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92 lines
3.3 KiB
Go
92 lines
3.3 KiB
Go
package mvc
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import "github.com/kataras/iris/core/router"
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// Application is the high-level compoment of the "mvc" package.
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// It's the API that you will be using to register controllers among wih their
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// dependencies that your controllers may expecting.
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// It contains the Router(iris.Party) in order to be able to register
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// template layout, middleware, done handlers as you used with the
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// standard Iris APIBuilder.
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//
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// The Engine is created by the `New` method and it's the dependencies holder
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// and controllers factory.
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//
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// See `mvc#New` for more.
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type Application struct {
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Engine *Engine
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Router router.Party
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}
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func newApp(engine *Engine, subRouter router.Party) *Application {
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return &Application{
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Engine: engine,
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Router: subRouter,
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}
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}
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// New returns a new mvc Application based on a "party".
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// Application creates a new engine which is responsible for binding the dependencies
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// and creating and activating the app's controller(s).
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//
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// Example: `New(app.Party("/todo"))` or `New(app)` as it's the same as `New(app.Party("/"))`.
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func New(party router.Party) *Application {
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return newApp(NewEngine(), party)
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}
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// Configure can be used to pass one or more functions that accept this
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// Application, use this to add dependencies and controller(s).
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//
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// Example: `New(app.Party("/todo")).Configure(func(mvcApp *mvc.Application){...})`.
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func (app *Application) Configure(configurators ...func(*Application)) *Application {
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for _, c := range configurators {
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c(app)
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}
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return app
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}
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// AddDependencies adds one or more values as dependencies.
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// The value can be a single struct value-instance or a function
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// which has one input and one output, the input should be
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// an `iris.Context` and the output can be any type, that output type
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// will be binded to the controller's field, if matching or to the
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// controller's methods, if matching.
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//
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// The dependencies can be changed per-controller as well via a `beforeActivate`
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// on the `Register` method or when the controller has the `BeforeActivation(b BeforeActivation)`
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// method defined.
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//
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// It returns this Application.
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//
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// Example: `.AddDependencies(loggerService{prefix: "dev"}, func(ctx iris.Context) User {...})`.
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func (app *Application) AddDependencies(values ...interface{}) *Application {
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app.Engine.Dependencies.Add(values...)
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return app
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}
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// Register adds a controller for the current Router.
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// It accept any custom struct which its functions will be transformed
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// to routes.
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//
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// The second, optional and variadic argument is the "beforeActive",
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// use that when you want to modify the controller before the activation
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// and registration to the main Iris Application.
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//
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// It returns this Application.
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//
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// Example: `.Register(new(TodoController))`.
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func (app *Application) Register(controller interface{}, beforeActivate ...func(BeforeActivation)) *Application {
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app.Engine.Controller(app.Router, controller, beforeActivate...)
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return app
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}
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// NewChild creates and returns a new MVC Application which will be adapted
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// to the "party", it adopts
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// the parent's (current) dependencies, the "party" may be
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// a totally new router or a child path one via the parent's `.Router.Party`.
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//
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// Example: `.NewChild(irisApp.Party("/path")).Register(new(TodoSubController))`.
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func (app *Application) NewChild(party router.Party) *Application {
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return newApp(app.Engine.Clone(), party)
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}
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