feat(gui): add cancel to API client

gui/src/client.ts

@@ -141,6 +141,7 @@ export interface ImageResponse {
  * Status response from the ready endpoint.
  */
 export interface ReadyResponse {
+  progress: number;
   ready: boolean;
 }
 
@@ -213,6 +214,8 @@ export interface ApiClient {
    * Check whether some pipeline's output is ready yet.
    */
   ready(params: ImageResponse): Promise<ReadyResponse>;
+
+  cancel(params: ImageResponse): Promise<boolean>;
 }
 
 /**
@@ -495,7 +498,14 @@ export function makeClient(root: string, f = fetch): ApiClient {
 
       const res = await f(path);
       return await res.json() as ReadyResponse;
-    }
+    },
+    async cancel(params: ImageResponse): Promise<boolean> {
+      const path = makeApiUrl(root, 'cancel');
+      path.searchParams.append('output', params.output.key);
+
+      const res = await f(path);
+      return res.status === STATUS_SUCCESS;
+    },
   };
 }
 

gui/src/components/ImageHistory.tsx

@@ -17,12 +17,12 @@ export function ImageHistory() {
 
   const children = [];
 
-  if (doesExist(loading)) {
-    children.push(<LoadingCard key='loading' loading={loading} />);
+  if (loading.length > 0) {
+    children.push(...loading.map((item) => <LoadingCard key={`loading-${item.image.output.key}`} loading={item.image} />));
   }
 
   if (history.length > 0) {
-    children.push(...history.map((item) => <ImageCard key={item.output.key} value={item} onDelete={removeHistory} />));
+    children.push(...history.map((item) => <ImageCard key={`history-${item.output.key}`} value={item} onDelete={removeHistory} />));
   } else {
     if (doesExist(loading) === false) {
       children.push(<Typography>No results. Press Generate.</Typography>);

gui/src/components/LoadingCard.tsx

@@ -1,8 +1,8 @@
 import { doesExist, mustExist } from '@apextoaster/js-utils';
-import { Card, CardContent, CircularProgress } from '@mui/material';
+import { Button, Card, CardContent, CircularProgress } from '@mui/material';
 import * as React from 'react';
 import { useContext } from 'react';
-import { useQuery } from 'react-query';
+import { useMutation, useQuery } from 'react-query';
 import { useStore } from 'zustand';
 
 import { ImageResponse } from '../client.js';
@@ -17,15 +17,34 @@ export function LoadingCard(props: LoadingCardProps) {
   const client = mustExist(React.useContext(ClientContext));
   const { params } = mustExist(useContext(ConfigContext));
 
+  const state = mustExist(useContext(StateContext));
   // eslint-disable-next-line @typescript-eslint/unbound-method
-  const pushHistory = useStore(mustExist(useContext(StateContext)), (state) => state.pushHistory);
+  const clearLoading = useStore(state, (s) => s.clearLoading);
+  // eslint-disable-next-line @typescript-eslint/unbound-method
+  const pushHistory = useStore(state, (s) => s.pushHistory);
 
+  async function doCancel() {
+    const cancelled = await client.cancel(props.loading);
+    if (cancelled) {
+      clearLoading();
+    }
+  }
+
+  const cancel = useMutation(doCancel);
   const query = useQuery('ready', () => client.ready(props.loading), {
     // data will always be ready without this, even if the API says its not
     cacheTime: 0,
     refetchInterval: POLL_TIME,
   });
 
+  function progress() {
+    if (doesExist(query.data)) {
+      return Math.ceil(query.data.progress / props.loading.params.steps);
+    }
+
+    return 0;
+  }
+
   function ready() {
     return doesExist(query.data) && query.data.ready;
   }
@@ -44,7 +63,8 @@ export function LoadingCard(props: LoadingCardProps) {
         justifyContent: 'center',
         minHeight: params.height.default,
       }}>
-        <CircularProgress />
+        <CircularProgress value={progress()} />
+        <Button>Cancel</Button>
       </div>
     </CardContent>
   </Card>;

gui/src/state.ts

@@ -1,5 +1,5 @@
 /* eslint-disable no-null/no-null */
-import { Maybe } from '@apextoaster/js-utils';
+import { doesExist, Maybe } from '@apextoaster/js-utils';
 import { createContext } from 'react';
 import { StateCreator, StoreApi } from 'zustand';
 
@@ -12,6 +12,7 @@ import {
   InpaintParams,
   ModelParams,
   OutpaintPixels,
+  ReadyResponse,
   Txt2ImgParams,
   UpscaleParams,
   UpscaleReqParams,
@@ -23,6 +24,11 @@ import { Config, ConfigFiles, ConfigState, ServerParams } from './config.js';
  */
 type TabState<TabParams> = ConfigFiles<Required<TabParams>> & ConfigState<Required<TabParams>>;
 
+interface LoadingItem {
+  image: ImageResponse;
+  ready: Maybe<ReadyResponse>;
+}
+
 interface BrushSlice {
   brush: BrushParams;
 
@@ -38,12 +44,14 @@ interface DefaultSlice {
 interface HistorySlice {
   history: Array<ImageResponse>;
   limit: number;
-  loading: Maybe<ImageResponse>;
+  loading: Array<LoadingItem>;
 
+  // TODO: hack until setLoading removes things
+  clearLoading(): void;
   pushHistory(image: ImageResponse): void;
   removeHistory(image: ImageResponse): void;
   setLimit(limit: number): void;
-  setLoading(image: Maybe<ImageResponse>): void;
+  setLoading(image: ImageResponse, ready?: Maybe<ReadyResponse>): void;
 }
 
 interface ModelSlice {
@@ -264,7 +272,13 @@ export function createStateSlices(server: ServerParams) {
   const createHistorySlice: Slice<HistorySlice> = (set) => ({
     history: [],
     limit: DEFAULT_HISTORY.limit,
-    loading: null,
+    loading: [],
+    clearLoading() {
+      set((prev) => ({
+        ...prev,
+        loading: [],
+      }));
+    },
     pushHistory(image) {
       set((prev) => ({
         ...prev,
@@ -272,9 +286,25 @@ export function createStateSlices(server: ServerParams) {
           image,
           ...prev.history,
         ].slice(0, prev.limit + DEFAULT_HISTORY.scrollback),
-        loading: null,
+        loading: [],
       }));
     },
+    setLoading(image, ready) {
+      set((prev) => {
+        const loading = [...prev.loading];
+        const idx = loading.findIndex((it) => it.image.output.key === image.output.key);
+        if (idx >= 0) {
+          loading[idx].ready = ready;
+        } else {
+          loading.push({ image, ready });
+        }
+
+        return {
+          ...prev,
+          loading,
+        };
+      });
+    },
     removeHistory(image) {
       set((prev) => ({
         ...prev,
@@ -287,12 +317,6 @@ export function createStateSlices(server: ServerParams) {
         limit,
       }));
     },
-    setLoading(loading) {
-      set((prev) => ({
-        ...prev,
-        loading,
-      }));
-    },
   });
 
   const createOutpaintSlice: Slice<OutpaintSlice> = (set) => ({