79 lines
1.6 KiB
Go
79 lines
1.6 KiB
Go
package aicra
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import (
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"fmt"
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"io"
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"os"
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"git.xdrm.io/go/aicra/api"
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"git.xdrm.io/go/aicra/datatype"
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"git.xdrm.io/go/aicra/internal/config"
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)
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// Server represents an AICRA instance featuring: type checkers, services
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type Server struct {
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config *config.Server
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handlers []*api.Handler
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}
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// New creates a framework instance from a configuration file
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func New(configPath string, dtypes ...datatype.T) (*Server, error) {
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var (
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err error
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configFile io.ReadCloser
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)
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// 1. init instance
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var i = &Server{
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config: nil,
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handlers: make([]*api.Handler, 0),
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}
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// 2. open config file
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configFile, err = os.Open(configPath)
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if err != nil {
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return nil, err
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}
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defer configFile.Close()
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// 3. load configuration
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i.config, err = config.Parse(configFile, dtypes...)
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if err != nil {
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return nil, err
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}
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return i, nil
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}
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// HandleFunc sets a new handler for an HTTP method to a path
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func (s *Server) Handle(httpMethod, path string, fn api.HandlerFn) {
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handler, err := api.NewHandler(httpMethod, path, fn)
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if err != nil {
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panic(err)
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}
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s.handlers = append(s.handlers, handler)
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}
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// ToHTTPServer converts the server to a http server
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func (s Server) ToHTTPServer() (*httpServer, error) {
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// check if handlers are missing
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for _, service := range s.config.Services {
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found := false
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for _, handler := range s.handlers {
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if handler.GetMethod() == service.Method && handler.GetPath() == service.Pattern {
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found = true
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break
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}
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}
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if !found {
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return nil, fmt.Errorf("missing handler for %s '%s'", service.Method, service.Pattern)
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}
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}
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// 2. cast to http server
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httpServer := httpServer(s)
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return &httpServer, nil
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}
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