[next] Story Mutations (#2055)

*  feat: added mutations for removing + scraping stories

- added mutation for removing stories
- added mutation for scraping stories
- renamed all delete* to remove* to avoid reserved keyword collision

* fix: linting

* feat: implemented createStory

* feat: added support for createStory

* feat: improved Story deletion

- Deletes comments on the deleted Story
- Deletes actions of comments that were deleted via new
  `root_item_id` parameter for Comment Action's
- Added logging around critical components of the remove
  process

* feat: implemented mergeStory

- Added new merge function for root actions
- Added new merge function for story comments
- Added new merge function for comment status counts
- Added new remove stories function

* fix: fixed story creation method

* fix: added action count merging

* fix: removed outdated file

* fix: removed queue that got duplicated via rebase

* fix: prevent error when action counts are empty

src/core/client/stream/mutations/RemoveCommentReactionMutation.ts

@@ -0,0 +1,64 @@
+import { graphql } from "react-relay";
+import { Environment } from "relay-runtime";
+
+import {
+  commitMutationPromiseNormalized,
+  createMutationContainer,
+} from "talk-framework/lib/relay";
+
+import { RemoveCommentReactionMutation as MutationTypes } from "talk-stream/__generated__/RemoveCommentReactionMutation.graphql";
+import { CreateCommentReactionInput } from "talk-stream/mutations/CreateCommentReactionMutation";
+
+const mutation = graphql`
+  mutation RemoveCommentReactionMutation($input: CreateCommentReactionInput!) {
+    removeCommentReaction(input: $input) {
+      comment {
+        ...ReactionButtonContainer_comment
+      }
+      clientMutationId
+    }
+  }
+`;
+
+const clientMutationId = 0;
+
+function commit(environment: Environment, input: CreateCommentReactionInput) {
+  const source = environment.getStore().getSource();
+  const currentCount = source.get(
+    source.get(source.get(input.commentID)!.actionCounts.__ref)!.reaction.__ref
+  )!.total;
+  return commitMutationPromiseNormalized<MutationTypes>(environment, {
+    mutation,
+    variables: {
+      input: {
+        ...input,
+        clientMutationId: clientMutationId.toString(),
+      },
+    },
+    optimisticResponse: {
+      removeCommentReaction: {
+        comment: {
+          id: input.commentID,
+          myActionPresence: {
+            reaction: false,
+          },
+          actionCounts: {
+            reaction: {
+              total: currentCount - 1,
+            },
+          },
+        },
+        clientMutationId: clientMutationId.toString(),
+      },
+    } as any, // TODO: (cvle) generated types should contain one for the optimistic response.
+  });
+}
+
+export const withRemoveCommentReactionMutation = createMutationContainer(
+  "removeCommentReaction",
+  commit
+);
+
+export type RemoveCommentReactionMutation = (
+  input: CreateCommentReactionInput
+) => Promise<MutationTypes["response"]["removeCommentReaction"]>;