initial commit

app.js

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+const express = require('express')
+const bodyParser = require('body-parser')
+const app = express()
+const db = require('./models')
+
+// parse application/x-www-form-urlencoded
+app.use(bodyParser.urlencoded({ extended: false }))
+
+// parse application/json
+app.use(bodyParser.json())
+
+app.set('views', './views')//renderer
+app.set('view engine', 'ejs');
+
+const teacher = require('./router/teacher')
+const subject = require('./router/subject')
+const student = require('./router/student');
+
+app.use('/teachers', teacher)
+app.use('/subjects', subject)
+app.use('/students', student)
+
+app.listen(3000, function () {
+  db.sequelize.sync();
+  console.log('Example app listening on port 3000!')
+})

config/config.json

@@ -0,0 +1,9 @@
+{
+  "development": {
+    "username": "postgres",
+    "password": "postgres",
+    "database": "skull",
+    "host": "127.0.0.1",
+    "dialect": "postgres"
+  }
+}

helpers/score_to_abc.js

@@ -0,0 +1,15 @@
+function scoreToABC (obj){
+  if(obj > 85){
+    return 'A'
+  }else if(obj > 70 && obj <= 85){
+    return 'B'
+  }else if(obj > 55 && obj <= 70){
+    return 'C'
+  }else if(obj > 30 && obj <= 55){
+    return 'D'
+  }else{
+    return null
+  }
+}
+
+module.exports = scoreToABC

migrations/20171102123807-create-teacher.js

@@ -0,0 +1,30 @@
+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Teachers', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      first_name: {
+        type: Sequelize.STRING
+      },
+      last_name: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Teachers');
+  }
+};

migrations/20171102134031-create-subject.js

@@ -0,0 +1,27 @@
+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Subjects', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      subject_name: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Subjects');
+  }
+};

migrations/20171102135756-add-new-email-to-user.js

@@ -0,0 +1,25 @@
+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    queryInterface.addColumn( 'Teachers', 'email', Sequelize.STRING );
+    /*
+      Add altering commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.createTable('users', { id: Sequelize.INTEGER });
+    */
+  },
+
+  down: (queryInterface, Sequelize) => {
+    queryInterface.removeColumn( 'Teachers', 'email', Sequelize.STRING );
+    /*
+      Add reverting commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.dropTable('users');
+    */
+  }
+};

migrations/20171103135859-create-student.js

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+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('Students', {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      first_name: {
+        type: Sequelize.STRING
+      },
+      last_name: {
+        type: Sequelize.STRING
+      },
+      email: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('Students');
+  }
+};

migrations/20171105112548-add-subjectid-to-teacher.js

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+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    queryInterface.addColumn( 'Teachers', 'Subject_Id', Sequelize.INTEGER );
+    /*
+      Add altering commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.createTable('users', { id: Sequelize.INTEGER });
+    */
+  },
+
+  down: (queryInterface, Sequelize) => {
+    queryInterface.removeColumn( 'Teachers', 'Subject_Id', Sequelize.INTEGER );
+    /*
+      Add reverting commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.dropTable('users');
+    */
+  }
+};

migrations/20171106060404-create-conj-student-subject.js

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

migrations/20171106065911-create-subject-student.js

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

migrations/20171106120322-add-score-to-subjectstudent.js

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+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    queryInterface.addColumn( 'SubjectStudents', 'Score', Sequelize.INTEGER);
+    /*
+      Add altering commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.createTable('users', { id: Sequelize.INTEGER });
+    */
+  },
+
+  down: (queryInterface, Sequelize) => {
+    queryInterface.removeColumn( 'SubjectStudents', 'Score', Sequelize.INTEGER);
+    /*
+      Add reverting commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.dropTable('users');
+    */
+  }
+};

models/conjstudentsubject.js

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+'use strict';
+module.exports = (sequelize, DataTypes) => {
+  var ConjStudentSubject = sequelize.define('ConjStudentSubject', {
+    StudentId: DataTypes.INTEGER,
+    SubjejectId: DataTypes.INTEGER
+  }, {
+    classMethods: {
+      associate: function(models) {
+        // associations can be defined here
+      }
+    }
+  });
+  return ConjStudentSubject;
+};

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/student.js

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+'use strict';
+module.exports = (sequelize, DataTypes) => {
+  var Student = sequelize.define('Student', {
+    first_name: {
+      type: DataTypes.STRING,
+      validate: {
+        isAlpha: {msg: 'No number in your name right?'},
+        notEmpty: {msg: 'How should i call you?'}
+      }
+    },
+    last_name: {
+      type: DataTypes.STRING,
+      validate: {
+        isAlpha: {msg: 'No number in your name right?'},
+        notEmpty: {msg: 'How should i call you?'}
+      }
+    },
+    email: {
+      type: DataTypes.STRING,
+      validate: {
+        isEmail: {msg: 'Email format should be like this: [user]@[domainname].[domain]'}
+      }
+    }
+  }, {
+    classMethods: {
+      associate: function(models) {
+        // associations can be defined here
+      }
+    }
+  });
+
+  Student.prototype.gabungNama = function(){
+    return `${this.first_name} ${this.last_name}`
+  }
+
+  Student.associate = function(models){
+    Student.belongsToMany(models.Subject, {through: 'SubjectStudent'})
+    Student.hasMany(models.SubjectStudent)
+  }
+
+  return Student;
+};