SuggestGrid Node.js Client
SuggestGrid Node.js Client
We will walk through how to get started with SuggestGrid Node.js Client in three steps:
Getting Started
In this guide we will demonstrate how to display personalized recommendations on an existing Node.js project.
We have a movie catalog Node.js application, SuggestGridMovies, similar to IMDb. For logged in users we want to display movies that similar people viewed on movie pages. Let's implement this feature in five minutes with SuggestGrid!
1. Configuration
We are beginning the development by adding the client as a dependency.
'suggestgrid': '0.1.31'
Once you sign up for SuggestGrid, you'll see your SUGGESTGRID_URL parameter on the dashboard in the format below:
http://{user}:{pass}@{region}.suggestgrid.space/{app-uuid}
You can authenticate your application using SUGGESTGRID_URL
environment variable like the example below:
var suggestgrid = require('suggestgrid')
suggestgrid.configure(process.env.SUGGESTGRID_URL)
Every recommendation logic needs to belong to a type.
For this demonstration we can create an implicit type named as views
.
This could be done either from the dashboard or with a snippet like this:
var typeController = suggestgrid.TypeController;
typeController.getType('views', function (error, response) {
if (error && error.errorCode == 404) {
typeController.createType('views', {'rating': 'implicit'}, function (error, response) {
if (!error) {
console.info('Views type is created')
}
})
}
})
2. Post actions
Once the type exists, let's start posting actions. We should invoke SuggestGrid client's suggestgrid.ActionController.postAction when an user views an item in our application.
We can do this by putting the snippet below on the relevant point:
var actionController = suggestgrid.ActionController
app.get('/movie/:id', function (req, res) {
var action = new suggestgrid.Action({type: 'views', user_id: user.id, item_id: req.params.id})
actionController.postAction(action, function (error, response) {
if (error) {
console.error(error)
} else {
console.log(response)
}
})
})
The more actions SuggestGrid gets, more relevant and diverse its responses are.
3. Get recommendations
Finally, let's show "movies similar users viewed" on movie pages.
SuggestGrid needs recommendation models for returning recommendations. Model generation is scheduled in every 24 hours. In addition, instant model generations can be triggered on the dashboard.
Once the first model generated for 'views' type, recommendations could be get using a snippet like the following:
var recommendationController = suggestgrid.RecommendationController;
function recommendItems(userId, callback) {
recommendationController.recommendItems({type: 'views', user_id: userId}, callback)
}
Type Methods
Type methods are used for creating, getting, and deleting types. Refer to types for an overview.
Creates a Type
suggestgrid.TypeController.createType(type, body, callback)
Creates a new type.
// Types have implicit rating type by default
typeContoller.createType('views', {}, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
typeContoller.createType('views', {'rating': 'implicit'}, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
typeContoller.createType('ratings', {'rating': 'explicit'}, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|
Body Parameters
TypeRequestBody (
object
)
Name | Type | Required | Description |
---|---|---|---|
rating | string | false | The rating type of the type. Could be "explicit" or "implicit", where "implicit" is the default. |
type | string | true | The name of the type. |
Gets Properties of a Type
suggestgrid.TypeController.getType(type, callback)
Returns the options of a type. The response rating parameter.
typeContoller.getType('views', function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
type | string | true | The name of the type to get properties. |
Deletes a Type
suggestgrid.TypeController.deleteType(type, callback)
Warning: Deletes the type with all of its actions and its recommendation model.
typeContoller.deleteType('views', function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
type | string | true | The name of the type to be deleted. |
Gets All Types
suggestgrid.TypeController.getAllTypes(callback)
Returns all type names in an array named types.
typeContoller.getAllTypes(function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Deletes All Types
suggestgrid.TypeController.deleteAllTypes(callback)
Deletes ALL the types and ALL the actions.
typeContoller.deleteAllTypes(function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Action Methods
Action methods are for creating, getting, and deleting actions. Refer to actions for an overview.
Posts an Action
suggestgrid.ActionController.postAction({type, user_id, item_id, rating})
Posts an action to the given type in the body. The body must have user id, item id and type. Rating is required for actions sent to an explicit type.
var action = {type: 'views', user_id: '20', item_id: '10'}
actionController.postAction(action, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
var action = {type: 'ratings', user_id: '20', item_id: '10', rating: 5}
actionController.postAction(action, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Body Parameters
Action (
object
)
Name | Type | Required | Description |
---|---|---|---|
itemId | string | true | The item id of the item the action is performed on. |
rating | number | false | The optional rating given by the user, if the type is explicit. |
timestamp | integer | false | The optional UNIX epoch timestamp of the action. Defaults to the current timestamp. |
type | string | true | The type that the action belongs to. |
userId | string | true | The user id of the performer of the action. |
Posts Actions
suggestgrid.ActionController.postBulkActions(actions, callback)
Posts bulk actions to SuggestGrid. The recommended method for posting multiple actions at once.
There's a limit of lines, hence number of actions you can send in one requests of 10000.
An example for bulk action request is the following:
var actions = []
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '10'})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '11'})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '12'})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '13'})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '14'})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '15'})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '16'})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '17'})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '18'})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '99'})
actionController.postBulkActions(actions, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Explicit actions can be post as
var actions = []
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '10', rating: 3})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '11', rating: 23})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '12', rating: 13})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '13', rating: 9})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '14', rating: 1})
actions.push({'type': 'views', 'user_id' : '100', 'item_id' : '15', rating: 4})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '16', rating: 7})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '17', rating: 12})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '18', rating: 3})
actions.push({'type': 'views', 'user_id' : '101', 'item_id' : '99', rating: 6})
actionController.postBulkActions(actions, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Gets Actions
suggestgrid.ActionController.getActions(type, userId, itemId, olderThan, from, size, callback)
Get actions. Defaut responses will be paged by 10 actios each. Type, user id, item id, or older than parameters could be provided. The intersection of the provided parameters will be returned.
If no query parameters is provided, all the actions will be returned:
actionController.getActions(null, null, null, null, null, null, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
You can include any of type
, userId
, itemId
, and olderThan
query parameters and SuggestGrid would return the actions satisfying all the query parameters:
olderThan
value could be a ISO 8601 duration, or a Unix time number.
actionController.getActions(null, '325', '168', null, null, null, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
You can also include from
and size
parameters to nativage throught the reponse actions. From defaults to 0 and size defaults to 10. Returned actions are sorted from the most recent one to the least recent ones.
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
from | integer | The number of users to be skipped from the response. Defaults to 0. Must be bigger than or equal to 0. This parameter must be string represetation of an integer like "1". | |
item_id | string | Get actions of an item id. | |
older_than | string | Get actions older than the given duration, or the given time number. Could be a ISO 8601 duration, or a Unix time number. Specifications are available at https://en.wikipedia.org/wiki/ISO_8601#Durations, or https://en.wikipedia.org/wiki/Unix_time. | |
size | integer | The number of the users response. Defaults to 10. Must be between 1 and 10,000 inclusive. This parameter must be string represetation of an integer like "1". | |
type | string | Get actions of a type. | |
user_id | string | Get actions of a user id. |
Delete Actions
suggestgrid.ActionController.deleteActions(type, userId, itemId, olderThan)
Warning: Please use get actions with the exact parameters first to inspect the actions to be deleted.
- Type must be provided.
- If user id is provided, all actions of the user will be deleted.
- If item id is provided, all actions on the item will be deleted.
- If older than is provided, all actions older than the timestamp or the duration will be deleted.
- If a number of these parameters are provided, the intersection of these parameters will be deleted.
- In addition to a type, at least one of these parameters must be provided. In order to delete all the actions of a type, delete the type.
Type and at least one more parameter must be provided for all delete actions queries.
Delete a user's actions:
actionController.deleteActions('views', '12', null, null, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Delete an item's actions:
actionController.deleteActions('views', null, '12', null, function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Delete old actions:
olderThan
value could be a ISO 8601 duration in the form of PnDTnHnM, or a Unix time number.
Example durations:
P365D
: Approximately a year.P30D
: Approximately a month.P1DT12H
: One and a half days.P1D
: A day (where a day is 24 hours or 86400 seconds).PT12H
: 10 hours (where an hour is 3600 seconds).PT1M
: 1 minute.
Delete actions older than a month:
actionController.deleteActions('views', null, null, 'P30D', function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Delete actions by query:
You can include any of userId, itemId, and olderThan parameters to the delete query and SuggestGrid would delete the intersection of the given queries accordingly.
For example, if all of userId, itemId, and olderThan are provided, SuggestGrid would delete the actions of the given user on the given item older than the given time or duration.
actionController.deleteActions('views', '1', '30', '891628467', function (error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
It's highly recommended to first get the actions with the same parameters before deleting actions.
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
item_id | string | Delete actions of an item id. | |
older_than | string | Delete actions older than the given duration, or the given time number. Could be a ISO 8601 duration, or a Unix time number. Specifications are available at https://en.wikipedia.org/wiki/ISO_8601#Durations, or https://en.wikipedia.org/wiki/Unix_time. | |
type | string | true | Delete actions of a type. This parameter and at least one other parameter is required. |
user_id | string | Delete actions of a user id. |
Metadata Methods
Metadata methods are for creating, getting, and deleting user, and item metadata. Refer to metadata for an overview.
Posts a User
suggestgrid.MetadataController.postUser(user, callback)
Posts a user metadata. Note that this operation completely overrides previous metadata for the id, if it exists.
var user = {'id': '9394182', 'age': 28, 'name': 'Avis Horton'}
metadataController.postUser(user, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Body Parameters
Metadata (
object
)
Name | Type | Required | Description |
---|---|---|---|
id | string | true | The id of the metadata of a user or an item. |
Posts Users
suggestgrid.MetadataController.postBulkUsers(users, callback)
Posts user metadata in bulk. Note that this operation completely overrides metadata with the same ids, if they exist.
There's a limit of lines, hence number of actions you can send in one requests. That's default to 10000.
An example for bulk user request is the following:
var users = []
users.push({'id': '9394182', 'age': 28, 'name': 'Avis Horton'})
users.push({'id': '6006895', 'age': 29, 'name': 'Jami Bishop'})
users.push({'id': '6540497', 'age': 21, 'name': 'Bauer Case'})
users.push({'id': '1967970', 'age': 30, 'name': 'Rosetta Cole'})
users.push({'id': '6084106', 'age': 35, 'name': 'Shaw Simon'})
metadataController.postBulkUsers(users, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Gets A User
suggestgrid.MetadataController.getUser(userId, callback)
Returns a user metadata if it exists.
metadataController.getUser('10', function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
user_id | string | true | The user id to get its metadata. |
Gets Users
suggestgrid.MetadataController.getUsers(size, from, callback)
Get items and total count of items. Page and per-page parameters could be set.
metadataController.getUsers(null, null, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
from | integer | The number of users to be skipped from the response. Defaults to 0. Must be bigger than or equal to 0. This parameter must be string represetation of an integer like "1". | |
size | integer | The number of the users response. Defaults to 10. Must be between 1 and 10,000 inclusive. This parameter must be string represetation of an integer like "1". |
Deletes a User
suggestgrid.MetadataController.deleteUser(userId, callback)
Deletes a user metadata with the given user id.
metadataController.deleteUser('10', function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
user_id | string | true | The user id to delete its metadata. |
Deletes All Users
suggestgrid.MetadataController.deleteAllUsers(callback)
Warning: Deletes all user metadata from SuggestGrid.
metadataController.deleteAllUsers(function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Posts An Item
suggestgrid.MetadataController.postItem(item, callback)
Posts an item metadata. Note that this operation completely overrides previous metadata for the id, if it exists.
var item = {'id': '25922342', 'manufacturer': 'Vicon', 'price': 348}
metadataController.postItem(item, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Body Parameters
Metadata (
object
)
Name | Type | Required | Description |
---|---|---|---|
id | string | true | The id of the metadata of a user or an item. |
Posts Items
suggestgrid.MetadataController.postBulkItems(items, callback)
Posts item metadata in bulk. Note that this operation completely overrides metadata with the same ids, if they exist.
There's a limit of lines, hence number of actions you can send in one requests, of 10000.
An example for bulk user request is the following:
var items = []
items.push({'id': '25922342', 'manufacturer': 'Vicon', 'price': 348})
items.push({'id': '80885987', 'manufacturer': 'Aquamate', 'price': 771})
items.push({'id': '71746854', 'manufacturer': 'Exoplode', 'price': 310})
items.push({'id': '53538832', 'manufacturer': 'Teraprene', 'price': 832})
items.push({'id': '72006635', 'manufacturer': 'Ohmnet', 'price': 340})
metadataController.postBulkItems(items, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
Gets An Item
suggestgrid.MetadataController.getItem(itemId, callback)
Returns an item metadata if it exists.
metadataController.getItem('10', function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
item_id | string | true | The item id to get its metadata. |
Gets Items
suggestgrid.MetadataController.getItems(size, from, callback)
Gets items and total count of items. Page and per-page parameters could be set.
metadataController.getItems(null, null, function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
from | integer | The number of users to be skipped from the response. Defaults to 0. Must be bigger than or equal to 0. This parameter must be string represetation of an integer like "1". | |
size | integer | The number of the users response. Defaults to 10. Must be between 1 and 10,000 inclusive. This parameter must be string represetation of an integer like "1". |
Delete An Item
suggestgrid.MetadataController.deleteItem(itemId, callback)
Deletes an item metadata with the given item id.
metadataController.deleteItem('10', function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Parameters
URI/Query Parameters
Name | Type | Required | Description |
---|---|---|---|
item_id | string | true | The item id to delete its metadata. |
Deletes All Items
suggestgrid.MetadataController.deleteAllItems(callback)
Warning: Deletes all item metadata from SuggestGrid.
metadataController.deleteAllItems(function(error, response) {
if (error) {
console.error(error)
} else {
console.info(response)
}
})
Recommendation Methods
Recommendation methods are for getting recommended items for users, or recommended users for items. Refer to recommendations for an overview.
Gets Recommended Users
suggestgrid.RecommendationController.getRecommendedUsers(query, callback)
Returns recommended users for the query.
recommendationController.getRecommendedUsers({'type': 'view', 'item_id': '42'}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'451'},{'id':'456'}]
}
})
recommendationController.getRecommendedUsers({'type': 'view', 'item_ids': ['42', '532', '841']}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'121'},{'id':'33'},{'id':'12'},{'id':'32'},{'id':'49'},{'id':'11'},{'id':'23'},{'id':'54'},{'id':'62'},{'id':'29'}]
}
})
recommendationController.getRecommendedUsers({'type': 'view', 'item_ids': ['42', '532', '841'], 'similar_user_id': '100', 'except': ['100'], 'size': 5}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'1'},{'id':'84'},{'id':'9'},{'id':'32'},{'id':'45'}]
}
})
recommendationController.getRecommendedUsers({'type': 'view', 'item_id': '42', 'size': 5, 'fields': ['name'], 'filter': { 'less_equal': {'age': 60}}}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'11','name':'Robert'},{'id':'848','name':'Mike'},{'id':'2','name':'Jennifer'}]
}
})
You can read filters and fields documentations for further reference.
Parameters
Body Parameters
GetRecommendedUsersBody (
object
)
Name | Type | Required | Description |
---|---|---|---|
except | array | false | These user ids that will not be included in the response. |
fields | array | false | The metadata fields to be included in returned user objects. |
filter | false | ||
from | integer | false | The number of most recommended items to be skipped from the response. Defaults to 0. |
itemId | string | false | The item id of the query. |
itemIds | array | false | The item ids of the query. Exactly one of item id or item ids parameters must be provided. |
similarUserId | string | false | Similar user that the response should be similar to. |
similarUserIds | array | false | Similar users that the response should be similar to. At most one of similar user and similar users parameters can be provided. |
size | integer | false | The number of users requested. Defaults to 10. Must be between 1 and 10,000 inclusive. |
type | string | false | The type of the query. Recommendations will be calculated based on actions of this type. |
types | array | false | The types of the query. Exactly one of type or types parameters must be provided. |
Gets Recommended Items
suggestgrid.RecommendationController.getRecommendedItems(query, callback)
Returns recommended items for the query.
recommendationController.getRecommendedItems({'type': 'view', 'user_id': '42'}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'451'},{'id':'456'}]
}
})
recommendationController.getRecommendedItems({'type': 'view', 'user_ids': ['42', '532', '841']}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'121'},{'id':'33'},{'id':'12'},{'id':'32'},{'id':'49'},{'id':'11'},{'id':'23'},{'id':'54'},{'id':'62'},{'id':'29'}]
}
})
recommendationController.getRecommendedItems({'type': 'view', 'user_ids': ['42', '532', '841'], 'similar_item_id': '321', 'size': 3}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'13'},{'id':'65'},{'id':'102'}]
}
})
recommendationController.getRecommendedItems({'type': 'view', 'user_id': '42', 'size': 5, 'filter': {'less_equal': {'price': 100}}}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'930'},{'id':'848'},{'id':'102'},{'id':'303'},{'id':'593'}]
}
})
recommendationController.getRecommendedItems({'type': 'view', 'user_id': '42', 'size': 5, fields '': ['category'], 'filter': { 'exact': {'manufacturer': 'Apple'}}}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'930','category':'notebook'},{'id':'848','category':'keyboard'},{'id':'102','category':'watch'}]
}
})
You can read filters and fields documentations for further reference.
Parameters
Body Parameters
GetRecommendedItemsBody (
object
)
Name | Type | Required | Description |
---|---|---|---|
except | array | false | These item ids that will not be included in the response. |
fields | array | false | The metadata fields to be included in returned item objects. |
filter | false | ||
from | integer | false | The number of most recommended items to be skipped from the response. Defaults to 0. |
similarItemId | string | false | Similar item that the response should be similar to. |
similarItemIds | array | false | Similar items that the response should be similar to. At most one of similar item and similar items parameters can be provided. |
size | integer | false | The number of items requested. Defaults to 10. Must be between 1 and 10,000 inclusive. |
type | string | false | The type of the query. Recommendations will be calculated based on actions of this type. |
types | array | false | The types of the query. Exactly one of type or types parameters must be provided. |
userId | string | false | The user id of the query. |
userIds | array | false | The user ids of the query. Exactly one of user id or user ids parameters must be provided. |
Similarity Methods
Similarity methods are for getting similar items, or similar users. Refer to similarities for an overview.
Gets Similar Users
suggestgrid.SimilarityController.getSimilarUsers(query, callback)
Returns similar users for the query.
similarityController.getSimilarUsers({'type': 'views', 'user_id': '1'}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'12'},{'id':'451'},{'id':'456'}]
}
})
similarityController.getSimilarUsers({'type': 'views', 'user_id': '1', 'except': ['12']}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'451'},{'id':'456'}]
}
})
similarityController.getSimilarUsers({'type': 'views', 'user_ids': ['42', '532', '841'], 'size': 3, 'fields': ['name'], 'filter': { 'less_equal': { 'age': 20}}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.users) // [{'id':'400', 'name':'Jason'},{'id':'132', 'name':'Scarlett'},{'id':'503', 'name':'Amy'}]
}
})
You can read filters and fields documentations for further reference.
Parameters
Body Parameters
GetSimilarUsersBody (
object
)
Name | Type | Required | Description |
---|---|---|---|
except | array | false | These user ids that will not be included in the response. |
fields | array | false | The metadata fields to be included in returned user objects. |
filter | false | ||
from | integer | false | The number of most similar users to be skipped from the response. Defaults to 0. |
size | integer | false | The number of users requested. Defaults to 10. Must be between 1 and 10,000 inclusive. |
type | string | false | The type of the query. Similarities will be calculated based on actions of this type. |
types | array | false | The types of the query. Exactly one of type or types parameters must be provided. |
userId | string | false | The user id of the query. |
userIds | array | false | The user ids of the query. Exactly one of user id or user ids parameters must be provided. |
Gets Similar Items
suggestgrid.SimilarityController.getSimilarItems(query, callback)
Returns similar items for the query.
similarityController.getSimilarItems({'type': 'views', 'item_id': '1'}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'12'},{'id':'451'},{'id':'456'}]
}
})
similarityController.getSimilarItems({'type': 'views', 'item_id': '12', 'except': ['1']}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'451'},{'id':'456'}]
}
})
similarityController.getSimilarItems({'type': 'views', 'item_ids': ['3','5','8'], 'size': 3, 'fields': ['category'], 'filter': { 'greater': { 'capacity': 60}}, function(error, response) {
if (error) {
console.error(error)
} else {
console.log(response.items) // [{'id':'451','category':'television'},{'id':'656','category':'blu-ray-dvd-players'}]
}
})
You can read filters and fields documentations for further reference.
Parameters
Body Parameters
GetSimilarItemsBody (
object
)
Name | Type | Required | Description |
---|---|---|---|
except | array | false | These item ids that will not be included in the response. |
fields | array | false | The metadata fields to be included in returned item objects. |
filter | false | ||
from | integer | false | The number of most similar items to be skipped from the response. Defaults to 0. |
itemId | string | false | The item id of the query. Get similar items to given item id. Either item id or item ids must be provided. |
itemIds | array | false | The item ids of the query. Exactly one of item id or item ids parameters must be provided. Get similar items to given item ids. Either item id or item ids must be provided. |
size | integer | false | The number of items requested. Defaults to 10. Must be between 1 and 10,000 inclusive. |
type | string | false | The type of the query. Similarities will be calculated based on actions of this type. |
types | array | false | The types of the query. Exactly one of type or types parameters must be provided. |