implenting dbDoc

ts/index.ts

@@ -1,4 +1,5 @@
 import * as plugins from './smartdata.plugins'
 
-export * from './smartdata.classes.dbcollection'
 export * from './smartdata.classes.db'
+export * from './smartdata.classes.dbcollection'
+export * from './smartdata.classes.dbdoc'

ts/smartdata.classes.db.ts

@@ -1,4 +1,7 @@
 import * as plugins from './smartdata.plugins'
+import { Objectmap } from 'lik'
+
+import { DbCollection } from './smartdata.classes.dbcollection'
 
 export type TConnectionStatus = 'disconnected' | 'connected' | 'failed'
 
@@ -6,11 +9,17 @@ export class Db {
     dbUrl: string
     db: plugins.mongodb.Db
     status: TConnectionStatus
+    collections = new Objectmap<DbCollection<any>>()
 
     constructor(dbUrl: string) {
         this.dbUrl = dbUrl
     }
 
+    // basic connection stuff ----------------------------------------------
+
+    /**
+     * connects to the database that was specified during instance creation
+     */
     connect(): plugins.q.Promise<any> {
         let done = plugins.q.defer()
         plugins.mongodb.MongoClient.connect(this.dbUrl, (err, db) => {
@@ -23,6 +32,9 @@ export class Db {
         return done.promise
     }
 
+    /**
+     * closes the connection to the databse
+     */
     close(): plugins.q.Promise<any> {
         let done = plugins.q.defer()
         this.db.close()
@@ -30,4 +42,20 @@ export class Db {
         done.resolve()
         return done.promise
     }
+
+    // advanced communication with the database --------------------------------
+
+    /**
+     * gets a collection by name: string
+     */
+    getCollectionByName<T>(nameArg: string): plugins.q.Promise<DbCollection<T>> {
+        let done = plugins.q.defer<DbCollection<any>>()
+        let resultCollection = this.collections.find((dbCollectionArg) => {
+            return dbCollectionArg.name === nameArg
+        })
+        if (resultCollection !== null) {
+            done.resolve(resultCollection)
+        }
+        return done.promise
+    };
 }

ts/smartdata.classes.dbcollection.ts

@@ -1,9 +1,15 @@
 import * as plugins from './smartdata.plugins'
 import { Db } from './smartdata.classes.db'
 
+export interface IFindOptions {
+    limit?: number
+}
+
 export class DbCollection<T> {
     collection: plugins.mongodb.Collection
+    name: string
     constructor(nameArg: string, dbArg: Db) {
+        this.name = nameArg
         this.collection = dbArg.db.collection(nameArg)
     }
 
@@ -15,9 +21,13 @@ export class DbCollection<T> {
     /**
      * finds an object in the DbCollection
      */
-    find(docMatchArg: T | any): plugins.q.Promise<T[]> {
+    find(docMatchArg: T | any, optionsArg?: IFindOptions): plugins.q.Promise<T[]> {
         let done = plugins.q.defer<T[]>()
-        this.collection.find(docMatchArg).toArray((err, docs) => {
+        let findCursor = this.collection.find(docMatchArg)
+        if (optionsArg) {
+            if ( optionsArg.limit ) { findCursor = findCursor.limit(1) }
+        }
+        findCursor.toArray((err, docs) => {
             if (err) { throw err }
             done.resolve(docs)
         })

ts/smartdata.classes.dbdoc.ts

@@ -0,0 +1,20 @@
+import * as plugins from './smartdata.plugins'
+
+import { Db } from './smartdata.classes.db'
+import { DbCollection } from './smartdata.classes.dbcollection'
+
+export type TDocCreation = 'db' | 'data' | 'mixed'
+
+export class DbDoc<T> {
+    collection: DbCollection<T>
+    creationType: TDocCreation
+    constructor(collectionNameArg: string, dbArg: Db ) {
+        this.collection = new DbCollection<T>(collectionNameArg, dbArg)
+    }
+    save() {
+
+    }
+    saveDeep() {
+        
+    }
+}