Merge branch 'master' into 'master'

Master

See merge request !2

README.md

-CouchDB databse management
\ No newline at end of file
+CouchDB databse management
+
+sample configuration file  'config.js'
\ No newline at end of file

config.js

+module.exports = [{
+        "user_name": "prodsupp_root",
+        "password": "3a2riAMMA0b39ejBrKzHYr1Og8xOt9g8",
+        "service_url": "vg_prodsupp_couchdb",
+        "service_port": 5984,
+        "db_name": "hellow"
+    },
+    {
+        "user_name": "prodsupp_root",
+        "password": "3a2riAMMA0b39ejBrKzHYr1Og8xOt9g8",
+        "service_url": "vg_prodsupp_couchdb",
+        "service_port": 5984,
+        "db_name": "_users"
+    },
+    {
+        "user_name": "prodsupp_root",
+        "password": "3a2riAMMA0b39ejBrKzHYr1Og8xOt9g8",
+        "service_url": "vg_prodsupp_couchdb",
+        "service_port": 5984,
+        "db_name": "hello",
+        "view_document": {
+            "_id": "_design/viewModel_views",
+            "views": {
+                "activeStatusCount": {
+                    "map": "function (doc) {\n   if(typeof(doc.active_status) === 'boolean'){\n emit([doc.active_status], 1)\n  }\n}",
+                    "reduce": "_count"
+                }
+            },
+            "updates": {
+                "add_update": "function(doc, req){ var reqb = JSON.parse(req.body); if (!doc){ return[ reqb, 'NEW DOC']; } else { reqb['_rev'] = doc['_rev']; return [reqb, 'UPDATE DOC'] }}"
+            },
+            "language": "javascript"
+        },
+        "index_document": {
+            "_id": "_design/indexes",
+            "language": "query",
+            "views": {
+                "position": {
+                    "map": {
+                        "fields": {
+                            "position": "desc "
+                        },
+                        "partial_filter_selector": {}
+                    },
+                    "reduce": "_count",
+                    "options": {
+                        "def": {
+                            "fields": ["position"]
+                        }
+                    }
+                }
+            }
+        },
+        "update_handler": {
+            "_id": "_design/handler",
+            "updates": {
+                "handler": "function(doc, req){ var reqb = JSON.parse(req.body); if (!doc){ var newDoc = { _id:req.uuid, type: reqb.type, origin_id: reqb.origin_id, locale: reqb.locale, values_translation: reqb.values_translation}; return[     newDoc, 'NEW DOC']; } else { return [reqb, 'UPDATE  DOC'] } }"
+            },
+            "language": "javascript"
+        }
+    }
+]
\ No newline at end of file

gitignore

+node_modules/*

index.js

+//const nano = require('nano')('http://' + couch_user + ':' + couch_password + '@vg_prodsupp_couchdb:5984');
+const hash = require('object-hash');
+const Schema = require("validate");
+
+function generateSchema() {
+    return new Promise(async (resolve, reject) => {
+        var schema = new Schema({
+            user_name: {
+                type: String,
+                required: true,
+            },
+            password: {
+                type: String,
+                required: true,
+            },
+            service_url: {
+                type: String,
+                required: true,
+            },
+            service_port: {
+                type: Number,
+                required: true
+            },
+            db_name: {
+                type: String,
+                required: true,
+            },
+        });
+        return resolve(schema);
+    });
+}
+
+function validateDbmodel(data) {
+    return new Promise(async (resolve, reject) => {
+        try {
+            var json = JSON.parse(JSON.stringify(data));
+            var schema = await generateSchema()
+            var error = await schema.validate(json);
+
+            if (error.length == 0) {
+                return resolve();
+            } else {
+                return reject('Model Validation error');
+            }
+        } catch (error) {
+            return reject(error);
+        }
+    });
+}
+
+function dbconnectionMaker(user, password, url, port) {
+    return new Promise(async (resolve, reject) => {
+        var nano = require('nano')('http://' + user + ':' + password + '@' + url + ':' + port);
+        return resolve(nano);
+    });
+}
+
+function checkDbexist(connection, db) {
+    return new Promise(async (resolve, reject) => {
+        connection.db.get(db).then((body) => {
+            return resolve(true);
+        }).catch(error => {
+            if (error.statusCode != undefined && error.statusCode == 404) {
+                return resolve(false);
+            } else {
+                return reject(error);
+            }
+        })
+    })
+}
+
+function dbcreate(connection, db) {
+    return new Promise(async (resolve, reject) => {
+        connection.db.create(db).then(async function (data) {
+            return resolve(data);
+        }).catch(error => {
+            return reject(error);
+        })
+    });
+
+}
+
+function selectDb(connection, dbname) {
+    return new Promise(async (resolve, reject) => {
+        var seletedDb = connection.db.use(dbname);
+        return resolve(seletedDb);
+    });
+}
+
+function checkDocumentExist(selectDb, id) {
+    return new Promise(async (resolve, reject) => {
+        selectDb.get(id).then((body) => {
+            // console.log(body);
+            return resolve(body)
+        }).catch(error => {
+
+            if (error.statusCode != undefined && error.statusCode == 404) {
+                return resolve(false);
+            } else {
+                return reject(error);
+            }
+
+        });
+
+
+    });
+
+
+}
+
+function insertDocument(selectDb, doc) {
+    return new Promise(async (resolve, reject) => {
+        selectDb
+            .insert(doc)
+            .then(insert => {
+                return resolve(insert);
+            }).catch(err => {
+                return reject(err);
+            });
+
+    });
+
+
+}
+
+module.exports = {
+    createDB: async function createDB(config) {
+        return new Promise(async (resolve, reject) => {
+            var infologs = [];
+            for (var i = 0; i < config.length; i++) {
+                var singleElement = config[i];
+
+                var viewinfodoc, indexinfodoc, updatehandleinfodoc, loopinfo = {};
+
+                try {
+
+                    try {
+                        await validateDbmodel(singleElement);
+                        loopinfo['db_name'] = singleElement.db_name
+                    } catch (error) {
+                        loopinfo['error'] = 'Db Model Validation Error';
+                        loopinfo['debug_info'] = error;
+                        infologs.push(loopinfo);
+                        continue;
+                    }
+
+                    var db = await dbconnectionMaker(singleElement.user_name, singleElement.password, singleElement.service_url, singleElement.service_port);
+                    try {
+                        var dbexist = await checkDbexist(db, singleElement.db_name);
+                        loopinfo['dbexist'] = true;
+                    } catch (error) {
+                        loopinfo['error'] = 'Db Exist check error';
+                        loopinfo['debug_info'] = error;
+                        infologs.push(loopinfo);
+                        continue;
+                    }
+
+
+                    if (dbexist == false) {
+                        loopinfo['dbexist'] = false;
+                        try {
+                            await dbcreate(db, singleElement.db_name);
+                            loopinfo['create db '] = true;
+                        } catch (error) {
+                            loopinfo['error'] = 'Db Create Error';
+                            loopinfo['debug_info'] = error;
+                            infologs.push(loopinfo);
+                            continue;
+                        }
+                        // db does not exist create new one 
+                    }
+
+                    var select_db = await selectDb(db, singleElement.db_name);
+                    /*  view_document */
+                    if (singleElement.view_document != undefined && singleElement.view_document._id != undefined) {
+                        try {
+                            var viewDoc = await checkDocumentExist(select_db, singleElement.view_document._id);
+                            if (viewDoc === false) {
+                                try {
+                                    var insertViewmodel = await insertDocument(select_db, singleElement.view_document);
+                                    viewinfodoc = 'Document not found insert as new';
+                                } catch (error) {
+                                    viewinfodoc = {
+                                        'error': 'Insert View model error 1',
+                                        "debug": error
+                                    };
+                                }
+                                //console.log('insertViewmodel :>> ', insertViewmodel);
+                            } else {
+                                var rev = viewDoc._rev;
+                                delete viewDoc._rev;
+                                var dbhash = hash(viewDoc);
+                                var viewModelhash = hash(singleElement.view_document);
+                                if (dbhash != viewModelhash) {
+                                    try {
+                                        singleElement.view_document._rev = rev;
+                                        var insertViewmodel = await insertDocument(select_db, singleElement.view_document);
+                                        console.log('insertViewmodel :>> ', insertViewmodel);
+                                        viewinfodoc = 'Document found  does not Equals to old one';
+                                    } catch (error) {
+                                        viewinfodoc = {
+                                            'error': 'Insert View model error 2',
+                                            "debug": error
+                                        };
+                                    }
+
+                                } else {
+                                    viewinfodoc = 'Document found Equals to old one';
+                                }
+                            }
+                            loopinfo['view_document'] = viewinfodoc;
+                        } catch (error) {
+                            loopinfo['error'] = 'view_document check exist error';
+                            loopinfo['debug_info'] = error;
+                        }
+                    }
+                    /* index_document   */
+                    if (singleElement.index_document != undefined && singleElement.index_document._id != undefined) {
+                        try {
+                            var doc = await checkDocumentExist(select_db, singleElement.index_document._id);
+                            if (doc === false) {
+                                try {
+                                    var insertViewmodel = await insertDocument(select_db, singleElement.index_document);
+                                    indexinfodoc = 'Document not found insert as new';
+                                    console.log('index_document :>> ', index_document);
+                                } catch (error) {
+                                    indexinfodoc = {
+                                        'error': 'Insert Index document error',
+                                        "debug": error
+                                    };
+                                }
+                            } else {
+                                var rev = doc._rev;
+                                delete doc._rev;
+                                var dbhash = hash(doc);
+                                var Modelhash = hash(singleElement.index_document);
+                                if (dbhash != Modelhash) {
+                                    try {
+                                        singleElement.index_document._rev = rev;
+                                        var insertmodel = await insertDocument(select_db, singleElement.index_document);
+                                        indexinfodoc = 'Document found  does not Equals to old one';
+                                        console.log('insertmodel :>> ', insertmodel);
+                                    } catch (error) {
+                                        indexinfodoc = {
+                                            'error': 'Insert View model error',
+                                            "debug": error
+                                        };
+                                    }
+                                } else {
+                                    indexinfodoc = 'Document found Equals to old one';
+                                }
+                            }
+                            loopinfo['index_document'] = indexinfodoc;
+                        } catch (error) {
+                            loopinfo['error'] = 'index_document check exist error';
+                            loopinfo['debug_info'] = error;
+                        }
+                    }
+                    /* update handler   */
+                    if (singleElement.update_handler != undefined && singleElement.update_handler._id != undefined) {
+                        //updatehandleinfodoc
+                        try {
+                            var doc = await checkDocumentExist(select_db, singleElement.update_handler._id);
+                            if (doc === false) {
+                                try {
+                                    var insertmodel = await insertDocument(select_db, singleElement.update_handler);
+                                    console.log('index_document :>> ', insertmodel);
+                                    updatehandleinfodoc = 'Document not found insert as new';
+                                } catch (error) {
+                                    updatehandleinfodoc = {
+                                        'error': 'Insert Update handler document error',
+                                        "debug": error
+                                    };
+                                }
+                            } else {
+                                var rev = doc._rev;
+                                delete doc._rev;
+                                var dbhash = hash(doc);
+                                var Modelhash = hash(singleElement.update_handler);
+                                if (dbhash != Modelhash) {
+                                    try {
+                                        singleElement.update_handler._rev = rev;
+                                        var insertmodel = await insertDocument(select_db, singleElement.update_handler);
+                                        console.log('insertmodel :>> ', insertmodel);
+                                        updatehandleinfodoc = 'Document found  does not Equals to old one';
+                                    } catch (error) {
+                                        updatehandleinfodoc = {
+                                            'error': 'Insert Update handler document error',
+                                            "debug": error
+                                        };
+                                    }
+                                } else {
+                                    updatehandleinfodoc = 'Document found Equals to old one';
+                                }
+                            }
+                        } catch (error) {
+                            loopinfo['error'] = 'Update handler check exist error';
+                            loopinfo['debug_info'] = error;
+                        }
+                        loopinfo['Update_handler_document'] = updatehandleinfodoc;
+                    }
+                    infologs.push(loopinfo);
+                } catch (error) {
+                    infologs.push({
+                        "db_name": singleElement.db_name,
+                        "error": error
+                    })
+                    console.log('error', error)
+                }
+            }
+            return resolve(infologs);
+        })
+    }
+}
\ No newline at end of file

models/db_model.js

+const Schema = require("validate");
+const model = new Schema({
+  user_name: {
+    type: String,
+    required: true,
+  },
+  password: {
+    type: String,
+    required: true,
+  },
+  service_url: {
+    type: String,
+    required: true,
+  },
+  service_port: {
+    type: Number,
+    required: true
+  },
+  db_name: {
+    type: String,
+    required: true,
+  },
+});
+module.exports = model;
\ No newline at end of file

package-lock.json

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+}

package.json

+{
+  "name": "couch_db_create",
+  "version": "1.0.0",
+  "description": "ls -l",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@gitlab.com/sachinda/npm_db_create.git"
+  },
+  "author": "Parywaylabs",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://gitlab.com/sachinda/npm_db_create/issues"
+  },
+  "homepage": "https://gitlab.com/sachinda/npm_db_create#readme",
+  "dependencies": {
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+    "object-hash": "^2.0.3",
+    "validate": "^5.1.0"
+  }
+}