Added helper scripts

Helper scripts to migrate schema for the mysql database.

Change-Id: Id598c398318967a117a4dbaa3dc21eab22b24d68
Signed-off-by: Kumar Rishabh <shailrishabh@gmail.com>

diff --git a/utils/test/vnfcatalogue/helpers/README.md b/utils/test/vnfcatalogue/helpers/README.md
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+# Helper Directory
+
+## Helper to migrate database
+
+First make sure nodejs and mysql are installed. Then use
+
+```bash
+npm install bookshelf mysql knex when lodash --save
+```
+
+Create a database named **vnf_catalogue**.
+Enter the mysql credentials in migrate.js.
+
+Then use
+
+```bash
+node migrate
+```
+
+If successful the script will return success message. The current script is
+idempotent is nature, if run twice it will just return error and write nothing.
+

diff --git a/utils/test/vnfcatalogue/helpers/migrate.js b/utils/test/vnfcatalogue/helpers/migrate.js
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+/*******************************************************************************
+ * Copyright (c) 2017 Kumar Rishabh(penguinRaider) and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+
+var knex = require('knex')({
+    client: 'mysql',
+    connection: {
+        host     : 'localhost',
+        user     : '*',
+        password : '*',
+        database : 'vnf_catalogue',
+        charset  : 'utf8'
+    }
+});
+var Schema = require('./schema');
+var sequence = require('when/sequence');
+var _ = require('lodash');
+function createTable(tableName) {
+    return knex.schema.createTable(tableName, function (table) {
+    var column;
+    var columnKeys = _.keys(Schema[tableName]);
+    _.each(columnKeys, function (key) {
+        if (Schema[tableName][key].type === 'text' && Schema[tableName][key].hasOwnProperty('fieldtype')) {
+        column = table[Schema[tableName][key].type](key, Schema[tableName][key].fieldtype);
+        }
+        else if (Schema[tableName][key].type === 'string' && Schema[tableName][key].hasOwnProperty('maxlength')) {
+        column = table[Schema[tableName][key].type](key, Schema[tableName][key].maxlength);
+        }
+        else {
+        column = table[Schema[tableName][key].type](key);
+        }
+        if (Schema[tableName][key].hasOwnProperty('nullable') && Schema[tableName][key].nullable === true) {
+        column.nullable();
+        }
+        else {
+        column.notNullable();
+        }
+        if (Schema[tableName][key].hasOwnProperty('primary') && Schema[tableName][key].primary === true) {
+        column.primary();
+        }
+        if (Schema[tableName][key].hasOwnProperty('unique') && Schema[tableName][key].unique) {
+        column.unique();
+        }
+        if (Schema[tableName][key].hasOwnProperty('unsigned') && Schema[tableName][key].unsigned) {
+        column.unsigned();
+        }
+        if (Schema[tableName][key].hasOwnProperty('references')) {
+        column.references(Schema[tableName][key].references);
+        }
+        if (Schema[tableName][key].hasOwnProperty('defaultTo')) {
+        column.defaultTo(Schema[tableName][key].defaultTo);
+        }
+    });
+    });
+}
+function createTables () {
+    var tables = [];
+    var tableNames = _.keys(Schema);
+    tables = _.map(tableNames, function (tableName) {
+    return function () {
+        return createTable(tableName);
+    };
+    });
+    return sequence(tables);
+}
+createTables()
+.then(function() {
+    console.log('Tables created!!');
+    process.exit(0);
+})
+.catch(function (error) {
+    throw error;
+});

diff --git a/utils/test/vnfcatalogue/helpers/schema.js b/utils/test/vnfcatalogue/helpers/schema.js
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+++ b/utils/test/vnfcatalogue/helpers/schema.js
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+/*******************************************************************************
+ * Copyright (c) 2017 Kumar Rishabh(penguinRaider) and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+var Schema = {
+    photo: {
+        photo_id: {type: 'increments', nullable: false, primary: true},
+        photo_url: {type: 'string', maxlength: 254, nullable: false}
+    },
+    user: {
+        user_id: {type: 'increments', nullable: false, primary: true},
+        user_name: {type: 'string', maxlength: 254, nullable: false},
+        password: {type: 'string', maxlength: 150, nullable: false},
+        email_id: {type: 'string', maxlength: 254, nullable: false, unique: true, validations: {isEmail: true}},
+        photo_id: {type: 'integer', nullable: true, unsigned: true, references: 'photo.photo_id'},
+        company: {type: 'string', maxlength: 254, nullable: false},
+        introduction: {type: 'string', maxlength: 510, nullable: false},
+        last_login: {type: 'dateTime', nullable: true},
+        created_at: {type: 'dateTime', nullable: false},
+    },
+    vnf: {
+        vnf_id: {type: 'increments', nullable: false, primary: true},
+        vnf_name: {type: 'string', maxlength: 254, nullable: false},
+        repo_url: {type: 'string', maxlength: 254, nullable: false},
+        photo_id: {type: 'integer', nullable: true, unsigned: true, references: 'photo.photo_id'},
+        submitter_id: {type: 'integer', nullable: false, unsigned: true, references: 'user.user_id'},
+        lines_of_code: {type: 'integer', nullable: true, unsigned: true},
+        versions: {type: 'integer', nullable: true, unsigned: true},
+        no_of_developers: {type: 'integer', nullable: true, unsigned: true},
+    },
+    tag: {
+        tag_id: {type: 'increments', nullable: false, primary: true},
+        name: {type: 'string', maxlength: 150, nullable: false}
+    },
+    vnf_tags: {
+        vnf_tag_id: {type: 'increments', nullable: false, primary: true},
+        tag_id: {type: 'integer', nullable: false, unsigned: true, references: 'tag.tag_id'},
+        vnf_id: {type: 'integer', nullable: false, unsigned: true, references: 'vnf.vnf_id'},
+    },
+    vnf_contributors: {
+        vnf_contributors_id: {type: 'increments', nullable: false, primary: true},
+        user_id: {type: 'integer', nullable: false, unsigned: true, references: 'user.user_id'},
+        vnf_id: {type: 'integer', nullable: false, unsigned: true, references: 'vnf.vnf_id'},
+        created_at: {type: 'dateTime', nullable: false},
+    }
+};
+module.exports = Schema;