core

package
v0.0.5-37 Latest Latest
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 Go to latest Published: Jun 23, 2021 License: MIT Imports: 12 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	SUBSCRIBE   = "subscribe"
	UNSUBSCRIBE = "unsubscribe"
	DEFAULT     = "default"
)
View Source 
const COLLECTIONS_BY_FIRST_CONTENT_UNIT_CLAUSE = `
  and c.id = collection_first_content_unit_languages.collection_id
`

Filter collection to have language.

View Source 
const CONTENT_UNIT_PERSON_RAV = `` /* 178-byte string literal not displayed */
View Source 
const CONTENT_UNIT_SUGGESTER_NAME = "ContentUnitsSuggester"

Variables

View Source 
var FILTER_STRING_TO_VALUE = map[string]FilterSelectorEnum{
	"FUnitContentTypes":       UnitContentTypes,
	"FCollectionContentTypes": CollectionContentTypes,
	"FTags":                   Tags,
	"FSources":                Sources,
	"FCollections":            Collections,
	"FSameTag":                SameTag,
	"FSameSource":             SameSource,
	"FSameCollection":         SameCollection,
}
View Source 
var ORDER_STRING_TO_VALUE = map[string]OrderSelectorEnum{
	"OLast":    Last,
	"ONext":    Next,
	"OPrev":    Prev,
	"ORand":    Rand,
	"OPopular": Popular,
}
View Source 
var Suggesters = map[string]MakeSuggesterFunc{}

Functions

func CollectionsByFirstUnitLanguagesTableSql 

func CollectionsByFirstUnitLanguagesTableSql(contentTypes []string, languages []string) string

func ContentTypesToContentIds 

func ContentTypesToContentIds(contentTypes []string) []string

func ContentTypesToInt64Ids 

func ContentTypesToInt64Ids(contentTypes []string) []int64

func FilterByLanguageSql 

func FilterByLanguageSql(languages []string) string

Filter content unit to have language.

func RegisterSuggester 

func RegisterSuggester(name string, makeFunc MakeSuggesterFunc)

func SplitContentItems 

func SplitContentItems(contentItems []ContentItem, numLists int) [][]ContentItem

Types

type CollectionSuggester 

type CollectionSuggester struct {
	// contains filtered or unexported fields
}

func MakeCollectionSuggester 

func MakeCollectionSuggester(db *sql.DB, contentType string) *CollectionSuggester

func (*CollectionSuggester) MarshalSpec 

func (suggester *CollectionSuggester) MarshalSpec() (SuggesterSpec, error)

func (*CollectionSuggester) More 

func (suggester *CollectionSuggester) More(request MoreRequest) ([]ContentItem, error)

func (*CollectionSuggester) UnmarshalSpec 

func (suggester *CollectionSuggester) UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error

type CompletionSuggester 

type CompletionSuggester struct {
	// contains filtered or unexported fields
}

Given slice of Suggesters will take the first one, if not enough suggestions will take the second one, ect... The OriginalOrder here is the index of the suggester, e.g., 0, 0, 0, 1, 1, 2, 2, 2, 2 (3 items from suggeter #0, 2 from #1, 4 from #4)

func MakeCompletionSuggester 

func MakeCompletionSuggester(suggesters []Suggester) *CompletionSuggester

func (*CompletionSuggester) MarshalSpec 

func (suggester *CompletionSuggester) MarshalSpec() (SuggesterSpec, error)

func (*CompletionSuggester) More 

func (suggester *CompletionSuggester) More(request MoreRequest) ([]ContentItem, error)

func (*CompletionSuggester) UnmarshalSpec 

func (suggester *CompletionSuggester) UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error

type ContentItem 

type ContentItem struct {
	UID           string    `json:"uid"`
	ContentType   string    `json:"content_type"`
	Date          time.Time `json:"date"`
	CreatedAt     time.Time `json:"created_at"`
	OriginalOrder []int64   `json:"original_order"`
	Suggester     string    `json:"suggester"`
}

func Merge 

func Merge(r MoreRequest, suggestions [][]ContentItem) ([]ContentItem, error)

func Unsort 

func Unsort(contentItems []ContentItem) []ContentItem

type ContentUnitsSuggester 

type ContentUnitsSuggester struct {
	// contains filtered or unexported fields
}

func MakeContentUnitsSuggester 

func MakeContentUnitsSuggester(db *sql.DB, contentTypes []string) *ContentUnitsSuggester

func (*ContentUnitsSuggester) MarshalSpec 

func (suggester *ContentUnitsSuggester) MarshalSpec() (SuggesterSpec, error)

func (*ContentUnitsSuggester) More 

func (suggester *ContentUnitsSuggester) More(request MoreRequest) ([]ContentItem, error)

func (*ContentUnitsSuggester) UnmarshalSpec 

func (suggester *ContentUnitsSuggester) UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error

type Feed 

type Feed struct {
	Suggester Suggester
}

func MakeFeed 

func MakeFeed(suggesterContext SuggesterContext) *Feed

func (*Feed) More 

func (f *Feed) More(r MoreRequest) ([]ContentItem, error)

type FilterSelectorEnum 

type FilterSelectorEnum int

Define filter constrain for unit being watched. 

const (
	UnitContentTypes FilterSelectorEnum = iota
	CollectionContentTypes
	Tags
	Sources
	Collections
	SameTag
	SameSource
	SameCollection
)

type MakeSuggesterFunc 

type MakeSuggesterFunc func(suggesterContext SuggesterContext) Suggester

type MoreOptions 

type MoreOptions struct {
	ContentTypes Subscriptions `json:"content_types" form:"content_type"`
	// Map from collection content type to Subscriptions.
	Collections map[string]Subscriptions `json:"collections" form:"collections"`

	Recommend Recommend        `json:"recommend" form:"recommend"`
	Spec      *SuggesterSpec   `json:"spec,omitempty" form:"spec,omitempty"`
	Specs     []*SuggesterSpec `json:"specs,omitempty" form:"specs,omitempty"`

	Languages []string `json:"languages,omitempty" form:"languages,omitempty"`
	SkipUids  []string `json:"skip_uids"`
}

type MoreRequest 

type MoreRequest struct {
	CurrentFeed []ContentItem `json:"current_feed" form:"current_feed"`
	MoreItems   int           `json:"more_items" form:"more_items"`
	Options     MoreOptions   `json:"options" form:"options"`
}

type OrderSelectorEnum 

type OrderSelectorEnum int

Defines order constrain for selecting content units / collection. 

const (
	Last OrderSelectorEnum = iota
	Next
	Prev
	Rand
	Popular
)

type Recommend 

type Recommend struct {
	Uid string `json:"uid"`
}

type RoundRobinSuggester 

type RoundRobinSuggester struct {
	Name       string
	Suggesters []Suggester
}

func MakeRoundRobinSuggester 

func MakeRoundRobinSuggester(suggesters []Suggester) *RoundRobinSuggester

func (*RoundRobinSuggester) MarshalSpec 

func (suggester *RoundRobinSuggester) MarshalSpec() (SuggesterSpec, error)

func (*RoundRobinSuggester) More 

func (suggester *RoundRobinSuggester) More(request MoreRequest) ([]ContentItem, error)

func (*RoundRobinSuggester) UnmarshalSpec 

func (suggester *RoundRobinSuggester) UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error

type SortSuggester 

type SortSuggester struct {
	// contains filtered or unexported fields
}

Sort items by date and then by create at time.

func MakeSortSuggester 

func MakeSortSuggester(suggester Suggester) *SortSuggester

func (*SortSuggester) MarshalSpec 

func (suggester *SortSuggester) MarshalSpec() (SuggesterSpec, error)

func (*SortSuggester) More 

func (suggester *SortSuggester) More(request MoreRequest) ([]ContentItem, error)

func (*SortSuggester) UnmarshalSpec 

func (suggester *SortSuggester) UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error

type Subscriptions 

type Subscriptions map[string]string

Keys are content types or collection mids. Values are one of the constants: SUBSCRIBE, UNSUBSCRIBE, DEFAULT

type Suggester 

type Suggester interface {
	More(request MoreRequest) ([]ContentItem, error)

	MarshalSpec() (SuggesterSpec, error)
	UnmarshalSpec(suggesterContext SuggesterContext, spec SuggesterSpec) error
}

func MakeSuggesterFromName 

func MakeSuggesterFromName(suggesterContext SuggesterContext, name string) (Suggester, error)

type SuggesterContext 

type SuggesterContext struct {
	DB         *sql.DB
	DataModels *data_models.DataModels
	Cache      map[string]interface{}
}

type SuggesterFilter 

type SuggesterFilter struct {
	FilterSelector FilterSelectorEnum `json:"filter_selector,omitempty" form:"filter_selector,omitempty"`
	Args           []string           `json:"args,omitempty" form:"args,omitempty"`
}

type SuggesterSpec 

type SuggesterSpec struct {
	Name          string            `json:"name,omitempty" form:"name,omitempty"`
	Filters       []SuggesterFilter `json:"filters,omitempty" form:"filters,omitempty"`
	OrderSelector OrderSelectorEnum `json:"order_selector,omitempty" form:"order_selector,omitempty"`
	Specs         []SuggesterSpec   `json:"specs,omitempty" form:"specs,omitempty"`

	// Deprecated
	Args       []string `json:"args,omitempty" form:"args,omitempty"`
	SecondArgs []string `json:"second_args,omitempty" form:"second_args,omitempty"`
}

Source Files

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