TeaserCollection

api/teaser. TeaserCollection

Represents a teaser instance, such as "ACM Webmasters".

Constructor

new TeaserCollection()

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Creates the Teaser collection.

Extends

Methods

assertAllDefined(names)

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Verifies that the list of passed instances are all members of this collection.

Parameters:
Name Type Description
names

Should be a list of docs and/or docIDs.

Throws:

If instances is not an array, or if any instance is not in this collection.

Type
Meteor.Error

assertDefined(name)

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Verifies that the passed object is one of this collection's instances.

Parameters:
Name Type Description
name String | List

Should be a defined ID or doc in this collection.

Throws:

If not defined.

Type
Meteor.Error

assertValidRoleForMethod(userId)

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Default implementation of assertValidRoleForMethod. Asserts that userId is logged in as an Admin or Advisor.
This is used in the define, update, and removeIt Meteor methods associated with each class.

Parameters:
Name Type Description
userId

The userId of the logged in user. Can be null or undefined

Throws:

If there is no logged in user, or the user is not an Admin or Advisor.

Type
Meteor.Error

checkIntegrity() → {Array}

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Overrides:

Returns an array of strings, each one representing an integrity problem with this collection.
Returns an empty array if no problems were found.
Checks slugID, interestIDs

Returns:

A (possibly empty) array of strings indicating integrity issues.

Type
Array

count() → {Number}

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Returns the number of documents in this collection.

Returns:

The number of elements in this collection.

Type
Number

define(description)

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Defines a new Teaser video to provide information about an opportunity.

Example
Teaser.define({ title: 'ACM Webmasters',
                slug: 'acm-webmasters-teaser',
                opportunity: 'acm-webmasters'
                interests: ['html', 'javascript', 'css', 'web-development'],
                author: 'Torlief Nielson'
                url: 'https://www.youtube.com/watch?v=OI4CXULK3tw'
                description: 'Learn web development by helping to develop and maintain the ACM Manoa website.',
                duration: '0:39'
                })
Parameters:
Name Type Description
description Object

Object with keys title, slug, URL, description, duration. interestIDs.
Title is a required string.
Slug is required and must be previously undefined. By convention, use a '-teaser' suffix.
Interests is a required array of one or more defined interest slugs or interestIDs.
Opportunity is a required opportunity slug or opportunityID.
URL is a required string; the url to the (typically YouTube) video defining this teaser.
Author is a required string indicating the author of the Teaser.
Description is a required string providing a short description of this teaser.
Duration is an optional string indicating the length of the teaser.

Throws:

If the interest definition includes a defined slug or undefined interestID,
if the slug is already defined, or if the opportunity is supplied and not found.

Type
Meteor.Error
Returns:

The newly created docID.

dumpAll() → {Object}

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Returns an object with two fields: name and contents.
Name is the name of this collection.
Contents is an array of objects suitable for passing to the restore() method.

Returns:

An object representing the contents of this collection.

Type
Object

dumpOne(docID) → {Object}

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Overrides:

Returns an object representing the Teaser docID in a format acceptable to define().

Parameters:
Name Type Description
docID

The docID of a Teaser.

Returns:

An object representing the definition of docID.

Type
Object

find(selector, options) → {Mongo.Cursor}

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See:

Runs find on this collection.

Parameters:
Name Type Description
selector Object

A MongoDB selector.

options Object

MongoDB options.

Returns:
Type
Mongo.Cursor

findDoc(name) → {Object}

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A stricter form of findOne, in that it throws an exception if the entity isn't found in the collection.

Parameters:
Name Type Description
name String | Object

Either the docID, or an object selector, or the 'name' field value.

Throws:

If the document cannot be found.

Type
Meteor.Error
Returns:

The document associated with name.

Type
Object

findDocBySlug(slug) → {Object}

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Returns the instance associated with the passed slug.

Parameters:
Name Type Description
slug String

The slug (string or docID).

Throws:

If the slug cannot be found, or is not associated with an instance in this collection.

Type
Meteor.Error
Returns:

The document representing the instance.

Type
Object

findIdBySlug(slug) → {String}

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Return the docID of the instance associated with this slug.

Parameters:
Name Type Description
slug String

The slug (string or docID).

Throws:

If the slug cannot be found, or is not associated with an instance in this collection.

Type
Meteor.Error
Returns:

The docID.

Type
String

findIdsBySlugs(slugs) → {Array}

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Returns a list of docIDs associated with the instances associated with the list of slugs.

Parameters:
Name Type Description
slugs Array

A list or collection of slugs.

Throws:

If the slug cannot be found, or is not associated with an instance in this collection.

Type
Meteor.Error
Returns:

A list of docIDs.

Type
Array

findOne(selector, options) → {Mongo.Cursor}

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Inherited From:
See:

Runs findOne on this collection.

Parameters:
Name Type Description
selector Object

A MongoDB selector.

options Object

MongoDB options.

Returns:
Type
Mongo.Cursor

findSlugByID(docID) → {String}

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Returns the slug name associated with this docID.

Parameters:
Name Type Description
docID

The docID

Throws:

If docID is not associated with this entity.

Type
Meteor.Error
Returns:

The slug name

Type
String

getCollectionName() → {string}

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Returns the collection name.

Returns:

The collection name as a string.

Type
string

getID(instance) → {String}

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Returns the docID associated with instance, or throws an error if it cannot be found.
If instance is a docID, then it is returned unchanged. If instance is a slug, its corresponding docID is returned.
If instance is the value for the username field in this collection, then return that document's ID.
If instance is an object with an _id field, then that value is checked to see if it's in the collection.

Parameters:
Name Type Description
instance String

Either a valid docID or a valid slug string.

Throws:

If instance is not a docID or a slug.

Type
Meteor.Error
Returns:

The docID associated with instance.

Type
String

getIDs(instances) → {Array.<String>}

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Returns the docIDs associated with instances, or throws an error if any cannot be found.
If an instance is a docID, then it is returned unchanged. If a slug, its corresponding docID is returned.
If nothing is passed, then an empty array is returned.

Parameters:
Name Type Description
instances Array.<String>

An array of valid docIDs, slugs, or a combination.

Throws:

If any instance is not a docID or a slug.

Type
Meteor.Error
Returns:

The docIDs associated with instances.

Type
Array.<String>

getPublicationName() → {String}

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Return the publication name.

Returns:

The publication name, as a string.

Type
String

getType() → {String}

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Return the type of this collection.

Returns:

The type, as a string.

Type
String

hasInterest(teaser, interest) → {boolean}

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Returns true if teaser has the specified interest.

Parameters:
Name Type Description
teaser

The teaser (docID or slug)

interest

The Interest (docID or slug).

Throws:

If teaser is not a teaser or interest is not a Interest.

Type
Meteor.Error
Returns:

True if the teaser has the associated Interest.

Type
boolean

hasOpportunity(teaser, opportunity) → {boolean}

Source:

Returns true if teaser has the specified opportunity.

Parameters:
Name Type Description
teaser

The teaser (docID or slug)

opportunity

The Interest (docID or slug).

Throws:

If teaser is not a teaser or opportunity is not a Opportunity.

Type
Meteor.Error
Returns:

True if the teaser has the associated Opportunity.

Type
boolean

hasSlug(slug) → {boolean}

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Returns true if the passed slug is associated with an entity of this type.

Parameters:
Name Type Description
slug String

Either the name of a slug or a slugID.

Returns:

True if the slug is in this collection.

Type
boolean

isDefined(instance) → {boolean}

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Return true if instance is a docID or a slug for this entity.

Parameters:
Name Type Description
instance String

A docID or a slug.

Returns:

True if instance is a docID or slug for this entity.

Type
boolean

publish()

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Default publication method for entities.
It publishes the entire collection.

removeAll()

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Removes all elements of this collection.
This is implemented by mapping through all elements because mini-mongo does not implement the remove operation.
So this approach can be used on both client and server side.
removeAll should only used for testing purposes, so it doesn't need to be efficient.

Returns:

true

removeIt(instance)

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Overrides:

Remove the Teaser.

Parameters:
Name Type Description
instance

The docID or slug of the entity to be removed.

Throws:

If docID is not a Teaser.

Type
Meteor.Error

restoreAll(dumpObjects)

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Defines all the entities in the passed array of objects.

Parameters:
Name Type Description
dumpObjects

The array of objects representing the definition of a document in this collection.

restoreOne(dumpObject) → {String}

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Defines the entity represented by dumpObject.
Defaults to calling the define() method if it exists.

Parameters:
Name Type Description
dumpObject

An object representing one document in this collection.

Returns:

The docID of the newly created document.

Type
String

subscribe()

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Default subscription method for entities.
It subscribes to the entire collection.

toString() → {String}

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Returns a string representing all of the documents in this collection.

Returns:
Type
String

update(docID)

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Overrides:

Update a Teaser. Everything can be updated except the slug.

Parameters:
Name Type Description
docID

The docID to be updated.

Throws:

If docID is not defined, or if any interest or opportunity is undefined.

Type
Meteor.Error