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82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
// TODO: it would be nice to move these into the top level folder so people can use these with the "functions" package, eg: functions.ApiHandler
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package server
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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"github.com/treeder/functions/api"
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"github.com/treeder/functions/api/models"
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)
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type ApiHandlerFunc func(w http.ResponseWriter, r *http.Request)
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// ServeHTTP calls f(w, r).
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func (f ApiHandlerFunc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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f(w, r)
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}
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type ApiHandler interface {
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// Handle(ctx context.Context)
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ServeHTTP(w http.ResponseWriter, r *http.Request)
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}
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type ApiAppHandler interface {
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// Handle(ctx context.Context)
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ServeHTTP(w http.ResponseWriter, r *http.Request, app *models.App)
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}
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type ApiAppHandlerFunc func(w http.ResponseWriter, r *http.Request, app *models.App)
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// ServeHTTP calls f(w, r).
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func (f ApiAppHandlerFunc) ServeHTTP(w http.ResponseWriter, r *http.Request, app *models.App) {
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f(w, r, app)
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}
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func (s *Server) apiHandlerWrapperFunc(apiHandler ApiHandler) gin.HandlerFunc {
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return func(c *gin.Context) {
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apiHandler.ServeHTTP(c.Writer, c.Request)
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}
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}
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func (s *Server) apiAppHandlerWrapperFunc(apiHandler ApiAppHandler) gin.HandlerFunc {
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return func(c *gin.Context) {
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// get the app
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appName := c.Param(api.CApp)
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app, err := s.Datastore.GetApp(c.Request.Context(), appName)
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if err != nil {
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c.AbortWithError(http.StatusInternalServerError, err)
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return
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}
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if app == nil {
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c.AbortWithStatus(http.StatusNotFound)
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return
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}
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apiHandler.ServeHTTP(c.Writer, c.Request, app)
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}
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}
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// AddEndpoint adds an endpoint to /v1/x
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func (s *Server) AddEndpoint(method, path string, handler ApiHandler) {
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v1 := s.Router.Group("/v1")
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// v1.GET("/apps/:app/log", logHandler(cfg))
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v1.Handle(method, path, s.apiHandlerWrapperFunc(handler))
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}
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// AddEndpoint adds an endpoint to /v1/x
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func (s *Server) AddEndpointFunc(method, path string, handler func(w http.ResponseWriter, r *http.Request)) {
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s.AddEndpoint(method, path, ApiHandlerFunc(handler))
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}
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// AddAppEndpoint adds an endpoints to /v1/apps/:app/x
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func (s *Server) AddAppEndpoint(method, path string, handler ApiAppHandler) {
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v1 := s.Router.Group("/v1")
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v1.Handle(method, "/apps/:app"+path, s.apiAppHandlerWrapperFunc(handler))
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}
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// AddAppEndpoint adds an endpoints to /v1/apps/:app/x
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func (s *Server) AddAppEndpointFunc(method, path string, handler func(w http.ResponseWriter, r *http.Request, app *models.App)) {
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s.AddAppEndpoint(method, path, ApiAppHandlerFunc(handler))
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}
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