Dépôt officiel du code source de l'ERP OpenConcerto

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.

 *

 * The contents of this file are subject to the terms of the GNU General Public License Version 3

 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a

 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific

 * language governing permissions and limitations under the License.

 *

 * When distributing the software, include this License Header Notice in each file.

 */

 package org.openconcerto.erp.core.sales.product.model;

import org.openconcerto.sql.model.DBRoot;

import org.openconcerto.sql.model.SQLDataSource;

import org.openconcerto.sql.model.SQLRow;

import org.openconcerto.sql.model.SQLRowAccessor;

import org.openconcerto.sql.model.SQLRowListRSH;

import org.openconcerto.sql.model.SQLRowValues;

import org.openconcerto.sql.model.SQLRowValuesListFetcher;

import org.openconcerto.sql.model.SQLSelect;

import org.openconcerto.sql.model.SQLTable;

import org.openconcerto.sql.model.Where;

import org.openconcerto.utils.DecimalUtils;

import org.openconcerto.utils.cc.ITransformer;

import java.math.BigDecimal;

import java.math.RoundingMode;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Collection;

import java.util.Date;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

public class ProductHelper {

    private DBRoot root;

    public ProductHelper(DBRoot root) {

        this.root = root;

    }

    public interface PriceField {

    };

    public enum SupplierPriceField implements PriceField {

        PRIX_ACHAT, COEF_TRANSPORT_PORT, COEF_TAXE_D, COEF_TRANSPORT_SIEGE, COEF_FRAIS_MOULE, COEF_FRAIS_INDIRECTS, COEF_PRIX_MINI

    };

    public BigDecimal getEnumPrice(final SQLRowAccessor r, PriceField field) {

        final PriceField[] values = field.getClass().getEnumConstants();

        BigDecimal result = r.getBigDecimal(values[0].toString());

        if (result == null) {

            return null;

        }

        for (int i = 1; i < values.length; i++) {

            BigDecimal m0 = r.getBigDecimal(values[i].toString());

            if (m0 != null && m0.floatValue() > 0) {

                result = result.divide(m0, 2, RoundingMode.HALF_UP);

            }

            if (values[i] == field) {

                break;

            }

        }

        return result;

    }

    public BigDecimal getUnitCostForQuantity(SQLRowAccessor rArticle, int qty) {

        Collection<? extends SQLRowAccessor> l = rArticle.getReferentRows(rArticle.getTable().getTable("ARTICLE_PRIX_REVIENT"));

        BigDecimal result = null;

        for (SQLRowAccessor row : l) {

            if (row.getLong("QTE") > qty) {

                break;

            }

            result = row.getBigDecimal("PRIX");

        }

        if (result == null) {

            // Can occur during editing

            result = BigDecimal.ZERO;

        }

        return result;

    }

    @SuppressWarnings("unchecked")

    public List<String> getRequiredProperties(int categoryId) {

        final SQLTable table = root.getTable("FAMILLE_CARACTERISTIQUE");

        final SQLSelect sel = new SQLSelect();

        sel.addSelect(table.getField("NOM"));

        sel.setWhere(table.getField("ID_FAMILLE_ARTICLE"), "=", categoryId);

        final SQLDataSource src = root.getDBSystemRoot().getDataSource();

        return (List<String>) src.executeCol(sel.asString());

    }

    /**

     * Get the minimum quantity used to provide a cost for a product

     *

     * @return -1 if no quantity are provided

     */

    public int getMinQuantityForCostCalculation(int productId) {

        final SQLTable costTable = root.getTable("ARTICLE_PRIX_REVIENT");

        final SQLSelect sel = new SQLSelect();

        sel.addSelect(costTable.getKey());

        sel.addSelect(costTable.getField("ID_ARTICLE"));

        sel.addSelect(costTable.getField("QTE"));

        sel.setWhere(new Where(costTable.getField("ID_ARTICLE"), "=", productId));

        final SQLDataSource src = root.getDBSystemRoot().getDataSource();

        final List<SQLRow> l = (List<SQLRow>) src.execute(sel.asString(), SQLRowListRSH.createFromSelect(sel));

        if (l.isEmpty()) {

            return -1;

        }

        int min = Integer.MAX_VALUE;

        for (SQLRow sqlRow : l) {

            int n = sqlRow.getInt("QTE");

            if (n < min) {

                min = n;

            }

        }

        return min;

    }

    /**

     * Get the cost for products and quantities

     *

     * @return for each product ID the unit cost

     */

    public Map<Long, BigDecimal> getUnitCost(Map<Long, Integer> productQties, TypePrice type) {

        final Map<Long, BigDecimal> result = new HashMap<Long, BigDecimal>();

        String fieldPrice = (type == TypePrice.ARTICLE_TARIF_FOURNISSEUR ? "PRIX_ACHAT_DEVISE_F" : "PRIX");

        String fieldDate = (type == TypePrice.ARTICLE_TARIF_FOURNISSEUR ? "DATE_PRIX" : "DATE");

        // get all costs

        final SQLTable costTable = root.getTable(type.name());

        final SQLSelect sel = new SQLSelect();

        sel.addSelect(costTable.getKey());

        sel.addSelect(costTable.getField("ID_ARTICLE"));

        sel.addSelect(costTable.getField("QTE"));

        sel.addSelect(costTable.getField(fieldPrice));

        sel.addSelect(costTable.getField(fieldDate));

        sel.setWhere(new Where(costTable.getField("ID_ARTICLE"), true, productQties.keySet()));

        sel.addFieldOrder(costTable.getField("QTE"));

        sel.addFieldOrder(costTable.getField(fieldDate));

        final SQLDataSource src = root.getDBSystemRoot().getDataSource();

        @SuppressWarnings("unchecked")

        final List<SQLRow> l = (List<SQLRow>) src.execute(sel.asString(), SQLRowListRSH.createFromSelect(sel));

        for (SQLRow sqlRow : l) {

            System.out.println(sqlRow.getID() + ":" + sqlRow.getAllValues());

        }

        final int size = l.size();

        for (Long id : productQties.keySet()) {

            BigDecimal cost = BigDecimal.ZERO;

            final int qty = productQties.get(id);

            for (int i = 0; i < size; i++) {

                final SQLRow row = l.get(i);

                if (row.getInt("ID_ARTICLE") == id.intValue()) {

                    // stop when the max qty is found

                    if (row.getLong("QTE") > qty) {

                        if (cost == null) {

                            cost = row.getBigDecimal(fieldPrice);

                        }

                        break;

                    }

                    cost = row.getBigDecimal(fieldPrice);

                }

            }

            if (cost == null) {

                cost = BigDecimal.ZERO;

            }

            result.put(id, cost);

        }

        return result;

    }

    /**

     *

     * @param items List de SQLRowAccessor avec ID_ARTICLE, QTE, QTE_UV

     * @return Map article qty

     */

    public List<ProductComponent> getChildWithQtyFrom(final List<ProductComponent> items) {

        return getChildWithQtyFrom(items, new HashSet<Integer>());

    }

    private List<ProductComponent> getChildWithQtyFrom(List<ProductComponent> items, Set<Integer> ancestors) {

        if (root.contains("ARTICLE_ELEMENT")) {

            int originalAncestorsSize = ancestors.size();

            List<ProductComponent> result = new ArrayList<ProductComponent>();

            // liste des ids parents

            final List<Integer> parentsArticleIDs = new ArrayList<Integer>();

            // Quantité par parents

            Map<Integer, ProductComponent> productCompByID = new HashMap<Integer, ProductComponent>();

            final Map<Integer, BigDecimal> qtyParent = new HashMap<Integer, BigDecimal>();

            for (ProductComponent p : items) {

                parentsArticleIDs.add(p.getProduct().getID());

                qtyParent.put(p.getProduct().getID(), p.getQty());

            }

            // get all childs

            final SQLTable costTable = root.getTable("ARTICLE_ELEMENT");

            SQLRowValues rowVals = new SQLRowValues(costTable);

            final SQLRowValues stockRowValues = rowVals.putRowValues("ID_ARTICLE").put("ID", null).put("GESTION_STOCK", null).put("CODE", null).put("NOM", null).putRowValues("ID_STOCK");

            stockRowValues.putNulls("QTE_TH", "QTE_RECEPT_ATTENTE", "QTE_REEL", "QTE_LIV_ATTENTE");

            rowVals.putRowValues("ID_ARTICLE_PARENT").put("ID", null);

            rowVals.put("QTE", null);

            rowVals.put("QTE_UNITAIRE", null);

            SQLRowValuesListFetcher fetcher = SQLRowValuesListFetcher.create(rowVals);

            fetcher.setSelTransf(new ITransformer<SQLSelect, SQLSelect>() {

                @Override

                public SQLSelect transformChecked(SQLSelect input) {

                    input.setWhere(new Where(costTable.getField("ID_ARTICLE_PARENT"), parentsArticleIDs));

                    return input;

                }

            });

            List<SQLRowValues> childs = fetcher.fetch();

            if (childs.size() > 0) {

                for (SQLRowValues childRowValues : childs) {

                    final SQLRowAccessor foreignArticleParent = childRowValues.getForeign("ID_ARTICLE_PARENT");

                    ProductComponent childComponent = ProductComponent.createFrom(childRowValues);

                    // Test pour éviter les boucles dans les boms

                    if (!ancestors.contains(childComponent.getProduct().getID())) {

                        ancestors.add(foreignArticleParent.getID());

                        // parentsArticleIDs.remove(foreignArticleParent.getID());

                        // Calcul de la quantité qte_unit * qte * qteMergedParent

                        childComponent.setQty(childComponent.getQty().multiply(qtyParent.get(foreignArticleParent.getID()), DecimalUtils.HIGH_PRECISION));

                        // Cumul des valeurs si l'article est présent plusieurs fois dans le bom

                        ProductComponent existProduct = productCompByID.get(childComponent.getProduct().getID());

                        if (existProduct == null) {

                            result.add(childComponent);

                            productCompByID.put(childComponent.getProduct().getID(), childComponent);

                        } else {

                            existProduct.addQty(childComponent.getQty());

                        }

                    }

                }

                // Recherche si un kit est présent parmis les articles

                final List<ProductComponent> bomFromChilds = getChildWithQtyFrom(new ArrayList(result), ancestors);

                // Merge des valeurs

                for (ProductComponent s : bomFromChilds) {

                    ProductComponent existProduct = productCompByID.get(s.getProduct().getID());

                    if (existProduct == null) {

                        result.add(s);

                        productCompByID.put(s.getProduct().getID(), s);

                    } else {

                        existProduct.addQty(s.getQty());

                    }

                }

            }

            // Ajout des articles présents dans l'ensemble de départ

            if (originalAncestorsSize == 0) {

                for (ProductComponent p : items) {

                    ProductComponent existProduct = productCompByID.get(p.getProduct().getID());

                    if (existProduct == null) {

                        result.add(p);

                        productCompByID.put(p.getProduct().getID(), p);

                    } else {

                        existProduct.addQty(p.getQty());

                    }

                }

            }

            // On supprime les ancestors (kits) du result

            for (Integer anc : ancestors) {

                ProductComponent comp = productCompByID.get(anc);

                if (comp != null) {

                    result.remove(comp);

                }

            }

            return result;

        } else {

            return items;

        }

    }

    public Map<Long, Integer> getBOM(Long productId) {

        final Map<Long, Integer> result = new HashMap<Long, Integer>();

        // get all costs

        final SQLTable costTable = root.getTable("ARTICLE_ELEMENT");

        final SQLSelect sel = new SQLSelect();

        sel.addSelect(costTable.getField("ID_ARTICLE"));

        sel.addSelect(costTable.getField("QTE"));

        sel.setWhere(new Where(costTable.getField("ID_ARTICLE_PARENT"), "=", productId));

        sel.addFieldOrder(costTable.getField("QTE"));

        final SQLDataSource src = root.getDBSystemRoot().getDataSource();

        @SuppressWarnings("unchecked")

        final List<SQLRow> l = (List<SQLRow>) src.execute(sel.asString(), SQLRowListRSH.createFromSelect(sel));

        final int size = l.size();

        for (int i = 0; i < size; i++) {

            final SQLRow row = l.get(i);

            final long id = row.getLong("ID_ARTICLE");

            Integer qte = result.get(id);

            if (qte == null) {

                qte = row.getInt("QTE");

            } else {

                qte = qte + row.getInt("QTE");

            }

            result.put(id, qte);

        }

        return result;

    }

    public enum TypePrice {

        ARTICLE_PRIX_REVIENT, ARTICLE_PRIX_MIN_VENTE, ARTICLE_PRIX_PUBLIC, ARTICLE_TARIF_FOURNISSEUR

    };

    public BigDecimal getBomPriceForQuantity(int qty, Collection<? extends SQLRowAccessor> rowValuesProductItems, TypePrice type) {

        final Map<Long, Integer> productQties = new HashMap<Long, Integer>();

        int count = rowValuesProductItems.size();

        for (SQLRowAccessor v : rowValuesProductItems) {

            if (v.getObject("ID_ARTICLE") != null) {

                System.out.println("id:" + v.getObject("ID_ARTICLE"));

                int id = v.getForeignID("ID_ARTICLE");

                int qte = v.getInt("QTE") * qty;

                Integer qteForId = productQties.get(Long.valueOf(id));

                if (qteForId == null) {

                    productQties.put(Long.valueOf(id), qte);

                } else {

                    productQties.put(Long.valueOf(id), qte + qteForId);

                }

            }

        }

        Map<Long, BigDecimal> costs = getUnitCost(productQties, type);

        BigDecimal cost = null;

        for (SQLRowAccessor v : rowValuesProductItems) {

            if (v.getObject("ID_ARTICLE") != null) {

                int id = v.getForeignID("ID_ARTICLE");

                int qte = v.getInt("QTE");

                final BigDecimal unitCost = costs.get(Long.valueOf(id));

                BigDecimal lineCost = unitCost.multiply(BigDecimal.valueOf(qte)).multiply(v.getBigDecimal("QTE_UNITAIRE"));

                if (cost == null) {

                    cost = BigDecimal.ZERO;

                }

                cost = cost.add(lineCost);

            }

        }

        return cost;

    }

    public BigDecimal getUnitCost(int id, int qty, TypePrice type) {

        Map<Long, Integer> productQties = new HashMap<Long, Integer>();

        productQties.put(Long.valueOf(id), Integer.valueOf(qty));

        final Map<Long, BigDecimal> unitCost = getUnitCost(productQties, type);

        System.out.println(">" + unitCost);

        return unitCost.get(Long.valueOf(id));

    }

    public Date getUnitCostDate(int id, int qty, TypePrice type) {

        Map<Long, Integer> productQties = new HashMap<Long, Integer>();

        productQties.put(Long.valueOf(id), Integer.valueOf(qty));

        final Map<Long, Date> unitCost = getUnitCostDate(productQties, type);

        System.out.println(">" + unitCost);

        return unitCost.get(Long.valueOf(id));

    }

    private Map<Long, Date> getUnitCostDate(Map<Long, Integer> productQties, TypePrice type) {

        final Map<Long, Date> result = new HashMap<Long, Date>();

        String fieldPrice = (type == TypePrice.ARTICLE_TARIF_FOURNISSEUR ? "PRIX_ACHAT_DEVISE_F" : "PRIX");

        String fieldDate = (type == TypePrice.ARTICLE_TARIF_FOURNISSEUR ? "DATE_PRIX" : "DATE");

        // get all costs

        final SQLTable costTable = root.getTable(type.name());

        final SQLSelect sel = new SQLSelect();

        sel.addSelect(costTable.getKey());

        sel.addSelect(costTable.getField("ID_ARTICLE"));

        sel.addSelect(costTable.getField("QTE"));

        sel.addSelect(costTable.getField(fieldPrice));

        sel.addSelect(costTable.getField(fieldDate));

        sel.setWhere(new Where(costTable.getField("ID_ARTICLE"), true, productQties.keySet()));

        sel.addFieldOrder(costTable.getField("QTE"));

        sel.addFieldOrder(costTable.getField(fieldDate));

        final SQLDataSource src = root.getDBSystemRoot().getDataSource();

        @SuppressWarnings("unchecked")

        final List<SQLRow> l = (List<SQLRow>) src.execute(sel.asString(), SQLRowListRSH.createFromSelect(sel));

        for (SQLRow sqlRow : l) {

            System.out.println(sqlRow.getID() + ":" + sqlRow.getAllValues());

        }

        final int size = l.size();

        for (Long id : productQties.keySet()) {

            Calendar cost = null;

            final int qty = productQties.get(id);

            for (int i = 0; i < size; i++) {

                final SQLRow row = l.get(i);

                if (row.getInt("ID_ARTICLE") == id.intValue()) {

                    // stop when the max qty is found

                    if (row.getLong("QTE") > qty) {

                        if (cost == null) {

                            cost = row.getDate("DATE");

                        }

                        break;

                    }

                    cost = row.getDate("DATE");

                }

            }

            if (cost != null)

                result.put(id, cost.getTime());

            else

                result.put(id, new Date());

        }

        return result;

    }

}