commit 004b11848853e6d2a9954eea3340bf207b2667ae
Author: Fabian Stamm <dev@fabianstamm.de>
Date:   Tue May 29 15:17:24 2018 +0200

    First Commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..047ea88
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+etiketten*
+student_form.pdf
\ No newline at end of file
diff --git a/briefe.js.old b/briefe.js.old
new file mode 100644
index 0000000..d177b0e
--- /dev/null
+++ b/briefe.js.old
@@ -0,0 +1,112 @@
+var PDFDocument = require("pdfkit");
+var doc = new PDFDocument({ size: "letter", autoFirstPage: false });
+var fs = require("fs");
+var bluebird = require("bluebird");
+var sid = require("shortid");
+var ets = [];
+//sid.characters("ABCDESFHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890");
+
+for (var i = 0; i < 12 * 10; i++) {
+   ets.push(sid.generate());
+}
+
+console.log(ets);
+
+//const barcode = require("barcode");
+var bwipjs = require('bwip-js');
+const ewidth = 277;
+const eheight = 119;
+const mgap = 8.49;
+
+doc.pipe(fs.createWriteStream(__dirname + "/pdf.pdf"));
+
+//A4 2480 x 3508
+//doc.addPage({margin: 0});
+//S = 1134
+
+//A4: [595.28, 841.89],
+// 28.29
+//o w:14,15
+//o h: 62,24
+// <------------> (277)
+// |
+// | (119)
+// |
+
+function print(xo, yo, bc) {
+   //doc.rect(xo, yo, ewidth, eheight);
+   //doc.stroke();
+
+   //Name Field
+   doc.fontSize(16);
+   var h = yo + (eheight / 4) * 3;
+   doc.text("Name", xo + 5, h + 6);
+   doc.moveTo(xo + 5, h).lineTo(xo + (ewidth / 4) * 2.2, h);
+   doc.stroke();
+   //Price Field;
+   doc.text("Preis", xo + (ewidth / 4) * 2.4 + 5, h + 6);
+   doc.moveTo(xo + (ewidth / 4) * 2.4 + 5, h).lineTo(xo + ewidth - 10, h);
+   doc.stroke();
+   //Sid Field:
+   var h = yo + (eheight / 4) + 10;
+
+   doc.text("SchülerId", xo + (ewidth / 4) * 2.4 + 5, h + 6);
+   doc.moveTo(xo + (ewidth / 4) * 2.4 + 5, h).lineTo(xo + ewidth - 10, h);
+   doc.stroke();
+   //Barcode:
+
+   var imagewidth = (ewidth / 4) * 2.2;
+   var imageheight = 20;
+   return new Promise((resolve, reject) => {
+
+      console.log(imageheight, imagewidth);
+      bwipjs.toBuffer({
+         bcid: "code128",
+         text: bc,
+         scale: 1,
+         height: imageheight,
+         width: imagewidth,
+         includetext: true,
+         textxalign: "center",
+         textsize: 15
+      }, (err, png) => {
+         if (err) return console.log(err);
+         doc.image(png, xo + 5, yo + 5, { height: 50, width: imagewidth });
+         resolve();
+      });
+   });
+}
+
+function page(items, callback, index) { //bekommt ein array mit 12 ids
+   doc.addPage({ margin: 0 });
+   var j = 0;
+   var proms = [];
+   for (var i = 0; i < 6; i++) {
+      if (j >= items.length) break;;
+      proms.push(print(14.15, 62.24 + i * eheight, items[j]));
+      j++;
+   }
+
+   for (var i = 0; i < 6; i++) {
+      if (j >= items.length) break;
+      proms.push(print(14.15 + ewidth + mgap, 62.24 + i * eheight, items[j]));
+      j++;
+   }
+   Promise.all(proms).then(() => {
+      callback(index + 12);
+   });
+}
+
+function printpack(index) {
+   if (index >= ets.length) {
+      doc.end();
+      return;
+   }
+   var i = [];
+   for (var g = 0; g < 12; g++) {
+      if (index + g >= ets.length) break;
+      i.push(ets[index + g]);
+   }
+   page(i, printpack, index);
+}
+printpack(0);
\ No newline at end of file
diff --git a/gesamtgewinn.js b/gesamtgewinn.js
new file mode 100644
index 0000000..4183344
--- /dev/null
+++ b/gesamtgewinn.js
@@ -0,0 +1 @@
+db.getCollection('books').aggregate({$match:{$or:[{state:1}, {state:0}]}}, { $group: {_id:null, sum : { $sum: "$price" }}})
\ No newline at end of file
diff --git a/gesamtgewinn_count.js b/gesamtgewinn_count.js
new file mode 100644
index 0000000..d0a5970
--- /dev/null
+++ b/gesamtgewinn_count.js
@@ -0,0 +1 @@
+db.getCollection('books').aggregate({$match:{$or:[{state:1}, {state:0}]}}, { $count:"count"})
\ No newline at end of file
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..3b733f8
--- /dev/null
+++ b/index.js
@@ -0,0 +1,127 @@
+const possibleChars = "ABCDESFHIJKLMNOPQRSTUVWXYZ1234567890";
+const possibleCharsLength = possibleChars.length;
+
+function randomId(length) {
+   let ans = "";
+   for (; length > 0; length--) {
+      let idx = Math.floor(Math.random() * possibleCharsLength);
+      ans += possibleChars[idx];
+   }
+   return ans;
+}
+
+//Generating random preset, to identify possible doubles
+const preset = randomId(3);
+
+console.log("The radnom preset for this set is:", preset);
+console.log("Make shure this was not used before and if so, retry")
+var etk = {};
+
+for (var i = 0; i < 12 * 100; i++) {
+   let id = preset + randomId(6);
+   if (etk[id] !== undefined) i--;
+   else etk[id] = 1;
+}
+
+var ets = Object.keys(etk);
+
+const bluebird = require("bluebird");
+const PDFDocument = require("pdfkit");
+const doc = new PDFDocument({ size: "A4", autoFirstPage: false });
+const fs = require("fs");
+//const barcode = require("barcode");
+const bwipjs = require('bwip-js');
+const ewidth = 277;
+const eheight = 119;
+const mgap = 8.49;
+
+doc.pipe(fs.createWriteStream(__dirname + "/etiketten.pdf"));
+
+//A4 2480 x 3508
+//doc.addPage({margin: 0});
+//S = 1134
+
+//A4: [595.28, 841.89],
+// 28.29
+//o w:14,15
+//o h: 62,24
+// <------------> (277)
+// |
+// | (119)
+// |
+
+function print(xo, yo, bc) {
+   //doc.rect(xo, yo, ewidth, eheight);
+   //doc.stroke();
+
+   //Name Field
+   doc.fontSize(16);
+   var h = yo + (eheight / 4) * 3;
+   doc.text("Name", xo + 5, h + 6);
+   doc.moveTo(xo + 5, h).lineTo(xo + (ewidth / 4) * 2.2, h);
+   doc.stroke();
+   //Price Field;
+   doc.text("Preis", xo + (ewidth / 4) * 2.4 + 5, h + 6);
+   doc.moveTo(xo + (ewidth / 4) * 2.4 + 5, h).lineTo(xo + ewidth - 10, h);
+   doc.stroke();
+   //Sid Field:
+   var h = yo + (eheight / 4) + 10;
+
+   doc.text("SchülerId", xo + (ewidth / 4) * 2.4 + 5, h + 6);
+   doc.moveTo(xo + (ewidth / 4) * 2.4 + 5, h).lineTo(xo + ewidth - 10, h);
+   doc.stroke();
+   //Barcode:
+
+   var imagewidth = (ewidth / 4) * 2.2;
+   var imageheight = 20;
+   return new Promise((resolve, reject) => {
+      bwipjs.toBuffer({
+         bcid: "code128",
+         text: bc,
+         scale: 1,
+         height: imageheight,
+         width: imagewidth,
+         includetext: true,
+         textxalign: "center",
+         textsize: 15
+      }, (err, png) => {
+         if (err) return console.log(err);
+         doc.image(png, xo + 5, yo + 5, { height: 50, width: imagewidth });
+         resolve();
+      });
+   });
+}
+
+function page(items, callback, index) { //bekommt ein array mit 12 ids
+   doc.addPage({ margin: 0 });
+   var j = 0;
+   var proms = [];
+   for (var i = 0; i < 6; i++) {
+      if (j >= items.length) break;;
+      proms.push(print(14.15, 62.24 + i * eheight, items[j]));
+      j++;
+   }
+
+   for (var i = 0; i < 6; i++) {
+      if (j >= items.length) break;
+      proms.push(print(14.15 + ewidth + mgap, 62.24 + i * eheight, items[j]));
+      j++;
+   }
+   Promise.all(proms).then(() => {
+      callback(index + 12);
+   });
+}
+
+function printpack(index) {
+   if (index >= ets.length) {
+      doc.end();
+      return;
+   }
+   var i = [];
+   for (var g = 0; g < 12; g++) {
+      if (index + g >= ets.length) break;
+      i.push(ets[index + g]);
+   }
+   page(i, printpack, index);
+}
+printpack(0);
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..ea895de
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,642 @@
+{
+  "name": "etikettengenerator",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "acorn": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-1.2.2.tgz",
+      "integrity": "sha1-yM4n3grMdtiW0rH6099YjZ6C8BQ="
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "optional": true
+    },
+    "argv": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/argv/-/argv-0.0.2.tgz",
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+    },
+    "array-series": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/array-series/-/array-series-0.1.5.tgz",
+      "integrity": "sha1-3103v8XC7wdV4qpPkv6ufUtaly8="
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+    "ast-transform": {
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+      "resolved": "https://registry.npmjs.org/ast-transform/-/ast-transform-0.0.0.tgz",
+      "integrity": "sha1-dJRAWIh9goPhidlUYAlHvJj+AGI=",
+      "requires": {
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+        "esprima": "~1.0.4",
+        "through": "~2.3.4"
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+      "dependencies": {
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+          "integrity": "sha1-Cd55Z3kcyVi3+Jot220jRRrzJ+E=",
+          "requires": {
+            "esprima": "~1.0.4",
+            "estraverse": "~1.5.0",
+            "esutils": "~1.0.0",
+            "source-map": "~0.1.30"
+          }
+        },
+        "esprima": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-1.0.4.tgz",
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+    },
+    "ast-types": {
+      "version": "0.7.8",
+      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.7.8.tgz",
+      "integrity": "sha1-kC0uDWDQcb3NRtwRXhgJ7RHBOKk="
+    },
+    "babel-runtime": {
+      "version": "6.23.0",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.23.0.tgz",
+      "integrity": "sha1-CpSJ8UTecO+zzkMArM2zKeL8VDs=",
+      "requires": {
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+      "version": "0.1.0",
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+      "integrity": "sha1-SbFjFQgUo/P7D6DAqih00ooPONc=",
+      "requires": {
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.2.0.tgz",
+      "integrity": "sha1-o5mS1yNYSBGYK+XikLtqU9hnAPE="
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+      "integrity": "sha1-22ddb16SPm3wh/ylhZyQkKrtMhY=",
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+      "requires": {
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+        "brfs": "^1.4.0",
+        "brotli": "^1.2.0",
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+        "deep-equal": "^1.0.0",
+        "dfa": "^1.0.0",
+        "restructure": "^0.5.3",
+        "tiny-inflate": "^1.0.2",
+        "unicode-properties": "^1.0.0",
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+    },
+    "unicode-properties": {
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+      "integrity": "sha1-1nHd3YkQGgi6w3tqUWEBBgIFIIU=",
+      "requires": {
+        "pako": "^0.2.5",
+        "tiny-inflate": "^1.0.0"
+      }
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+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
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+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
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+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..2bb36f3
--- /dev/null
+++ b/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "etikettengenerator",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "barcode": "^0.1.0",
+    "bluebird": "^3.5.0",
+    "bwip-js": "^1.3.3",
+    "js-shortid": "^0.1.1",
+    "pdfkit": "^0.8.2",
+    "shortid": "^2.2.8"
+  }
+}
diff --git a/students.js b/students.js
new file mode 100644
index 0000000..8dfa38c
--- /dev/null
+++ b/students.js
@@ -0,0 +1,123 @@
+var PDFDocument = require("pdfkit");
+var doc = new PDFDocument({ size: "A4", autoFirstPage: false });
+var fs = require("fs");
+var bluebird = require("bluebird");
+var ets = []
+var height = 841.89;
+var width = 595.28;
+for (var i = 2000; i < 4 * 100 + 2000; i++) {
+   ets.push(i.toString());
+}
+
+//const barcode = require("barcode");
+var bwipjs = require('bwip-js');
+const margin = 40;
+
+//A4: [595.28, 841.89],
+// 28.29
+
+function print(xo, yo, bc) {
+   xo = xo + 40;
+   yo = yo + 40;
+   doc.fontSize(14);
+   doc.text("Bitte alle Felder leserlich ausfüllen. \nDie Schüler-ID bitte auf \nALLE Bücher schreiben!!", xo, yo);
+   doc.fontSize(16);
+   yo += 45;
+
+   var h = yo + 40;
+   doc.moveTo(xo, h).lineTo(xo + 180, h);
+   doc.text("Vorame", xo, h + 5);
+   doc.stroke();
+
+   h += 50;
+   doc.moveTo(xo, h).lineTo(xo + 180, h);
+   doc.text("Nachname", xo, h + 5);
+   doc.stroke();
+
+   h += 50;
+   doc.moveTo(xo, h).lineTo(xo + 180, h);
+   doc.text("Klasse", xo, h + 5);
+   doc.stroke();
+
+   h += 50;
+   doc.moveTo(xo, h).lineTo(xo + 180, h);
+   doc.text("Telefon", xo, h + 5);
+   doc.stroke();
+
+   h += 50;
+   doc.moveTo(xo, h).lineTo(xo + 180, h);
+   doc.text("E-Mail", xo, h + 5);
+   doc.stroke();
+   //doc.rect(xo, yo, ewidth, eheight);
+   //doc.stroke();
+
+   //return new Promise((resolve)=>{resolve()});
+   //Barcode:
+
+   var imagewidth = 240;
+   var imageheight = 20;
+   return new Promise((resolve, reject) => {
+      bwipjs.toBuffer({
+         bcid: "code128",
+         text: bc,
+         scale: 1,
+         height: imageheight,
+         width: imagewidth,
+         includetext: true,
+         textxalign: "center",
+         textsize: 15
+      }, (err, png) => {
+         if (err) return console.log(err);
+         doc.image(png, xo + 23 - 40, h + 23, { height: 50, width: imagewidth });
+         resolve();
+      });
+   });
+}
+
+function page(items, callback, index) { //bekommt ein array mit 12 ids
+   doc.addPage({ margin: 0, size: "A4" });
+   doc.moveTo(width / 2, 0).lineTo(width / 2, height);
+   doc.stroke();
+   doc.moveTo(0, height / 2).lineTo(width, height / 2);
+   doc.stroke();
+   var i = 0;
+   var proms = [];
+   if (i < items.length) {
+      proms.push(print(0, 0, items[0]));
+      i++;
+   }
+
+   if (i < items.length) {
+      proms.push(print(width / 2, 0, items[1]));
+      i++;
+   }
+
+   if (i < items.length) {
+      proms.push(print(0, height / 2, items[2]));
+      i++;
+   }
+
+   if (i < items.length) {
+      proms.push(print(width / 2, height / 2, items[3]));
+      i++;
+   }
+
+   Promise.all(proms).then(() => {
+      callback(index + 4);
+   });
+}
+
+function printpack(index) {
+   if (index >= ets.length) {
+      doc.pipe(fs.createWriteStream(__dirname + "/student_form.pdf"));
+      doc.end();
+      return;
+   }
+   var i = [];
+   for (var g = 0; g < 4; g++) {
+      if (index + g >= ets.length) break;
+      i.push(ets[index + g]);
+   }
+   page(i, printpack, index);
+}
+printpack(0);
\ No newline at end of file