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Config installer #6

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a42362e
Added installer hook to create config file
TobyWilkes May 29, 2018
1f1217f
Merge branch 'master' of github.com:TobyWilkes/botty
TobyWilkes May 29, 2018
a2f3036
Merge branch 'dev' of https://github.com/nihongo-to-eigo/botty
TobyWilkes May 29, 2018
0785187
Merge branch 'dev' of https://github.com/nihongo-to-eigo/botty
TobyWilkes May 29, 2018
67c68d1
Merge branch 'config-installer' of github.com:TobyWilkes/botty into c…
TobyWilkes May 29, 2018
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3 changes: 2 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@
},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
"test": "echo \"Error: no test specified\" && exit 1",
"postinstall": "node postinstall.js"
},
"repository": {
"type": "git",
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115 changes: 115 additions & 0 deletions postinstall.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
const fs = require('fs');
const readline = require('readline');

let rl = readline.createInterface(process.stdin, process.stdout);

// 'key in output object', 'property description', 'default value', 'multiple values OK'
let mainTemplate = [
['prefix', 'Command Prefix', '[', false],
['playing', 'Bot Status', 'Try %prefixhelp ;)', false],
['description', 'Bot Description', '<bot description>', false],
['administrators', 'Admin User ID', '<user id>', true],
['log_channel', 'Log Channel ID', '<log channel id>', false],
['voice_channel', 'Voice Channel ID', '<voice channel id>', false],
['voice_channel_chat', 'Voice Chat Channel ID', '<voice chat id>', false]
];

let apiTemplate = [
['discord_token', 'Discord Bot Token', '<bot token>', false]
];

let fileOutput = {
api : {}
}

if(fs.exists('./config.json'))
return;

console.log('---- Install Successful ---');
console.log('Couldn\'t find config file. Create one now?');

// Ask if the user wants to create a config.
rl.on('line', (input) => {
if(input.toLowerCase() == "y")
startInputWizard();
else
process.exit(0);
});
rl.setPrompt('[y/n] > ');
rl.prompt();


function startInputWizard() {
rl.removeAllListeners("line");

promptInputFromTemplate(mainTemplate, fileOutput, () => {
promptInputFromTemplate(apiTemplate, fileOutput.api, () => {
console.log('Generated configuration!');
writeConfigToFile(fileOutput);
});
});
}

function writeConfigToFile(json) {
fs.writeFile("./config.json", JSON.stringify(json, null, 2), function(err) {
if(err) {
return console.log(err);
}

console.log("Config was saved!");
process.exit(0);
});
}

function promptInputFromTemplate(configTemplate, configOutput, onFinish, k = null) {

// Setup input listeners on first call.
if(k === null) {
k = 0;
rl.on('line', mapConfig.bind(this))
.on('close',function(){
process.exit(0);
});
}

// Iterate each template entry and write it into configOutput
if(k < configTemplate.length) {
let i = configTemplate[k];
let multipleInputsOkWarning = i[3] ? '(Input empty string to finish)' : '';

rl.setPrompt(`${i[1]} ${multipleInputsOkWarning} | '${i[2]}' > `);
rl.prompt();
} else {
rl.removeAllListeners('line');
onFinish();
}

// This is called on each input from the user, maps input to output object.
function mapConfig(line) {
let c = configTemplate[k];
let value = (line === '') ? c[2] : line; // use default if blank.

// Are multiple values are ok?
if(c[3] === true) {
if(configOutput[c[0]] === undefined)
configOutput[c[0]] = [];

// Only write default value to array if its the first and only item.
if(configOutput[c[0]].length === 0 || line !== '')
configOutput[c[0]].push(value);

} else {
configOutput[c[0]] = value;
}

// Only continue to next if multiple entries not allowed or if user entered empty line
if(c[3] === false || line === '')
k++;

promptInputFromTemplate(configTemplate, configOutput, onFinish, k);
}
}