remove experimental reembedding support (#2301)

* remove experimental reembedding support

* lint

* lint

* add prepare requirements to requirements-dev

* oops, revert accidental deletion of import

* more test modifications

* remove obsolete unit tests

client/src/actions/embedding.js

@@ -11,7 +11,7 @@ export async function _switchEmbedding(
   newEmbeddingName
 ) {
   /*
-  DRY helper used by this and reembedding action creators
+  DRY helper used by embedding action creators
   */
   const base = prevAnnoMatrix.base();
   const embeddingDf = await base.fetch("emb", newEmbeddingName);

client/src/actions/index.js

@@ -5,9 +5,6 @@ import {
   doJsonRequest,
   dispatchNetworkErrorMessageToUser,
 } from "../util/actionHelpers";
-import {
-  requestReembed /* , reembedResetWorldToUniverse -- disabled temporarily, TODO issue #1606 */,
-} from "./reembed";
 import { loadUserColorConfig } from "../util/stateManager/colorHelpers";
 import * as selnActions from "./selection";
 import * as annoActions from "./annotation";
@@ -243,7 +240,6 @@ export default {
   requestDifferentialExpression,
   requestSingleGeneExpressionCountsForColoringPOST,
   requestUserDefinedGene,
-  requestReembed,
   selectContinuousMetadataAction: selnActions.selectContinuousMetadataAction,
   selectCategoricalMetadataAction: selnActions.selectCategoricalMetadataAction,
   selectCategoricalAllMetadataAction:

client/src/actions/reembed.js

@@ -1,112 +0,0 @@
-import { API } from "../globals";
-import {
-  postNetworkErrorToast,
-  postAsyncSuccessToast,
-  postAsyncFailureToast,
-} from "../components/framework/toasters";
-import { _switchEmbedding } from "./embedding";
-
-function abortableFetch(request, opts, timeout = 0) {
-  const controller = new AbortController();
-  const { signal } = controller;
-
-  return {
-    abort: () => controller.abort(),
-    isAborted: () => signal.aborted,
-    ready: () => {
-      if (timeout) {
-        setTimeout(() => controller.abort(), timeout);
-      }
-      return fetch(request, { ...opts, signal });
-    },
-  };
-}
-
-async function doReembedFetch(dispatch, getState) {
-  const state = getState();
-  let cells = state.annoMatrix.rowIndex.labels();
-
-  // These lines ensure that we convert any TypedArray to an Array.
-  // This is necessary because JSON.stringify() does some very strange
-  // things with TypedArrays (they are marshalled to JSON objects, rather
-  // than being marshalled as a JSON array).
-  cells = Array.isArray(cells) ? cells : Array.from(cells);
-
-  const af = abortableFetch(
-    `${API.prefix}${API.version}layout/obs`,
-    {
-      method: "PUT",
-      headers: new Headers({
-        Accept: "application/octet-stream",
-        "Content-Type": "application/json",
-      }),
-      body: JSON.stringify({
-        method: "umap",
-        filter: { obs: { index: cells } },
-      }),
-      credentials: "include",
-    },
-    60000 // 1 minute timeout
-  );
-  dispatch({
-    type: "reembed: request start",
-    abortableFetch: af,
-  });
-  const res = await af.ready();
-
-  if (res.ok && res.headers.get("Content-Type").includes("application/json")) {
-    return res;
-  }
-
-  // else an error
-  let msg = `Unexpected HTTP response ${res.status}, ${res.statusText}`;
-  const body = await res.text();
-  if (body && body.length > 0) {
-    msg = `${msg} -- ${body}`;
-  }
-  throw new Error(msg);
-}
-
-/*
-functions below are dispatch-able
-*/
-export function requestReembed() {
-  return async (dispatch, getState) => {
-    try {
-      const res = await doReembedFetch(dispatch, getState);
-      const schema = await res.json();
-      dispatch({
-        type: "reembed: request completed",
-      });
-
-      const {
-        annoMatrix: prevAnnoMatrix,
-        obsCrossfilter: prevCrossfilter,
-      } = getState();
-      const base = prevAnnoMatrix.base().addEmbedding(schema);
-      const [annoMatrix, obsCrossfilter] = await _switchEmbedding(
-        base,
-        prevCrossfilter,
-        schema.name
-      );
-      dispatch({
-        type: "reembed: add reembedding",
-        schema,
-        annoMatrix,
-        obsCrossfilter,
-      });
-
-      postAsyncSuccessToast("Re-embedding has completed.");
-    } catch (error) {
-      dispatch({
-        type: "reembed: request aborted",
-      });
-      if (error.name === "AbortError") {
-        postAsyncFailureToast("Re-embedding calculation was aborted.");
-      } else {
-        postNetworkErrorToast(`Re-embedding: ${error.message}`);
-      }
-      console.log("Reembed exception:", error, error.name, error.message);
-    }
-  };
-}