
  }
};

export function setComposeToStatus(status, text, spoiler_text, content_type) {
  return{
    type: COMPOSE_SET_STATUS,
    status,
    text,
    spoiler_text,
    content_type,
  };
}

export function changeCompose(text) {
  return {
    type: COMPOSE_CHANGE,
    text: text,
  };
}

export function cycleElefriendCompose() {
  return {
    type: COMPOSE_CYCLE_ELEFRIEND,
  };
}

export function replyCompose(status, routerHistory) {
  return (dispatch, getState) => {
    const prependCWRe = getState().getIn(["local_settings", "prepend_cw_re"]);
    dispatch({
      type: COMPOSE_REPLY,
      status: status,
      prependCWRe: prependCWRe,
    });

    ensureComposeIsVisible(getState, routerHistory);
  };
}

export function cancelReplyCompose() {
  return {
    type: COMPOSE_REPLY_CANCEL,
  };
}

export function resetCompose() {
  return {
    type: COMPOSE_RESET,
  };
}

export function mentionCompose(account, routerHistory) {
  return (dispatch, getState) => {
    dispatch({
      type: COMPOSE_MENTION,
      account: account,
    });

    ensureComposeIsVisible(getState, routerHistory);
  };
}

export function directCompose(account, routerHistory) {
  return (dispatch, getState) => {
    dispatch({
      type: COMPOSE_DIRECT,
      account: account,
    });

    ensureComposeIsVisible(getState, routerHistory);
  };
}

export function submitCompose(routerHistory) {
  return function (dispatch, getState) {
    let status     = getState().getIn(["compose", "text"], "");
    const media    = getState().getIn(["compose", "media_attachments"]);
    const statusId = getState().getIn(["compose", "id"], null);
    const spoilers = getState().getIn(["compose", "spoiler"]) || getState().getIn(["local_settings", "always_show_spoilers_field"]);
    let spoilerText = spoilers ? getState().getIn(["compose", "spoiler_text"], "") : "";

    if ((!status || !status.length) && media.size === 0) {
      return;
    }

    dispatch(submitComposeRequest());

    // If we're editing a post with media attachments, those have not
    // necessarily been changed on the server. Do it now in the same
    // API call.
    let media_attributes;
    if (statusId !== null) {
      media_attributes = media.map(item => {
        let focus;

        if (item.getIn(["meta", "focus"])) {
          focus = `${item.getIn(["meta", "focus", "x"]).toFixed(2)},${item.getIn(["meta", "focus", "y"]).toFixed(2)}`;
        }

        return {
          id: item.get("id"),
          description: item.get("description"),
          focus,
        };
      });
    }

    api(getState).request({
      url: statusId === null ? "/api/v1/statuses" : `/api/v1/statuses/${statusId}`,
      method: statusId === null ? "post" : "put",
      data: {
        status,
        content_type: getState().getIn(["compose", "content_type"]),
        in_reply_to_id: getState().getIn(["compose", "in_reply_to"], null),
        media_ids: media.map(item => item.get("id")),
        media_attributes,
        sensitive: getState().getIn(["compose", "sensitive"]) || (spoilerText.length > 0 && media.size !== 0),
        spoiler_text: spoilerText,
        visibility: getState().getIn(["compose", "privacy"]),
        poll: getState().getIn(["compose", "poll"], null),
        language: getState().getIn(["compose", "language"]),
        local_only: getState().getIn(["compose", "advanced_options", "do_not_federate"]),
      },
      headers: {
        "Idempotency-Key": getState().getIn(["compose", "idempotencyKey"]),
      },
    }).then(function (response) {
      if (routerHistory
          && (routerHistory.location.pathname === "/publish" || routerHistory.location.pathname === "/statuses/new")
          && window.history.state
          && !getState().getIn(["compose", "advanced_options", "threaded_mode"])) {
        routerHistory.goBack();
      }

      dispatch(insertIntoTagHistory(response.data.tags, status));
      dispatch(submitComposeSuccess({ ...response.data }));

      //  If the response has no data then we can't do anything else.
      if (!response.data) {
        return;
      }

      // To make the app more responsive, immediately get the status into the columns

      const insertIfOnline = (timelineId) => {
        const timeline = getState().getIn(["timelines", timelineId]);

        if (timeline && timeline.get("items").size > 0 && timeline.getIn(["items", 0]) !== null && timeline.get("online")) {
          dispatch(updateTimeline(timelineId, { ...response.data }));
        }
      };

      if (statusId) {
        dispatch(importFetchedStatus({ ...response.data }));
      }

      if (statusId === null) {
        insertIfOnline("home");
      }

      if (statusId === null && response.data.in_reply_to_id === null && response.data.visibility === "public") {
        insertIfOnline("community");
        if (!response.data.local_only) {
          insertIfOnline("public");
        }
      } else if (statusId === null && response.data.visibility === "direct") {
        insertIfOnline("direct");
      }
    }).catch(function (error) {
      dispatch(submitComposeFail(error));
    });
  };
}

export function submitComposeRequest() {
  return {
    type: COMPOSE_SUBMIT_REQUEST,
  };
}

export function submitComposeSuccess(status) {
  return {
    type: COMPOSE_SUBMIT_SUCCESS,
    status: status,
  };
}

export function submitComposeFail(error) {
  return {
    type: COMPOSE_SUBMIT_FAIL,
    error: error,
  };
}

export function doodleSet(options) {
  return {
    type: COMPOSE_DOODLE_SET,
    options: options,
  };
}

export function uploadCompose(files) {
  return function (dispatch, getState) {
    const uploadLimit = maxMediaAttachments;
    const media  = getState().getIn(["compose", "media_attachments"]);
    const pending  = getState().getIn(["compose", "pending_media_attachments"]);
    const progress = new Array(files.length).fill(0);
    let total = Array.from(files).reduce((a, v) => a + v.size, 0);

    if (files.length + media.size + pending > uploadLimit) {
      dispatch(showAlert(undefined, messages.uploadErrorLimit));
      return;
    }

    if (getState().getIn(["compose", "poll"])) {
      dispatch(showAlert(undefined, messages.uploadErrorPoll));
      return;
    }

    dispatch(uploadComposeRequest());

    for (const [i, f] of Array.from(files).entries()) {
      if (media.size + i >= uploadLimit) {
        break;
      }

      resizeImage(f).then(file => {
        const data = new FormData();
        data.append("file", file);
        // Account for disparity in size of original image and resized data
        total += file.size - f.size;

        return api(getState).post("/api/v2/media", data, {
          onUploadProgress: function({ loaded }){
            progress[i] = loaded;
            dispatch(uploadComposeProgress(progress.reduce((a, v) => a + v, 0), total));
          },
        }).then(({ status, data }) => {
          // If server-side processing of the media attachment has not completed yet,
          // poll the server until it is, before showing the media attachment as uploaded

          if (status === 200) {
            dispatch(uploadComposeSuccess(data, f));
          } else if (status === 202) {
            dispatch(uploadComposeProcessing());

            let tryCount = 1;

            const poll = () => {
              api(getState).get(`/api/v1/media/${data.id}`).then(response => {
                if (response.status === 200) {
                  dispatch(uploadComposeSuccess(response.data, f));
                } else if (response.status === 206) {
                  const retryAfter = (Math.log2(tryCount) || 1) * 1000;
                  tryCount += 1;
                  setTimeout(() => poll(), retryAfter);
                }
              }).catch(error => dispatch(uploadComposeFail(error)));
            };

            poll();
          }
        });
      }).catch(error => dispatch(uploadComposeFail(error)));
    }
  };
}

export const uploadComposeProcessing = () => ({
  type: COMPOSE_UPLOAD_PROCESSING,
});

export const uploadThumbnail = (id, file) => (dispatch, getState) => {
  dispatch(uploadThumbnailRequest());

  const total = file.size;
  const data = new FormData();

  data.append("thumbnail", file);

  api(getState).put(`/api/v1/media/${id}`, data, {
    onUploadProgress: ({ loaded }) => {
      dispatch(uploadThumbnailProgress(loaded, total));
    },
  }).then(({ data }) => {
    dispatch(uploadThumbnailSuccess(data));
  }).catch(error => {
    dispatch(uploadThumbnailFail(id, error));
  });
};

export const uploadThumbnailRequest = () => ({
  type: THUMBNAIL_UPLOAD_REQUEST,
  skipLoading: true,
});

export const uploadThumbnailProgress = (loaded, total) => ({
  type: THUMBNAIL_UPLOAD_PROGRESS,
  loaded,
  total,
  skipLoading: true,
});

export const uploadThumbnailSuccess = media => ({
  type: THUMBNAIL_UPLOAD_SUCCESS,
  media,
  skipLoading: true,
});

export const uploadThumbnailFail = error => ({
  type: THUMBNAIL_UPLOAD_FAIL,
  error,
  skipLoading: true,
});

export function initMediaEditModal(id) {
  return dispatch => {
    dispatch({
      type: INIT_MEDIA_EDIT_MODAL,
      id,
    });

    dispatch(openModal({
      modalType: "FOCAL_POINT",
      modalProps: { id },
    }));
  };
}

export function onChangeMediaDescription(description) {
  return {
    type: COMPOSE_CHANGE_MEDIA_DESCRIPTION,
    description,
  };
}

export function onChangeMediaFocus(focusX, focusY) {
  return {
    type: COMPOSE_CHANGE_MEDIA_FOCUS,
    focusX,
    focusY,
  };
}

export function changeUploadCompose(id, params) {
  return (dispatch, getState) => {
    dispatch(changeUploadComposeRequest());

    let media = getState().getIn(["compose", "media_attachments"]).find((item) => item.get("id") === id);

    // Editing already-attached media is deferred to editing the post itself.
    // For simplicity's sake, fake an API reply.
    if (media && !media.get("unattached")) {
      const { focus, ...other } = params;
      const data = { ...media.toJS(), ...other };

      if (focus) {
        const [x, y] = focus.split(",");
        data.meta = { focus: { x: parseFloat(x), y: parseFloat(y) } };
      }

      dispatch(changeUploadComposeSuccess(data, true));
    } else {
      api(getState).put(`/api/v1/media/${id}`, params).then(response => {
        dispatch(changeUploadComposeSuccess(response.data, false));
      }).catch(error => {
        dispatch(changeUploadComposeFail(id, error));
      });
    }
  };
}

export function changeUploadComposeRequest() {
  return {
    type: COMPOSE_UPLOAD_CHANGE_REQUEST,
    skipLoading: true,
  };
}

export function changeUploadComposeSuccess(media, attached) {
  return {
    type: COMPOSE_UPLOAD_CHANGE_SUCCESS,
    media: media,
    attached: attached,
    skipLoading: true,
  };
}

export function changeUploadComposeFail(error) {
  return {
    type: COMPOSE_UPLOAD_CHANGE_FAIL,
    error: error,
    skipLoading: true,
  };
}

export function uploadComposeRequest() {
  return {
    type: COMPOSE_UPLOAD_REQUEST,
    skipLoading: true,
  };
}

export function uploadComposeProgress(loaded, total) {
  return {
    type: COMPOSE_UPLOAD_PROGRESS,
    loaded: loaded,
    total: total,
  };
}

export function uploadComposeSuccess(media, file) {
  return {
    type: COMPOSE_UPLOAD_SUCCESS,
    media: media,
    file: file,
    skipLoading: true,
  };
}

export function uploadComposeFail(error) {
  return {
    type: COMPOSE_UPLOAD_FAIL,
    error: error,
    skipLoading: true,
  };
}

export function undoUploadCompose(media_id) {
  return {
    type: COMPOSE_UPLOAD_UNDO,
    media_id: media_id,
  };
}

export function clearComposeSuggestions() {
  if (fetchComposeSuggestionsAccountsController) {
    fetchComposeSuggestionsAccountsController.abort();
  }
  return {
    type: COMPOSE_SUGGESTIONS_CLEAR,
  };
}

const fetchComposeSuggestionsAccounts = throttle((dispatch, getState, token) => {
  if (fetchComposeSuggestionsAccountsController) {
    fetchComposeSuggestionsAccountsController.abort();
  }

  fetchComposeSuggestionsAccountsController = new AbortController();

  api(getState).get("/api/v1/accounts/search", {
    signal: fetchComposeSuggestionsAccountsController.signal,

    params: {
      q: token.slice(1),
      resolve: false,
      limit: 4,
    },
  }).then(response => {
    dispatch(importFetchedAccounts(response.data));
    dispatch(readyComposeSuggestionsAccounts(token, response.data));
  }).catch(error => {
    if (!axios.isCancel(error)) {
      dispatch(showAlertForError(error));
    }
  }).finally(() => {
    fetchComposeSuggestionsAccountsController = undefined;
  });
}, 200, { leading: true, trailing: true });

const fetchComposeSuggestionsEmojis = (dispatch, getState, token) => {
  const results = emojiSearch(token.replace(":", ""), { maxResults: 5 });
  dispatch(readyComposeSuggestionsEmojis(token, results));
};

const fetchComposeSuggestionsTags = throttle((dispatch, getState, token) => {
  if (fetchComposeSuggestionsTagsController) {
    fetchComposeSuggestionsTagsController.abort();
  }

  dispatch(updateSuggestionTags(token));

  fetchComposeSuggestionsTagsController = new AbortController();

  api(getState).get("/api/v2/search", {
    signal: fetchComposeSuggestionsTagsController.signal,

    params: {
      type: "hashtags",
      q: token.slice(1),
      resolve: false,
      limit: 4,
    },
  }).then(({ data }) => {
    dispatch(readyComposeSuggestionsTags(token, data.hashtags));
  }).catch(error => {
    if (!axios.isCancel(error)) {
      dispatch(showAlertForError(error));
    }
  }).finally(() => {
    fetchComposeSuggestionsTagsController = undefined;
  });
}, 200, { leading: true, trailing: true });

export function fetchComposeSuggestions(token) {
  return (dispatch, getState) => {
    switch (token[0]) {
      case ":":
        fetchComposeSuggestionsEmojis(dispatch, getState, token);
        break;
      case "#":
        fetchComposeSuggestionsTags(dispatch, getState, token);
        break;
      default:
        fetchComposeSuggestionsAccounts(dispatch, getState, token);
        break;
    }
  };
}

export function readyComposeSuggestionsEmojis(token, emojis) {
  return {
    type: COMPOSE_SUGGESTIONS_READY,
    token,
    emojis,
  };
}

export function readyComposeSuggestionsAccounts(token, accounts) {
  return {
    type: COMPOSE_SUGGESTIONS_READY,
    token,
    accounts,
  };
}

export const readyComposeSuggestionsTags = (token, tags) => ({
  type: COMPOSE_SUGGESTIONS_READY,
  token,
  tags,
});

export function selectComposeSuggestion(position, token, suggestion, path) {
  return (dispatch, getState) => {
    let completion;
    if (suggestion.type === "emoji") {
      dispatch(useEmoji(suggestion));
      completion = suggestion.native || suggestion.colons;
    } else if (suggestion.type === "hashtag") {
      completion = `#${suggestion.name}`;
    } else if (suggestion.type === "account") {
      completion = "@" + getState().getIn(["accounts", suggestion.id, "acct"]);
    }

    // We don't want to replace hashtags that vary only in case due to accessibility, but we need to fire off an event so that
    // the suggestions are dismissed and the cursor moves forward.
    if (suggestion.type !== "hashtag" || token.slice(1).localeCompare(suggestion.name, undefined, { sensitivity: "accent" }) !== 0) {
      dispatch({
        type: COMPOSE_SUGGESTION_SELECT,
        position,
        token,
        completion,
        path,
      });
    } else {
      dispatch({
        type: COMPOSE_SUGGESTION_IGNORE,
        position,
        token,
        completion,
        path,
      });
    }
  };
}

export function updateSuggestionTags(token) {
  return {
    type: COMPOSE_SUGGESTION_TAGS_UPDATE,
    token,
  };
}

export function updateTagHistory(tags) {
  return {
    type: COMPOSE_TAG_HISTORY_UPDATE,
    tags,
  };
}

export function hydrateCompose() {
  return (dispatch, getState) => {
    const me = getState().getIn(["meta", "me"]);
    const history = tagHistory.get(me);

    if (history !== null) {
      dispatch(updateTagHistory(history));
    }
  };
}

function insertIntoTagHistory(recognizedTags, text) {
  return (dispatch, getState) => {
    const state = getState();
    const oldHistory = state.getIn(["compose", "tagHistory"]);
    const me = state.getIn(["meta", "me"]);
    const names = recoverHashtags(recognizedTags, text);
    const intersectedOldHistory = oldHistory.filter(name => names.findIndex(newName => newName.toLowerCase() === name.toLowerCase()) === -1);

    names.push(...intersectedOldHistory.toJS());

    const newHistory = names.slice(0, 1000);

    tagHistory.set(me, newHistory);
    dispatch(updateTagHistory(newHistory));
  };
}

export function mountCompose() {
  return {
    type: COMPOSE_MOUNT,
  };
}

export function unmountCompose() {
  return {
    type: COMPOSE_UNMOUNT,
  };
}

export function changeComposeAdvancedOption(option, value) {
  return {
    option,
    type: COMPOSE_ADVANCED_OPTIONS_CHANGE,
    value,
  };
}

export function changeComposeSensitivity() {
  return {
    type: COMPOSE_SENSITIVITY_CHANGE,
  };
}

export const changeComposeLanguage = language => ({
  type: COMPOSE_LANGUAGE_CHANGE,
  language,
});

export function changeComposeSpoilerness() {
  return {
    type: COMPOSE_SPOILERNESS_CHANGE,
  };
}

export function changeComposeSpoilerText(text) {
  return {
    type: COMPOSE_SPOILER_TEXT_CHANGE,
    text,
  };
}

export function changeComposeVisibility(value) {
  return {
    type: COMPOSE_VISIBILITY_CHANGE,
    value,
  };
}

export function changeComposeContentType(value) {
  return {
    type: COMPOSE_CONTENT_TYPE_CHANGE,
    value,
  };
}

export function insertEmojiCompose(position, emoji) {
  return {
    type: COMPOSE_EMOJI_INSERT,
    position,
    emoji,
  };
}

export function addPoll() {
  return {
    type: COMPOSE_POLL_ADD,
  };
}

export function removePoll() {
  return {
    type: COMPOSE_POLL_REMOVE,
  };
}

export function addPollOption(title) {
  return {
    type: COMPOSE_POLL_OPTION_ADD,
    title,
  };
}

export function changePollOption(index, title) {
  return {
    type: COMPOSE_POLL_OPTION_CHANGE,
    index,
    title,
  };
}

export function removePollOption(index) {
  return {
    type: COMPOSE_POLL_OPTION_REMOVE,
    index,
  };
}

export function changePollSettings(expiresIn, isMultiple) {
  return {
    type: COMPOSE_POLL_SETTINGS_CHANGE,
    expiresIn,
    isMultiple,
  };
}