[TASK] Inital State

app/js/model/article.js

@@ -0,0 +1,80 @@
+export class Article{
+  constructor() {
+    this.name = "";
+    this.short = "";
+    this.dimension = "";
+    this.content = {
+      size : 0,
+      price: 0
+    };
+    this.portion = {
+      size : 0,
+      price : 0,
+      type : ""
+    };
+  }
+  get Name() {
+    return this.name;
+  }
+  set Name(value) {
+    this.name = value;
+  }
+  get Short() {
+    return this.short;
+  }
+  set Short(value) {
+    this.short = value;
+  }
+  get ContentSize() {
+    return this.content.size;
+  }
+  set ContentSize(value) {
+    this.content.size = value;
+  }
+  get Dimension() {
+    return this.dimension;
+  }
+  set Dimension(value) {
+    this.dimension = value;
+  }
+  get PortionSize() {
+    return this.portion.size;
+  }
+  set PortionSize(value) {
+    this.portion.size = value;
+  }
+  get PortionType() {
+    return this.portion.type;
+  }
+  set PortionType(value) {
+    this.portion.type = value;
+  }
+  get PortionPrice() {
+    return this.portion.price;
+  }
+  set PortionPrice(value) {
+    this.portion.price = value;
+  }
+  get ContentPrice() {
+    return this.Portions * this.portion.price;
+  }
+  get Portions() {
+    return this.content.size / (this.portion.size || 1);
+  }
+}
+
+Article.thaw = function (json) {
+  var article = new Article();
+  article.id = json.id;
+  article.Name = json.name;
+  article.Short = json.short;
+  article.Dimension = json.dimension;
+  article.ContentSize = json.content.size;
+  article.PortionPrice = json.portion.price;
+  article.PortionSize = json.portion.size;
+  article.PortionType = json.portion.type;
+
+  return article;
+};
+
+export const thawArticle = Article.thaw;

app/js/model/inventory_article.js

@@ -0,0 +1,72 @@
+export class InventoryArticle {
+  constructor(article) {
+    this.article = article;
+    this.end = 0;
+    this.start = 0;
+    this.fetched = 0;
+    this.lost = 0;
+  }
+  get StartPortions() {
+    var countFull = Math.floor(this.start);
+    var fullPortions = countFull * this.article.Portions;
+    var rest = this.start - countFull;
+    var restPortions = rest / this.article.PortionSize;
+
+    return fullPortions + restPortions;
+  }
+  get FetchedPortions() {
+    var countFull = Math.floor(this.fetched);
+    var fullPortions = countFull * this.article.Portions;
+    var rest = this.fetched - countFull;
+    var restPortions = rest / this.article.PortionSize;
+
+    return fullPortions + restPortions;
+  }
+  get EndPortions() {
+    var countFull = Math.floor(this.end);
+    var fullPortions = countFull * this.article.Portions;
+    var rest = this.end - countFull;
+    var restPortions = rest / this.article.PortionSize;
+
+    return fullPortions + restPortions;
+  }
+  get LostPortions() {
+    var countFull = Math.floor(this.lost);
+    var fullPortions = countFull * this.article.Portions;
+    var rest = this.lost - countFull;
+    var restPortions = rest / this.article.PortionSize;
+
+    return fullPortions + restPortions;
+  }
+  get Sold() {
+    var adds = this.StartPortions + this.FetchedPortions;
+    var subs = this.EndPortions + this.LostPortions;
+    return adds - subs;
+  }
+  get Sale() {
+    return this.Sold * this.article.PortionPrice;
+  }
+  get StepSize() {
+    var singlePack = this.article.Portions == 1;
+    return singlePack ? 1 : 0.05;
+  }
+  get PortionPrecision() {
+    var singlePack = this.article.Portions == 1;
+    return singlePack ? 0 : 2;
+  }
+  reset() {
+    this.start = 0;
+    this.fetched = 0;
+    this.end = 0;
+    this.lost = 0;
+  }
+}
+
+InventoryArticle.thaw = function (json) {
+  this.name = json.name;
+  this.start = json.start;
+  this.fetched = json.fetched;
+  this.end = json.end;
+  this.lost = json.lost;
+};
+export const thawInventoryArticle = InventoryArticle.thaw;