seatplan saving and loading for admin & user

src/server/admin/adminAPIRoutes.js

@@ -0,0 +1,43 @@
+/*
+*				libreevent - adminAPIRoutes.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const posth = require( './api/postHandler.js' );
+const geth = require( './api/getHandler.js' );
+const postHandler = new posth();
+const getHandler = new geth();
+const path = require( 'path' );
+
+// settings is missing in arguments which shouldn't pose any problem
+module.exports = ( app ) => {
+    // Add specific routes here to have them be checked first to not get general handling
+
+    app.get( '/admin/getAPI/:call', ( req, res ) => {
+        if ( req.session.loggedInAdmin ) {
+            getHandler.handleCall( req.params.call, req.query ).then( data => {
+                res.send( data );
+            } ).catch( error => {
+                res.status( 500 ).send( error );
+            } );
+        } else {
+            res.status( 403 ).sendFile( path.join( __dirname + '/../ui/' + ( req.query.lang ?? 'en' ) + '/errors/403.html' ) );
+        }
+    } );
+
+    app.post( '/admin/API/:call', ( req, res ) => {
+        if ( req.session.loggedInAdmin ) {
+            postHandler.handleCall( req.params.call, req.body, req.query.lang ).then( data => {
+                res.send( data );
+            } ).catch( error => {
+                res.status( 500 ).send( error );
+            } );
+        } else {
+            res.status( 403 ).sendFile( path.join( __dirname + '/../ui/' + ( req.query.lang ?? 'en' ) + '/errors/403.html' ) );
+        }
+    } );
+};

src/server/admin/api/getHandler.js

@@ -0,0 +1,48 @@
+/*
+*				libreevent - getHandler.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const db = require( '../../backend/db/db.js' );
+
+class GETHandler {
+    constructor () {
+
+    }
+
+    handleCall ( call, query ) {
+        return new Promise( ( resolve, reject ) => {
+            if ( call === 'getSeatplan' ) {
+                db.getJSONDataSimple( 'seatplan', query.location ).then( data => {
+                    if ( Object.keys( data ).length > 0 ) {
+                        resolve( data[ 'save' ] );
+                    } else {
+                        reject( 'No data found for this location' );
+                    }
+                } ).catch( error => {
+                    reject( error );
+                } );
+            } else if ( call === 'getSeatplanDraft' ) {
+                db.getJSONDataSimple( 'seatplan', query.location ).then( data => {
+                    if ( Object.keys( data ).length > 0 ) {
+                        if ( Object.keys( data[ 'draft' ] ).length > 0 ) {
+                            resolve( data[ 'draft' ] );
+                        } else {
+                            resolve( data[ 'save' ] );
+                        }
+                    } else {
+                        reject( 'No data found for this location' );
+                    }
+                } ).catch( error => {
+                    reject( error );
+                } );
+            }
+        } );
+    }
+}
+
+module.exports = GETHandler;

src/server/admin/api/postHandler.js

@@ -0,0 +1,41 @@
+/*
+*				libreevent - postHandler.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const db = require( '../../backend/db/db.js' );
+
+class POSTHandler {
+    constructor () {
+
+    }
+
+    handleCall ( call, data, lang ) {
+        return new Promise( ( resolve, reject ) => {
+            console.log( lang );
+            if ( call === 'saveSeatplanDraft' ) {
+                db.getJSONDataSimple( 'seatplan', data.location ).then( res => {
+                    let dat = res;
+                    dat[ 'draft' ] = data.data;
+                    db.writeJSONDataSimple( 'seatplan', data.location, dat ).then( resp => { 
+                        resolve( resp );
+                    } ).catch( error => {
+                        reject( error );
+                    } );
+                } );
+            } else if ( call === 'saveSeatplan' ) {
+                db.writeJSONDataSimple( 'seatplan', data.location, { 'draft': {}, 'save': data.data } ).then( resp => { 
+                    resolve( resp );
+                } ).catch( error => {
+                    reject( error );
+                } );
+            }
+        } );
+    }
+}
+
+module.exports = POSTHandler;

src/server/app.js

@@ -48,6 +48,8 @@ let file = path.join( __dirname + '/../webapp/main/dist/index.html' );
 
 if ( settings.init ) {
     require( './admin/adminRoutes.js' )( app, settings ); // admin routes
+    require( './admin/adminAPIRoutes.js' )( app, settings ); // admin api routes
+    require( './backend/userAPIRoutes.js' )( app, settings ); // admin api routes
     require( './backend/userRoutes.js' )( app, settings ); // user routes
 } else {
     require( './setup/setupRoutes.js' )( app, settings ); // setup routes

src/server/backend/api/getHandler.js

@@ -0,0 +1,34 @@
+/*
+*				libreevent - getHandler.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const db = require( '../db/db.js' );
+
+class GETHandler {
+    constructor () {
+
+    }
+
+    handleCall ( call, query ) {
+        return new Promise( ( resolve, reject ) => {
+            if ( call === 'getSeatplan' ) {
+                db.getJSONDataSimple( 'seatplan', query.location ).then( data => {
+                    if ( Object.keys( data ).length > 0 ) {
+                        resolve( data[ 'save' ] );
+                    } else {
+                        reject( 'No data found for this location' );
+                    }
+                } ).catch( error => {
+                    reject( error );
+                } );
+            }
+        } );
+    }
+}
+
+module.exports = GETHandler;

src/server/backend/api/postHandler.js

@@ -0,0 +1,41 @@
+/*
+*				libreevent - postHandler.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const db = require( '../db/db.js' );
+
+class POSTHandler {
+    constructor () {
+
+    }
+
+    handleCall ( call, data, lang ) {
+        return new Promise( ( resolve, reject ) => {
+            console.log( lang );
+            if ( call === 'saveSeatplanDraft' ) {
+                db.getJSONDataSimple( 'seatplan', data.location ).then( res => {
+                    let dat = res;
+                    dat[ 'draft' ] = data.data;
+                    db.writeJSONDataSimple( 'seatplan', data.location, dat ).then( resp => { 
+                        resolve( resp );
+                    } ).catch( error => {
+                        reject( error );
+                    } );
+                } );
+            } else if ( call === 'saveSeatplan' ) {
+                db.writeJSONDataSimple( 'seatplan', data.location, { 'draft': {}, 'save': data.data } ).then( resp => { 
+                    resolve( resp );
+                } ).catch( error => {
+                    reject( error );
+                } );
+            }
+        } );
+    }
+}
+
+module.exports = POSTHandler;

src/server/backend/db/data/seatplan.json

@@ -0,0 +1 @@
+{"test2":{"draft":{},"save":{"seatInfo":{"data":{"1":{"0":22},"2":{"0":9},"3":{"0":9}},"count":0},"data":{"1":{"x":299.02,"y":17.157,"h":564.951,"w":731.618,"active":false,"draggable":true,"resizable":true,"id":1,"origin":1,"shape":"rectangular","type":"seat","startingRow":1,"seatNumberingPosition":1,"sector":"A","text":{"text":"TestText","textSize":20,"colour":"#20FFFF"},"numberingDirection":"left","category":"1"},"2":{"x":359.069,"y":661.765,"h":121.324,"w":604.167,"active":false,"draggable":true,"resizable":true,"id":2,"origin":3,"shape":"rectangular","type":"stage","startingRow":1,"seatNumberingPosition":1,"sector":"A","text":{"text":"TestText","textSize":20,"colour":"#20FFFF"},"ticketCount":1,"numberingDirection":"left","category":"1"},"3":{"x":519.608,"y":671.569,"h":83.333,"w":306.373,"active":false,"draggable":true,"resizable":true,"id":3,"origin":1,"shape":"rectangular","type":"text","startingRow":1,"seatNumberingPosition":2,"sector":"A","text":{"text":"Stage","textSize":25,"colour":"#2160ff"},"ticketCount":1,"numberingDirection":"left","category":"1"}}}},"test":{"draft":{},"save":{"seatInfo":{"data":{"1":{"0":22}},"count":0},"data":{"1":{"x":122.549,"y":122.549,"h":371.324,"w":735.294,"active":false,"draggable":true,"resizable":true,"id":1,"origin":1,"shape":"rectangular","type":"seat","startingRow":1,"seatNumberingPosition":1,"sector":"A","text":{"text":"TestText","textSize":20,"colour":"#20FFFF"},"numberingDirection":"left","category":"1"}}}}}

src/server/backend/db/db.js

@@ -26,7 +26,7 @@ if ( settings.db === 'mysql' ) {
     dbh.connect();
 }
 
-module.exports.getDataSimple = function getData ( db, column, searchQuery ) {
+module.exports.getDataSimple = ( db, column, searchQuery ) => {
     return new Promise( resolve => {
         dbh.query( { 'command': 'getFilteredData', 'property': column, 'searchQuery': searchQuery }, dbRef[ db ] ).then( data => {
             console.log( data );
@@ -37,23 +37,78 @@ module.exports.getDataSimple = function getData ( db, column, searchQuery ) {
     } );
 };
 
-module.exports.writeDataSimple = function writeData ( db, column, searchQuery ) {
+module.exports.writeDataSimple = ( db, column, searchQuery ) => {
     return new Promise( ( resolve, reject ) => {
         
     } );
 };
 
-module.exports.getJSONData = function getData ( file ) {
+module.exports.getJSONData = ( file ) => {
     return new Promise( ( resolve, reject ) => {
-        fs.readFile( path.join( __dirname + '/../../' + file ), ( error, data ) => {
+        fs.readFile( path.join( __dirname + '/data/' + file + '.json' ), ( error, data ) => {
             if ( error ) {
                 reject( 'Error occurred: Error trace: ' + error );
+            } else {
+                if ( data.byteLength > 0 ) {
+                    resolve( JSON.parse( data ) ?? {} );
+                } else {
+                    resolve( { } );
+                }
             }
-            resolve( JSON.parse( data ) );
         } );
     } );
 };
 
-module.exports.getJSONDataSync = function getData ( file ) {
+module.exports.getJSONDataSimple = ( file, identifier ) => {
+    return new Promise( ( resolve, reject ) => {
+        fs.readFile( path.join( __dirname + '/data/' + file + '.json' ), ( error, data ) => {
+            if ( error ) {
+                reject( 'Error occurred: Error trace: ' + error );
+            } else {
+                if ( data.byteLength > 0 ) {
+                    resolve( JSON.parse( data )[ identifier ] ?? {} );
+                } else {
+                    resolve( { } );
+                }
+            }
+        } );
+    } );
+};
+
+module.exports.getJSONDataSync = ( file ) => {
     return JSON.parse( fs.readFileSync( path.join( __dirname + '/../../' + file ) ) );
+};
+
+module.exports.writeJSONDataSimple = ( db, identifier, values ) => {
+    return new Promise( ( resolve, reject ) => {
+        fs.readFile( path.join( __dirname + '/data/' + db + '.json' ), ( error, data ) => {
+            if ( error ) {
+                reject( 'Error occurred: Error trace: ' + error );
+            } else {
+                let dat = {};
+                if ( data.byteLength > 0 ) {
+                    dat = JSON.parse( data ) ?? {};
+                }
+                dat[ identifier ] = values;
+                fs.writeFile( path.join( __dirname + '/data/' + db + '.json' ), JSON.stringify( dat ), ( error ) => {
+                    if ( error ) {
+                        reject( 'Error occurred: Error trace: ' + error );
+                    }
+                    resolve( true );
+                } );
+            }
+        } );
+    } );
+};
+
+module.exports.writeJSONData = ( db, data ) => {
+    return new Promise( ( resolve, reject ) => {
+        fs.writeFile( path.join( __dirname + '/data/' + db + '.json' ), JSON.stringify( data ), ( error ) => {
+            if ( error ) {
+                reject( 'Error occurred: Error trace: ' + error );
+            } else {
+                resolve( true );
+            }
+        } );
+    } );
 };

src/server/backend/db/db.json

@@ -0,0 +1 @@
+{}

src/server/backend/userAPIRoutes.js

@@ -0,0 +1,35 @@
+/*
+*				libreevent - adminAPIRoutes.js
+*
+*	Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
+*			https://janishutz.com, development@janishutz.com
+*
+*
+*/
+
+const posth = require( './api/postHandler.js' );
+const geth = require( './api/getHandler.js' );
+const postHandler = new posth();
+const getHandler = new geth();
+const path = require( 'path' );
+
+// settings is missing in arguments which shouldn't pose any problem
+module.exports = ( app ) => {
+    // Add specific routes here to have them be checked first to not get general handling
+
+    app.get( '/getAPI/:call', ( req, res ) => {
+        getHandler.handleCall( req.params.call, req.query ).then( data => {
+            res.send( data );
+        } ).catch( error => {
+            res.status( 500 ).send( error );
+        } );
+    } );
+
+    app.post( '/API/:call', ( req, res ) => {
+        postHandler.handleCall( req.params.call, req.body, req.query.lang ).then( data => {
+            res.send( data );
+        } ).catch( error => {
+            res.status( 500 ).send( error );
+        } );
+    } );
+};

src/server/test.js

@@ -1,9 +1,19 @@
-const express = require( 'express' );
-let app = express();
-const http = require( 'http' );
+const alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+let result = '';
 
-app.use( express.static( '.' ) );
+// https://stackoverflow.com/questions/36129721/convert-number-to-alphabet-letter
+function printToLetter( number ) {
+    let charIndex = number % alphabet.length;
+    let quotient = number / alphabet.length;
+    if ( charIndex - 1 === -1 ) {
+        charIndex = alphabet.length;
+        quotient --;
+    }
+    result = alphabet.charAt( charIndex - 1 ) + result;
+    if ( quotient >= 1 ) {
+        printToLetter( parseInt( quotient ) );
+    }
+}
 
-
-const PORT = process.env.PORT || 8081;
-http.createServer( app ).listen( PORT );
+printToLetter( 150036 );
+console.log( result );

src/server/ui/en/errors/403.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>403</title>
+</head>
+<body>
+    <h1>403</h1>
+</body>
+</html>