feat(core): now retrieves classes properly

This commit is contained in:
2018-01-14 17:32:04 +01:00
parent e2d12f8c9c
commit d2ca108ef8
21 changed files with 484 additions and 398 deletions

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@ -1,3 +1,3 @@
export * from './smartdata.classes.db'
export * from './smartdata.classes.dbcollection'
export * from './smartdata.classes.dbdoc'
export * from "./smartdata.classes.db";
export * from "./smartdata.classes.dbtable";
export * from "./smartdata.classes.dbdoc";

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@ -1,41 +1,47 @@
import * as plugins from './smartdata.plugins'
import { Objectmap } from 'lik'
import * as plugins from "./smartdata.plugins";
import { Objectmap } from "lik";
import { DbTable } from './smartdata.classes.dbcollection'
import { DbTable } from "./smartdata.classes.dbtable";
import { Connection as dbConnection, ConnectionOptions } from 'rethinkdb'
import { Connection as dbConnection, ConnectionOptions } from "rethinkdb";
/**
* interface - indicates the connection status of the db
*/
export type TConnectionStatus = 'initial' | 'disconnected' | 'connected' | 'failed'
export type TConnectionStatus =
| "initial"
| "disconnected"
| "connected"
| "failed";
export class Db {
dbName: string
connectionOptions: plugins.rethinkDb.ConnectionOptions
dbConnection: plugins.rethinkDb.Connection
status: TConnectionStatus
dbTablesMap = new Objectmap<DbTable<any>>()
dbName: string;
connectionOptions: plugins.rethinkDb.ConnectionOptions;
dbConnection: plugins.rethinkDb.Connection;
status: TConnectionStatus;
dbTablesMap = new Objectmap<DbTable<any>>();
constructor(connectionOptionsArg: ConnectionOptions) {
this.dbName = connectionOptionsArg.db
this.connectionOptions = connectionOptionsArg
this.status = 'initial'
this.dbName = connectionOptionsArg.db;
this.connectionOptions = connectionOptionsArg;
this.status = "initial";
}
/**
* supply additional SSl options
* supply additional SSl options needed to connect to certain Rethink DB servers (e.g. compose.io)
*/
setSsl (certificateStringArg: string, formatArg: 'base64' | 'clearText') {
let certificateString: string
if(formatArg = 'base64') {
certificateString = plugins.smartstring.base64.decode(certificateStringArg)
setSsl(certificateStringArg: string, formatArg: "base64" | "clearText") {
let certificateString: string;
if ((formatArg = "base64")) {
certificateString = plugins.smartstring.base64.decode(
certificateStringArg
);
} else {
certificateString = certificateStringArg
certificateString = certificateStringArg;
}
this.connectionOptions['ssl'] = {
this.connectionOptions["ssl"] = {
ca: Buffer.from(certificateString)
}
};
}
// basic connection stuff ----------------------------------------------
@ -43,37 +49,37 @@ export class Db {
/**
* connects to the database that was specified during instance creation
*/
async connect (): Promise<any> {
this.dbConnection = await plugins.rethinkDb.connect(this.connectionOptions)
this.dbConnection.use(this.dbName)
this.status = 'connected'
plugins.beautylog.ok(`Connected to database ${this.dbName}`)
async connect(): Promise<any> {
this.dbConnection = await plugins.rethinkDb.connect(this.connectionOptions);
this.dbConnection.use(this.dbName);
this.status = "connected";
plugins.beautylog.ok(`Connected to database ${this.dbName}`);
}
/**
* closes the connection to the databse
*/
async close (): Promise<any> {
await this.dbConnection.close()
this.status = 'disconnected'
plugins.beautylog.ok(`disconnected from database ${this.dbName}`)
async close(): Promise<any> {
await this.dbConnection.close();
this.status = "disconnected";
plugins.beautylog.ok(`disconnected from database ${this.dbName}`);
}
// handle table to class distribution
addTable(dbTableArg: DbTable<any>) {
this.dbTablesMap.add(dbTableArg);
}
/**
* Gets a table's name and returns smartdata's DbTable class
* @param nameArg
* @returns DbTable
*/
async getDbTableByName<T>(nameArg: string): Promise<DbTable<T>> {
let resultCollection = this.dbTablesMap.find((dbCollectionArg) => {
return dbCollectionArg.tableName === nameArg
})
return resultCollection
}
addTable (dbCollectionArg: DbTable<any>) {
this.dbTablesMap.add(dbCollectionArg)
let resultCollection = this.dbTablesMap.find(dbTableArg => {
return dbTableArg.tableName === nameArg;
});
return resultCollection;
}
}

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@ -1,119 +0,0 @@
import * as plugins from './smartdata.plugins'
import { Db } from './smartdata.classes.db'
import { DbDoc } from './smartdata.classes.dbdoc'
// RethinkDb Interfaces
import { WriteResult, Cursor } from 'rethinkdb'
export interface IFindOptions {
limit?: number
}
export interface IDocValidation<T> {
(doc: T): boolean
}
export function Collection (db: Db) {
return function (constructor) {
constructor[ 'dbCollection' ] = new DbTable(constructor, db)
}
}
export class DbTable<T> {
/**
* the collection that is used, defaults to mongodb collection,
* can be nedb datastore (sub api of mongodb)
*/
table: plugins.rethinkDb.Table
objectValidation: IDocValidation<T> = null
tableName: string
db: Db
constructor (collectedClassArg: T & DbDoc<T>, dbArg: Db) {
// tell the collection where it belongs
this.tableName = collectedClassArg.name
this.db = dbArg
// tell the db class about it (important since Db uses different systems under the hood)
this.db.addTable(this)
}
async init() {
if(!this.table) {
// connect this instance to a RethinkDB table
const availableTables = await plugins.rethinkDb
.db(this.db.dbName)
.tableList()
.run(this.db.dbConnection)
if(availableTables.indexOf(this.tableName)) {
await plugins.rethinkDb
.db(this.db.dbName)
.tableCreate(this.tableName)
.run(this.db.dbConnection)
}
}
this.table = plugins.rethinkDb.table(this.tableName)
}
/**
* adds a validation function that all newly inserted and updated objects have to pass
*/
addDocValidation (funcArg: IDocValidation<T>) {
this.objectValidation = funcArg
}
/**
* finds an object in the DbCollection
*/
async find (): Promise<Cursor> {
await this.init()
return await plugins.rethinkDb.table(this.tableName).filter({
/* TODO: */
}).run(this.db.dbConnection)
}
/**
* create an object in the database
*/
async insert (dbDocArg: T & DbDoc<T>): Promise<WriteResult> {
await this.init()
await this.checkDoc(dbDocArg)
return await plugins.rethinkDb.table(this.tableName).insert(
dbDocArg.createSavableObject()
).run(this.db.dbConnection)
}
/**
* inserts object into the DbCollection
*/
async update (dbDocArg: T & DbDoc<T>): Promise<WriteResult> {
await this.init()
await this.checkDoc(dbDocArg)
console.log(this.tableName, dbDocArg.createSavableObject())
return await plugins.rethinkDb.table(this.tableName).update(
dbDocArg.createSavableObject()
).run(this.db.dbConnection)
}
/**
* checks a Doc for constraints
* if this.objectValidation is not set it passes.
*/
private checkDoc (docArg: T): Promise<void> {
let done = plugins.smartq.defer<void>()
let validationResult = true
if (this.objectValidation) {
validationResult = this.objectValidation(docArg)
}
if (validationResult) {
done.resolve()
} else {
done.reject('validation of object did not pass')
}
return done.promise
}
extractKey (writeResult: WriteResult) {
}
}

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@ -1,74 +1,99 @@
import * as plugins from './smartdata.plugins'
import * as plugins from "./smartdata.plugins";
import { Objectmap } from 'lik'
import { Objectmap } from "lik";
import { Db } from './smartdata.classes.db'
import { DbTable } from './smartdata.classes.dbcollection'
import { Db } from "./smartdata.classes.db";
import { DbTable } from "./smartdata.classes.dbtable";
export type TDocCreation = 'db' | 'new' | 'mixed'
export type TDocCreation = "db" | "new" | "mixed";
/**
* saveable - saveable decorator to be used on class properties
*/
export function svDb() {
return (target: DbDoc<any>, key: string) => {
console.log('called sva')
if (!target.saveableProperties) { target.saveableProperties = [] }
target.saveableProperties.push(key)
}
console.log("called sva");
if (!target.saveableProperties) {
target.saveableProperties = [];
}
target.saveableProperties.push(key);
};
}
export class DbDoc<T> {
/**
* the collection object an Doc belongs to
*/
collection: DbTable<T>
collection: DbTable<T>;
/**
* how the Doc in memory was created, may prove useful later.
*/
creationStatus: TDocCreation = 'new'
creationStatus: TDocCreation = "new";
/**
* an array of saveable properties of a doc
*/
saveableProperties: string[]
saveableProperties: string[];
/**
* name
*/
name: string
name: string;
/**
* primary id in the database
*/
dbId: string
dbId: string;
/**
* class constructor
*/
constructor () {
this.name = this.constructor['name']
this.collection = this.constructor[ 'dbCollection' ]
constructor() {
this.name = this.constructor["name"];
this.collection = this.constructor["dbTable"];
}
static async getInstances<T>(filterArg): Promise<T[]> {
let self: any = this; // fool typesystem
let referenceTable: DbTable<T> = self.dbTable;
const foundDocs = await referenceTable.find(filterArg);
const returnArray = [];
for (let item of foundDocs) {
let newInstance = new this();
for (let key in item) {
if(key !== 'id') {
newInstance[key] = item[key];
}
}
returnArray.push(newInstance);
}
return returnArray;
}
static async getInstance<T>(filterArg): Promise<T> {
let result = await this.getInstances<T>(filterArg)
if(result && result.length > 0) {
return result[0]
}
}
/**
* saves this instance but not any connected items
* may lead to data inconsistencies, but is faster
*/
async save () {
let self: any = this
async save() {
let self: any = this;
switch (this.creationStatus) {
case 'db':
await this.collection.update(self)
break
case 'new':
let writeResult = await this.collection.insert(self)
this.creationStatus = 'db'
case "db":
await this.collection.update(self);
break;
case "new":
let writeResult = await this.collection.insert(self);
this.creationStatus = "db";
break;
default:
console.error('neither new nor in db?')
console.error("neither new nor in db?");
}
}
@ -76,25 +101,25 @@ export class DbDoc<T> {
* also store any referenced objects to DB
* better for data consistency
*/
saveDeep (savedMapArg: Objectmap<DbDoc<any>> = null) {
saveDeep(savedMapArg: Objectmap<DbDoc<any>> = null) {
if (!savedMapArg) {
savedMapArg = new Objectmap<DbDoc<any>>()
savedMapArg = new Objectmap<DbDoc<any>>();
}
savedMapArg.add(this)
this.save()
savedMapArg.add(this);
this.save();
for (let propertyKey in this) {
let property: any = this[ propertyKey ]
let property: any = this[propertyKey];
if (property instanceof DbDoc && !savedMapArg.checkForObject(property)) {
property.saveDeep(savedMapArg)
property.saveDeep(savedMapArg);
}
}
}
createSavableObject () {
let saveableObject: any = {} // is not exposed to outside, so any is ok here
createSavableObject() {
let saveableObject: any = {}; // is not exposed to outside, so any is ok here
for (let propertyNameString of this.saveableProperties) {
saveableObject[ propertyNameString ] = this[ propertyNameString ]
saveableObject[propertyNameString] = this[propertyNameString];
}
return saveableObject
return saveableObject;
}
}

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@ -0,0 +1,127 @@
import * as plugins from "./smartdata.plugins";
import { Db } from "./smartdata.classes.db";
import { DbDoc } from "./smartdata.classes.dbdoc";
// RethinkDb Interfaces
import { WriteResult, Cursor } from "rethinkdb";
export interface IFindOptions {
limit?: number;
}
/**
*
*/
export interface IDocValidationFunc<T> {
(doc: T): boolean;
}
/**
* This is a decorator that will tell the decorated class what dbTable to use
* @param db
*/
export function Table(db: Db) {
return function(constructor) {
constructor["dbTable"] = new DbTable(constructor, db);
};
}
export class DbTable<T> {
/**
* the collection that is used
*/
table: plugins.rethinkDb.Table;
objectValidation: IDocValidationFunc<T> = null;
tableName: string;
db: Db;
constructor(collectedClassArg: T & DbDoc<T>, dbArg: Db) {
// tell the collection where it belongs
this.tableName = collectedClassArg.name;
this.db = dbArg;
// tell the db class about it (important since Db uses different systems under the hood)
this.db.addTable(this);
}
async init() {
if (!this.table) {
// connect this instance to a RethinkDB table
const availableTables = await plugins.rethinkDb
.db(this.db.dbName)
.tableList()
.run(this.db.dbConnection);
if (availableTables.indexOf(this.tableName)) {
await plugins.rethinkDb
.db(this.db.dbName)
.tableCreate(this.tableName)
.run(this.db.dbConnection);
}
}
this.table = plugins.rethinkDb.table(this.tableName);
}
/**
* adds a validation function that all newly inserted and updated objects have to pass
*/
addDocValidation(funcArg: IDocValidationFunc<T>) {
this.objectValidation = funcArg;
}
/**
* finds an object in the DbCollection
*/
async find(filterObject: any): Promise<any> {
await this.init();
let cursor = await plugins.rethinkDb
.table(this.tableName)
.filter(filterObject)
.run(this.db.dbConnection);
return await cursor.toArray();
}
/**
* create an object in the database
*/
async insert(dbDocArg: T & DbDoc<T>): Promise<WriteResult> {
await this.init();
await this.checkDoc(dbDocArg);
return await plugins.rethinkDb
.table(this.tableName)
.insert(dbDocArg.createSavableObject())
.run(this.db.dbConnection);
}
/**
* inserts object into the DbCollection
*/
async update(dbDocArg: T & DbDoc<T>): Promise<WriteResult> {
await this.init();
await this.checkDoc(dbDocArg);
console.log(this.tableName, dbDocArg.createSavableObject());
return await plugins.rethinkDb
.table(this.tableName)
.update(dbDocArg.createSavableObject())
.run(this.db.dbConnection);
}
/**
* checks a Doc for constraints
* if this.objectValidation is not set it passes.
*/
private checkDoc(docArg: T): Promise<void> {
let done = plugins.smartq.defer<void>();
let validationResult = true;
if (this.objectValidation) {
validationResult = this.objectValidation(docArg);
}
if (validationResult) {
done.resolve();
} else {
done.reject("validation of object did not pass");
}
return done.promise;
}
extractKey(writeResult: WriteResult) {}
}

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@ -1,15 +1,8 @@
import * as assert from 'assert'
import * as beautylog from 'beautylog'
import * as lodash from 'lodash'
import * as rethinkDb from 'rethinkdb'
import * as smartq from 'smartq'
import * as smartstring from 'smartstring'
import * as assert from "assert";
import * as beautylog from "beautylog";
import * as lodash from "lodash";
import * as rethinkDb from "rethinkdb";
import * as smartq from "smartq";
import * as smartstring from "smartstring";
export {
assert,
beautylog,
lodash,
smartq,
rethinkDb,
smartstring
}
export { assert, beautylog, lodash, smartq, rethinkDb, smartstring };