models

package
v0.2.1 Latest Latest
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 Go to latest Published: Jul 2, 2019 License: Apache-2.0 Imports: 14 Imported by: 0

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Index

Constants

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const (
	// FDefault is a default flag value
	FDefault fieldFlag = iota
	// FOmitEmpty is a field flag for omitting empty value.
	FOmitempty fieldFlag = 1 << (iota - 1)

	// FIso8601 is a time field flag marking it usable with IS08601 formatting.
	FIso8601

	// FI18n is the i18n field flag.
	FI18n

	// FNoFilter is the 'no filter' field flag.
	FNoFilter

	// FLanguage is the language field flag.
	FLanguage

	// FHidden is a flag for hidden field.
	FHidden

	// FSortable is a flag used for sortable fields.
	FSortable

	// FClientID is flag used to mark field as allowable to set ClientID.
	FClientID

	// FTime  is a flag used to mark field type as a Time.
	FTime

	// FMap is a flag used to mark field as a map.
	FMap

	// FPtr is a flag used to mark field as a pointer.
	FPtr

	// FArray is a flag used to mark field as an array.
	FArray

	// FSlice is a flag used to mark field as a slice.
	FSlice

	// FBasePtr is flag used to mark field as a based pointer.
	FBasePtr

	// FNestedStruct is a flag used to mark field as a nested structure.
	FNestedStruct

	// FNested is a flag used to mark field as nested.
	FNestedField
)

field flags

Variables

This section is empty.

Functions

func FieldAllowClientID 

func FieldAllowClientID(s *StructField) bool

FieldAllowClientID checks if the given field allow ClientID

func FieldBaseType 

func FieldBaseType(s *StructField) reflect.Type

FieldBaseType returns the base 'reflect.Type' for the provided field. The base is the lowest possible dereference of the field's type.

func FieldInitCheckFieldType 

func FieldInitCheckFieldType(s *StructField) error

FieldInitCheckFieldType initializes StructField type

func FieldIsArray 

func FieldIsArray(s *StructField) bool

FieldIsArray checks if the field is an array

func FieldIsBasePtr 

func FieldIsBasePtr(s *StructField) bool

FieldIsBasePtr checks if the field has a pointer type in the base

func FieldIsFlag 

func FieldIsFlag(s *StructField) bool

FieldIsFlag checks wether the field has a language flag

func FieldIsHidden 

func FieldIsHidden(s *StructField) bool

FieldIsHidden checks if the field has a hidden flag

func FieldIsI18n 

func FieldIsI18n(s *StructField) bool

FieldIsI18n checks wether the field has a i18n flag

func FieldIsIso8601 

func FieldIsIso8601(s *StructField) bool

FieldIsIso8601 checks wether the field uses FIso8601 flag

func FieldIsMap 

func FieldIsMap(s *StructField) bool

FieldIsMap checks if the field has a fMap flag

func FieldIsNestedField 

func FieldIsNestedField(s *StructField) bool

FieldIsNestedField checks if the field is not defined within ModelStruct

func FieldIsNestedStruct 

func FieldIsNestedStruct(s *StructField) bool

FieldIsNestedStruct checks if the field is a nested structure

func FieldIsNoFilter 

func FieldIsNoFilter(s *StructField) bool

FieldIsNoFilter checks wether the field uses no filter flag

func FieldIsOmitEmpty 

func FieldIsOmitEmpty(s *StructField) bool

FieldIsOmitEmpty checks wether the field uses OmitEmpty flag

func FieldIsPtr 

func FieldIsPtr(s *StructField) bool

FieldIsPtr checks if the field is a pointer

func FieldIsPtrTime 

func FieldIsPtrTime(s *StructField) bool

FieldIsPtrTime checks wether the field is a base ptr time flag

func FieldIsSlice 

func FieldIsSlice(s *StructField) bool

FieldIsSlice checks if the field is a slice based

func FieldIsSortable 

func FieldIsSortable(s *StructField) bool

FieldIsSortable checks if the field has a sortable flag

func FieldIsTime 

func FieldIsTime(s *StructField) bool

FieldIsTime checks wether the field uses time flag

func FieldIsZeroValue 

func FieldIsZeroValue(s *StructField, fieldValue interface{}) bool

FieldIsZeroValue checks if the provided field has Zero value.

func FieldSetFlag 

func FieldSetFlag(s *StructField, flag fieldFlag)

FieldSetFlag sets the provided flag for the structField

func FieldTagValues 

func FieldTagValues(s *StructField, tag string) url.Values

FieldTagValues gets field's tag values

func FieldsRelatedModelType 

func FieldsRelatedModelType(s *StructField) reflect.Type

FieldsRelatedModelType gets the relationship's model type Returns nil if the structfield is not a relationship

func FieldsSetNeuronName added in v0.2.1 

func FieldsSetNeuronName(s *StructField, neuronName string)

FieldsSetNeuronName sets the field's neuronName

func NestedStructFields 

func NestedStructFields(n *NestedStruct) map[string]*NestedField

NestedStructFields gets the nested struct fields

func NestedStructMarshalType 

func NestedStructMarshalType(n *NestedStruct) reflect.Type

NestedStructMarshalType returns the marshal type for the provided nested struct

func NestedStructSetMarshalType 

func NestedStructSetMarshalType(n *NestedStruct, mType reflect.Type)

NestedStructSetMarshalType sets the nested structs marshal type

func NestedStructSetSubfield 

func NestedStructSetSubfield(s *NestedStruct, n *NestedField)

NestedStructSetSubfield sets the subfield for the nestedStructr

func NestedStructType 

func NestedStructType(n *NestedStruct) reflect.Type

NestedStructType returns the reflect.Type of the nestedStruct

Types

type Collectioner 

type Collectioner interface {
	CollectionName() string
}

Collectioner is the interface used to get the collection name from the provided model.

type FieldKind 

type FieldKind int

FieldKind is an enum that defines the following field type (i.e. 'primary', 'attribute'). 

const (
	// UnknownType is the unsupported unknown type of the struct field.
	UnknownType FieldKind = iota

	// KindPrimary is a 'primary' field.
	KindPrimary

	// KindAttribute is an 'attribute' field.
	KindAttribute

	// KindClientID is id set by client.
	KindClientID

	// KindRelationshipSingle is a 'relationship' with single object.
	KindRelationshipSingle

	// KindRelationshipMultiple is a 'relationship' with multiple objects.
	KindRelationshipMultiple

	// KindForeignKey is the field type that is responsible for the relationships.
	KindForeignKey

	// KindFilterKey is the field that is used only for special case filtering.
	KindFilterKey

	// KindNested is the field that is nested within another structfield.
	KindNested
)

Enums for the field kind.

func (FieldKind) String 

func (f FieldKind) String() string

String implements fmt.Stringer interface.

type ModelMap 

type ModelMap struct {
	Configs map[string]*config.ModelConfig

	DefaultRepository string
	NamerFunc         namer.Namer
	// contains filtered or unexported fields
}

ModelMap contains mapped models ( as reflect.Type ) to its ModelStruct representation.

func NewModelMap 

func NewModelMap(namerFunc namer.Namer, c *config.Controller) *ModelMap

NewModelMap creates new model map with default 'namerFunc' and a controller config 'c'.

func (*ModelMap) ComputeNestedIncludedCount added in v0.2.1 

func (m *ModelMap) ComputeNestedIncludedCount(limit int)

ComputeNestedIncludedCount computes the limits for the nested included count for each model.

func (*ModelMap) Get 

func (m *ModelMap) Get(model reflect.Type) *ModelStruct

Get gets the *ModelStruct for the provided 'model'.

func (*ModelMap) GetByCollection 

func (m *ModelMap) GetByCollection(collection string) *ModelStruct

GetByCollection gets *ModelStruct by the 'collection'.

func (*ModelMap) GetModelStruct added in v0.2.1 

func (m *ModelMap) GetModelStruct(model interface{}) (*ModelStruct, error)

GetModelStruct gets the model from the model map.

func (*ModelMap) ModelByName added in v0.2.1 

func (m *ModelMap) ModelByName(name string) *ModelStruct

ModelByName gets the model by it's struct name.

func (*ModelMap) Models 

func (m *ModelMap) Models() []*ModelStruct

Models returns all models set within given model map.

func (*ModelMap) RegisterModels added in v0.2.1 

func (m *ModelMap) RegisterModels(models ...interface{}) error

RegisterModels registers the model within the model map container.

func (*ModelMap) Set 

func (m *ModelMap) Set(value *ModelStruct) error

Set sets the *ModelStruct for given map. If the model already exists the function returns an error.

func (*ModelMap) SetByCollection 

func (m *ModelMap) SetByCollection(ms *ModelStruct)

SetByCollection sets the model by it's collection.

type ModelStruct 

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

ModelStruct is a computed representation of the jsonapi models. Contain information about the model like the collection type, distinction of the field types (primary, attributes, relationships).

func FieldsRelatedModelStruct 

func FieldsRelatedModelStruct(s *StructField) *ModelStruct

FieldsRelatedModelStruct gets the ModelStruct of the field Type. Returns nil if the structField is not a relationship

func FieldsStruct 

func FieldsStruct(s *StructField) *ModelStruct

FieldsStruct returns field's modelStruct

func (*ModelStruct) AllowClientID 

func (m *ModelStruct) AllowClientID() bool

AllowClientID returns boolean if the client settable id is allowed.

func (*ModelStruct) Attribute 

func (m *ModelStruct) Attribute(field string) (*StructField, bool)

Attribute returns the attribute field for given string.

func (*ModelStruct) CheckField 

func (m *ModelStruct) CheckField(field string) (sField *StructField, err *errors.Error)

CheckField checks if the field exists within given modelstruct.

func (ModelStruct) Collection 

func (m ModelStruct) Collection() string

Collection returns model's collection name.

func (*ModelStruct) Config 

func (m *ModelStruct) Config() *config.ModelConfig

Config returns model's *config.ModelConfig.

func (*ModelStruct) FieldByName added in v0.2.1 

func (m *ModelStruct) FieldByName(name string) *StructField

FieldByName returns field for provided name. It matches both name and neuronName.

func (*ModelStruct) FieldCount 

func (m *ModelStruct) FieldCount() int

FieldCount gets the field number for given model.

func (*ModelStruct) Fields 

func (m *ModelStruct) Fields() []*StructField

Fields returns model's fields - relationships and attributes.

func (*ModelStruct) FilterKey 

func (m *ModelStruct) FilterKey(fk string) (*StructField, bool)

FilterKey return model's fitler key.

func (*ModelStruct) ForeignKey 

func (m *ModelStruct) ForeignKey(fk string) (*StructField, bool)

ForeignKey return model's foreign key.

func (*ModelStruct) ForeignKeys 

func (m *ModelStruct) ForeignKeys() (fks []*StructField)

ForeignKeys return ForeignKey Structfields for the given model.

func (*ModelStruct) HasForeignRelationships added in v0.2.1 

func (m *ModelStruct) HasForeignRelationships() bool

HasForeignRelationships defines if the model has any foreign relationships (not a BelongsTo relationship).

func (ModelStruct) ID 

func (m ModelStruct) ID() int

ID returns model structs identity number.

func (*ModelStruct) IsAfterLister 

func (m *ModelStruct) IsAfterLister() bool

IsAfterLister defines if the model implements query.AfterLister interface.

func (*ModelStruct) IsBeforeLister 

func (m *ModelStruct) IsBeforeLister() bool

IsBeforeLister defines if the model implements query.BeforeLister interface.

func (*ModelStruct) IsJoin added in v0.2.1 

func (m *ModelStruct) IsJoin() bool

IsJoin defines if the model is a join table for the Many2Many relationship.

func (*ModelStruct) LanguageField 

func (m *ModelStruct) LanguageField() *StructField

LanguageField returns model's language field.

func (*ModelStruct) MaxIncludedCount 

func (m *ModelStruct) MaxIncludedCount() int

MaxIncludedCount gets the maximum included field number prepared for given model.

func (*ModelStruct) NamerFunc added in v0.2.1 

func (m *ModelStruct) NamerFunc() namer.Namer

NamerFunc returns namer func for the given Model.

func (*ModelStruct) NewReflectValueMany 

func (m *ModelStruct) NewReflectValueMany() reflect.Value

NewReflectValueMany creates the *[]*m.Type reflect.Value.

func (*ModelStruct) NewReflectValueSingle 

func (m *ModelStruct) NewReflectValueSingle() reflect.Value

NewReflectValueSingle creates and returns a model's new single value.

func (*ModelStruct) NewValueMany 

func (m *ModelStruct) NewValueMany() interface{}

NewValueMany creates and returns a model's new slice of pointers to values.

func (*ModelStruct) NewValueSingle 

func (m *ModelStruct) NewValueSingle() interface{}

NewValueSingle creates and returns new value for the given model type.

func (*ModelStruct) PrimaryField 

func (m *ModelStruct) PrimaryField() *StructField

PrimaryField returns model's primary struct field

func (*ModelStruct) PrimaryValues 

func (m *ModelStruct) PrimaryValues(value reflect.Value) (primaries []interface{}, err error)

PrimaryValues gets the primary values for the provided value.

func (*ModelStruct) RelationshipField 

func (m *ModelStruct) RelationshipField(field string) (*StructField, bool)

RelationshipField returns the StructField for given raw field

func (*ModelStruct) RelationshipFields 

func (m *ModelStruct) RelationshipFields() (rels []*StructField)

RelationshipFields return structfields that are matched as relatinoships

func (*ModelStruct) RepositoryName 

func (m *ModelStruct) RepositoryName() string

RepositoryName returns the repository name for given model

func (*ModelStruct) SchemaName 

func (m *ModelStruct) SchemaName() string

SchemaName returns model's schema name

func (*ModelStruct) SetConfig 

func (m *ModelStruct) SetConfig(cfg *config.ModelConfig) error

SetConfig sets the config for given ModelStruct

func (*ModelStruct) SetRepositoryName 

func (m *ModelStruct) SetRepositoryName(repo string)

SetRepositoryName sets the repositoryName

func (*ModelStruct) SetSchemaName 

func (m *ModelStruct) SetSchemaName(schema string)

SetSchemaName sets the schema name for the given model

func (*ModelStruct) SortScopeCount 

func (m *ModelStruct) SortScopeCount() int

SortScopeCount returns the count of the sort fieldsb

func (*ModelStruct) StoreDelete 

func (m *ModelStruct) StoreDelete(key string)

StoreDelete deletes the store's value at key

func (*ModelStruct) StoreGet 

func (m *ModelStruct) StoreGet(key string) (interface{}, bool)

StoreGet gets the value from the store at the key: 'key'.

func (*ModelStruct) StoreSet 

func (m *ModelStruct) StoreSet(key string, value interface{})

StoreSet sets into the store the value 'value' for given 'key'

func (*ModelStruct) StructFields 

func (m *ModelStruct) StructFields() (fields []*StructField)

StructFields return all the StructFields used in the ModelStruct

func (ModelStruct) Type 

func (m ModelStruct) Type() reflect.Type

Type returns model's reflect.Type

func (ModelStruct) UseI18n 

func (m ModelStruct) UseI18n() bool

UseI18n returns the bool if the model struct uses i18n.

type NestedField 

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

NestedField is the field within the NestedStruct

func NestedStructSubField 

func NestedStructSubField(n *NestedStruct, field string) (*NestedField, bool)

NestedStructSubField returns the NestedStruct subfield if exists.

func NewNestedField 

func NewNestedField(
	root *NestedStruct,
	structFielder StructFielder,
	nField reflect.StructField,
) *NestedField

NewNestedField returns New NestedField

func (*NestedField) Self 

func (n *NestedField) Self() *StructField

Self is the relation to it's struct field

func (*NestedField) SelfNested 

func (n *NestedField) SelfNested() *NestedField

SelfNested returns the pointer to itself

func (*NestedField) StructField 

func (n *NestedField) StructField() *StructField

StructField returns the structField

type NestedStruct 

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

NestedStruct is the field StructField that is composed from different abstraction then the basic data types. It may contain multiple fields *NestedFields.

func FieldsNested 

func FieldsNested(s *StructField) *NestedStruct

FieldsNested gets NestedStruct in the field

func NestedFieldRoot 

func NestedFieldRoot(n *NestedField) *NestedStruct

NestedFieldRoot returns the root of the NestedField

func NewNestedStruct 

func NewNestedStruct(t reflect.Type, structField StructFielder) *NestedStruct

NewNestedStruct returns new nested structure

func (*NestedStruct) Attr 

func (n *NestedStruct) Attr() *StructField

Attr returns nested struct related attribute field

func (*NestedStruct) Fields 

func (n *NestedStruct) Fields() map[string]*NestedField

Fields return nested fields for the given structure

func (*NestedStruct) StructField 

func (n *NestedStruct) StructField() StructFielder

StructField returns nested structs related struct field

func (*NestedStruct) Type 

func (n *NestedStruct) Type() reflect.Type

Type returns nested struct's reflect.Type

type Relationship 

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

Relationship is the structure that contains the relation's required field's kind, join model (if exists) and the process option (onDelete, onUpdate) as well as the definition for the related model's type 'mStruct'.

func FieldRelationship 

func FieldRelationship(s *StructField) *Relationship

FieldRelationship returns the struct field relationship

func (*Relationship) ForeignKey 

func (r *Relationship) ForeignKey() *StructField

ForeignKey returns relationships foreign key.

func (Relationship) IsManyToMany 

func (r Relationship) IsManyToMany() bool

IsManyToMany defines if the relaitonship is of many to many type.

func (Relationship) IsToMany 

func (r Relationship) IsToMany() bool

IsToMany defines if the relationship is of to many kind.

func (Relationship) IsToOne 

func (r Relationship) IsToOne() bool

IsToOne defines if the relationship is of to one type.

func (*Relationship) JoinModel added in v0.2.1 

func (r *Relationship) JoinModel() *ModelStruct

JoinModel returns the join model for the given many2many relationship.

func (*Relationship) Kind 

func (r *Relationship) Kind() RelationshipKind

Kind returns relationship's kind.

func (*Relationship) ManyToManyForeignKey added in v0.2.1 

func (r *Relationship) ManyToManyForeignKey() *StructField

ManyToManyForeignKey returns the foreign key of the many2many related model's.

func (*Relationship) Struct 

func (r *Relationship) Struct() *ModelStruct

Struct returns relationship model *ModelStruct

type RelationshipKind 

type RelationshipKind int

RelationshipKind is the enum used to define the Relationship's kind. 

const (
	// RelUnknown is the unknown default relationship kind. States for the relationship internal errors.
	RelUnknown RelationshipKind = iota

	// RelBelongsTo is the enum value for the 'Belongs To' relationship.
	// This relationship kind states that the model containing the relationship field
	// contains also the foreign key of the related models.
	// The foreign key is a related model's primary field.
	RelBelongsTo

	// RelHasOne is the enum value for the 'Has One' relationship.
	// This relationship kind states that the model is in a one to one relationship with
	// the related model. It also states that the foreign key is located in the related model.
	RelHasOne

	// RelHasMany is the enum value for the 'Has Many' relationship.
	// This relationship kind states that the model is in a many to one relationship with the
	// related model. It also states that the foreign key is located in the related model.
	RelHasMany

	// RelMany2Many is the enum value for the 'Many To Many' relationship.
	// This relationship kind states that the model is in a many to many relationship with the
	// related model. This relationship requires the usage of the join model structure that contains
	// foreign keys of both related model types. The 'Relationship' struct foreign key should relate to the
	// model where the related field is stored - i.e. model 'user' has relationship field 'pets' to the model 'pet'
	// then the relationship pets foreign key should be a 'user id'. In order to get the foreign key of the related model
	// the relationship has also a field 'MtmForeignKey' which should be a 'pet id'.
	RelMany2Many
)

func (RelationshipKind) String 

func (r RelationshipKind) String() string

String implements fmt.Stringer interface.

type RelationshipOption 

type RelationshipOption int

RelationshipOption defines the option on how to process the relationship. 

const (
	Restrict RelationshipOption = iota
	NoAction
	Cascade
	SetNull
)

Relationship options TODO: prepare and define relationship options

type StructField 

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

StructField represents a field structure with its neuron parameters and model relationships.

func NestedFieldAttr 

func NestedFieldAttr(n *NestedField) *StructField

NestedFieldAttr returns nested Fields Attribute

func NestedStructAttr 

func NestedStructAttr(n *NestedStruct) *StructField

NestedStructAttr returns related attribute to the provided nested struct

func (*StructField) FieldIndex 

func (s *StructField) FieldIndex() []int

FieldIndex - gets the field index in the given model

func (*StructField) FieldKind 

func (s *StructField) FieldKind() FieldKind

FieldKind returns structFields kind

func (*StructField) FieldName 

func (s *StructField) FieldName() string

FieldName returns struct fields name

func (*StructField) FieldType 

func (s *StructField) FieldType() reflect.Type

FieldType returns field's reflect.Type

func (*StructField) GetDereferencedType 

func (s *StructField) GetDereferencedType() reflect.Type

GetDereferencedType returns structField dereferenced type

func (*StructField) IsArray 

func (s *StructField) IsArray() bool

IsArray checks if the field is an array

func (*StructField) IsBasePtr 

func (s *StructField) IsBasePtr() bool

IsBasePtr checks if the field has a pointer type in the base

func (*StructField) IsHidden 

func (s *StructField) IsHidden() bool

IsHidden checks if the field has a hidden flag

func (*StructField) IsI18n 

func (s *StructField) IsI18n() bool

IsI18n returns flag if the struct fields is an i18n field

func (*StructField) IsIso8601 

func (s *StructField) IsIso8601() bool

IsIso8601 checks wether the field uses FIso8601 flag

func (*StructField) IsLanguage 

func (s *StructField) IsLanguage() bool

IsLanguage checks wether the field is a language type field

func (*StructField) IsMap 

func (s *StructField) IsMap() bool

IsMap checks if the field has a fMap flag

func (*StructField) IsNestedStruct 

func (s *StructField) IsNestedStruct() bool

IsNestedStruct checks if the field is a nested structure

func (*StructField) IsOmitEmpty 

func (s *StructField) IsOmitEmpty() bool

IsOmitEmpty checks if the given field has a omitempty flag

func (*StructField) IsPrimary 

func (s *StructField) IsPrimary() bool

IsPrimary checks if the field is the primary field type

func (*StructField) IsPtr 

func (s *StructField) IsPtr() bool

IsPtr checks if the field is a pointer

func (*StructField) IsRelationship 

func (s *StructField) IsRelationship() bool

IsRelationship checks if given field is a relationship

func (*StructField) IsSlice 

func (s *StructField) IsSlice() bool

IsSlice checks if the field is a slice based

func (*StructField) IsTime 

func (s *StructField) IsTime() bool

IsTime checks wether the field uses time flag

func (*StructField) Name 

func (s *StructField) Name() string

Name returns the StructFields Golang Name

func (*StructField) Nested 

func (s *StructField) Nested() *NestedStruct

Nested returns nested field's structure

func (*StructField) NeuronName added in v0.2.1 

func (s *StructField) NeuronName() string

NeuronName returns the structFields NeuronName

func (*StructField) ReflectField 

func (s *StructField) ReflectField() reflect.StructField

ReflectField returns structs reflect.StructField

func (*StructField) Relationship 

func (s *StructField) Relationship() *Relationship

Relationship returns StructField's Relationships

func (*StructField) Self 

func (s *StructField) Self() *StructField

Self returns itself. Used in the nested fields. Implements Structfielder interface.

func (*StructField) SetRelatedModel 

func (s *StructField) SetRelatedModel(relModel *ModelStruct)

SetRelatedModel sets the related model for the given struct field

func (*StructField) SetRelationship 

func (s *StructField) SetRelationship(rel *Relationship)

SetRelationship sets the relationship value for the struct field

func (*StructField) StoreDelete 

func (s *StructField) StoreDelete(key string)

StoreDelete deletes the store value at 'key'

func (*StructField) StoreGet 

func (s *StructField) StoreGet(key string) (interface{}, bool)

StoreGet gets the value from the store at the key: 'key'.

func (*StructField) StoreSet 

func (s *StructField) StoreSet(key string, value interface{})

StoreSet sets into the store the value 'value' for given 'key'

func (*StructField) Struct 

func (s *StructField) Struct() *ModelStruct

Struct returns fields modelstruct

func (*StructField) TagValues 

func (s *StructField) TagValues(tag string) url.Values

TagValues returns the url.Values for the specific tag

type StructFielder 

type StructFielder interface {
	Self() *StructField
}

StructFielder is the interfaces used for getting the pointer to itself

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