Allow experiment forking (#89)

* Move DeleteButton into a separate file

* Rename plural relations

* Add ability to fork

* Fork automatically after auth upon return

* Add experiment card skeleton

* Create HeaderButtons component

* return no header buttons while experiment loading

* Fix prettier

* Remove unused variable

* Remove newline

* Default json values to undefined

* Change header styles

* Fix prettier

* Give AddScenario icon less width

* Move useEffect

* Skip invalidating experiments list after forking

* Require user to be able to view experiment to fork it

* Move experiment creation into same transaction

* Only return the forked experiment id

* Put delete button in experiment settings drawer

* Move useEffect hook

src/components/experiments/HeaderButtons/DeleteDialog.tsx

@@ -0,0 +1,57 @@
+import {
+  Button,
+  AlertDialog,
+  AlertDialogBody,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogContent,
+  AlertDialogOverlay,
+} from "@chakra-ui/react";
+
+import { useRouter } from "next/router";
+import { useRef } from "react";
+import { api } from "~/utils/api";
+import { useExperiment, useHandledAsyncCallback } from "~/utils/hooks";
+
+export const DeleteDialog = ({ onClose }: { onClose: () => void }) => {
+  const experiment = useExperiment();
+  const deleteMutation = api.experiments.delete.useMutation();
+  const utils = api.useContext();
+  const router = useRouter();
+
+  const cancelRef = useRef<HTMLButtonElement>(null);
+
+  const [onDeleteConfirm] = useHandledAsyncCallback(async () => {
+    if (!experiment.data?.id) return;
+    await deleteMutation.mutateAsync({ id: experiment.data.id });
+    await utils.experiments.list.invalidate();
+    await router.push({ pathname: "/experiments" });
+    onClose();
+  }, [deleteMutation, experiment.data?.id, router]);
+
+  return (
+    <AlertDialog isOpen leastDestructiveRef={cancelRef} onClose={onClose}>
+      <AlertDialogOverlay>
+        <AlertDialogContent>
+          <AlertDialogHeader fontSize="lg" fontWeight="bold">
+            Delete Experiment
+          </AlertDialogHeader>
+
+          <AlertDialogBody>
+            If you delete this experiment all the associated prompts and scenarios will be deleted
+            as well. Are you sure?
+          </AlertDialogBody>
+
+          <AlertDialogFooter>
+            <Button ref={cancelRef} onClick={onClose}>
+              Cancel
+            </Button>
+            <Button colorScheme="red" onClick={onDeleteConfirm} ml={3}>
+              Delete
+            </Button>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialogOverlay>
+    </AlertDialog>
+  );
+};

src/components/experiments/HeaderButtons/HeaderButtons.tsx

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+import { Button, HStack, Icon, Spinner, Text } from "@chakra-ui/react";
+import { useOnForkButtonPressed } from "./useOnForkButtonPressed";
+import { useExperiment } from "~/utils/hooks";
+import { BsGearFill } from "react-icons/bs";
+import { TbGitFork } from "react-icons/tb";
+import { useAppStore } from "~/state/store";
+
+export const HeaderButtons = () => {
+  const experiment = useExperiment();
+
+  const canModify = experiment.data?.access.canModify ?? false;
+
+  const { onForkButtonPressed, isForking } = useOnForkButtonPressed();
+
+  const openDrawer = useAppStore((s) => s.openDrawer);
+
+  if (experiment.isLoading) return null;
+
+  return (
+    <HStack spacing={0}>
+      <Button
+        onClick={onForkButtonPressed}
+        mr={4}
+        colorScheme={canModify ? undefined : "orange"}
+        bgColor={canModify ? undefined : "orange.400"}
+        minW={0}
+        variant={canModify ? "ghost" : "solid"}
+      >
+        {isForking ? <Spinner boxSize={5} /> : <Icon as={TbGitFork} boxSize={5} />}
+        <Text ml={2}>Fork</Text>
+      </Button>
+      {canModify && (
+        <Button
+          mt={{ base: 2, md: 0 }}
+          variant={{ base: "solid", md: "ghost" }}
+          onClick={openDrawer}
+        >
+          <HStack>
+            <Icon as={BsGearFill} />
+            <Text>Settings</Text>
+          </HStack>
+        </Button>
+      )}
+    </HStack>
+  );
+};

src/components/experiments/HeaderButtons/useOnForkButtonPressed.tsx

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+import { useCallback } from "react";
+import { api } from "~/utils/api";
+import { useExperiment, useHandledAsyncCallback } from "~/utils/hooks";
+import { signIn, useSession } from "next-auth/react";
+import { useRouter } from "next/router";
+
+export const useOnForkButtonPressed = () => {
+  const router = useRouter();
+
+  const user = useSession().data;
+  const experiment = useExperiment();
+
+  const forkMutation = api.experiments.fork.useMutation();
+
+  const [onFork, isForking] = useHandledAsyncCallback(async () => {
+    if (!experiment.data?.id) return;
+    const forkedExperimentId = await forkMutation.mutateAsync({ id: experiment.data.id });
+    await router.push({ pathname: "/experiments/[id]", query: { id: forkedExperimentId } });
+  }, [forkMutation, experiment.data?.id, router]);
+
+  const onForkButtonPressed = useCallback(() => {
+    if (user === null) {
+      signIn("github").catch(console.error);
+    } else {
+      onFork();
+    }
+  }, [onFork, user]);
+
+  return { onForkButtonPressed, isForking };
+};