ctucx.git: ctucx.things

simple inventory management web-app

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import assignIn    from 'lodash/assignIn.js';

import colorUtils  from './utils/color.js';
import weightUtils from './utils/weight.js';

const defaultOptionalFields = {
	images: false,
	price: false,
	worn: true,
	consumable: true,
	listDescription: false,
};

const Item = function ({ id, unit }) {
	this.id = id;
	this.name = '';
	this.description = '';
	this.weight = 0;
	this.authorUnit = 'g';
	if (unit) {
		this.authorUnit = unit;
	}
	this.price = 0.00;
	this.imageUrl = '';
	this.url = '';

	return this;
};

Item.prototype.save = function () {
	return this;
};

Item.prototype.load = function (input) {
	assignIn(this, input);
	if (typeof this.price === 'string') {
		this.price = parseFloat(this.price, 10);
	}
};

const Category = function ({ library, id, _isNew }) {
	this.library = library;
	this.id = id;
	this.name = '';
	this.categoryItems = [];

	this.subtotalWeight = 0;
	this.subtotalWornWeight = 0;
	this.subtotalConsumableWeight = 0;
	this.subtotalPrice = 0;
	this.subtotalConsumablePrice = 0;
	this.subtotalQty = 0;

	this._isNew = _isNew;
	return this;
};

Category.prototype.addItem = function (partialCategoryItem) {
	const tempCategoryItem = {
		qty: 1,
		worn: 0,
		consumable: false,
		star: 0,
		itemId: null,
		_isNew: false,
	};
	assignIn(tempCategoryItem, partialCategoryItem);
	this.categoryItems.push(tempCategoryItem);
};

Category.prototype.updateCategoryItem = function (categoryItem) {
	const oldCategoryItem = this.getCategoryItemById(categoryItem.itemId);
	assignIn(oldCategoryItem, categoryItem);
};

Category.prototype.removeItem = function (itemId) {
	const categoryItem = this.getCategoryItemById(itemId);
	const index = this.categoryItems.indexOf(categoryItem);
	this.categoryItems.splice(index, 1);
};

Category.prototype.calculateSubtotal = function () {
	this.subtotalWeight = 0;
	this.subtotalWornWeight = 0;
	this.subtotalConsumableWeight = 0;
	this.subtotalPrice = 0;
	this.subtotalConsumablePrice = 0;
	this.subtotalQty = 0;

	for (const i in this.categoryItems) {
		const categoryItem = this.categoryItems[i];
		const item = this.library.getItemById(categoryItem.itemId);
		if (!item) {
			continue;
		}
		this.subtotalWeight += item.weight * categoryItem.qty;
		this.subtotalPrice += item.price * categoryItem.qty;

		if (this.library.optionalFields.worn && categoryItem.worn) {
			this.subtotalWornWeight += item.weight * ((categoryItem.qty > 0) ? 1 : 0);
		}
		if (this.library.optionalFields.consumable && categoryItem.consumable) {
			this.subtotalConsumableWeight += item.weight * categoryItem.qty;
			this.subtotalConsumablePrice += item.price * categoryItem.qty;
		}
		this.subtotalQty += categoryItem.qty;
	}
};

Category.prototype.getCategoryItemById = function (id) {
	for (const i in this.categoryItems) {
		const categoryItem = this.categoryItems[i];
		if (categoryItem.itemId == id) return categoryItem;
	}
	return null;
};

Category.prototype.getExtendedItemByIndex = function (index) {
	const categoryItem = this.categoryItems[index];
	const item = this.library.getItemById(categoryItem.itemId);
	const extendedItem = assignIn({}, item);
	assignIn(extendedItem, categoryItem);
	return extendedItem;
};

Category.prototype.save = function () {
	const out = assignIn({}, this);

	delete out.library;
	delete out.template;
	delete out._isNew;

	return out;
};

Category.prototype.load = function (input) {
	delete input._isNew;

	assignIn(this, input);

	this.categoryItems.forEach((categoryItem, index) => {
		delete categoryItem._isNew;
		if (typeof categoryItem.price !== 'undefined') {
			delete categoryItem.price;
		}
		if (!categoryItem.star) {
			categoryItem.star = 0;
		}
		if (!this.library.getItemById(categoryItem.itemId)) {
			this.categoryItems.splice(index, 1);
		}
	});
};

const List = function ({ id, library }) {
	this.library = library;
	this.id = id;
	this.name = '';
	this.categoryIds = [];
	this.chart = null;
	this.description = '';
	this.externalId = '';

	this.totalWeight = 0;
	this.totalWornWeight = 0;
	this.totalConsumableWeight = 0;
	this.totalBaseWeight = 0;
	this.totalPackWeight = 0;
	this.totalPrice = 0;
	this.totalConsumablePrice = 0;
	this.totalQty = 0;

	return this;
};

List.prototype.addCategory = function (categoryId) {
	this.categoryIds.push(categoryId);
};

List.prototype.removeCategory = function (categoryId) {
	categoryId = parseInt(categoryId);
	let index = this.categoryIds.indexOf(categoryId);
	if (index == -1) {
		index = this.categoryIds.indexOf(`${categoryId}`);
		if (index == -1) {
			console.warn(`Unable to delete category, it does not exist in this list:${categoryId}`);
			return false;
		}
	}

	this.categoryIds.splice(index, 1);
	return true;
};

List.prototype.renderChart = function (type, linkParent) {
	const chartData = { points: {} };
	let total = 0;

	if (typeof linkParent === 'undefined') linkParent = true;

	for (var i in this.categoryIds) {
		var category = this.library.getCategoryById(this.categoryIds[i]);
		if (category) {
			category.calculateSubtotal();

			if (type === 'consumable') {
				total += category.subtotalConsumableWeight;
			} else if (type === 'worn') {
				total += category.subtotalWornWeight;
			} else if (type === 'base') {
				total += (category.subtotalWeight - (category.subtotalConsumableWeight + category.subtotalWornWeight));
			} else { // total weight
				total += category.subtotalWeight;
			}
		}
	}

	if (!total) return false;

	const getTooltipText = function (name, valueMg, unit) {
		return `${name}: ${weightUtils.MgToWeight(valueMg, unit)} ${unit}`;
	};

	for (var i in this.categoryIds) {
		var category = this.library.getCategoryById(this.categoryIds[i]);
		if (category) {
			const points = {};

			var categoryTotal;
			if (type === 'consumable') {
				categoryTotal = category.subtotalConsumableWeight;
			} else if (type === 'worn') {
				categoryTotal = category.subtotalWornWeight;
			} else if (type === 'base') {
				categoryTotal = (category.subtotalWeight - (category.subtotalConsumableWeight + category.subtotalWornWeight));
			} else { // total weight
				categoryTotal = category.subtotalWeight;
			}

			const tempColor = category.color || colorUtils.getColor(i);
			category.displayColor = colorUtils.rgbToString(tempColor);
			const tempCategory = {};

			for (const j in category.categoryItems) {
				const item = category.getExtendedItemByIndex(j);
				let value = item.weight * item.qty;
				if (!value) value = 0;
				let name = getTooltipText(item.name, value, item.authorUnit);
				const color = colorUtils.getColor(j, tempColor);
				if (item.qty > 1) name += ` x ${item.qty}`;
				var percent = value / categoryTotal;
				const tempItem = {
					value, id: item.id, name, color, percent,
				};
				if (linkParent) tempItem.parent = tempCategory;
				points[j] = tempItem;
			}
			var percent = categoryTotal / total;
			const tempCategoryData = {
				points, color: category.color, id: category.id, name: getTooltipText(category.name, categoryTotal, this.library.totalUnit), total: categoryTotal, percent, visiblePoints: false,
			};
			if (linkParent) tempCategoryData.parent = chartData;
			assignIn(tempCategory, tempCategoryData);
			chartData.points[i] = tempCategory;
		}
	}
	chartData.total = total;

	return chartData;
};

List.prototype.calculateTotals = function () {
	let totalWeight = 0;
	let totalPrice = 0;
	let totalWornWeight = 0;
	let totalConsumableWeight = 0;
	let totalConsumablePrice = 0;
	let totalBaseWeight = 0;
	let totalPackWeight = 0;
	let totalQty = 0;
	const out = { categories: [] };

	for (const i in this.categoryIds) {
		const category = this.library.getCategoryById(this.categoryIds[i]);

		if (category) {
			category.calculateSubtotal();

			totalWeight += category.subtotalWeight;
			totalWornWeight += category.subtotalWornWeight;
			totalConsumableWeight += category.subtotalConsumableWeight;

			totalPrice += category.subtotalPrice;
			totalConsumablePrice += category.subtotalConsumablePrice;

			totalQty += category.subtotalQty;

			out.categories.push(category);
		}
	}

	totalBaseWeight = totalWeight - (totalWornWeight + totalConsumableWeight);
	totalPackWeight = totalWeight - totalWornWeight;

	this.totalWeight = totalWeight;
	this.totalWornWeight = totalWornWeight;
	this.totalConsumableWeight = totalConsumableWeight;

	this.totalBaseWeight = totalBaseWeight;
	this.totalPackWeight = totalPackWeight;

	this.totalPrice = totalPrice;
	this.totalConsumablePrice = totalConsumablePrice;

	this.totalQty = totalQty;
};

List.prototype.save = function () {
	const out = assignIn({}, this);
	delete out.library;
	delete out.chart;
	return out;
};

List.prototype.load = function (input) {
	assignIn(this, input);
	this.calculateTotals();
};

const Library = function () {
	this.version = '0.3';
	this.idMap = {};
	this.items = [];
	this.categories = [];
	this.lists = [];
	this.sequence = 0;
	this.defaultListId = 1;
	this.totalUnit = 'kg';
	this.itemUnit = 'g';
	this.showSidebar = true;
	this.showImages = false;
	this.optionalFields = assignIn({}, defaultOptionalFields);
	this.currencySymbol = '€';
	this.firstRun();
	return this;
};


Library.prototype.firstRun = function () {
	const firstList = this.newList();
	const firstCategory = this.newCategory({ list: firstList });
	const firstItem = this.newItem({ category: firstCategory });
};

Library.prototype.newItem = function ({ category, _isNew }) {
	const temp = new Item({ id: this.nextSequence(), unit: this.itemUnit });
	this.items.push(temp);
	this.idMap[temp.id] = temp;
	if (category) {
		category.addItem({ itemId: temp.id, _isNew });
	}
	return temp;
};

Library.prototype.updateItem = function (item) {
	const oldItem = this.getItemById(item.id);
	assignIn(oldItem, item);
	return oldItem;
};

Library.prototype.removeItem = function (id) {
	const item = this.getItemById(id);
	for (const i in this.lists) {
		const category = this.findCategoryWithItemById(id, this.lists[i].id);
		if (category) {
			category.removeItem(id);
		}
	}

	this.items.splice(this.items.indexOf(item), 1);
	delete this.idMap[id];

	return true;
};

Library.prototype.newCategory = function ({ list, _isNew }) {
	const temp = new Category({ id: this.nextSequence(), _isNew, library: this });

	this.categories.push(temp);
	this.idMap[temp.id] = temp;
	if (list) {
		list.addCategory(temp.id);
	}

	return temp;
};

Library.prototype.removeCategory = function (id, force) {
	const category = this.getCategoryById(id);
	const list = this.findListWithCategoryById(id);

	if (list && list.categoryIds.length == 1 && !force) {
		alert("Can't remove the last category in a list!");
		return false;
	}

	if (list) {
		list.removeCategory(id);
	}

	this.categories.splice(this.categories.indexOf(category), 1);
	delete this.idMap[id];

	return true;
};

Library.prototype.newList = function () {
	const temp = new List({ id: this.nextSequence(), library: this });
	this.lists.push(temp);
	this.idMap[temp.id] = temp;
	if (!this.defaultListId) this.defaultListId = temp.id;
	return temp;
};

Library.prototype.removeList = function (id) {
	if (Object.size(this.lists) == 1) return;
	const list = this.getListById(id);

	for (var i = 0; i < list.categoryIds; i++) {
		this.removeCategory(list.categoryIds[i], true);
	}

	this.lists.splice(this.lists.indexOf(list), 1);
	delete this.idMap[id];

	if (this.defaultListId == id) {
		let newId = -1;
		for (var i in lists) {
			newId = i;
			break;
		}
		this.defaultListId = newId;
	}
};

Library.prototype.copyList = function (id) {
	const oldList = this.getListById(id);
	if (!oldList) return;

	const copiedList = this.newList();

	copiedList.name = `Copy of ${oldList.name}`;
	for (const i in oldList.categoryIds) {
		const oldCategory = this.getCategoryById(oldList.categoryIds[i]);
		const copiedCategory = this.newCategory({ list: copiedList });

		copiedCategory.name = oldCategory.name;

		for (const j in oldCategory.categoryItems) {
			copiedCategory.addItem(oldCategory.categoryItems[j]);
		}
	}

	return copiedList;
};

Library.prototype.renderChart = function (type) {
	return this.getListById(this.defaultListId).renderChart(type);
};

Library.prototype.getCategoryById = function (id) {
	return this.idMap[id];
};

Library.prototype.getItemById = function (id) {
	return this.idMap[id];
};

Library.prototype.getListById = function (id) {
	return this.idMap[id];
};

Library.prototype.getItemsInCurrentList = function () {
	const out = [];
	const list = this.getListById(this.defaultListId);
	for (let i = 0; i < list.categoryIds.length; i++) {
		const category = this.getCategoryById(list.categoryIds[i]);
		if (category) {
			for (const j in category.categoryItems) {
				const categoryItem = category.categoryItems[j];
				out.push(categoryItem.itemId);
			}
		}
	}
	return out;
};

Library.prototype.findCategoryWithItemById = function (itemId, listId) {
	if (listId) {
		const list = this.getListById(listId);
		for (i in list.categoryIds) {
			var category = this.getCategoryById(list.categoryIds[i]);
			if (category) {
				for (var j in category.categoryItems) {
					var categoryItem = category.categoryItems[j];
					if (categoryItem.itemId == itemId) return category;
				}
			}
		}
	} else {
		for (var i in this.categories) {
			var category = this.categories[i];
			if (category) {
				for (var j in category.categoryItems) {
					var categoryItem = category.categoryItems[j];
					if (categoryItem.itemId == itemId) return category;
				}
			}
		}
	}
};

Library.prototype.findListWithCategoryById = function (id) {
	for (const i in this.lists) {
		const list = this.lists[i];
		for (const j in list.categoryIds) {
			if (list.categoryIds[j] == id) return list;
		}
	}
};

Library.prototype.nextSequence = function () {
	return ++this.sequence;
};

Library.prototype.save = function () {
	const out = {};

	out.version = this.version;
	out.totalUnit = this.totalUnit;
	out.itemUnit = this.itemUnit;
	out.defaultListId = this.defaultListId;
	out.sequence = this.sequence;
	out.showSidebar = this.showSidebar;
	out.optionalFields = this.optionalFields;
	out.currencySymbol = this.currencySymbol;

	out.items = [];
	for (var i in this.items) {
		out.items.push(this.items[i].save());
	}

	out.categories = [];
	for (var i in this.categories) {
		out.categories.push(this.categories[i].save());
	}

	out.lists = [];
	for (var i in this.lists) {
		out.lists.push(this.lists[i].save());
	}

	return out;
};

Library.prototype.load = function (serializedLibrary) {
	// upgrades should update "serializedLibrary" in-place instead of modifying "this"
	if (serializedLibrary.version === '0.1' || !serializedLibrary.version) {
		this.upgrade01to02(serializedLibrary);
	}
	if (serializedLibrary.version === '0.2') {
		this.upgrade02to03(serializedLibrary);
	}

	this.items = [];

	assignIn(this.optionalFields, serializedLibrary.optionalFields);

	for (var i in serializedLibrary.items) {
		var temp = new Item({ id: serializedLibrary.items[i].id });
		temp.load(serializedLibrary.items[i]);
		this.items.push(temp);
		this.idMap[temp.id] = temp;
	}

	this.categories = [];
	for (var i in serializedLibrary.categories) {
		var temp = new Category({ id: serializedLibrary.categories[i].id, library: this });
		temp.load(serializedLibrary.categories[i]);
		this.categories.push(temp);
		this.idMap[temp.id] = temp;
	}

	this.lists = [];
	for (var i in serializedLibrary.lists) {
		var temp = new List({ id: serializedLibrary.lists[i].id, library: this });
		temp.load(serializedLibrary.lists[i]);
		this.lists.push(temp);
		this.idMap[temp.id] = temp;
	}

	if (serializedLibrary.showSidebar) this.showSidebar = serializedLibrary.showSidebar;
	if (serializedLibrary.totalUnit) this.totalUnit = serializedLibrary.totalUnit;
	if (serializedLibrary.itemUnit) this.itemUnit = serializedLibrary.itemUnit;
	if (serializedLibrary.currencySymbol) this.currencySymbol = serializedLibrary.currencySymbol;

	this.version = serializedLibrary.version;
	this.sequence = serializedLibrary.sequence;
	this.defaultListId = serializedLibrary.defaultListId;
};

Library.prototype.upgrade01to02 = function (serializedLibrary) {
	if (!serializedLibrary.optionalFields) {
		serializedLibrary.optionalFields = assignIn({}, defaultOptionalFields);
	}

	if (serializedLibrary.showImages) {
		serializedLibrary.optionalFields.images = true;
	} else {
		serializedLibrary.optionalFields.images = false;
	}
	serializedLibrary.version = '0.2';
};

Library.prototype.upgrade02to03 = function (serializedLibrary) {
	this.sequenceShouldBeCorrect(serializedLibrary);
	this.idsShouldBeInts(serializedLibrary);
	this.renameCategoryIds(serializedLibrary);
	this.fixDuplicateIds(serializedLibrary);
	serializedLibrary.version = '0.3';
};

Library.prototype.sequenceShouldBeCorrect = function (serializedLibrary) {
	let sequence = 0;

	serializedLibrary.lists.forEach((list) => {
		if (list.id > sequence) {
			sequence = list.id;
		}
	});

	serializedLibrary.categories.forEach((category) => {
		if (category.id > sequence) {
			sequence = category.id;
		}
	});

	serializedLibrary.items.forEach((item) => {
		if (item.id > sequence) {
			sequence = item.id;
		}
	});
	serializedLibrary.sequence = (sequence + 1);
};

Library.prototype.idsShouldBeInts = function (serializedLibrary) {
	// Some lists of Ids were strings previously. They should be numbers.
	serializedLibrary.lists.forEach((list) => {
		list.categoryIds = list.categoryIds.map(categoryId => parseInt(categoryId, 10));
	});
};

Library.prototype.renameCategoryIds = function (serializedLibrary) {
	// categoryIds was previously itemIds. Renaming for clarity.
	serializedLibrary.categories.forEach((category) => {
		if (typeof category.itemIds !== 'undefined') {
			if (!category.categoryItems || category.categoryItems.length === 0) {
				category.categoryItems = category.itemIds;
				delete category.itemIds;
			} else {
				delete category.itemIds;
			}
		}
		if (typeof category.categoryItems === 'undefined') {
			category.categoryItems = [];
		}
	});
};

Library.prototype.fixDuplicateIds = function (serializedLibrary) {
	const foundIds = {};

	serializedLibrary.items.forEach((item) => {
		if (!foundIds[item.id]) {
			foundIds[item.id] = [];
		}
		foundIds[item.id].push({ type: 'item', item });
	});

	serializedLibrary.categories.forEach((category) => {
		if (!foundIds[category.id]) {
			foundIds[category.id] = [];
		}
		foundIds[category.id].push({ type: 'category', category });
	});

	serializedLibrary.lists.forEach((list) => {
		if (!foundIds[list.id]) {
			foundIds[list.id] = [];
		}
		foundIds[list.id].push({ type: 'list', list });
	});

	for (id in foundIds) {
		if (foundIds[id].length > 1) {
			const duplicateSet = foundIds[id];
			duplicateSet.forEach((duplicate, index) => {
				if (index === 0) {
					return;
				}
				if (duplicate.type === 'item') {
					this.updateItemId(serializedLibrary, duplicate.item, ++serializedLibrary.sequence);
				} else if (duplicate.type === 'category') {
					this.updateCategoryId(serializedLibrary, duplicate.category, ++serializedLibrary.sequence);
				} else if (duplicate.type === 'list') {
					this.updateListId(serializedLibrary, duplicate.list, ++serializedLibrary.sequence);
				}
			});
		}
	}
};

Library.prototype.updateListId = function (serializedLibrary, list, newId) {
	list.id = newId;
};
Library.prototype.updateCategoryId = function (serializedLibrary, category, newId) {
	const oldId = category.id;

	category.id = newId;

	serializedLibrary.lists.forEach((list) => {
		list.categoryIds.forEach((categoryId, index) => {
			if (categoryId === oldId) {
				list.categoryIds[index] = newId;
			}
		});
	});
};

Library.prototype.updateItemId = function (serializedLibrary, item, newId) {
	const oldId = item.id;

	item.id = newId;

	serializedLibrary.categories.forEach((category) => {
		category.categoryItems.forEach((categoryItem) => {
			if (categoryItem.itemId === oldId) {
				categoryItem.itemId = newId;
			}
		});
	});
};

Object.size = function (obj) {
	let size = 0; let
		key;
	for (key in obj) {
		if (obj.hasOwnProperty(key)) size++;
	}
	return size;
};

export default {
	Library,
	List,
	Category,
	Item,
};