sesi 3

app.js

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+const bodyParser = require('body-parser');
+const ejs = require('ejs');
+const express = require('express');
+const app = express();
+
+const index = require('./routes/index')
+const supplier = require('./routes/supplier')
+const item = require('./routes/item')
+
+app.use(bodyParser.urlencoded({extended: false}))
+app.use(bodyParser.json())
+
+app.set("view engine", "ejs")
+
+app.use('/', index)
+app.use('/suppliers', supplier)
+app.use('/items', item)
+
+app.listen(2600, (err) => {
+  if (err) {
+    console.log(err);
+  } else {
+    console.log("Im running on port 2600");
+  }
+})

config/config.json

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+{
+  "development": {
+    "username": "postgres",
+    "password": "postgres",
+    "database": "finallivecode",
+    "host": "localhost",
+    "dialect": "postgres"
+  },
+  "test": {
+    "username": "root",
+    "password": null,
+    "database": "database_test",
+    "host": "127.0.0.1",
+    "dialect": "mysql"
+  },
+  "production": {
+    "username": "root",
+    "password": null,
+    "database": "database_production",
+    "host": "127.0.0.1",
+    "dialect": "mysql"
+  }
+}

migrations/20171012062109-create-item.js

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+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Items', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      name: {
+        type: Sequelize.STRING
+      },
+      brand: {
+        type: Sequelize.STRING
+      },
+      codeitem: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: true,
+        type: Sequelize.DATE,
+        default: new Date()
+      },
+      updatedAt: {
+        allowNull: true,
+        type: Sequelize.DATE,
+        default: new Date()
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Items');
+  }
+};

migrations/20171012063055-create-supplier.js

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+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Suppliers', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      name: {
+        type: Sequelize.STRING
+      },
+      kota: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: true,
+        type: Sequelize.DATE,
+        default: new Date()
+      },
+      updatedAt: {
+        allowNull: true,
+        type: Sequelize.DATE,
+        default: new Date()
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Suppliers');
+  }
+};

migrations/20171012091058-create-supplier-item.js

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+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('SupplierItems', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      supplierId: {
+        type: Sequelize.INTEGER
+      },
+      itemId: {
+        type: Sequelize.INTEGER
+      },
+      price: {
+        type: Sequelize.INTEGER
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('SupplierItems');
+  }
+};

models/index.js

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+'use strict';
+
+var fs        = require('fs');
+var path      = require('path');
+var Sequelize = require('sequelize');
+var basename  = path.basename(__filename);
+var env       = process.env.NODE_ENV || 'development';
+var config    = require(__dirname + '/../config/config.json')[env];
+var db        = {};
+
+if (config.use_env_variable) {
+  var sequelize = new Sequelize(process.env[config.use_env_variable]);
+} else {
+  var sequelize = new Sequelize(config.database, config.username, config.password, config);
+}
+
+fs
+  .readdirSync(__dirname)
+  .filter(file => {
+    return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
+  })
+  .forEach(file => {
+    var model = sequelize['import'](path.join(__dirname, file));
+    db[model.name] = model;
+  });
+
+Object.keys(db).forEach(modelName => {
+  if (db[modelName].associate) {
+    db[modelName].associate(db);
+  }
+});
+
+db.sequelize = sequelize;
+db.Sequelize = Sequelize;
+
+module.exports = db;

models/item.js

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+'use strict';
+module.exports = (sequelize, DataTypes) => {
+  var Item = sequelize.define('Item', {
+    name: DataTypes.STRING,
+    brand: DataTypes.STRING,
+    codeitem: {
+      type: DataTypes.STRING,
+      validate: {
+        is: {
+          args: /(HP|SW|LP)\d{4}/,
+          msg: "Code Item harus diawali dengan HP / SW / LP dan diikuti dengan 4 digit angka"
+        },
+        isUnique: function(value, next) {
+                    console.log(this.id);
+                    Item.find({
+                        where: {
+                          codeitem: value,
+                          id: {
+                            [sequelize.Op.not]: this.id
+                          }
+                        }
+                    }).then(function(error) {
+                        if (error) {
+                          return next('Code Item harus Unik');
+                        } else{
+                          return next();
+                        }
+                    })
+                  }
+      }
+    }
+  });
+
+  Item.associate = model =>{
+    Item.belongsToMany(model.Supplier, {through: "SupplierItem", foreignKey: "itemId"})
+    Item.hasMany(model.SupplierItem, {foreignKey: "itemId"})
+  }
+
+  return Item;
+};

models/supplier.js

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+'use strict';
+module.exports = (sequelize, DataTypes) => {
+  var Supplier = sequelize.define('Supplier', {
+    name: DataTypes.STRING,
+    kota: DataTypes.STRING
+  });
+
+  Supplier.associate =  model =>{
+    Supplier.belongsToMany(model.Item, {through: "SupplierItem", foreignKey: "supplierId"})
+    Supplier.hasMany(model.SupplierItem, {foreignKey: "supplierId"})
+  }
+  return Supplier;
+};

models/supplieritem.js

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+'use strict';
+module.exports = (sequelize, DataTypes) => {
+  var SupplierItem = sequelize.define('SupplierItem', {
+    supplierId: {
+      type: DataTypes.INTEGER,
+      references: {
+        model: "Supplier",
+        key: "id"
+      }
+    },
+    itemId: {
+      type: DataTypes.INTEGER,
+      references: {
+        model: "Item",
+        key: "id"
+      }
+    },
+    price: DataTypes.INTEGER
+  });
+
+  SupplierItem.associate = model =>{
+    SupplierItem.belongsTo(model.Supplier, {foreignKey: "supplierId"})
+    SupplierItem.belongsTo(model.Item, {foreignKey: "itemId"})
+  }
+  return SupplierItem;
+};