Update Dockerfile

.dockerignore

@@ -1,4 +1,5 @@
 frontend/node_modules
 frontend/.parcel-cache
+server/mongodb-data
 target/debug
 

Dockerfile

@@ -1,5 +1,5 @@
 # 1. BUILD-CONTAINER: Frontend
-FROM node:gallium-alpine
+FROM node:hydrogen-alpine
 
 WORKDIR /root
 
@@ -30,5 +30,7 @@ WORKDIR /root
 COPY --from=0 /root/dist /root/assets
 COPY --from=1 /root/target/release/adf-bdd-server /root/server
 
+EXPOSE 8080
+
 ENTRYPOINT ["./server"]
 

frontend/src/components/adf-details.tsx

@@ -1,14 +1,33 @@
-import React from 'react';
+import React, {
+  useState, useContext, useEffect, useCallback, useRef,
+} from 'react';
+import { useParams, useNavigate } from 'react-router-dom';
+import {
+  Alert,
+  AlertColor,
+  Button,
+  Chip,
+  Container,
+  Paper,
+  Pagination,
+  Skeleton,
+  Stack,
+  Tabs,
+  Tab,
+  TextField,
+  Typography,
+} from '@mui/material';
 
-import {AlertColor} from '@mui/material';
+import GraphG6, { GraphProps } from './graph-g6';
-
+import LoadingContext from './loading-context';
-import { GraphProps } from './graph-g6';
+import SnackbarContext from './snackbar-context';
 
 export type Parsing = 'Naive' | 'Hybrid';
 
 export type StrategySnakeCase = 'parse_only' | 'ground' | 'complete' | 'stable' | 'stable_counting_a' | 'stable_counting_b' | 'stable_nogood';
 
 export type StrategyCamelCase = 'ParseOnly' | 'Ground' | 'Complete' | 'Stable' | 'StableCountingA' | 'StableCountingB' | 'StableNogood';
+export const STRATEGIES_WITHOUT_PARSE: StrategyCamelCase[] = ['Ground', 'Complete', 'Stable', 'StableCountingA', 'StableCountingB', 'StableNogood'];
 
 export interface AcAndGraph {
   ac: string[],
@@ -36,7 +55,8 @@ export interface AdfProblemInfo {
   name: string,
   code: string,
   parsing_used: Parsing,
-  acs_per_strategy: { [key in StrategySnakeCase]: AcsWithGraphsOpt }, // NOTE: the keys are really only strategies
+  // NOTE: the keys are really only strategies
+  acs_per_strategy: { [key in StrategySnakeCase]: AcsWithGraphsOpt },
   running_tasks: Task[],
 }
 
@@ -49,6 +69,8 @@ export function acsWithGraphOptToColor(status: AcsWithGraphsOpt, running: boolea
     case 'None': return 'info';
     case 'Error': return 'error';
     case 'Some': return 'success';
+    default:
+      throw new Error('Unknown type union variant (cannot occur)');
   }
 }
 
@@ -61,12 +83,258 @@ export function acsWithGraphOptToText(status: AcsWithGraphsOpt, running: boolean
     case 'None': return 'Not attempted';
     case 'Error': return 'Failed';
     case 'Some': return 'Done';
+    default:
+      throw new Error('Unknown type union variant (cannot occur)');
   }
 }
 
 function AdfDetails() {
+  const { adfName } = useParams();
+  const navigate = useNavigate();
+
+  const { setLoading } = useContext(LoadingContext);
+  const { status: snackbarInfo, setStatus: setSnackbarInfo } = useContext(SnackbarContext);
+  const [problem, setProblem] = useState<AdfProblemInfo>();
+  const [tab, setTab] = useState<StrategySnakeCase>('parse_only');
+  const [solutionIndex, setSolutionIndex] = useState<number>(0);
+
+  const isFirstRender = useRef(true);
+
+  const fetchProblem = useCallback(
+    () => {
+      fetch(`${process.env.NODE_ENV === 'development' ? '//localhost:8080' : ''}/adf/${adfName}`, {
+        method: 'GET',
+        credentials: process.env.NODE_ENV === 'development' ? 'include' : 'same-origin',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then((res) => {
+          switch (res.status) {
+            case 200:
+              res.json().then((resProblem) => {
+                setProblem(resProblem);
+              });
+              break;
+            default:
+              navigate('/');
+              break;
+          }
+        });
+    },
+    [setProblem],
+  );
+
+  const solveHandler = useCallback(
+    (strategy: StrategyCamelCase) => {
+      setLoading(true);
+
+      fetch(`${process.env.NODE_ENV === 'development' ? '//localhost:8080' : ''}/adf/${adfName}/solve`, {
+        method: 'PUT',
+        credentials: process.env.NODE_ENV === 'development' ? 'include' : 'same-origin',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ strategy }),
+      })
+        .then((res) => {
+          switch (res.status) {
+            case 200:
+              setSnackbarInfo({ message: 'Solving problem now...', severity: 'success', potentialUserChange: false });
+              fetchProblem();
+              break;
+            default:
+              setSnackbarInfo({ message: 'Something went wrong tying to solve the problem.', severity: 'error', potentialUserChange: false });
+              break;
+          }
+        })
+        .finally(() => setLoading(false));
+    },
+    [adfName],
+  );
+
+  const deleteHandler = useCallback(
+    () => {
+      setLoading(true);
+
+      fetch(`${process.env.NODE_ENV === 'development' ? '//localhost:8080' : ''}/adf/${adfName}`, {
+        method: 'DELETE',
+        credentials: process.env.NODE_ENV === 'development' ? 'include' : 'same-origin',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then((res) => {
+          switch (res.status) {
+            case 200:
+              setSnackbarInfo({ message: 'ADF Problem deleted.', severity: 'success', potentialUserChange: false });
+              navigate('/');
+              break;
+            default:
+              break;
+          }
+        })
+        .finally(() => setLoading(false));
+    },
+    [adfName],
+  );
+
+  useEffect(
+    () => {
+      // TODO: having the info if the user may have changed on the snackbar info
+      // is a bit lazy and unclean; be better!
+      if (isFirstRender.current || snackbarInfo?.potentialUserChange) {
+        isFirstRender.current = false;
+
+        fetchProblem();
+      }
+    },
+    [snackbarInfo?.potentialUserChange],
+  );
+
+  useEffect(
+    () => {
+      // if there is a running task, fetch problems again after 20 seconds
+      let timeout: ReturnType<typeof setTimeout>;
+      if (problem && problem.running_tasks.length > 0) {
+        timeout = setTimeout(() => fetchProblem(), 20000);
+      }
+
+      return () => {
+        if (timeout) {
+          clearTimeout(timeout);
+        }
+      };
+    },
+    [problem],
+  );
+
+  const acsOpt = problem?.acs_per_strategy[tab];
+  const acsContent = acsOpt?.type === 'Some' ? acsOpt.content : undefined;
+  const tabCamelCase: StrategyCamelCase = tab.replace(/^([a-z])/, (_, p1) => p1.toUpperCase()).replace(/_([a-z])/g, (_, p1) => `${p1.toUpperCase()}`) as StrategyCamelCase;
+
   return (
-    <div>Details</div>
+    <>
+      <Typography variant="h3" component="h1" align="center" gutterBottom>
+        ADF-BDD.DEV
+      </Typography>
+      <Container sx={{ marginBottom: 4 }}>
+        {problem ? (
+          <>
+            <Paper elevation={8} sx={{ padding: 2, marginBottom: 2 }}>
+              <Stack direction="row" justifyContent="space-between" sx={{ marginBottom: 1 }}>
+                <Button
+                  variant="outlined"
+                  color="info"
+                  onClick={() => { navigate('/'); }}
+                >
+                  Back
+                </Button>
+                <Typography variant="h4" component="h2" align="center" gutterBottom>
+                  {problem.name}
+                </Typography>
+                <Button
+                  type="button"
+                  variant="outlined"
+                  color="error"
+                  onClick={() => {
+                  // eslint-disable-next-line no-alert
+                    if (window.confirm('Are you sure that you want to delete this ADF problem?')) {
+                      deleteHandler();
+                    }
+                  }}
+                >
+                  Delete
+                </Button>
+              </Stack>
+              <TextField
+                name="code"
+                label="Code"
+                helperText="Click here to copy!"
+                multiline
+                maxRows={5}
+                fullWidth
+                variant="filled"
+                value={problem.code.trim()}
+                disabled
+                sx={{ cursor: 'pointer' }}
+                onClick={() => { navigator.clipboard.writeText(problem.code); setSnackbarInfo({ message: 'Code copied to clipboard!', severity: 'info', potentialUserChange: false }); }}
+              />
+            </Paper>
+            <Tabs
+              value={tab}
+              onChange={(_e, newTab) => { setTab(newTab); setSolutionIndex(0); }}
+              variant="scrollable"
+              scrollButtons="auto"
+            >
+              <Tab wrapped value="parse_only" label={<Chip color={acsWithGraphOptToColor(problem.acs_per_strategy.parse_only, problem.running_tasks.some((t: Task) => t.type === 'Parse'))} label={`${problem.parsing_used} Parsing`} sx={{ cursor: 'inherit' }} />} />
+              {STRATEGIES_WITHOUT_PARSE.map((strategy) => {
+                const spaced = strategy.replace(/([A-Za-z])([A-Z])/g, '$1 $2');
+                const snakeCase = strategy.replace(/^([A-Z])/, (_, p1) => p1.toLowerCase()).replace(/([A-Z])/g, (_, p1) => `_${p1.toLowerCase()}`) as StrategySnakeCase;
+                const status = problem.acs_per_strategy[snakeCase];
+
+                const running = problem.running_tasks.some((t: Task) => t.type === 'Solve' && t.content === strategy);
+
+                const color = acsWithGraphOptToColor(status, running);
+
+                return <Tab key={strategy} wrapped value={snakeCase} label={<Chip color={color} label={spaced} sx={{ cursor: 'inherit' }} />} />;
+              })}
+            </Tabs>
+
+            {acsContent && acsContent.length > 1 && (
+              <>
+                Models:
+                <br />
+                <Pagination variant="outlined" shape="rounded" count={acsContent.length} page={solutionIndex + 1} onChange={(_e, newIdx) => setSolutionIndex(newIdx - 1)} />
+              </>
+            )}
+            <Paper elevation={3} square sx={{ padding: 2, marginTop: 4, marginBottom: 4 }}>
+              {problem.running_tasks.some((t: Task) => (tab === 'parse_only' && t.type === 'Parse') || (t.type === 'Solve' && t.content === tabCamelCase)) ? (
+                <Alert severity="warning">Working hard to solve the problem right now...</Alert>
+              ) : (
+                <>
+                  {acsContent && acsContent.length > 0 && (
+                  <GraphG6 graph={acsContent[solutionIndex].graph} />
+                  )}
+                  {acsContent && acsContent.length === 0 && (
+                  <Alert severity="info">The problem has no models for this strategy.</Alert>
+                  )}
+                  {!acsContent && acsOpt?.type === 'Error' && (
+                  <Alert severity="error">
+                    An error occurred:
+                    {acsOpt.content}
+                  </Alert>
+                  )}
+                  {!acsContent && acsOpt?.type === 'None' && (
+                  <>
+                    <Alert severity="info" sx={{ marginBottom: 1 }}>This strategy was not attempted yet.</Alert>
+                    <Button
+                      variant="contained"
+                      size="large"
+                      color="warning"
+                      onClick={() => {
+                        solveHandler(tabCamelCase);
+                      }}
+                    >
+                      Solve now!
+                    </Button>
+                  </>
+                  )}
+                </>
+              )}
+            </Paper>
+          </>
+        ) : (
+          <>
+            <Paper elevation={8} sx={{ padding: 2, marginBottom: 8 }}>
+              <Skeleton variant="text" width="50%" sx={{ fontSize: '2.125rem', margin: 'auto' }} />
+              <Skeleton variant="rounded" width="100%" height={200} />
+            </Paper>
+            <Skeleton variant="rectangular" width="100%" height={500} />
+          </>
+        )}
+      </Container>
+    </>
   );
 }
 

frontend/src/components/adf-new-form.tsx

@@ -3,16 +3,12 @@ import React, {
 } from 'react';
 
 import {
-  Backdrop,
   Button,
-  CircularProgress,
-  CssBaseline,
   Container,
   FormControl,
   FormControlLabel,
   FormLabel,
   Link,
-  Pagination,
   Paper,
   Radio,
   RadioGroup,
@@ -54,7 +50,10 @@ function AdfNewForm({fetchProblems}: { fetchProblems: () => void; }) {
       const formData = new FormData();
 
       if (isFileUpload && fileRef.current) {
-        formData.append('file', fileRef.current.files![0]);
+        const file = fileRef.current.files?.[0];
+        if (file) {
+          formData.append('file', file);
+        }
       } else {
         formData.append('code', code);
       }
@@ -110,7 +109,7 @@ function AdfNewForm({fetchProblems}: { fetchProblems: () => void; }) {
           {isFileUpload ? (
             <Stack direction="row" justifyContent="center">
               <Button component="label">
-          {(!!filename && fileRef?.current?.files?.[0]) ? `File '${filename.split(/[\\\/]/).pop()}' selected! (Click to change)` : 'Upload File'}
+                {(!!filename && fileRef?.current?.files?.[0]) ? `File '${filename.split(/[\\/]/).pop()}' selected! (Click to change)` : 'Upload File'}
                 <input hidden type="file" onChange={(event) => { setFilename(event.target.value); }} ref={fileRef} />
               </Button>
             </Stack>
@@ -147,8 +146,8 @@ function AdfNewForm({fetchProblems}: { fetchProblems: () => void; }) {
                 value={parsing}
                 onChange={(e) => setParsing(((e.target as HTMLInputElement).value) as Parsing)}
               >
-          <FormControlLabel value={'Naive'} control={<Radio />} label="Naive" />
+                <FormControlLabel value="Naive" control={<Radio />} label="Naive" />
-          <FormControlLabel value={'Hybrid'} control={<Radio />} label="Hybrid" />
+                <FormControlLabel value="Hybrid" control={<Radio />} label="Hybrid" />
               </RadioGroup>
             </FormControl>
             <TextField

frontend/src/components/adf-overview.tsx

@@ -1,21 +1,15 @@
-import React, { useState, useCallback, useEffect } from 'react';
+import React, {
+  useRef, useState, useCallback, useEffect, useContext,
+} from 'react';
+
+import {
+  useNavigate,
+} from 'react-router-dom';
 
 import {
-  Backdrop,
-  Button,
   Chip,
-  CircularProgress,
-  CssBaseline,
   Container,
-  FormControl,
-  FormControlLabel,
-  FormLabel,
-  Link,
-  Pagination,
   Paper,
-  Radio,
-  RadioGroup,
-  Stack,
   TableContainer,
   Table,
   TableHead,
@@ -23,18 +17,29 @@ import {
   TableCell,
   TableBody,
   Typography,
-  TextField,
-  ToggleButtonGroup,
-  ToggleButton,
 } from '@mui/material';
 
 import AdfNewForm from './adf-new-form';
 
-import {AdfProblemInfo, StrategySnakeCase, StrategyCamelCase, Task, acsWithGraphOptToColor, acsWithGraphOptToText} from './adf-details';
+import {
+  AdfProblemInfo,
+  StrategySnakeCase,
+  STRATEGIES_WITHOUT_PARSE,
+  Task,
+  acsWithGraphOptToColor,
+  acsWithGraphOptToText,
+} from './adf-details';
+
+import SnackbarContext from './snackbar-context';
 
 function AdfOverview() {
+  const { status: snackbarInfo } = useContext(SnackbarContext);
   const [problems, setProblems] = useState<AdfProblemInfo[]>([]);
 
+  const navigate = useNavigate();
+
+  const isFirstRender = useRef(true);
+
   const fetchProblems = useCallback(
     () => {
       fetch(`${process.env.NODE_ENV === 'development' ? '//localhost:8080' : ''}/adf/`, {
@@ -47,10 +52,13 @@ function AdfOverview() {
         .then((res) => {
           switch (res.status) {
             case 200:
-              res.json().then((problems) => {
+              res.json().then((resProblems) => {
-                setProblems(problems);
+                setProblems(resProblems);
               });
               break;
+            case 401:
+              setProblems([]);
+              break;
             default:
               break;
           }
@@ -60,18 +68,42 @@ function AdfOverview() {
   );
 
   useEffect(
-    () => { fetchProblems(); },
+    () => {
-    [],
+      // TODO: having the info if the user may have changed on the snackbar info
+      // is a bit lazy and unclean; be better!
+      if (isFirstRender.current || snackbarInfo?.potentialUserChange) {
+        isFirstRender.current = false;
+
+        fetchProblems();
+      }
+    },
+    [snackbarInfo?.potentialUserChange],
   );
 
-  // TODO set timeout for refetching if there are running problems
+  useEffect(
+    () => {
+      // if there is a running task, fetch problems again after 20 seconds
+      let timeout: ReturnType<typeof setTimeout>;
+      if (problems.some((p) => p.running_tasks.length > 0)) {
+        timeout = setTimeout(() => fetchProblems(), 20000);
+      }
+
+      return () => {
+        if (timeout) {
+          clearTimeout(timeout);
+        }
+      };
+    },
+    [problems],
+  );
 
   return (
     <>
       <Typography variant="h3" component="h1" align="center" gutterBottom>
         ADF-BDD.DEV
       </Typography>
-      {problems.length > 0 &&
+      {problems.length > 0
+        && (
         <Container sx={{ marginBottom: 4 }}>
           <Paper elevation={8} sx={{ padding: 2 }}>
             <Typography variant="h4" component="h2" align="center" gutterBottom>
@@ -95,7 +127,8 @@ function AdfOverview() {
                   {problems.map((problem) => (
                     <TableRow
                       key={problem.name}
-              sx={{ '&:last-child td, &:last-child th': { border: 0 } }}
+                      onClick={() => { navigate(`/${problem.name}`); }}
+                      sx={{ '&:last-child td, &:last-child th': { border: 0 }, cursor: 'pointer' }}
                     >
                       <TableCell component="th" scope="row">
                         {problem.name}
@@ -108,18 +141,18 @@ function AdfOverview() {
                   const color = acsWithGraphOptToColor(status, running);
                   const text = acsWithGraphOptToText(status, running);
 
-                  return <TableCell align="center"><Chip color={color} label={`${text} (${problem.parsing_used} Parsing)`} /></TableCell>;
+                  return <TableCell align="center"><Chip color={color} label={`${text} (${problem.parsing_used} Parsing)`} sx={{ cursor: 'inherit' }} /></TableCell>;
                 })()
               }
                       {
-                (['Ground', 'Complete', 'Stable', 'StableCountingA', 'StableCountingB', 'StableNogood'] as StrategyCamelCase[]).map((strategy) => {
+                  STRATEGIES_WITHOUT_PARSE.map((strategy) => {
                     const status = problem.acs_per_strategy[strategy.replace(/^([A-Z])/, (_, p1) => p1.toLowerCase()).replace(/([A-Z])/g, (_, p1) => `_${p1.toLowerCase()}`) as StrategySnakeCase];
                     const running = problem.running_tasks.some((t: Task) => t.type === 'Solve' && t.content === strategy);
 
                     const color = acsWithGraphOptToColor(status, running);
                     const text = acsWithGraphOptToText(status, running);
 
-                  return <TableCell align="center"><Chip color={color} label={text} /></TableCell>;
+                    return <TableCell key={strategy} align="center"><Chip color={color} label={text} sx={{ cursor: 'inherit' }} /></TableCell>;
                   })
               }
                     </TableRow>
@@ -129,7 +162,7 @@ function AdfOverview() {
             </TableContainer>
           </Paper>
         </Container>
-        }
+        )}
       <AdfNewForm fetchProblems={fetchProblems} />
     </>
   );

frontend/src/components/app.tsx

@@ -1,4 +1,4 @@
-import * as React from 'react';
+import React, { useState, useMemo } from 'react';
 
 import { createBrowserRouter, RouterProvider } from 'react-router-dom';
 
@@ -7,33 +7,18 @@ import {
   Alert,
   AlertColor,
   Backdrop,
-  Button,
   CircularProgress,
   CssBaseline,
-  Container,
-  FormControl,
-  FormControlLabel,
-  FormLabel,
-  Link,
-  Pagination,
-  Paper,
-  Radio,
-  RadioGroup,
   Snackbar,
-  Typography,
-  TextField,
   useMediaQuery,
 } from '@mui/material';
 
 import LoadingContext from './loading-context';
 import SnackbarContext from './snackbar-context';
-import GraphG6, { GraphProps } from './graph-g6';
 import Footer from './footer';
 import AdfOverview from './adf-overview';
 import AdfDetails from './adf-details';
 
-const { useState, useCallback, useMemo } = React;
-
 const browserRouter = createBrowserRouter([
   {
     path: '/',
@@ -49,8 +34,7 @@ function App() {
   const prefersDarkMode = useMediaQuery('(prefers-color-scheme: dark)');
 
   const theme = useMemo(
-    () =>
+    () => createTheme({
-      createTheme({
       palette: {
         mode: prefersDarkMode ? 'dark' : 'light',
       },
@@ -66,7 +50,10 @@ function App() {
     severity: AlertColor,
     potentialUserChange: boolean,
   } | undefined>();
-  const snackbarContext = useMemo(() => ({ status: snackbarInfo, setStatus: setSnackbarInfo }), [snackbarInfo, setSnackbarInfo]);
+  const snackbarContext = useMemo(
+    () => ({ status: snackbarInfo, setStatus: setSnackbarInfo }),
+    [snackbarInfo, setSnackbarInfo],
+  );
 
   return (
     <ThemeProvider theme={theme}>
@@ -96,113 +83,4 @@ function App() {
   );
 }
 
-// function BACKUP() {
-//   const [code, setCode] = useState(placeholder);
-//   const [parsing, setParsing] = useState(Parsing.Naive);
-//   const [graphs, setGraphs] = useState<GraphProps[]>();
-//   const [graphIndex, setGraphIndex] = useState(0);
-
-//   const submitHandler = useCallback(
-//     (strategy: Strategy) => {
-//       setLoading(true);
-
-//       fetch(`${process.env.NODE_ENV === 'development' ? '//localhost:8080' : ''}/solve`, {
-//         method: 'POST',
-//         headers: {
-//           'Content-Type': 'application/json',
-//         },
-//         body: JSON.stringify({ code, strategy, parsing }),
-//       })
-//         .then((res) => res.json())
-//         .then((data) => {
-//           setGraphs(data);
-//           setGraphIndex(0);
-//         })
-//         .finally(() => setLoading(false));
-//       // TODO: error handling
-//     },
-//     [code, parsing],
-//   );
-
-//   return (<>
-//           <Typography variant="h2" component="h1" align="center" gutterBottom>
-//             Solve your ADF Problem with OBDDs!
-//           </Typography>
-
-//           <Container>
-//             <TextField
-//               name="code"
-//               label="Put your code here:"
-//               helperText={(
-//                 <>
-//                   For more info on the syntax, have a
-//                   look
-//                   {' '}
-//                   <Link href="https://github.com/ellmau/adf-obdd" target="_blank" rel="noreferrer">here</Link>
-//                   .
-//                 </>
-//               )}
-//               multiline
-//               fullWidth
-//               variant="filled"
-//               value={code}
-//               onChange={(event) => { setCode(event.target.value); }}
-//             />
-//           </Container>
-//           <Container sx={{ marginTop: 2, marginBottom: 2 }}>
-//             <FormControl>
-//               <FormLabel id="parsing-radio-group">Parsing Strategy</FormLabel>
-//               <RadioGroup
-//                 row
-//                 aria-labelledby="parsing-radio-group"
-//                 name="parsing"
-//                 value={parsing}
-//                 onChange={(e) => setParsing(((e.target as HTMLInputElement).value) as Parsing)}
-//               >
-//                 <FormControlLabel value={Parsing.Naive} control={<Radio />} label="Naive" />
-//                 <FormControlLabel value={Parsing.Hybrid} control={<Radio />} label="Hybrid" />
-//               </RadioGroup>
-//             </FormControl>
-//             <br />
-//             <br />
-//             <Button variant="outlined" onClick={() => submitHandler(Strategy.ParseOnly)}>Parse only</Button>
-//             {' '}
-//             <Button variant="outlined" onClick={() => submitHandler(Strategy.Ground)}>Grounded Model</Button>
-//             {' '}
-//             <Button variant="outlined" onClick={() => submitHandler(Strategy.Complete)}>Complete Models</Button>
-//             {' '}
-//             <Button variant="outlined" onClick={() => submitHandler(Strategy.Stable)}>Stable Models (naive heuristics)</Button>
-//             {' '}
-//             <Button disabled={parsing !== Parsing.Hybrid} variant="outlined" onClick={() => submitHandler(Strategy.StableCountingA)}>Stable Models (counting heuristic A)</Button>
-//             {' '}
-//             <Button disabled={parsing !== Parsing.Hybrid} variant="outlined" onClick={() => submitHandler(Strategy.StableCountingB)}>Stable Models (counting heuristic B)</Button>
-//             {' '}
-//             <Button variant="outlined" onClick={() => submitHandler(Strategy.StableNogood)}>Stable Models using nogoods (Simple Heuristic)</Button>
-//           </Container>
-
-//           {graphs
-//           && (
-//           <Container sx={{ marginTop: 4, marginBottom: 4 }}>
-//             {graphs.length > 1
-//               && (
-//               <>
-//                 Models:
-//                 <br />
-//                 <Pagination variant="outlined" shape="rounded" count={graphs.length} page={graphIndex + 1} onChange={(e, value) => setGraphIndex(value - 1)} />
-//               </>
-//               )}
-//             {graphs.length > 0
-//               && (
-//               <Paper elevation={3} square sx={{ marginTop: 4, marginBottom: 4 }}>
-//                 <GraphG6 graph={graphs[graphIndex]} />
-//               </Paper>
-//               )}
-//             {graphs.length === 0
-//               && <>No models!</>}
-//           </Container>
-//           )}
-//           </>
-//     );
-// }
-
 export default App;

frontend/src/components/footer.tsx

@@ -11,7 +11,6 @@ import {
   DialogActions,
   DialogContent,
   DialogTitle,
-  Snackbar,
   TextField,
   Toolbar,
 } from '@mui/material';
@@ -78,7 +77,7 @@ function UserForm({ username: propUsername, formType, close }: UserFormProps) {
         .then((res) => {
           switch (res.status) {
             case 200:
-              close(`Action '${formType}' successful!`, 'success');
+              close(`Action '${del ? 'Delete' : formType}' successful!`, 'success');
               break;
             default:
               setError(true);
@@ -114,13 +113,14 @@ function UserForm({ username: propUsername, formType, close }: UserFormProps) {
       </DialogContent>
       <DialogActions>
         <Button type="button" onClick={() => close()}>Cancel</Button>
-        <Button type="submit">{formType}</Button>
+        <Button type="submit" variant="contained" color="success">{formType}</Button>
         {formType === UserFormType.Update
         // TODO: add another confirm dialog here
           && (
           <Button
             type="button"
             variant="outlined"
+            color="error"
             onClick={() => {
               // eslint-disable-next-line no-alert
               if (window.confirm('Are you sure that you want to delete your account?')) {
@@ -157,7 +157,7 @@ function Footer() {
       .then((res) => {
         switch (res.status) {
           case 200:
-            setSnackbarInfo({ message: 'Logout successful!', severity: 'success', potentialUserChange: false });
+            setSnackbarInfo({ message: 'Logout successful!', severity: 'success', potentialUserChange: true });
             setUsername(undefined);
             break;
           default:
@@ -168,7 +168,8 @@ function Footer() {
   }, [setSnackbarInfo]);
 
   useEffect(() => {
-    // TODO: having the info if the user may have changed on the snackbar info is a bit lazy and unclean; be better!
+    // TODO: having the info if the user may have changed on the snackbar info
+    // is a bit lazy and unclean; be better!
     if (isFirstRender.current || snackbarInfo?.potentialUserChange) {
       isFirstRender.current = false;
 
@@ -224,7 +225,9 @@ function Footer() {
           formType={dialogTypeOpen}
           close={(message, severity) => {
             setDialogTypeOpen(null);
-            setSnackbarInfo((!!message && !!severity) ? { message, severity, potentialUserChange: true } : undefined);
+            setSnackbarInfo((!!message && !!severity)
+              ? { message, severity, potentialUserChange: true }
+              : undefined);
           }}
           username={dialogTypeOpen === UserFormType.Update ? username : undefined}
         />

frontend/src/components/graph-g6.tsx

@@ -183,7 +183,7 @@ function GraphG6(props: Props) {
         graphRef.current = new Graph({
           container: ref.current!,
           width: 1200,
-          height: 600,
+          height: 400,
           fitView: true,
           modes: {
             default: ['drag-canvas', 'zoom-canvas', 'drag-node'],
@@ -368,7 +368,9 @@ function GraphG6(props: Props) {
       <div style={{ padding: 4 }}>
         <span style={{ color: '#ed6c02', marginRight: 8 }}>lo edge (condition is false)</span>
         {' '}
-        <span style={{ color: '#1976d2' }}>hi edge (condition is true)</span>
+        <span style={{ color: '#1976d2', marginRight: 8 }}>hi edge (condition is true)</span>
+        {' '}
+        Click nodes to hightlight paths! (You can also drag and zoom.)
       </div>
     </>
   );

server/docker-compose.yml

@@ -0,0 +1,24 @@
+version: '3.1'
+
+services:
+
+  mongo:
+    image: mongo
+    restart: always
+    ports:
+      - 27017:27017
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: root
+      MONGO_INITDB_ROOT_PASSWORD: example
+    volumes:
+      - ./mongodb-data:/data/db
+
+  mongo-express:
+    image: mongo-express
+    restart: always
+    ports:
+      - 8081:8081
+    environment:
+      ME_CONFIG_MONGODB_ADMINUSERNAME: root
+      ME_CONFIG_MONGODB_ADMINPASSWORD: example
+      ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/

server/src/adf.rs

@@ -28,13 +28,13 @@ use crate::user::{username_exists, User};
 type Ac = Vec<Term>;
 type AcDb = Vec<String>;
 
-#[derive(Copy, Clone, Deserialize, Serialize)]
+#[derive(Copy, Clone, Debug, Deserialize, Serialize)]
 pub(crate) enum Parsing {
     Naive,
     Hybrid,
 }
 
-#[derive(Copy, Clone, PartialEq, Eq, Hash, Deserialize, Serialize)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
 pub(crate) enum Strategy {
     Ground,
     Complete,
@@ -209,6 +209,7 @@ impl TryFrom<AddAdfProblemBodyMultipart> for AddAdfProblemBodyPlain {
                 .file
                 .map(|f| std::io::read_to_string(f.file).expect("TempFile should be readable"))
                 .or_else(|| source.code.map(|c| c.into_inner()))
+                .and_then(|code| (!code.is_empty()).then_some(code))
                 .ok_or("Either a file or the code has to be provided.")?,
             parsing: source.parsing.into_inner(),
         })
@@ -388,9 +389,10 @@ async fn add_adf_problem(
             std::thread::sleep(Duration::from_secs(20));
 
             let parser = AdfParser::default();
-            parser.parse()(&adf_problem_input.code)
+            let parse_result = parser.parse()(&adf_problem_input.code)
-                .map_err(|_| "ADF could not be parsed, double check your input!")?;
+                .map_err(|_| "ADF could not be parsed, double check your input!");
 
+            let result = parse_result.map(|_| {
                 let lib_adf = match adf_problem_input.parsing {
                     Parsing::Naive => Adf::from_parser(&parser),
                     Parsing::Hybrid => {
@@ -404,13 +406,16 @@ async fn add_adf_problem(
                     graph: lib_adf.into_double_labeled_graph(None),
                 };
 
+                (SimplifiedAdf::from_lib_adf(lib_adf), ac_and_graph)
+            });
+
             app_state
                 .currently_running
                 .lock()
                 .unwrap()
                 .remove(&running_info);
 
-            Ok::<_, &str>((SimplifiedAdf::from_lib_adf(lib_adf), ac_and_graph))
+            result
         }),
     );
 
@@ -510,24 +515,30 @@ async fn solve_adf_problem(
         Strategy::StableNogood => adf_problem.acs_per_strategy.stable_nogood.is_some(),
     };
 
-    // NOTE: we could also return the result here instead of throwing an error but I think the canonical way should just be to call the get endpoint for the problem.
-    if has_been_solved {
-        return HttpResponse::Conflict()
-            .body("The ADF problem has already been solved with this strategy. You can just get the solution from the problem data directly.");
-    }
-
     let username_clone = username.clone();
     let problem_name_clone = problem_name.clone();
 
-    let acs_and_graphs_fut = timeout(
-        COMPUTE_TIME,
-        spawn_blocking(move || {
     let running_info = RunningInfo {
         username: username_clone,
         adf_name: problem_name_clone,
         task: Task::Solve(adf_problem_input.strategy),
     };
 
+    // NOTE: we could also return the result here instead of throwing an error but I think the canonical way should just be to call the get endpoint for the problem.
+    if has_been_solved
+        || app_state
+            .currently_running
+            .lock()
+            .unwrap()
+            .contains(&running_info)
+    {
+        return HttpResponse::Conflict()
+            .body("The ADF problem has already been solved with this strategy. You can just get the solution from the problem data directly.");
+    }
+
+    let acs_and_graphs_fut = timeout(
+        COMPUTE_TIME,
+        spawn_blocking(move || {
             app_state
                 .currently_running
                 .lock()

server/src/config.rs

@@ -17,14 +17,14 @@ pub(crate) const DB_NAME: &str = "adf-obdd";
 pub(crate) const USER_COLL: &str = "users";
 pub(crate) const ADF_COLL: &str = "adf-problems";
 
-#[derive(Copy, Clone, PartialEq, Eq, Hash, Serialize)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize)]
 #[serde(tag = "type", content = "content")]
 pub(crate) enum Task {
     Parse,
     Solve(Strategy),
 }
 
-#[derive(Clone, PartialEq, Eq, Hash)]
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
 pub(crate) struct RunningInfo {
     pub(crate) username: String,
     pub(crate) adf_name: String,

server/src/main.rs

@@ -43,6 +43,12 @@ async fn main() -> std::io::Result<()> {
     // cookie secret ket
     let secret_key = Key::generate();
 
+    // needs to be set outside of httpserver closure to only create it once!
+    let app_data = web::Data::new(AppState {
+        mongodb_client: client.clone(),
+        currently_running: Mutex::new(HashSet::new()),
+    });
+
     HttpServer::new(move || {
         let app = App::new();
 
@@ -62,10 +68,7 @@ async fn main() -> std::io::Result<()> {
         #[cfg(not(feature = "cors_for_local_development"))]
         let cookie_secure = true;
 
-        app.app_data(web::Data::new(AppState {
+        app.app_data(app_data.clone())
-            mongodb_client: client.clone(),
-            currently_running: Mutex::new(HashSet::new()),
-        }))
             .wrap(IdentityMiddleware::default())
             .wrap(
                 SessionMiddleware::builder(CookieSessionStore::default(), secret_key.clone())