iridium
Version:
A custom lightweight ORM for MongoDB designed for power-users
434 lines (433 loc) • 23.6 kB
TypeScript
/// <reference types="bluebird" />
import * as MongoDB from "mongodb";
import * as Bluebird from "bluebird";
import * as Skmatc from "skmatc";
import { Core } from "./Core";
import { Schema } from "./Schema";
import { Hooks } from "./Hooks";
import { CacheDirector } from "./CacheDirector";
import * as General from "./General";
import { Cursor } from "./Cursor";
import * as Index from "./Index";
import * as ModelOptions from "./ModelOptions";
import { Conditions } from "./Conditions";
import { Changes } from "./Changes";
import { ModelCache } from "./ModelCache";
import { ModelHelpers } from "./ModelHelpers";
import { ModelHandlers } from "./ModelHandlers";
import * as ModelInterfaces from "./ModelInterfaces";
import { InstanceImplementation } from "./InstanceInterface";
import { Transforms } from "./Transforms";
import * as AggregationPipeline from "./Aggregate";
import { MapReducedDocument, MapReduceFunctions, MapReduceOptions } from "./MapReduce";
/**
* An Iridium Model which represents a structured MongoDB collection.
* Models expose the methods you will generally use to query those collections, and ensure that
* the results of those queries are returned as {TInstance} instances.
*
* @param TDocument The interface used to determine the schema of documents in the collection.
* @param TInstance The interface or class used to represent collection documents in the JS world.
*
* @class
*/
export declare class Model<TDocument extends {
_id?: any;
}, TInstance> {
/**
* Creates a new Iridium model representing a given ISchema and backed by a collection whose name is specified
* @param core The Iridium core that this model should use for database access
* @param instanceType The class which will be instantiated for each document retrieved from the database
* @constructor
*/
constructor(core: Core, instanceType: InstanceImplementation<TDocument, TInstance>);
/**
* Loads any externally available properties (generally accessed using public getters/setters).
*/
private loadExternal(instanceType);
/**
* Loads any internally (protected/private) properties and helpers only used within Iridium itself.
*/
private loadInternal();
/**
* Process any callbacks and plugin delegation for the creation of this model.
* It will generally be called whenever a new Iridium Core is created, however is
* more specifically tied to the lifespan of the models themselves.
*/
private onNewModel();
private _helpers;
/**
* Provides helper methods used by Iridium for common tasks
* @returns A set of helper methods which are used within Iridium for common tasks
*/
readonly helpers: ModelHelpers<TDocument, TInstance>;
private _handlers;
/**
* Provides helper methods used by Iridium for hook delegation and common processes
* @returns A set of helper methods which perform common event and response handling tasks within Iridium.
*/
readonly handlers: ModelHandlers<TDocument, TInstance>;
private _hooks;
/**
* Gets the even hooks subscribed on this model for a number of different state changes.
* These hooks are primarily intended to allow lifecycle manipulation logic to be added
* in the user's model definition, allowing tasks such as the setting of default values
* or automatic client-side joins to take place.
*/
readonly hooks: Hooks<TDocument, TInstance>;
private _schema;
/**
* Gets the schema dictating the data structure represented by this model.
* The schema is used by skmatc to validate documents before saving to the database, however
* until MongoDB 3.1 becomes widely available (with server side validation support) we are
* limited in our ability to validate certain types of updates. As such, these validations
* act more as a data-integrity check than anything else, unless you purely make use of Omnom
* updates within instances.
* @public
* @returns The defined validation schema for this model
*/
readonly schema: Schema;
private _core;
/**
* Gets the Iridium core that this model is associated with.
* @public
* @returns The Iridium core that this model is bound to
*/
readonly core: Core;
private _collection;
/**
* Gets the underlying MongoDB collection from which this model's documents are retrieved.
* You can make use of this object if you require any low level access to the MongoDB collection,
* however we recommend you make use of the Iridium methods whereever possible, as we cannot
* guarantee the accuracy of the type definitions for the underlying MongoDB driver.
* @public
* @returns {Collection}
*/
readonly collection: MongoDB.Collection;
/**
* Gets the name of the underlying MongoDB collection from which this model's documents are retrieved
* @public
*/
/**
* Sets the name of the underlying MongoDB collection from which this model's documents are retrieved
* @public
*/
collectionName: string;
private _cacheDirector;
/**
* Gets the cache controller which dictates which queries will be cached, and under which key
* @public
* @returns {CacheDirector}
*/
readonly cacheDirector: CacheDirector;
private _cache;
/**
* Gets the cache responsible for storing objects for quick retrieval under certain conditions
* @public
* @returns {ModelCache}
*/
readonly cache: ModelCache;
private _Instance;
/**
* Gets the constructor responsible for creating instances for this model
*/
readonly Instance: ModelInterfaces.ModelSpecificInstanceConstructor<TDocument, TInstance>;
private _transforms;
/**
* Gets the transforms which are applied whenever a document is received from the database, or
* prior to storing a document in the database. Tasks such as converting an ObjectID to a string
* and vice versa are all listed in this object.
*/
readonly transforms: Transforms;
private _validators;
/**
* Gets the custom validation types available for this model. These validators are added to the
* default skmatc validators, as well as those available through plugins, for use when checking
* your instances.
*/
readonly validators: Skmatc.Validator[];
private _indexes;
/**
* Gets the indexes which Iridium will manage on this model's database collection.
*/
readonly indexes: (Index.Index | Index.IndexSpecification)[];
/**
* Retrieves all documents in the collection and wraps them as instances
* @param {function(Error, TInstance[])} callback An optional callback which will be triggered when results are available
* @returns {Promise<TInstance[]>}
*/
find(): Cursor<TDocument, TInstance>;
/**
* Returns all documents in the collection which match the conditions and wraps them as instances
* @param {Object} conditions The MongoDB query dictating which documents to return
* @returns {Promise<TInstance[]>}
*/
find(conditions: {
_id?: string;
} | Conditions | string): Cursor<TDocument, TInstance>;
/**
* Returns all documents in the collection which match the conditions
* @param {Object} conditions The MongoDB query dictating which documents to return
* @param {Object} fields The fields to include or exclude from the document
* @returns {Promise<TInstance[]>}
*/
find(conditions: {
_id?: string;
} | Conditions | string, fields: {
[name: string]: number;
}): Cursor<TDocument, TInstance>;
/**
* Retrieves a single document from the collection and wraps it as an instance
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
get(callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Retrieves a single document from the collection with the given ID and wraps it as an instance
* @param {any} id The document's unique _id field value in downstream format
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
get(id: string, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Retrieves a single document from the collection which matches the conditions
* @param {Object} conditions The MongoDB query dictating which document to return
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
get(conditions: {
_id?: string;
} | Conditions, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Retrieves a single document from the collection with the given ID and wraps it as an instance
* @param {any} id The document's unique _id field value in downstream format
* @param {QueryOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
get(id: string, options: ModelOptions.QueryOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Retrieves a single document from the collection which matches the conditions
* @param {Object} conditions The MongoDB query dictating which document to return
* @param {QueryOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
get(conditions: {
_id?: string;
} | Conditions, options: ModelOptions.QueryOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Retrieves a single document from the collection and wraps it as an instance
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
findOne(callback?: General.Callback<TInstance>): Bluebird<TInstance | null>;
/**
* Retrieves a single document from the collection with the given ID and wraps it as an instance
* @param {any} id The document's unique _id field value in downstream format
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
findOne(id: string, callback?: General.Callback<TInstance>): Bluebird<TInstance | null>;
/**
* Retrieves a single document from the collection which matches the conditions
* @param {Object} conditions The MongoDB query dictating which document to return
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
findOne(conditions: {
_id?: string;
} | Conditions, callback?: General.Callback<TInstance>): Bluebird<TInstance | null>;
/**
* Retrieves a single document from the collection with the given ID and wraps it as an instance
* @param {any} id The document's unique _id field value in downstream format
* @param {QueryOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
findOne(id: string, options: ModelOptions.QueryOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance | null>;
/**
* Retrieves a single document from the collection which matches the conditions
* @param {Object} conditions The MongoDB query dictating which document to return
* @param {QueryOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback An optional callback which will be triggered when a result is available
* @returns {Promise<TInstance>}
*/
findOne(conditions: {
_id?: string;
} | Conditions, options: ModelOptions.QueryOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance | null>;
/**
* Inserts an object into the collection after validating it against this model's schema
* @param {Object} object The object to insert into the collection
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
create(objects: TDocument, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Inserts an object into the collection after validating it against this model's schema
* @param {Object} object The object to insert into the collection
* @param {CreateOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
create(objects: TDocument, options: ModelOptions.CreateOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Inserts the objects into the collection after validating them against this model's schema
* @param {Object[]} objects The objects to insert into the collection
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
create(objects: TDocument[], callback?: General.Callback<TInstance[]>): Bluebird<TInstance[]>;
/**
* Inserts the objects into the collection after validating them against this model's schema
* @param {Object[]} objects The objects to insert into the collection
* @param {CreateOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
create(objects: TDocument[], options: ModelOptions.CreateOptions, callback?: General.Callback<TInstance[]>): Bluebird<TInstance[]>;
/**
* Inserts an object into the collection after validating it against this model's schema
* @param {Object} object The object to insert into the collection
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
insert(objects: TDocument, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Inserts an object into the collection after validating it against this model's schema
* @param {Object} object The object to insert into the collection
* @param {CreateOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance)} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
insert(objects: TDocument, options: ModelOptions.CreateOptions, callback?: General.Callback<TInstance>): Bluebird<TInstance>;
/**
* Inserts the objects into the collection after validating them against this model's schema
* @param {Object[]} objects The objects to insert into the collection
* @param {function(Error, TInstance[])} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
insert(objects: TDocument[], callback?: General.Callback<TInstance[]>): Bluebird<TInstance[]>;
/**
* Inserts the objects into the collection after validating them against this model's schema
* @param {Object[]} objects The objects to insert into the collection
* @param {CreateOptions} options The options dictating how this function behaves
* @param {function(Error, TInstance[])} callback A callback which is triggered when the operation completes
* @returns {Promise<TInstance>}
*/
insert(objects: TDocument[], options: ModelOptions.CreateOptions, callback?: General.Callback<TInstance[]>): Bluebird<TInstance[]>;
/**
* Updates the documents in the backing collection which match the conditions using the given update instructions
* @param {Object} conditions The conditions which determine which documents will be updated
* @param {Object} changes The changes to make to the documents
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
*/
update(conditions: {
_id?: string;
} | Conditions | string, changes: Changes, callback?: General.Callback<number>): Bluebird<number>;
/**
* Updates the documents in the backing collection which match the conditions using the given update instructions
* @param {Object} conditions The conditions which determine which documents will be updated
* @param {Object} changes The changes to make to the documents
* @param {UpdateOptions} options The options which dictate how this function behaves
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
*/
update(conditions: {
_id?: string;
} | Conditions | string, changes: Changes, options: ModelOptions.UpdateOptions, callback?: General.Callback<number>): Bluebird<number>;
/**
* Counts the number of documents in the collection
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
* @returns {Promise<number>}
*/
count(callback?: General.Callback<number>): Bluebird<number>;
/**
* Counts the number of documents in the collection which match the conditions provided
* @param {Object} conditions The conditions which determine whether an object is counted or not
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
* @returns {Promise<number>}
*/
count(conditions: {
_id?: string;
} | Conditions, callback?: General.Callback<number>): Bluebird<number>;
/**
* Removes all documents from the collection
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
* @returns {Promise<number>}
*/
remove(callback?: General.Callback<number>): Bluebird<number>;
/**
* Removes all documents from the collection which match the conditions
* @param {Object} conditions The conditions determining whether an object is removed or not
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
* @returns {Promise<number>}
*/
remove(conditions: {
_id?: string;
} | Conditions | any, callback?: General.Callback<number>): Bluebird<number>;
/**
* Removes all documents from the collection which match the conditions
* @param {Object} conditions The conditions determining whether an object is removed or not
* @param {Object} options The options controlling the way in which the function behaves
* @param {function(Error, Number)} callback A callback which is triggered when the operation completes
* @returns {Promise<number>}
*/
remove(conditions: {
_id?: string;
} | Conditions | string, options: ModelOptions.RemoveOptions, callback?: General.Callback<number>): Bluebird<number>;
aggregate<T>(pipeline: AggregationPipeline.Stage[]): Bluebird<T[]>;
/**
* Runs a mapReduce operation in MongoDB and returns the contents of the resulting collection.
* @param functions The mapReduce functions which will be passed to MongoDB to complete the operation.
* @param options Options used to configure how MongoDB runs the mapReduce operation on your collection.
* @return A promise which completes when the mapReduce operation has written its results to the provided collection.
*/
mapReduce<Key, Value>(functions: MapReduceFunctions<TDocument, Key, Value>, options: MapReduceOptions): Bluebird<MapReducedDocument<Key, Value>[]>;
/**
* Runs a mapReduce operation in MongoDB and writes the results to a collection.
* @param instanceType An Iridium.Instance type whichThe mapReduce functions which will be passed to MongoDB to complete the operation.
* @param options Options used to configure how MongoDB runs the mapReduce operation on your collection.
* @return A promise which completes when the mapReduce operation has written its results to the provided collection.
*/
mapReduce<Key, Value>(instanceType: InstanceImplementation<MapReducedDocument<Key, Value>, any>, options: MapReduceOptions): Bluebird<void>;
/**
* Ensures that the given index is created for the collection
* @param {Object} specification The index specification object used by MongoDB
* @param {function(Error, String)} callback A callback which is triggered when the operation completes
* @returns {Promise<String>} The name of the index
*/
ensureIndex(specification: Index.IndexSpecification, callback?: General.Callback<string>): Bluebird<string>;
/**
* Ensures that the given index is created for the collection
* @param {Object} specification The index specification object used by MongoDB
* @param {MongoDB.IndexOptions} options The options dictating how the index is created and behaves
* @param {function(Error, String)} callback A callback which is triggered when the operation completes
* @returns {Promise<String>} The name of the index
*/
ensureIndex(specification: Index.IndexSpecification, options: MongoDB.IndexOptions, callback?: General.Callback<string>): Bluebird<string>;
/**
* Ensures that all indexes defined in the model's options are created
* @param {function(Error, String[])} callback A callback which is triggered when the operation completes
* @returns {Promise<String[]>} The names of the indexes
*/
ensureIndexes(callback?: General.Callback<string[]>): Bluebird<string[]>;
/**
* Drops the index with the specified name if it exists in the collection
* @param {String} name The name of the index to remove
* @param {function(Error, Boolean)} callback A callback which is triggered when the operation completes
* @returns {Promise<Boolean>} Whether the index was dropped
*/
dropIndex(name: string, callback?: General.Callback<boolean>): Bluebird<boolean>;
/**
* Drops the index if it exists in the collection
* @param {IndexSpecification} index The index to remove
* @param {function(Error, Boolean)} callback A callback which is triggered when the operation completes
* @returns {Promise<Boolean>} Whether the index was dropped
*/
dropIndex(index: Index.IndexSpecification, callback?: General.Callback<boolean>): Bluebird<boolean>;
/**
* Removes all indexes (except for _id) from the collection
* @param {function(Error, Boolean)} callback A callback which is triggered when the operation completes
* @returns {Promise<Boolean>} Whether the indexes were dropped
*/
dropIndexes(callback?: General.Callback<boolean>): Bluebird<boolean>;
}