media_library

package module
v0.0.0-...-7c6ac54 Latest Latest
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 Go to latest Published: Oct 16, 2017 License: MIT Imports: 28 Imported by: 31

README

Media Library

Media Library is a Golang library that supports the upload of files/images to a filesystem or cloud storage. The Plugin includes cropping and resizing features for images.

GoDoc

Documentation

https://doc.getqor.com/plugins/media-library.html

License

Released under the MIT License.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func RegisterCallbacks 

func RegisterCallbacks(db *gorm.DB)

RegisterCallbacks register callback into GORM DB

func RegisterMediaHandler 

func RegisterMediaHandler(name string, handler MediaHandler)

RegisterMediaHandler register Media library handler

Types

type AssetManager 

type AssetManager struct {
	gorm.Model
	File FileSystem `media_library:"URL:/system/assets/{{primary_key}}/{{filename_with_hash}}"`
}

AssetManager defined a asset manager that could be used to manage assets in qor admin

func (*AssetManager) ConfigureQorResource 

func (*AssetManager) ConfigureQorResource(res resource.Resourcer)

ConfigureQorResource configure qor locale for Qor Admin

type Base 

type Base struct {
	FileName    string
	Url         string
	CropOptions map[string]*CropOption `json:",omitempty"`
	Delete      bool                   `json:",omitempty"`
	Crop        bool                   `json:"-"`
	FileHeader  FileHeader             `json:"-"`
	Reader      io.Reader              `json:"-"`
	// contains filtered or unexported fields
}

Base defined a base struct for storages

func (Base) ConfigureQorMetaBeforeInitialize 

func (Base) ConfigureQorMetaBeforeInitialize(meta resource.Metaor)

ConfigureQorMetaBeforeInitialize configure this field for Qor Admin

func (*Base) Cropped 

func (b *Base) Cropped(values ...bool) (result bool)

Cropped mark the image to be cropped

func (Base) Ext 

func (b Base) Ext() string

func (*Base) GetCropOption 

func (b *Base) GetCropOption(name string) *image.Rectangle

GetCropOption get crop options

func (Base) GetFileHeader 

func (b Base) GetFileHeader() FileHeader

GetFileHeader get file's header, this value only exists when saving files

func (Base) GetFileName 

func (b Base) GetFileName() string

GetFileName get file's name

func (Base) GetSizes 

func (b Base) GetSizes() map[string]*Size

GetSizes get configured sizes, it will be used to crop images accordingly

func (Base) GetURL 

func (b Base) GetURL(option *Option, scope *gorm.Scope, field *gorm.Field, templater URLTemplater) string

GetURL get default URL for a model based on its options

func (Base) GetURLTemplate 

func (b Base) GetURLTemplate(option *Option) (path string)

GetURLTemplate get url template

func (Base) IsImage 

func (b Base) IsImage() bool

IsImage return if it is an image

func (Base) IsVideo 

func (b Base) IsVideo() bool

func (*Base) NeedCrop 

func (b *Base) NeedCrop() bool

NeedCrop return the file needs to be cropped or not

func (Base) Retrieve 

func (b Base) Retrieve(url string) (*os.File, error)

Retrieve retrieve file content with url

func (*Base) Scan 

func (b *Base) Scan(data interface{}) (err error)

Scan scan files, crop options, db values into struct

func (Base) String 

func (b Base) String() string

String return file's url

func (Base) URL 

func (b Base) URL(styles ...string) string

URL return file's url with given style

func (Base) Value 

func (b Base) Value() (driver.Value, error)

Value return struct's Value

type CropOption 

type CropOption struct {
	X, Y, Width, Height int
}

CropOption includes crop options

type File 

type File struct {
	ID          json.Number
	Url         string
	Description string
}

func (File) IsImage 

func (file File) IsImage() bool

func (File) IsVideo 

func (file File) IsVideo() bool

func (File) URL 

func (file File) URL(styles ...string) string

type FileHeader 

type FileHeader interface {
	Open() (multipart.File, error)
}

FileHeader is an interface, for matched values, when call its `Open` method will return `multipart.File`

type FileSystem 

type FileSystem struct {
	Base
}

FileSystem defined a media library storage using file system

func (FileSystem) GetFullPath 

func (f FileSystem) GetFullPath(url string, option *Option) (path string, err error)

GetFullPath return full file path from a relative file path

func (FileSystem) Retrieve 

func (f FileSystem) Retrieve(url string) (*os.File, error)

Retrieve retrieve file content with url

func (FileSystem) Store 

func (f FileSystem) Store(name string, option *Option, reader io.Reader) (err error)

Store save reader's context with name

type Media 

type Media interface {
	Scan(value interface{}) error
	Value() (driver.Value, error)

	GetURLTemplate(*Option) string
	GetURL(option *Option, scope *gorm.Scope, field *gorm.Field, templater URLTemplater) string

	GetFileHeader() FileHeader
	GetFileName() string

	GetSizes() map[string]*Size
	NeedCrop() bool
	Cropped(values ...bool) bool
	GetCropOption(name string) *image.Rectangle

	Store(url string, option *Option, reader io.Reader) error
	Retrieve(url string) (*os.File, error)

	IsImage() bool

	URL(style ...string) string
	Ext() string
	String() string
}

MediaLibrary is an interface including methods that needs for a media library storage

type MediaBox 

type MediaBox struct {
	Values string `json:"-" gorm:"size:4294967295;"`
	Files  []File `json:",omitempty"`
}

func (MediaBox) ConfigureQorMeta 

func (mediaBox MediaBox) ConfigureQorMeta(metaor resource.Metaor)

func (MediaBox) Crop 

func (mediaBox MediaBox) Crop(res *admin.Resource, db *gorm.DB, mediaOption MediaOption) (err error)

func (*MediaBox) Scan 

func (mediaBox *MediaBox) Scan(data interface{}) (err error)

func (MediaBox) URL 

func (mediaBox MediaBox) URL(styles ...string) string

func (MediaBox) Value 

func (mediaBox MediaBox) Value() (driver.Value, error)

type MediaBoxConfig 

type MediaBoxConfig struct {
	RemoteDataResource *admin.Resource
	Sizes              map[string]*Size
	Max                uint
	admin.SelectManyConfig
}

MediaBoxConfig configure MediaBox metas

func (*MediaBoxConfig) ConfigureQorMeta 

func (*MediaBoxConfig) ConfigureQorMeta(resource.Metaor)

func (*MediaBoxConfig) GetTemplate 

func (*MediaBoxConfig) GetTemplate(context *admin.Context, metaType string) ([]byte, error)

type MediaHandler 

type MediaHandler interface {
	CouldHandle(media Media) bool
	Handle(media Media, file multipart.File, option *Option) error
}

MediaHandler media library handler interface, defined which files could be handled, and the handler

type MediaLibrary 

type MediaLibrary struct {
	gorm.Model
	SelectedType string
	File         MediaLibraryStorage `sql:"size:4294967295;" media_library:"url:/system/{{class}}/{{primary_key}}/{{column}}.{{extension}}"`
}

func (MediaLibrary) ConfigureQorResource 

func (MediaLibrary) ConfigureQorResource(res resource.Resourcer)

func (*MediaLibrary) GetMediaOption 

func (mediaLibrary *MediaLibrary) GetMediaOption() MediaOption

func (*MediaLibrary) GetSelectedType 

func (mediaLibrary *MediaLibrary) GetSelectedType() string

func (*MediaLibrary) ScanMediaOptions 

func (mediaLibrary *MediaLibrary) ScanMediaOptions(mediaOption MediaOption) error

func (*MediaLibrary) SetSelectedType 

func (mediaLibrary *MediaLibrary) SetSelectedType(typ string)

type MediaLibraryInterface 

type MediaLibraryInterface interface {
	ScanMediaOptions(MediaOption) error
	SetSelectedType(string)
	GetSelectedType() string
	GetMediaOption() MediaOption
}

type MediaLibraryStorage 

type MediaLibraryStorage struct {
	FileSystem
	Sizes        map[string]*Size `json:",omitempty"`
	Video        string
	SelectedType string
	Description  string
}

func (MediaLibraryStorage) ConfigureQorMeta 

func (mediaLibraryStorage MediaLibraryStorage) ConfigureQorMeta(metaor resource.Metaor)

func (MediaLibraryStorage) GetSizes 

func (mediaLibraryStorage MediaLibraryStorage) GetSizes() map[string]*Size

func (*MediaLibraryStorage) Scan 

func (mediaLibraryStorage *MediaLibraryStorage) Scan(data interface{}) (err error)

func (MediaLibraryStorage) Value 

func (mediaLibraryStorage MediaLibraryStorage) Value() (driver.Value, error)

type MediaOption 

type MediaOption struct {
	Video        string                 `json:",omitempty"`
	FileName     string                 `json:",omitempty"`
	URL          string                 `json:",omitempty"`
	OriginalURL  string                 `json:",omitempty"`
	CropOptions  map[string]*CropOption `json:",omitempty"`
	Sizes        map[string]*Size       `json:",omitempty"`
	SelectedType string                 `json:",omitempty"`
	Description  string                 `json:",omitempty"`
	Crop         bool
}

type Option 

type Option map[string]string

Option media library option

func (Option) Get 

func (option Option) Get(key string) string

Get used to get option with name

type Size 

type Size struct {
	Width  int
	Height int
}

Size is a struct, used for `GetSizes` method, it will return a slice of Size, media library will crop images automatically based on it

type URLTemplater 

type URLTemplater interface {
	GetURLTemplate(*Option) string
}

URLTemplater is a interface to return url template

Source Files

View all Source files

Directories

Path Synopsis
config
handlers
vips

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