2021-11-23 11:48:02 +01:00

673 lines
19 KiB
JavaScript

import React, { Component } from "react";
import PropTypes from "prop-types";
import { connect } from "react-redux";
import {
checkError,
readJSON,
jsonString,
progress,
tutorialId,
resetTutorial as resetTutorialBuilder,
} from "../../../actions/tutorialBuilderActions";
import {
getTutorials,
resetTutorial,
deleteTutorial,
tutorialProgress,
} from "../../../actions/tutorialActions";
import { clearMessages } from "../../../actions/messageActions";
import axios from "axios";
import { withRouter } from "react-router-dom";
import Breadcrumbs from "../../Breadcrumbs";
import Textfield from "./Textfield";
import Step from "./Step";
import Dialog from "../../Dialog";
import Snackbar from "../../Snackbar";
import { withStyles } from "@material-ui/core/styles";
import Button from "@material-ui/core/Button";
import Backdrop from "@material-ui/core/Backdrop";
import CircularProgress from "@material-ui/core/CircularProgress";
import Divider from "@material-ui/core/Divider";
import FormHelperText from "@material-ui/core/FormHelperText";
import Radio from "@material-ui/core/Radio";
import RadioGroup from "@material-ui/core/RadioGroup";
import FormControlLabel from "@material-ui/core/FormControlLabel";
import InputLabel from "@material-ui/core/InputLabel";
import MenuItem from "@material-ui/core/MenuItem";
import FormControl from "@material-ui/core/FormControl";
import Select from "@material-ui/core/Select";
import * as Blockly from "blockly";
const styles = (theme) => ({
backdrop: {
zIndex: theme.zIndex.drawer + 1,
color: "#fff",
},
errorColor: {
color: theme.palette.error.dark,
},
errorButton: {
marginTop: "5px",
height: "40px",
backgroundColor: theme.palette.error.dark,
"&:hover": {
backgroundColor: theme.palette.error.dark,
},
},
});
class Builder extends Component {
constructor(props) {
super(props);
this.state = {
tutorial: "new",
open: false,
title: "",
content: "",
string: false,
snackbar: false,
key: "",
message: "",
};
this.inputRef = React.createRef();
}
componentDidMount() {
this.props.tutorialProgress();
// retrieve tutorials only if a potential user is loaded - authentication
// is finished (success or failed)
if (!this.props.authProgress) {
this.props.getTutorials();
}
}
componentDidUpdate(props, state) {
if (
props.authProgress !== this.props.authProgress &&
!this.props.authProgress
) {
// authentication is completed
this.props.getTutorials();
}
if (props.message !== this.props.message) {
if (this.props.message.id === "GET_TUTORIALS_FAIL") {
// alert(this.props.message.msg);
this.props.clearMessages();
} else if (this.props.message.id === "TUTORIAL_DELETE_SUCCESS") {
this.onChange("new");
this.setState({
snackbar: true,
key: Date.now(),
message: `Das Tutorial wurde erfolgreich gelöscht.`,
type: "success",
});
} else if (this.props.message.id === "TUTORIAL_DELETE_FAIL") {
this.setState({
snackbar: true,
key: Date.now(),
message: `Fehler beim Löschen des Tutorials. Versuche es noch einmal.`,
type: "error",
});
}
}
}
componentWillUnmount() {
this.resetFull();
this.props.resetTutorial();
if (this.props.message.msg) {
this.props.clearMessages();
}
}
uploadJsonFile = (jsonFile) => {
this.props.progress(true);
if (jsonFile.type !== "application/json") {
this.props.progress(false);
this.setState({
open: true,
string: false,
title: "Unzulässiger Dateityp",
content:
"Die übergebene Datei entspricht nicht dem geforderten Format. Es sind nur JSON-Dateien zulässig.",
});
} else {
var reader = new FileReader();
reader.readAsText(jsonFile);
reader.onloadend = () => {
this.readJson(reader.result, true);
};
}
};
uploadJsonString = () => {
this.setState({
open: true,
string: true,
title: "JSON-String einfügen",
content: "",
});
};
readJson = (jsonString, isFile) => {
try {
var result = JSON.parse(jsonString);
if (!this.checkSteps(result.steps)) {
result.steps = [{}];
}
this.props.readJSON(result);
this.setState({
snackbar: true,
key: Date.now(),
message: `${
isFile ? "Die übergebene JSON-Datei" : "Der übergebene JSON-String"
} wurde erfolgreich übernommen.`,
type: "success",
});
} catch (err) {
this.props.progress(false);
this.props.jsonString("");
this.setState({
open: true,
string: false,
title: "Ungültiges JSON-Format",
content: `${
isFile ? "Die übergebene Datei" : "Der übergebene String"
} enthält nicht valides JSON. Bitte überprüfe ${
isFile ? "die JSON-Datei" : "den JSON-String"
} und versuche es erneut.`,
});
}
};
checkSteps = (steps) => {
if (!(steps && steps.length > 0)) {
return false;
}
return true;
};
toggle = () => {
this.setState({ open: !this.state });
};
onChange = (value) => {
this.props.resetTutorialBuilder();
this.props.tutorialId("");
this.setState({ tutorial: value });
};
onChangeId = (value) => {
this.props.tutorialId(value);
if (this.state.tutorial === "change") {
this.props.progress(true);
var tutorial = this.props.tutorials.filter(
(tutorial) => tutorial._id === value
)[0];
this.props.readJSON(tutorial);
this.setState({
snackbar: true,
key: Date.now(),
message: `Das ausgewählte Tutorial "${tutorial.title}" wurde erfolgreich übernommen.`,
type: "success",
});
}
};
resetFull = () => {
this.props.resetTutorialBuilder();
this.setState({
snackbar: true,
key: Date.now(),
message: `Das Tutorial wurde erfolgreich zurückgesetzt.`,
type: "success",
});
window.scrollTo(0, 0);
};
resetTutorial = () => {
var tutorial = this.props.tutorials.filter(
(tutorial) => tutorial._id === this.props.id
)[0];
this.props.readJSON(tutorial);
this.setState({
snackbar: true,
key: Date.now(),
message: `Das Tutorial ${tutorial.title} wurde erfolgreich auf den ursprünglichen Stand zurückgesetzt.`,
type: "success",
});
window.scrollTo(0, 0);
};
submit = () => {
var isError = this.props.checkError();
if (isError) {
this.setState({
snackbar: true,
key: Date.now(),
message: `Die Angaben für das Tutorial sind nicht vollständig.`,
type: "error",
});
window.scrollTo(0, 0);
return false;
} else {
// export steps without attribute 'url'
var steps = this.props.steps;
var newTutorial = new FormData();
newTutorial.append("title", this.props.title);
steps.forEach((step, i) => {
if (step._id) {
newTutorial.append(`steps[${i}][_id]`, step._id);
}
newTutorial.append(`steps[${i}][type]`, step.type);
newTutorial.append(`steps[${i}][headline]`, step.headline);
newTutorial.append(`steps[${i}][text]`, step.text);
if (i === 0 && step.type === "instruction") {
if (step.requirements) {
// optional
step.requirements.forEach((requirement, j) => {
newTutorial.append(
`steps[${i}][requirements][${j}]`,
requirement
);
});
}
step.hardware.forEach((hardware, j) => {
newTutorial.append(`steps[${i}][hardware][${j}]`, hardware);
});
}
if (step.xml) {
// optional
newTutorial.append(`steps[${i}][xml]`, step.xml);
}
if (step.media) {
// optional
if (step.media.youtube) {
newTutorial.append(
`steps[${i}][media][youtube]`,
step.media.youtube
);
}
if (step.media.picture) {
newTutorial.append(
`steps[${i}][media][picture]`,
step.media.picture
);
}
}
});
return newTutorial;
}
};
submitNew = () => {
var newTutorial = this.submit();
if (newTutorial) {
const config = {
success: (res) => {
var tutorial = res.data.tutorial;
this.props.history.push(`/tutorial/${tutorial._id}`);
},
error: (err) => {
this.setState({
snackbar: true,
key: Date.now(),
message: `Fehler beim Erstellen des Tutorials. Versuche es noch einmal.`,
type: "error",
});
window.scrollTo(0, 0);
},
};
axios
.post(
`${process.env.REACT_APP_BLOCKLY_API}/tutorial/`,
newTutorial,
config
)
.then((res) => {
res.config.success(res);
})
.catch((err) => {
err.config.error(err);
});
}
};
submitUpdate = () => {
var updatedTutorial = this.submit();
if (updatedTutorial) {
const config = {
success: (res) => {
var tutorial = res.data.tutorial;
this.props.history.push(`/tutorial/${tutorial._id}`);
},
error: (err) => {
this.setState({
snackbar: true,
key: Date.now(),
message: `Fehler beim Ändern des Tutorials. Versuche es noch einmal.`,
type: "error",
});
window.scrollTo(0, 0);
},
};
axios
.put(
`${process.env.REACT_APP_BLOCKLY_API}/tutorial/${this.props.id}`,
updatedTutorial,
config
)
.then((res) => {
res.config.success(res);
})
.catch((err) => {
err.config.error(err);
});
}
};
render() {
var filteredTutorials = this.props.tutorials.filter(
(tutorial) => tutorial.creator === this.props.user.email
);
return (
<div>
<Breadcrumbs
content={[
{ link: "/tutorial", title: "Tutorial" },
{ link: "/tutorial/builder", title: "Builder" },
]}
/>
<h1>Tutorial-Builder</h1>
<RadioGroup
row
value={this.state.tutorial}
onChange={(e) => this.onChange(e.target.value)}
>
<FormControlLabel
style={{ color: "black" }}
value="new"
control={<Radio color="primary" />}
label={Blockly.Msg.builder_createNew}
labelPlacement="end"
/>
{filteredTutorials.length > 0 ? (
<div>
<FormControlLabel
style={{ color: "black" }}
disabled={this.props.index === 0}
value="change"
control={<Radio color="primary" />}
label={Blockly.Msg.builder_changeExisting}
labelPlacement="end"
/>
<FormControlLabel
style={{ color: "black" }}
disabled={this.props.index === 0}
value="delete"
control={<Radio color="primary" />}
label={Blockly.Msg.builder_deleteExisting}
labelPlacement="end"
/>
</div>
) : null}
</RadioGroup>
<Divider variant="fullWidth" style={{ margin: "10px 0 15px 0" }} />
{this.state.tutorial === "new" ? (
/*upload JSON*/
<div ref={this.inputRef}>
<input
style={{ display: "none" }}
accept="application/json"
onChange={(e) => {
this.uploadJsonFile(e.target.files[0]);
}}
id="open-json"
type="file"
/>
<label htmlFor="open-json">
<Button
component="span"
style={{ marginRight: "10px", marginBottom: "10px" }}
variant="contained"
color="primary"
>
Datei laden
</Button>
</label>
<Button
style={{ marginRight: "10px", marginBottom: "10px" }}
variant="contained"
color="primary"
onClick={() => this.uploadJsonString()}
>
String laden
</Button>
</div>
) : (
<FormControl variant="outlined" style={{ width: "100%" }}>
<InputLabel id="select-outlined-label">Tutorial</InputLabel>
<Select
color="primary"
labelId="select-outlined-label"
value={this.props.id}
onChange={(e) => this.onChangeId(e.target.value)}
label="Tutorial"
>
{filteredTutorials.map((tutorial) => (
<MenuItem value={tutorial._id}>{tutorial.title}</MenuItem>
))}
</Select>
</FormControl>
)}
<Divider variant="fullWidth" style={{ margin: "10px 0 15px 0" }} />
{this.state.tutorial === "new" ||
(this.state.tutorial === "change" && this.props.id !== "") ? (
/*Tutorial-Builder-Form*/
<div>
{this.props.error.type ? (
<FormHelperText
style={{ lineHeight: "initial" }}
className={this.props.classes.errorColor}
>{`Ein Tutorial muss mindestens jeweils eine Instruktion und eine Aufgabe enthalten.`}</FormHelperText>
) : null}
{/* <Id error={this.props.error.id} value={this.props.id} /> */}
<Textfield
value={this.props.title}
property={"title"}
label={"Titel"}
error={this.props.error.title}
/>
{this.props.steps.map((step, i) => (
<Step step={step} index={i} key={i} />
))}
{/*submit or reset*/}
{this.state.tutorial !== "delete" ? (
<div>
<Divider
variant="fullWidth"
style={{ margin: "30px 0 10px 0" }}
/>
{this.state.tutorial === "new" ? (
<div>
<Button
style={{ marginRight: "10px", marginTop: "10px" }}
variant="contained"
color="primary"
onClick={() => this.submitNew()}
>
Tutorial erstellen
</Button>
<Button
style={{ marginTop: "10px" }}
variant="contained"
onClick={() => this.resetFull()}
>
Zurücksetzen
</Button>
</div>
) : (
<div>
<Button
style={{ marginRight: "10px", marginTop: "10px" }}
variant="contained"
color="primary"
onClick={() => this.submitUpdate()}
>
Tutorial ändern
</Button>
<Button
style={{ marginTop: "10px" }}
variant="contained"
onClick={() => this.resetTutorial()}
>
Zurücksetzen
</Button>
</div>
)}
</div>
) : null}
<Backdrop
className={this.props.classes.backdrop}
open={this.props.isProgress}
>
<CircularProgress color="inherit" />
</Backdrop>
</div>
) : null}
{this.state.tutorial === "delete" && this.props.id !== "" ? (
<Button
className={this.props.classes.errorButton}
variant="contained"
color="primary"
onClick={() => this.props.deleteTutorial()}
>
Tutorial löschen
</Button>
) : null}
<Dialog
open={this.state.open}
maxWidth={this.state.string ? "md" : "sm"}
fullWidth={this.state.string}
title={this.state.title}
content={this.state.content}
onClose={this.toggle}
onClick={this.toggle}
button={"Schließen"}
actions={
this.state.string ? (
<div>
<Button
disabled={this.props.error.json || this.props.json === ""}
variant="contained"
onClick={() => {
this.toggle();
this.props.progress(true);
this.readJson(this.props.json, false);
}}
color="primary"
>
Bestätigen
</Button>
<Button
onClick={() => {
this.toggle();
this.props.jsonString("");
}}
color="primary"
>
Abbrechen
</Button>
</div>
) : null
}
>
{this.state.string ? (
<Textfield
value={this.props.json}
property={"json"}
label={"JSON"}
multiline
error={this.props.error.json}
/>
) : null}
</Dialog>
<Snackbar
open={this.state.snackbar}
message={this.state.message}
type={this.state.type}
key={this.state.key}
/>
</div>
);
}
}
Builder.propTypes = {
getTutorials: PropTypes.func.isRequired,
resetTutorial: PropTypes.func.isRequired,
clearMessages: PropTypes.func.isRequired,
tutorialId: PropTypes.func.isRequired,
checkError: PropTypes.func.isRequired,
readJSON: PropTypes.func.isRequired,
jsonString: PropTypes.func.isRequired,
progress: PropTypes.func.isRequired,
deleteTutorial: PropTypes.func.isRequired,
resetTutorialBuilder: PropTypes.func.isRequired,
tutorialProgress: PropTypes.func.isRequired,
title: PropTypes.string.isRequired,
id: PropTypes.string.isRequired,
steps: PropTypes.array.isRequired,
change: PropTypes.number.isRequired,
error: PropTypes.object.isRequired,
json: PropTypes.string.isRequired,
isProgress: PropTypes.bool.isRequired,
tutorials: PropTypes.array.isRequired,
message: PropTypes.object.isRequired,
user: PropTypes.object.isRequired,
authProgress: PropTypes.bool.isRequired,
};
const mapStateToProps = (state) => ({
title: state.builder.title,
id: state.builder.id,
steps: state.builder.steps,
change: state.builder.change,
error: state.builder.error,
json: state.builder.json,
isProgress: state.builder.progress,
tutorials: state.tutorial.tutorials,
message: state.message,
user: state.auth.user,
authProgress: state.auth.progress,
});
export default connect(mapStateToProps, {
checkError,
readJSON,
jsonString,
progress,
tutorialId,
resetTutorialBuilder,
getTutorials,
resetTutorial,
tutorialProgress,
clearMessages,
deleteTutorial,
})(withStyles(styles, { withTheme: true })(withRouter(Builder)));